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# Copyright (C) 2005, 2006, 2007, 2008, 2009 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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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 get_transport, pathfilter
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import bzrlib.transport
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from bzrlib.transport.local import LocalURLServer
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from bzrlib.transport.memory import MemoryServer
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from bzrlib.transport.readonly import ReadonlyServer
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from bzrlib.trace import mutter, note
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from bzrlib.tests import TestUtil
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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 = LocalURLServer
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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 _extractBenchmarkTime(self, testCase):
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"""Add a benchmark time for the current test case."""
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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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'testing: %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):
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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)
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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 printErrorList(self, flavour, errors):
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for test, err in errors:
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self.stream.writeln(self.separator1)
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self.stream.write("%s: " % flavour)
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self.stream.writeln(self.getDescription(test))
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if getattr(test, '_get_log', None) is not None:
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log_contents = test._get_log()
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self.stream.write('\n')
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('vvvv[log from %s]' % test.id()).ljust(78,'-'))
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self.stream.write('\n')
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self.stream.write(log_contents)
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self.stream.write('\n')
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('^^^^[log from %s]' % test.id()).ljust(78,'-'))
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self.stream.write('\n')
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self.stream.writeln(self.separator2)
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self.stream.writeln("%s" % err)
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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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a += ', %d err' % self.error_count
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if self.failure_count:
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a += ', %d fail' % self.failure_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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ui.ui_factory.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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ui.ui_factory.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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ui.ui_factory.note('XFAIL: %s\n%s\n' % (
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self._test_description(test), err[1]))
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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 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 space
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self.stream.write(self._ellipsize_to_right(name,
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osutils.terminal_width()-18))
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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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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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if isinstance(test, testtools.ConcurrentTestSuite):
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# We need to catch bzr specific behaviors
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result = BZRTransformingResult(result)
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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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class TestSkipped(Exception):
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"""Indicates that a test was intentionally skipped, rather than failing."""
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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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class KnownFailure(AssertionError):
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"""Indicates that a test failed in a precisely expected manner.
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Such failures dont block the whole test suite from passing because they are
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indicators of partially completed code or of future work. We have an
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explicit error for them so that we can ensure that they are always visible:
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KnownFailures are always shown in the output of bzr selftest.
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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 CommandFailed(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(unittest.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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_keep_log_file = False
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# record lsprof data when performing benchmark calls.
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_gather_lsprof_in_benchmarks = False
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attrs_to_keep = ('id', '_testMethodName', '_testMethodDoc',
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'_log_contents', '_log_file_name', '_benchtime',
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'_TestCase__testMethodName', '_TestCase__testMethodDoc',)
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def __init__(self, methodName='testMethod'):
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super(TestCase, self).__init__(methodName)
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self._bzr_test_setUp_run = False
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self._bzr_test_tearDown_run = False
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self._directory_isolation = True
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unittest.TestCase.setUp(self)
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self._bzr_test_setUp_run = 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)
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pdb.Pdb().set_trace(sys._getframe().f_back)
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def _check_leaked_threads(self):
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active = threading.activeCount()
823
leaked_threads = active - TestCase._active_threads
824
TestCase._active_threads = active
825
# If some tests make the number of threads *decrease*, we'll consider
826
# that they are just observing old threads dieing, not agressively kill
827
# random threads. So we don't report these tests as leaking. The risk
828
# is that we have false positives that way (the test see 2 threads
829
# going away but leak one) but it seems less likely than the actual
830
# false positives (the test see threads going away and does not leak).
831
if leaked_threads > 0:
832
TestCase._leaking_threads_tests += 1
833
if TestCase._first_thread_leaker_id is None:
834
TestCase._first_thread_leaker_id = self.id()
836
def _clear_debug_flags(self):
837
"""Prevent externally set debug flags affecting tests.
839
Tests that want to use debug flags can just set them in the
840
debug_flags set during setup/teardown.
842
self._preserved_debug_flags = set(debug.debug_flags)
843
if 'allow_debug' not in selftest_debug_flags:
844
debug.debug_flags.clear()
845
if 'disable_lock_checks' not in selftest_debug_flags:
846
debug.debug_flags.add('strict_locks')
847
self.addCleanup(self._restore_debug_flags)
849
def _clear_hooks(self):
850
# prevent hooks affecting tests
851
self._preserved_hooks = {}
852
for key, factory in hooks.known_hooks.items():
853
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
854
current_hooks = hooks.known_hooks_key_to_object(key)
855
self._preserved_hooks[parent] = (name, current_hooks)
856
self.addCleanup(self._restoreHooks)
857
for key, factory in hooks.known_hooks.items():
858
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
859
setattr(parent, name, factory())
860
# this hook should always be installed
861
request._install_hook()
863
def disable_directory_isolation(self):
864
"""Turn off directory isolation checks."""
865
self._directory_isolation = False
867
def enable_directory_isolation(self):
868
"""Enable directory isolation checks."""
869
self._directory_isolation = True
871
def _silenceUI(self):
872
"""Turn off UI for duration of test"""
873
# by default the UI is off; tests can turn it on if they want it.
874
saved = ui.ui_factory
876
ui.ui_factory = saved
877
ui.ui_factory = ui.SilentUIFactory()
878
self.addCleanup(_restore)
880
def _check_locks(self):
881
"""Check that all lock take/release actions have been paired."""
882
# We always check for mismatched locks. If a mismatch is found, we
883
# fail unless -Edisable_lock_checks is supplied to selftest, in which
884
# case we just print a warning.
886
acquired_locks = [lock for action, lock in self._lock_actions
887
if action == 'acquired']
888
released_locks = [lock for action, lock in self._lock_actions
889
if action == 'released']
890
broken_locks = [lock for action, lock in self._lock_actions
891
if action == 'broken']
892
# trivially, given the tests for lock acquistion and release, if we
893
# have as many in each list, it should be ok. Some lock tests also
894
# break some locks on purpose and should be taken into account by
895
# considering that breaking a lock is just a dirty way of releasing it.
896
if len(acquired_locks) != (len(released_locks) + len(broken_locks)):
897
message = ('Different number of acquired and '
898
'released or broken locks. (%s, %s + %s)' %
899
(acquired_locks, released_locks, broken_locks))
900
if not self._lock_check_thorough:
901
# Rather than fail, just warn
902
print "Broken test %s: %s" % (self, message)
906
def _track_locks(self):
907
"""Track lock activity during tests."""
908
self._lock_actions = []
909
if 'disable_lock_checks' in selftest_debug_flags:
910
self._lock_check_thorough = False
912
self._lock_check_thorough = True
914
self.addCleanup(self._check_locks)
915
_mod_lock.Lock.hooks.install_named_hook('lock_acquired',
916
self._lock_acquired, None)
917
_mod_lock.Lock.hooks.install_named_hook('lock_released',
918
self._lock_released, None)
919
_mod_lock.Lock.hooks.install_named_hook('lock_broken',
920
self._lock_broken, None)
922
def _lock_acquired(self, result):
923
self._lock_actions.append(('acquired', result))
925
def _lock_released(self, result):
926
self._lock_actions.append(('released', result))
928
def _lock_broken(self, result):
929
self._lock_actions.append(('broken', result))
931
def permit_dir(self, name):
932
"""Permit a directory to be used by this test. See permit_url."""
933
name_transport = get_transport(name)
934
self.permit_url(name)
935
self.permit_url(name_transport.base)
937
def permit_url(self, url):
938
"""Declare that url is an ok url to use in this test.
940
Do this for memory transports, temporary test directory etc.
942
Do not do this for the current working directory, /tmp, or any other
943
preexisting non isolated url.
945
if not url.endswith('/'):
947
self._bzr_selftest_roots.append(url)
949
def permit_source_tree_branch_repo(self):
950
"""Permit the source tree bzr is running from to be opened.
952
Some code such as bzrlib.version attempts to read from the bzr branch
953
that bzr is executing from (if any). This method permits that directory
954
to be used in the test suite.
956
path = self.get_source_path()
957
self.record_directory_isolation()
960
workingtree.WorkingTree.open(path)
961
except (errors.NotBranchError, errors.NoWorkingTree):
964
self.enable_directory_isolation()
966
def _preopen_isolate_transport(self, transport):
967
"""Check that all transport openings are done in the test work area."""
968
while isinstance(transport, pathfilter.PathFilteringTransport):
969
# Unwrap pathfiltered transports
970
transport = transport.server.backing_transport.clone(
971
transport._filter('.'))
973
# ReadonlySmartTCPServer_for_testing decorates the backing transport
974
# urls it is given by prepending readonly+. This is appropriate as the
975
# client shouldn't know that the server is readonly (or not readonly).
976
# We could register all servers twice, with readonly+ prepending, but
977
# that makes for a long list; this is about the same but easier to
979
if url.startswith('readonly+'):
980
url = url[len('readonly+'):]
981
self._preopen_isolate_url(url)
983
def _preopen_isolate_url(self, url):
984
if not self._directory_isolation:
986
if self._directory_isolation == 'record':
987
self._bzr_selftest_roots.append(url)
989
# This prevents all transports, including e.g. sftp ones backed on disk
990
# from working unless they are explicitly granted permission. We then
991
# depend on the code that sets up test transports to check that they are
992
# appropriately isolated and enable their use by calling
993
# self.permit_transport()
994
if not osutils.is_inside_any(self._bzr_selftest_roots, url):
995
raise errors.BzrError("Attempt to escape test isolation: %r %r"
996
% (url, self._bzr_selftest_roots))
998
def record_directory_isolation(self):
999
"""Gather accessed directories to permit later access.
1001
This is used for tests that access the branch bzr is running from.
1003
self._directory_isolation = "record"
1005
def start_server(self, transport_server, backing_server=None):
1006
"""Start transport_server for this test.
1008
This starts the server, registers a cleanup for it and permits the
1009
server's urls to be used.
1011
if backing_server is None:
1012
transport_server.setUp()
1014
transport_server.setUp(backing_server)
1015
self.addCleanup(transport_server.tearDown)
1016
# Obtain a real transport because if the server supplies a password, it
1017
# will be hidden from the base on the client side.
1018
t = get_transport(transport_server.get_url())
1019
# Some transport servers effectively chroot the backing transport;
1020
# others like SFTPServer don't - users of the transport can walk up the
1021
# transport to read the entire backing transport. This wouldn't matter
1022
# except that the workdir tests are given - and that they expect the
1023
# server's url to point at - is one directory under the safety net. So
1024
# Branch operations into the transport will attempt to walk up one
1025
# directory. Chrooting all servers would avoid this but also mean that
1026
# we wouldn't be testing directly against non-root urls. Alternatively
1027
# getting the test framework to start the server with a backing server
1028
# at the actual safety net directory would work too, but this then
1029
# means that the self.get_url/self.get_transport methods would need
1030
# to transform all their results. On balance its cleaner to handle it
1031
# here, and permit a higher url when we have one of these transports.
1032
if t.base.endswith('/work/'):
1033
# we have safety net/test root/work
1034
t = t.clone('../..')
1035
elif isinstance(transport_server, server.SmartTCPServer_for_testing):
1036
# The smart server adds a path similar to work, which is traversed
1037
# up from by the client. But the server is chrooted - the actual
1038
# backing transport is not escaped from, and VFS requests to the
1039
# root will error (because they try to escape the chroot).
1041
while t2.base != t.base:
1044
self.permit_url(t.base)
1046
def _track_transports(self):
1047
"""Install checks for transport usage."""
1048
# TestCase has no safe place it can write to.
1049
self._bzr_selftest_roots = []
1050
# Currently the easiest way to be sure that nothing is going on is to
1051
# hook into bzr dir opening. This leaves a small window of error for
1052
# transport tests, but they are well known, and we can improve on this
1054
bzrdir.BzrDir.hooks.install_named_hook("pre_open",
1055
self._preopen_isolate_transport, "Check bzr directories are safe.")
1057
def _ndiff_strings(self, a, b):
1058
"""Return ndiff between two strings containing lines.
1060
A trailing newline is added if missing to make the strings
1062
if b and b[-1] != '\n':
1064
if a and a[-1] != '\n':
1066
difflines = difflib.ndiff(a.splitlines(True),
1068
linejunk=lambda x: False,
1069
charjunk=lambda x: False)
1070
return ''.join(difflines)
1072
def assertEqual(self, a, b, message=''):
1076
except UnicodeError, e:
1077
# If we can't compare without getting a UnicodeError, then
1078
# obviously they are different
1079
mutter('UnicodeError: %s', e)
1082
raise AssertionError("%snot equal:\na = %s\nb = %s\n"
1084
pformat(a), pformat(b)))
1086
assertEquals = assertEqual
1088
def assertEqualDiff(self, a, b, message=None):
1089
"""Assert two texts are equal, if not raise an exception.
1091
This is intended for use with multi-line strings where it can
1092
be hard to find the differences by eye.
1094
# TODO: perhaps override assertEquals to call this for strings?
1098
message = "texts not equal:\n"
1100
message = 'first string is missing a final newline.\n'
1102
message = 'second string is missing a final newline.\n'
1103
raise AssertionError(message +
1104
self._ndiff_strings(a, b))
1106
def assertEqualMode(self, mode, mode_test):
1107
self.assertEqual(mode, mode_test,
1108
'mode mismatch %o != %o' % (mode, mode_test))
1110
def assertEqualStat(self, expected, actual):
1111
"""assert that expected and actual are the same stat result.
1113
:param expected: A stat result.
1114
:param actual: A stat result.
1115
:raises AssertionError: If the expected and actual stat values differ
1116
other than by atime.
1118
self.assertEqual(expected.st_size, actual.st_size,
1119
'st_size did not match')
1120
self.assertEqual(expected.st_mtime, actual.st_mtime,
1121
'st_mtime did not match')
1122
self.assertEqual(expected.st_ctime, actual.st_ctime,
1123
'st_ctime did not match')
1124
if sys.platform != 'win32':
1125
# On Win32 both 'dev' and 'ino' cannot be trusted. In python2.4 it
1126
# is 'dev' that varies, in python 2.5 (6?) it is st_ino that is
1127
# odd. Regardless we shouldn't actually try to assert anything
1128
# about their values
1129
self.assertEqual(expected.st_dev, actual.st_dev,
1130
'st_dev did not match')
1131
self.assertEqual(expected.st_ino, actual.st_ino,
1132
'st_ino did not match')
1133
self.assertEqual(expected.st_mode, actual.st_mode,
1134
'st_mode did not match')
1136
def assertLength(self, length, obj_with_len):
1137
"""Assert that obj_with_len is of length length."""
1138
if len(obj_with_len) != length:
1139
self.fail("Incorrect length: wanted %d, got %d for %r" % (
1140
length, len(obj_with_len), obj_with_len))
1142
def assertLogsError(self, exception_class, func, *args, **kwargs):
1143
"""Assert that func(*args, **kwargs) quietly logs a specific exception.
1145
from bzrlib import trace
1147
orig_log_exception_quietly = trace.log_exception_quietly
1150
orig_log_exception_quietly()
1151
captured.append(sys.exc_info())
1152
trace.log_exception_quietly = capture
1153
func(*args, **kwargs)
1155
trace.log_exception_quietly = orig_log_exception_quietly
1156
self.assertLength(1, captured)
1157
err = captured[0][1]
1158
self.assertIsInstance(err, exception_class)
1161
def assertPositive(self, val):
1162
"""Assert that val is greater than 0."""
1163
self.assertTrue(val > 0, 'expected a positive value, but got %s' % val)
1165
def assertNegative(self, val):
1166
"""Assert that val is less than 0."""
1167
self.assertTrue(val < 0, 'expected a negative value, but got %s' % val)
1169
def assertStartsWith(self, s, prefix):
1170
if not s.startswith(prefix):
1171
raise AssertionError('string %r does not start with %r' % (s, prefix))
1173
def assertEndsWith(self, s, suffix):
1174
"""Asserts that s ends with suffix."""
1175
if not s.endswith(suffix):
1176
raise AssertionError('string %r does not end with %r' % (s, suffix))
1178
def assertContainsRe(self, haystack, needle_re, flags=0):
1179
"""Assert that a contains something matching a regular expression."""
1180
if not re.search(needle_re, haystack, flags):
1181
if '\n' in haystack or len(haystack) > 60:
1182
# a long string, format it in a more readable way
1183
raise AssertionError(
1184
'pattern "%s" not found in\n"""\\\n%s"""\n'
1185
% (needle_re, haystack))
1187
raise AssertionError('pattern "%s" not found in "%s"'
1188
% (needle_re, haystack))
1190
def assertNotContainsRe(self, haystack, needle_re, flags=0):
1191
"""Assert that a does not match a regular expression"""
1192
if re.search(needle_re, haystack, flags):
1193
raise AssertionError('pattern "%s" found in "%s"'
1194
% (needle_re, haystack))
1196
def assertSubset(self, sublist, superlist):
1197
"""Assert that every entry in sublist is present in superlist."""
1198
missing = set(sublist) - set(superlist)
1199
if len(missing) > 0:
1200
raise AssertionError("value(s) %r not present in container %r" %
1201
(missing, superlist))
1203
def assertListRaises(self, excClass, func, *args, **kwargs):
1204
"""Fail unless excClass is raised when the iterator from func is used.
1206
Many functions can return generators this makes sure
1207
to wrap them in a list() call to make sure the whole generator
1208
is run, and that the proper exception is raised.
1211
list(func(*args, **kwargs))
1215
if getattr(excClass,'__name__', None) is not None:
1216
excName = excClass.__name__
1218
excName = str(excClass)
1219
raise self.failureException, "%s not raised" % excName
1221
def assertRaises(self, excClass, callableObj, *args, **kwargs):
1222
"""Assert that a callable raises a particular exception.
1224
:param excClass: As for the except statement, this may be either an
1225
exception class, or a tuple of classes.
1226
:param callableObj: A callable, will be passed ``*args`` and
1229
Returns the exception so that you can examine it.
1232
callableObj(*args, **kwargs)
1236
if getattr(excClass,'__name__', None) is not None:
1237
excName = excClass.__name__
1240
excName = str(excClass)
1241
raise self.failureException, "%s not raised" % excName
1243
def assertIs(self, left, right, message=None):
1244
if not (left is right):
1245
if message is not None:
1246
raise AssertionError(message)
1248
raise AssertionError("%r is not %r." % (left, right))
1250
def assertIsNot(self, left, right, message=None):
1252
if message is not None:
1253
raise AssertionError(message)
1255
raise AssertionError("%r is %r." % (left, right))
1257
def assertTransportMode(self, transport, path, mode):
1258
"""Fail if a path does not have mode "mode".
1260
If modes are not supported on this transport, the assertion is ignored.
1262
if not transport._can_roundtrip_unix_modebits():
1264
path_stat = transport.stat(path)
1265
actual_mode = stat.S_IMODE(path_stat.st_mode)
1266
self.assertEqual(mode, actual_mode,
1267
'mode of %r incorrect (%s != %s)'
1268
% (path, oct(mode), oct(actual_mode)))
1270
def assertIsSameRealPath(self, path1, path2):
1271
"""Fail if path1 and path2 points to different files"""
1272
self.assertEqual(osutils.realpath(path1),
1273
osutils.realpath(path2),
1274
"apparent paths:\na = %s\nb = %s\n," % (path1, path2))
1276
def assertIsInstance(self, obj, kls, msg=None):
1277
"""Fail if obj is not an instance of kls
1279
:param msg: Supplementary message to show if the assertion fails.
1281
if not isinstance(obj, kls):
1282
m = "%r is an instance of %s rather than %s" % (
1283
obj, obj.__class__, kls)
1288
def expectFailure(self, reason, assertion, *args, **kwargs):
1289
"""Invoke a test, expecting it to fail for the given reason.
1291
This is for assertions that ought to succeed, but currently fail.
1292
(The failure is *expected* but not *wanted*.) Please be very precise
1293
about the failure you're expecting. If a new bug is introduced,
1294
AssertionError should be raised, not KnownFailure.
1296
Frequently, expectFailure should be followed by an opposite assertion.
1299
Intended to be used with a callable that raises AssertionError as the
1300
'assertion' parameter. args and kwargs are passed to the 'assertion'.
1302
Raises KnownFailure if the test fails. Raises AssertionError if the
1307
self.expectFailure('Math is broken', self.assertNotEqual, 54,
1309
self.assertEqual(42, dynamic_val)
1311
This means that a dynamic_val of 54 will cause the test to raise
1312
a KnownFailure. Once math is fixed and the expectFailure is removed,
1313
only a dynamic_val of 42 will allow the test to pass. Anything other
1314
than 54 or 42 will cause an AssertionError.
1317
assertion(*args, **kwargs)
1318
except AssertionError:
1319
raise KnownFailure(reason)
1321
self.fail('Unexpected success. Should have failed: %s' % reason)
1323
def assertFileEqual(self, content, path):
1324
"""Fail if path does not contain 'content'."""
1325
self.failUnlessExists(path)
1326
f = file(path, 'rb')
1331
self.assertEqualDiff(content, s)
1333
def failUnlessExists(self, path):
1334
"""Fail unless path or paths, which may be abs or relative, exist."""
1335
if not isinstance(path, basestring):
1337
self.failUnlessExists(p)
1339
self.failUnless(osutils.lexists(path),path+" does not exist")
1341
def failIfExists(self, path):
1342
"""Fail if path or paths, which may be abs or relative, exist."""
1343
if not isinstance(path, basestring):
1345
self.failIfExists(p)
1347
self.failIf(osutils.lexists(path),path+" exists")
1349
def _capture_deprecation_warnings(self, a_callable, *args, **kwargs):
1350
"""A helper for callDeprecated and applyDeprecated.
1352
:param a_callable: A callable to call.
1353
:param args: The positional arguments for the callable
1354
:param kwargs: The keyword arguments for the callable
1355
:return: A tuple (warnings, result). result is the result of calling
1356
a_callable(``*args``, ``**kwargs``).
1359
def capture_warnings(msg, cls=None, stacklevel=None):
1360
# we've hooked into a deprecation specific callpath,
1361
# only deprecations should getting sent via it.
1362
self.assertEqual(cls, DeprecationWarning)
1363
local_warnings.append(msg)
1364
original_warning_method = symbol_versioning.warn
1365
symbol_versioning.set_warning_method(capture_warnings)
1367
result = a_callable(*args, **kwargs)
1369
symbol_versioning.set_warning_method(original_warning_method)
1370
return (local_warnings, result)
1372
def applyDeprecated(self, deprecation_format, a_callable, *args, **kwargs):
1373
"""Call a deprecated callable without warning the user.
1375
Note that this only captures warnings raised by symbol_versioning.warn,
1376
not other callers that go direct to the warning module.
1378
To test that a deprecated method raises an error, do something like
1381
self.assertRaises(errors.ReservedId,
1382
self.applyDeprecated,
1383
deprecated_in((1, 5, 0)),
1387
:param deprecation_format: The deprecation format that the callable
1388
should have been deprecated with. This is the same type as the
1389
parameter to deprecated_method/deprecated_function. If the
1390
callable is not deprecated with this format, an assertion error
1392
:param a_callable: A callable to call. This may be a bound method or
1393
a regular function. It will be called with ``*args`` and
1395
:param args: The positional arguments for the callable
1396
:param kwargs: The keyword arguments for the callable
1397
:return: The result of a_callable(``*args``, ``**kwargs``)
1399
call_warnings, result = self._capture_deprecation_warnings(a_callable,
1401
expected_first_warning = symbol_versioning.deprecation_string(
1402
a_callable, deprecation_format)
1403
if len(call_warnings) == 0:
1404
self.fail("No deprecation warning generated by call to %s" %
1406
self.assertEqual(expected_first_warning, call_warnings[0])
1409
def callCatchWarnings(self, fn, *args, **kw):
1410
"""Call a callable that raises python warnings.
1412
The caller's responsible for examining the returned warnings.
1414
If the callable raises an exception, the exception is not
1415
caught and propagates up to the caller. In that case, the list
1416
of warnings is not available.
1418
:returns: ([warning_object, ...], fn_result)
1420
# XXX: This is not perfect, because it completely overrides the
1421
# warnings filters, and some code may depend on suppressing particular
1422
# warnings. It's the easiest way to insulate ourselves from -Werror,
1423
# though. -- Andrew, 20071062
1425
def _catcher(message, category, filename, lineno, file=None, line=None):
1426
# despite the name, 'message' is normally(?) a Warning subclass
1428
wlist.append(message)
1429
saved_showwarning = warnings.showwarning
1430
saved_filters = warnings.filters
1432
warnings.showwarning = _catcher
1433
warnings.filters = []
1434
result = fn(*args, **kw)
1436
warnings.showwarning = saved_showwarning
1437
warnings.filters = saved_filters
1438
return wlist, result
1440
def callDeprecated(self, expected, callable, *args, **kwargs):
1441
"""Assert that a callable is deprecated in a particular way.
1443
This is a very precise test for unusual requirements. The
1444
applyDeprecated helper function is probably more suited for most tests
1445
as it allows you to simply specify the deprecation format being used
1446
and will ensure that that is issued for the function being called.
1448
Note that this only captures warnings raised by symbol_versioning.warn,
1449
not other callers that go direct to the warning module. To catch
1450
general warnings, use callCatchWarnings.
1452
:param expected: a list of the deprecation warnings expected, in order
1453
:param callable: The callable to call
1454
:param args: The positional arguments for the callable
1455
:param kwargs: The keyword arguments for the callable
1457
call_warnings, result = self._capture_deprecation_warnings(callable,
1459
self.assertEqual(expected, call_warnings)
1462
def _startLogFile(self):
1463
"""Send bzr and test log messages to a temporary file.
1465
The file is removed as the test is torn down.
1467
fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
1468
self._log_file = os.fdopen(fileno, 'w+')
1469
self._log_memento = bzrlib.trace.push_log_file(self._log_file)
1470
self._log_file_name = name
1471
self.addCleanup(self._finishLogFile)
1473
def _finishLogFile(self):
1474
"""Finished with the log file.
1476
Close the file and delete it, unless setKeepLogfile was called.
1478
if self._log_file is None:
1480
bzrlib.trace.pop_log_file(self._log_memento)
1481
self._log_file.close()
1482
self._log_file = None
1483
if not self._keep_log_file:
1484
os.remove(self._log_file_name)
1485
self._log_file_name = None
1487
def setKeepLogfile(self):
1488
"""Make the logfile not be deleted when _finishLogFile is called."""
1489
self._keep_log_file = True
1491
def thisFailsStrictLockCheck(self):
1492
"""It is known that this test would fail with -Dstrict_locks.
1494
By default, all tests are run with strict lock checking unless
1495
-Edisable_lock_checks is supplied. However there are some tests which
1496
we know fail strict locks at this point that have not been fixed.
1497
They should call this function to disable the strict checking.
1499
This should be used sparingly, it is much better to fix the locking
1500
issues rather than papering over the problem by calling this function.
1502
debug.debug_flags.discard('strict_locks')
1504
def addCleanup(self, callable, *args, **kwargs):
1505
"""Arrange to run a callable when this case is torn down.
1507
Callables are run in the reverse of the order they are registered,
1508
ie last-in first-out.
1510
self._cleanups.append((callable, args, kwargs))
1512
def _cleanEnvironment(self):
1514
'BZR_HOME': None, # Don't inherit BZR_HOME to all the tests.
1515
'HOME': os.getcwd(),
1516
# bzr now uses the Win32 API and doesn't rely on APPDATA, but the
1517
# tests do check our impls match APPDATA
1518
'BZR_EDITOR': None, # test_msgeditor manipulates this variable
1522
'BZREMAIL': None, # may still be present in the environment
1524
'BZR_PROGRESS_BAR': None,
1526
'BZR_PLUGIN_PATH': None,
1527
'BZR_CONCURRENCY': None,
1528
# Make sure that any text ui tests are consistent regardless of
1529
# the environment the test case is run in; you may want tests that
1530
# test other combinations. 'dumb' is a reasonable guess for tests
1531
# going to a pipe or a StringIO.
1536
'SSH_AUTH_SOCK': None,
1540
'https_proxy': None,
1541
'HTTPS_PROXY': None,
1546
# Nobody cares about ftp_proxy, FTP_PROXY AFAIK. So far at
1547
# least. If you do (care), please update this comment
1551
'BZR_REMOTE_PATH': None,
1554
self.addCleanup(self._restoreEnvironment)
1555
for name, value in new_env.iteritems():
1556
self._captureVar(name, value)
1558
def _captureVar(self, name, newvalue):
1559
"""Set an environment variable, and reset it when finished."""
1560
self.__old_env[name] = osutils.set_or_unset_env(name, newvalue)
1562
def _restore_debug_flags(self):
1563
debug.debug_flags.clear()
1564
debug.debug_flags.update(self._preserved_debug_flags)
1566
def _restoreEnvironment(self):
1567
for name, value in self.__old_env.iteritems():
1568
osutils.set_or_unset_env(name, value)
1570
def _restoreHooks(self):
1571
for klass, (name, hooks) in self._preserved_hooks.items():
1572
setattr(klass, name, hooks)
1574
def knownFailure(self, reason):
1575
"""This test has failed for some known reason."""
1576
raise KnownFailure(reason)
1578
def _do_skip(self, result, reason):
1579
addSkip = getattr(result, 'addSkip', None)
1580
if not callable(addSkip):
1581
result.addSuccess(result)
1583
addSkip(self, reason)
1585
def _do_known_failure(self, result):
1586
err = sys.exc_info()
1587
addExpectedFailure = getattr(result, 'addExpectedFailure', None)
1588
if addExpectedFailure is not None:
1589
addExpectedFailure(self, err)
1591
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)
1604
def _do_unsupported_or_skip(self, result, reason):
1605
addNotSupported = getattr(result, 'addNotSupported', None)
1606
if addNotSupported is not None:
1607
result.addNotSupported(self, reason)
1609
self._do_skip(result, reason)
1611
def run(self, result=None):
1612
if result is None: result = self.defaultTestResult()
1613
result.startTest(self)
1618
result.stopTest(self)
1620
def _run(self, result):
1621
for feature in getattr(self, '_test_needs_features', []):
1622
if not feature.available():
1623
return self._do_unsupported_or_skip(result, feature)
1625
absent_attr = object()
1627
method_name = getattr(self, '_testMethodName', absent_attr)
1628
if method_name is absent_attr:
1630
method_name = getattr(self, '_TestCase__testMethodName')
1631
testMethod = getattr(self, method_name)
1635
if not self._bzr_test_setUp_run:
1637
"test setUp did not invoke "
1638
"bzrlib.tests.TestCase's setUp")
1639
except KeyboardInterrupt:
1642
except KnownFailure:
1643
self._do_known_failure(result)
1646
except TestNotApplicable, e:
1647
self._do_not_applicable(result, e)
1650
except TestSkipped, e:
1651
self._do_skip(result, e.args[0])
1654
except UnavailableFeature, e:
1655
self._do_unsupported_or_skip(result, e.args[0])
1659
result.addError(self, sys.exc_info())
1667
except KnownFailure:
1668
self._do_known_failure(result)
1669
except self.failureException:
1670
result.addFailure(self, sys.exc_info())
1671
except TestNotApplicable, e:
1672
self._do_not_applicable(result, e)
1673
except TestSkipped, e:
1675
reason = "No reason given."
1678
self._do_skip(result, reason)
1679
except UnavailableFeature, e:
1680
self._do_unsupported_or_skip(result, e.args[0])
1681
except KeyboardInterrupt:
1685
result.addError(self, sys.exc_info())
1689
if not self._bzr_test_tearDown_run:
1691
"test tearDown did not invoke "
1692
"bzrlib.tests.TestCase's tearDown")
1693
except KeyboardInterrupt:
1697
result.addError(self, sys.exc_info())
1700
if ok: result.addSuccess(self)
1702
except KeyboardInterrupt:
1707
for attr_name in self.attrs_to_keep:
1708
if attr_name in self.__dict__:
1709
saved_attrs[attr_name] = self.__dict__[attr_name]
1710
self.__dict__ = saved_attrs
1714
self._log_contents = ''
1715
self._bzr_test_tearDown_run = True
1716
unittest.TestCase.tearDown(self)
1718
def time(self, callable, *args, **kwargs):
1719
"""Run callable and accrue the time it takes to the benchmark time.
1721
If lsprofiling is enabled (i.e. by --lsprof-time to bzr selftest) then
1722
this will cause lsprofile statistics to be gathered and stored in
1725
if self._benchtime is None:
1729
if not self._gather_lsprof_in_benchmarks:
1730
return callable(*args, **kwargs)
1732
# record this benchmark
1733
ret, stats = bzrlib.lsprof.profile(callable, *args, **kwargs)
1735
self._benchcalls.append(((callable, args, kwargs), stats))
1738
self._benchtime += time.time() - start
1740
def _runCleanups(self):
1741
"""Run registered cleanup functions.
1743
This should only be called from TestCase.tearDown.
1745
# TODO: Perhaps this should keep running cleanups even if
1746
# one of them fails?
1748
# Actually pop the cleanups from the list so tearDown running
1749
# twice is safe (this happens for skipped tests).
1750
while self._cleanups:
1751
cleanup, args, kwargs = self._cleanups.pop()
1752
cleanup(*args, **kwargs)
1754
def log(self, *args):
1757
def _get_log(self, keep_log_file=False):
1758
"""Get the log from bzrlib.trace calls from this test.
1760
:param keep_log_file: When True, if the log is still a file on disk
1761
leave it as a file on disk. When False, if the log is still a file
1762
on disk, the log file is deleted and the log preserved as
1764
:return: A string containing the log.
1766
# flush the log file, to get all content
1768
if bzrlib.trace._trace_file:
1769
bzrlib.trace._trace_file.flush()
1770
if self._log_contents:
1771
# XXX: this can hardly contain the content flushed above --vila
1773
return self._log_contents
1774
if self._log_file_name is not None:
1775
logfile = open(self._log_file_name)
1777
log_contents = logfile.read()
1780
if not keep_log_file:
1781
self._log_contents = log_contents
1783
os.remove(self._log_file_name)
1785
if sys.platform == 'win32' and e.errno == errno.EACCES:
1786
sys.stderr.write(('Unable to delete log file '
1787
' %r\n' % self._log_file_name))
1792
return "DELETED log file to reduce memory footprint"
1794
def requireFeature(self, feature):
1795
"""This test requires a specific feature is available.
1797
:raises UnavailableFeature: When feature is not available.
1799
if not feature.available():
1800
raise UnavailableFeature(feature)
1802
def _run_bzr_autosplit(self, args, retcode, encoding, stdin,
1804
"""Run bazaar command line, splitting up a string command line."""
1805
if isinstance(args, basestring):
1806
# shlex don't understand unicode strings,
1807
# so args should be plain string (bialix 20070906)
1808
args = list(shlex.split(str(args)))
1809
return self._run_bzr_core(args, retcode=retcode,
1810
encoding=encoding, stdin=stdin, working_dir=working_dir,
1813
def _run_bzr_core(self, args, retcode, encoding, stdin,
1815
# Clear chk_map page cache, because the contents are likely to mask
1817
chk_map.clear_cache()
1818
if encoding is None:
1819
encoding = osutils.get_user_encoding()
1820
stdout = StringIOWrapper()
1821
stderr = StringIOWrapper()
1822
stdout.encoding = encoding
1823
stderr.encoding = encoding
1825
self.log('run bzr: %r', args)
1826
# FIXME: don't call into logging here
1827
handler = logging.StreamHandler(stderr)
1828
handler.setLevel(logging.INFO)
1829
logger = logging.getLogger('')
1830
logger.addHandler(handler)
1831
old_ui_factory = ui.ui_factory
1832
ui.ui_factory = TestUIFactory(stdin=stdin, stdout=stdout, stderr=stderr)
1835
if working_dir is not None:
1836
cwd = osutils.getcwd()
1837
os.chdir(working_dir)
1841
result = self.apply_redirected(ui.ui_factory.stdin,
1843
bzrlib.commands.run_bzr_catch_user_errors,
1845
except KeyboardInterrupt:
1846
# Reraise KeyboardInterrupt with contents of redirected stdout
1847
# and stderr as arguments, for tests which are interested in
1848
# stdout and stderr and are expecting the exception.
1849
out = stdout.getvalue()
1850
err = stderr.getvalue()
1852
self.log('output:\n%r', out)
1854
self.log('errors:\n%r', err)
1855
raise KeyboardInterrupt(out, err)
1857
logger.removeHandler(handler)
1858
ui.ui_factory = old_ui_factory
1862
out = stdout.getvalue()
1863
err = stderr.getvalue()
1865
self.log('output:\n%r', out)
1867
self.log('errors:\n%r', err)
1868
if retcode is not None:
1869
self.assertEquals(retcode, result,
1870
message='Unexpected return code')
1871
return result, out, err
1873
def run_bzr(self, args, retcode=0, encoding=None, stdin=None,
1874
working_dir=None, error_regexes=[], output_encoding=None):
1875
"""Invoke bzr, as if it were run from the command line.
1877
The argument list should not include the bzr program name - the
1878
first argument is normally the bzr command. Arguments may be
1879
passed in three ways:
1881
1- A list of strings, eg ["commit", "a"]. This is recommended
1882
when the command contains whitespace or metacharacters, or
1883
is built up at run time.
1885
2- A single string, eg "add a". This is the most convenient
1886
for hardcoded commands.
1888
This runs bzr through the interface that catches and reports
1889
errors, and with logging set to something approximating the
1890
default, so that error reporting can be checked.
1892
This should be the main method for tests that want to exercise the
1893
overall behavior of the bzr application (rather than a unit test
1894
or a functional test of the library.)
1896
This sends the stdout/stderr results into the test's log,
1897
where it may be useful for debugging. See also run_captured.
1899
:keyword stdin: A string to be used as stdin for the command.
1900
:keyword retcode: The status code the command should return;
1902
:keyword working_dir: The directory to run the command in
1903
:keyword error_regexes: A list of expected error messages. If
1904
specified they must be seen in the error output of the command.
1906
retcode, out, err = self._run_bzr_autosplit(
1911
working_dir=working_dir,
1913
self.assertIsInstance(error_regexes, (list, tuple))
1914
for regex in error_regexes:
1915
self.assertContainsRe(err, regex)
1918
def run_bzr_error(self, error_regexes, *args, **kwargs):
1919
"""Run bzr, and check that stderr contains the supplied regexes
1921
:param error_regexes: Sequence of regular expressions which
1922
must each be found in the error output. The relative ordering
1924
:param args: command-line arguments for bzr
1925
:param kwargs: Keyword arguments which are interpreted by run_bzr
1926
This function changes the default value of retcode to be 3,
1927
since in most cases this is run when you expect bzr to fail.
1929
:return: (out, err) The actual output of running the command (in case
1930
you want to do more inspection)
1934
# Make sure that commit is failing because there is nothing to do
1935
self.run_bzr_error(['no changes to commit'],
1936
['commit', '-m', 'my commit comment'])
1937
# Make sure --strict is handling an unknown file, rather than
1938
# giving us the 'nothing to do' error
1939
self.build_tree(['unknown'])
1940
self.run_bzr_error(['Commit refused because there are unknown files'],
1941
['commit', --strict', '-m', 'my commit comment'])
1943
kwargs.setdefault('retcode', 3)
1944
kwargs['error_regexes'] = error_regexes
1945
out, err = self.run_bzr(*args, **kwargs)
1948
def run_bzr_subprocess(self, *args, **kwargs):
1949
"""Run bzr in a subprocess for testing.
1951
This starts a new Python interpreter and runs bzr in there.
1952
This should only be used for tests that have a justifiable need for
1953
this isolation: e.g. they are testing startup time, or signal
1954
handling, or early startup code, etc. Subprocess code can't be
1955
profiled or debugged so easily.
1957
:keyword retcode: The status code that is expected. Defaults to 0. If
1958
None is supplied, the status code is not checked.
1959
:keyword env_changes: A dictionary which lists changes to environment
1960
variables. A value of None will unset the env variable.
1961
The values must be strings. The change will only occur in the
1962
child, so you don't need to fix the environment after running.
1963
:keyword universal_newlines: Convert CRLF => LF
1964
:keyword allow_plugins: By default the subprocess is run with
1965
--no-plugins to ensure test reproducibility. Also, it is possible
1966
for system-wide plugins to create unexpected output on stderr,
1967
which can cause unnecessary test failures.
1969
env_changes = kwargs.get('env_changes', {})
1970
working_dir = kwargs.get('working_dir', None)
1971
allow_plugins = kwargs.get('allow_plugins', False)
1973
if isinstance(args[0], list):
1975
elif isinstance(args[0], basestring):
1976
args = list(shlex.split(args[0]))
1978
raise ValueError("passing varargs to run_bzr_subprocess")
1979
process = self.start_bzr_subprocess(args, env_changes=env_changes,
1980
working_dir=working_dir,
1981
allow_plugins=allow_plugins)
1982
# We distinguish between retcode=None and retcode not passed.
1983
supplied_retcode = kwargs.get('retcode', 0)
1984
return self.finish_bzr_subprocess(process, retcode=supplied_retcode,
1985
universal_newlines=kwargs.get('universal_newlines', False),
1988
def start_bzr_subprocess(self, process_args, env_changes=None,
1989
skip_if_plan_to_signal=False,
1991
allow_plugins=False):
1992
"""Start bzr in a subprocess for testing.
1994
This starts a new Python interpreter and runs bzr in there.
1995
This should only be used for tests that have a justifiable need for
1996
this isolation: e.g. they are testing startup time, or signal
1997
handling, or early startup code, etc. Subprocess code can't be
1998
profiled or debugged so easily.
2000
:param process_args: a list of arguments to pass to the bzr executable,
2001
for example ``['--version']``.
2002
:param env_changes: A dictionary which lists changes to environment
2003
variables. A value of None will unset the env variable.
2004
The values must be strings. The change will only occur in the
2005
child, so you don't need to fix the environment after running.
2006
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
2008
:param allow_plugins: If False (default) pass --no-plugins to bzr.
2010
:returns: Popen object for the started process.
2012
if skip_if_plan_to_signal:
2013
if not getattr(os, 'kill', None):
2014
raise TestSkipped("os.kill not available.")
2016
if env_changes is None:
2020
def cleanup_environment():
2021
for env_var, value in env_changes.iteritems():
2022
old_env[env_var] = osutils.set_or_unset_env(env_var, value)
2024
def restore_environment():
2025
for env_var, value in old_env.iteritems():
2026
osutils.set_or_unset_env(env_var, value)
2028
bzr_path = self.get_bzr_path()
2031
if working_dir is not None:
2032
cwd = osutils.getcwd()
2033
os.chdir(working_dir)
2036
# win32 subprocess doesn't support preexec_fn
2037
# so we will avoid using it on all platforms, just to
2038
# make sure the code path is used, and we don't break on win32
2039
cleanup_environment()
2040
command = [sys.executable]
2041
# frozen executables don't need the path to bzr
2042
if getattr(sys, "frozen", None) is None:
2043
command.append(bzr_path)
2044
if not allow_plugins:
2045
command.append('--no-plugins')
2046
command.extend(process_args)
2047
process = self._popen(command, stdin=PIPE, stdout=PIPE, stderr=PIPE)
2049
restore_environment()
2055
def _popen(self, *args, **kwargs):
2056
"""Place a call to Popen.
2058
Allows tests to override this method to intercept the calls made to
2059
Popen for introspection.
2061
return Popen(*args, **kwargs)
2063
def get_source_path(self):
2064
"""Return the path of the directory containing bzrlib."""
2065
return os.path.dirname(os.path.dirname(bzrlib.__file__))
2067
def get_bzr_path(self):
2068
"""Return the path of the 'bzr' executable for this test suite."""
2069
bzr_path = self.get_source_path()+'/bzr'
2070
if not os.path.isfile(bzr_path):
2071
# We are probably installed. Assume sys.argv is the right file
2072
bzr_path = sys.argv[0]
2075
def finish_bzr_subprocess(self, process, retcode=0, send_signal=None,
2076
universal_newlines=False, process_args=None):
2077
"""Finish the execution of process.
2079
:param process: the Popen object returned from start_bzr_subprocess.
2080
:param retcode: The status code that is expected. Defaults to 0. If
2081
None is supplied, the status code is not checked.
2082
:param send_signal: an optional signal to send to the process.
2083
:param universal_newlines: Convert CRLF => LF
2084
:returns: (stdout, stderr)
2086
if send_signal is not None:
2087
os.kill(process.pid, send_signal)
2088
out, err = process.communicate()
2090
if universal_newlines:
2091
out = out.replace('\r\n', '\n')
2092
err = err.replace('\r\n', '\n')
2094
if retcode is not None and retcode != process.returncode:
2095
if process_args is None:
2096
process_args = "(unknown args)"
2097
mutter('Output of bzr %s:\n%s', process_args, out)
2098
mutter('Error for bzr %s:\n%s', process_args, err)
2099
self.fail('Command bzr %s failed with retcode %s != %s'
2100
% (process_args, retcode, process.returncode))
2103
def check_inventory_shape(self, inv, shape):
2104
"""Compare an inventory to a list of expected names.
2106
Fail if they are not precisely equal.
2109
shape = list(shape) # copy
2110
for path, ie in inv.entries():
2111
name = path.replace('\\', '/')
2112
if ie.kind == 'directory':
2119
self.fail("expected paths not found in inventory: %r" % shape)
2121
self.fail("unexpected paths found in inventory: %r" % extras)
2123
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
2124
a_callable=None, *args, **kwargs):
2125
"""Call callable with redirected std io pipes.
2127
Returns the return code."""
2128
if not callable(a_callable):
2129
raise ValueError("a_callable must be callable.")
2131
stdin = StringIO("")
2133
if getattr(self, "_log_file", None) is not None:
2134
stdout = self._log_file
2138
if getattr(self, "_log_file", None is not None):
2139
stderr = self._log_file
2142
real_stdin = sys.stdin
2143
real_stdout = sys.stdout
2144
real_stderr = sys.stderr
2149
return a_callable(*args, **kwargs)
2151
sys.stdout = real_stdout
2152
sys.stderr = real_stderr
2153
sys.stdin = real_stdin
2155
def reduceLockdirTimeout(self):
2156
"""Reduce the default lock timeout for the duration of the test, so that
2157
if LockContention occurs during a test, it does so quickly.
2159
Tests that expect to provoke LockContention errors should call this.
2161
orig_timeout = bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS
2163
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = orig_timeout
2164
self.addCleanup(resetTimeout)
2165
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = 0
2167
def make_utf8_encoded_stringio(self, encoding_type=None):
2168
"""Return a StringIOWrapper instance, that will encode Unicode
2171
if encoding_type is None:
2172
encoding_type = 'strict'
2174
output_encoding = 'utf-8'
2175
sio = codecs.getwriter(output_encoding)(sio, errors=encoding_type)
2176
sio.encoding = output_encoding
2179
def disable_verb(self, verb):
2180
"""Disable a smart server verb for one test."""
2181
from bzrlib.smart import request
2182
request_handlers = request.request_handlers
2183
orig_method = request_handlers.get(verb)
2184
request_handlers.remove(verb)
2186
request_handlers.register(verb, orig_method)
2187
self.addCleanup(restoreVerb)
2190
class CapturedCall(object):
2191
"""A helper for capturing smart server calls for easy debug analysis."""
2193
def __init__(self, params, prefix_length):
2194
"""Capture the call with params and skip prefix_length stack frames."""
2197
# The last 5 frames are the __init__, the hook frame, and 3 smart
2198
# client frames. Beyond this we could get more clever, but this is good
2200
stack = traceback.extract_stack()[prefix_length:-5]
2201
self.stack = ''.join(traceback.format_list(stack))
2204
return self.call.method
2207
return self.call.method
2213
class TestCaseWithMemoryTransport(TestCase):
2214
"""Common test class for tests that do not need disk resources.
2216
Tests that need disk resources should derive from TestCaseWithTransport.
2218
TestCaseWithMemoryTransport sets the TEST_ROOT variable for all bzr tests.
2220
For TestCaseWithMemoryTransport the test_home_dir is set to the name of
2221
a directory which does not exist. This serves to help ensure test isolation
2222
is preserved. test_dir is set to the TEST_ROOT, as is cwd, because they
2223
must exist. However, TestCaseWithMemoryTransport does not offer local
2224
file defaults for the transport in tests, nor does it obey the command line
2225
override, so tests that accidentally write to the common directory should
2228
:cvar TEST_ROOT: Directory containing all temporary directories, plus
2229
a .bzr directory that stops us ascending higher into the filesystem.
2235
def __init__(self, methodName='runTest'):
2236
# allow test parameterization after test construction and before test
2237
# execution. Variables that the parameterizer sets need to be
2238
# ones that are not set by setUp, or setUp will trash them.
2239
super(TestCaseWithMemoryTransport, self).__init__(methodName)
2240
self.vfs_transport_factory = default_transport
2241
self.transport_server = None
2242
self.transport_readonly_server = None
2243
self.__vfs_server = None
2245
def get_transport(self, relpath=None):
2246
"""Return a writeable transport.
2248
This transport is for the test scratch space relative to
2251
:param relpath: a path relative to the base url.
2253
t = get_transport(self.get_url(relpath))
2254
self.assertFalse(t.is_readonly())
2257
def get_readonly_transport(self, relpath=None):
2258
"""Return a readonly transport for the test scratch space
2260
This can be used to test that operations which should only need
2261
readonly access in fact do not try to write.
2263
:param relpath: a path relative to the base url.
2265
t = get_transport(self.get_readonly_url(relpath))
2266
self.assertTrue(t.is_readonly())
2269
def create_transport_readonly_server(self):
2270
"""Create a transport server from class defined at init.
2272
This is mostly a hook for daughter classes.
2274
return self.transport_readonly_server()
2276
def get_readonly_server(self):
2277
"""Get the server instance for the readonly transport
2279
This is useful for some tests with specific servers to do diagnostics.
2281
if self.__readonly_server is None:
2282
if self.transport_readonly_server is None:
2283
# readonly decorator requested
2284
self.__readonly_server = ReadonlyServer()
2286
# explicit readonly transport.
2287
self.__readonly_server = self.create_transport_readonly_server()
2288
self.start_server(self.__readonly_server,
2289
self.get_vfs_only_server())
2290
return self.__readonly_server
2292
def get_readonly_url(self, relpath=None):
2293
"""Get a URL for the readonly transport.
2295
This will either be backed by '.' or a decorator to the transport
2296
used by self.get_url()
2297
relpath provides for clients to get a path relative to the base url.
2298
These should only be downwards relative, not upwards.
2300
base = self.get_readonly_server().get_url()
2301
return self._adjust_url(base, relpath)
2303
def get_vfs_only_server(self):
2304
"""Get the vfs only read/write server instance.
2306
This is useful for some tests with specific servers that need
2309
For TestCaseWithMemoryTransport this is always a MemoryServer, and there
2310
is no means to override it.
2312
if self.__vfs_server is None:
2313
self.__vfs_server = MemoryServer()
2314
self.start_server(self.__vfs_server)
2315
return self.__vfs_server
2317
def get_server(self):
2318
"""Get the read/write server instance.
2320
This is useful for some tests with specific servers that need
2323
This is built from the self.transport_server factory. If that is None,
2324
then the self.get_vfs_server is returned.
2326
if self.__server is None:
2327
if (self.transport_server is None or self.transport_server is
2328
self.vfs_transport_factory):
2329
self.__server = self.get_vfs_only_server()
2331
# bring up a decorated means of access to the vfs only server.
2332
self.__server = self.transport_server()
2333
self.start_server(self.__server, self.get_vfs_only_server())
2334
return self.__server
2336
def _adjust_url(self, base, relpath):
2337
"""Get a URL (or maybe a path) for the readwrite transport.
2339
This will either be backed by '.' or to an equivalent non-file based
2341
relpath provides for clients to get a path relative to the base url.
2342
These should only be downwards relative, not upwards.
2344
if relpath is not None and relpath != '.':
2345
if not base.endswith('/'):
2347
# XXX: Really base should be a url; we did after all call
2348
# get_url()! But sometimes it's just a path (from
2349
# LocalAbspathServer), and it'd be wrong to append urlescaped data
2350
# to a non-escaped local path.
2351
if base.startswith('./') or base.startswith('/'):
2354
base += urlutils.escape(relpath)
2357
def get_url(self, relpath=None):
2358
"""Get a URL (or maybe a path) for the readwrite transport.
2360
This will either be backed by '.' or to an equivalent non-file based
2362
relpath provides for clients to get a path relative to the base url.
2363
These should only be downwards relative, not upwards.
2365
base = self.get_server().get_url()
2366
return self._adjust_url(base, relpath)
2368
def get_vfs_only_url(self, relpath=None):
2369
"""Get a URL (or maybe a path for the plain old vfs transport.
2371
This will never be a smart protocol. It always has all the
2372
capabilities of the local filesystem, but it might actually be a
2373
MemoryTransport or some other similar virtual filesystem.
2375
This is the backing transport (if any) of the server returned by
2376
get_url and get_readonly_url.
2378
:param relpath: provides for clients to get a path relative to the base
2379
url. These should only be downwards relative, not upwards.
2382
base = self.get_vfs_only_server().get_url()
2383
return self._adjust_url(base, relpath)
2385
def _create_safety_net(self):
2386
"""Make a fake bzr directory.
2388
This prevents any tests propagating up onto the TEST_ROOT directory's
2391
root = TestCaseWithMemoryTransport.TEST_ROOT
2392
bzrdir.BzrDir.create_standalone_workingtree(root)
2394
def _check_safety_net(self):
2395
"""Check that the safety .bzr directory have not been touched.
2397
_make_test_root have created a .bzr directory to prevent tests from
2398
propagating. This method ensures than a test did not leaked.
2400
root = TestCaseWithMemoryTransport.TEST_ROOT
2401
self.permit_url(get_transport(root).base)
2402
wt = workingtree.WorkingTree.open(root)
2403
last_rev = wt.last_revision()
2404
if last_rev != 'null:':
2405
# The current test have modified the /bzr directory, we need to
2406
# recreate a new one or all the followng tests will fail.
2407
# If you need to inspect its content uncomment the following line
2408
# import pdb; pdb.set_trace()
2409
_rmtree_temp_dir(root + '/.bzr', test_id=self.id())
2410
self._create_safety_net()
2411
raise AssertionError('%s/.bzr should not be modified' % root)
2413
def _make_test_root(self):
2414
if TestCaseWithMemoryTransport.TEST_ROOT is None:
2415
# Watch out for tricky test dir (on OSX /tmp -> /private/tmp)
2416
root = osutils.realpath(osutils.mkdtemp(prefix='testbzr-',
2418
TestCaseWithMemoryTransport.TEST_ROOT = root
2420
self._create_safety_net()
2422
# The same directory is used by all tests, and we're not
2423
# specifically told when all tests are finished. This will do.
2424
atexit.register(_rmtree_temp_dir, root)
2426
self.permit_dir(TestCaseWithMemoryTransport.TEST_ROOT)
2427
self.addCleanup(self._check_safety_net)
2429
def makeAndChdirToTestDir(self):
2430
"""Create a temporary directories for this one test.
2432
This must set self.test_home_dir and self.test_dir and chdir to
2435
For TestCaseWithMemoryTransport we chdir to the TEST_ROOT for this test.
2437
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
2438
self.test_dir = TestCaseWithMemoryTransport.TEST_ROOT
2439
self.test_home_dir = self.test_dir + "/MemoryTransportMissingHomeDir"
2440
self.permit_dir(self.test_dir)
2442
def make_branch(self, relpath, format=None):
2443
"""Create a branch on the transport at relpath."""
2444
repo = self.make_repository(relpath, format=format)
2445
return repo.bzrdir.create_branch()
2447
def make_bzrdir(self, relpath, format=None):
2449
# might be a relative or absolute path
2450
maybe_a_url = self.get_url(relpath)
2451
segments = maybe_a_url.rsplit('/', 1)
2452
t = get_transport(maybe_a_url)
2453
if len(segments) > 1 and segments[-1] not in ('', '.'):
2457
if isinstance(format, basestring):
2458
format = bzrdir.format_registry.make_bzrdir(format)
2459
return format.initialize_on_transport(t)
2460
except errors.UninitializableFormat:
2461
raise TestSkipped("Format %s is not initializable." % format)
2463
def make_repository(self, relpath, shared=False, format=None):
2464
"""Create a repository on our default transport at relpath.
2466
Note that relpath must be a relative path, not a full url.
2468
# FIXME: If you create a remoterepository this returns the underlying
2469
# real format, which is incorrect. Actually we should make sure that
2470
# RemoteBzrDir returns a RemoteRepository.
2471
# maybe mbp 20070410
2472
made_control = self.make_bzrdir(relpath, format=format)
2473
return made_control.create_repository(shared=shared)
2475
def make_smart_server(self, path):
2476
smart_server = server.SmartTCPServer_for_testing()
2477
self.start_server(smart_server, self.get_server())
2478
remote_transport = get_transport(smart_server.get_url()).clone(path)
2479
return remote_transport
2481
def make_branch_and_memory_tree(self, relpath, format=None):
2482
"""Create a branch on the default transport and a MemoryTree for it."""
2483
b = self.make_branch(relpath, format=format)
2484
return memorytree.MemoryTree.create_on_branch(b)
2486
def make_branch_builder(self, relpath, format=None):
2487
branch = self.make_branch(relpath, format=format)
2488
return branchbuilder.BranchBuilder(branch=branch)
2490
def overrideEnvironmentForTesting(self):
2491
test_home_dir = self.test_home_dir
2492
if isinstance(test_home_dir, unicode):
2493
test_home_dir = test_home_dir.encode(sys.getfilesystemencoding())
2494
os.environ['HOME'] = test_home_dir
2495
os.environ['BZR_HOME'] = test_home_dir
2498
super(TestCaseWithMemoryTransport, self).setUp()
2499
self._make_test_root()
2500
_currentdir = os.getcwdu()
2501
def _leaveDirectory():
2502
os.chdir(_currentdir)
2503
self.addCleanup(_leaveDirectory)
2504
self.makeAndChdirToTestDir()
2505
self.overrideEnvironmentForTesting()
2506
self.__readonly_server = None
2507
self.__server = None
2508
self.reduceLockdirTimeout()
2510
def setup_smart_server_with_call_log(self):
2511
"""Sets up a smart server as the transport server with a call log."""
2512
self.transport_server = server.SmartTCPServer_for_testing
2513
self.hpss_calls = []
2515
# Skip the current stack down to the caller of
2516
# setup_smart_server_with_call_log
2517
prefix_length = len(traceback.extract_stack()) - 2
2518
def capture_hpss_call(params):
2519
self.hpss_calls.append(
2520
CapturedCall(params, prefix_length))
2521
client._SmartClient.hooks.install_named_hook(
2522
'call', capture_hpss_call, None)
2524
def reset_smart_call_log(self):
2525
self.hpss_calls = []
2528
class TestCaseInTempDir(TestCaseWithMemoryTransport):
2529
"""Derived class that runs a test within a temporary directory.
2531
This is useful for tests that need to create a branch, etc.
2533
The directory is created in a slightly complex way: for each
2534
Python invocation, a new temporary top-level directory is created.
2535
All test cases create their own directory within that. If the
2536
tests complete successfully, the directory is removed.
2538
:ivar test_base_dir: The path of the top-level directory for this
2539
test, which contains a home directory and a work directory.
2541
:ivar test_home_dir: An initially empty directory under test_base_dir
2542
which is used as $HOME for this test.
2544
:ivar test_dir: A directory under test_base_dir used as the current
2545
directory when the test proper is run.
2548
OVERRIDE_PYTHON = 'python'
2550
def check_file_contents(self, filename, expect):
2551
self.log("check contents of file %s" % filename)
2552
contents = file(filename, 'r').read()
2553
if contents != expect:
2554
self.log("expected: %r" % expect)
2555
self.log("actually: %r" % contents)
2556
self.fail("contents of %s not as expected" % filename)
2558
def _getTestDirPrefix(self):
2559
# create a directory within the top level test directory
2560
if sys.platform in ('win32', 'cygwin'):
2561
name_prefix = re.sub('[<>*=+",:;_/\\-]', '_', self.id())
2562
# windows is likely to have path-length limits so use a short name
2563
name_prefix = name_prefix[-30:]
2565
name_prefix = re.sub('[/]', '_', self.id())
2568
def makeAndChdirToTestDir(self):
2569
"""See TestCaseWithMemoryTransport.makeAndChdirToTestDir().
2571
For TestCaseInTempDir we create a temporary directory based on the test
2572
name and then create two subdirs - test and home under it.
2574
name_prefix = osutils.pathjoin(TestCaseWithMemoryTransport.TEST_ROOT,
2575
self._getTestDirPrefix())
2577
for i in range(100):
2578
if os.path.exists(name):
2579
name = name_prefix + '_' + str(i)
2581
# now create test and home directories within this dir
2582
self.test_base_dir = name
2583
self.addCleanup(self.deleteTestDir)
2584
os.mkdir(self.test_base_dir)
2586
self.permit_dir(self.test_base_dir)
2587
# 'sprouting' and 'init' of a branch both walk up the tree to find
2588
# stacking policy to honour; create a bzr dir with an unshared
2589
# repository (but not a branch - our code would be trying to escape
2590
# then!) to stop them, and permit it to be read.
2591
# control = bzrdir.BzrDir.create(self.test_base_dir)
2592
# control.create_repository()
2593
self.test_home_dir = self.test_base_dir + '/home'
2594
os.mkdir(self.test_home_dir)
2595
self.test_dir = self.test_base_dir + '/work'
2596
os.mkdir(self.test_dir)
2597
os.chdir(self.test_dir)
2598
# put name of test inside
2599
f = file(self.test_base_dir + '/name', 'w')
2605
def deleteTestDir(self):
2606
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
2607
_rmtree_temp_dir(self.test_base_dir, test_id=self.id())
2609
def build_tree(self, shape, line_endings='binary', transport=None):
2610
"""Build a test tree according to a pattern.
2612
shape is a sequence of file specifications. If the final
2613
character is '/', a directory is created.
2615
This assumes that all the elements in the tree being built are new.
2617
This doesn't add anything to a branch.
2619
:type shape: list or tuple.
2620
:param line_endings: Either 'binary' or 'native'
2621
in binary mode, exact contents are written in native mode, the
2622
line endings match the default platform endings.
2623
:param transport: A transport to write to, for building trees on VFS's.
2624
If the transport is readonly or None, "." is opened automatically.
2627
if type(shape) not in (list, tuple):
2628
raise AssertionError("Parameter 'shape' should be "
2629
"a list or a tuple. Got %r instead" % (shape,))
2630
# It's OK to just create them using forward slashes on windows.
2631
if transport is None or transport.is_readonly():
2632
transport = get_transport(".")
2634
self.assertIsInstance(name, basestring)
2636
transport.mkdir(urlutils.escape(name[:-1]))
2638
if line_endings == 'binary':
2640
elif line_endings == 'native':
2643
raise errors.BzrError(
2644
'Invalid line ending request %r' % line_endings)
2645
content = "contents of %s%s" % (name.encode('utf-8'), end)
2646
transport.put_bytes_non_atomic(urlutils.escape(name), content)
2648
def build_tree_contents(self, shape):
2649
build_tree_contents(shape)
2651
def assertInWorkingTree(self, path, root_path='.', tree=None):
2652
"""Assert whether path or paths are in the WorkingTree"""
2654
tree = workingtree.WorkingTree.open(root_path)
2655
if not isinstance(path, basestring):
2657
self.assertInWorkingTree(p, tree=tree)
2659
self.assertIsNot(tree.path2id(path), None,
2660
path+' not in working tree.')
2662
def assertNotInWorkingTree(self, path, root_path='.', tree=None):
2663
"""Assert whether path or paths are not in the WorkingTree"""
2665
tree = workingtree.WorkingTree.open(root_path)
2666
if not isinstance(path, basestring):
2668
self.assertNotInWorkingTree(p,tree=tree)
2670
self.assertIs(tree.path2id(path), None, path+' in working tree.')
2673
class TestCaseWithTransport(TestCaseInTempDir):
2674
"""A test case that provides get_url and get_readonly_url facilities.
2676
These back onto two transport servers, one for readonly access and one for
2679
If no explicit class is provided for readonly access, a
2680
ReadonlyTransportDecorator is used instead which allows the use of non disk
2681
based read write transports.
2683
If an explicit class is provided for readonly access, that server and the
2684
readwrite one must both define get_url() as resolving to os.getcwd().
2687
def get_vfs_only_server(self):
2688
"""See TestCaseWithMemoryTransport.
2690
This is useful for some tests with specific servers that need
2693
if self.__vfs_server is None:
2694
self.__vfs_server = self.vfs_transport_factory()
2695
self.start_server(self.__vfs_server)
2696
return self.__vfs_server
2698
def make_branch_and_tree(self, relpath, format=None):
2699
"""Create a branch on the transport and a tree locally.
2701
If the transport is not a LocalTransport, the Tree can't be created on
2702
the transport. In that case if the vfs_transport_factory is
2703
LocalURLServer the working tree is created in the local
2704
directory backing the transport, and the returned tree's branch and
2705
repository will also be accessed locally. Otherwise a lightweight
2706
checkout is created and returned.
2708
We do this because we can't physically create a tree in the local
2709
path, with a branch reference to the transport_factory url, and
2710
a branch + repository in the vfs_transport, unless the vfs_transport
2711
namespace is distinct from the local disk - the two branch objects
2712
would collide. While we could construct a tree with its branch object
2713
pointing at the transport_factory transport in memory, reopening it
2714
would behaving unexpectedly, and has in the past caused testing bugs
2715
when we tried to do it that way.
2717
:param format: The BzrDirFormat.
2718
:returns: the WorkingTree.
2720
# TODO: always use the local disk path for the working tree,
2721
# this obviously requires a format that supports branch references
2722
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
2724
b = self.make_branch(relpath, format=format)
2726
return b.bzrdir.create_workingtree()
2727
except errors.NotLocalUrl:
2728
# We can only make working trees locally at the moment. If the
2729
# transport can't support them, then we keep the non-disk-backed
2730
# branch and create a local checkout.
2731
if self.vfs_transport_factory is LocalURLServer:
2732
# the branch is colocated on disk, we cannot create a checkout.
2733
# hopefully callers will expect this.
2734
local_controldir= bzrdir.BzrDir.open(self.get_vfs_only_url(relpath))
2735
wt = local_controldir.create_workingtree()
2736
if wt.branch._format != b._format:
2738
# Make sure that assigning to wt._branch fixes wt.branch,
2739
# in case the implementation details of workingtree objects
2741
self.assertIs(b, wt.branch)
2744
return b.create_checkout(relpath, lightweight=True)
2746
def assertIsDirectory(self, relpath, transport):
2747
"""Assert that relpath within transport is a directory.
2749
This may not be possible on all transports; in that case it propagates
2750
a TransportNotPossible.
2753
mode = transport.stat(relpath).st_mode
2754
except errors.NoSuchFile:
2755
self.fail("path %s is not a directory; no such file"
2757
if not stat.S_ISDIR(mode):
2758
self.fail("path %s is not a directory; has mode %#o"
2761
def assertTreesEqual(self, left, right):
2762
"""Check that left and right have the same content and properties."""
2763
# we use a tree delta to check for equality of the content, and we
2764
# manually check for equality of other things such as the parents list.
2765
self.assertEqual(left.get_parent_ids(), right.get_parent_ids())
2766
differences = left.changes_from(right)
2767
self.assertFalse(differences.has_changed(),
2768
"Trees %r and %r are different: %r" % (left, right, differences))
2771
super(TestCaseWithTransport, self).setUp()
2772
self.__vfs_server = None
2774
def disable_missing_extensions_warning(self):
2775
"""Some tests expect a precise stderr content.
2777
There is no point in forcing them to duplicate the extension related
2780
config.GlobalConfig().set_user_option('ignore_missing_extensions', True)
2783
class ChrootedTestCase(TestCaseWithTransport):
2784
"""A support class that provides readonly urls outside the local namespace.
2786
This is done by checking if self.transport_server is a MemoryServer. if it
2787
is then we are chrooted already, if it is not then an HttpServer is used
2790
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
2791
be used without needed to redo it when a different
2792
subclass is in use ?
2796
super(ChrootedTestCase, self).setUp()
2797
if not self.vfs_transport_factory == MemoryServer:
2798
self.transport_readonly_server = HttpServer
2801
def condition_id_re(pattern):
2802
"""Create a condition filter which performs a re check on a test's id.
2804
:param pattern: A regular expression string.
2805
:return: A callable that returns True if the re matches.
2807
filter_re = osutils.re_compile_checked(pattern, 0,
2809
def condition(test):
2811
return filter_re.search(test_id)
2815
def condition_isinstance(klass_or_klass_list):
2816
"""Create a condition filter which returns isinstance(param, klass).
2818
:return: A callable which when called with one parameter obj return the
2819
result of isinstance(obj, klass_or_klass_list).
2822
return isinstance(obj, klass_or_klass_list)
2826
def condition_id_in_list(id_list):
2827
"""Create a condition filter which verify that test's id in a list.
2829
:param id_list: A TestIdList object.
2830
:return: A callable that returns True if the test's id appears in the list.
2832
def condition(test):
2833
return id_list.includes(test.id())
2837
def condition_id_startswith(starts):
2838
"""Create a condition filter verifying that test's id starts with a string.
2840
:param starts: A list of string.
2841
:return: A callable that returns True if the test's id starts with one of
2844
def condition(test):
2845
for start in starts:
2846
if test.id().startswith(start):
2852
def exclude_tests_by_condition(suite, condition):
2853
"""Create a test suite which excludes some tests from suite.
2855
:param suite: The suite to get tests from.
2856
:param condition: A callable whose result evaluates True when called with a
2857
test case which should be excluded from the result.
2858
:return: A suite which contains the tests found in suite that fail
2862
for test in iter_suite_tests(suite):
2863
if not condition(test):
2865
return TestUtil.TestSuite(result)
2868
def filter_suite_by_condition(suite, condition):
2869
"""Create a test suite by filtering another one.
2871
:param suite: The source suite.
2872
:param condition: A callable whose result evaluates True when called with a
2873
test case which should be included in the result.
2874
:return: A suite which contains the tests found in suite that pass
2878
for test in iter_suite_tests(suite):
2881
return TestUtil.TestSuite(result)
2884
def filter_suite_by_re(suite, pattern):
2885
"""Create a test suite by filtering another one.
2887
:param suite: the source suite
2888
:param pattern: pattern that names must match
2889
:returns: the newly created suite
2891
condition = condition_id_re(pattern)
2892
result_suite = filter_suite_by_condition(suite, condition)
2896
def filter_suite_by_id_list(suite, test_id_list):
2897
"""Create a test suite by filtering another one.
2899
:param suite: The source suite.
2900
:param test_id_list: A list of the test ids to keep as strings.
2901
:returns: the newly created suite
2903
condition = condition_id_in_list(test_id_list)
2904
result_suite = filter_suite_by_condition(suite, condition)
2908
def filter_suite_by_id_startswith(suite, start):
2909
"""Create a test suite by filtering another one.
2911
:param suite: The source suite.
2912
:param start: A list of string the test id must start with one of.
2913
:returns: the newly created suite
2915
condition = condition_id_startswith(start)
2916
result_suite = filter_suite_by_condition(suite, condition)
2920
def exclude_tests_by_re(suite, pattern):
2921
"""Create a test suite which excludes some tests from suite.
2923
:param suite: The suite to get tests from.
2924
:param pattern: A regular expression string. Test ids that match this
2925
pattern will be excluded from the result.
2926
:return: A TestSuite that contains all the tests from suite without the
2927
tests that matched pattern. The order of tests is the same as it was in
2930
return exclude_tests_by_condition(suite, condition_id_re(pattern))
2933
def preserve_input(something):
2934
"""A helper for performing test suite transformation chains.
2936
:param something: Anything you want to preserve.
2942
def randomize_suite(suite):
2943
"""Return a new TestSuite with suite's tests in random order.
2945
The tests in the input suite are flattened into a single suite in order to
2946
accomplish this. Any nested TestSuites are removed to provide global
2949
tests = list(iter_suite_tests(suite))
2950
random.shuffle(tests)
2951
return TestUtil.TestSuite(tests)
2954
def split_suite_by_condition(suite, condition):
2955
"""Split a test suite into two by a condition.
2957
:param suite: The suite to split.
2958
:param condition: The condition to match on. Tests that match this
2959
condition are returned in the first test suite, ones that do not match
2960
are in the second suite.
2961
:return: A tuple of two test suites, where the first contains tests from
2962
suite matching the condition, and the second contains the remainder
2963
from suite. The order within each output suite is the same as it was in
2968
for test in iter_suite_tests(suite):
2970
matched.append(test)
2972
did_not_match.append(test)
2973
return TestUtil.TestSuite(matched), TestUtil.TestSuite(did_not_match)
2976
def split_suite_by_re(suite, pattern):
2977
"""Split a test suite into two by a regular expression.
2979
:param suite: The suite to split.
2980
:param pattern: A regular expression string. Test ids that match this
2981
pattern will be in the first test suite returned, and the others in the
2982
second test suite returned.
2983
:return: A tuple of two test suites, where the first contains tests from
2984
suite matching pattern, and the second contains the remainder from
2985
suite. The order within each output suite is the same as it was in
2988
return split_suite_by_condition(suite, condition_id_re(pattern))
2991
def run_suite(suite, name='test', verbose=False, pattern=".*",
2992
stop_on_failure=False,
2993
transport=None, lsprof_timed=None, bench_history=None,
2994
matching_tests_first=None,
2997
exclude_pattern=None,
3000
suite_decorators=None,
3002
result_decorators=None,
3004
"""Run a test suite for bzr selftest.
3006
:param runner_class: The class of runner to use. Must support the
3007
constructor arguments passed by run_suite which are more than standard
3009
:return: A boolean indicating success.
3011
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
3016
if runner_class is None:
3017
runner_class = TextTestRunner
3020
runner = runner_class(stream=stream,
3022
verbosity=verbosity,
3023
bench_history=bench_history,
3025
result_decorators=result_decorators,
3027
runner.stop_on_failure=stop_on_failure
3028
# built in decorator factories:
3030
random_order(random_seed, runner),
3031
exclude_tests(exclude_pattern),
3033
if matching_tests_first:
3034
decorators.append(tests_first(pattern))
3036
decorators.append(filter_tests(pattern))
3037
if suite_decorators:
3038
decorators.extend(suite_decorators)
3039
# tell the result object how many tests will be running: (except if
3040
# --parallel=fork is being used. Robert said he will provide a better
3041
# progress design later -- vila 20090817)
3042
if fork_decorator not in decorators:
3043
decorators.append(CountingDecorator)
3044
for decorator in decorators:
3045
suite = decorator(suite)
3047
# Done after test suite decoration to allow randomisation etc
3048
# to take effect, though that is of marginal benefit.
3050
stream.write("Listing tests only ...\n")
3051
for t in iter_suite_tests(suite):
3052
stream.write("%s\n" % (t.id()))
3054
result = runner.run(suite)
3056
return result.wasStrictlySuccessful()
3058
return result.wasSuccessful()
3061
# A registry where get() returns a suite decorator.
3062
parallel_registry = registry.Registry()
3065
def fork_decorator(suite):
3066
concurrency = osutils.local_concurrency()
3067
if concurrency == 1:
3069
from testtools import ConcurrentTestSuite
3070
return ConcurrentTestSuite(suite, fork_for_tests)
3071
parallel_registry.register('fork', fork_decorator)
3074
def subprocess_decorator(suite):
3075
concurrency = osutils.local_concurrency()
3076
if concurrency == 1:
3078
from testtools import ConcurrentTestSuite
3079
return ConcurrentTestSuite(suite, reinvoke_for_tests)
3080
parallel_registry.register('subprocess', subprocess_decorator)
3083
def exclude_tests(exclude_pattern):
3084
"""Return a test suite decorator that excludes tests."""
3085
if exclude_pattern is None:
3086
return identity_decorator
3087
def decorator(suite):
3088
return ExcludeDecorator(suite, exclude_pattern)
3092
def filter_tests(pattern):
3094
return identity_decorator
3095
def decorator(suite):
3096
return FilterTestsDecorator(suite, pattern)
3100
def random_order(random_seed, runner):
3101
"""Return a test suite decorator factory for randomising tests order.
3103
:param random_seed: now, a string which casts to a long, or a long.
3104
:param runner: A test runner with a stream attribute to report on.
3106
if random_seed is None:
3107
return identity_decorator
3108
def decorator(suite):
3109
return RandomDecorator(suite, random_seed, runner.stream)
3113
def tests_first(pattern):
3115
return identity_decorator
3116
def decorator(suite):
3117
return TestFirstDecorator(suite, pattern)
3121
def identity_decorator(suite):
3126
class TestDecorator(TestSuite):
3127
"""A decorator for TestCase/TestSuite objects.
3129
Usually, subclasses should override __iter__(used when flattening test
3130
suites), which we do to filter, reorder, parallelise and so on, run() and
3134
def __init__(self, suite):
3135
TestSuite.__init__(self)
3138
def countTestCases(self):
3141
cases += test.countTestCases()
3148
def run(self, result):
3149
# Use iteration on self, not self._tests, to allow subclasses to hook
3152
if result.shouldStop:
3158
class CountingDecorator(TestDecorator):
3159
"""A decorator which calls result.progress(self.countTestCases)."""
3161
def run(self, result):
3162
progress_method = getattr(result, 'progress', None)
3163
if callable(progress_method):
3164
progress_method(self.countTestCases(), SUBUNIT_SEEK_SET)
3165
return super(CountingDecorator, self).run(result)
3168
class ExcludeDecorator(TestDecorator):
3169
"""A decorator which excludes test matching an exclude pattern."""
3171
def __init__(self, suite, exclude_pattern):
3172
TestDecorator.__init__(self, suite)
3173
self.exclude_pattern = exclude_pattern
3174
self.excluded = False
3178
return iter(self._tests)
3179
self.excluded = True
3180
suite = exclude_tests_by_re(self, self.exclude_pattern)
3182
self.addTests(suite)
3183
return iter(self._tests)
3186
class FilterTestsDecorator(TestDecorator):
3187
"""A decorator which filters tests to those matching a pattern."""
3189
def __init__(self, suite, pattern):
3190
TestDecorator.__init__(self, suite)
3191
self.pattern = pattern
3192
self.filtered = False
3196
return iter(self._tests)
3197
self.filtered = True
3198
suite = filter_suite_by_re(self, self.pattern)
3200
self.addTests(suite)
3201
return iter(self._tests)
3204
class RandomDecorator(TestDecorator):
3205
"""A decorator which randomises the order of its tests."""
3207
def __init__(self, suite, random_seed, stream):
3208
TestDecorator.__init__(self, suite)
3209
self.random_seed = random_seed
3210
self.randomised = False
3211
self.stream = stream
3215
return iter(self._tests)
3216
self.randomised = True
3217
self.stream.writeln("Randomizing test order using seed %s\n" %
3218
(self.actual_seed()))
3219
# Initialise the random number generator.
3220
random.seed(self.actual_seed())
3221
suite = randomize_suite(self)
3223
self.addTests(suite)
3224
return iter(self._tests)
3226
def actual_seed(self):
3227
if self.random_seed == "now":
3228
# We convert the seed to a long to make it reuseable across
3229
# invocations (because the user can reenter it).
3230
self.random_seed = long(time.time())
3232
# Convert the seed to a long if we can
3234
self.random_seed = long(self.random_seed)
3237
return self.random_seed
3240
class TestFirstDecorator(TestDecorator):
3241
"""A decorator which moves named tests to the front."""
3243
def __init__(self, suite, pattern):
3244
TestDecorator.__init__(self, suite)
3245
self.pattern = pattern
3246
self.filtered = False
3250
return iter(self._tests)
3251
self.filtered = True
3252
suites = split_suite_by_re(self, self.pattern)
3254
self.addTests(suites)
3255
return iter(self._tests)
3258
def partition_tests(suite, count):
3259
"""Partition suite into count lists of tests."""
3261
tests = list(iter_suite_tests(suite))
3262
tests_per_process = int(math.ceil(float(len(tests)) / count))
3263
for block in range(count):
3264
low_test = block * tests_per_process
3265
high_test = low_test + tests_per_process
3266
process_tests = tests[low_test:high_test]
3267
result.append(process_tests)
3271
def fork_for_tests(suite):
3272
"""Take suite and start up one runner per CPU by forking()
3274
:return: An iterable of TestCase-like objects which can each have
3275
run(result) called on them to feed tests to result.
3277
concurrency = osutils.local_concurrency()
3279
from subunit import TestProtocolClient, ProtocolTestCase
3280
class TestInOtherProcess(ProtocolTestCase):
3281
# Should be in subunit, I think. RBC.
3282
def __init__(self, stream, pid):
3283
ProtocolTestCase.__init__(self, stream)
3286
def run(self, result):
3288
ProtocolTestCase.run(self, result)
3290
os.waitpid(self.pid, os.WNOHANG)
3292
test_blocks = partition_tests(suite, concurrency)
3293
for process_tests in test_blocks:
3294
process_suite = TestSuite()
3295
process_suite.addTests(process_tests)
3296
c2pread, c2pwrite = os.pipe()
3301
# Leave stderr and stdout open so we can see test noise
3302
# Close stdin so that the child goes away if it decides to
3303
# read from stdin (otherwise its a roulette to see what
3304
# child actually gets keystrokes for pdb etc).
3307
stream = os.fdopen(c2pwrite, 'wb', 1)
3308
subunit_result = BzrAutoTimingTestResultDecorator(
3309
TestProtocolClient(stream))
3310
process_suite.run(subunit_result)
3315
stream = os.fdopen(c2pread, 'rb', 1)
3316
test = TestInOtherProcess(stream, pid)
3321
def reinvoke_for_tests(suite):
3322
"""Take suite and start up one runner per CPU using subprocess().
3324
:return: An iterable of TestCase-like objects which can each have
3325
run(result) called on them to feed tests to result.
3327
concurrency = osutils.local_concurrency()
3329
from subunit import ProtocolTestCase
3330
class TestInSubprocess(ProtocolTestCase):
3331
def __init__(self, process, name):
3332
ProtocolTestCase.__init__(self, process.stdout)
3333
self.process = process
3334
self.process.stdin.close()
3337
def run(self, result):
3339
ProtocolTestCase.run(self, result)
3342
os.unlink(self.name)
3343
# print "pid %d finished" % finished_process
3344
test_blocks = partition_tests(suite, concurrency)
3345
for process_tests in test_blocks:
3346
# ugly; currently reimplement rather than reuses TestCase methods.
3347
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
3348
if not os.path.isfile(bzr_path):
3349
# We are probably installed. Assume sys.argv is the right file
3350
bzr_path = sys.argv[0]
3351
bzr_path = [bzr_path]
3352
if sys.platform == "win32":
3353
# if we're on windows, we can't execute the bzr script directly
3354
bzr_path = [sys.executable] + bzr_path
3355
fd, test_list_file_name = tempfile.mkstemp()
3356
test_list_file = os.fdopen(fd, 'wb', 1)
3357
for test in process_tests:
3358
test_list_file.write(test.id() + '\n')
3359
test_list_file.close()
3361
argv = bzr_path + ['selftest', '--load-list', test_list_file_name,
3363
if '--no-plugins' in sys.argv:
3364
argv.append('--no-plugins')
3365
# stderr=STDOUT would be ideal, but until we prevent noise on
3366
# stderr it can interrupt the subunit protocol.
3367
process = Popen(argv, stdin=PIPE, stdout=PIPE, stderr=PIPE,
3369
test = TestInSubprocess(process, test_list_file_name)
3372
os.unlink(test_list_file_name)
3377
class ForwardingResult(unittest.TestResult):
3379
def __init__(self, target):
3380
unittest.TestResult.__init__(self)
3381
self.result = target
3383
def startTest(self, test):
3384
self.result.startTest(test)
3386
def stopTest(self, test):
3387
self.result.stopTest(test)
3389
def startTestRun(self):
3390
self.result.startTestRun()
3392
def stopTestRun(self):
3393
self.result.stopTestRun()
3395
def addSkip(self, test, reason):
3396
self.result.addSkip(test, reason)
3398
def addSuccess(self, test):
3399
self.result.addSuccess(test)
3401
def addError(self, test, err):
3402
self.result.addError(test, err)
3404
def addFailure(self, test, err):
3405
self.result.addFailure(test, err)
3408
class BZRTransformingResult(ForwardingResult):
3410
def addError(self, test, err):
3411
feature = self._error_looks_like('UnavailableFeature: ', err)
3412
if feature is not None:
3413
self.result.addNotSupported(test, feature)
3415
self.result.addError(test, err)
3417
def addFailure(self, test, err):
3418
known = self._error_looks_like('KnownFailure: ', err)
3419
if known is not None:
3420
self.result.addExpectedFailure(test,
3421
[KnownFailure, KnownFailure(known), None])
3423
self.result.addFailure(test, err)
3425
def _error_looks_like(self, prefix, err):
3426
"""Deserialize exception and returns the stringify value."""
3430
if isinstance(exc, subunit.RemoteException):
3431
# stringify the exception gives access to the remote traceback
3432
# We search the last line for 'prefix'
3433
lines = str(exc).split('\n')
3434
while lines and not lines[-1]:
3437
if lines[-1].startswith(prefix):
3438
value = lines[-1][len(prefix):]
3443
from subunit.test_results import AutoTimingTestResultDecorator
3444
# Expected failure should be seen as a success not a failure Once subunit
3445
# provide native support for that, BZRTransformingResult and this class
3446
# will become useless.
3447
class BzrAutoTimingTestResultDecorator(AutoTimingTestResultDecorator):
3449
def addExpectedFailure(self, test, err):
3450
self._before_event()
3451
return self._call_maybe("addExpectedFailure", self._degrade_skip,
3454
# Let's just define a no-op decorator
3455
BzrAutoTimingTestResultDecorator = lambda x:x
3458
class ProfileResult(ForwardingResult):
3459
"""Generate profiling data for all activity between start and success.
3461
The profile data is appended to the test's _benchcalls attribute and can
3462
be accessed by the forwarded-to TestResult.
3464
While it might be cleaner do accumulate this in stopTest, addSuccess is
3465
where our existing output support for lsprof is, and this class aims to
3466
fit in with that: while it could be moved it's not necessary to accomplish
3467
test profiling, nor would it be dramatically cleaner.
3470
def startTest(self, test):
3471
self.profiler = bzrlib.lsprof.BzrProfiler()
3472
self.profiler.start()
3473
ForwardingResult.startTest(self, test)
3475
def addSuccess(self, test):
3476
stats = self.profiler.stop()
3478
calls = test._benchcalls
3479
except AttributeError:
3480
test._benchcalls = []
3481
calls = test._benchcalls
3482
calls.append(((test.id(), "", ""), stats))
3483
ForwardingResult.addSuccess(self, test)
3485
def stopTest(self, test):
3486
ForwardingResult.stopTest(self, test)
3487
self.profiler = None
3490
# Controlled by "bzr selftest -E=..." option
3491
# Currently supported:
3492
# -Eallow_debug Will no longer clear debug.debug_flags() so it
3493
# preserves any flags supplied at the command line.
3494
# -Edisable_lock_checks Turns errors in mismatched locks into simple prints
3495
# rather than failing tests. And no longer raise
3496
# LockContention when fctnl locks are not being used
3497
# with proper exclusion rules.
3498
selftest_debug_flags = set()
3501
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
3503
test_suite_factory=None,
3506
matching_tests_first=None,
3509
exclude_pattern=None,
3515
suite_decorators=None,
3519
"""Run the whole test suite under the enhanced runner"""
3520
# XXX: Very ugly way to do this...
3521
# Disable warning about old formats because we don't want it to disturb
3522
# any blackbox tests.
3523
from bzrlib import repository
3524
repository._deprecation_warning_done = True
3526
global default_transport
3527
if transport is None:
3528
transport = default_transport
3529
old_transport = default_transport
3530
default_transport = transport
3531
global selftest_debug_flags
3532
old_debug_flags = selftest_debug_flags
3533
if debug_flags is not None:
3534
selftest_debug_flags = set(debug_flags)
3536
if load_list is None:
3539
keep_only = load_test_id_list(load_list)
3541
starting_with = [test_prefix_alias_registry.resolve_alias(start)
3542
for start in starting_with]
3543
if test_suite_factory is None:
3544
# Reduce loading time by loading modules based on the starting_with
3546
suite = test_suite(keep_only, starting_with)
3548
suite = test_suite_factory()
3550
# But always filter as requested.
3551
suite = filter_suite_by_id_startswith(suite, starting_with)
3552
result_decorators = []
3554
result_decorators.append(ProfileResult)
3555
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
3556
stop_on_failure=stop_on_failure,
3557
transport=transport,
3558
lsprof_timed=lsprof_timed,
3559
bench_history=bench_history,
3560
matching_tests_first=matching_tests_first,
3561
list_only=list_only,
3562
random_seed=random_seed,
3563
exclude_pattern=exclude_pattern,
3565
runner_class=runner_class,
3566
suite_decorators=suite_decorators,
3568
result_decorators=result_decorators,
3571
default_transport = old_transport
3572
selftest_debug_flags = old_debug_flags
3575
def load_test_id_list(file_name):
3576
"""Load a test id list from a text file.
3578
The format is one test id by line. No special care is taken to impose
3579
strict rules, these test ids are used to filter the test suite so a test id
3580
that do not match an existing test will do no harm. This allows user to add
3581
comments, leave blank lines, etc.
3585
ftest = open(file_name, 'rt')
3587
if e.errno != errno.ENOENT:
3590
raise errors.NoSuchFile(file_name)
3592
for test_name in ftest.readlines():
3593
test_list.append(test_name.strip())
3598
def suite_matches_id_list(test_suite, id_list):
3599
"""Warns about tests not appearing or appearing more than once.
3601
:param test_suite: A TestSuite object.
3602
:param test_id_list: The list of test ids that should be found in
3605
:return: (absents, duplicates) absents is a list containing the test found
3606
in id_list but not in test_suite, duplicates is a list containing the
3607
test found multiple times in test_suite.
3609
When using a prefined test id list, it may occurs that some tests do not
3610
exist anymore or that some tests use the same id. This function warns the
3611
tester about potential problems in his workflow (test lists are volatile)
3612
or in the test suite itself (using the same id for several tests does not
3613
help to localize defects).
3615
# Build a dict counting id occurrences
3617
for test in iter_suite_tests(test_suite):
3619
tests[id] = tests.get(id, 0) + 1
3624
occurs = tests.get(id, 0)
3626
not_found.append(id)
3628
duplicates.append(id)
3630
return not_found, duplicates
3633
class TestIdList(object):
3634
"""Test id list to filter a test suite.
3636
Relying on the assumption that test ids are built as:
3637
<module>[.<class>.<method>][(<param>+)], <module> being in python dotted
3638
notation, this class offers methods to :
3639
- avoid building a test suite for modules not refered to in the test list,
3640
- keep only the tests listed from the module test suite.
3643
def __init__(self, test_id_list):
3644
# When a test suite needs to be filtered against us we compare test ids
3645
# for equality, so a simple dict offers a quick and simple solution.
3646
self.tests = dict().fromkeys(test_id_list, True)
3648
# While unittest.TestCase have ids like:
3649
# <module>.<class>.<method>[(<param+)],
3650
# doctest.DocTestCase can have ids like:
3653
# <module>.<function>
3654
# <module>.<class>.<method>
3656
# Since we can't predict a test class from its name only, we settle on
3657
# a simple constraint: a test id always begins with its module name.
3660
for test_id in test_id_list:
3661
parts = test_id.split('.')
3662
mod_name = parts.pop(0)
3663
modules[mod_name] = True
3665
mod_name += '.' + part
3666
modules[mod_name] = True
3667
self.modules = modules
3669
def refers_to(self, module_name):
3670
"""Is there tests for the module or one of its sub modules."""
3671
return self.modules.has_key(module_name)
3673
def includes(self, test_id):
3674
return self.tests.has_key(test_id)
3677
class TestPrefixAliasRegistry(registry.Registry):
3678
"""A registry for test prefix aliases.
3680
This helps implement shorcuts for the --starting-with selftest
3681
option. Overriding existing prefixes is not allowed but not fatal (a
3682
warning will be emitted).
3685
def register(self, key, obj, help=None, info=None,
3686
override_existing=False):
3687
"""See Registry.register.
3689
Trying to override an existing alias causes a warning to be emitted,
3690
not a fatal execption.
3693
super(TestPrefixAliasRegistry, self).register(
3694
key, obj, help=help, info=info, override_existing=False)
3696
actual = self.get(key)
3697
note('Test prefix alias %s is already used for %s, ignoring %s'
3698
% (key, actual, obj))
3700
def resolve_alias(self, id_start):
3701
"""Replace the alias by the prefix in the given string.
3703
Using an unknown prefix is an error to help catching typos.
3705
parts = id_start.split('.')
3707
parts[0] = self.get(parts[0])
3709
raise errors.BzrCommandError(
3710
'%s is not a known test prefix alias' % parts[0])
3711
return '.'.join(parts)
3714
test_prefix_alias_registry = TestPrefixAliasRegistry()
3715
"""Registry of test prefix aliases."""
3718
# This alias allows to detect typos ('bzrlin.') by making all valid test ids
3719
# appear prefixed ('bzrlib.' is "replaced" by 'bzrlib.').
3720
test_prefix_alias_registry.register('bzrlib', 'bzrlib')
3722
# Obvious higest levels prefixes, feel free to add your own via a plugin
3723
test_prefix_alias_registry.register('bd', 'bzrlib.doc')
3724
test_prefix_alias_registry.register('bu', 'bzrlib.utils')
3725
test_prefix_alias_registry.register('bt', 'bzrlib.tests')
3726
test_prefix_alias_registry.register('bb', 'bzrlib.tests.blackbox')
3727
test_prefix_alias_registry.register('bp', 'bzrlib.plugins')
3730
def _test_suite_testmod_names():
3731
"""Return the standard list of test module names to test."""
3734
'bzrlib.tests.blackbox',
3735
'bzrlib.tests.commands',
3736
'bzrlib.tests.per_branch',
3737
'bzrlib.tests.per_bzrdir',
3738
'bzrlib.tests.per_foreign_vcs',
3739
'bzrlib.tests.per_interrepository',
3740
'bzrlib.tests.per_intertree',
3741
'bzrlib.tests.per_inventory',
3742
'bzrlib.tests.per_interbranch',
3743
'bzrlib.tests.per_lock',
3744
'bzrlib.tests.per_transport',
3745
'bzrlib.tests.per_tree',
3746
'bzrlib.tests.per_pack_repository',
3747
'bzrlib.tests.per_repository',
3748
'bzrlib.tests.per_repository_chk',
3749
'bzrlib.tests.per_repository_reference',
3750
'bzrlib.tests.per_uifactory',
3751
'bzrlib.tests.per_versionedfile',
3752
'bzrlib.tests.per_workingtree',
3753
'bzrlib.tests.test__annotator',
3754
'bzrlib.tests.test__chk_map',
3755
'bzrlib.tests.test__dirstate_helpers',
3756
'bzrlib.tests.test__groupcompress',
3757
'bzrlib.tests.test__known_graph',
3758
'bzrlib.tests.test__rio',
3759
'bzrlib.tests.test__simple_set',
3760
'bzrlib.tests.test__static_tuple',
3761
'bzrlib.tests.test__walkdirs_win32',
3762
'bzrlib.tests.test_ancestry',
3763
'bzrlib.tests.test_annotate',
3764
'bzrlib.tests.test_api',
3765
'bzrlib.tests.test_atomicfile',
3766
'bzrlib.tests.test_bad_files',
3767
'bzrlib.tests.test_bencode',
3768
'bzrlib.tests.test_bisect_multi',
3769
'bzrlib.tests.test_branch',
3770
'bzrlib.tests.test_branchbuilder',
3771
'bzrlib.tests.test_btree_index',
3772
'bzrlib.tests.test_bugtracker',
3773
'bzrlib.tests.test_bundle',
3774
'bzrlib.tests.test_bzrdir',
3775
'bzrlib.tests.test__chunks_to_lines',
3776
'bzrlib.tests.test_cache_utf8',
3777
'bzrlib.tests.test_chk_map',
3778
'bzrlib.tests.test_chk_serializer',
3779
'bzrlib.tests.test_chunk_writer',
3780
'bzrlib.tests.test_clean_tree',
3781
'bzrlib.tests.test_cleanup',
3782
'bzrlib.tests.test_commands',
3783
'bzrlib.tests.test_commit',
3784
'bzrlib.tests.test_commit_merge',
3785
'bzrlib.tests.test_config',
3786
'bzrlib.tests.test_conflicts',
3787
'bzrlib.tests.test_counted_lock',
3788
'bzrlib.tests.test_crash',
3789
'bzrlib.tests.test_decorators',
3790
'bzrlib.tests.test_delta',
3791
'bzrlib.tests.test_debug',
3792
'bzrlib.tests.test_deprecated_graph',
3793
'bzrlib.tests.test_diff',
3794
'bzrlib.tests.test_directory_service',
3795
'bzrlib.tests.test_dirstate',
3796
'bzrlib.tests.test_email_message',
3797
'bzrlib.tests.test_eol_filters',
3798
'bzrlib.tests.test_errors',
3799
'bzrlib.tests.test_export',
3800
'bzrlib.tests.test_extract',
3801
'bzrlib.tests.test_fetch',
3802
'bzrlib.tests.test_fifo_cache',
3803
'bzrlib.tests.test_filters',
3804
'bzrlib.tests.test_ftp_transport',
3805
'bzrlib.tests.test_foreign',
3806
'bzrlib.tests.test_generate_docs',
3807
'bzrlib.tests.test_generate_ids',
3808
'bzrlib.tests.test_globbing',
3809
'bzrlib.tests.test_gpg',
3810
'bzrlib.tests.test_graph',
3811
'bzrlib.tests.test_groupcompress',
3812
'bzrlib.tests.test_hashcache',
3813
'bzrlib.tests.test_help',
3814
'bzrlib.tests.test_hooks',
3815
'bzrlib.tests.test_http',
3816
'bzrlib.tests.test_http_response',
3817
'bzrlib.tests.test_https_ca_bundle',
3818
'bzrlib.tests.test_identitymap',
3819
'bzrlib.tests.test_ignores',
3820
'bzrlib.tests.test_index',
3821
'bzrlib.tests.test_info',
3822
'bzrlib.tests.test_inv',
3823
'bzrlib.tests.test_inventory_delta',
3824
'bzrlib.tests.test_knit',
3825
'bzrlib.tests.test_lazy_import',
3826
'bzrlib.tests.test_lazy_regex',
3827
'bzrlib.tests.test_lock',
3828
'bzrlib.tests.test_lockable_files',
3829
'bzrlib.tests.test_lockdir',
3830
'bzrlib.tests.test_log',
3831
'bzrlib.tests.test_lru_cache',
3832
'bzrlib.tests.test_lsprof',
3833
'bzrlib.tests.test_mail_client',
3834
'bzrlib.tests.test_memorytree',
3835
'bzrlib.tests.test_merge',
3836
'bzrlib.tests.test_merge3',
3837
'bzrlib.tests.test_merge_core',
3838
'bzrlib.tests.test_merge_directive',
3839
'bzrlib.tests.test_missing',
3840
'bzrlib.tests.test_msgeditor',
3841
'bzrlib.tests.test_multiparent',
3842
'bzrlib.tests.test_mutabletree',
3843
'bzrlib.tests.test_nonascii',
3844
'bzrlib.tests.test_options',
3845
'bzrlib.tests.test_osutils',
3846
'bzrlib.tests.test_osutils_encodings',
3847
'bzrlib.tests.test_pack',
3848
'bzrlib.tests.test_patch',
3849
'bzrlib.tests.test_patches',
3850
'bzrlib.tests.test_permissions',
3851
'bzrlib.tests.test_plugins',
3852
'bzrlib.tests.test_progress',
3853
'bzrlib.tests.test_read_bundle',
3854
'bzrlib.tests.test_reconcile',
3855
'bzrlib.tests.test_reconfigure',
3856
'bzrlib.tests.test_registry',
3857
'bzrlib.tests.test_remote',
3858
'bzrlib.tests.test_rename_map',
3859
'bzrlib.tests.test_repository',
3860
'bzrlib.tests.test_revert',
3861
'bzrlib.tests.test_revision',
3862
'bzrlib.tests.test_revisionspec',
3863
'bzrlib.tests.test_revisiontree',
3864
'bzrlib.tests.test_rio',
3865
'bzrlib.tests.test_rules',
3866
'bzrlib.tests.test_sampler',
3867
'bzrlib.tests.test_script',
3868
'bzrlib.tests.test_selftest',
3869
'bzrlib.tests.test_serializer',
3870
'bzrlib.tests.test_setup',
3871
'bzrlib.tests.test_sftp_transport',
3872
'bzrlib.tests.test_shelf',
3873
'bzrlib.tests.test_shelf_ui',
3874
'bzrlib.tests.test_smart',
3875
'bzrlib.tests.test_smart_add',
3876
'bzrlib.tests.test_smart_request',
3877
'bzrlib.tests.test_smart_transport',
3878
'bzrlib.tests.test_smtp_connection',
3879
'bzrlib.tests.test_source',
3880
'bzrlib.tests.test_ssh_transport',
3881
'bzrlib.tests.test_status',
3882
'bzrlib.tests.test_store',
3883
'bzrlib.tests.test_strace',
3884
'bzrlib.tests.test_subsume',
3885
'bzrlib.tests.test_switch',
3886
'bzrlib.tests.test_symbol_versioning',
3887
'bzrlib.tests.test_tag',
3888
'bzrlib.tests.test_testament',
3889
'bzrlib.tests.test_textfile',
3890
'bzrlib.tests.test_textmerge',
3891
'bzrlib.tests.test_timestamp',
3892
'bzrlib.tests.test_trace',
3893
'bzrlib.tests.test_transactions',
3894
'bzrlib.tests.test_transform',
3895
'bzrlib.tests.test_transport',
3896
'bzrlib.tests.test_transport_log',
3897
'bzrlib.tests.test_tree',
3898
'bzrlib.tests.test_treebuilder',
3899
'bzrlib.tests.test_tsort',
3900
'bzrlib.tests.test_tuned_gzip',
3901
'bzrlib.tests.test_ui',
3902
'bzrlib.tests.test_uncommit',
3903
'bzrlib.tests.test_upgrade',
3904
'bzrlib.tests.test_upgrade_stacked',
3905
'bzrlib.tests.test_urlutils',
3906
'bzrlib.tests.test_version',
3907
'bzrlib.tests.test_version_info',
3908
'bzrlib.tests.test_weave',
3909
'bzrlib.tests.test_whitebox',
3910
'bzrlib.tests.test_win32utils',
3911
'bzrlib.tests.test_workingtree',
3912
'bzrlib.tests.test_workingtree_4',
3913
'bzrlib.tests.test_wsgi',
3914
'bzrlib.tests.test_xml',
3918
def _test_suite_modules_to_doctest():
3919
"""Return the list of modules to doctest."""
3922
'bzrlib.branchbuilder',
3925
'bzrlib.iterablefile',
3929
'bzrlib.symbol_versioning',
3932
'bzrlib.version_info_formats.format_custom',
3936
def test_suite(keep_only=None, starting_with=None):
3937
"""Build and return TestSuite for the whole of bzrlib.
3939
:param keep_only: A list of test ids limiting the suite returned.
3941
:param starting_with: An id limiting the suite returned to the tests
3944
This function can be replaced if you need to change the default test
3945
suite on a global basis, but it is not encouraged.
3948
loader = TestUtil.TestLoader()
3950
if keep_only is not None:
3951
id_filter = TestIdList(keep_only)
3953
# We take precedence over keep_only because *at loading time* using
3954
# both options means we will load less tests for the same final result.
3955
def interesting_module(name):
3956
for start in starting_with:
3958
# Either the module name starts with the specified string
3959
name.startswith(start)
3960
# or it may contain tests starting with the specified string
3961
or start.startswith(name)
3965
loader = TestUtil.FilteredByModuleTestLoader(interesting_module)
3967
elif keep_only is not None:
3968
loader = TestUtil.FilteredByModuleTestLoader(id_filter.refers_to)
3969
def interesting_module(name):
3970
return id_filter.refers_to(name)
3973
loader = TestUtil.TestLoader()
3974
def interesting_module(name):
3975
# No filtering, all modules are interesting
3978
suite = loader.suiteClass()
3980
# modules building their suite with loadTestsFromModuleNames
3981
suite.addTest(loader.loadTestsFromModuleNames(_test_suite_testmod_names()))
3983
for mod in _test_suite_modules_to_doctest():
3984
if not interesting_module(mod):
3985
# No tests to keep here, move along
3988
# note that this really does mean "report only" -- doctest
3989
# still runs the rest of the examples
3990
doc_suite = doctest.DocTestSuite(mod,
3991
optionflags=doctest.REPORT_ONLY_FIRST_FAILURE)
3992
except ValueError, e:
3993
print '**failed to get doctest for: %s\n%s' % (mod, e)
3995
if len(doc_suite._tests) == 0:
3996
raise errors.BzrError("no doctests found in %s" % (mod,))
3997
suite.addTest(doc_suite)
3999
default_encoding = sys.getdefaultencoding()
4000
for name, plugin in bzrlib.plugin.plugins().items():
4001
if not interesting_module(plugin.module.__name__):
4003
plugin_suite = plugin.test_suite()
4004
# We used to catch ImportError here and turn it into just a warning,
4005
# but really if you don't have --no-plugins this should be a failure.
4006
# mbp 20080213 - see http://bugs.launchpad.net/bugs/189771
4007
if plugin_suite is None:
4008
plugin_suite = plugin.load_plugin_tests(loader)
4009
if plugin_suite is not None:
4010
suite.addTest(plugin_suite)
4011
if default_encoding != sys.getdefaultencoding():
4012
bzrlib.trace.warning(
4013
'Plugin "%s" tried to reset default encoding to: %s', name,
4014
sys.getdefaultencoding())
4016
sys.setdefaultencoding(default_encoding)
4018
if keep_only is not None:
4019
# Now that the referred modules have loaded their tests, keep only the
4021
suite = filter_suite_by_id_list(suite, id_filter)
4022
# Do some sanity checks on the id_list filtering
4023
not_found, duplicates = suite_matches_id_list(suite, keep_only)
4025
# The tester has used both keep_only and starting_with, so he is
4026
# already aware that some tests are excluded from the list, there
4027
# is no need to tell him which.
4030
# Some tests mentioned in the list are not in the test suite. The
4031
# list may be out of date, report to the tester.
4032
for id in not_found:
4033
bzrlib.trace.warning('"%s" not found in the test suite', id)
4034
for id in duplicates:
4035
bzrlib.trace.warning('"%s" is used as an id by several tests', id)
4040
def multiply_scenarios(scenarios_left, scenarios_right):
4041
"""Multiply two sets of scenarios.
4043
:returns: the cartesian product of the two sets of scenarios, that is
4044
a scenario for every possible combination of a left scenario and a
4048
('%s,%s' % (left_name, right_name),
4049
dict(left_dict.items() + right_dict.items()))
4050
for left_name, left_dict in scenarios_left
4051
for right_name, right_dict in scenarios_right]
4054
def multiply_tests(tests, scenarios, result):
4055
"""Multiply tests_list by scenarios into result.
4057
This is the core workhorse for test parameterisation.
4059
Typically the load_tests() method for a per-implementation test suite will
4060
call multiply_tests and return the result.
4062
:param tests: The tests to parameterise.
4063
:param scenarios: The scenarios to apply: pairs of (scenario_name,
4064
scenario_param_dict).
4065
:param result: A TestSuite to add created tests to.
4067
This returns the passed in result TestSuite with the cross product of all
4068
the tests repeated once for each scenario. Each test is adapted by adding
4069
the scenario name at the end of its id(), and updating the test object's
4070
__dict__ with the scenario_param_dict.
4072
>>> import bzrlib.tests.test_sampler
4073
>>> r = multiply_tests(
4074
... bzrlib.tests.test_sampler.DemoTest('test_nothing'),
4075
... [('one', dict(param=1)),
4076
... ('two', dict(param=2))],
4078
>>> tests = list(iter_suite_tests(r))
4082
'bzrlib.tests.test_sampler.DemoTest.test_nothing(one)'
4088
for test in iter_suite_tests(tests):
4089
apply_scenarios(test, scenarios, result)
4093
def apply_scenarios(test, scenarios, result):
4094
"""Apply the scenarios in scenarios to test and add to result.
4096
:param test: The test to apply scenarios to.
4097
:param scenarios: An iterable of scenarios to apply to test.
4099
:seealso: apply_scenario
4101
for scenario in scenarios:
4102
result.addTest(apply_scenario(test, scenario))
4106
def apply_scenario(test, scenario):
4107
"""Copy test and apply scenario to it.
4109
:param test: A test to adapt.
4110
:param scenario: A tuple describing the scenarion.
4111
The first element of the tuple is the new test id.
4112
The second element is a dict containing attributes to set on the
4114
:return: The adapted test.
4116
new_id = "%s(%s)" % (test.id(), scenario[0])
4117
new_test = clone_test(test, new_id)
4118
for name, value in scenario[1].items():
4119
setattr(new_test, name, value)
4123
def clone_test(test, new_id):
4124
"""Clone a test giving it a new id.
4126
:param test: The test to clone.
4127
:param new_id: The id to assign to it.
4128
:return: The new test.
4130
new_test = copy(test)
4131
new_test.id = lambda: new_id
4135
def _rmtree_temp_dir(dirname, test_id=None):
4136
# If LANG=C we probably have created some bogus paths
4137
# which rmtree(unicode) will fail to delete
4138
# so make sure we are using rmtree(str) to delete everything
4139
# except on win32, where rmtree(str) will fail
4140
# since it doesn't have the property of byte-stream paths
4141
# (they are either ascii or mbcs)
4142
if sys.platform == 'win32':
4143
# make sure we are using the unicode win32 api
4144
dirname = unicode(dirname)
4146
dirname = dirname.encode(sys.getfilesystemencoding())
4148
osutils.rmtree(dirname)
4150
# We don't want to fail here because some useful display will be lost
4151
# otherwise. Polluting the tmp dir is bad, but not giving all the
4152
# possible info to the test runner is even worse.
4154
ui.ui_factory.clear_term()
4155
sys.stderr.write('While running: %s\n' % (test_id,))
4156
sys.stderr.write('Unable to remove testing dir %s\n%s'
4157
% (os.path.basename(dirname), e))
4160
class Feature(object):
4161
"""An operating system Feature."""
4164
self._available = None
4166
def available(self):
4167
"""Is the feature available?
4169
:return: True if the feature is available.
4171
if self._available is None:
4172
self._available = self._probe()
4173
return self._available
4176
"""Implement this method in concrete features.
4178
:return: True if the feature is available.
4180
raise NotImplementedError
4183
if getattr(self, 'feature_name', None):
4184
return self.feature_name()
4185
return self.__class__.__name__
4188
class _SymlinkFeature(Feature):
4191
return osutils.has_symlinks()
4193
def feature_name(self):
4196
SymlinkFeature = _SymlinkFeature()
4199
class _HardlinkFeature(Feature):
4202
return osutils.has_hardlinks()
4204
def feature_name(self):
4207
HardlinkFeature = _HardlinkFeature()
4210
class _OsFifoFeature(Feature):
4213
return getattr(os, 'mkfifo', None)
4215
def feature_name(self):
4216
return 'filesystem fifos'
4218
OsFifoFeature = _OsFifoFeature()
4221
class _UnicodeFilenameFeature(Feature):
4222
"""Does the filesystem support Unicode filenames?"""
4226
# Check for character combinations unlikely to be covered by any
4227
# single non-unicode encoding. We use the characters
4228
# - greek small letter alpha (U+03B1) and
4229
# - braille pattern dots-123456 (U+283F).
4230
os.stat(u'\u03b1\u283f')
4231
except UnicodeEncodeError:
4233
except (IOError, OSError):
4234
# The filesystem allows the Unicode filename but the file doesn't
4238
# The filesystem allows the Unicode filename and the file exists,
4242
UnicodeFilenameFeature = _UnicodeFilenameFeature()
4245
def probe_unicode_in_user_encoding():
4246
"""Try to encode several unicode strings to use in unicode-aware tests.
4247
Return first successfull match.
4249
:return: (unicode value, encoded plain string value) or (None, None)
4251
possible_vals = [u'm\xb5', u'\xe1', u'\u0410']
4252
for uni_val in possible_vals:
4254
str_val = uni_val.encode(osutils.get_user_encoding())
4255
except UnicodeEncodeError:
4256
# Try a different character
4259
return uni_val, str_val
4263
def probe_bad_non_ascii(encoding):
4264
"""Try to find [bad] character with code [128..255]
4265
that cannot be decoded to unicode in some encoding.
4266
Return None if all non-ascii characters is valid
4269
for i in xrange(128, 256):
4272
char.decode(encoding)
4273
except UnicodeDecodeError:
4278
class _HTTPSServerFeature(Feature):
4279
"""Some tests want an https Server, check if one is available.
4281
Right now, the only way this is available is under python2.6 which provides
4292
def feature_name(self):
4293
return 'HTTPSServer'
4296
HTTPSServerFeature = _HTTPSServerFeature()
4299
class _ParamikoFeature(Feature):
4300
"""Is paramiko available?"""
4304
from bzrlib.transport.sftp import SFTPAbsoluteServer
4306
except errors.ParamikoNotPresent:
4309
def feature_name(self):
4313
ParamikoFeature = _ParamikoFeature()
4316
class _UnicodeFilename(Feature):
4317
"""Does the filesystem support Unicode filenames?"""
4322
except UnicodeEncodeError:
4324
except (IOError, OSError):
4325
# The filesystem allows the Unicode filename but the file doesn't
4329
# The filesystem allows the Unicode filename and the file exists,
4333
UnicodeFilename = _UnicodeFilename()
4336
class _UTF8Filesystem(Feature):
4337
"""Is the filesystem UTF-8?"""
4340
if osutils._fs_enc.upper() in ('UTF-8', 'UTF8'):
4344
UTF8Filesystem = _UTF8Filesystem()
4347
class _BreakinFeature(Feature):
4348
"""Does this platform support the breakin feature?"""
4351
from bzrlib import breakin
4352
if breakin.determine_signal() is None:
4354
if sys.platform == 'win32':
4355
# Windows doesn't have os.kill, and we catch the SIGBREAK signal.
4356
# We trigger SIGBREAK via a Console api so we need ctypes to
4357
# access the function
4364
def feature_name(self):
4365
return "SIGQUIT or SIGBREAK w/ctypes on win32"
4368
BreakinFeature = _BreakinFeature()
4371
class _CaseInsCasePresFilenameFeature(Feature):
4372
"""Is the file-system case insensitive, but case-preserving?"""
4375
fileno, name = tempfile.mkstemp(prefix='MixedCase')
4377
# first check truly case-preserving for created files, then check
4378
# case insensitive when opening existing files.
4379
name = osutils.normpath(name)
4380
base, rel = osutils.split(name)
4381
found_rel = osutils.canonical_relpath(base, name)
4382
return (found_rel == rel
4383
and os.path.isfile(name.upper())
4384
and os.path.isfile(name.lower()))
4389
def feature_name(self):
4390
return "case-insensitive case-preserving filesystem"
4392
CaseInsCasePresFilenameFeature = _CaseInsCasePresFilenameFeature()
4395
class _CaseInsensitiveFilesystemFeature(Feature):
4396
"""Check if underlying filesystem is case-insensitive but *not* case
4399
# Note that on Windows, Cygwin, MacOS etc, the file-systems are far
4400
# more likely to be case preserving, so this case is rare.
4403
if CaseInsCasePresFilenameFeature.available():
4406
if TestCaseWithMemoryTransport.TEST_ROOT is None:
4407
root = osutils.mkdtemp(prefix='testbzr-', suffix='.tmp')
4408
TestCaseWithMemoryTransport.TEST_ROOT = root
4410
root = TestCaseWithMemoryTransport.TEST_ROOT
4411
tdir = osutils.mkdtemp(prefix='case-sensitive-probe-', suffix='',
4413
name_a = osutils.pathjoin(tdir, 'a')
4414
name_A = osutils.pathjoin(tdir, 'A')
4416
result = osutils.isdir(name_A)
4417
_rmtree_temp_dir(tdir)
4420
def feature_name(self):
4421
return 'case-insensitive filesystem'
4423
CaseInsensitiveFilesystemFeature = _CaseInsensitiveFilesystemFeature()
4426
class _SubUnitFeature(Feature):
4427
"""Check if subunit is available."""
4436
def feature_name(self):
4439
SubUnitFeature = _SubUnitFeature()
4440
# Only define SubUnitBzrRunner if subunit is available.
4442
from subunit import TestProtocolClient
4443
class SubUnitBzrRunner(TextTestRunner):
4444
def run(self, test):
4445
result = BzrAutoTimingTestResultDecorator(
4446
TestProtocolClient(self.stream))
added
removed
bzrlib/tests/__init__.py
