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# Copyright (C) 2005, 2006, 2007, 2008 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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
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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 import symbol_versioning
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from bzrlib.symbol_versioning import (
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from bzrlib.transport import get_transport
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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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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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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.num_tests = num_tests
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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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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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self._formatTime(benchmark_time),
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self._elapsedTestTimeString())
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return " %s" % 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 _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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self._testConcluded(test)
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if isinstance(err[1], TestSkipped):
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return self._addSkipped(test, err)
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elif isinstance(err[1], UnavailableFeature):
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return self.addNotSupported(test, err[1].args[0])
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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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self._testConcluded(test)
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if isinstance(err[1], KnownFailure):
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return self._addKnownFailure(test, err)
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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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self._testConcluded(test)
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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 _testConcluded(self, test):
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"""Common code when a test has finished.
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Called regardless of whether it succeded, failed, etc.
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def _addKnownFailure(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 addError)
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# UnavailableFeature. Alternatively this method can be called
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# while probing for features before running the tests; in that
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# case we will see startTest and stopTest, but the test will never
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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 _addSkipped(self, test, skip_excinfo):
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if isinstance(skip_excinfo[1], TestNotApplicable):
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self.not_applicable_count += 1
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self.report_not_applicable(test, skip_excinfo)
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self.report_skip(test, skip_excinfo)
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except KeyboardInterrupt:
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self.addError(test, test._exc_info())
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# seems best to treat this as success from point-of-view of unittest
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# -- it actually does nothing so it barely matters :)
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unittest.TestResult.addSuccess(self, test)
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test._log_contents = ''
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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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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(test._get_log())
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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 report_cleaning_up(self):
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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, num_tests)
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self.pb = self.ui.nested_progress_bar()
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self._supplied_pb = False
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self._supplied_pb = True
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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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def report_starting(self):
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self.pb.update('[test 0/%d] starting...' % (self.num_tests))
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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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if self.num_tests is not None:
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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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a += ', %d missing' % len(self.unsupported)
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def report_test_start(self, test):
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self._progress_prefix_text()
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+ self._shortened_test_description(test))
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def _test_description(self, test):
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return self._shortened_test_description(test)
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def report_error(self, test, err):
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self.pb.note('ERROR: %s\n %s\n',
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self._test_description(test),
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def report_failure(self, test, err):
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self.pb.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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self.pb.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, skip_excinfo):
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def report_not_applicable(self, test, skip_excinfo):
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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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if not self._supplied_pb:
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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 report_starting(self):
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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 2 10-char
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# numbers, 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()-30))
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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, skip_excinfo):
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self.stream.writeln(' SKIP %s\n%s'
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% (self._testTimeString(test),
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self._error_summary(skip_excinfo)))
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def report_not_applicable(self, test, skip_excinfo):
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self.stream.writeln(' N/A %s\n%s'
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% (self._testTimeString(test),
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self._error_summary(skip_excinfo)))
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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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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.list_only = list_only
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"Run the given test case or test suite."
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startTime = time.time()
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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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result = result_class(self.stream,
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bench_history=self._bench_history,
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num_tests=test.countTestCases(),
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result.stop_early = self.stop_on_failure
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result.report_starting()
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if self.verbosity >= 2:
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self.stream.writeln("Listing tests only ...\n")
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for t in iter_suite_tests(test):
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self.stream.writeln("%s" % (t.id()))
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actionTaken = "Listed"
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run = result.testsRun
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stopTime = time.time()
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timeTaken = stopTime - startTime
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self.stream.writeln(result.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 result.wasSuccessful():
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self.stream.write("FAILED (")
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failed, errored = map(len, (result.failures, result.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 result.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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result.known_failure_count)
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self.stream.writeln(")")
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if result.known_failure_count:
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self.stream.writeln("OK (known_failures=%d)" %
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result.known_failure_count)
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self.stream.writeln("OK")
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if result.skip_count > 0:
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skipped = result.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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if result.unsupported:
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for feature, count in sorted(result.unsupported.items()):
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self.stream.writeln("Missing feature '%s' skipped %d tests." %
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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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for item in suite._tests:
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if isinstance(item, unittest.TestCase):
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elif isinstance(item, unittest.TestSuite):
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for r in iter_suite_tests(item):
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raise Exception('unknown object %r inside test suite %r'
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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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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(ui.CLIUIFactory):
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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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super(TestUIFactory, self).__init__()
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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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self.stdin = StringIOWrapper(stdin)
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self.stdout = sys.stdout
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self.stderr = sys.stderr
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"""See progress.ProgressBar.clear()."""
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def clear_term(self):
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"""See progress.ProgressBar.clear_term()."""
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def clear_term(self):
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"""See progress.ProgressBar.clear_term()."""
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"""See progress.ProgressBar.finished()."""
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def note(self, fmt_string, *args, **kwargs):
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"""See progress.ProgressBar.note()."""
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self.stdout.write((fmt_string + "\n") % args)
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def progress_bar(self):
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def nested_progress_bar(self):
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def update(self, message, count=None, total=None):
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"""See progress.ProgressBar.update()."""
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def get_non_echoed_password(self, prompt):
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"""Get password from stdin without trying to handle the echo mode"""
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self.stdout.write(prompt.encode(self.stdout.encoding, 'replace'))
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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 _report_leaked_threads():
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bzrlib.trace.warning('%s is leaking threads among %d leaking tests',
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TestCase._first_thread_leaker_id,
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TestCase._leaking_threads_tests)
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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')
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def __init__(self, methodName='testMethod'):
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super(TestCase, self).__init__(methodName)
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unittest.TestCase.setUp(self)
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self._cleanEnvironment()
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self._benchcalls = []
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self._benchtime = None
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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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def _check_leaked_threads(self):
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active = threading.activeCount()
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leaked_threads = active - TestCase._active_threads
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TestCase._active_threads = active
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TestCase._leaking_threads_tests += 1
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if TestCase._first_thread_leaker_id is None:
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TestCase._first_thread_leaker_id = self.id()
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# we're not specifically told when all tests are finished.
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# This will do. We use a function to avoid keeping a reference
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# to a TestCase object.
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atexit.register(_report_leaked_threads)
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def _clear_debug_flags(self):
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"""Prevent externally set debug flags affecting tests.
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Tests that want to use debug flags can just set them in the
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debug_flags set during setup/teardown.
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if 'allow_debug' not in selftest_debug_flags:
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self._preserved_debug_flags = set(debug.debug_flags)
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debug.debug_flags.clear()
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self.addCleanup(self._restore_debug_flags)
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def _clear_hooks(self):
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# prevent hooks affecting tests
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import bzrlib.smart.client
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import bzrlib.smart.server
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self._preserved_hooks = {
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bzrlib.branch.Branch: bzrlib.branch.Branch.hooks,
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bzrlib.mutabletree.MutableTree: bzrlib.mutabletree.MutableTree.hooks,
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bzrlib.smart.client._SmartClient: bzrlib.smart.client._SmartClient.hooks,
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bzrlib.smart.server.SmartTCPServer: bzrlib.smart.server.SmartTCPServer.hooks,
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self.addCleanup(self._restoreHooks)
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# reset all hooks to an empty instance of the appropriate type
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bzrlib.branch.Branch.hooks = bzrlib.branch.BranchHooks()
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bzrlib.smart.client._SmartClient.hooks = bzrlib.smart.client.SmartClientHooks()
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bzrlib.smart.server.SmartTCPServer.hooks = bzrlib.smart.server.SmartServerHooks()
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def _silenceUI(self):
819
"""Turn off UI for duration of test"""
820
# by default the UI is off; tests can turn it on if they want it.
821
saved = ui.ui_factory
823
ui.ui_factory = saved
824
ui.ui_factory = ui.SilentUIFactory()
825
self.addCleanup(_restore)
827
def _ndiff_strings(self, a, b):
828
"""Return ndiff between two strings containing lines.
830
A trailing newline is added if missing to make the strings
832
if b and b[-1] != '\n':
834
if a and a[-1] != '\n':
836
difflines = difflib.ndiff(a.splitlines(True),
838
linejunk=lambda x: False,
839
charjunk=lambda x: False)
840
return ''.join(difflines)
842
def assertEqual(self, a, b, message=''):
846
except UnicodeError, e:
847
# If we can't compare without getting a UnicodeError, then
848
# obviously they are different
849
mutter('UnicodeError: %s', e)
852
raise AssertionError("%snot equal:\na = %s\nb = %s\n"
854
pformat(a), pformat(b)))
856
assertEquals = assertEqual
858
def assertEqualDiff(self, a, b, message=None):
859
"""Assert two texts are equal, if not raise an exception.
861
This is intended for use with multi-line strings where it can
862
be hard to find the differences by eye.
864
# TODO: perhaps override assertEquals to call this for strings?
868
message = "texts not equal:\n"
870
message = 'first string is missing a final newline.\n'
872
message = 'second string is missing a final newline.\n'
873
raise AssertionError(message +
874
self._ndiff_strings(a, b))
876
def assertEqualMode(self, mode, mode_test):
877
self.assertEqual(mode, mode_test,
878
'mode mismatch %o != %o' % (mode, mode_test))
880
def assertPositive(self, val):
881
"""Assert that val is greater than 0."""
882
self.assertTrue(val > 0, 'expected a positive value, but got %s' % val)
884
def assertNegative(self, val):
885
"""Assert that val is less than 0."""
886
self.assertTrue(val < 0, 'expected a negative value, but got %s' % val)
888
def assertStartsWith(self, s, prefix):
889
if not s.startswith(prefix):
890
raise AssertionError('string %r does not start with %r' % (s, prefix))
892
def assertEndsWith(self, s, suffix):
893
"""Asserts that s ends with suffix."""
894
if not s.endswith(suffix):
895
raise AssertionError('string %r does not end with %r' % (s, suffix))
897
def assertContainsRe(self, haystack, needle_re):
898
"""Assert that a contains something matching a regular expression."""
899
if not re.search(needle_re, haystack):
900
if '\n' in haystack or len(haystack) > 60:
901
# a long string, format it in a more readable way
902
raise AssertionError(
903
'pattern "%s" not found in\n"""\\\n%s"""\n'
904
% (needle_re, haystack))
906
raise AssertionError('pattern "%s" not found in "%s"'
907
% (needle_re, haystack))
909
def assertNotContainsRe(self, haystack, needle_re):
910
"""Assert that a does not match a regular expression"""
911
if re.search(needle_re, haystack):
912
raise AssertionError('pattern "%s" found in "%s"'
913
% (needle_re, haystack))
915
def assertSubset(self, sublist, superlist):
916
"""Assert that every entry in sublist is present in superlist."""
917
missing = set(sublist) - set(superlist)
919
raise AssertionError("value(s) %r not present in container %r" %
920
(missing, superlist))
922
def assertListRaises(self, excClass, func, *args, **kwargs):
923
"""Fail unless excClass is raised when the iterator from func is used.
925
Many functions can return generators this makes sure
926
to wrap them in a list() call to make sure the whole generator
927
is run, and that the proper exception is raised.
930
list(func(*args, **kwargs))
934
if getattr(excClass,'__name__', None) is not None:
935
excName = excClass.__name__
937
excName = str(excClass)
938
raise self.failureException, "%s not raised" % excName
940
def assertRaises(self, excClass, callableObj, *args, **kwargs):
941
"""Assert that a callable raises a particular exception.
943
:param excClass: As for the except statement, this may be either an
944
exception class, or a tuple of classes.
945
:param callableObj: A callable, will be passed ``*args`` and
948
Returns the exception so that you can examine it.
951
callableObj(*args, **kwargs)
955
if getattr(excClass,'__name__', None) is not None:
956
excName = excClass.__name__
959
excName = str(excClass)
960
raise self.failureException, "%s not raised" % excName
962
def assertIs(self, left, right, message=None):
963
if not (left is right):
964
if message is not None:
965
raise AssertionError(message)
967
raise AssertionError("%r is not %r." % (left, right))
969
def assertIsNot(self, left, right, message=None):
971
if message is not None:
972
raise AssertionError(message)
974
raise AssertionError("%r is %r." % (left, right))
976
def assertTransportMode(self, transport, path, mode):
977
"""Fail if a path does not have mode mode.
979
If modes are not supported on this transport, the assertion is ignored.
981
if not transport._can_roundtrip_unix_modebits():
983
path_stat = transport.stat(path)
984
actual_mode = stat.S_IMODE(path_stat.st_mode)
985
self.assertEqual(mode, actual_mode,
986
'mode of %r incorrect (%o != %o)' % (path, mode, actual_mode))
988
def assertIsSameRealPath(self, path1, path2):
989
"""Fail if path1 and path2 points to different files"""
990
self.assertEqual(osutils.realpath(path1),
991
osutils.realpath(path2),
992
"apparent paths:\na = %s\nb = %s\n," % (path1, path2))
994
def assertIsInstance(self, obj, kls):
995
"""Fail if obj is not an instance of kls"""
996
if not isinstance(obj, kls):
997
self.fail("%r is an instance of %s rather than %s" % (
998
obj, obj.__class__, kls))
1000
def expectFailure(self, reason, assertion, *args, **kwargs):
1001
"""Invoke a test, expecting it to fail for the given reason.
1003
This is for assertions that ought to succeed, but currently fail.
1004
(The failure is *expected* but not *wanted*.) Please be very precise
1005
about the failure you're expecting. If a new bug is introduced,
1006
AssertionError should be raised, not KnownFailure.
1008
Frequently, expectFailure should be followed by an opposite assertion.
1011
Intended to be used with a callable that raises AssertionError as the
1012
'assertion' parameter. args and kwargs are passed to the 'assertion'.
1014
Raises KnownFailure if the test fails. Raises AssertionError if the
1019
self.expectFailure('Math is broken', self.assertNotEqual, 54,
1021
self.assertEqual(42, dynamic_val)
1023
This means that a dynamic_val of 54 will cause the test to raise
1024
a KnownFailure. Once math is fixed and the expectFailure is removed,
1025
only a dynamic_val of 42 will allow the test to pass. Anything other
1026
than 54 or 42 will cause an AssertionError.
1029
assertion(*args, **kwargs)
1030
except AssertionError:
1031
raise KnownFailure(reason)
1033
self.fail('Unexpected success. Should have failed: %s' % reason)
1035
def assertFileEqual(self, content, path):
1036
"""Fail if path does not contain 'content'."""
1037
self.failUnlessExists(path)
1038
f = file(path, 'rb')
1043
self.assertEqualDiff(content, s)
1045
def failUnlessExists(self, path):
1046
"""Fail unless path or paths, which may be abs or relative, exist."""
1047
if not isinstance(path, basestring):
1049
self.failUnlessExists(p)
1051
self.failUnless(osutils.lexists(path),path+" does not exist")
1053
def failIfExists(self, path):
1054
"""Fail if path or paths, which may be abs or relative, exist."""
1055
if not isinstance(path, basestring):
1057
self.failIfExists(p)
1059
self.failIf(osutils.lexists(path),path+" exists")
1061
def _capture_deprecation_warnings(self, a_callable, *args, **kwargs):
1062
"""A helper for callDeprecated and applyDeprecated.
1064
:param a_callable: A callable to call.
1065
:param args: The positional arguments for the callable
1066
:param kwargs: The keyword arguments for the callable
1067
:return: A tuple (warnings, result). result is the result of calling
1068
a_callable(``*args``, ``**kwargs``).
1071
def capture_warnings(msg, cls=None, stacklevel=None):
1072
# we've hooked into a deprecation specific callpath,
1073
# only deprecations should getting sent via it.
1074
self.assertEqual(cls, DeprecationWarning)
1075
local_warnings.append(msg)
1076
original_warning_method = symbol_versioning.warn
1077
symbol_versioning.set_warning_method(capture_warnings)
1079
result = a_callable(*args, **kwargs)
1081
symbol_versioning.set_warning_method(original_warning_method)
1082
return (local_warnings, result)
1084
def applyDeprecated(self, deprecation_format, a_callable, *args, **kwargs):
1085
"""Call a deprecated callable without warning the user.
1087
Note that this only captures warnings raised by symbol_versioning.warn,
1088
not other callers that go direct to the warning module.
1090
To test that a deprecated method raises an error, do something like
1093
self.assertRaises(errors.ReservedId,
1094
self.applyDeprecated,
1095
deprecated_in((1, 5, 0)),
1099
:param deprecation_format: The deprecation format that the callable
1100
should have been deprecated with. This is the same type as the
1101
parameter to deprecated_method/deprecated_function. If the
1102
callable is not deprecated with this format, an assertion error
1104
:param a_callable: A callable to call. This may be a bound method or
1105
a regular function. It will be called with ``*args`` and
1107
:param args: The positional arguments for the callable
1108
:param kwargs: The keyword arguments for the callable
1109
:return: The result of a_callable(``*args``, ``**kwargs``)
1111
call_warnings, result = self._capture_deprecation_warnings(a_callable,
1113
expected_first_warning = symbol_versioning.deprecation_string(
1114
a_callable, deprecation_format)
1115
if len(call_warnings) == 0:
1116
self.fail("No deprecation warning generated by call to %s" %
1118
self.assertEqual(expected_first_warning, call_warnings[0])
1121
def callCatchWarnings(self, fn, *args, **kw):
1122
"""Call a callable that raises python warnings.
1124
The caller's responsible for examining the returned warnings.
1126
If the callable raises an exception, the exception is not
1127
caught and propagates up to the caller. In that case, the list
1128
of warnings is not available.
1130
:returns: ([warning_object, ...], fn_result)
1132
# XXX: This is not perfect, because it completely overrides the
1133
# warnings filters, and some code may depend on suppressing particular
1134
# warnings. It's the easiest way to insulate ourselves from -Werror,
1135
# though. -- Andrew, 20071062
1137
def _catcher(message, category, filename, lineno, file=None):
1138
# despite the name, 'message' is normally(?) a Warning subclass
1140
wlist.append(message)
1141
saved_showwarning = warnings.showwarning
1142
saved_filters = warnings.filters
1144
warnings.showwarning = _catcher
1145
warnings.filters = []
1146
result = fn(*args, **kw)
1148
warnings.showwarning = saved_showwarning
1149
warnings.filters = saved_filters
1150
return wlist, result
1152
def callDeprecated(self, expected, callable, *args, **kwargs):
1153
"""Assert that a callable is deprecated in a particular way.
1155
This is a very precise test for unusual requirements. The
1156
applyDeprecated helper function is probably more suited for most tests
1157
as it allows you to simply specify the deprecation format being used
1158
and will ensure that that is issued for the function being called.
1160
Note that this only captures warnings raised by symbol_versioning.warn,
1161
not other callers that go direct to the warning module. To catch
1162
general warnings, use callCatchWarnings.
1164
:param expected: a list of the deprecation warnings expected, in order
1165
:param callable: The callable to call
1166
:param args: The positional arguments for the callable
1167
:param kwargs: The keyword arguments for the callable
1169
call_warnings, result = self._capture_deprecation_warnings(callable,
1171
self.assertEqual(expected, call_warnings)
1174
def _startLogFile(self):
1175
"""Send bzr and test log messages to a temporary file.
1177
The file is removed as the test is torn down.
1179
fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
1180
self._log_file = os.fdopen(fileno, 'w+')
1181
self._log_memento = bzrlib.trace.push_log_file(self._log_file)
1182
self._log_file_name = name
1183
self.addCleanup(self._finishLogFile)
1185
def _finishLogFile(self):
1186
"""Finished with the log file.
1188
Close the file and delete it, unless setKeepLogfile was called.
1190
if self._log_file is None:
1192
bzrlib.trace.pop_log_file(self._log_memento)
1193
self._log_file.close()
1194
self._log_file = None
1195
if not self._keep_log_file:
1196
os.remove(self._log_file_name)
1197
self._log_file_name = None
1199
def setKeepLogfile(self):
1200
"""Make the logfile not be deleted when _finishLogFile is called."""
1201
self._keep_log_file = True
1203
def addCleanup(self, callable, *args, **kwargs):
1204
"""Arrange to run a callable when this case is torn down.
1206
Callables are run in the reverse of the order they are registered,
1207
ie last-in first-out.
1209
self._cleanups.append((callable, args, kwargs))
1211
def _cleanEnvironment(self):
1213
'BZR_HOME': None, # Don't inherit BZR_HOME to all the tests.
1214
'HOME': os.getcwd(),
1215
# bzr now uses the Win32 API and doesn't rely on APPDATA, but the
1216
# tests do check our impls match APPDATA
1217
'BZR_EDITOR': None, # test_msgeditor manipulates this variable
1219
'BZREMAIL': None, # may still be present in the environment
1221
'BZR_PROGRESS_BAR': None,
1224
'SSH_AUTH_SOCK': None,
1228
'https_proxy': None,
1229
'HTTPS_PROXY': None,
1234
# Nobody cares about these ones AFAIK. So far at
1235
# least. If you do (care), please update this comment
1239
'BZR_REMOTE_PATH': None,
1242
self.addCleanup(self._restoreEnvironment)
1243
for name, value in new_env.iteritems():
1244
self._captureVar(name, value)
1246
def _captureVar(self, name, newvalue):
1247
"""Set an environment variable, and reset it when finished."""
1248
self.__old_env[name] = osutils.set_or_unset_env(name, newvalue)
1250
def _restore_debug_flags(self):
1251
debug.debug_flags.clear()
1252
debug.debug_flags.update(self._preserved_debug_flags)
1254
def _restoreEnvironment(self):
1255
for name, value in self.__old_env.iteritems():
1256
osutils.set_or_unset_env(name, value)
1258
def _restoreHooks(self):
1259
for klass, hooks in self._preserved_hooks.items():
1260
setattr(klass, 'hooks', hooks)
1262
def knownFailure(self, reason):
1263
"""This test has failed for some known reason."""
1264
raise KnownFailure(reason)
1266
def run(self, result=None):
1267
if result is None: result = self.defaultTestResult()
1268
for feature in getattr(self, '_test_needs_features', []):
1269
if not feature.available():
1270
result.startTest(self)
1271
if getattr(result, 'addNotSupported', None):
1272
result.addNotSupported(self, feature)
1274
result.addSuccess(self)
1275
result.stopTest(self)
1278
return unittest.TestCase.run(self, result)
1281
absent_attr = object()
1282
for attr_name in self.attrs_to_keep:
1283
attr = getattr(self, attr_name, absent_attr)
1284
if attr is not absent_attr:
1285
saved_attrs[attr_name] = attr
1286
self.__dict__ = saved_attrs
1290
unittest.TestCase.tearDown(self)
1292
def time(self, callable, *args, **kwargs):
1293
"""Run callable and accrue the time it takes to the benchmark time.
1295
If lsprofiling is enabled (i.e. by --lsprof-time to bzr selftest) then
1296
this will cause lsprofile statistics to be gathered and stored in
1299
if self._benchtime is None:
1303
if not self._gather_lsprof_in_benchmarks:
1304
return callable(*args, **kwargs)
1306
# record this benchmark
1307
ret, stats = bzrlib.lsprof.profile(callable, *args, **kwargs)
1309
self._benchcalls.append(((callable, args, kwargs), stats))
1312
self._benchtime += time.time() - start
1314
def _runCleanups(self):
1315
"""Run registered cleanup functions.
1317
This should only be called from TestCase.tearDown.
1319
# TODO: Perhaps this should keep running cleanups even if
1320
# one of them fails?
1322
# Actually pop the cleanups from the list so tearDown running
1323
# twice is safe (this happens for skipped tests).
1324
while self._cleanups:
1325
cleanup, args, kwargs = self._cleanups.pop()
1326
cleanup(*args, **kwargs)
1328
def log(self, *args):
1331
def _get_log(self, keep_log_file=False):
1332
"""Get the log from bzrlib.trace calls from this test.
1334
:param keep_log_file: When True, if the log is still a file on disk
1335
leave it as a file on disk. When False, if the log is still a file
1336
on disk, the log file is deleted and the log preserved as
1338
:return: A string containing the log.
1340
# flush the log file, to get all content
1342
bzrlib.trace._trace_file.flush()
1343
if self._log_contents:
1344
# XXX: this can hardly contain the content flushed above --vila
1346
return self._log_contents
1347
if self._log_file_name is not None:
1348
logfile = open(self._log_file_name)
1350
log_contents = logfile.read()
1353
if not keep_log_file:
1354
self._log_contents = log_contents
1356
os.remove(self._log_file_name)
1358
if sys.platform == 'win32' and e.errno == errno.EACCES:
1359
sys.stderr.write(('Unable to delete log file '
1360
' %r\n' % self._log_file_name))
1365
return "DELETED log file to reduce memory footprint"
1367
def requireFeature(self, feature):
1368
"""This test requires a specific feature is available.
1370
:raises UnavailableFeature: When feature is not available.
1372
if not feature.available():
1373
raise UnavailableFeature(feature)
1375
def _run_bzr_autosplit(self, args, retcode, encoding, stdin,
1377
"""Run bazaar command line, splitting up a string command line."""
1378
if isinstance(args, basestring):
1379
# shlex don't understand unicode strings,
1380
# so args should be plain string (bialix 20070906)
1381
args = list(shlex.split(str(args)))
1382
return self._run_bzr_core(args, retcode=retcode,
1383
encoding=encoding, stdin=stdin, working_dir=working_dir,
1386
def _run_bzr_core(self, args, retcode, encoding, stdin,
1388
if encoding is None:
1389
encoding = bzrlib.user_encoding
1390
stdout = StringIOWrapper()
1391
stderr = StringIOWrapper()
1392
stdout.encoding = encoding
1393
stderr.encoding = encoding
1395
self.log('run bzr: %r', args)
1396
# FIXME: don't call into logging here
1397
handler = logging.StreamHandler(stderr)
1398
handler.setLevel(logging.INFO)
1399
logger = logging.getLogger('')
1400
logger.addHandler(handler)
1401
old_ui_factory = ui.ui_factory
1402
ui.ui_factory = TestUIFactory(stdin=stdin, stdout=stdout, stderr=stderr)
1405
if working_dir is not None:
1406
cwd = osutils.getcwd()
1407
os.chdir(working_dir)
1410
result = self.apply_redirected(ui.ui_factory.stdin,
1412
bzrlib.commands.run_bzr_catch_user_errors,
1415
logger.removeHandler(handler)
1416
ui.ui_factory = old_ui_factory
1420
out = stdout.getvalue()
1421
err = stderr.getvalue()
1423
self.log('output:\n%r', out)
1425
self.log('errors:\n%r', err)
1426
if retcode is not None:
1427
self.assertEquals(retcode, result,
1428
message='Unexpected return code')
1431
def run_bzr(self, args, retcode=0, encoding=None, stdin=None,
1432
working_dir=None, error_regexes=[], output_encoding=None):
1433
"""Invoke bzr, as if it were run from the command line.
1435
The argument list should not include the bzr program name - the
1436
first argument is normally the bzr command. Arguments may be
1437
passed in three ways:
1439
1- A list of strings, eg ["commit", "a"]. This is recommended
1440
when the command contains whitespace or metacharacters, or
1441
is built up at run time.
1443
2- A single string, eg "add a". This is the most convenient
1444
for hardcoded commands.
1446
This runs bzr through the interface that catches and reports
1447
errors, and with logging set to something approximating the
1448
default, so that error reporting can be checked.
1450
This should be the main method for tests that want to exercise the
1451
overall behavior of the bzr application (rather than a unit test
1452
or a functional test of the library.)
1454
This sends the stdout/stderr results into the test's log,
1455
where it may be useful for debugging. See also run_captured.
1457
:keyword stdin: A string to be used as stdin for the command.
1458
:keyword retcode: The status code the command should return;
1460
:keyword working_dir: The directory to run the command in
1461
:keyword error_regexes: A list of expected error messages. If
1462
specified they must be seen in the error output of the command.
1464
out, err = self._run_bzr_autosplit(
1469
working_dir=working_dir,
1471
for regex in error_regexes:
1472
self.assertContainsRe(err, regex)
1475
def run_bzr_error(self, error_regexes, *args, **kwargs):
1476
"""Run bzr, and check that stderr contains the supplied regexes
1478
:param error_regexes: Sequence of regular expressions which
1479
must each be found in the error output. The relative ordering
1481
:param args: command-line arguments for bzr
1482
:param kwargs: Keyword arguments which are interpreted by run_bzr
1483
This function changes the default value of retcode to be 3,
1484
since in most cases this is run when you expect bzr to fail.
1486
:return: (out, err) The actual output of running the command (in case
1487
you want to do more inspection)
1491
# Make sure that commit is failing because there is nothing to do
1492
self.run_bzr_error(['no changes to commit'],
1493
['commit', '-m', 'my commit comment'])
1494
# Make sure --strict is handling an unknown file, rather than
1495
# giving us the 'nothing to do' error
1496
self.build_tree(['unknown'])
1497
self.run_bzr_error(['Commit refused because there are unknown files'],
1498
['commit', --strict', '-m', 'my commit comment'])
1500
kwargs.setdefault('retcode', 3)
1501
kwargs['error_regexes'] = error_regexes
1502
out, err = self.run_bzr(*args, **kwargs)
1505
def run_bzr_subprocess(self, *args, **kwargs):
1506
"""Run bzr in a subprocess for testing.
1508
This starts a new Python interpreter and runs bzr in there.
1509
This should only be used for tests that have a justifiable need for
1510
this isolation: e.g. they are testing startup time, or signal
1511
handling, or early startup code, etc. Subprocess code can't be
1512
profiled or debugged so easily.
1514
:keyword retcode: The status code that is expected. Defaults to 0. If
1515
None is supplied, the status code is not checked.
1516
:keyword env_changes: A dictionary which lists changes to environment
1517
variables. A value of None will unset the env variable.
1518
The values must be strings. The change will only occur in the
1519
child, so you don't need to fix the environment after running.
1520
:keyword universal_newlines: Convert CRLF => LF
1521
:keyword allow_plugins: By default the subprocess is run with
1522
--no-plugins to ensure test reproducibility. Also, it is possible
1523
for system-wide plugins to create unexpected output on stderr,
1524
which can cause unnecessary test failures.
1526
env_changes = kwargs.get('env_changes', {})
1527
working_dir = kwargs.get('working_dir', None)
1528
allow_plugins = kwargs.get('allow_plugins', False)
1530
if isinstance(args[0], list):
1532
elif isinstance(args[0], basestring):
1533
args = list(shlex.split(args[0]))
1535
raise ValueError("passing varargs to run_bzr_subprocess")
1536
process = self.start_bzr_subprocess(args, env_changes=env_changes,
1537
working_dir=working_dir,
1538
allow_plugins=allow_plugins)
1539
# We distinguish between retcode=None and retcode not passed.
1540
supplied_retcode = kwargs.get('retcode', 0)
1541
return self.finish_bzr_subprocess(process, retcode=supplied_retcode,
1542
universal_newlines=kwargs.get('universal_newlines', False),
1545
def start_bzr_subprocess(self, process_args, env_changes=None,
1546
skip_if_plan_to_signal=False,
1548
allow_plugins=False):
1549
"""Start bzr in a subprocess for testing.
1551
This starts a new Python interpreter and runs bzr in there.
1552
This should only be used for tests that have a justifiable need for
1553
this isolation: e.g. they are testing startup time, or signal
1554
handling, or early startup code, etc. Subprocess code can't be
1555
profiled or debugged so easily.
1557
:param process_args: a list of arguments to pass to the bzr executable,
1558
for example ``['--version']``.
1559
:param env_changes: A dictionary which lists changes to environment
1560
variables. A value of None will unset the env variable.
1561
The values must be strings. The change will only occur in the
1562
child, so you don't need to fix the environment after running.
1563
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
1565
:param allow_plugins: If False (default) pass --no-plugins to bzr.
1567
:returns: Popen object for the started process.
1569
if skip_if_plan_to_signal:
1570
if not getattr(os, 'kill', None):
1571
raise TestSkipped("os.kill not available.")
1573
if env_changes is None:
1577
def cleanup_environment():
1578
for env_var, value in env_changes.iteritems():
1579
old_env[env_var] = osutils.set_or_unset_env(env_var, value)
1581
def restore_environment():
1582
for env_var, value in old_env.iteritems():
1583
osutils.set_or_unset_env(env_var, value)
1585
bzr_path = self.get_bzr_path()
1588
if working_dir is not None:
1589
cwd = osutils.getcwd()
1590
os.chdir(working_dir)
1593
# win32 subprocess doesn't support preexec_fn
1594
# so we will avoid using it on all platforms, just to
1595
# make sure the code path is used, and we don't break on win32
1596
cleanup_environment()
1597
command = [sys.executable]
1598
# frozen executables don't need the path to bzr
1599
if getattr(sys, "frozen", None) is None:
1600
command.append(bzr_path)
1601
if not allow_plugins:
1602
command.append('--no-plugins')
1603
command.extend(process_args)
1604
process = self._popen(command, stdin=PIPE, stdout=PIPE, stderr=PIPE)
1606
restore_environment()
1612
def _popen(self, *args, **kwargs):
1613
"""Place a call to Popen.
1615
Allows tests to override this method to intercept the calls made to
1616
Popen for introspection.
1618
return Popen(*args, **kwargs)
1620
def get_bzr_path(self):
1621
"""Return the path of the 'bzr' executable for this test suite."""
1622
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
1623
if not os.path.isfile(bzr_path):
1624
# We are probably installed. Assume sys.argv is the right file
1625
bzr_path = sys.argv[0]
1628
def finish_bzr_subprocess(self, process, retcode=0, send_signal=None,
1629
universal_newlines=False, process_args=None):
1630
"""Finish the execution of process.
1632
:param process: the Popen object returned from start_bzr_subprocess.
1633
:param retcode: The status code that is expected. Defaults to 0. If
1634
None is supplied, the status code is not checked.
1635
:param send_signal: an optional signal to send to the process.
1636
:param universal_newlines: Convert CRLF => LF
1637
:returns: (stdout, stderr)
1639
if send_signal is not None:
1640
os.kill(process.pid, send_signal)
1641
out, err = process.communicate()
1643
if universal_newlines:
1644
out = out.replace('\r\n', '\n')
1645
err = err.replace('\r\n', '\n')
1647
if retcode is not None and retcode != process.returncode:
1648
if process_args is None:
1649
process_args = "(unknown args)"
1650
mutter('Output of bzr %s:\n%s', process_args, out)
1651
mutter('Error for bzr %s:\n%s', process_args, err)
1652
self.fail('Command bzr %s failed with retcode %s != %s'
1653
% (process_args, retcode, process.returncode))
1656
def check_inventory_shape(self, inv, shape):
1657
"""Compare an inventory to a list of expected names.
1659
Fail if they are not precisely equal.
1662
shape = list(shape) # copy
1663
for path, ie in inv.entries():
1664
name = path.replace('\\', '/')
1665
if ie.kind == 'directory':
1672
self.fail("expected paths not found in inventory: %r" % shape)
1674
self.fail("unexpected paths found in inventory: %r" % extras)
1676
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
1677
a_callable=None, *args, **kwargs):
1678
"""Call callable with redirected std io pipes.
1680
Returns the return code."""
1681
if not callable(a_callable):
1682
raise ValueError("a_callable must be callable.")
1684
stdin = StringIO("")
1686
if getattr(self, "_log_file", None) is not None:
1687
stdout = self._log_file
1691
if getattr(self, "_log_file", None is not None):
1692
stderr = self._log_file
1695
real_stdin = sys.stdin
1696
real_stdout = sys.stdout
1697
real_stderr = sys.stderr
1702
return a_callable(*args, **kwargs)
1704
sys.stdout = real_stdout
1705
sys.stderr = real_stderr
1706
sys.stdin = real_stdin
1708
def reduceLockdirTimeout(self):
1709
"""Reduce the default lock timeout for the duration of the test, so that
1710
if LockContention occurs during a test, it does so quickly.
1712
Tests that expect to provoke LockContention errors should call this.
1714
orig_timeout = bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS
1716
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = orig_timeout
1717
self.addCleanup(resetTimeout)
1718
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = 0
1720
def make_utf8_encoded_stringio(self, encoding_type=None):
1721
"""Return a StringIOWrapper instance, that will encode Unicode
1724
if encoding_type is None:
1725
encoding_type = 'strict'
1727
output_encoding = 'utf-8'
1728
sio = codecs.getwriter(output_encoding)(sio, errors=encoding_type)
1729
sio.encoding = output_encoding
1733
class TestCaseWithMemoryTransport(TestCase):
1734
"""Common test class for tests that do not need disk resources.
1736
Tests that need disk resources should derive from TestCaseWithTransport.
1738
TestCaseWithMemoryTransport sets the TEST_ROOT variable for all bzr tests.
1740
For TestCaseWithMemoryTransport the test_home_dir is set to the name of
1741
a directory which does not exist. This serves to help ensure test isolation
1742
is preserved. test_dir is set to the TEST_ROOT, as is cwd, because they
1743
must exist. However, TestCaseWithMemoryTransport does not offer local
1744
file defaults for the transport in tests, nor does it obey the command line
1745
override, so tests that accidentally write to the common directory should
1748
:cvar TEST_ROOT: Directory containing all temporary directories, plus
1749
a .bzr directory that stops us ascending higher into the filesystem.
1755
def __init__(self, methodName='runTest'):
1756
# allow test parameterization after test construction and before test
1757
# execution. Variables that the parameterizer sets need to be
1758
# ones that are not set by setUp, or setUp will trash them.
1759
super(TestCaseWithMemoryTransport, self).__init__(methodName)
1760
self.vfs_transport_factory = default_transport
1761
self.transport_server = None
1762
self.transport_readonly_server = None
1763
self.__vfs_server = None
1765
def get_transport(self, relpath=None):
1766
"""Return a writeable transport.
1768
This transport is for the test scratch space relative to
1771
:param relpath: a path relative to the base url.
1773
t = get_transport(self.get_url(relpath))
1774
self.assertFalse(t.is_readonly())
1777
def get_readonly_transport(self, relpath=None):
1778
"""Return a readonly transport for the test scratch space
1780
This can be used to test that operations which should only need
1781
readonly access in fact do not try to write.
1783
:param relpath: a path relative to the base url.
1785
t = get_transport(self.get_readonly_url(relpath))
1786
self.assertTrue(t.is_readonly())
1789
def create_transport_readonly_server(self):
1790
"""Create a transport server from class defined at init.
1792
This is mostly a hook for daughter classes.
1794
return self.transport_readonly_server()
1796
def get_readonly_server(self):
1797
"""Get the server instance for the readonly transport
1799
This is useful for some tests with specific servers to do diagnostics.
1801
if self.__readonly_server is None:
1802
if self.transport_readonly_server is None:
1803
# readonly decorator requested
1804
# bring up the server
1805
self.__readonly_server = ReadonlyServer()
1806
self.__readonly_server.setUp(self.get_vfs_only_server())
1808
self.__readonly_server = self.create_transport_readonly_server()
1809
self.__readonly_server.setUp(self.get_vfs_only_server())
1810
self.addCleanup(self.__readonly_server.tearDown)
1811
return self.__readonly_server
1813
def get_readonly_url(self, relpath=None):
1814
"""Get a URL for the readonly transport.
1816
This will either be backed by '.' or a decorator to the transport
1817
used by self.get_url()
1818
relpath provides for clients to get a path relative to the base url.
1819
These should only be downwards relative, not upwards.
1821
base = self.get_readonly_server().get_url()
1822
return self._adjust_url(base, relpath)
1824
def get_vfs_only_server(self):
1825
"""Get the vfs only read/write server instance.
1827
This is useful for some tests with specific servers that need
1830
For TestCaseWithMemoryTransport this is always a MemoryServer, and there
1831
is no means to override it.
1833
if self.__vfs_server is None:
1834
self.__vfs_server = MemoryServer()
1835
self.__vfs_server.setUp()
1836
self.addCleanup(self.__vfs_server.tearDown)
1837
return self.__vfs_server
1839
def get_server(self):
1840
"""Get the read/write server instance.
1842
This is useful for some tests with specific servers that need
1845
This is built from the self.transport_server factory. If that is None,
1846
then the self.get_vfs_server is returned.
1848
if self.__server is None:
1849
if self.transport_server is None or self.transport_server is self.vfs_transport_factory:
1850
return self.get_vfs_only_server()
1852
# bring up a decorated means of access to the vfs only server.
1853
self.__server = self.transport_server()
1855
self.__server.setUp(self.get_vfs_only_server())
1856
except TypeError, e:
1857
# This should never happen; the try:Except here is to assist
1858
# developers having to update code rather than seeing an
1859
# uninformative TypeError.
1860
raise Exception, "Old server API in use: %s, %s" % (self.__server, e)
1861
self.addCleanup(self.__server.tearDown)
1862
return self.__server
1864
def _adjust_url(self, base, relpath):
1865
"""Get a URL (or maybe a path) for the readwrite transport.
1867
This will either be backed by '.' or to an equivalent non-file based
1869
relpath provides for clients to get a path relative to the base url.
1870
These should only be downwards relative, not upwards.
1872
if relpath is not None and relpath != '.':
1873
if not base.endswith('/'):
1875
# XXX: Really base should be a url; we did after all call
1876
# get_url()! But sometimes it's just a path (from
1877
# LocalAbspathServer), and it'd be wrong to append urlescaped data
1878
# to a non-escaped local path.
1879
if base.startswith('./') or base.startswith('/'):
1882
base += urlutils.escape(relpath)
1885
def get_url(self, relpath=None):
1886
"""Get a URL (or maybe a path) for the readwrite transport.
1888
This will either be backed by '.' or to an equivalent non-file based
1890
relpath provides for clients to get a path relative to the base url.
1891
These should only be downwards relative, not upwards.
1893
base = self.get_server().get_url()
1894
return self._adjust_url(base, relpath)
1896
def get_vfs_only_url(self, relpath=None):
1897
"""Get a URL (or maybe a path for the plain old vfs transport.
1899
This will never be a smart protocol. It always has all the
1900
capabilities of the local filesystem, but it might actually be a
1901
MemoryTransport or some other similar virtual filesystem.
1903
This is the backing transport (if any) of the server returned by
1904
get_url and get_readonly_url.
1906
:param relpath: provides for clients to get a path relative to the base
1907
url. These should only be downwards relative, not upwards.
1910
base = self.get_vfs_only_server().get_url()
1911
return self._adjust_url(base, relpath)
1913
def _create_safety_net(self):
1914
"""Make a fake bzr directory.
1916
This prevents any tests propagating up onto the TEST_ROOT directory's
1919
root = TestCaseWithMemoryTransport.TEST_ROOT
1920
bzrdir.BzrDir.create_standalone_workingtree(root)
1922
def _check_safety_net(self):
1923
"""Check that the safety .bzr directory have not been touched.
1925
_make_test_root have created a .bzr directory to prevent tests from
1926
propagating. This method ensures than a test did not leaked.
1928
root = TestCaseWithMemoryTransport.TEST_ROOT
1929
wt = workingtree.WorkingTree.open(root)
1930
last_rev = wt.last_revision()
1931
if last_rev != 'null:':
1932
# The current test have modified the /bzr directory, we need to
1933
# recreate a new one or all the followng tests will fail.
1934
# If you need to inspect its content uncomment the following line
1935
# import pdb; pdb.set_trace()
1936
_rmtree_temp_dir(root + '/.bzr')
1937
self._create_safety_net()
1938
raise AssertionError('%s/.bzr should not be modified' % root)
1940
def _make_test_root(self):
1941
if TestCaseWithMemoryTransport.TEST_ROOT is None:
1942
root = osutils.mkdtemp(prefix='testbzr-', suffix='.tmp')
1943
TestCaseWithMemoryTransport.TEST_ROOT = root
1945
self._create_safety_net()
1947
# The same directory is used by all tests, and we're not
1948
# specifically told when all tests are finished. This will do.
1949
atexit.register(_rmtree_temp_dir, root)
1951
self.addCleanup(self._check_safety_net)
1953
def makeAndChdirToTestDir(self):
1954
"""Create a temporary directories for this one test.
1956
This must set self.test_home_dir and self.test_dir and chdir to
1959
For TestCaseWithMemoryTransport we chdir to the TEST_ROOT for this test.
1961
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
1962
self.test_dir = TestCaseWithMemoryTransport.TEST_ROOT
1963
self.test_home_dir = self.test_dir + "/MemoryTransportMissingHomeDir"
1965
def make_branch(self, relpath, format=None):
1966
"""Create a branch on the transport at relpath."""
1967
repo = self.make_repository(relpath, format=format)
1968
return repo.bzrdir.create_branch()
1970
def make_bzrdir(self, relpath, format=None):
1972
# might be a relative or absolute path
1973
maybe_a_url = self.get_url(relpath)
1974
segments = maybe_a_url.rsplit('/', 1)
1975
t = get_transport(maybe_a_url)
1976
if len(segments) > 1 and segments[-1] not in ('', '.'):
1980
if isinstance(format, basestring):
1981
format = bzrdir.format_registry.make_bzrdir(format)
1982
return format.initialize_on_transport(t)
1983
except errors.UninitializableFormat:
1984
raise TestSkipped("Format %s is not initializable." % format)
1986
def make_repository(self, relpath, shared=False, format=None):
1987
"""Create a repository on our default transport at relpath.
1989
Note that relpath must be a relative path, not a full url.
1991
# FIXME: If you create a remoterepository this returns the underlying
1992
# real format, which is incorrect. Actually we should make sure that
1993
# RemoteBzrDir returns a RemoteRepository.
1994
# maybe mbp 20070410
1995
made_control = self.make_bzrdir(relpath, format=format)
1996
return made_control.create_repository(shared=shared)
1998
def make_branch_and_memory_tree(self, relpath, format=None):
1999
"""Create a branch on the default transport and a MemoryTree for it."""
2000
b = self.make_branch(relpath, format=format)
2001
return memorytree.MemoryTree.create_on_branch(b)
2003
def make_branch_builder(self, relpath, format=None):
2004
url = self.get_url(relpath)
2005
tran = get_transport(url)
2006
return branchbuilder.BranchBuilder(get_transport(url), format=format)
2008
def overrideEnvironmentForTesting(self):
2009
os.environ['HOME'] = self.test_home_dir
2010
os.environ['BZR_HOME'] = self.test_home_dir
2013
super(TestCaseWithMemoryTransport, self).setUp()
2014
self._make_test_root()
2015
_currentdir = os.getcwdu()
2016
def _leaveDirectory():
2017
os.chdir(_currentdir)
2018
self.addCleanup(_leaveDirectory)
2019
self.makeAndChdirToTestDir()
2020
self.overrideEnvironmentForTesting()
2021
self.__readonly_server = None
2022
self.__server = None
2023
self.reduceLockdirTimeout()
2026
class TestCaseInTempDir(TestCaseWithMemoryTransport):
2027
"""Derived class that runs a test within a temporary directory.
2029
This is useful for tests that need to create a branch, etc.
2031
The directory is created in a slightly complex way: for each
2032
Python invocation, a new temporary top-level directory is created.
2033
All test cases create their own directory within that. If the
2034
tests complete successfully, the directory is removed.
2036
:ivar test_base_dir: The path of the top-level directory for this
2037
test, which contains a home directory and a work directory.
2039
:ivar test_home_dir: An initially empty directory under test_base_dir
2040
which is used as $HOME for this test.
2042
:ivar test_dir: A directory under test_base_dir used as the current
2043
directory when the test proper is run.
2046
OVERRIDE_PYTHON = 'python'
2048
def check_file_contents(self, filename, expect):
2049
self.log("check contents of file %s" % filename)
2050
contents = file(filename, 'r').read()
2051
if contents != expect:
2052
self.log("expected: %r" % expect)
2053
self.log("actually: %r" % contents)
2054
self.fail("contents of %s not as expected" % filename)
2056
def _getTestDirPrefix(self):
2057
# create a directory within the top level test directory
2058
if sys.platform == 'win32':
2059
name_prefix = re.sub('[<>*=+",:;_/\\-]', '_', self.id())
2060
# windows is likely to have path-length limits so use a short name
2061
name_prefix = name_prefix[-30:]
2063
name_prefix = re.sub('[/]', '_', self.id())
2066
def makeAndChdirToTestDir(self):
2067
"""See TestCaseWithMemoryTransport.makeAndChdirToTestDir().
2069
For TestCaseInTempDir we create a temporary directory based on the test
2070
name and then create two subdirs - test and home under it.
2072
name_prefix = osutils.pathjoin(self.TEST_ROOT, self._getTestDirPrefix())
2074
for i in range(100):
2075
if os.path.exists(name):
2076
name = name_prefix + '_' + str(i)
2080
# now create test and home directories within this dir
2081
self.test_base_dir = name
2082
self.test_home_dir = self.test_base_dir + '/home'
2083
os.mkdir(self.test_home_dir)
2084
self.test_dir = self.test_base_dir + '/work'
2085
os.mkdir(self.test_dir)
2086
os.chdir(self.test_dir)
2087
# put name of test inside
2088
f = file(self.test_base_dir + '/name', 'w')
2093
self.addCleanup(self.deleteTestDir)
2095
def deleteTestDir(self):
2096
os.chdir(self.TEST_ROOT)
2097
_rmtree_temp_dir(self.test_base_dir)
2099
def build_tree(self, shape, line_endings='binary', transport=None):
2100
"""Build a test tree according to a pattern.
2102
shape is a sequence of file specifications. If the final
2103
character is '/', a directory is created.
2105
This assumes that all the elements in the tree being built are new.
2107
This doesn't add anything to a branch.
2109
:type shape: list or tuple.
2110
:param line_endings: Either 'binary' or 'native'
2111
in binary mode, exact contents are written in native mode, the
2112
line endings match the default platform endings.
2113
:param transport: A transport to write to, for building trees on VFS's.
2114
If the transport is readonly or None, "." is opened automatically.
2117
if type(shape) not in (list, tuple):
2118
raise AssertionError("Parameter 'shape' should be "
2119
"a list or a tuple. Got %r instead" % (shape,))
2120
# It's OK to just create them using forward slashes on windows.
2121
if transport is None or transport.is_readonly():
2122
transport = get_transport(".")
2124
self.assert_(isinstance(name, basestring))
2126
transport.mkdir(urlutils.escape(name[:-1]))
2128
if line_endings == 'binary':
2130
elif line_endings == 'native':
2133
raise errors.BzrError(
2134
'Invalid line ending request %r' % line_endings)
2135
content = "contents of %s%s" % (name.encode('utf-8'), end)
2136
transport.put_bytes_non_atomic(urlutils.escape(name), content)
2138
def build_tree_contents(self, shape):
2139
build_tree_contents(shape)
2141
def assertInWorkingTree(self, path, root_path='.', tree=None):
2142
"""Assert whether path or paths are in the WorkingTree"""
2144
tree = workingtree.WorkingTree.open(root_path)
2145
if not isinstance(path, basestring):
2147
self.assertInWorkingTree(p, tree=tree)
2149
self.assertIsNot(tree.path2id(path), None,
2150
path+' not in working tree.')
2152
def assertNotInWorkingTree(self, path, root_path='.', tree=None):
2153
"""Assert whether path or paths are not in the WorkingTree"""
2155
tree = workingtree.WorkingTree.open(root_path)
2156
if not isinstance(path, basestring):
2158
self.assertNotInWorkingTree(p,tree=tree)
2160
self.assertIs(tree.path2id(path), None, path+' in working tree.')
2163
class TestCaseWithTransport(TestCaseInTempDir):
2164
"""A test case that provides get_url and get_readonly_url facilities.
2166
These back onto two transport servers, one for readonly access and one for
2169
If no explicit class is provided for readonly access, a
2170
ReadonlyTransportDecorator is used instead which allows the use of non disk
2171
based read write transports.
2173
If an explicit class is provided for readonly access, that server and the
2174
readwrite one must both define get_url() as resolving to os.getcwd().
2177
def get_vfs_only_server(self):
2178
"""See TestCaseWithMemoryTransport.
2180
This is useful for some tests with specific servers that need
2183
if self.__vfs_server is None:
2184
self.__vfs_server = self.vfs_transport_factory()
2185
self.__vfs_server.setUp()
2186
self.addCleanup(self.__vfs_server.tearDown)
2187
return self.__vfs_server
2189
def make_branch_and_tree(self, relpath, format=None):
2190
"""Create a branch on the transport and a tree locally.
2192
If the transport is not a LocalTransport, the Tree can't be created on
2193
the transport. In that case if the vfs_transport_factory is
2194
LocalURLServer the working tree is created in the local
2195
directory backing the transport, and the returned tree's branch and
2196
repository will also be accessed locally. Otherwise a lightweight
2197
checkout is created and returned.
2199
:param format: The BzrDirFormat.
2200
:returns: the WorkingTree.
2202
# TODO: always use the local disk path for the working tree,
2203
# this obviously requires a format that supports branch references
2204
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
2206
b = self.make_branch(relpath, format=format)
2208
return b.bzrdir.create_workingtree()
2209
except errors.NotLocalUrl:
2210
# We can only make working trees locally at the moment. If the
2211
# transport can't support them, then we keep the non-disk-backed
2212
# branch and create a local checkout.
2213
if self.vfs_transport_factory is LocalURLServer:
2214
# the branch is colocated on disk, we cannot create a checkout.
2215
# hopefully callers will expect this.
2216
local_controldir= bzrdir.BzrDir.open(self.get_vfs_only_url(relpath))
2217
wt = local_controldir.create_workingtree()
2218
if wt.branch._format != b._format:
2220
# Make sure that assigning to wt._branch fixes wt.branch,
2221
# in case the implementation details of workingtree objects
2223
self.assertIs(b, wt.branch)
2226
return b.create_checkout(relpath, lightweight=True)
2228
def assertIsDirectory(self, relpath, transport):
2229
"""Assert that relpath within transport is a directory.
2231
This may not be possible on all transports; in that case it propagates
2232
a TransportNotPossible.
2235
mode = transport.stat(relpath).st_mode
2236
except errors.NoSuchFile:
2237
self.fail("path %s is not a directory; no such file"
2239
if not stat.S_ISDIR(mode):
2240
self.fail("path %s is not a directory; has mode %#o"
2243
def assertTreesEqual(self, left, right):
2244
"""Check that left and right have the same content and properties."""
2245
# we use a tree delta to check for equality of the content, and we
2246
# manually check for equality of other things such as the parents list.
2247
self.assertEqual(left.get_parent_ids(), right.get_parent_ids())
2248
differences = left.changes_from(right)
2249
self.assertFalse(differences.has_changed(),
2250
"Trees %r and %r are different: %r" % (left, right, differences))
2253
super(TestCaseWithTransport, self).setUp()
2254
self.__vfs_server = None
2257
class ChrootedTestCase(TestCaseWithTransport):
2258
"""A support class that provides readonly urls outside the local namespace.
2260
This is done by checking if self.transport_server is a MemoryServer. if it
2261
is then we are chrooted already, if it is not then an HttpServer is used
2264
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
2265
be used without needed to redo it when a different
2266
subclass is in use ?
2270
super(ChrootedTestCase, self).setUp()
2271
if not self.vfs_transport_factory == MemoryServer:
2272
self.transport_readonly_server = HttpServer
2275
def condition_id_re(pattern):
2276
"""Create a condition filter which performs a re check on a test's id.
2278
:param pattern: A regular expression string.
2279
:return: A callable that returns True if the re matches.
2281
filter_re = re.compile(pattern)
2282
def condition(test):
2284
return filter_re.search(test_id)
2288
def condition_isinstance(klass_or_klass_list):
2289
"""Create a condition filter which returns isinstance(param, klass).
2291
:return: A callable which when called with one parameter obj return the
2292
result of isinstance(obj, klass_or_klass_list).
2295
return isinstance(obj, klass_or_klass_list)
2299
def condition_id_in_list(id_list):
2300
"""Create a condition filter which verify that test's id in a list.
2302
:param id_list: A TestIdList object.
2303
:return: A callable that returns True if the test's id appears in the list.
2305
def condition(test):
2306
return id_list.includes(test.id())
2310
def condition_id_startswith(starts):
2311
"""Create a condition filter verifying that test's id starts with a string.
2313
:param starts: A list of string.
2314
:return: A callable that returns True if the test's id starts with one of
2317
def condition(test):
2318
for start in starts:
2319
if test.id().startswith(start):
2325
def exclude_tests_by_condition(suite, condition):
2326
"""Create a test suite which excludes some tests from suite.
2328
:param suite: The suite to get tests from.
2329
:param condition: A callable whose result evaluates True when called with a
2330
test case which should be excluded from the result.
2331
:return: A suite which contains the tests found in suite that fail
2335
for test in iter_suite_tests(suite):
2336
if not condition(test):
2338
return TestUtil.TestSuite(result)
2341
def filter_suite_by_condition(suite, condition):
2342
"""Create a test suite by filtering another one.
2344
:param suite: The source suite.
2345
:param condition: A callable whose result evaluates True when called with a
2346
test case which should be included in the result.
2347
:return: A suite which contains the tests found in suite that pass
2351
for test in iter_suite_tests(suite):
2354
return TestUtil.TestSuite(result)
2357
def filter_suite_by_re(suite, pattern):
2358
"""Create a test suite by filtering another one.
2360
:param suite: the source suite
2361
:param pattern: pattern that names must match
2362
:returns: the newly created suite
2364
condition = condition_id_re(pattern)
2365
result_suite = filter_suite_by_condition(suite, condition)
2369
def filter_suite_by_id_list(suite, test_id_list):
2370
"""Create a test suite by filtering another one.
2372
:param suite: The source suite.
2373
:param test_id_list: A list of the test ids to keep as strings.
2374
:returns: the newly created suite
2376
condition = condition_id_in_list(test_id_list)
2377
result_suite = filter_suite_by_condition(suite, condition)
2381
def filter_suite_by_id_startswith(suite, start):
2382
"""Create a test suite by filtering another one.
2384
:param suite: The source suite.
2385
:param start: A list of string the test id must start with one of.
2386
:returns: the newly created suite
2388
condition = condition_id_startswith(start)
2389
result_suite = filter_suite_by_condition(suite, condition)
2393
def exclude_tests_by_re(suite, pattern):
2394
"""Create a test suite which excludes some tests from suite.
2396
:param suite: The suite to get tests from.
2397
:param pattern: A regular expression string. Test ids that match this
2398
pattern will be excluded from the result.
2399
:return: A TestSuite that contains all the tests from suite without the
2400
tests that matched pattern. The order of tests is the same as it was in
2403
return exclude_tests_by_condition(suite, condition_id_re(pattern))
2406
def preserve_input(something):
2407
"""A helper for performing test suite transformation chains.
2409
:param something: Anything you want to preserve.
2415
def randomize_suite(suite):
2416
"""Return a new TestSuite with suite's tests in random order.
2418
The tests in the input suite are flattened into a single suite in order to
2419
accomplish this. Any nested TestSuites are removed to provide global
2422
tests = list(iter_suite_tests(suite))
2423
random.shuffle(tests)
2424
return TestUtil.TestSuite(tests)
2427
def split_suite_by_condition(suite, condition):
2428
"""Split a test suite into two by a condition.
2430
:param suite: The suite to split.
2431
:param condition: The condition to match on. Tests that match this
2432
condition are returned in the first test suite, ones that do not match
2433
are in the second suite.
2434
:return: A tuple of two test suites, where the first contains tests from
2435
suite matching the condition, and the second contains the remainder
2436
from suite. The order within each output suite is the same as it was in
2441
for test in iter_suite_tests(suite):
2443
matched.append(test)
2445
did_not_match.append(test)
2446
return TestUtil.TestSuite(matched), TestUtil.TestSuite(did_not_match)
2449
def split_suite_by_re(suite, pattern):
2450
"""Split a test suite into two by a regular expression.
2452
:param suite: The suite to split.
2453
:param pattern: A regular expression string. Test ids that match this
2454
pattern will be in the first test suite returned, and the others in the
2455
second test suite returned.
2456
:return: A tuple of two test suites, where the first contains tests from
2457
suite matching pattern, and the second contains the remainder from
2458
suite. The order within each output suite is the same as it was in
2461
return split_suite_by_condition(suite, condition_id_re(pattern))
2464
def run_suite(suite, name='test', verbose=False, pattern=".*",
2465
stop_on_failure=False,
2466
transport=None, lsprof_timed=None, bench_history=None,
2467
matching_tests_first=None,
2470
exclude_pattern=None,
2472
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
2477
runner = TextTestRunner(stream=sys.stdout,
2479
verbosity=verbosity,
2480
bench_history=bench_history,
2481
list_only=list_only,
2483
runner.stop_on_failure=stop_on_failure
2484
# Initialise the random number generator and display the seed used.
2485
# We convert the seed to a long to make it reuseable across invocations.
2486
random_order = False
2487
if random_seed is not None:
2489
if random_seed == "now":
2490
random_seed = long(time.time())
2492
# Convert the seed to a long if we can
2494
random_seed = long(random_seed)
2497
runner.stream.writeln("Randomizing test order using seed %s\n" %
2499
random.seed(random_seed)
2500
# Customise the list of tests if requested
2501
if exclude_pattern is not None:
2502
suite = exclude_tests_by_re(suite, exclude_pattern)
2504
order_changer = randomize_suite
2506
order_changer = preserve_input
2507
if pattern != '.*' or random_order:
2508
if matching_tests_first:
2509
suites = map(order_changer, split_suite_by_re(suite, pattern))
2510
suite = TestUtil.TestSuite(suites)
2512
suite = order_changer(filter_suite_by_re(suite, pattern))
2514
result = runner.run(suite)
2517
return result.wasStrictlySuccessful()
2519
return result.wasSuccessful()
2522
# Controlled by "bzr selftest -E=..." option
2523
selftest_debug_flags = set()
2526
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
2528
test_suite_factory=None,
2531
matching_tests_first=None,
2534
exclude_pattern=None,
2540
"""Run the whole test suite under the enhanced runner"""
2541
# XXX: Very ugly way to do this...
2542
# Disable warning about old formats because we don't want it to disturb
2543
# any blackbox tests.
2544
from bzrlib import repository
2545
repository._deprecation_warning_done = True
2547
global default_transport
2548
if transport is None:
2549
transport = default_transport
2550
old_transport = default_transport
2551
default_transport = transport
2552
global selftest_debug_flags
2553
old_debug_flags = selftest_debug_flags
2554
if debug_flags is not None:
2555
selftest_debug_flags = set(debug_flags)
2557
if load_list is None:
2560
keep_only = load_test_id_list(load_list)
2561
if test_suite_factory is None:
2562
suite = test_suite(keep_only, starting_with)
2564
suite = test_suite_factory()
2565
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
2566
stop_on_failure=stop_on_failure,
2567
transport=transport,
2568
lsprof_timed=lsprof_timed,
2569
bench_history=bench_history,
2570
matching_tests_first=matching_tests_first,
2571
list_only=list_only,
2572
random_seed=random_seed,
2573
exclude_pattern=exclude_pattern,
2576
default_transport = old_transport
2577
selftest_debug_flags = old_debug_flags
2580
def load_test_id_list(file_name):
2581
"""Load a test id list from a text file.
2583
The format is one test id by line. No special care is taken to impose
2584
strict rules, these test ids are used to filter the test suite so a test id
2585
that do not match an existing test will do no harm. This allows user to add
2586
comments, leave blank lines, etc.
2590
ftest = open(file_name, 'rt')
2592
if e.errno != errno.ENOENT:
2595
raise errors.NoSuchFile(file_name)
2597
for test_name in ftest.readlines():
2598
test_list.append(test_name.strip())
2603
def suite_matches_id_list(test_suite, id_list):
2604
"""Warns about tests not appearing or appearing more than once.
2606
:param test_suite: A TestSuite object.
2607
:param test_id_list: The list of test ids that should be found in
2610
:return: (absents, duplicates) absents is a list containing the test found
2611
in id_list but not in test_suite, duplicates is a list containing the
2612
test found multiple times in test_suite.
2614
When using a prefined test id list, it may occurs that some tests do not
2615
exist anymore or that some tests use the same id. This function warns the
2616
tester about potential problems in his workflow (test lists are volatile)
2617
or in the test suite itself (using the same id for several tests does not
2618
help to localize defects).
2620
# Build a dict counting id occurrences
2622
for test in iter_suite_tests(test_suite):
2624
tests[id] = tests.get(id, 0) + 1
2629
occurs = tests.get(id, 0)
2631
not_found.append(id)
2633
duplicates.append(id)
2635
return not_found, duplicates
2638
class TestIdList(object):
2639
"""Test id list to filter a test suite.
2641
Relying on the assumption that test ids are built as:
2642
<module>[.<class>.<method>][(<param>+)], <module> being in python dotted
2643
notation, this class offers methods to :
2644
- avoid building a test suite for modules not refered to in the test list,
2645
- keep only the tests listed from the module test suite.
2648
def __init__(self, test_id_list):
2649
# When a test suite needs to be filtered against us we compare test ids
2650
# for equality, so a simple dict offers a quick and simple solution.
2651
self.tests = dict().fromkeys(test_id_list, True)
2653
# While unittest.TestCase have ids like:
2654
# <module>.<class>.<method>[(<param+)],
2655
# doctest.DocTestCase can have ids like:
2658
# <module>.<function>
2659
# <module>.<class>.<method>
2661
# Since we can't predict a test class from its name only, we settle on
2662
# a simple constraint: a test id always begins with its module name.
2665
for test_id in test_id_list:
2666
parts = test_id.split('.')
2667
mod_name = parts.pop(0)
2668
modules[mod_name] = True
2670
mod_name += '.' + part
2671
modules[mod_name] = True
2672
self.modules = modules
2674
def refers_to(self, module_name):
2675
"""Is there tests for the module or one of its sub modules."""
2676
return self.modules.has_key(module_name)
2678
def includes(self, test_id):
2679
return self.tests.has_key(test_id)
2682
class TestPrefixAliasRegistry(registry.Registry):
2683
"""A registry for test prefix aliases.
2685
This helps implement shorcuts for the --starting-with selftest
2686
option. Overriding existing prefixes is not allowed but not fatal (a
2687
warning will be emitted).
2690
def register(self, key, obj, help=None, info=None,
2691
override_existing=False):
2692
"""See Registry.register.
2694
Trying to override an existing alias causes a warning to be emitted,
2695
not a fatal execption.
2698
super(TestPrefixAliasRegistry, self).register(
2699
key, obj, help=help, info=info, override_existing=False)
2701
actual = self.get(key)
2702
note('Test prefix alias %s is already used for %s, ignoring %s'
2703
% (key, actual, obj))
2705
def resolve_alias(self, id_start):
2706
"""Replace the alias by the prefix in the given string.
2708
Using an unknown prefix is an error to help catching typos.
2710
parts = id_start.split('.')
2712
parts[0] = self.get(parts[0])
2714
raise errors.BzrCommandError(
2715
'%s is not a known test prefix alias' % parts[0])
2716
return '.'.join(parts)
2719
test_prefix_alias_registry = TestPrefixAliasRegistry()
2720
"""Registry of test prefix aliases."""
2723
# This alias allows to detect typos ('bzrlin.') by making all valid test ids
2724
# appear prefixed ('bzrlib.' is "replaced" by 'bzrlib.').
2725
test_prefix_alias_registry.register('bzrlib', 'bzrlib')
2727
# Obvious higest levels prefixes, feel free to add your own via a plugin
2728
test_prefix_alias_registry.register('bd', 'bzrlib.doc')
2729
test_prefix_alias_registry.register('bu', 'bzrlib.utils')
2730
test_prefix_alias_registry.register('bt', 'bzrlib.tests')
2731
test_prefix_alias_registry.register('bb', 'bzrlib.tests.blackbox')
2732
test_prefix_alias_registry.register('bp', 'bzrlib.plugins')
2735
def test_suite(keep_only=None, starting_with=None):
2736
"""Build and return TestSuite for the whole of bzrlib.
2738
:param keep_only: A list of test ids limiting the suite returned.
2740
:param starting_with: An id limiting the suite returned to the tests
2743
This function can be replaced if you need to change the default test
2744
suite on a global basis, but it is not encouraged.
2748
'bzrlib.util.tests.test_bencode',
2749
'bzrlib.tests.blackbox',
2750
'bzrlib.tests.branch_implementations',
2751
'bzrlib.tests.bzrdir_implementations',
2752
'bzrlib.tests.commands',
2753
'bzrlib.tests.inventory_implementations',
2754
'bzrlib.tests.interrepository_implementations',
2755
'bzrlib.tests.intertree_implementations',
2756
'bzrlib.tests.per_lock',
2757
'bzrlib.tests.per_repository',
2758
'bzrlib.tests.test__dirstate_helpers',
2759
'bzrlib.tests.test_ancestry',
2760
'bzrlib.tests.test_annotate',
2761
'bzrlib.tests.test_api',
2762
'bzrlib.tests.test_atomicfile',
2763
'bzrlib.tests.test_bad_files',
2764
'bzrlib.tests.test_bisect_multi',
2765
'bzrlib.tests.test_branch',
2766
'bzrlib.tests.test_branchbuilder',
2767
'bzrlib.tests.test_btree_index',
2768
'bzrlib.tests.test_bugtracker',
2769
'bzrlib.tests.test_bundle',
2770
'bzrlib.tests.test_bzrdir',
2771
'bzrlib.tests.test_cache_utf8',
2772
'bzrlib.tests.test_chunk_writer',
2773
'bzrlib.tests.test_commands',
2774
'bzrlib.tests.test_commit',
2775
'bzrlib.tests.test_commit_merge',
2776
'bzrlib.tests.test_config',
2777
'bzrlib.tests.test_conflicts',
2778
'bzrlib.tests.test_counted_lock',
2779
'bzrlib.tests.test_decorators',
2780
'bzrlib.tests.test_delta',
2781
'bzrlib.tests.test_deprecated_graph',
2782
'bzrlib.tests.test_diff',
2783
'bzrlib.tests.test_dirstate',
2784
'bzrlib.tests.test_directory_service',
2785
'bzrlib.tests.test_email_message',
2786
'bzrlib.tests.test_errors',
2787
'bzrlib.tests.test_extract',
2788
'bzrlib.tests.test_fetch',
2789
'bzrlib.tests.test_ftp_transport',
2790
'bzrlib.tests.test_generate_docs',
2791
'bzrlib.tests.test_generate_ids',
2792
'bzrlib.tests.test_globbing',
2793
'bzrlib.tests.test_gpg',
2794
'bzrlib.tests.test_graph',
2795
'bzrlib.tests.test_hashcache',
2796
'bzrlib.tests.test_help',
2797
'bzrlib.tests.test_hooks',
2798
'bzrlib.tests.test_http',
2799
'bzrlib.tests.test_http_implementations',
2800
'bzrlib.tests.test_http_response',
2801
'bzrlib.tests.test_https_ca_bundle',
2802
'bzrlib.tests.test_identitymap',
2803
'bzrlib.tests.test_ignores',
2804
'bzrlib.tests.test_index',
2805
'bzrlib.tests.test_info',
2806
'bzrlib.tests.test_inv',
2807
'bzrlib.tests.test_knit',
2808
'bzrlib.tests.test_lazy_import',
2809
'bzrlib.tests.test_lazy_regex',
2810
'bzrlib.tests.test_lockdir',
2811
'bzrlib.tests.test_lockable_files',
2812
'bzrlib.tests.test_log',
2813
'bzrlib.tests.test_lsprof',
2814
'bzrlib.tests.test_lru_cache',
2815
'bzrlib.tests.test_mail_client',
2816
'bzrlib.tests.test_memorytree',
2817
'bzrlib.tests.test_merge',
2818
'bzrlib.tests.test_merge3',
2819
'bzrlib.tests.test_merge_core',
2820
'bzrlib.tests.test_merge_directive',
2821
'bzrlib.tests.test_missing',
2822
'bzrlib.tests.test_msgeditor',
2823
'bzrlib.tests.test_multiparent',
2824
'bzrlib.tests.test_mutabletree',
2825
'bzrlib.tests.test_nonascii',
2826
'bzrlib.tests.test_options',
2827
'bzrlib.tests.test_osutils',
2828
'bzrlib.tests.test_osutils_encodings',
2829
'bzrlib.tests.test_pack',
2830
'bzrlib.tests.test_pack_repository',
2831
'bzrlib.tests.test_patch',
2832
'bzrlib.tests.test_patches',
2833
'bzrlib.tests.test_permissions',
2834
'bzrlib.tests.test_plugins',
2835
'bzrlib.tests.test_progress',
2836
'bzrlib.tests.test_read_bundle',
2837
'bzrlib.tests.test_reconfigure',
2838
'bzrlib.tests.test_reconcile',
2839
'bzrlib.tests.test_registry',
2840
'bzrlib.tests.test_remote',
2841
'bzrlib.tests.test_repository',
2842
'bzrlib.tests.per_repository_reference',
2843
'bzrlib.tests.test_revert',
2844
'bzrlib.tests.test_revision',
2845
'bzrlib.tests.test_revisionspec',
2846
'bzrlib.tests.test_revisiontree',
2847
'bzrlib.tests.test_rio',
2848
'bzrlib.tests.test_rules',
2849
'bzrlib.tests.test_sampler',
2850
'bzrlib.tests.test_selftest',
2851
'bzrlib.tests.test_setup',
2852
'bzrlib.tests.test_sftp_transport',
2853
'bzrlib.tests.test_smart',
2854
'bzrlib.tests.test_smart_add',
2855
'bzrlib.tests.test_smart_transport',
2856
'bzrlib.tests.test_smtp_connection',
2857
'bzrlib.tests.test_source',
2858
'bzrlib.tests.test_ssh_transport',
2859
'bzrlib.tests.test_status',
2860
'bzrlib.tests.test_store',
2861
'bzrlib.tests.test_strace',
2862
'bzrlib.tests.test_subsume',
2863
'bzrlib.tests.test_switch',
2864
'bzrlib.tests.test_symbol_versioning',
2865
'bzrlib.tests.test_tag',
2866
'bzrlib.tests.test_testament',
2867
'bzrlib.tests.test_textfile',
2868
'bzrlib.tests.test_textmerge',
2869
'bzrlib.tests.test_timestamp',
2870
'bzrlib.tests.test_trace',
2871
'bzrlib.tests.test_transactions',
2872
'bzrlib.tests.test_transform',
2873
'bzrlib.tests.test_transport',
2874
'bzrlib.tests.test_transport_implementations',
2875
'bzrlib.tests.test_transport_log',
2876
'bzrlib.tests.test_tree',
2877
'bzrlib.tests.test_treebuilder',
2878
'bzrlib.tests.test_tsort',
2879
'bzrlib.tests.test_tuned_gzip',
2880
'bzrlib.tests.test_ui',
2881
'bzrlib.tests.test_uncommit',
2882
'bzrlib.tests.test_upgrade',
2883
'bzrlib.tests.test_upgrade_stacked',
2884
'bzrlib.tests.test_urlutils',
2885
'bzrlib.tests.test_versionedfile',
2886
'bzrlib.tests.test_version',
2887
'bzrlib.tests.test_version_info',
2888
'bzrlib.tests.test__walkdirs_win32',
2889
'bzrlib.tests.test_weave',
2890
'bzrlib.tests.test_whitebox',
2891
'bzrlib.tests.test_win32utils',
2892
'bzrlib.tests.test_workingtree',
2893
'bzrlib.tests.test_workingtree_4',
2894
'bzrlib.tests.test_wsgi',
2895
'bzrlib.tests.test_xml',
2896
'bzrlib.tests.tree_implementations',
2897
'bzrlib.tests.workingtree_implementations',
2900
loader = TestUtil.TestLoader()
2903
starting_with = [test_prefix_alias_registry.resolve_alias(start)
2904
for start in starting_with]
2905
# We take precedence over keep_only because *at loading time* using
2906
# both options means we will load less tests for the same final result.
2907
def interesting_module(name):
2908
for start in starting_with:
2910
# Either the module name starts with the specified string
2911
name.startswith(start)
2912
# or it may contain tests starting with the specified string
2913
or start.startswith(name)
2917
loader = TestUtil.FilteredByModuleTestLoader(interesting_module)
2919
elif keep_only is not None:
2920
id_filter = TestIdList(keep_only)
2921
loader = TestUtil.FilteredByModuleTestLoader(id_filter.refers_to)
2922
def interesting_module(name):
2923
return id_filter.refers_to(name)
2926
loader = TestUtil.TestLoader()
2927
def interesting_module(name):
2928
# No filtering, all modules are interesting
2931
suite = loader.suiteClass()
2933
# modules building their suite with loadTestsFromModuleNames
2934
suite.addTest(loader.loadTestsFromModuleNames(testmod_names))
2936
modules_to_doctest = [
2941
'bzrlib.iterablefile',
2946
'bzrlib.symbol_versioning',
2949
'bzrlib.version_info_formats.format_custom',
2952
for mod in modules_to_doctest:
2953
if not interesting_module(mod):
2954
# No tests to keep here, move along
2957
doc_suite = doctest.DocTestSuite(mod)
2958
except ValueError, e:
2959
print '**failed to get doctest for: %s\n%s' % (mod, e)
2961
suite.addTest(doc_suite)
2963
default_encoding = sys.getdefaultencoding()
2964
for name, plugin in bzrlib.plugin.plugins().items():
2965
if not interesting_module(plugin.module.__name__):
2967
plugin_suite = plugin.test_suite()
2968
# We used to catch ImportError here and turn it into just a warning,
2969
# but really if you don't have --no-plugins this should be a failure.
2970
# mbp 20080213 - see http://bugs.launchpad.net/bugs/189771
2971
if plugin_suite is None:
2972
plugin_suite = plugin.load_plugin_tests(loader)
2973
if plugin_suite is not None:
2974
suite.addTest(plugin_suite)
2975
if default_encoding != sys.getdefaultencoding():
2976
bzrlib.trace.warning(
2977
'Plugin "%s" tried to reset default encoding to: %s', name,
2978
sys.getdefaultencoding())
2980
sys.setdefaultencoding(default_encoding)
2983
suite = filter_suite_by_id_startswith(suite, starting_with)
2985
if keep_only is not None:
2986
# Now that the referred modules have loaded their tests, keep only the
2988
suite = filter_suite_by_id_list(suite, id_filter)
2989
# Do some sanity checks on the id_list filtering
2990
not_found, duplicates = suite_matches_id_list(suite, keep_only)
2992
# The tester has used both keep_only and starting_with, so he is
2993
# already aware that some tests are excluded from the list, there
2994
# is no need to tell him which.
2997
# Some tests mentioned in the list are not in the test suite. The
2998
# list may be out of date, report to the tester.
2999
for id in not_found:
3000
bzrlib.trace.warning('"%s" not found in the test suite', id)
3001
for id in duplicates:
3002
bzrlib.trace.warning('"%s" is used as an id by several tests', id)
3007
def multiply_tests_from_modules(module_name_list, scenario_iter, loader=None):
3008
"""Adapt all tests in some given modules to given scenarios.
3010
This is the recommended public interface for test parameterization.
3011
Typically the test_suite() method for a per-implementation test
3012
suite will call multiply_tests_from_modules and return the
3015
:param module_name_list: List of fully-qualified names of test
3017
:param scenario_iter: Iterable of pairs of (scenario_name,
3018
scenario_param_dict).
3019
:param loader: If provided, will be used instead of a new
3020
bzrlib.tests.TestLoader() instance.
3022
This returns a new TestSuite containing the cross product of
3023
all the tests in all the modules, each repeated for each scenario.
3024
Each test is adapted by adding the scenario name at the end
3025
of its name, and updating the test object's __dict__ with the
3026
scenario_param_dict.
3028
>>> r = multiply_tests_from_modules(
3029
... ['bzrlib.tests.test_sampler'],
3030
... [('one', dict(param=1)),
3031
... ('two', dict(param=2))])
3032
>>> tests = list(iter_suite_tests(r))
3036
'bzrlib.tests.test_sampler.DemoTest.test_nothing(one)'
3042
# XXX: Isn't load_tests() a better way to provide the same functionality
3043
# without forcing a predefined TestScenarioApplier ? --vila 080215
3045
loader = TestUtil.TestLoader()
3047
suite = loader.suiteClass()
3049
adapter = TestScenarioApplier()
3050
adapter.scenarios = list(scenario_iter)
3051
adapt_modules(module_name_list, adapter, loader, suite)
3055
def multiply_scenarios(scenarios_left, scenarios_right):
3056
"""Multiply two sets of scenarios.
3058
:returns: the cartesian product of the two sets of scenarios, that is
3059
a scenario for every possible combination of a left scenario and a
3063
('%s,%s' % (left_name, right_name),
3064
dict(left_dict.items() + right_dict.items()))
3065
for left_name, left_dict in scenarios_left
3066
for right_name, right_dict in scenarios_right]
3070
def adapt_modules(mods_list, adapter, loader, suite):
3071
"""Adapt the modules in mods_list using adapter and add to suite."""
3072
tests = loader.loadTestsFromModuleNames(mods_list)
3073
adapt_tests(tests, adapter, suite)
3076
def adapt_tests(tests_list, adapter, suite):
3077
"""Adapt the tests in tests_list using adapter and add to suite."""
3078
for test in iter_suite_tests(tests_list):
3079
suite.addTests(adapter.adapt(test))
3082
def _rmtree_temp_dir(dirname):
3083
# If LANG=C we probably have created some bogus paths
3084
# which rmtree(unicode) will fail to delete
3085
# so make sure we are using rmtree(str) to delete everything
3086
# except on win32, where rmtree(str) will fail
3087
# since it doesn't have the property of byte-stream paths
3088
# (they are either ascii or mbcs)
3089
if sys.platform == 'win32':
3090
# make sure we are using the unicode win32 api
3091
dirname = unicode(dirname)
3093
dirname = dirname.encode(sys.getfilesystemencoding())
3095
osutils.rmtree(dirname)
3097
if sys.platform == 'win32' and e.errno == errno.EACCES:
3098
sys.stderr.write(('Permission denied: '
3099
'unable to remove testing dir '
3100
'%s\n' % os.path.basename(dirname)))
3105
class Feature(object):
3106
"""An operating system Feature."""
3109
self._available = None
3111
def available(self):
3112
"""Is the feature available?
3114
:return: True if the feature is available.
3116
if self._available is None:
3117
self._available = self._probe()
3118
return self._available
3121
"""Implement this method in concrete features.
3123
:return: True if the feature is available.
3125
raise NotImplementedError
3128
if getattr(self, 'feature_name', None):
3129
return self.feature_name()
3130
return self.__class__.__name__
3133
class _SymlinkFeature(Feature):
3136
return osutils.has_symlinks()
3138
def feature_name(self):
3141
SymlinkFeature = _SymlinkFeature()
3144
class _HardlinkFeature(Feature):
3147
return osutils.has_hardlinks()
3149
def feature_name(self):
3152
HardlinkFeature = _HardlinkFeature()
3155
class _OsFifoFeature(Feature):
3158
return getattr(os, 'mkfifo', None)
3160
def feature_name(self):
3161
return 'filesystem fifos'
3163
OsFifoFeature = _OsFifoFeature()
3166
class _UnicodeFilenameFeature(Feature):
3167
"""Does the filesystem support Unicode filenames?"""
3171
# Check for character combinations unlikely to be covered by any
3172
# single non-unicode encoding. We use the characters
3173
# - greek small letter alpha (U+03B1) and
3174
# - braille pattern dots-123456 (U+283F).
3175
os.stat(u'\u03b1\u283f')
3176
except UnicodeEncodeError:
3178
except (IOError, OSError):
3179
# The filesystem allows the Unicode filename but the file doesn't
3183
# The filesystem allows the Unicode filename and the file exists,
3187
UnicodeFilenameFeature = _UnicodeFilenameFeature()
3190
class TestScenarioApplier(object):
3191
"""A tool to apply scenarios to tests."""
3193
def adapt(self, test):
3194
"""Return a TestSuite containing a copy of test for each scenario."""
3195
result = unittest.TestSuite()
3196
for scenario in self.scenarios:
3197
result.addTest(self.adapt_test_to_scenario(test, scenario))
3200
def adapt_test_to_scenario(self, test, scenario):
3201
"""Copy test and apply scenario to it.
3203
:param test: A test to adapt.
3204
:param scenario: A tuple describing the scenarion.
3205
The first element of the tuple is the new test id.
3206
The second element is a dict containing attributes to set on the
3208
:return: The adapted test.
3210
from copy import deepcopy
3211
new_test = deepcopy(test)
3212
for name, value in scenario[1].items():
3213
setattr(new_test, name, value)
3214
new_id = "%s(%s)" % (new_test.id(), scenario[0])
3215
new_test.id = lambda: new_id
3219
def probe_unicode_in_user_encoding():
3220
"""Try to encode several unicode strings to use in unicode-aware tests.
3221
Return first successfull match.
3223
:return: (unicode value, encoded plain string value) or (None, None)
3225
possible_vals = [u'm\xb5', u'\xe1', u'\u0410']
3226
for uni_val in possible_vals:
3228
str_val = uni_val.encode(bzrlib.user_encoding)
3229
except UnicodeEncodeError:
3230
# Try a different character
3233
return uni_val, str_val
3237
def probe_bad_non_ascii(encoding):
3238
"""Try to find [bad] character with code [128..255]
3239
that cannot be decoded to unicode in some encoding.
3240
Return None if all non-ascii characters is valid
3243
for i in xrange(128, 256):
3246
char.decode(encoding)
3247
except UnicodeDecodeError:
3252
class _FTPServerFeature(Feature):
3253
"""Some tests want an FTP Server, check if one is available.
3255
Right now, the only way this is available is if 'medusa' is installed.
3256
http://www.amk.ca/python/code/medusa.html
3261
import bzrlib.tests.ftp_server
3266
def feature_name(self):
3269
FTPServerFeature = _FTPServerFeature()
3272
class _UnicodeFilename(Feature):
3273
"""Does the filesystem support Unicode filenames?"""
3278
except UnicodeEncodeError:
3280
except (IOError, OSError):
3281
# The filesystem allows the Unicode filename but the file doesn't
3285
# The filesystem allows the Unicode filename and the file exists,
3289
UnicodeFilename = _UnicodeFilename()
3292
class _UTF8Filesystem(Feature):
3293
"""Is the filesystem UTF-8?"""
3296
if osutils._fs_enc.upper() in ('UTF-8', 'UTF8'):
3300
UTF8Filesystem = _UTF8Filesystem()
3303
class _CaseInsensitiveFilesystemFeature(Feature):
3304
"""Check if underlying filesystem is case-insensitive
3305
(e.g. on Windows, Cygwin, MacOS)
3309
if TestCaseWithMemoryTransport.TEST_ROOT is None:
3310
root = osutils.mkdtemp(prefix='testbzr-', suffix='.tmp')
3311
TestCaseWithMemoryTransport.TEST_ROOT = root
3313
root = TestCaseWithMemoryTransport.TEST_ROOT
3314
tdir = osutils.mkdtemp(prefix='case-sensitive-probe-', suffix='',
3316
name_a = osutils.pathjoin(tdir, 'a')
3317
name_A = osutils.pathjoin(tdir, 'A')
3319
result = osutils.isdir(name_A)
3320
_rmtree_temp_dir(tdir)
3323
def feature_name(self):
3324
return 'case-insensitive filesystem'
3326
CaseInsensitiveFilesystemFeature = _CaseInsensitiveFilesystemFeature()