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# Copyright (C) 2005-2010 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# TODO: Perhaps there should be an API to find out if bzr running under the
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# test suite -- some plugins might want to avoid making intrusive changes if
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# this is the case. However, we want behaviour under to test to diverge as
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# little as possible, so this should be used rarely if it's added at all.
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# (Suggestion from j-a-meinel, 2005-11-24)
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# NOTE: Some classes in here use camelCaseNaming() rather than
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# underscore_naming(). That's for consistency with unittest; it's not the
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# general style of bzrlib. Please continue that consistency when adding e.g.
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# new assertFoo() methods.
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from cStringIO import StringIO
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from pprint import pformat
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from subprocess import Popen, PIPE, STDOUT
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# nb: check this before importing anything else from within it
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_testtools_version = getattr(testtools, '__version__', ())
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if _testtools_version < (0, 9, 2):
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raise ImportError("need at least testtools 0.9.2: %s is %r"
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% (testtools.__file__, _testtools_version))
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from testtools import content
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import bzrlib.commands
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import bzrlib.timestamp
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import bzrlib.inventory
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import bzrlib.iterablefile
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# lsprof not available
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from bzrlib.merge import merge_inner
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from bzrlib.smart import client, request, server
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from bzrlib import symbol_versioning
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from bzrlib.symbol_versioning import (
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from bzrlib.transport import (
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import bzrlib.transport
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from bzrlib.trace import mutter, note
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from bzrlib.tests import (
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from bzrlib.tests.http_server import HttpServer
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from bzrlib.tests.TestUtil import (
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from bzrlib.tests.treeshape import build_tree_contents
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from bzrlib.ui import NullProgressView
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from bzrlib.ui.text import TextUIFactory
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import bzrlib.version_info_formats.format_custom
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from bzrlib.workingtree import WorkingTree, WorkingTreeFormat2
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# Mark this python module as being part of the implementation
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# of unittest: this gives us better tracebacks where the last
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# shown frame is the test code, not our assertXYZ.
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default_transport = test_server.LocalURLServer
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_unitialized_attr = object()
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"""A sentinel needed to act as a default value in a method signature."""
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# Subunit result codes, defined here to prevent a hard dependency on subunit.
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class ExtendedTestResult(unittest._TextTestResult):
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"""Accepts, reports and accumulates the results of running tests.
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Compared to the unittest version this class adds support for
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profiling, benchmarking, stopping as soon as a test fails, and
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skipping tests. There are further-specialized subclasses for
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different types of display.
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When a test finishes, in whatever way, it calls one of the addSuccess,
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addFailure or addError classes. These in turn may redirect to a more
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specific case for the special test results supported by our extended
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Note that just one of these objects is fed the results from many tests.
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def __init__(self, stream, descriptions, verbosity,
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"""Construct new TestResult.
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:param bench_history: Optionally, a writable file object to accumulate
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unittest._TextTestResult.__init__(self, stream, descriptions, verbosity)
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if bench_history is not None:
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from bzrlib.version import _get_bzr_source_tree
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src_tree = _get_bzr_source_tree()
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revision_id = src_tree.get_parent_ids()[0]
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# XXX: if this is a brand new tree, do the same as if there
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# XXX: If there's no branch, what should we do?
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bench_history.write("--date %s %s\n" % (time.time(), revision_id))
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self._bench_history = bench_history
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self.ui = ui.ui_factory
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self.failure_count = 0
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self.known_failure_count = 0
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self.not_applicable_count = 0
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self.unsupported = {}
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self._overall_start_time = time.time()
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self._strict = strict
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def stopTestRun(self):
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stopTime = time.time()
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timeTaken = stopTime - self.startTime
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self.stream.writeln(self.separator2)
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self.stream.writeln("%s %d test%s in %.3fs" % (actionTaken,
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run, run != 1 and "s" or "", timeTaken))
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self.stream.writeln()
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if not self.wasSuccessful():
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self.stream.write("FAILED (")
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failed, errored = map(len, (self.failures, self.errors))
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self.stream.write("failures=%d" % failed)
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if failed: self.stream.write(", ")
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self.stream.write("errors=%d" % errored)
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if self.known_failure_count:
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if failed or errored: self.stream.write(", ")
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self.stream.write("known_failure_count=%d" %
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self.known_failure_count)
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self.stream.writeln(")")
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if self.known_failure_count:
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self.stream.writeln("OK (known_failures=%d)" %
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self.known_failure_count)
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self.stream.writeln("OK")
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if self.skip_count > 0:
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skipped = self.skip_count
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self.stream.writeln('%d test%s skipped' %
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(skipped, skipped != 1 and "s" or ""))
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for feature, count in sorted(self.unsupported.items()):
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self.stream.writeln("Missing feature '%s' skipped %d tests." %
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ok = self.wasStrictlySuccessful()
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ok = self.wasSuccessful()
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if TestCase._first_thread_leaker_id:
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'%s is leaking threads among %d leaking tests.\n' % (
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TestCase._first_thread_leaker_id,
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TestCase._leaking_threads_tests))
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# We don't report the main thread as an active one.
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'%d non-main threads were left active in the end.\n'
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% (TestCase._active_threads - 1))
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def getDescription(self, test):
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def _extractBenchmarkTime(self, testCase, details=None):
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"""Add a benchmark time for the current test case."""
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if details and 'benchtime' in details:
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return float(''.join(details['benchtime'].iter_bytes()))
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return getattr(testCase, "_benchtime", None)
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def _elapsedTestTimeString(self):
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"""Return a time string for the overall time the current test has taken."""
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return self._formatTime(time.time() - self._start_time)
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def _testTimeString(self, testCase):
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benchmark_time = self._extractBenchmarkTime(testCase)
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if benchmark_time is not None:
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return self._formatTime(benchmark_time) + "*"
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return self._elapsedTestTimeString()
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def _formatTime(self, seconds):
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"""Format seconds as milliseconds with leading spaces."""
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# some benchmarks can take thousands of seconds to run, so we need 8
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return "%8dms" % (1000 * seconds)
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def _shortened_test_description(self, test):
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what = re.sub(r'^bzrlib\.(tests|benchmarks)\.', '', what)
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def startTest(self, test):
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unittest.TestResult.startTest(self, test)
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self.report_test_start(test)
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test.number = self.count
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self._recordTestStartTime()
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def startTests(self):
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if getattr(sys, 'frozen', None) is None:
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bzr_path = osutils.realpath(sys.argv[0])
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bzr_path = sys.executable
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'bzr selftest: %s\n' % (bzr_path,))
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bzrlib.__path__[0],))
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' bzr-%s python-%s %s\n' % (
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bzrlib.version_string,
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bzrlib._format_version_tuple(sys.version_info),
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platform.platform(aliased=1),
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self.stream.write('\n')
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def _recordTestStartTime(self):
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"""Record that a test has started."""
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self._start_time = time.time()
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def _cleanupLogFile(self, test):
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# We can only do this if we have one of our TestCases, not if
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setKeepLogfile = getattr(test, 'setKeepLogfile', None)
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if setKeepLogfile is not None:
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def addError(self, test, err):
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"""Tell result that test finished with an error.
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Called from the TestCase run() method when the test
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fails with an unexpected error.
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unittest.TestResult.addError(self, test, err)
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self.error_count += 1
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self.report_error(test, err)
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self._cleanupLogFile(test)
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def addFailure(self, test, err):
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"""Tell result that test failed.
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Called from the TestCase run() method when the test
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fails because e.g. an assert() method failed.
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unittest.TestResult.addFailure(self, test, err)
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self.failure_count += 1
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self.report_failure(test, err)
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self._cleanupLogFile(test)
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def addSuccess(self, test, details=None):
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"""Tell result that test completed successfully.
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Called from the TestCase run()
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if self._bench_history is not None:
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benchmark_time = self._extractBenchmarkTime(test, details)
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if benchmark_time is not None:
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self._bench_history.write("%s %s\n" % (
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self._formatTime(benchmark_time),
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self.report_success(test)
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self._cleanupLogFile(test)
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unittest.TestResult.addSuccess(self, test)
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test._log_contents = ''
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def addExpectedFailure(self, test, err):
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self.known_failure_count += 1
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self.report_known_failure(test, err)
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def addNotSupported(self, test, feature):
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"""The test will not be run because of a missing feature.
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# this can be called in two different ways: it may be that the
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# test started running, and then raised (through requireFeature)
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# UnavailableFeature. Alternatively this method can be called
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# while probing for features before running the test code proper; in
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# that case we will see startTest and stopTest, but the test will
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# never actually run.
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self.unsupported.setdefault(str(feature), 0)
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self.unsupported[str(feature)] += 1
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self.report_unsupported(test, feature)
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def addSkip(self, test, reason):
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"""A test has not run for 'reason'."""
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self.report_skip(test, reason)
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def addNotApplicable(self, test, reason):
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self.not_applicable_count += 1
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self.report_not_applicable(test, reason)
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def _post_mortem(self):
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"""Start a PDB post mortem session."""
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if os.environ.get('BZR_TEST_PDB', None):
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import pdb;pdb.post_mortem()
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def progress(self, offset, whence):
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"""The test is adjusting the count of tests to run."""
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if whence == SUBUNIT_SEEK_SET:
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self.num_tests = offset
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elif whence == SUBUNIT_SEEK_CUR:
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self.num_tests += offset
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raise errors.BzrError("Unknown whence %r" % whence)
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def report_cleaning_up(self):
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def startTestRun(self):
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self.startTime = time.time()
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def report_success(self, test):
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def wasStrictlySuccessful(self):
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if self.unsupported or self.known_failure_count:
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return self.wasSuccessful()
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class TextTestResult(ExtendedTestResult):
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"""Displays progress and results of tests in text form"""
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def __init__(self, stream, descriptions, verbosity,
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ExtendedTestResult.__init__(self, stream, descriptions, verbosity,
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bench_history, strict)
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# We no longer pass them around, but just rely on the UIFactory stack
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warnings.warn("Passing pb to TextTestResult is deprecated")
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self.pb = self.ui.nested_progress_bar()
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self.pb.show_pct = False
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self.pb.show_spinner = False
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self.pb.show_eta = False,
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self.pb.show_count = False
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self.pb.show_bar = False
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self.pb.update_latency = 0
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self.pb.show_transport_activity = False
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def stopTestRun(self):
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# called when the tests that are going to run have run
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super(TextTestResult, self).stopTestRun()
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def startTestRun(self):
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super(TextTestResult, self).startTestRun()
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self.pb.update('[test 0/%d] Starting' % (self.num_tests))
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def printErrors(self):
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# clear the pb to make room for the error listing
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super(TextTestResult, self).printErrors()
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def _progress_prefix_text(self):
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# the longer this text, the less space we have to show the test
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a = '[%d' % self.count # total that have been run
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# tests skipped as known not to be relevant are not important enough
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## if self.skip_count:
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## a += ', %d skip' % self.skip_count
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## if self.known_failure_count:
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## a += '+%dX' % self.known_failure_count
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a +='/%d' % self.num_tests
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runtime = time.time() - self._overall_start_time
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a += '%dm%ds' % (runtime / 60, runtime % 60)
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total_fail_count = self.error_count + self.failure_count
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a += ', %d failed' % total_fail_count
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# if self.unsupported:
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# a += ', %d missing' % len(self.unsupported)
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def report_test_start(self, test):
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self._progress_prefix_text()
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+ self._shortened_test_description(test))
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def _test_description(self, test):
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return self._shortened_test_description(test)
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def report_error(self, test, err):
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self.ui.note('ERROR: %s\n %s\n' % (
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self._test_description(test),
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def report_failure(self, test, err):
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self.ui.note('FAIL: %s\n %s\n' % (
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self._test_description(test),
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def report_known_failure(self, test, err):
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def report_skip(self, test, reason):
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def report_not_applicable(self, test, reason):
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def report_unsupported(self, test, feature):
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"""test cannot be run because feature is missing."""
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def report_cleaning_up(self):
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self.pb.update('Cleaning up')
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class VerboseTestResult(ExtendedTestResult):
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"""Produce long output, with one line per test run plus times"""
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def _ellipsize_to_right(self, a_string, final_width):
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"""Truncate and pad a string, keeping the right hand side"""
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if len(a_string) > final_width:
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result = '...' + a_string[3-final_width:]
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return result.ljust(final_width)
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def startTestRun(self):
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super(VerboseTestResult, self).startTestRun()
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self.stream.write('running %d tests...\n' % self.num_tests)
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def report_test_start(self, test):
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name = self._shortened_test_description(test)
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width = osutils.terminal_width()
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if width is not None:
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# width needs space for 6 char status, plus 1 for slash, plus an
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# 11-char time string, plus a trailing blank
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# when NUMBERED_DIRS: plus 5 chars on test number, plus 1 char on
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self.stream.write(self._ellipsize_to_right(name, width-18))
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self.stream.write(name)
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def _error_summary(self, err):
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return '%s%s' % (indent, err[1])
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def report_error(self, test, err):
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self.stream.writeln('ERROR %s\n%s'
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% (self._testTimeString(test),
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self._error_summary(err)))
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def report_failure(self, test, err):
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self.stream.writeln(' FAIL %s\n%s'
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% (self._testTimeString(test),
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self._error_summary(err)))
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def report_known_failure(self, test, err):
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self.stream.writeln('XFAIL %s\n%s'
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% (self._testTimeString(test),
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self._error_summary(err)))
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def report_success(self, test):
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self.stream.writeln(' OK %s' % self._testTimeString(test))
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for bench_called, stats in getattr(test, '_benchcalls', []):
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self.stream.writeln('LSProf output for %s(%s, %s)' % bench_called)
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stats.pprint(file=self.stream)
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# flush the stream so that we get smooth output. This verbose mode is
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# used to show the output in PQM.
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def report_skip(self, test, reason):
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self.stream.writeln(' SKIP %s\n%s'
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% (self._testTimeString(test), reason))
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def report_not_applicable(self, test, reason):
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self.stream.writeln(' N/A %s\n %s'
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% (self._testTimeString(test), reason))
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def report_unsupported(self, test, feature):
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"""test cannot be run because feature is missing."""
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self.stream.writeln("NODEP %s\n The feature '%s' is not available."
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%(self._testTimeString(test), feature))
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class TextTestRunner(object):
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stop_on_failure = False
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result_decorators=None,
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"""Create a TextTestRunner.
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:param result_decorators: An optional list of decorators to apply
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to the result object being used by the runner. Decorators are
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applied left to right - the first element in the list is the
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# stream may know claim to know to write unicode strings, but in older
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# pythons this goes sufficiently wrong that it is a bad idea. (
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# specifically a built in file with encoding 'UTF-8' will still try
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# to encode using ascii.
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new_encoding = osutils.get_terminal_encoding()
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codec = codecs.lookup(new_encoding)
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if type(codec) is tuple:
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encode = codec.encode
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stream = osutils.UnicodeOrBytesToBytesWriter(encode, stream)
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stream.encoding = new_encoding
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self.stream = unittest._WritelnDecorator(stream)
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self.descriptions = descriptions
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self.verbosity = verbosity
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self._bench_history = bench_history
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self._strict = strict
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self._result_decorators = result_decorators or []
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"Run the given test case or test suite."
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if self.verbosity == 1:
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result_class = TextTestResult
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elif self.verbosity >= 2:
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result_class = VerboseTestResult
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original_result = result_class(self.stream,
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bench_history=self._bench_history,
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# Signal to result objects that look at stop early policy to stop,
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original_result.stop_early = self.stop_on_failure
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result = original_result
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for decorator in self._result_decorators:
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result = decorator(result)
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result.stop_early = self.stop_on_failure
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result.startTestRun()
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# higher level code uses our extended protocol to determine
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# what exit code to give.
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return original_result
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def iter_suite_tests(suite):
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"""Return all tests in a suite, recursing through nested suites"""
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if isinstance(suite, unittest.TestCase):
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elif isinstance(suite, unittest.TestSuite):
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for r in iter_suite_tests(item):
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raise Exception('unknown type %r for object %r'
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% (type(suite), suite))
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TestSkipped = testtools.testcase.TestSkipped
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class TestNotApplicable(TestSkipped):
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"""A test is not applicable to the situation where it was run.
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This is only normally raised by parameterized tests, if they find that
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the instance they're constructed upon does not support one aspect
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# traceback._some_str fails to format exceptions that have the default
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# __str__ which does an implicit ascii conversion. However, repr() on those
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# objects works, for all that its not quite what the doctor may have ordered.
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def _clever_some_str(value):
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return repr(value).replace('\\n', '\n')
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return '<unprintable %s object>' % type(value).__name__
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traceback._some_str = _clever_some_str
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# deprecated - use self.knownFailure(), or self.expectFailure.
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KnownFailure = testtools.testcase._ExpectedFailure
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class UnavailableFeature(Exception):
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"""A feature required for this test was not available.
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This can be considered a specialised form of SkippedTest.
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The feature should be used to construct the exception.
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class StringIOWrapper(object):
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"""A wrapper around cStringIO which just adds an encoding attribute.
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Internally we can check sys.stdout to see what the output encoding
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should be. However, cStringIO has no encoding attribute that we can
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set. So we wrap it instead.
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def __init__(self, s=None):
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self.__dict__['_cstring'] = StringIO(s)
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self.__dict__['_cstring'] = StringIO()
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def __getattr__(self, name, getattr=getattr):
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return getattr(self.__dict__['_cstring'], name)
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def __setattr__(self, name, val):
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if name == 'encoding':
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self.__dict__['encoding'] = val
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return setattr(self._cstring, name, val)
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class TestUIFactory(TextUIFactory):
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"""A UI Factory for testing.
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Hide the progress bar but emit note()s.
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Allows get_password to be tested without real tty attached.
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See also CannedInputUIFactory which lets you provide programmatic input in
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# TODO: Capture progress events at the model level and allow them to be
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# observed by tests that care.
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# XXX: Should probably unify more with CannedInputUIFactory or a
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# particular configuration of TextUIFactory, or otherwise have a clearer
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# idea of how they're supposed to be different.
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# See https://bugs.edge.launchpad.net/bzr/+bug/408213
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def __init__(self, stdout=None, stderr=None, stdin=None):
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if stdin is not None:
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# We use a StringIOWrapper to be able to test various
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# encodings, but the user is still responsible to
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# encode the string and to set the encoding attribute
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# of StringIOWrapper.
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stdin = StringIOWrapper(stdin)
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super(TestUIFactory, self).__init__(stdin, stdout, stderr)
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def get_non_echoed_password(self):
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"""Get password from stdin without trying to handle the echo mode"""
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password = self.stdin.readline()
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if password[-1] == '\n':
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password = password[:-1]
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def make_progress_view(self):
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return NullProgressView()
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class TestCase(testtools.TestCase):
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"""Base class for bzr unit tests.
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Tests that need access to disk resources should subclass
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TestCaseInTempDir not TestCase.
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Error and debug log messages are redirected from their usual
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location into a temporary file, the contents of which can be
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retrieved by _get_log(). We use a real OS file, not an in-memory object,
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so that it can also capture file IO. When the test completes this file
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is read into memory and removed from disk.
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There are also convenience functions to invoke bzr's command-line
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routine, and to build and check bzr trees.
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In addition to the usual method of overriding tearDown(), this class also
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allows subclasses to register functions into the _cleanups list, which is
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run in order as the object is torn down. It's less likely this will be
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accidentally overlooked.
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_active_threads = None
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_leaking_threads_tests = 0
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_first_thread_leaker_id = None
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_log_file_name = None
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# record lsprof data when performing benchmark calls.
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_gather_lsprof_in_benchmarks = False
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def __init__(self, methodName='testMethod'):
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super(TestCase, self).__init__(methodName)
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self._directory_isolation = True
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self.exception_handlers.insert(0,
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(UnavailableFeature, self._do_unsupported_or_skip))
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self.exception_handlers.insert(0,
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(TestNotApplicable, self._do_not_applicable))
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super(TestCase, self).setUp()
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for feature in getattr(self, '_test_needs_features', []):
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self.requireFeature(feature)
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self._log_contents = None
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self.addDetail("log", content.Content(content.ContentType("text",
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"plain", {"charset": "utf8"}),
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lambda:[self._get_log(keep_log_file=True)]))
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self._cleanEnvironment()
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self._benchcalls = []
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self._benchtime = None
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self._track_transports()
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self._clear_debug_flags()
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TestCase._active_threads = threading.activeCount()
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self.addCleanup(self._check_leaked_threads)
835
pdb.Pdb().set_trace(sys._getframe().f_back)
837
def _check_leaked_threads(self):
838
active = threading.activeCount()
839
leaked_threads = active - TestCase._active_threads
840
TestCase._active_threads = active
841
# If some tests make the number of threads *decrease*, we'll consider
842
# that they are just observing old threads dieing, not agressively kill
843
# random threads. So we don't report these tests as leaking. The risk
844
# is that we have false positives that way (the test see 2 threads
845
# going away but leak one) but it seems less likely than the actual
846
# false positives (the test see threads going away and does not leak).
847
if leaked_threads > 0:
848
TestCase._leaking_threads_tests += 1
849
if TestCase._first_thread_leaker_id is None:
850
TestCase._first_thread_leaker_id = self.id()
852
def _clear_debug_flags(self):
853
"""Prevent externally set debug flags affecting tests.
855
Tests that want to use debug flags can just set them in the
856
debug_flags set during setup/teardown.
858
# Start with a copy of the current debug flags we can safely modify.
859
self.overrideAttr(debug, 'debug_flags', set(debug.debug_flags))
860
if 'allow_debug' not in selftest_debug_flags:
861
debug.debug_flags.clear()
862
if 'disable_lock_checks' not in selftest_debug_flags:
863
debug.debug_flags.add('strict_locks')
865
def _clear_hooks(self):
866
# prevent hooks affecting tests
867
self._preserved_hooks = {}
868
for key, factory in hooks.known_hooks.items():
869
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
870
current_hooks = hooks.known_hooks_key_to_object(key)
871
self._preserved_hooks[parent] = (name, current_hooks)
872
self.addCleanup(self._restoreHooks)
873
for key, factory in hooks.known_hooks.items():
874
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
875
setattr(parent, name, factory())
876
# this hook should always be installed
877
request._install_hook()
879
def disable_directory_isolation(self):
880
"""Turn off directory isolation checks."""
881
self._directory_isolation = False
883
def enable_directory_isolation(self):
884
"""Enable directory isolation checks."""
885
self._directory_isolation = True
887
def _silenceUI(self):
888
"""Turn off UI for duration of test"""
889
# by default the UI is off; tests can turn it on if they want it.
890
self.overrideAttr(ui, 'ui_factory', ui.SilentUIFactory())
892
def _check_locks(self):
893
"""Check that all lock take/release actions have been paired."""
894
# We always check for mismatched locks. If a mismatch is found, we
895
# fail unless -Edisable_lock_checks is supplied to selftest, in which
896
# case we just print a warning.
898
acquired_locks = [lock for action, lock in self._lock_actions
899
if action == 'acquired']
900
released_locks = [lock for action, lock in self._lock_actions
901
if action == 'released']
902
broken_locks = [lock for action, lock in self._lock_actions
903
if action == 'broken']
904
# trivially, given the tests for lock acquistion and release, if we
905
# have as many in each list, it should be ok. Some lock tests also
906
# break some locks on purpose and should be taken into account by
907
# considering that breaking a lock is just a dirty way of releasing it.
908
if len(acquired_locks) != (len(released_locks) + len(broken_locks)):
909
message = ('Different number of acquired and '
910
'released or broken locks. (%s, %s + %s)' %
911
(acquired_locks, released_locks, broken_locks))
912
if not self._lock_check_thorough:
913
# Rather than fail, just warn
914
print "Broken test %s: %s" % (self, message)
918
def _track_locks(self):
919
"""Track lock activity during tests."""
920
self._lock_actions = []
921
if 'disable_lock_checks' in selftest_debug_flags:
922
self._lock_check_thorough = False
924
self._lock_check_thorough = True
926
self.addCleanup(self._check_locks)
927
_mod_lock.Lock.hooks.install_named_hook('lock_acquired',
928
self._lock_acquired, None)
929
_mod_lock.Lock.hooks.install_named_hook('lock_released',
930
self._lock_released, None)
931
_mod_lock.Lock.hooks.install_named_hook('lock_broken',
932
self._lock_broken, None)
934
def _lock_acquired(self, result):
935
self._lock_actions.append(('acquired', result))
937
def _lock_released(self, result):
938
self._lock_actions.append(('released', result))
940
def _lock_broken(self, result):
941
self._lock_actions.append(('broken', result))
943
def permit_dir(self, name):
944
"""Permit a directory to be used by this test. See permit_url."""
945
name_transport = get_transport(name)
946
self.permit_url(name)
947
self.permit_url(name_transport.base)
949
def permit_url(self, url):
950
"""Declare that url is an ok url to use in this test.
952
Do this for memory transports, temporary test directory etc.
954
Do not do this for the current working directory, /tmp, or any other
955
preexisting non isolated url.
957
if not url.endswith('/'):
959
self._bzr_selftest_roots.append(url)
961
def permit_source_tree_branch_repo(self):
962
"""Permit the source tree bzr is running from to be opened.
964
Some code such as bzrlib.version attempts to read from the bzr branch
965
that bzr is executing from (if any). This method permits that directory
966
to be used in the test suite.
968
path = self.get_source_path()
969
self.record_directory_isolation()
972
workingtree.WorkingTree.open(path)
973
except (errors.NotBranchError, errors.NoWorkingTree):
976
self.enable_directory_isolation()
978
def _preopen_isolate_transport(self, transport):
979
"""Check that all transport openings are done in the test work area."""
980
while isinstance(transport, pathfilter.PathFilteringTransport):
981
# Unwrap pathfiltered transports
982
transport = transport.server.backing_transport.clone(
983
transport._filter('.'))
985
# ReadonlySmartTCPServer_for_testing decorates the backing transport
986
# urls it is given by prepending readonly+. This is appropriate as the
987
# client shouldn't know that the server is readonly (or not readonly).
988
# We could register all servers twice, with readonly+ prepending, but
989
# that makes for a long list; this is about the same but easier to
991
if url.startswith('readonly+'):
992
url = url[len('readonly+'):]
993
self._preopen_isolate_url(url)
995
def _preopen_isolate_url(self, url):
996
if not self._directory_isolation:
998
if self._directory_isolation == 'record':
999
self._bzr_selftest_roots.append(url)
1001
# This prevents all transports, including e.g. sftp ones backed on disk
1002
# from working unless they are explicitly granted permission. We then
1003
# depend on the code that sets up test transports to check that they are
1004
# appropriately isolated and enable their use by calling
1005
# self.permit_transport()
1006
if not osutils.is_inside_any(self._bzr_selftest_roots, url):
1007
raise errors.BzrError("Attempt to escape test isolation: %r %r"
1008
% (url, self._bzr_selftest_roots))
1010
def record_directory_isolation(self):
1011
"""Gather accessed directories to permit later access.
1013
This is used for tests that access the branch bzr is running from.
1015
self._directory_isolation = "record"
1017
def start_server(self, transport_server, backing_server=None):
1018
"""Start transport_server for this test.
1020
This starts the server, registers a cleanup for it and permits the
1021
server's urls to be used.
1023
if backing_server is None:
1024
transport_server.start_server()
1026
transport_server.start_server(backing_server)
1027
self.addCleanup(transport_server.stop_server)
1028
# Obtain a real transport because if the server supplies a password, it
1029
# will be hidden from the base on the client side.
1030
t = get_transport(transport_server.get_url())
1031
# Some transport servers effectively chroot the backing transport;
1032
# others like SFTPServer don't - users of the transport can walk up the
1033
# transport to read the entire backing transport. This wouldn't matter
1034
# except that the workdir tests are given - and that they expect the
1035
# server's url to point at - is one directory under the safety net. So
1036
# Branch operations into the transport will attempt to walk up one
1037
# directory. Chrooting all servers would avoid this but also mean that
1038
# we wouldn't be testing directly against non-root urls. Alternatively
1039
# getting the test framework to start the server with a backing server
1040
# at the actual safety net directory would work too, but this then
1041
# means that the self.get_url/self.get_transport methods would need
1042
# to transform all their results. On balance its cleaner to handle it
1043
# here, and permit a higher url when we have one of these transports.
1044
if t.base.endswith('/work/'):
1045
# we have safety net/test root/work
1046
t = t.clone('../..')
1047
elif isinstance(transport_server,
1048
test_server.SmartTCPServer_for_testing):
1049
# The smart server adds a path similar to work, which is traversed
1050
# up from by the client. But the server is chrooted - the actual
1051
# backing transport is not escaped from, and VFS requests to the
1052
# root will error (because they try to escape the chroot).
1054
while t2.base != t.base:
1057
self.permit_url(t.base)
1059
def _track_transports(self):
1060
"""Install checks for transport usage."""
1061
# TestCase has no safe place it can write to.
1062
self._bzr_selftest_roots = []
1063
# Currently the easiest way to be sure that nothing is going on is to
1064
# hook into bzr dir opening. This leaves a small window of error for
1065
# transport tests, but they are well known, and we can improve on this
1067
bzrdir.BzrDir.hooks.install_named_hook("pre_open",
1068
self._preopen_isolate_transport, "Check bzr directories are safe.")
1070
def _ndiff_strings(self, a, b):
1071
"""Return ndiff between two strings containing lines.
1073
A trailing newline is added if missing to make the strings
1075
if b and b[-1] != '\n':
1077
if a and a[-1] != '\n':
1079
difflines = difflib.ndiff(a.splitlines(True),
1081
linejunk=lambda x: False,
1082
charjunk=lambda x: False)
1083
return ''.join(difflines)
1085
def assertEqual(self, a, b, message=''):
1089
except UnicodeError, e:
1090
# If we can't compare without getting a UnicodeError, then
1091
# obviously they are different
1092
mutter('UnicodeError: %s', e)
1095
raise AssertionError("%snot equal:\na = %s\nb = %s\n"
1097
pformat(a), pformat(b)))
1099
assertEquals = assertEqual
1101
def assertEqualDiff(self, a, b, message=None):
1102
"""Assert two texts are equal, if not raise an exception.
1104
This is intended for use with multi-line strings where it can
1105
be hard to find the differences by eye.
1107
# TODO: perhaps override assertEquals to call this for strings?
1111
message = "texts not equal:\n"
1113
message = 'first string is missing a final newline.\n'
1115
message = 'second string is missing a final newline.\n'
1116
raise AssertionError(message +
1117
self._ndiff_strings(a, b))
1119
def assertEqualMode(self, mode, mode_test):
1120
self.assertEqual(mode, mode_test,
1121
'mode mismatch %o != %o' % (mode, mode_test))
1123
def assertEqualStat(self, expected, actual):
1124
"""assert that expected and actual are the same stat result.
1126
:param expected: A stat result.
1127
:param actual: A stat result.
1128
:raises AssertionError: If the expected and actual stat values differ
1129
other than by atime.
1131
self.assertEqual(expected.st_size, actual.st_size,
1132
'st_size did not match')
1133
self.assertEqual(expected.st_mtime, actual.st_mtime,
1134
'st_mtime did not match')
1135
self.assertEqual(expected.st_ctime, actual.st_ctime,
1136
'st_ctime did not match')
1137
if sys.platform != 'win32':
1138
# On Win32 both 'dev' and 'ino' cannot be trusted. In python2.4 it
1139
# is 'dev' that varies, in python 2.5 (6?) it is st_ino that is
1140
# odd. Regardless we shouldn't actually try to assert anything
1141
# about their values
1142
self.assertEqual(expected.st_dev, actual.st_dev,
1143
'st_dev did not match')
1144
self.assertEqual(expected.st_ino, actual.st_ino,
1145
'st_ino did not match')
1146
self.assertEqual(expected.st_mode, actual.st_mode,
1147
'st_mode did not match')
1149
def assertLength(self, length, obj_with_len):
1150
"""Assert that obj_with_len is of length length."""
1151
if len(obj_with_len) != length:
1152
self.fail("Incorrect length: wanted %d, got %d for %r" % (
1153
length, len(obj_with_len), obj_with_len))
1155
def assertLogsError(self, exception_class, func, *args, **kwargs):
1156
"""Assert that func(*args, **kwargs) quietly logs a specific exception.
1158
from bzrlib import trace
1160
orig_log_exception_quietly = trace.log_exception_quietly
1163
orig_log_exception_quietly()
1164
captured.append(sys.exc_info())
1165
trace.log_exception_quietly = capture
1166
func(*args, **kwargs)
1168
trace.log_exception_quietly = orig_log_exception_quietly
1169
self.assertLength(1, captured)
1170
err = captured[0][1]
1171
self.assertIsInstance(err, exception_class)
1174
def assertPositive(self, val):
1175
"""Assert that val is greater than 0."""
1176
self.assertTrue(val > 0, 'expected a positive value, but got %s' % val)
1178
def assertNegative(self, val):
1179
"""Assert that val is less than 0."""
1180
self.assertTrue(val < 0, 'expected a negative value, but got %s' % val)
1182
def assertStartsWith(self, s, prefix):
1183
if not s.startswith(prefix):
1184
raise AssertionError('string %r does not start with %r' % (s, prefix))
1186
def assertEndsWith(self, s, suffix):
1187
"""Asserts that s ends with suffix."""
1188
if not s.endswith(suffix):
1189
raise AssertionError('string %r does not end with %r' % (s, suffix))
1191
def assertContainsRe(self, haystack, needle_re, flags=0):
1192
"""Assert that a contains something matching a regular expression."""
1193
if not re.search(needle_re, haystack, flags):
1194
if '\n' in haystack or len(haystack) > 60:
1195
# a long string, format it in a more readable way
1196
raise AssertionError(
1197
'pattern "%s" not found in\n"""\\\n%s"""\n'
1198
% (needle_re, haystack))
1200
raise AssertionError('pattern "%s" not found in "%s"'
1201
% (needle_re, haystack))
1203
def assertNotContainsRe(self, haystack, needle_re, flags=0):
1204
"""Assert that a does not match a regular expression"""
1205
if re.search(needle_re, haystack, flags):
1206
raise AssertionError('pattern "%s" found in "%s"'
1207
% (needle_re, haystack))
1209
def assertContainsString(self, haystack, needle):
1210
if haystack.find(needle) == -1:
1211
self.fail("string %r not found in '''%s'''" % (needle, haystack))
1213
def assertSubset(self, sublist, superlist):
1214
"""Assert that every entry in sublist is present in superlist."""
1215
missing = set(sublist) - set(superlist)
1216
if len(missing) > 0:
1217
raise AssertionError("value(s) %r not present in container %r" %
1218
(missing, superlist))
1220
def assertListRaises(self, excClass, func, *args, **kwargs):
1221
"""Fail unless excClass is raised when the iterator from func is used.
1223
Many functions can return generators this makes sure
1224
to wrap them in a list() call to make sure the whole generator
1225
is run, and that the proper exception is raised.
1228
list(func(*args, **kwargs))
1232
if getattr(excClass,'__name__', None) is not None:
1233
excName = excClass.__name__
1235
excName = str(excClass)
1236
raise self.failureException, "%s not raised" % excName
1238
def assertRaises(self, excClass, callableObj, *args, **kwargs):
1239
"""Assert that a callable raises a particular exception.
1241
:param excClass: As for the except statement, this may be either an
1242
exception class, or a tuple of classes.
1243
:param callableObj: A callable, will be passed ``*args`` and
1246
Returns the exception so that you can examine it.
1249
callableObj(*args, **kwargs)
1253
if getattr(excClass,'__name__', None) is not None:
1254
excName = excClass.__name__
1257
excName = str(excClass)
1258
raise self.failureException, "%s not raised" % excName
1260
def assertIs(self, left, right, message=None):
1261
if not (left is right):
1262
if message is not None:
1263
raise AssertionError(message)
1265
raise AssertionError("%r is not %r." % (left, right))
1267
def assertIsNot(self, left, right, message=None):
1269
if message is not None:
1270
raise AssertionError(message)
1272
raise AssertionError("%r is %r." % (left, right))
1274
def assertTransportMode(self, transport, path, mode):
1275
"""Fail if a path does not have mode "mode".
1277
If modes are not supported on this transport, the assertion is ignored.
1279
if not transport._can_roundtrip_unix_modebits():
1281
path_stat = transport.stat(path)
1282
actual_mode = stat.S_IMODE(path_stat.st_mode)
1283
self.assertEqual(mode, actual_mode,
1284
'mode of %r incorrect (%s != %s)'
1285
% (path, oct(mode), oct(actual_mode)))
1287
def assertIsSameRealPath(self, path1, path2):
1288
"""Fail if path1 and path2 points to different files"""
1289
self.assertEqual(osutils.realpath(path1),
1290
osutils.realpath(path2),
1291
"apparent paths:\na = %s\nb = %s\n," % (path1, path2))
1293
def assertIsInstance(self, obj, kls, msg=None):
1294
"""Fail if obj is not an instance of kls
1296
:param msg: Supplementary message to show if the assertion fails.
1298
if not isinstance(obj, kls):
1299
m = "%r is an instance of %s rather than %s" % (
1300
obj, obj.__class__, kls)
1305
def assertFileEqual(self, content, path):
1306
"""Fail if path does not contain 'content'."""
1307
self.failUnlessExists(path)
1308
f = file(path, 'rb')
1313
self.assertEqualDiff(content, s)
1315
def failUnlessExists(self, path):
1316
"""Fail unless path or paths, which may be abs or relative, exist."""
1317
if not isinstance(path, basestring):
1319
self.failUnlessExists(p)
1321
self.failUnless(osutils.lexists(path),path+" does not exist")
1323
def failIfExists(self, path):
1324
"""Fail if path or paths, which may be abs or relative, exist."""
1325
if not isinstance(path, basestring):
1327
self.failIfExists(p)
1329
self.failIf(osutils.lexists(path),path+" exists")
1331
def _capture_deprecation_warnings(self, a_callable, *args, **kwargs):
1332
"""A helper for callDeprecated and applyDeprecated.
1334
:param a_callable: A callable to call.
1335
:param args: The positional arguments for the callable
1336
:param kwargs: The keyword arguments for the callable
1337
:return: A tuple (warnings, result). result is the result of calling
1338
a_callable(``*args``, ``**kwargs``).
1341
def capture_warnings(msg, cls=None, stacklevel=None):
1342
# we've hooked into a deprecation specific callpath,
1343
# only deprecations should getting sent via it.
1344
self.assertEqual(cls, DeprecationWarning)
1345
local_warnings.append(msg)
1346
original_warning_method = symbol_versioning.warn
1347
symbol_versioning.set_warning_method(capture_warnings)
1349
result = a_callable(*args, **kwargs)
1351
symbol_versioning.set_warning_method(original_warning_method)
1352
return (local_warnings, result)
1354
def applyDeprecated(self, deprecation_format, a_callable, *args, **kwargs):
1355
"""Call a deprecated callable without warning the user.
1357
Note that this only captures warnings raised by symbol_versioning.warn,
1358
not other callers that go direct to the warning module.
1360
To test that a deprecated method raises an error, do something like
1363
self.assertRaises(errors.ReservedId,
1364
self.applyDeprecated,
1365
deprecated_in((1, 5, 0)),
1369
:param deprecation_format: The deprecation format that the callable
1370
should have been deprecated with. This is the same type as the
1371
parameter to deprecated_method/deprecated_function. If the
1372
callable is not deprecated with this format, an assertion error
1374
:param a_callable: A callable to call. This may be a bound method or
1375
a regular function. It will be called with ``*args`` and
1377
:param args: The positional arguments for the callable
1378
:param kwargs: The keyword arguments for the callable
1379
:return: The result of a_callable(``*args``, ``**kwargs``)
1381
call_warnings, result = self._capture_deprecation_warnings(a_callable,
1383
expected_first_warning = symbol_versioning.deprecation_string(
1384
a_callable, deprecation_format)
1385
if len(call_warnings) == 0:
1386
self.fail("No deprecation warning generated by call to %s" %
1388
self.assertEqual(expected_first_warning, call_warnings[0])
1391
def callCatchWarnings(self, fn, *args, **kw):
1392
"""Call a callable that raises python warnings.
1394
The caller's responsible for examining the returned warnings.
1396
If the callable raises an exception, the exception is not
1397
caught and propagates up to the caller. In that case, the list
1398
of warnings is not available.
1400
:returns: ([warning_object, ...], fn_result)
1402
# XXX: This is not perfect, because it completely overrides the
1403
# warnings filters, and some code may depend on suppressing particular
1404
# warnings. It's the easiest way to insulate ourselves from -Werror,
1405
# though. -- Andrew, 20071062
1407
def _catcher(message, category, filename, lineno, file=None, line=None):
1408
# despite the name, 'message' is normally(?) a Warning subclass
1410
wlist.append(message)
1411
saved_showwarning = warnings.showwarning
1412
saved_filters = warnings.filters
1414
warnings.showwarning = _catcher
1415
warnings.filters = []
1416
result = fn(*args, **kw)
1418
warnings.showwarning = saved_showwarning
1419
warnings.filters = saved_filters
1420
return wlist, result
1422
def callDeprecated(self, expected, callable, *args, **kwargs):
1423
"""Assert that a callable is deprecated in a particular way.
1425
This is a very precise test for unusual requirements. The
1426
applyDeprecated helper function is probably more suited for most tests
1427
as it allows you to simply specify the deprecation format being used
1428
and will ensure that that is issued for the function being called.
1430
Note that this only captures warnings raised by symbol_versioning.warn,
1431
not other callers that go direct to the warning module. To catch
1432
general warnings, use callCatchWarnings.
1434
:param expected: a list of the deprecation warnings expected, in order
1435
:param callable: The callable to call
1436
:param args: The positional arguments for the callable
1437
:param kwargs: The keyword arguments for the callable
1439
call_warnings, result = self._capture_deprecation_warnings(callable,
1441
self.assertEqual(expected, call_warnings)
1444
def _startLogFile(self):
1445
"""Send bzr and test log messages to a temporary file.
1447
The file is removed as the test is torn down.
1449
fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
1450
self._log_file = os.fdopen(fileno, 'w+')
1451
self._log_memento = bzrlib.trace.push_log_file(self._log_file)
1452
self._log_file_name = name
1453
self.addCleanup(self._finishLogFile)
1455
def _finishLogFile(self):
1456
"""Finished with the log file.
1458
Close the file and delete it, unless setKeepLogfile was called.
1460
if bzrlib.trace._trace_file:
1461
# flush the log file, to get all content
1462
bzrlib.trace._trace_file.flush()
1463
bzrlib.trace.pop_log_file(self._log_memento)
1464
# Cache the log result and delete the file on disk
1465
self._get_log(False)
1467
def thisFailsStrictLockCheck(self):
1468
"""It is known that this test would fail with -Dstrict_locks.
1470
By default, all tests are run with strict lock checking unless
1471
-Edisable_lock_checks is supplied. However there are some tests which
1472
we know fail strict locks at this point that have not been fixed.
1473
They should call this function to disable the strict checking.
1475
This should be used sparingly, it is much better to fix the locking
1476
issues rather than papering over the problem by calling this function.
1478
debug.debug_flags.discard('strict_locks')
1480
def addCleanup(self, callable, *args, **kwargs):
1481
"""Arrange to run a callable when this case is torn down.
1483
Callables are run in the reverse of the order they are registered,
1484
ie last-in first-out.
1486
self._cleanups.append((callable, args, kwargs))
1488
def overrideAttr(self, obj, attr_name, new=_unitialized_attr):
1489
"""Overrides an object attribute restoring it after the test.
1491
:param obj: The object that will be mutated.
1493
:param attr_name: The attribute name we want to preserve/override in
1496
:param new: The optional value we want to set the attribute to.
1498
:returns: The actual attr value.
1500
value = getattr(obj, attr_name)
1501
# The actual value is captured by the call below
1502
self.addCleanup(setattr, obj, attr_name, value)
1503
if new is not _unitialized_attr:
1504
setattr(obj, attr_name, new)
1507
def _cleanEnvironment(self):
1509
'BZR_HOME': None, # Don't inherit BZR_HOME to all the tests.
1510
'HOME': os.getcwd(),
1511
# bzr now uses the Win32 API and doesn't rely on APPDATA, but the
1512
# tests do check our impls match APPDATA
1513
'BZR_EDITOR': None, # test_msgeditor manipulates this variable
1517
'BZREMAIL': None, # may still be present in the environment
1519
'BZR_PROGRESS_BAR': None,
1521
'BZR_PLUGIN_PATH': None,
1522
'BZR_DISABLE_PLUGINS': None,
1523
'BZR_CONCURRENCY': None,
1524
# Make sure that any text ui tests are consistent regardless of
1525
# the environment the test case is run in; you may want tests that
1526
# test other combinations. 'dumb' is a reasonable guess for tests
1527
# going to a pipe or a StringIO.
1531
'BZR_COLUMNS': '80',
1533
'SSH_AUTH_SOCK': None,
1537
'https_proxy': None,
1538
'HTTPS_PROXY': None,
1543
# Nobody cares about ftp_proxy, FTP_PROXY AFAIK. So far at
1544
# least. If you do (care), please update this comment
1548
'BZR_REMOTE_PATH': None,
1549
# Generally speaking, we don't want apport reporting on crashes in
1550
# the test envirnoment unless we're specifically testing apport,
1551
# so that it doesn't leak into the real system environment. We
1552
# use an env var so it propagates to subprocesses.
1553
'APPORT_DISABLE': '1',
1556
self.addCleanup(self._restoreEnvironment)
1557
for name, value in new_env.iteritems():
1558
self._captureVar(name, value)
1560
def _captureVar(self, name, newvalue):
1561
"""Set an environment variable, and reset it when finished."""
1562
self._old_env[name] = osutils.set_or_unset_env(name, newvalue)
1564
def _restoreEnvironment(self):
1565
for name, value in self._old_env.iteritems():
1566
osutils.set_or_unset_env(name, value)
1568
def _restoreHooks(self):
1569
for klass, (name, hooks) in self._preserved_hooks.items():
1570
setattr(klass, name, hooks)
1572
def knownFailure(self, reason):
1573
"""This test has failed for some known reason."""
1574
raise KnownFailure(reason)
1576
def _do_skip(self, result, reason):
1577
addSkip = getattr(result, 'addSkip', None)
1578
if not callable(addSkip):
1579
result.addSuccess(result)
1581
addSkip(self, reason)
1584
def _do_known_failure(self, result, e):
1585
err = sys.exc_info()
1586
addExpectedFailure = getattr(result, 'addExpectedFailure', None)
1587
if addExpectedFailure is not None:
1588
addExpectedFailure(self, err)
1590
result.addSuccess(self)
1593
def _do_not_applicable(self, result, e):
1595
reason = 'No reason given'
1598
addNotApplicable = getattr(result, 'addNotApplicable', None)
1599
if addNotApplicable is not None:
1600
result.addNotApplicable(self, reason)
1602
self._do_skip(result, reason)
1605
def _do_unsupported_or_skip(self, result, e):
1607
addNotSupported = getattr(result, 'addNotSupported', None)
1608
if addNotSupported is not None:
1609
result.addNotSupported(self, reason)
1611
self._do_skip(result, reason)
1613
def time(self, callable, *args, **kwargs):
1614
"""Run callable and accrue the time it takes to the benchmark time.
1616
If lsprofiling is enabled (i.e. by --lsprof-time to bzr selftest) then
1617
this will cause lsprofile statistics to be gathered and stored in
1620
if self._benchtime is None:
1621
self.addDetail('benchtime', content.Content(content.ContentType(
1622
"text", "plain"), lambda:[str(self._benchtime)]))
1626
if not self._gather_lsprof_in_benchmarks:
1627
return callable(*args, **kwargs)
1629
# record this benchmark
1630
ret, stats = bzrlib.lsprof.profile(callable, *args, **kwargs)
1632
self._benchcalls.append(((callable, args, kwargs), stats))
1635
self._benchtime += time.time() - start
1637
def log(self, *args):
1640
def _get_log(self, keep_log_file=False):
1641
"""Internal helper to get the log from bzrlib.trace for this test.
1643
Please use self.getDetails, or self.get_log to access this in test case
1646
:param keep_log_file: When True, if the log is still a file on disk
1647
leave it as a file on disk. When False, if the log is still a file
1648
on disk, the log file is deleted and the log preserved as
1650
:return: A string containing the log.
1652
if self._log_contents is not None:
1654
self._log_contents.decode('utf8')
1655
except UnicodeDecodeError:
1656
unicodestr = self._log_contents.decode('utf8', 'replace')
1657
self._log_contents = unicodestr.encode('utf8')
1658
return self._log_contents
1660
if bzrlib.trace._trace_file:
1661
# flush the log file, to get all content
1662
bzrlib.trace._trace_file.flush()
1663
if self._log_file_name is not None:
1664
logfile = open(self._log_file_name)
1666
log_contents = logfile.read()
1670
log_contents.decode('utf8')
1671
except UnicodeDecodeError:
1672
unicodestr = log_contents.decode('utf8', 'replace')
1673
log_contents = unicodestr.encode('utf8')
1674
if not keep_log_file:
1676
max_close_attempts = 100
1677
first_close_error = None
1678
while close_attempts < max_close_attempts:
1681
self._log_file.close()
1682
except IOError, ioe:
1683
if ioe.errno is None:
1684
# No errno implies 'close() called during
1685
# concurrent operation on the same file object', so
1686
# retry. Probably a thread is trying to write to
1688
if first_close_error is None:
1689
first_close_error = ioe
1694
if close_attempts > 1:
1696
'Unable to close log file on first attempt, '
1697
'will retry: %s\n' % (first_close_error,))
1698
if close_attempts == max_close_attempts:
1700
'Unable to close log file after %d attempts.\n'
1701
% (max_close_attempts,))
1702
self._log_file = None
1703
# Permit multiple calls to get_log until we clean it up in
1705
self._log_contents = log_contents
1707
os.remove(self._log_file_name)
1709
if sys.platform == 'win32' and e.errno == errno.EACCES:
1710
sys.stderr.write(('Unable to delete log file '
1711
' %r\n' % self._log_file_name))
1714
self._log_file_name = None
1717
return "No log file content and no log file name."
1720
"""Get a unicode string containing the log from bzrlib.trace.
1722
Undecodable characters are replaced.
1724
return u"".join(self.getDetails()['log'].iter_text())
1726
def requireFeature(self, feature):
1727
"""This test requires a specific feature is available.
1729
:raises UnavailableFeature: When feature is not available.
1731
if not feature.available():
1732
raise UnavailableFeature(feature)
1734
def _run_bzr_autosplit(self, args, retcode, encoding, stdin,
1736
"""Run bazaar command line, splitting up a string command line."""
1737
if isinstance(args, basestring):
1738
# shlex don't understand unicode strings,
1739
# so args should be plain string (bialix 20070906)
1740
args = list(shlex.split(str(args)))
1741
return self._run_bzr_core(args, retcode=retcode,
1742
encoding=encoding, stdin=stdin, working_dir=working_dir,
1745
def _run_bzr_core(self, args, retcode, encoding, stdin,
1747
# Clear chk_map page cache, because the contents are likely to mask
1749
chk_map.clear_cache()
1750
if encoding is None:
1751
encoding = osutils.get_user_encoding()
1752
stdout = StringIOWrapper()
1753
stderr = StringIOWrapper()
1754
stdout.encoding = encoding
1755
stderr.encoding = encoding
1757
self.log('run bzr: %r', args)
1758
# FIXME: don't call into logging here
1759
handler = logging.StreamHandler(stderr)
1760
handler.setLevel(logging.INFO)
1761
logger = logging.getLogger('')
1762
logger.addHandler(handler)
1763
old_ui_factory = ui.ui_factory
1764
ui.ui_factory = TestUIFactory(stdin=stdin, stdout=stdout, stderr=stderr)
1767
if working_dir is not None:
1768
cwd = osutils.getcwd()
1769
os.chdir(working_dir)
1773
result = self.apply_redirected(ui.ui_factory.stdin,
1775
bzrlib.commands.run_bzr_catch_user_errors,
1777
except KeyboardInterrupt:
1778
# Reraise KeyboardInterrupt with contents of redirected stdout
1779
# and stderr as arguments, for tests which are interested in
1780
# stdout and stderr and are expecting the exception.
1781
out = stdout.getvalue()
1782
err = stderr.getvalue()
1784
self.log('output:\n%r', out)
1786
self.log('errors:\n%r', err)
1787
raise KeyboardInterrupt(out, err)
1789
logger.removeHandler(handler)
1790
ui.ui_factory = old_ui_factory
1794
out = stdout.getvalue()
1795
err = stderr.getvalue()
1797
self.log('output:\n%r', out)
1799
self.log('errors:\n%r', err)
1800
if retcode is not None:
1801
self.assertEquals(retcode, result,
1802
message='Unexpected return code')
1803
return result, out, err
1805
def run_bzr(self, args, retcode=0, encoding=None, stdin=None,
1806
working_dir=None, error_regexes=[], output_encoding=None):
1807
"""Invoke bzr, as if it were run from the command line.
1809
The argument list should not include the bzr program name - the
1810
first argument is normally the bzr command. Arguments may be
1811
passed in three ways:
1813
1- A list of strings, eg ["commit", "a"]. This is recommended
1814
when the command contains whitespace or metacharacters, or
1815
is built up at run time.
1817
2- A single string, eg "add a". This is the most convenient
1818
for hardcoded commands.
1820
This runs bzr through the interface that catches and reports
1821
errors, and with logging set to something approximating the
1822
default, so that error reporting can be checked.
1824
This should be the main method for tests that want to exercise the
1825
overall behavior of the bzr application (rather than a unit test
1826
or a functional test of the library.)
1828
This sends the stdout/stderr results into the test's log,
1829
where it may be useful for debugging. See also run_captured.
1831
:keyword stdin: A string to be used as stdin for the command.
1832
:keyword retcode: The status code the command should return;
1834
:keyword working_dir: The directory to run the command in
1835
:keyword error_regexes: A list of expected error messages. If
1836
specified they must be seen in the error output of the command.
1838
retcode, out, err = self._run_bzr_autosplit(
1843
working_dir=working_dir,
1845
self.assertIsInstance(error_regexes, (list, tuple))
1846
for regex in error_regexes:
1847
self.assertContainsRe(err, regex)
1850
def run_bzr_error(self, error_regexes, *args, **kwargs):
1851
"""Run bzr, and check that stderr contains the supplied regexes
1853
:param error_regexes: Sequence of regular expressions which
1854
must each be found in the error output. The relative ordering
1856
:param args: command-line arguments for bzr
1857
:param kwargs: Keyword arguments which are interpreted by run_bzr
1858
This function changes the default value of retcode to be 3,
1859
since in most cases this is run when you expect bzr to fail.
1861
:return: (out, err) The actual output of running the command (in case
1862
you want to do more inspection)
1866
# Make sure that commit is failing because there is nothing to do
1867
self.run_bzr_error(['no changes to commit'],
1868
['commit', '-m', 'my commit comment'])
1869
# Make sure --strict is handling an unknown file, rather than
1870
# giving us the 'nothing to do' error
1871
self.build_tree(['unknown'])
1872
self.run_bzr_error(['Commit refused because there are unknown files'],
1873
['commit', --strict', '-m', 'my commit comment'])
1875
kwargs.setdefault('retcode', 3)
1876
kwargs['error_regexes'] = error_regexes
1877
out, err = self.run_bzr(*args, **kwargs)
1880
def run_bzr_subprocess(self, *args, **kwargs):
1881
"""Run bzr in a subprocess for testing.
1883
This starts a new Python interpreter and runs bzr in there.
1884
This should only be used for tests that have a justifiable need for
1885
this isolation: e.g. they are testing startup time, or signal
1886
handling, or early startup code, etc. Subprocess code can't be
1887
profiled or debugged so easily.
1889
:keyword retcode: The status code that is expected. Defaults to 0. If
1890
None is supplied, the status code is not checked.
1891
:keyword env_changes: A dictionary which lists changes to environment
1892
variables. A value of None will unset the env variable.
1893
The values must be strings. The change will only occur in the
1894
child, so you don't need to fix the environment after running.
1895
:keyword universal_newlines: Convert CRLF => LF
1896
:keyword allow_plugins: By default the subprocess is run with
1897
--no-plugins to ensure test reproducibility. Also, it is possible
1898
for system-wide plugins to create unexpected output on stderr,
1899
which can cause unnecessary test failures.
1901
env_changes = kwargs.get('env_changes', {})
1902
working_dir = kwargs.get('working_dir', None)
1903
allow_plugins = kwargs.get('allow_plugins', False)
1905
if isinstance(args[0], list):
1907
elif isinstance(args[0], basestring):
1908
args = list(shlex.split(args[0]))
1910
raise ValueError("passing varargs to run_bzr_subprocess")
1911
process = self.start_bzr_subprocess(args, env_changes=env_changes,
1912
working_dir=working_dir,
1913
allow_plugins=allow_plugins)
1914
# We distinguish between retcode=None and retcode not passed.
1915
supplied_retcode = kwargs.get('retcode', 0)
1916
return self.finish_bzr_subprocess(process, retcode=supplied_retcode,
1917
universal_newlines=kwargs.get('universal_newlines', False),
1920
def start_bzr_subprocess(self, process_args, env_changes=None,
1921
skip_if_plan_to_signal=False,
1923
allow_plugins=False):
1924
"""Start bzr in a subprocess for testing.
1926
This starts a new Python interpreter and runs bzr in there.
1927
This should only be used for tests that have a justifiable need for
1928
this isolation: e.g. they are testing startup time, or signal
1929
handling, or early startup code, etc. Subprocess code can't be
1930
profiled or debugged so easily.
1932
:param process_args: a list of arguments to pass to the bzr executable,
1933
for example ``['--version']``.
1934
:param env_changes: A dictionary which lists changes to environment
1935
variables. A value of None will unset the env variable.
1936
The values must be strings. The change will only occur in the
1937
child, so you don't need to fix the environment after running.
1938
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
1940
:param allow_plugins: If False (default) pass --no-plugins to bzr.
1942
:returns: Popen object for the started process.
1944
if skip_if_plan_to_signal:
1945
if not getattr(os, 'kill', None):
1946
raise TestSkipped("os.kill not available.")
1948
if env_changes is None:
1952
def cleanup_environment():
1953
for env_var, value in env_changes.iteritems():
1954
old_env[env_var] = osutils.set_or_unset_env(env_var, value)
1956
def restore_environment():
1957
for env_var, value in old_env.iteritems():
1958
osutils.set_or_unset_env(env_var, value)
1960
bzr_path = self.get_bzr_path()
1963
if working_dir is not None:
1964
cwd = osutils.getcwd()
1965
os.chdir(working_dir)
1968
# win32 subprocess doesn't support preexec_fn
1969
# so we will avoid using it on all platforms, just to
1970
# make sure the code path is used, and we don't break on win32
1971
cleanup_environment()
1972
command = [sys.executable]
1973
# frozen executables don't need the path to bzr
1974
if getattr(sys, "frozen", None) is None:
1975
command.append(bzr_path)
1976
if not allow_plugins:
1977
command.append('--no-plugins')
1978
command.extend(process_args)
1979
process = self._popen(command, stdin=PIPE, stdout=PIPE, stderr=PIPE)
1981
restore_environment()
1987
def _popen(self, *args, **kwargs):
1988
"""Place a call to Popen.
1990
Allows tests to override this method to intercept the calls made to
1991
Popen for introspection.
1993
return Popen(*args, **kwargs)
1995
def get_source_path(self):
1996
"""Return the path of the directory containing bzrlib."""
1997
return os.path.dirname(os.path.dirname(bzrlib.__file__))
1999
def get_bzr_path(self):
2000
"""Return the path of the 'bzr' executable for this test suite."""
2001
bzr_path = self.get_source_path()+'/bzr'
2002
if not os.path.isfile(bzr_path):
2003
# We are probably installed. Assume sys.argv is the right file
2004
bzr_path = sys.argv[0]
2007
def finish_bzr_subprocess(self, process, retcode=0, send_signal=None,
2008
universal_newlines=False, process_args=None):
2009
"""Finish the execution of process.
2011
:param process: the Popen object returned from start_bzr_subprocess.
2012
:param retcode: The status code that is expected. Defaults to 0. If
2013
None is supplied, the status code is not checked.
2014
:param send_signal: an optional signal to send to the process.
2015
:param universal_newlines: Convert CRLF => LF
2016
:returns: (stdout, stderr)
2018
if send_signal is not None:
2019
os.kill(process.pid, send_signal)
2020
out, err = process.communicate()
2022
if universal_newlines:
2023
out = out.replace('\r\n', '\n')
2024
err = err.replace('\r\n', '\n')
2026
if retcode is not None and retcode != process.returncode:
2027
if process_args is None:
2028
process_args = "(unknown args)"
2029
mutter('Output of bzr %s:\n%s', process_args, out)
2030
mutter('Error for bzr %s:\n%s', process_args, err)
2031
self.fail('Command bzr %s failed with retcode %s != %s'
2032
% (process_args, retcode, process.returncode))
2035
def check_inventory_shape(self, inv, shape):
2036
"""Compare an inventory to a list of expected names.
2038
Fail if they are not precisely equal.
2041
shape = list(shape) # copy
2042
for path, ie in inv.entries():
2043
name = path.replace('\\', '/')
2044
if ie.kind == 'directory':
2051
self.fail("expected paths not found in inventory: %r" % shape)
2053
self.fail("unexpected paths found in inventory: %r" % extras)
2055
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
2056
a_callable=None, *args, **kwargs):
2057
"""Call callable with redirected std io pipes.
2059
Returns the return code."""
2060
if not callable(a_callable):
2061
raise ValueError("a_callable must be callable.")
2063
stdin = StringIO("")
2065
if getattr(self, "_log_file", None) is not None:
2066
stdout = self._log_file
2070
if getattr(self, "_log_file", None is not None):
2071
stderr = self._log_file
2074
real_stdin = sys.stdin
2075
real_stdout = sys.stdout
2076
real_stderr = sys.stderr
2081
return a_callable(*args, **kwargs)
2083
sys.stdout = real_stdout
2084
sys.stderr = real_stderr
2085
sys.stdin = real_stdin
2087
def reduceLockdirTimeout(self):
2088
"""Reduce the default lock timeout for the duration of the test, so that
2089
if LockContention occurs during a test, it does so quickly.
2091
Tests that expect to provoke LockContention errors should call this.
2093
self.overrideAttr(bzrlib.lockdir, '_DEFAULT_TIMEOUT_SECONDS', 0)
2095
def make_utf8_encoded_stringio(self, encoding_type=None):
2096
"""Return a StringIOWrapper instance, that will encode Unicode
2099
if encoding_type is None:
2100
encoding_type = 'strict'
2102
output_encoding = 'utf-8'
2103
sio = codecs.getwriter(output_encoding)(sio, errors=encoding_type)
2104
sio.encoding = output_encoding
2107
def disable_verb(self, verb):
2108
"""Disable a smart server verb for one test."""
2109
from bzrlib.smart import request
2110
request_handlers = request.request_handlers
2111
orig_method = request_handlers.get(verb)
2112
request_handlers.remove(verb)
2113
self.addCleanup(request_handlers.register, verb, orig_method)
2116
class CapturedCall(object):
2117
"""A helper for capturing smart server calls for easy debug analysis."""
2119
def __init__(self, params, prefix_length):
2120
"""Capture the call with params and skip prefix_length stack frames."""
2123
# The last 5 frames are the __init__, the hook frame, and 3 smart
2124
# client frames. Beyond this we could get more clever, but this is good
2126
stack = traceback.extract_stack()[prefix_length:-5]
2127
self.stack = ''.join(traceback.format_list(stack))
2130
return self.call.method
2133
return self.call.method
2139
class TestCaseWithMemoryTransport(TestCase):
2140
"""Common test class for tests that do not need disk resources.
2142
Tests that need disk resources should derive from TestCaseWithTransport.
2144
TestCaseWithMemoryTransport sets the TEST_ROOT variable for all bzr tests.
2146
For TestCaseWithMemoryTransport the test_home_dir is set to the name of
2147
a directory which does not exist. This serves to help ensure test isolation
2148
is preserved. test_dir is set to the TEST_ROOT, as is cwd, because they
2149
must exist. However, TestCaseWithMemoryTransport does not offer local
2150
file defaults for the transport in tests, nor does it obey the command line
2151
override, so tests that accidentally write to the common directory should
2154
:cvar TEST_ROOT: Directory containing all temporary directories, plus
2155
a .bzr directory that stops us ascending higher into the filesystem.
2161
def __init__(self, methodName='runTest'):
2162
# allow test parameterization after test construction and before test
2163
# execution. Variables that the parameterizer sets need to be
2164
# ones that are not set by setUp, or setUp will trash them.
2165
super(TestCaseWithMemoryTransport, self).__init__(methodName)
2166
self.vfs_transport_factory = default_transport
2167
self.transport_server = None
2168
self.transport_readonly_server = None
2169
self.__vfs_server = None
2171
def get_transport(self, relpath=None):
2172
"""Return a writeable transport.
2174
This transport is for the test scratch space relative to
2177
:param relpath: a path relative to the base url.
2179
t = get_transport(self.get_url(relpath))
2180
self.assertFalse(t.is_readonly())
2183
def get_readonly_transport(self, relpath=None):
2184
"""Return a readonly transport for the test scratch space
2186
This can be used to test that operations which should only need
2187
readonly access in fact do not try to write.
2189
:param relpath: a path relative to the base url.
2191
t = get_transport(self.get_readonly_url(relpath))
2192
self.assertTrue(t.is_readonly())
2195
def create_transport_readonly_server(self):
2196
"""Create a transport server from class defined at init.
2198
This is mostly a hook for daughter classes.
2200
return self.transport_readonly_server()
2202
def get_readonly_server(self):
2203
"""Get the server instance for the readonly transport
2205
This is useful for some tests with specific servers to do diagnostics.
2207
if self.__readonly_server is None:
2208
if self.transport_readonly_server is None:
2209
# readonly decorator requested
2210
self.__readonly_server = test_server.ReadonlyServer()
2212
# explicit readonly transport.
2213
self.__readonly_server = self.create_transport_readonly_server()
2214
self.start_server(self.__readonly_server,
2215
self.get_vfs_only_server())
2216
return self.__readonly_server
2218
def get_readonly_url(self, relpath=None):
2219
"""Get a URL for the readonly transport.
2221
This will either be backed by '.' or a decorator to the transport
2222
used by self.get_url()
2223
relpath provides for clients to get a path relative to the base url.
2224
These should only be downwards relative, not upwards.
2226
base = self.get_readonly_server().get_url()
2227
return self._adjust_url(base, relpath)
2229
def get_vfs_only_server(self):
2230
"""Get the vfs only read/write server instance.
2232
This is useful for some tests with specific servers that need
2235
For TestCaseWithMemoryTransport this is always a MemoryServer, and there
2236
is no means to override it.
2238
if self.__vfs_server is None:
2239
self.__vfs_server = memory.MemoryServer()
2240
self.start_server(self.__vfs_server)
2241
return self.__vfs_server
2243
def get_server(self):
2244
"""Get the read/write server instance.
2246
This is useful for some tests with specific servers that need
2249
This is built from the self.transport_server factory. If that is None,
2250
then the self.get_vfs_server is returned.
2252
if self.__server is None:
2253
if (self.transport_server is None or self.transport_server is
2254
self.vfs_transport_factory):
2255
self.__server = self.get_vfs_only_server()
2257
# bring up a decorated means of access to the vfs only server.
2258
self.__server = self.transport_server()
2259
self.start_server(self.__server, self.get_vfs_only_server())
2260
return self.__server
2262
def _adjust_url(self, base, relpath):
2263
"""Get a URL (or maybe a path) for the readwrite transport.
2265
This will either be backed by '.' or to an equivalent non-file based
2267
relpath provides for clients to get a path relative to the base url.
2268
These should only be downwards relative, not upwards.
2270
if relpath is not None and relpath != '.':
2271
if not base.endswith('/'):
2273
# XXX: Really base should be a url; we did after all call
2274
# get_url()! But sometimes it's just a path (from
2275
# LocalAbspathServer), and it'd be wrong to append urlescaped data
2276
# to a non-escaped local path.
2277
if base.startswith('./') or base.startswith('/'):
2280
base += urlutils.escape(relpath)
2283
def get_url(self, relpath=None):
2284
"""Get a URL (or maybe a path) for the readwrite transport.
2286
This will either be backed by '.' or to an equivalent non-file based
2288
relpath provides for clients to get a path relative to the base url.
2289
These should only be downwards relative, not upwards.
2291
base = self.get_server().get_url()
2292
return self._adjust_url(base, relpath)
2294
def get_vfs_only_url(self, relpath=None):
2295
"""Get a URL (or maybe a path for the plain old vfs transport.
2297
This will never be a smart protocol. It always has all the
2298
capabilities of the local filesystem, but it might actually be a
2299
MemoryTransport or some other similar virtual filesystem.
2301
This is the backing transport (if any) of the server returned by
2302
get_url and get_readonly_url.
2304
:param relpath: provides for clients to get a path relative to the base
2305
url. These should only be downwards relative, not upwards.
2308
base = self.get_vfs_only_server().get_url()
2309
return self._adjust_url(base, relpath)
2311
def _create_safety_net(self):
2312
"""Make a fake bzr directory.
2314
This prevents any tests propagating up onto the TEST_ROOT directory's
2317
root = TestCaseWithMemoryTransport.TEST_ROOT
2318
bzrdir.BzrDir.create_standalone_workingtree(root)
2320
def _check_safety_net(self):
2321
"""Check that the safety .bzr directory have not been touched.
2323
_make_test_root have created a .bzr directory to prevent tests from
2324
propagating. This method ensures than a test did not leaked.
2326
root = TestCaseWithMemoryTransport.TEST_ROOT
2327
self.permit_url(get_transport(root).base)
2328
wt = workingtree.WorkingTree.open(root)
2329
last_rev = wt.last_revision()
2330
if last_rev != 'null:':
2331
# The current test have modified the /bzr directory, we need to
2332
# recreate a new one or all the followng tests will fail.
2333
# If you need to inspect its content uncomment the following line
2334
# import pdb; pdb.set_trace()
2335
_rmtree_temp_dir(root + '/.bzr', test_id=self.id())
2336
self._create_safety_net()
2337
raise AssertionError('%s/.bzr should not be modified' % root)
2339
def _make_test_root(self):
2340
if TestCaseWithMemoryTransport.TEST_ROOT is None:
2341
# Watch out for tricky test dir (on OSX /tmp -> /private/tmp)
2342
root = osutils.realpath(osutils.mkdtemp(prefix='testbzr-',
2344
TestCaseWithMemoryTransport.TEST_ROOT = root
2346
self._create_safety_net()
2348
# The same directory is used by all tests, and we're not
2349
# specifically told when all tests are finished. This will do.
2350
atexit.register(_rmtree_temp_dir, root)
2352
self.permit_dir(TestCaseWithMemoryTransport.TEST_ROOT)
2353
self.addCleanup(self._check_safety_net)
2355
def makeAndChdirToTestDir(self):
2356
"""Create a temporary directories for this one test.
2358
This must set self.test_home_dir and self.test_dir and chdir to
2361
For TestCaseWithMemoryTransport we chdir to the TEST_ROOT for this test.
2363
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
2364
self.test_dir = TestCaseWithMemoryTransport.TEST_ROOT
2365
self.test_home_dir = self.test_dir + "/MemoryTransportMissingHomeDir"
2366
self.permit_dir(self.test_dir)
2368
def make_branch(self, relpath, format=None):
2369
"""Create a branch on the transport at relpath."""
2370
repo = self.make_repository(relpath, format=format)
2371
return repo.bzrdir.create_branch()
2373
def make_bzrdir(self, relpath, format=None):
2375
# might be a relative or absolute path
2376
maybe_a_url = self.get_url(relpath)
2377
segments = maybe_a_url.rsplit('/', 1)
2378
t = get_transport(maybe_a_url)
2379
if len(segments) > 1 and segments[-1] not in ('', '.'):
2383
if isinstance(format, basestring):
2384
format = bzrdir.format_registry.make_bzrdir(format)
2385
return format.initialize_on_transport(t)
2386
except errors.UninitializableFormat:
2387
raise TestSkipped("Format %s is not initializable." % format)
2389
def make_repository(self, relpath, shared=False, format=None):
2390
"""Create a repository on our default transport at relpath.
2392
Note that relpath must be a relative path, not a full url.
2394
# FIXME: If you create a remoterepository this returns the underlying
2395
# real format, which is incorrect. Actually we should make sure that
2396
# RemoteBzrDir returns a RemoteRepository.
2397
# maybe mbp 20070410
2398
made_control = self.make_bzrdir(relpath, format=format)
2399
return made_control.create_repository(shared=shared)
2401
def make_smart_server(self, path):
2402
smart_server = test_server.SmartTCPServer_for_testing()
2403
self.start_server(smart_server, self.get_server())
2404
remote_transport = get_transport(smart_server.get_url()).clone(path)
2405
return remote_transport
2407
def make_branch_and_memory_tree(self, relpath, format=None):
2408
"""Create a branch on the default transport and a MemoryTree for it."""
2409
b = self.make_branch(relpath, format=format)
2410
return memorytree.MemoryTree.create_on_branch(b)
2412
def make_branch_builder(self, relpath, format=None):
2413
branch = self.make_branch(relpath, format=format)
2414
return branchbuilder.BranchBuilder(branch=branch)
2416
def overrideEnvironmentForTesting(self):
2417
test_home_dir = self.test_home_dir
2418
if isinstance(test_home_dir, unicode):
2419
test_home_dir = test_home_dir.encode(sys.getfilesystemencoding())
2420
os.environ['HOME'] = test_home_dir
2421
os.environ['BZR_HOME'] = test_home_dir
2424
super(TestCaseWithMemoryTransport, self).setUp()
2425
self._make_test_root()
2426
self.addCleanup(os.chdir, os.getcwdu())
2427
self.makeAndChdirToTestDir()
2428
self.overrideEnvironmentForTesting()
2429
self.__readonly_server = None
2430
self.__server = None
2431
self.reduceLockdirTimeout()
2433
def setup_smart_server_with_call_log(self):
2434
"""Sets up a smart server as the transport server with a call log."""
2435
self.transport_server = test_server.SmartTCPServer_for_testing
2436
self.hpss_calls = []
2438
# Skip the current stack down to the caller of
2439
# setup_smart_server_with_call_log
2440
prefix_length = len(traceback.extract_stack()) - 2
2441
def capture_hpss_call(params):
2442
self.hpss_calls.append(
2443
CapturedCall(params, prefix_length))
2444
client._SmartClient.hooks.install_named_hook(
2445
'call', capture_hpss_call, None)
2447
def reset_smart_call_log(self):
2448
self.hpss_calls = []
2451
class TestCaseInTempDir(TestCaseWithMemoryTransport):
2452
"""Derived class that runs a test within a temporary directory.
2454
This is useful for tests that need to create a branch, etc.
2456
The directory is created in a slightly complex way: for each
2457
Python invocation, a new temporary top-level directory is created.
2458
All test cases create their own directory within that. If the
2459
tests complete successfully, the directory is removed.
2461
:ivar test_base_dir: The path of the top-level directory for this
2462
test, which contains a home directory and a work directory.
2464
:ivar test_home_dir: An initially empty directory under test_base_dir
2465
which is used as $HOME for this test.
2467
:ivar test_dir: A directory under test_base_dir used as the current
2468
directory when the test proper is run.
2471
OVERRIDE_PYTHON = 'python'
2473
def check_file_contents(self, filename, expect):
2474
self.log("check contents of file %s" % filename)
2475
contents = file(filename, 'r').read()
2476
if contents != expect:
2477
self.log("expected: %r" % expect)
2478
self.log("actually: %r" % contents)
2479
self.fail("contents of %s not as expected" % filename)
2481
def _getTestDirPrefix(self):
2482
# create a directory within the top level test directory
2483
if sys.platform in ('win32', 'cygwin'):
2484
name_prefix = re.sub('[<>*=+",:;_/\\-]', '_', self.id())
2485
# windows is likely to have path-length limits so use a short name
2486
name_prefix = name_prefix[-30:]
2488
name_prefix = re.sub('[/]', '_', self.id())
2491
def makeAndChdirToTestDir(self):
2492
"""See TestCaseWithMemoryTransport.makeAndChdirToTestDir().
2494
For TestCaseInTempDir we create a temporary directory based on the test
2495
name and then create two subdirs - test and home under it.
2497
name_prefix = osutils.pathjoin(TestCaseWithMemoryTransport.TEST_ROOT,
2498
self._getTestDirPrefix())
2500
for i in range(100):
2501
if os.path.exists(name):
2502
name = name_prefix + '_' + str(i)
2504
# now create test and home directories within this dir
2505
self.test_base_dir = name
2506
self.addCleanup(self.deleteTestDir)
2507
os.mkdir(self.test_base_dir)
2509
self.permit_dir(self.test_base_dir)
2510
# 'sprouting' and 'init' of a branch both walk up the tree to find
2511
# stacking policy to honour; create a bzr dir with an unshared
2512
# repository (but not a branch - our code would be trying to escape
2513
# then!) to stop them, and permit it to be read.
2514
# control = bzrdir.BzrDir.create(self.test_base_dir)
2515
# control.create_repository()
2516
self.test_home_dir = self.test_base_dir + '/home'
2517
os.mkdir(self.test_home_dir)
2518
self.test_dir = self.test_base_dir + '/work'
2519
os.mkdir(self.test_dir)
2520
os.chdir(self.test_dir)
2521
# put name of test inside
2522
f = file(self.test_base_dir + '/name', 'w')
2528
def deleteTestDir(self):
2529
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
2530
_rmtree_temp_dir(self.test_base_dir, test_id=self.id())
2532
def build_tree(self, shape, line_endings='binary', transport=None):
2533
"""Build a test tree according to a pattern.
2535
shape is a sequence of file specifications. If the final
2536
character is '/', a directory is created.
2538
This assumes that all the elements in the tree being built are new.
2540
This doesn't add anything to a branch.
2542
:type shape: list or tuple.
2543
:param line_endings: Either 'binary' or 'native'
2544
in binary mode, exact contents are written in native mode, the
2545
line endings match the default platform endings.
2546
:param transport: A transport to write to, for building trees on VFS's.
2547
If the transport is readonly or None, "." is opened automatically.
2550
if type(shape) not in (list, tuple):
2551
raise AssertionError("Parameter 'shape' should be "
2552
"a list or a tuple. Got %r instead" % (shape,))
2553
# It's OK to just create them using forward slashes on windows.
2554
if transport is None or transport.is_readonly():
2555
transport = get_transport(".")
2557
self.assertIsInstance(name, basestring)
2559
transport.mkdir(urlutils.escape(name[:-1]))
2561
if line_endings == 'binary':
2563
elif line_endings == 'native':
2566
raise errors.BzrError(
2567
'Invalid line ending request %r' % line_endings)
2568
content = "contents of %s%s" % (name.encode('utf-8'), end)
2569
transport.put_bytes_non_atomic(urlutils.escape(name), content)
2571
def build_tree_contents(self, shape):
2572
build_tree_contents(shape)
2574
def assertInWorkingTree(self, path, root_path='.', tree=None):
2575
"""Assert whether path or paths are in the WorkingTree"""
2577
tree = workingtree.WorkingTree.open(root_path)
2578
if not isinstance(path, basestring):
2580
self.assertInWorkingTree(p, tree=tree)
2582
self.assertIsNot(tree.path2id(path), None,
2583
path+' not in working tree.')
2585
def assertNotInWorkingTree(self, path, root_path='.', tree=None):
2586
"""Assert whether path or paths are not in the WorkingTree"""
2588
tree = workingtree.WorkingTree.open(root_path)
2589
if not isinstance(path, basestring):
2591
self.assertNotInWorkingTree(p,tree=tree)
2593
self.assertIs(tree.path2id(path), None, path+' in working tree.')
2596
class TestCaseWithTransport(TestCaseInTempDir):
2597
"""A test case that provides get_url and get_readonly_url facilities.
2599
These back onto two transport servers, one for readonly access and one for
2602
If no explicit class is provided for readonly access, a
2603
ReadonlyTransportDecorator is used instead which allows the use of non disk
2604
based read write transports.
2606
If an explicit class is provided for readonly access, that server and the
2607
readwrite one must both define get_url() as resolving to os.getcwd().
2610
def get_vfs_only_server(self):
2611
"""See TestCaseWithMemoryTransport.
2613
This is useful for some tests with specific servers that need
2616
if self.__vfs_server is None:
2617
self.__vfs_server = self.vfs_transport_factory()
2618
self.start_server(self.__vfs_server)
2619
return self.__vfs_server
2621
def make_branch_and_tree(self, relpath, format=None):
2622
"""Create a branch on the transport and a tree locally.
2624
If the transport is not a LocalTransport, the Tree can't be created on
2625
the transport. In that case if the vfs_transport_factory is
2626
LocalURLServer the working tree is created in the local
2627
directory backing the transport, and the returned tree's branch and
2628
repository will also be accessed locally. Otherwise a lightweight
2629
checkout is created and returned.
2631
We do this because we can't physically create a tree in the local
2632
path, with a branch reference to the transport_factory url, and
2633
a branch + repository in the vfs_transport, unless the vfs_transport
2634
namespace is distinct from the local disk - the two branch objects
2635
would collide. While we could construct a tree with its branch object
2636
pointing at the transport_factory transport in memory, reopening it
2637
would behaving unexpectedly, and has in the past caused testing bugs
2638
when we tried to do it that way.
2640
:param format: The BzrDirFormat.
2641
:returns: the WorkingTree.
2643
# TODO: always use the local disk path for the working tree,
2644
# this obviously requires a format that supports branch references
2645
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
2647
b = self.make_branch(relpath, format=format)
2649
return b.bzrdir.create_workingtree()
2650
except errors.NotLocalUrl:
2651
# We can only make working trees locally at the moment. If the
2652
# transport can't support them, then we keep the non-disk-backed
2653
# branch and create a local checkout.
2654
if self.vfs_transport_factory is test_server.LocalURLServer:
2655
# the branch is colocated on disk, we cannot create a checkout.
2656
# hopefully callers will expect this.
2657
local_controldir= bzrdir.BzrDir.open(self.get_vfs_only_url(relpath))
2658
wt = local_controldir.create_workingtree()
2659
if wt.branch._format != b._format:
2661
# Make sure that assigning to wt._branch fixes wt.branch,
2662
# in case the implementation details of workingtree objects
2664
self.assertIs(b, wt.branch)
2667
return b.create_checkout(relpath, lightweight=True)
2669
def assertIsDirectory(self, relpath, transport):
2670
"""Assert that relpath within transport is a directory.
2672
This may not be possible on all transports; in that case it propagates
2673
a TransportNotPossible.
2676
mode = transport.stat(relpath).st_mode
2677
except errors.NoSuchFile:
2678
self.fail("path %s is not a directory; no such file"
2680
if not stat.S_ISDIR(mode):
2681
self.fail("path %s is not a directory; has mode %#o"
2684
def assertTreesEqual(self, left, right):
2685
"""Check that left and right have the same content and properties."""
2686
# we use a tree delta to check for equality of the content, and we
2687
# manually check for equality of other things such as the parents list.
2688
self.assertEqual(left.get_parent_ids(), right.get_parent_ids())
2689
differences = left.changes_from(right)
2690
self.assertFalse(differences.has_changed(),
2691
"Trees %r and %r are different: %r" % (left, right, differences))
2694
super(TestCaseWithTransport, self).setUp()
2695
self.__vfs_server = None
2697
def disable_missing_extensions_warning(self):
2698
"""Some tests expect a precise stderr content.
2700
There is no point in forcing them to duplicate the extension related
2703
config.GlobalConfig().set_user_option('ignore_missing_extensions', True)
2706
class ChrootedTestCase(TestCaseWithTransport):
2707
"""A support class that provides readonly urls outside the local namespace.
2709
This is done by checking if self.transport_server is a MemoryServer. if it
2710
is then we are chrooted already, if it is not then an HttpServer is used
2713
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
2714
be used without needed to redo it when a different
2715
subclass is in use ?
2719
super(ChrootedTestCase, self).setUp()
2720
if not self.vfs_transport_factory == memory.MemoryServer:
2721
self.transport_readonly_server = HttpServer
2724
def condition_id_re(pattern):
2725
"""Create a condition filter which performs a re check on a test's id.
2727
:param pattern: A regular expression string.
2728
:return: A callable that returns True if the re matches.
2730
filter_re = osutils.re_compile_checked(pattern, 0,
2732
def condition(test):
2734
return filter_re.search(test_id)
2738
def condition_isinstance(klass_or_klass_list):
2739
"""Create a condition filter which returns isinstance(param, klass).
2741
:return: A callable which when called with one parameter obj return the
2742
result of isinstance(obj, klass_or_klass_list).
2745
return isinstance(obj, klass_or_klass_list)
2749
def condition_id_in_list(id_list):
2750
"""Create a condition filter which verify that test's id in a list.
2752
:param id_list: A TestIdList object.
2753
:return: A callable that returns True if the test's id appears in the list.
2755
def condition(test):
2756
return id_list.includes(test.id())
2760
def condition_id_startswith(starts):
2761
"""Create a condition filter verifying that test's id starts with a string.
2763
:param starts: A list of string.
2764
:return: A callable that returns True if the test's id starts with one of
2767
def condition(test):
2768
for start in starts:
2769
if test.id().startswith(start):
2775
def exclude_tests_by_condition(suite, condition):
2776
"""Create a test suite which excludes some tests from suite.
2778
:param suite: The suite to get tests from.
2779
:param condition: A callable whose result evaluates True when called with a
2780
test case which should be excluded from the result.
2781
:return: A suite which contains the tests found in suite that fail
2785
for test in iter_suite_tests(suite):
2786
if not condition(test):
2788
return TestUtil.TestSuite(result)
2791
def filter_suite_by_condition(suite, condition):
2792
"""Create a test suite by filtering another one.
2794
:param suite: The source suite.
2795
:param condition: A callable whose result evaluates True when called with a
2796
test case which should be included in the result.
2797
:return: A suite which contains the tests found in suite that pass
2801
for test in iter_suite_tests(suite):
2804
return TestUtil.TestSuite(result)
2807
def filter_suite_by_re(suite, pattern):
2808
"""Create a test suite by filtering another one.
2810
:param suite: the source suite
2811
:param pattern: pattern that names must match
2812
:returns: the newly created suite
2814
condition = condition_id_re(pattern)
2815
result_suite = filter_suite_by_condition(suite, condition)
2819
def filter_suite_by_id_list(suite, test_id_list):
2820
"""Create a test suite by filtering another one.
2822
:param suite: The source suite.
2823
:param test_id_list: A list of the test ids to keep as strings.
2824
:returns: the newly created suite
2826
condition = condition_id_in_list(test_id_list)
2827
result_suite = filter_suite_by_condition(suite, condition)
2831
def filter_suite_by_id_startswith(suite, start):
2832
"""Create a test suite by filtering another one.
2834
:param suite: The source suite.
2835
:param start: A list of string the test id must start with one of.
2836
:returns: the newly created suite
2838
condition = condition_id_startswith(start)
2839
result_suite = filter_suite_by_condition(suite, condition)
2843
def exclude_tests_by_re(suite, pattern):
2844
"""Create a test suite which excludes some tests from suite.
2846
:param suite: The suite to get tests from.
2847
:param pattern: A regular expression string. Test ids that match this
2848
pattern will be excluded from the result.
2849
:return: A TestSuite that contains all the tests from suite without the
2850
tests that matched pattern. The order of tests is the same as it was in
2853
return exclude_tests_by_condition(suite, condition_id_re(pattern))
2856
def preserve_input(something):
2857
"""A helper for performing test suite transformation chains.
2859
:param something: Anything you want to preserve.
2865
def randomize_suite(suite):
2866
"""Return a new TestSuite with suite's tests in random order.
2868
The tests in the input suite are flattened into a single suite in order to
2869
accomplish this. Any nested TestSuites are removed to provide global
2872
tests = list(iter_suite_tests(suite))
2873
random.shuffle(tests)
2874
return TestUtil.TestSuite(tests)
2877
def split_suite_by_condition(suite, condition):
2878
"""Split a test suite into two by a condition.
2880
:param suite: The suite to split.
2881
:param condition: The condition to match on. Tests that match this
2882
condition are returned in the first test suite, ones that do not match
2883
are in the second suite.
2884
:return: A tuple of two test suites, where the first contains tests from
2885
suite matching the condition, and the second contains the remainder
2886
from suite. The order within each output suite is the same as it was in
2891
for test in iter_suite_tests(suite):
2893
matched.append(test)
2895
did_not_match.append(test)
2896
return TestUtil.TestSuite(matched), TestUtil.TestSuite(did_not_match)
2899
def split_suite_by_re(suite, pattern):
2900
"""Split a test suite into two by a regular expression.
2902
:param suite: The suite to split.
2903
:param pattern: A regular expression string. Test ids that match this
2904
pattern will be in the first test suite returned, and the others in the
2905
second test suite returned.
2906
:return: A tuple of two test suites, where the first contains tests from
2907
suite matching pattern, and the second contains the remainder from
2908
suite. The order within each output suite is the same as it was in
2911
return split_suite_by_condition(suite, condition_id_re(pattern))
2914
def run_suite(suite, name='test', verbose=False, pattern=".*",
2915
stop_on_failure=False,
2916
transport=None, lsprof_timed=None, bench_history=None,
2917
matching_tests_first=None,
2920
exclude_pattern=None,
2923
suite_decorators=None,
2925
result_decorators=None,
2927
"""Run a test suite for bzr selftest.
2929
:param runner_class: The class of runner to use. Must support the
2930
constructor arguments passed by run_suite which are more than standard
2932
:return: A boolean indicating success.
2934
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
2939
if runner_class is None:
2940
runner_class = TextTestRunner
2943
runner = runner_class(stream=stream,
2945
verbosity=verbosity,
2946
bench_history=bench_history,
2948
result_decorators=result_decorators,
2950
runner.stop_on_failure=stop_on_failure
2951
# built in decorator factories:
2953
random_order(random_seed, runner),
2954
exclude_tests(exclude_pattern),
2956
if matching_tests_first:
2957
decorators.append(tests_first(pattern))
2959
decorators.append(filter_tests(pattern))
2960
if suite_decorators:
2961
decorators.extend(suite_decorators)
2962
# tell the result object how many tests will be running: (except if
2963
# --parallel=fork is being used. Robert said he will provide a better
2964
# progress design later -- vila 20090817)
2965
if fork_decorator not in decorators:
2966
decorators.append(CountingDecorator)
2967
for decorator in decorators:
2968
suite = decorator(suite)
2970
# Done after test suite decoration to allow randomisation etc
2971
# to take effect, though that is of marginal benefit.
2973
stream.write("Listing tests only ...\n")
2974
for t in iter_suite_tests(suite):
2975
stream.write("%s\n" % (t.id()))
2977
result = runner.run(suite)
2979
return result.wasStrictlySuccessful()
2981
return result.wasSuccessful()
2984
# A registry where get() returns a suite decorator.
2985
parallel_registry = registry.Registry()
2988
def fork_decorator(suite):
2989
concurrency = osutils.local_concurrency()
2990
if concurrency == 1:
2992
from testtools import ConcurrentTestSuite
2993
return ConcurrentTestSuite(suite, fork_for_tests)
2994
parallel_registry.register('fork', fork_decorator)
2997
def subprocess_decorator(suite):
2998
concurrency = osutils.local_concurrency()
2999
if concurrency == 1:
3001
from testtools import ConcurrentTestSuite
3002
return ConcurrentTestSuite(suite, reinvoke_for_tests)
3003
parallel_registry.register('subprocess', subprocess_decorator)
3006
def exclude_tests(exclude_pattern):
3007
"""Return a test suite decorator that excludes tests."""
3008
if exclude_pattern is None:
3009
return identity_decorator
3010
def decorator(suite):
3011
return ExcludeDecorator(suite, exclude_pattern)
3015
def filter_tests(pattern):
3017
return identity_decorator
3018
def decorator(suite):
3019
return FilterTestsDecorator(suite, pattern)
3023
def random_order(random_seed, runner):
3024
"""Return a test suite decorator factory for randomising tests order.
3026
:param random_seed: now, a string which casts to a long, or a long.
3027
:param runner: A test runner with a stream attribute to report on.
3029
if random_seed is None:
3030
return identity_decorator
3031
def decorator(suite):
3032
return RandomDecorator(suite, random_seed, runner.stream)
3036
def tests_first(pattern):
3038
return identity_decorator
3039
def decorator(suite):
3040
return TestFirstDecorator(suite, pattern)
3044
def identity_decorator(suite):
3049
class TestDecorator(TestSuite):
3050
"""A decorator for TestCase/TestSuite objects.
3052
Usually, subclasses should override __iter__(used when flattening test
3053
suites), which we do to filter, reorder, parallelise and so on, run() and
3057
def __init__(self, suite):
3058
TestSuite.__init__(self)
3061
def countTestCases(self):
3064
cases += test.countTestCases()
3071
def run(self, result):
3072
# Use iteration on self, not self._tests, to allow subclasses to hook
3075
if result.shouldStop:
3081
class CountingDecorator(TestDecorator):
3082
"""A decorator which calls result.progress(self.countTestCases)."""
3084
def run(self, result):
3085
progress_method = getattr(result, 'progress', None)
3086
if callable(progress_method):
3087
progress_method(self.countTestCases(), SUBUNIT_SEEK_SET)
3088
return super(CountingDecorator, self).run(result)
3091
class ExcludeDecorator(TestDecorator):
3092
"""A decorator which excludes test matching an exclude pattern."""
3094
def __init__(self, suite, exclude_pattern):
3095
TestDecorator.__init__(self, suite)
3096
self.exclude_pattern = exclude_pattern
3097
self.excluded = False
3101
return iter(self._tests)
3102
self.excluded = True
3103
suite = exclude_tests_by_re(self, self.exclude_pattern)
3105
self.addTests(suite)
3106
return iter(self._tests)
3109
class FilterTestsDecorator(TestDecorator):
3110
"""A decorator which filters tests to those matching a pattern."""
3112
def __init__(self, suite, pattern):
3113
TestDecorator.__init__(self, suite)
3114
self.pattern = pattern
3115
self.filtered = False
3119
return iter(self._tests)
3120
self.filtered = True
3121
suite = filter_suite_by_re(self, self.pattern)
3123
self.addTests(suite)
3124
return iter(self._tests)
3127
class RandomDecorator(TestDecorator):
3128
"""A decorator which randomises the order of its tests."""
3130
def __init__(self, suite, random_seed, stream):
3131
TestDecorator.__init__(self, suite)
3132
self.random_seed = random_seed
3133
self.randomised = False
3134
self.stream = stream
3138
return iter(self._tests)
3139
self.randomised = True
3140
self.stream.write("Randomizing test order using seed %s\n\n" %
3141
(self.actual_seed()))
3142
# Initialise the random number generator.
3143
random.seed(self.actual_seed())
3144
suite = randomize_suite(self)
3146
self.addTests(suite)
3147
return iter(self._tests)
3149
def actual_seed(self):
3150
if self.random_seed == "now":
3151
# We convert the seed to a long to make it reuseable across
3152
# invocations (because the user can reenter it).
3153
self.random_seed = long(time.time())
3155
# Convert the seed to a long if we can
3157
self.random_seed = long(self.random_seed)
3160
return self.random_seed
3163
class TestFirstDecorator(TestDecorator):
3164
"""A decorator which moves named tests to the front."""
3166
def __init__(self, suite, pattern):
3167
TestDecorator.__init__(self, suite)
3168
self.pattern = pattern
3169
self.filtered = False
3173
return iter(self._tests)
3174
self.filtered = True
3175
suites = split_suite_by_re(self, self.pattern)
3177
self.addTests(suites)
3178
return iter(self._tests)
3181
def partition_tests(suite, count):
3182
"""Partition suite into count lists of tests."""
3184
tests = list(iter_suite_tests(suite))
3185
tests_per_process = int(math.ceil(float(len(tests)) / count))
3186
for block in range(count):
3187
low_test = block * tests_per_process
3188
high_test = low_test + tests_per_process
3189
process_tests = tests[low_test:high_test]
3190
result.append(process_tests)
3194
def fork_for_tests(suite):
3195
"""Take suite and start up one runner per CPU by forking()
3197
:return: An iterable of TestCase-like objects which can each have
3198
run(result) called on them to feed tests to result.
3200
concurrency = osutils.local_concurrency()
3202
from subunit import TestProtocolClient, ProtocolTestCase
3203
from subunit.test_results import AutoTimingTestResultDecorator
3204
class TestInOtherProcess(ProtocolTestCase):
3205
# Should be in subunit, I think. RBC.
3206
def __init__(self, stream, pid):
3207
ProtocolTestCase.__init__(self, stream)
3210
def run(self, result):
3212
ProtocolTestCase.run(self, result)
3214
os.waitpid(self.pid, os.WNOHANG)
3216
test_blocks = partition_tests(suite, concurrency)
3217
for process_tests in test_blocks:
3218
process_suite = TestSuite()
3219
process_suite.addTests(process_tests)
3220
c2pread, c2pwrite = os.pipe()
3225
# Leave stderr and stdout open so we can see test noise
3226
# Close stdin so that the child goes away if it decides to
3227
# read from stdin (otherwise its a roulette to see what
3228
# child actually gets keystrokes for pdb etc).
3231
stream = os.fdopen(c2pwrite, 'wb', 1)
3232
subunit_result = AutoTimingTestResultDecorator(
3233
TestProtocolClient(stream))
3234
process_suite.run(subunit_result)
3239
stream = os.fdopen(c2pread, 'rb', 1)
3240
test = TestInOtherProcess(stream, pid)
3245
def reinvoke_for_tests(suite):
3246
"""Take suite and start up one runner per CPU using subprocess().
3248
:return: An iterable of TestCase-like objects which can each have
3249
run(result) called on them to feed tests to result.
3251
concurrency = osutils.local_concurrency()
3253
from subunit import ProtocolTestCase
3254
class TestInSubprocess(ProtocolTestCase):
3255
def __init__(self, process, name):
3256
ProtocolTestCase.__init__(self, process.stdout)
3257
self.process = process
3258
self.process.stdin.close()
3261
def run(self, result):
3263
ProtocolTestCase.run(self, result)
3266
os.unlink(self.name)
3267
# print "pid %d finished" % finished_process
3268
test_blocks = partition_tests(suite, concurrency)
3269
for process_tests in test_blocks:
3270
# ugly; currently reimplement rather than reuses TestCase methods.
3271
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
3272
if not os.path.isfile(bzr_path):
3273
# We are probably installed. Assume sys.argv is the right file
3274
bzr_path = sys.argv[0]
3275
bzr_path = [bzr_path]
3276
if sys.platform == "win32":
3277
# if we're on windows, we can't execute the bzr script directly
3278
bzr_path = [sys.executable] + bzr_path
3279
fd, test_list_file_name = tempfile.mkstemp()
3280
test_list_file = os.fdopen(fd, 'wb', 1)
3281
for test in process_tests:
3282
test_list_file.write(test.id() + '\n')
3283
test_list_file.close()
3285
argv = bzr_path + ['selftest', '--load-list', test_list_file_name,
3287
if '--no-plugins' in sys.argv:
3288
argv.append('--no-plugins')
3289
# stderr=STDOUT would be ideal, but until we prevent noise on
3290
# stderr it can interrupt the subunit protocol.
3291
process = Popen(argv, stdin=PIPE, stdout=PIPE, stderr=PIPE,
3293
test = TestInSubprocess(process, test_list_file_name)
3296
os.unlink(test_list_file_name)
3301
class ForwardingResult(unittest.TestResult):
3303
def __init__(self, target):
3304
unittest.TestResult.__init__(self)
3305
self.result = target
3307
def startTest(self, test):
3308
self.result.startTest(test)
3310
def stopTest(self, test):
3311
self.result.stopTest(test)
3313
def startTestRun(self):
3314
self.result.startTestRun()
3316
def stopTestRun(self):
3317
self.result.stopTestRun()
3319
def addSkip(self, test, reason):
3320
self.result.addSkip(test, reason)
3322
def addSuccess(self, test):
3323
self.result.addSuccess(test)
3325
def addError(self, test, err):
3326
self.result.addError(test, err)
3328
def addFailure(self, test, err):
3329
self.result.addFailure(test, err)
3330
ForwardingResult = testtools.ExtendedToOriginalDecorator
3333
class ProfileResult(ForwardingResult):
3334
"""Generate profiling data for all activity between start and success.
3336
The profile data is appended to the test's _benchcalls attribute and can
3337
be accessed by the forwarded-to TestResult.
3339
While it might be cleaner do accumulate this in stopTest, addSuccess is
3340
where our existing output support for lsprof is, and this class aims to
3341
fit in with that: while it could be moved it's not necessary to accomplish
3342
test profiling, nor would it be dramatically cleaner.
3345
def startTest(self, test):
3346
self.profiler = bzrlib.lsprof.BzrProfiler()
3347
self.profiler.start()
3348
ForwardingResult.startTest(self, test)
3350
def addSuccess(self, test):
3351
stats = self.profiler.stop()
3353
calls = test._benchcalls
3354
except AttributeError:
3355
test._benchcalls = []
3356
calls = test._benchcalls
3357
calls.append(((test.id(), "", ""), stats))
3358
ForwardingResult.addSuccess(self, test)
3360
def stopTest(self, test):
3361
ForwardingResult.stopTest(self, test)
3362
self.profiler = None
3365
# Controlled by "bzr selftest -E=..." option
3366
# Currently supported:
3367
# -Eallow_debug Will no longer clear debug.debug_flags() so it
3368
# preserves any flags supplied at the command line.
3369
# -Edisable_lock_checks Turns errors in mismatched locks into simple prints
3370
# rather than failing tests. And no longer raise
3371
# LockContention when fctnl locks are not being used
3372
# with proper exclusion rules.
3373
selftest_debug_flags = set()
3376
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
3378
test_suite_factory=None,
3381
matching_tests_first=None,
3384
exclude_pattern=None,
3390
suite_decorators=None,
3394
"""Run the whole test suite under the enhanced runner"""
3395
# XXX: Very ugly way to do this...
3396
# Disable warning about old formats because we don't want it to disturb
3397
# any blackbox tests.
3398
from bzrlib import repository
3399
repository._deprecation_warning_done = True
3401
global default_transport
3402
if transport is None:
3403
transport = default_transport
3404
old_transport = default_transport
3405
default_transport = transport
3406
global selftest_debug_flags
3407
old_debug_flags = selftest_debug_flags
3408
if debug_flags is not None:
3409
selftest_debug_flags = set(debug_flags)
3411
if load_list is None:
3414
keep_only = load_test_id_list(load_list)
3416
starting_with = [test_prefix_alias_registry.resolve_alias(start)
3417
for start in starting_with]
3418
if test_suite_factory is None:
3419
# Reduce loading time by loading modules based on the starting_with
3421
suite = test_suite(keep_only, starting_with)
3423
suite = test_suite_factory()
3425
# But always filter as requested.
3426
suite = filter_suite_by_id_startswith(suite, starting_with)
3427
result_decorators = []
3429
result_decorators.append(ProfileResult)
3430
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
3431
stop_on_failure=stop_on_failure,
3432
transport=transport,
3433
lsprof_timed=lsprof_timed,
3434
bench_history=bench_history,
3435
matching_tests_first=matching_tests_first,
3436
list_only=list_only,
3437
random_seed=random_seed,
3438
exclude_pattern=exclude_pattern,
3440
runner_class=runner_class,
3441
suite_decorators=suite_decorators,
3443
result_decorators=result_decorators,
3446
default_transport = old_transport
3447
selftest_debug_flags = old_debug_flags
3450
def load_test_id_list(file_name):
3451
"""Load a test id list from a text file.
3453
The format is one test id by line. No special care is taken to impose
3454
strict rules, these test ids are used to filter the test suite so a test id
3455
that do not match an existing test will do no harm. This allows user to add
3456
comments, leave blank lines, etc.
3460
ftest = open(file_name, 'rt')
3462
if e.errno != errno.ENOENT:
3465
raise errors.NoSuchFile(file_name)
3467
for test_name in ftest.readlines():
3468
test_list.append(test_name.strip())
3473
def suite_matches_id_list(test_suite, id_list):
3474
"""Warns about tests not appearing or appearing more than once.
3476
:param test_suite: A TestSuite object.
3477
:param test_id_list: The list of test ids that should be found in
3480
:return: (absents, duplicates) absents is a list containing the test found
3481
in id_list but not in test_suite, duplicates is a list containing the
3482
test found multiple times in test_suite.
3484
When using a prefined test id list, it may occurs that some tests do not
3485
exist anymore or that some tests use the same id. This function warns the
3486
tester about potential problems in his workflow (test lists are volatile)
3487
or in the test suite itself (using the same id for several tests does not
3488
help to localize defects).
3490
# Build a dict counting id occurrences
3492
for test in iter_suite_tests(test_suite):
3494
tests[id] = tests.get(id, 0) + 1
3499
occurs = tests.get(id, 0)
3501
not_found.append(id)
3503
duplicates.append(id)
3505
return not_found, duplicates
3508
class TestIdList(object):
3509
"""Test id list to filter a test suite.
3511
Relying on the assumption that test ids are built as:
3512
<module>[.<class>.<method>][(<param>+)], <module> being in python dotted
3513
notation, this class offers methods to :
3514
- avoid building a test suite for modules not refered to in the test list,
3515
- keep only the tests listed from the module test suite.
3518
def __init__(self, test_id_list):
3519
# When a test suite needs to be filtered against us we compare test ids
3520
# for equality, so a simple dict offers a quick and simple solution.
3521
self.tests = dict().fromkeys(test_id_list, True)
3523
# While unittest.TestCase have ids like:
3524
# <module>.<class>.<method>[(<param+)],
3525
# doctest.DocTestCase can have ids like:
3528
# <module>.<function>
3529
# <module>.<class>.<method>
3531
# Since we can't predict a test class from its name only, we settle on
3532
# a simple constraint: a test id always begins with its module name.
3535
for test_id in test_id_list:
3536
parts = test_id.split('.')
3537
mod_name = parts.pop(0)
3538
modules[mod_name] = True
3540
mod_name += '.' + part
3541
modules[mod_name] = True
3542
self.modules = modules
3544
def refers_to(self, module_name):
3545
"""Is there tests for the module or one of its sub modules."""
3546
return self.modules.has_key(module_name)
3548
def includes(self, test_id):
3549
return self.tests.has_key(test_id)
3552
class TestPrefixAliasRegistry(registry.Registry):
3553
"""A registry for test prefix aliases.
3555
This helps implement shorcuts for the --starting-with selftest
3556
option. Overriding existing prefixes is not allowed but not fatal (a
3557
warning will be emitted).
3560
def register(self, key, obj, help=None, info=None,
3561
override_existing=False):
3562
"""See Registry.register.
3564
Trying to override an existing alias causes a warning to be emitted,
3565
not a fatal execption.
3568
super(TestPrefixAliasRegistry, self).register(
3569
key, obj, help=help, info=info, override_existing=False)
3571
actual = self.get(key)
3572
note('Test prefix alias %s is already used for %s, ignoring %s'
3573
% (key, actual, obj))
3575
def resolve_alias(self, id_start):
3576
"""Replace the alias by the prefix in the given string.
3578
Using an unknown prefix is an error to help catching typos.
3580
parts = id_start.split('.')
3582
parts[0] = self.get(parts[0])
3584
raise errors.BzrCommandError(
3585
'%s is not a known test prefix alias' % parts[0])
3586
return '.'.join(parts)
3589
test_prefix_alias_registry = TestPrefixAliasRegistry()
3590
"""Registry of test prefix aliases."""
3593
# This alias allows to detect typos ('bzrlin.') by making all valid test ids
3594
# appear prefixed ('bzrlib.' is "replaced" by 'bzrlib.').
3595
test_prefix_alias_registry.register('bzrlib', 'bzrlib')
3597
# Obvious highest levels prefixes, feel free to add your own via a plugin
3598
test_prefix_alias_registry.register('bd', 'bzrlib.doc')
3599
test_prefix_alias_registry.register('bu', 'bzrlib.utils')
3600
test_prefix_alias_registry.register('bt', 'bzrlib.tests')
3601
test_prefix_alias_registry.register('bb', 'bzrlib.tests.blackbox')
3602
test_prefix_alias_registry.register('bp', 'bzrlib.plugins')
3605
def _test_suite_testmod_names():
3606
"""Return the standard list of test module names to test."""
3609
'bzrlib.tests.blackbox',
3610
'bzrlib.tests.commands',
3611
'bzrlib.tests.per_branch',
3612
'bzrlib.tests.per_bzrdir',
3613
'bzrlib.tests.per_foreign_vcs',
3614
'bzrlib.tests.per_interrepository',
3615
'bzrlib.tests.per_intertree',
3616
'bzrlib.tests.per_inventory',
3617
'bzrlib.tests.per_interbranch',
3618
'bzrlib.tests.per_lock',
3619
'bzrlib.tests.per_merger',
3620
'bzrlib.tests.per_transport',
3621
'bzrlib.tests.per_tree',
3622
'bzrlib.tests.per_pack_repository',
3623
'bzrlib.tests.per_repository',
3624
'bzrlib.tests.per_repository_chk',
3625
'bzrlib.tests.per_repository_reference',
3626
'bzrlib.tests.per_uifactory',
3627
'bzrlib.tests.per_versionedfile',
3628
'bzrlib.tests.per_workingtree',
3629
'bzrlib.tests.test__annotator',
3630
'bzrlib.tests.test__bencode',
3631
'bzrlib.tests.test__chk_map',
3632
'bzrlib.tests.test__dirstate_helpers',
3633
'bzrlib.tests.test__groupcompress',
3634
'bzrlib.tests.test__known_graph',
3635
'bzrlib.tests.test__rio',
3636
'bzrlib.tests.test__simple_set',
3637
'bzrlib.tests.test__static_tuple',
3638
'bzrlib.tests.test__walkdirs_win32',
3639
'bzrlib.tests.test_ancestry',
3640
'bzrlib.tests.test_annotate',
3641
'bzrlib.tests.test_api',
3642
'bzrlib.tests.test_atomicfile',
3643
'bzrlib.tests.test_bad_files',
3644
'bzrlib.tests.test_bisect_multi',
3645
'bzrlib.tests.test_branch',
3646
'bzrlib.tests.test_branchbuilder',
3647
'bzrlib.tests.test_btree_index',
3648
'bzrlib.tests.test_bugtracker',
3649
'bzrlib.tests.test_bundle',
3650
'bzrlib.tests.test_bzrdir',
3651
'bzrlib.tests.test__chunks_to_lines',
3652
'bzrlib.tests.test_cache_utf8',
3653
'bzrlib.tests.test_chk_map',
3654
'bzrlib.tests.test_chk_serializer',
3655
'bzrlib.tests.test_chunk_writer',
3656
'bzrlib.tests.test_clean_tree',
3657
'bzrlib.tests.test_cleanup',
3658
'bzrlib.tests.test_cmdline',
3659
'bzrlib.tests.test_commands',
3660
'bzrlib.tests.test_commit',
3661
'bzrlib.tests.test_commit_merge',
3662
'bzrlib.tests.test_config',
3663
'bzrlib.tests.test_conflicts',
3664
'bzrlib.tests.test_counted_lock',
3665
'bzrlib.tests.test_crash',
3666
'bzrlib.tests.test_decorators',
3667
'bzrlib.tests.test_delta',
3668
'bzrlib.tests.test_debug',
3669
'bzrlib.tests.test_deprecated_graph',
3670
'bzrlib.tests.test_diff',
3671
'bzrlib.tests.test_directory_service',
3672
'bzrlib.tests.test_dirstate',
3673
'bzrlib.tests.test_email_message',
3674
'bzrlib.tests.test_eol_filters',
3675
'bzrlib.tests.test_errors',
3676
'bzrlib.tests.test_export',
3677
'bzrlib.tests.test_extract',
3678
'bzrlib.tests.test_fetch',
3679
'bzrlib.tests.test_fifo_cache',
3680
'bzrlib.tests.test_filters',
3681
'bzrlib.tests.test_ftp_transport',
3682
'bzrlib.tests.test_foreign',
3683
'bzrlib.tests.test_generate_docs',
3684
'bzrlib.tests.test_generate_ids',
3685
'bzrlib.tests.test_globbing',
3686
'bzrlib.tests.test_gpg',
3687
'bzrlib.tests.test_graph',
3688
'bzrlib.tests.test_groupcompress',
3689
'bzrlib.tests.test_hashcache',
3690
'bzrlib.tests.test_help',
3691
'bzrlib.tests.test_hooks',
3692
'bzrlib.tests.test_http',
3693
'bzrlib.tests.test_http_response',
3694
'bzrlib.tests.test_https_ca_bundle',
3695
'bzrlib.tests.test_identitymap',
3696
'bzrlib.tests.test_ignores',
3697
'bzrlib.tests.test_index',
3698
'bzrlib.tests.test_import_tariff',
3699
'bzrlib.tests.test_info',
3700
'bzrlib.tests.test_inv',
3701
'bzrlib.tests.test_inventory_delta',
3702
'bzrlib.tests.test_knit',
3703
'bzrlib.tests.test_lazy_import',
3704
'bzrlib.tests.test_lazy_regex',
3705
'bzrlib.tests.test_lock',
3706
'bzrlib.tests.test_lockable_files',
3707
'bzrlib.tests.test_lockdir',
3708
'bzrlib.tests.test_log',
3709
'bzrlib.tests.test_lru_cache',
3710
'bzrlib.tests.test_lsprof',
3711
'bzrlib.tests.test_mail_client',
3712
'bzrlib.tests.test_memorytree',
3713
'bzrlib.tests.test_merge',
3714
'bzrlib.tests.test_merge3',
3715
'bzrlib.tests.test_merge_core',
3716
'bzrlib.tests.test_merge_directive',
3717
'bzrlib.tests.test_missing',
3718
'bzrlib.tests.test_msgeditor',
3719
'bzrlib.tests.test_multiparent',
3720
'bzrlib.tests.test_mutabletree',
3721
'bzrlib.tests.test_nonascii',
3722
'bzrlib.tests.test_options',
3723
'bzrlib.tests.test_osutils',
3724
'bzrlib.tests.test_osutils_encodings',
3725
'bzrlib.tests.test_pack',
3726
'bzrlib.tests.test_patch',
3727
'bzrlib.tests.test_patches',
3728
'bzrlib.tests.test_permissions',
3729
'bzrlib.tests.test_plugins',
3730
'bzrlib.tests.test_progress',
3731
'bzrlib.tests.test_read_bundle',
3732
'bzrlib.tests.test_reconcile',
3733
'bzrlib.tests.test_reconfigure',
3734
'bzrlib.tests.test_registry',
3735
'bzrlib.tests.test_remote',
3736
'bzrlib.tests.test_rename_map',
3737
'bzrlib.tests.test_repository',
3738
'bzrlib.tests.test_revert',
3739
'bzrlib.tests.test_revision',
3740
'bzrlib.tests.test_revisionspec',
3741
'bzrlib.tests.test_revisiontree',
3742
'bzrlib.tests.test_rio',
3743
'bzrlib.tests.test_rules',
3744
'bzrlib.tests.test_sampler',
3745
'bzrlib.tests.test_script',
3746
'bzrlib.tests.test_selftest',
3747
'bzrlib.tests.test_serializer',
3748
'bzrlib.tests.test_setup',
3749
'bzrlib.tests.test_sftp_transport',
3750
'bzrlib.tests.test_shelf',
3751
'bzrlib.tests.test_shelf_ui',
3752
'bzrlib.tests.test_smart',
3753
'bzrlib.tests.test_smart_add',
3754
'bzrlib.tests.test_smart_request',
3755
'bzrlib.tests.test_smart_transport',
3756
'bzrlib.tests.test_smtp_connection',
3757
'bzrlib.tests.test_source',
3758
'bzrlib.tests.test_ssh_transport',
3759
'bzrlib.tests.test_status',
3760
'bzrlib.tests.test_store',
3761
'bzrlib.tests.test_strace',
3762
'bzrlib.tests.test_subsume',
3763
'bzrlib.tests.test_switch',
3764
'bzrlib.tests.test_symbol_versioning',
3765
'bzrlib.tests.test_tag',
3766
'bzrlib.tests.test_testament',
3767
'bzrlib.tests.test_textfile',
3768
'bzrlib.tests.test_textmerge',
3769
'bzrlib.tests.test_timestamp',
3770
'bzrlib.tests.test_trace',
3771
'bzrlib.tests.test_transactions',
3772
'bzrlib.tests.test_transform',
3773
'bzrlib.tests.test_transport',
3774
'bzrlib.tests.test_transport_log',
3775
'bzrlib.tests.test_tree',
3776
'bzrlib.tests.test_treebuilder',
3777
'bzrlib.tests.test_tsort',
3778
'bzrlib.tests.test_tuned_gzip',
3779
'bzrlib.tests.test_ui',
3780
'bzrlib.tests.test_uncommit',
3781
'bzrlib.tests.test_upgrade',
3782
'bzrlib.tests.test_upgrade_stacked',
3783
'bzrlib.tests.test_urlutils',
3784
'bzrlib.tests.test_version',
3785
'bzrlib.tests.test_version_info',
3786
'bzrlib.tests.test_weave',
3787
'bzrlib.tests.test_whitebox',
3788
'bzrlib.tests.test_win32utils',
3789
'bzrlib.tests.test_workingtree',
3790
'bzrlib.tests.test_workingtree_4',
3791
'bzrlib.tests.test_wsgi',
3792
'bzrlib.tests.test_xml',
3796
def _test_suite_modules_to_doctest():
3797
"""Return the list of modules to doctest."""
3800
'bzrlib.branchbuilder',
3801
'bzrlib.decorators',
3804
'bzrlib.iterablefile',
3808
'bzrlib.symbol_versioning',
3811
'bzrlib.version_info_formats.format_custom',
3815
def test_suite(keep_only=None, starting_with=None):
3816
"""Build and return TestSuite for the whole of bzrlib.
3818
:param keep_only: A list of test ids limiting the suite returned.
3820
:param starting_with: An id limiting the suite returned to the tests
3823
This function can be replaced if you need to change the default test
3824
suite on a global basis, but it is not encouraged.
3827
loader = TestUtil.TestLoader()
3829
if keep_only is not None:
3830
id_filter = TestIdList(keep_only)
3832
# We take precedence over keep_only because *at loading time* using
3833
# both options means we will load less tests for the same final result.
3834
def interesting_module(name):
3835
for start in starting_with:
3837
# Either the module name starts with the specified string
3838
name.startswith(start)
3839
# or it may contain tests starting with the specified string
3840
or start.startswith(name)
3844
loader = TestUtil.FilteredByModuleTestLoader(interesting_module)
3846
elif keep_only is not None:
3847
loader = TestUtil.FilteredByModuleTestLoader(id_filter.refers_to)
3848
def interesting_module(name):
3849
return id_filter.refers_to(name)
3852
loader = TestUtil.TestLoader()
3853
def interesting_module(name):
3854
# No filtering, all modules are interesting
3857
suite = loader.suiteClass()
3859
# modules building their suite with loadTestsFromModuleNames
3860
suite.addTest(loader.loadTestsFromModuleNames(_test_suite_testmod_names()))
3862
for mod in _test_suite_modules_to_doctest():
3863
if not interesting_module(mod):
3864
# No tests to keep here, move along
3867
# note that this really does mean "report only" -- doctest
3868
# still runs the rest of the examples
3869
doc_suite = doctest.DocTestSuite(mod,
3870
optionflags=doctest.REPORT_ONLY_FIRST_FAILURE)
3871
except ValueError, e:
3872
print '**failed to get doctest for: %s\n%s' % (mod, e)
3874
if len(doc_suite._tests) == 0:
3875
raise errors.BzrError("no doctests found in %s" % (mod,))
3876
suite.addTest(doc_suite)
3878
default_encoding = sys.getdefaultencoding()
3879
for name, plugin in bzrlib.plugin.plugins().items():
3880
if not interesting_module(plugin.module.__name__):
3882
plugin_suite = plugin.test_suite()
3883
# We used to catch ImportError here and turn it into just a warning,
3884
# but really if you don't have --no-plugins this should be a failure.
3885
# mbp 20080213 - see http://bugs.launchpad.net/bugs/189771
3886
if plugin_suite is None:
3887
plugin_suite = plugin.load_plugin_tests(loader)
3888
if plugin_suite is not None:
3889
suite.addTest(plugin_suite)
3890
if default_encoding != sys.getdefaultencoding():
3891
bzrlib.trace.warning(
3892
'Plugin "%s" tried to reset default encoding to: %s', name,
3893
sys.getdefaultencoding())
3895
sys.setdefaultencoding(default_encoding)
3897
if keep_only is not None:
3898
# Now that the referred modules have loaded their tests, keep only the
3900
suite = filter_suite_by_id_list(suite, id_filter)
3901
# Do some sanity checks on the id_list filtering
3902
not_found, duplicates = suite_matches_id_list(suite, keep_only)
3904
# The tester has used both keep_only and starting_with, so he is
3905
# already aware that some tests are excluded from the list, there
3906
# is no need to tell him which.
3909
# Some tests mentioned in the list are not in the test suite. The
3910
# list may be out of date, report to the tester.
3911
for id in not_found:
3912
bzrlib.trace.warning('"%s" not found in the test suite', id)
3913
for id in duplicates:
3914
bzrlib.trace.warning('"%s" is used as an id by several tests', id)
3919
def multiply_scenarios(scenarios_left, scenarios_right):
3920
"""Multiply two sets of scenarios.
3922
:returns: the cartesian product of the two sets of scenarios, that is
3923
a scenario for every possible combination of a left scenario and a
3927
('%s,%s' % (left_name, right_name),
3928
dict(left_dict.items() + right_dict.items()))
3929
for left_name, left_dict in scenarios_left
3930
for right_name, right_dict in scenarios_right]
3933
def multiply_tests(tests, scenarios, result):
3934
"""Multiply tests_list by scenarios into result.
3936
This is the core workhorse for test parameterisation.
3938
Typically the load_tests() method for a per-implementation test suite will
3939
call multiply_tests and return the result.
3941
:param tests: The tests to parameterise.
3942
:param scenarios: The scenarios to apply: pairs of (scenario_name,
3943
scenario_param_dict).
3944
:param result: A TestSuite to add created tests to.
3946
This returns the passed in result TestSuite with the cross product of all
3947
the tests repeated once for each scenario. Each test is adapted by adding
3948
the scenario name at the end of its id(), and updating the test object's
3949
__dict__ with the scenario_param_dict.
3951
>>> import bzrlib.tests.test_sampler
3952
>>> r = multiply_tests(
3953
... bzrlib.tests.test_sampler.DemoTest('test_nothing'),
3954
... [('one', dict(param=1)),
3955
... ('two', dict(param=2))],
3957
>>> tests = list(iter_suite_tests(r))
3961
'bzrlib.tests.test_sampler.DemoTest.test_nothing(one)'
3967
for test in iter_suite_tests(tests):
3968
apply_scenarios(test, scenarios, result)
3972
def apply_scenarios(test, scenarios, result):
3973
"""Apply the scenarios in scenarios to test and add to result.
3975
:param test: The test to apply scenarios to.
3976
:param scenarios: An iterable of scenarios to apply to test.
3978
:seealso: apply_scenario
3980
for scenario in scenarios:
3981
result.addTest(apply_scenario(test, scenario))
3985
def apply_scenario(test, scenario):
3986
"""Copy test and apply scenario to it.
3988
:param test: A test to adapt.
3989
:param scenario: A tuple describing the scenarion.
3990
The first element of the tuple is the new test id.
3991
The second element is a dict containing attributes to set on the
3993
:return: The adapted test.
3995
new_id = "%s(%s)" % (test.id(), scenario[0])
3996
new_test = clone_test(test, new_id)
3997
for name, value in scenario[1].items():
3998
setattr(new_test, name, value)
4002
def clone_test(test, new_id):
4003
"""Clone a test giving it a new id.
4005
:param test: The test to clone.
4006
:param new_id: The id to assign to it.
4007
:return: The new test.
4009
new_test = copy(test)
4010
new_test.id = lambda: new_id
4014
def permute_tests_for_extension(standard_tests, loader, py_module_name,
4016
"""Helper for permutating tests against an extension module.
4018
This is meant to be used inside a modules 'load_tests()' function. It will
4019
create 2 scenarios, and cause all tests in the 'standard_tests' to be run
4020
against both implementations. Setting 'test.module' to the appropriate
4021
module. See bzrlib.tests.test__chk_map.load_tests as an example.
4023
:param standard_tests: A test suite to permute
4024
:param loader: A TestLoader
4025
:param py_module_name: The python path to a python module that can always
4026
be loaded, and will be considered the 'python' implementation. (eg
4027
'bzrlib._chk_map_py')
4028
:param ext_module_name: The python path to an extension module. If the
4029
module cannot be loaded, a single test will be added, which notes that
4030
the module is not available. If it can be loaded, all standard_tests
4031
will be run against that module.
4032
:return: (suite, feature) suite is a test-suite that has all the permuted
4033
tests. feature is the Feature object that can be used to determine if
4034
the module is available.
4037
py_module = __import__(py_module_name, {}, {}, ['NO_SUCH_ATTRIB'])
4039
('python', {'module': py_module}),
4041
suite = loader.suiteClass()
4042
feature = ModuleAvailableFeature(ext_module_name)
4043
if feature.available():
4044
scenarios.append(('C', {'module': feature.module}))
4046
# the compiled module isn't available, so we add a failing test
4047
class FailWithoutFeature(TestCase):
4048
def test_fail(self):
4049
self.requireFeature(feature)
4050
suite.addTest(loader.loadTestsFromTestCase(FailWithoutFeature))
4051
result = multiply_tests(standard_tests, scenarios, suite)
4052
return result, feature
4055
def _rmtree_temp_dir(dirname, test_id=None):
4056
# If LANG=C we probably have created some bogus paths
4057
# which rmtree(unicode) will fail to delete
4058
# so make sure we are using rmtree(str) to delete everything
4059
# except on win32, where rmtree(str) will fail
4060
# since it doesn't have the property of byte-stream paths
4061
# (they are either ascii or mbcs)
4062
if sys.platform == 'win32':
4063
# make sure we are using the unicode win32 api
4064
dirname = unicode(dirname)
4066
dirname = dirname.encode(sys.getfilesystemencoding())
4068
osutils.rmtree(dirname)
4070
# We don't want to fail here because some useful display will be lost
4071
# otherwise. Polluting the tmp dir is bad, but not giving all the
4072
# possible info to the test runner is even worse.
4074
ui.ui_factory.clear_term()
4075
sys.stderr.write('\nWhile running: %s\n' % (test_id,))
4076
sys.stderr.write('Unable to remove testing dir %s\n%s'
4077
% (os.path.basename(dirname), e))
4080
class Feature(object):
4081
"""An operating system Feature."""
4084
self._available = None
4086
def available(self):
4087
"""Is the feature available?
4089
:return: True if the feature is available.
4091
if self._available is None:
4092
self._available = self._probe()
4093
return self._available
4096
"""Implement this method in concrete features.
4098
:return: True if the feature is available.
4100
raise NotImplementedError
4103
if getattr(self, 'feature_name', None):
4104
return self.feature_name()
4105
return self.__class__.__name__
4108
class _SymlinkFeature(Feature):
4111
return osutils.has_symlinks()
4113
def feature_name(self):
4116
SymlinkFeature = _SymlinkFeature()
4119
class _HardlinkFeature(Feature):
4122
return osutils.has_hardlinks()
4124
def feature_name(self):
4127
HardlinkFeature = _HardlinkFeature()
4130
class _OsFifoFeature(Feature):
4133
return getattr(os, 'mkfifo', None)
4135
def feature_name(self):
4136
return 'filesystem fifos'
4138
OsFifoFeature = _OsFifoFeature()
4141
class _UnicodeFilenameFeature(Feature):
4142
"""Does the filesystem support Unicode filenames?"""
4146
# Check for character combinations unlikely to be covered by any
4147
# single non-unicode encoding. We use the characters
4148
# - greek small letter alpha (U+03B1) and
4149
# - braille pattern dots-123456 (U+283F).
4150
os.stat(u'\u03b1\u283f')
4151
except UnicodeEncodeError:
4153
except (IOError, OSError):
4154
# The filesystem allows the Unicode filename but the file doesn't
4158
# The filesystem allows the Unicode filename and the file exists,
4162
UnicodeFilenameFeature = _UnicodeFilenameFeature()
4165
class _CompatabilityThunkFeature(Feature):
4166
"""This feature is just a thunk to another feature.
4168
It issues a deprecation warning if it is accessed, to let you know that you
4169
should really use a different feature.
4172
def __init__(self, dep_version, module, name,
4173
replacement_name, replacement_module=None):
4174
super(_CompatabilityThunkFeature, self).__init__()
4175
self._module = module
4176
if replacement_module is None:
4177
replacement_module = module
4178
self._replacement_module = replacement_module
4180
self._replacement_name = replacement_name
4181
self._dep_version = dep_version
4182
self._feature = None
4185
if self._feature is None:
4186
depr_msg = self._dep_version % ('%s.%s'
4187
% (self._module, self._name))
4188
use_msg = ' Use %s.%s instead.' % (self._replacement_module,
4189
self._replacement_name)
4190
symbol_versioning.warn(depr_msg + use_msg, DeprecationWarning)
4191
# Import the new feature and use it as a replacement for the
4193
mod = __import__(self._replacement_module, {}, {},
4194
[self._replacement_name])
4195
self._feature = getattr(mod, self._replacement_name)
4199
return self._feature._probe()
4202
class ModuleAvailableFeature(Feature):
4203
"""This is a feature than describes a module we want to be available.
4205
Declare the name of the module in __init__(), and then after probing, the
4206
module will be available as 'self.module'.
4208
:ivar module: The module if it is available, else None.
4211
def __init__(self, module_name):
4212
super(ModuleAvailableFeature, self).__init__()
4213
self.module_name = module_name
4217
self._module = __import__(self.module_name, {}, {}, [''])
4224
if self.available(): # Make sure the probe has been done
4228
def feature_name(self):
4229
return self.module_name
4232
# This is kept here for compatibility, it is recommended to use
4233
# 'bzrlib.tests.feature.paramiko' instead
4234
ParamikoFeature = _CompatabilityThunkFeature(
4235
deprecated_in((2,1,0)),
4236
'bzrlib.tests.features', 'ParamikoFeature', 'paramiko')
4239
def probe_unicode_in_user_encoding():
4240
"""Try to encode several unicode strings to use in unicode-aware tests.
4241
Return first successfull match.
4243
:return: (unicode value, encoded plain string value) or (None, None)
4245
possible_vals = [u'm\xb5', u'\xe1', u'\u0410']
4246
for uni_val in possible_vals:
4248
str_val = uni_val.encode(osutils.get_user_encoding())
4249
except UnicodeEncodeError:
4250
# Try a different character
4253
return uni_val, str_val
4257
def probe_bad_non_ascii(encoding):
4258
"""Try to find [bad] character with code [128..255]
4259
that cannot be decoded to unicode in some encoding.
4260
Return None if all non-ascii characters is valid
4263
for i in xrange(128, 256):
4266
char.decode(encoding)
4267
except UnicodeDecodeError:
4272
class _HTTPSServerFeature(Feature):
4273
"""Some tests want an https Server, check if one is available.
4275
Right now, the only way this is available is under python2.6 which provides
4286
def feature_name(self):
4287
return 'HTTPSServer'
4290
HTTPSServerFeature = _HTTPSServerFeature()
4293
class _UnicodeFilename(Feature):
4294
"""Does the filesystem support Unicode filenames?"""
4299
except UnicodeEncodeError:
4301
except (IOError, OSError):
4302
# The filesystem allows the Unicode filename but the file doesn't
4306
# The filesystem allows the Unicode filename and the file exists,
4310
UnicodeFilename = _UnicodeFilename()
4313
class _UTF8Filesystem(Feature):
4314
"""Is the filesystem UTF-8?"""
4317
if osutils._fs_enc.upper() in ('UTF-8', 'UTF8'):
4321
UTF8Filesystem = _UTF8Filesystem()
4324
class _BreakinFeature(Feature):
4325
"""Does this platform support the breakin feature?"""
4328
from bzrlib import breakin
4329
if breakin.determine_signal() is None:
4331
if sys.platform == 'win32':
4332
# Windows doesn't have os.kill, and we catch the SIGBREAK signal.
4333
# We trigger SIGBREAK via a Console api so we need ctypes to
4334
# access the function
4341
def feature_name(self):
4342
return "SIGQUIT or SIGBREAK w/ctypes on win32"
4345
BreakinFeature = _BreakinFeature()
4348
class _CaseInsCasePresFilenameFeature(Feature):
4349
"""Is the file-system case insensitive, but case-preserving?"""
4352
fileno, name = tempfile.mkstemp(prefix='MixedCase')
4354
# first check truly case-preserving for created files, then check
4355
# case insensitive when opening existing files.
4356
name = osutils.normpath(name)
4357
base, rel = osutils.split(name)
4358
found_rel = osutils.canonical_relpath(base, name)
4359
return (found_rel == rel
4360
and os.path.isfile(name.upper())
4361
and os.path.isfile(name.lower()))
4366
def feature_name(self):
4367
return "case-insensitive case-preserving filesystem"
4369
CaseInsCasePresFilenameFeature = _CaseInsCasePresFilenameFeature()
4372
class _CaseInsensitiveFilesystemFeature(Feature):
4373
"""Check if underlying filesystem is case-insensitive but *not* case
4376
# Note that on Windows, Cygwin, MacOS etc, the file-systems are far
4377
# more likely to be case preserving, so this case is rare.
4380
if CaseInsCasePresFilenameFeature.available():
4383
if TestCaseWithMemoryTransport.TEST_ROOT is None:
4384
root = osutils.mkdtemp(prefix='testbzr-', suffix='.tmp')
4385
TestCaseWithMemoryTransport.TEST_ROOT = root
4387
root = TestCaseWithMemoryTransport.TEST_ROOT
4388
tdir = osutils.mkdtemp(prefix='case-sensitive-probe-', suffix='',
4390
name_a = osutils.pathjoin(tdir, 'a')
4391
name_A = osutils.pathjoin(tdir, 'A')
4393
result = osutils.isdir(name_A)
4394
_rmtree_temp_dir(tdir)
4397
def feature_name(self):
4398
return 'case-insensitive filesystem'
4400
CaseInsensitiveFilesystemFeature = _CaseInsensitiveFilesystemFeature()
4403
class _CaseSensitiveFilesystemFeature(Feature):
4406
if CaseInsCasePresFilenameFeature.available():
4408
elif CaseInsensitiveFilesystemFeature.available():
4413
def feature_name(self):
4414
return 'case-sensitive filesystem'
4416
# new coding style is for feature instances to be lowercase
4417
case_sensitive_filesystem_feature = _CaseSensitiveFilesystemFeature()
4420
# Kept for compatibility, use bzrlib.tests.features.subunit instead
4421
SubUnitFeature = _CompatabilityThunkFeature(
4422
deprecated_in((2,1,0)),
4423
'bzrlib.tests.features', 'SubUnitFeature', 'subunit')
4424
# Only define SubUnitBzrRunner if subunit is available.
4426
from subunit import TestProtocolClient
4427
from subunit.test_results import AutoTimingTestResultDecorator
4428
class SubUnitBzrRunner(TextTestRunner):
4429
def run(self, test):
4430
result = AutoTimingTestResultDecorator(
4431
TestProtocolClient(self.stream))
added
removed
bzrlib/tests/__init__.py
