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# Copyright (C) 2005, 2006 by 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 subprocess import Popen, PIPE
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from bzrlib import memorytree
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import bzrlib.bzrdir as bzrdir
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import bzrlib.commands
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import bzrlib.bundle.serializer
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import bzrlib.errors as errors
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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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import bzrlib.osutils as osutils
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import bzrlib.progress as progress
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from bzrlib.revision import common_ancestor
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from bzrlib import symbol_versioning
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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 LocalRelpathServer
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from bzrlib.transport.readonly import ReadonlyServer
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from bzrlib.trace import mutter
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from bzrlib.tests import TestUtil
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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.urlutils as urlutils
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from bzrlib.workingtree import WorkingTree, WorkingTreeFormat2
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default_transport = LocalRelpathServer
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MODULES_TO_DOCTEST = [
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bzrlib.bundle.serializer,
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def packages_to_test():
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"""Return a list of packages to test.
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The packages are not globally imported so that import failures are
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triggered when running selftest, not when importing the command.
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import bzrlib.tests.blackbox
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import bzrlib.tests.branch_implementations
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import bzrlib.tests.bzrdir_implementations
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import bzrlib.tests.interrepository_implementations
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import bzrlib.tests.interversionedfile_implementations
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import bzrlib.tests.intertree_implementations
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import bzrlib.tests.repository_implementations
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import bzrlib.tests.revisionstore_implementations
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import bzrlib.tests.tree_implementations
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import bzrlib.tests.workingtree_implementations
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bzrlib.tests.blackbox,
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bzrlib.tests.branch_implementations,
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bzrlib.tests.bzrdir_implementations,
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bzrlib.tests.interrepository_implementations,
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bzrlib.tests.interversionedfile_implementations,
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bzrlib.tests.intertree_implementations,
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bzrlib.tests.repository_implementations,
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bzrlib.tests.revisionstore_implementations,
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bzrlib.tests.tree_implementations,
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bzrlib.tests.workingtree_implementations,
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class _MyResult(unittest._TextTestResult):
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"""Custom TestResult.
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Shows output in a different format, including displaying runtime for tests.
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def __init__(self, stream, descriptions, verbosity, pb=None,
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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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def extractBenchmarkTime(self, testCase):
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"""Add a benchmark time for the current test case."""
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self._benchmarkTime = 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):
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if self._benchmarkTime is not None:
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self._formatTime(self._benchmarkTime),
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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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return "%5dms" % (1000 * seconds)
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def _ellipsise_unimportant_words(self, a_string, final_width,
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"""Add ellipses (sp?) for overly long strings.
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:param keep_start: If true preserve the start of a_string rather
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if len(a_string) > final_width:
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result = a_string[:final_width-3] + '...'
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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 startTest(self, test):
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unittest.TestResult.startTest(self, test)
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# In a short description, the important words are in
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# the beginning, but in an id, the important words are
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SHOW_DESCRIPTIONS = False
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if not self.showAll and self.dots and self.pb is not None:
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final_width = osutils.terminal_width()
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final_width = final_width - 15 - 8
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if SHOW_DESCRIPTIONS:
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what = test.shortDescription()
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what = self._ellipsise_unimportant_words(what, final_width, keep_start=True)
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if what.startswith('bzrlib.tests.'):
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what = self._ellipsise_unimportant_words(what, final_width)
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self.stream.write(what)
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elif self.dots and self.pb is not None:
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self.pb.update(what, self.testsRun - 1, None)
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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 addError(self, test, err):
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if isinstance(err[1], TestSkipped):
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return self.addSkipped(test, err)
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unittest.TestResult.addError(self, test, err)
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test.setKeepLogfile()
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self.extractBenchmarkTime(test)
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self.stream.writeln("ERROR %s" % self._testTimeString())
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elif self.dots and self.pb is None:
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self.stream.write('E')
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self.pb.update(self._ellipsise_unimportant_words('ERROR', 13), self.testsRun, None)
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self.pb.note(self._ellipsise_unimportant_words(
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test.id() + ': ERROR',
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osutils.terminal_width()))
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def addFailure(self, test, err):
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unittest.TestResult.addFailure(self, test, err)
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test.setKeepLogfile()
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self.extractBenchmarkTime(test)
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self.stream.writeln(" FAIL %s" % self._testTimeString())
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elif self.dots and self.pb is None:
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self.stream.write('F')
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self.pb.update(self._ellipsise_unimportant_words('FAIL', 13), self.testsRun, None)
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self.pb.note(self._ellipsise_unimportant_words(
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test.id() + ': FAIL',
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osutils.terminal_width()))
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def addSuccess(self, test):
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self.extractBenchmarkTime(test)
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if self._bench_history is not None:
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if self._benchmarkTime is not None:
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self._bench_history.write("%s %s\n" % (
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self._formatTime(self._benchmarkTime),
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self.stream.writeln(' OK %s' % self._testTimeString())
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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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elif self.dots and self.pb is None:
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self.stream.write('~')
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self.pb.update(self._ellipsise_unimportant_words('OK', 13), self.testsRun, None)
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unittest.TestResult.addSuccess(self, test)
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def addSkipped(self, test, skip_excinfo):
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self.extractBenchmarkTime(test)
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print >>self.stream, ' SKIP %s' % self._testTimeString()
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print >>self.stream, ' %s' % skip_excinfo[1]
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elif self.dots and self.pb is None:
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self.stream.write('S')
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self.pb.update(self._ellipsise_unimportant_words('SKIP', 13), self.testsRun, None)
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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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except KeyboardInterrupt:
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self.addError(test, test.__exc_info())
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unittest.TestResult.addSuccess(self, test)
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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.writeln("%s: %s" % (flavour, self.getDescription(test)))
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if getattr(test, '_get_log', None) is not None:
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print >>self.stream, \
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('vvvv[log from %s]' % test.id()).ljust(78,'-')
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print >>self.stream, test._get_log()
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print >>self.stream, \
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('^^^^[log from %s]' % test.id()).ljust(78,'-')
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self.stream.writeln(self.separator2)
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self.stream.writeln("%s" % err)
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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.keep_output = keep_output
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self._bench_history = bench_history
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def _makeResult(self):
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result = _MyResult(self.stream,
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bench_history=self._bench_history)
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result.stop_early = self.stop_on_failure
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"Run the given test case or test suite."
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result = self._makeResult()
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startTime = time.time()
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if self.pb is not None:
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self.pb.update('Running tests', 0, test.countTestCases())
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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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run = result.testsRun
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self.stream.writeln("Ran %d test%s in %.3fs" %
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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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self.stream.writeln(")")
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self.stream.writeln("OK")
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if self.pb is not None:
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self.pb.update('Cleaning up', 0, 1)
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# This is still a little bogus,
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# but only a little. Folk not using our testrunner will
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# have to delete their temp directories themselves.
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test_root = TestCaseInTempDir.TEST_ROOT
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if result.wasSuccessful() or not self.keep_output:
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if test_root is not None:
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# If LANG=C we probably have created some bogus paths
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# which rmtree(unicode) will fail to delete
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# so make sure we are using rmtree(str) to delete everything
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# except on win32, where rmtree(str) will fail
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# since it doesn't have the property of byte-stream paths
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# (they are either ascii or mbcs)
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if sys.platform == 'win32':
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# make sure we are using the unicode win32 api
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test_root = unicode(test_root)
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test_root = test_root.encode(
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sys.getfilesystemencoding())
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osutils.rmtree(test_root)
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if self.pb is not None:
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self.pb.note("Failed tests working directories are in '%s'\n",
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"Failed tests working directories are in '%s'\n" %
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TestCaseInTempDir.TEST_ROOT = None
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if self.pb is not None:
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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 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 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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_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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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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bzrlib.trace.disable_default_logging()
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self._benchcalls = []
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self._benchtime = None
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def _ndiff_strings(self, a, b):
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"""Return ndiff between two strings containing lines.
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A trailing newline is added if missing to make the strings
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if b and b[-1] != '\n':
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if a and a[-1] != '\n':
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difflines = difflib.ndiff(a.splitlines(True),
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linejunk=lambda x: False,
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charjunk=lambda x: False)
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return ''.join(difflines)
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def assertEqualDiff(self, a, b, message=None):
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"""Assert two texts are equal, if not raise an exception.
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This is intended for use with multi-line strings where it can
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be hard to find the differences by eye.
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# TODO: perhaps override assertEquals to call this for strings?
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message = "texts not equal:\n"
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raise AssertionError(message +
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self._ndiff_strings(a, b))
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def assertEqualMode(self, mode, mode_test):
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self.assertEqual(mode, mode_test,
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'mode mismatch %o != %o' % (mode, mode_test))
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def assertStartsWith(self, s, prefix):
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if not s.startswith(prefix):
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raise AssertionError('string %r does not start with %r' % (s, prefix))
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def assertEndsWith(self, s, suffix):
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"""Asserts that s ends with suffix."""
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if not s.endswith(suffix):
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raise AssertionError('string %r does not end with %r' % (s, suffix))
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def assertContainsRe(self, haystack, needle_re):
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"""Assert that a contains something matching a regular expression."""
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if not re.search(needle_re, haystack):
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raise AssertionError('pattern "%s" not found in "%s"'
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% (needle_re, haystack))
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def assertNotContainsRe(self, haystack, needle_re):
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"""Assert that a does not match a regular expression"""
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if re.search(needle_re, haystack):
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raise AssertionError('pattern "%s" found in "%s"'
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% (needle_re, haystack))
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def assertSubset(self, sublist, superlist):
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"""Assert that every entry in sublist is present in superlist."""
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for entry in sublist:
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if entry not in superlist:
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missing.append(entry)
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raise AssertionError("value(s) %r not present in container %r" %
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(missing, superlist))
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def assertIs(self, left, right):
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if not (left is right):
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raise AssertionError("%r is not %r." % (left, right))
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def assertTransportMode(self, transport, path, mode):
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"""Fail if a path does not have mode mode.
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If modes are not supported on this transport, the assertion is ignored.
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if not transport._can_roundtrip_unix_modebits():
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path_stat = transport.stat(path)
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actual_mode = stat.S_IMODE(path_stat.st_mode)
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self.assertEqual(mode, actual_mode,
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'mode of %r incorrect (%o != %o)' % (path, mode, actual_mode))
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def assertIsInstance(self, obj, kls):
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"""Fail if obj is not an instance of kls"""
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if not isinstance(obj, kls):
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self.fail("%r is an instance of %s rather than %s" % (
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obj, obj.__class__, kls))
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def _capture_warnings(self, a_callable, *args, **kwargs):
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"""A helper for callDeprecated and applyDeprecated.
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:param a_callable: A callable to call.
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:param args: The positional arguments for the callable
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:param kwargs: The keyword arguments for the callable
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:return: A tuple (warnings, result). result is the result of calling
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a_callable(*args, **kwargs).
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def capture_warnings(msg, cls, stacklevel=None):
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# we've hooked into a deprecation specific callpath,
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# only deprecations should getting sent via it.
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self.assertEqual(cls, DeprecationWarning)
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local_warnings.append(msg)
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original_warning_method = symbol_versioning.warn
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symbol_versioning.set_warning_method(capture_warnings)
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result = a_callable(*args, **kwargs)
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symbol_versioning.set_warning_method(original_warning_method)
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return (local_warnings, result)
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def applyDeprecated(self, deprecation_format, a_callable, *args, **kwargs):
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"""Call a deprecated callable without warning the user.
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:param deprecation_format: The deprecation format that the callable
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should have been deprecated with. This is the same type as the
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parameter to deprecated_method/deprecated_function. If the
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callable is not deprecated with this format, an assertion error
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:param a_callable: A callable to call. This may be a bound method or
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a regular function. It will be called with *args and **kwargs.
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:param args: The positional arguments for the callable
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:param kwargs: The keyword arguments for the callable
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:return: The result of a_callable(*args, **kwargs)
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call_warnings, result = self._capture_warnings(a_callable,
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expected_first_warning = symbol_versioning.deprecation_string(
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a_callable, deprecation_format)
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if len(call_warnings) == 0:
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self.fail("No assertion generated by call to %s" %
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self.assertEqual(expected_first_warning, call_warnings[0])
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def callDeprecated(self, expected, callable, *args, **kwargs):
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"""Assert that a callable is deprecated in a particular way.
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This is a very precise test for unusual requirements. The
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applyDeprecated helper function is probably more suited for most tests
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as it allows you to simply specify the deprecation format being used
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and will ensure that that is issued for the function being called.
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:param expected: a list of the deprecation warnings expected, in order
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:param callable: The callable to call
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:param args: The positional arguments for the callable
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:param kwargs: The keyword arguments for the callable
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call_warnings, result = self._capture_warnings(callable,
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self.assertEqual(expected, call_warnings)
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def _startLogFile(self):
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"""Send bzr and test log messages to a temporary file.
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The file is removed as the test is torn down.
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fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
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self._log_file = os.fdopen(fileno, 'w+')
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self._log_nonce = bzrlib.trace.enable_test_log(self._log_file)
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self._log_file_name = name
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self.addCleanup(self._finishLogFile)
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def _finishLogFile(self):
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"""Finished with the log file.
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Close the file and delete it, unless setKeepLogfile was called.
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if self._log_file is None:
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bzrlib.trace.disable_test_log(self._log_nonce)
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self._log_file.close()
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self._log_file = None
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if not self._keep_log_file:
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os.remove(self._log_file_name)
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self._log_file_name = None
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def setKeepLogfile(self):
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"""Make the logfile not be deleted when _finishLogFile is called."""
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self._keep_log_file = True
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def addCleanup(self, callable):
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"""Arrange to run a callable when this case is torn down.
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Callables are run in the reverse of the order they are registered,
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ie last-in first-out.
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if callable in self._cleanups:
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raise ValueError("cleanup function %r already registered on %s"
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self._cleanups.append(callable)
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def _cleanEnvironment(self):
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'APPDATA': os.getcwd(),
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'BZREMAIL': None, # may still be present in the environment
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'BZR_PROGRESS_BAR': None,
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self.addCleanup(self._restoreEnvironment)
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for name, value in new_env.iteritems():
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self._captureVar(name, value)
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def _captureVar(self, name, newvalue):
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"""Set an environment variable, and reset it when finished."""
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self.__old_env[name] = osutils.set_or_unset_env(name, newvalue)
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def _restoreEnvironment(self):
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for name, value in self.__old_env.iteritems():
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osutils.set_or_unset_env(name, value)
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unittest.TestCase.tearDown(self)
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def time(self, callable, *args, **kwargs):
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"""Run callable and accrue the time it takes to the benchmark time.
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If lsprofiling is enabled (i.e. by --lsprof-time to bzr selftest) then
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this will cause lsprofile statistics to be gathered and stored in
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if self._benchtime is None:
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if not self._gather_lsprof_in_benchmarks:
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return callable(*args, **kwargs)
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# record this benchmark
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ret, stats = bzrlib.lsprof.profile(callable, *args, **kwargs)
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self._benchcalls.append(((callable, args, kwargs), stats))
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self._benchtime += time.time() - start
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def _runCleanups(self):
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"""Run registered cleanup functions.
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This should only be called from TestCase.tearDown.
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# TODO: Perhaps this should keep running cleanups even if
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for cleanup_fn in reversed(self._cleanups):
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def log(self, *args):
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def _get_log(self, keep_log_file=False):
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"""Return as a string the log for this test. If the file is still
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on disk and keep_log_file=False, delete the log file and store the
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content in self._log_contents."""
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# flush the log file, to get all content
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bzrlib.trace._trace_file.flush()
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if self._log_contents:
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return self._log_contents
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if self._log_file_name is not None:
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logfile = open(self._log_file_name)
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log_contents = logfile.read()
770
if not keep_log_file:
771
self._log_contents = log_contents
772
os.remove(self._log_file_name)
775
return "DELETED log file to reduce memory footprint"
777
def capture(self, cmd, retcode=0):
778
"""Shortcut that splits cmd into words, runs, and returns stdout"""
779
return self.run_bzr_captured(cmd.split(), retcode=retcode)[0]
781
def run_bzr_captured(self, argv, retcode=0, encoding=None, stdin=None):
782
"""Invoke bzr and return (stdout, stderr).
784
Useful for code that wants to check the contents of the
785
output, the way error messages are presented, etc.
787
This should be the main method for tests that want to exercise the
788
overall behavior of the bzr application (rather than a unit test
789
or a functional test of the library.)
791
Much of the old code runs bzr by forking a new copy of Python, but
792
that is slower, harder to debug, and generally not necessary.
794
This runs bzr through the interface that catches and reports
795
errors, and with logging set to something approximating the
796
default, so that error reporting can be checked.
798
:param argv: arguments to invoke bzr
799
:param retcode: expected return code, or None for don't-care.
800
:param encoding: encoding for sys.stdout and sys.stderr
801
:param stdin: A string to be used as stdin for the command.
804
encoding = bzrlib.user_encoding
805
if stdin is not None:
806
stdin = StringIO(stdin)
807
stdout = StringIOWrapper()
808
stderr = StringIOWrapper()
809
stdout.encoding = encoding
810
stderr.encoding = encoding
812
self.log('run bzr: %r', argv)
813
# FIXME: don't call into logging here
814
handler = logging.StreamHandler(stderr)
815
handler.setLevel(logging.INFO)
816
logger = logging.getLogger('')
817
logger.addHandler(handler)
818
old_ui_factory = bzrlib.ui.ui_factory
819
bzrlib.ui.ui_factory = bzrlib.tests.blackbox.TestUIFactory(
822
bzrlib.ui.ui_factory.stdin = stdin
824
result = self.apply_redirected(stdin, stdout, stderr,
825
bzrlib.commands.run_bzr_catch_errors,
828
logger.removeHandler(handler)
829
bzrlib.ui.ui_factory = old_ui_factory
831
out = stdout.getvalue()
832
err = stderr.getvalue()
834
self.log('output:\n%r', out)
836
self.log('errors:\n%r', err)
837
if retcode is not None:
838
self.assertEquals(retcode, result)
841
def run_bzr(self, *args, **kwargs):
842
"""Invoke bzr, as if it were run from the command line.
844
This should be the main method for tests that want to exercise the
845
overall behavior of the bzr application (rather than a unit test
846
or a functional test of the library.)
848
This sends the stdout/stderr results into the test's log,
849
where it may be useful for debugging. See also run_captured.
851
:param stdin: A string to be used as stdin for the command.
853
retcode = kwargs.pop('retcode', 0)
854
encoding = kwargs.pop('encoding', None)
855
stdin = kwargs.pop('stdin', None)
856
return self.run_bzr_captured(args, retcode=retcode, encoding=encoding, stdin=stdin)
858
def run_bzr_decode(self, *args, **kwargs):
859
if 'encoding' in kwargs:
860
encoding = kwargs['encoding']
862
encoding = bzrlib.user_encoding
863
return self.run_bzr(*args, **kwargs)[0].decode(encoding)
865
def run_bzr_error(self, error_regexes, *args, **kwargs):
866
"""Run bzr, and check that stderr contains the supplied regexes
868
:param error_regexes: Sequence of regular expressions which
869
must each be found in the error output. The relative ordering
871
:param args: command-line arguments for bzr
872
:param kwargs: Keyword arguments which are interpreted by run_bzr
873
This function changes the default value of retcode to be 3,
874
since in most cases this is run when you expect bzr to fail.
875
:return: (out, err) The actual output of running the command (in case you
876
want to do more inspection)
879
# Make sure that commit is failing because there is nothing to do
880
self.run_bzr_error(['no changes to commit'],
881
'commit', '-m', 'my commit comment')
882
# Make sure --strict is handling an unknown file, rather than
883
# giving us the 'nothing to do' error
884
self.build_tree(['unknown'])
885
self.run_bzr_error(['Commit refused because there are unknown files'],
886
'commit', '--strict', '-m', 'my commit comment')
888
kwargs.setdefault('retcode', 3)
889
out, err = self.run_bzr(*args, **kwargs)
890
for regex in error_regexes:
891
self.assertContainsRe(err, regex)
894
def run_bzr_subprocess(self, *args, **kwargs):
895
"""Run bzr in a subprocess for testing.
897
This starts a new Python interpreter and runs bzr in there.
898
This should only be used for tests that have a justifiable need for
899
this isolation: e.g. they are testing startup time, or signal
900
handling, or early startup code, etc. Subprocess code can't be
901
profiled or debugged so easily.
903
:param retcode: The status code that is expected. Defaults to 0. If
904
None is supplied, the status code is not checked.
905
:param env_changes: A dictionary which lists changes to environment
906
variables. A value of None will unset the env variable.
907
The values must be strings. The change will only occur in the
908
child, so you don't need to fix the environment after running.
909
:param universal_newlines: Convert CRLF => LF
911
env_changes = kwargs.get('env_changes', {})
912
process = self.start_bzr_subprocess(args, env_changes=env_changes)
913
# We distinguish between retcode=None and retcode not passed.
914
supplied_retcode = kwargs.get('retcode', 0)
915
return self.finish_bzr_subprocess(process, retcode=supplied_retcode,
916
universal_newlines=kwargs.get('universal_newlines', False),
919
def start_bzr_subprocess(self, process_args, env_changes=None,
920
skip_if_plan_to_signal=False):
921
"""Start bzr in a subprocess for testing.
923
This starts a new Python interpreter and runs bzr in there.
924
This should only be used for tests that have a justifiable need for
925
this isolation: e.g. they are testing startup time, or signal
926
handling, or early startup code, etc. Subprocess code can't be
927
profiled or debugged so easily.
929
:param process_args: a list of arguments to pass to the bzr executable,
930
for example `['--version']`.
931
:param env_changes: A dictionary which lists changes to environment
932
variables. A value of None will unset the env variable.
933
The values must be strings. The change will only occur in the
934
child, so you don't need to fix the environment after running.
935
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
938
:returns: Popen object for the started process.
940
if skip_if_plan_to_signal:
941
if not getattr(os, 'kill', None):
942
raise TestSkipped("os.kill not available.")
944
if env_changes is None:
948
def cleanup_environment():
949
for env_var, value in env_changes.iteritems():
950
old_env[env_var] = osutils.set_or_unset_env(env_var, value)
952
def restore_environment():
953
for env_var, value in old_env.iteritems():
954
osutils.set_or_unset_env(env_var, value)
956
bzr_path = self.get_bzr_path()
959
# win32 subprocess doesn't support preexec_fn
960
# so we will avoid using it on all platforms, just to
961
# make sure the code path is used, and we don't break on win32
962
cleanup_environment()
963
process = Popen([sys.executable, bzr_path] + list(process_args),
964
stdin=PIPE, stdout=PIPE, stderr=PIPE)
966
restore_environment()
969
def get_bzr_path(self):
970
"""Return the path of the 'bzr' executable for this test suite."""
971
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
972
if not os.path.isfile(bzr_path):
973
# We are probably installed. Assume sys.argv is the right file
974
bzr_path = sys.argv[0]
977
def finish_bzr_subprocess(self, process, retcode=0, send_signal=None,
978
universal_newlines=False, process_args=None):
979
"""Finish the execution of process.
981
:param process: the Popen object returned from start_bzr_subprocess.
982
:param retcode: The status code that is expected. Defaults to 0. If
983
None is supplied, the status code is not checked.
984
:param send_signal: an optional signal to send to the process.
985
:param universal_newlines: Convert CRLF => LF
986
:returns: (stdout, stderr)
988
if send_signal is not None:
989
os.kill(process.pid, send_signal)
990
out, err = process.communicate()
992
if universal_newlines:
993
out = out.replace('\r\n', '\n')
994
err = err.replace('\r\n', '\n')
996
if retcode is not None and retcode != process.returncode:
997
if process_args is None:
998
process_args = "(unknown args)"
999
mutter('Output of bzr %s:\n%s', process_args, out)
1000
mutter('Error for bzr %s:\n%s', process_args, err)
1001
self.fail('Command bzr %s failed with retcode %s != %s'
1002
% (process_args, retcode, process.returncode))
1005
def check_inventory_shape(self, inv, shape):
1006
"""Compare an inventory to a list of expected names.
1008
Fail if they are not precisely equal.
1011
shape = list(shape) # copy
1012
for path, ie in inv.entries():
1013
name = path.replace('\\', '/')
1014
if ie.kind == 'dir':
1021
self.fail("expected paths not found in inventory: %r" % shape)
1023
self.fail("unexpected paths found in inventory: %r" % extras)
1025
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
1026
a_callable=None, *args, **kwargs):
1027
"""Call callable with redirected std io pipes.
1029
Returns the return code."""
1030
if not callable(a_callable):
1031
raise ValueError("a_callable must be callable.")
1033
stdin = StringIO("")
1035
if getattr(self, "_log_file", None) is not None:
1036
stdout = self._log_file
1040
if getattr(self, "_log_file", None is not None):
1041
stderr = self._log_file
1044
real_stdin = sys.stdin
1045
real_stdout = sys.stdout
1046
real_stderr = sys.stderr
1051
return a_callable(*args, **kwargs)
1053
sys.stdout = real_stdout
1054
sys.stderr = real_stderr
1055
sys.stdin = real_stdin
1057
@symbol_versioning.deprecated_method(symbol_versioning.zero_eleven)
1058
def merge(self, branch_from, wt_to):
1059
"""A helper for tests to do a ui-less merge.
1061
This should move to the main library when someone has time to integrate
1064
# minimal ui-less merge.
1065
wt_to.branch.fetch(branch_from)
1066
base_rev = common_ancestor(branch_from.last_revision(),
1067
wt_to.branch.last_revision(),
1068
wt_to.branch.repository)
1069
merge_inner(wt_to.branch, branch_from.basis_tree(),
1070
wt_to.branch.repository.revision_tree(base_rev),
1072
wt_to.add_parent_tree_id(branch_from.last_revision())
1075
BzrTestBase = TestCase
1078
class TestCaseInTempDir(TestCase):
1079
"""Derived class that runs a test within a temporary directory.
1081
This is useful for tests that need to create a branch, etc.
1083
The directory is created in a slightly complex way: for each
1084
Python invocation, a new temporary top-level directory is created.
1085
All test cases create their own directory within that. If the
1086
tests complete successfully, the directory is removed.
1088
InTempDir is an old alias for FunctionalTestCase.
1093
OVERRIDE_PYTHON = 'python'
1095
def check_file_contents(self, filename, expect):
1096
self.log("check contents of file %s" % filename)
1097
contents = file(filename, 'r').read()
1098
if contents != expect:
1099
self.log("expected: %r" % expect)
1100
self.log("actually: %r" % contents)
1101
self.fail("contents of %s not as expected" % filename)
1103
def _make_test_root(self):
1104
if TestCaseInTempDir.TEST_ROOT is not None:
1108
root = u'test%04d.tmp' % i
1112
if e.errno == errno.EEXIST:
1117
# successfully created
1118
TestCaseInTempDir.TEST_ROOT = osutils.abspath(root)
1120
# make a fake bzr directory there to prevent any tests propagating
1121
# up onto the source directory's real branch
1122
bzrdir.BzrDir.create_standalone_workingtree(TestCaseInTempDir.TEST_ROOT)
1125
super(TestCaseInTempDir, self).setUp()
1126
self._make_test_root()
1127
_currentdir = os.getcwdu()
1128
# shorten the name, to avoid test failures due to path length
1129
short_id = self.id().replace('bzrlib.tests.', '') \
1130
.replace('__main__.', '')[-100:]
1131
# it's possible the same test class is run several times for
1132
# parameterized tests, so make sure the names don't collide.
1136
candidate_dir = '%s/%s.%d' % (self.TEST_ROOT, short_id, i)
1138
candidate_dir = '%s/%s' % (self.TEST_ROOT, short_id)
1139
if os.path.exists(candidate_dir):
1143
os.mkdir(candidate_dir)
1144
self.test_home_dir = candidate_dir + '/home'
1145
os.mkdir(self.test_home_dir)
1146
self.test_dir = candidate_dir + '/work'
1147
os.mkdir(self.test_dir)
1148
os.chdir(self.test_dir)
1150
os.environ['HOME'] = self.test_home_dir
1151
os.environ['APPDATA'] = self.test_home_dir
1152
def _leaveDirectory():
1153
os.chdir(_currentdir)
1154
self.addCleanup(_leaveDirectory)
1156
def build_tree(self, shape, line_endings='native', transport=None):
1157
"""Build a test tree according to a pattern.
1159
shape is a sequence of file specifications. If the final
1160
character is '/', a directory is created.
1162
This assumes that all the elements in the tree being built are new.
1164
This doesn't add anything to a branch.
1165
:param line_endings: Either 'binary' or 'native'
1166
in binary mode, exact contents are written
1167
in native mode, the line endings match the
1168
default platform endings.
1170
:param transport: A transport to write to, for building trees on
1171
VFS's. If the transport is readonly or None,
1172
"." is opened automatically.
1174
# It's OK to just create them using forward slashes on windows.
1175
if transport is None or transport.is_readonly():
1176
transport = get_transport(".")
1178
self.assert_(isinstance(name, basestring))
1180
transport.mkdir(urlutils.escape(name[:-1]))
1182
if line_endings == 'binary':
1184
elif line_endings == 'native':
1187
raise errors.BzrError('Invalid line ending request %r' % (line_endings,))
1188
content = "contents of %s%s" % (name.encode('utf-8'), end)
1189
# Technically 'put()' is the right command. However, put
1190
# uses an AtomicFile, which requires an extra rename into place
1191
# As long as the files didn't exist in the past, append() will
1192
# do the same thing as put()
1193
# On jam's machine, make_kernel_like_tree is:
1194
# put: 4.5-7.5s (averaging 6s)
1196
# put_non_atomic: 2.9-4.5s
1197
transport.put_bytes_non_atomic(urlutils.escape(name), content)
1199
def build_tree_contents(self, shape):
1200
build_tree_contents(shape)
1202
def failUnlessExists(self, path):
1203
"""Fail unless path, which may be abs or relative, exists."""
1204
self.failUnless(osutils.lexists(path))
1206
def failIfExists(self, path):
1207
"""Fail if path, which may be abs or relative, exists."""
1208
self.failIf(osutils.lexists(path))
1210
def assertFileEqual(self, content, path):
1211
"""Fail if path does not contain 'content'."""
1212
self.failUnless(osutils.lexists(path))
1213
# TODO: jam 20060427 Shouldn't this be 'rb'?
1214
self.assertEqualDiff(content, open(path, 'r').read())
1217
class TestCaseWithTransport(TestCaseInTempDir):
1218
"""A test case that provides get_url and get_readonly_url facilities.
1220
These back onto two transport servers, one for readonly access and one for
1223
If no explicit class is provided for readonly access, a
1224
ReadonlyTransportDecorator is used instead which allows the use of non disk
1225
based read write transports.
1227
If an explicit class is provided for readonly access, that server and the
1228
readwrite one must both define get_url() as resolving to os.getcwd().
1231
def __init__(self, methodName='testMethod'):
1232
super(TestCaseWithTransport, self).__init__(methodName)
1233
self.__readonly_server = None
1234
self.__server = None
1235
self.transport_server = default_transport
1236
self.transport_readonly_server = None
1238
def get_readonly_url(self, relpath=None):
1239
"""Get a URL for the readonly transport.
1241
This will either be backed by '.' or a decorator to the transport
1242
used by self.get_url()
1243
relpath provides for clients to get a path relative to the base url.
1244
These should only be downwards relative, not upwards.
1246
base = self.get_readonly_server().get_url()
1247
if relpath is not None:
1248
if not base.endswith('/'):
1250
base = base + relpath
1253
def get_readonly_server(self):
1254
"""Get the server instance for the readonly transport
1256
This is useful for some tests with specific servers to do diagnostics.
1258
if self.__readonly_server is None:
1259
if self.transport_readonly_server is None:
1260
# readonly decorator requested
1261
# bring up the server
1263
self.__readonly_server = ReadonlyServer()
1264
self.__readonly_server.setUp(self.__server)
1266
self.__readonly_server = self.transport_readonly_server()
1267
self.__readonly_server.setUp()
1268
self.addCleanup(self.__readonly_server.tearDown)
1269
return self.__readonly_server
1271
def get_server(self):
1272
"""Get the read/write server instance.
1274
This is useful for some tests with specific servers that need
1277
if self.__server is None:
1278
self.__server = self.transport_server()
1279
self.__server.setUp()
1280
self.addCleanup(self.__server.tearDown)
1281
return self.__server
1283
def get_url(self, relpath=None):
1284
"""Get a URL (or maybe a path) for the readwrite transport.
1286
This will either be backed by '.' or to an equivalent non-file based
1288
relpath provides for clients to get a path relative to the base url.
1289
These should only be downwards relative, not upwards.
1291
base = self.get_server().get_url()
1292
if relpath is not None and relpath != '.':
1293
if not base.endswith('/'):
1295
# XXX: Really base should be a url; we did after all call
1296
# get_url()! But sometimes it's just a path (from
1297
# LocalAbspathServer), and it'd be wrong to append urlescaped data
1298
# to a non-escaped local path.
1299
if base.startswith('./') or base.startswith('/'):
1302
base += urlutils.escape(relpath)
1305
def get_transport(self):
1306
"""Return a writeable transport for the test scratch space"""
1307
t = get_transport(self.get_url())
1308
self.assertFalse(t.is_readonly())
1311
def get_readonly_transport(self):
1312
"""Return a readonly transport for the test scratch space
1314
This can be used to test that operations which should only need
1315
readonly access in fact do not try to write.
1317
t = get_transport(self.get_readonly_url())
1318
self.assertTrue(t.is_readonly())
1321
def make_branch(self, relpath, format=None):
1322
"""Create a branch on the transport at relpath."""
1323
repo = self.make_repository(relpath, format=format)
1324
return repo.bzrdir.create_branch()
1326
def make_bzrdir(self, relpath, format=None):
1328
# might be a relative or absolute path
1329
maybe_a_url = self.get_url(relpath)
1330
segments = maybe_a_url.rsplit('/', 1)
1331
t = get_transport(maybe_a_url)
1332
if len(segments) > 1 and segments[-1] not in ('', '.'):
1335
except errors.FileExists:
1338
format = bzrlib.bzrdir.BzrDirFormat.get_default_format()
1339
return format.initialize_on_transport(t)
1340
except errors.UninitializableFormat:
1341
raise TestSkipped("Format %s is not initializable." % format)
1343
def make_repository(self, relpath, shared=False, format=None):
1344
"""Create a repository on our default transport at relpath."""
1345
made_control = self.make_bzrdir(relpath, format=format)
1346
return made_control.create_repository(shared=shared)
1348
def make_branch_and_memory_tree(self, relpath):
1349
"""Create a branch on the default transport and a MemoryTree for it."""
1350
b = self.make_branch(relpath)
1351
return memorytree.MemoryTree.create_on_branch(b)
1353
def make_branch_and_tree(self, relpath, format=None):
1354
"""Create a branch on the transport and a tree locally.
1356
If the transport is not a LocalTransport, the Tree can't be created on
1357
the transport. In that case the working tree is created in the local
1358
directory, and the returned tree's branch and repository will also be
1361
This will fail if the original default transport for this test
1362
case wasn't backed by the working directory, as the branch won't
1363
be on disk for us to open it.
1365
:param format: The BzrDirFormat.
1366
:returns: the WorkingTree.
1368
# TODO: always use the local disk path for the working tree,
1369
# this obviously requires a format that supports branch references
1370
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
1372
b = self.make_branch(relpath, format=format)
1374
return b.bzrdir.create_workingtree()
1375
except errors.NotLocalUrl:
1376
# We can only make working trees locally at the moment. If the
1377
# transport can't support them, then reopen the branch on a local
1378
# transport, and create the working tree there.
1380
# Possibly we should instead keep
1381
# the non-disk-backed branch and create a local checkout?
1382
bd = bzrdir.BzrDir.open(relpath)
1383
return bd.create_workingtree()
1385
def assertIsDirectory(self, relpath, transport):
1386
"""Assert that relpath within transport is a directory.
1388
This may not be possible on all transports; in that case it propagates
1389
a TransportNotPossible.
1392
mode = transport.stat(relpath).st_mode
1393
except errors.NoSuchFile:
1394
self.fail("path %s is not a directory; no such file"
1396
if not stat.S_ISDIR(mode):
1397
self.fail("path %s is not a directory; has mode %#o"
1401
class ChrootedTestCase(TestCaseWithTransport):
1402
"""A support class that provides readonly urls outside the local namespace.
1404
This is done by checking if self.transport_server is a MemoryServer. if it
1405
is then we are chrooted already, if it is not then an HttpServer is used
1408
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
1409
be used without needed to redo it when a different
1410
subclass is in use ?
1414
super(ChrootedTestCase, self).setUp()
1415
if not self.transport_server == bzrlib.transport.memory.MemoryServer:
1416
self.transport_readonly_server = bzrlib.transport.http.HttpServer
1419
def filter_suite_by_re(suite, pattern):
1420
result = TestUtil.TestSuite()
1421
filter_re = re.compile(pattern)
1422
for test in iter_suite_tests(suite):
1423
if filter_re.search(test.id()):
1424
result.addTest(test)
1428
def run_suite(suite, name='test', verbose=False, pattern=".*",
1429
stop_on_failure=False, keep_output=False,
1430
transport=None, lsprof_timed=None, bench_history=None):
1431
TestCaseInTempDir._TEST_NAME = name
1432
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
1438
pb = progress.ProgressBar()
1439
runner = TextTestRunner(stream=sys.stdout,
1441
verbosity=verbosity,
1442
keep_output=keep_output,
1444
bench_history=bench_history)
1445
runner.stop_on_failure=stop_on_failure
1447
suite = filter_suite_by_re(suite, pattern)
1448
result = runner.run(suite)
1449
return result.wasSuccessful()
1452
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
1455
test_suite_factory=None,
1457
bench_history=None):
1458
"""Run the whole test suite under the enhanced runner"""
1459
# XXX: Very ugly way to do this...
1460
# Disable warning about old formats because we don't want it to disturb
1461
# any blackbox tests.
1462
from bzrlib import repository
1463
repository._deprecation_warning_done = True
1465
global default_transport
1466
if transport is None:
1467
transport = default_transport
1468
old_transport = default_transport
1469
default_transport = transport
1471
if test_suite_factory is None:
1472
suite = test_suite()
1474
suite = test_suite_factory()
1475
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
1476
stop_on_failure=stop_on_failure, keep_output=keep_output,
1477
transport=transport,
1478
lsprof_timed=lsprof_timed,
1479
bench_history=bench_history)
1481
default_transport = old_transport
1485
"""Build and return TestSuite for the whole of bzrlib.
1487
This function can be replaced if you need to change the default test
1488
suite on a global basis, but it is not encouraged.
1491
'bzrlib.tests.test_ancestry',
1492
'bzrlib.tests.test_api',
1493
'bzrlib.tests.test_atomicfile',
1494
'bzrlib.tests.test_bad_files',
1495
'bzrlib.tests.test_branch',
1496
'bzrlib.tests.test_bundle',
1497
'bzrlib.tests.test_bzrdir',
1498
'bzrlib.tests.test_cache_utf8',
1499
'bzrlib.tests.test_command',
1500
'bzrlib.tests.test_commit',
1501
'bzrlib.tests.test_commit_merge',
1502
'bzrlib.tests.test_config',
1503
'bzrlib.tests.test_conflicts',
1504
'bzrlib.tests.test_decorators',
1505
'bzrlib.tests.test_diff',
1506
'bzrlib.tests.test_doc_generate',
1507
'bzrlib.tests.test_errors',
1508
'bzrlib.tests.test_escaped_store',
1509
'bzrlib.tests.test_fetch',
1510
'bzrlib.tests.test_ftp_transport',
1511
'bzrlib.tests.test_gpg',
1512
'bzrlib.tests.test_graph',
1513
'bzrlib.tests.test_hashcache',
1514
'bzrlib.tests.test_http',
1515
'bzrlib.tests.test_http_response',
1516
'bzrlib.tests.test_identitymap',
1517
'bzrlib.tests.test_ignores',
1518
'bzrlib.tests.test_inv',
1519
'bzrlib.tests.test_knit',
1520
'bzrlib.tests.test_lazy_import',
1521
'bzrlib.tests.test_lockdir',
1522
'bzrlib.tests.test_lockable_files',
1523
'bzrlib.tests.test_log',
1524
'bzrlib.tests.test_memorytree',
1525
'bzrlib.tests.test_merge',
1526
'bzrlib.tests.test_merge3',
1527
'bzrlib.tests.test_merge_core',
1528
'bzrlib.tests.test_missing',
1529
'bzrlib.tests.test_msgeditor',
1530
'bzrlib.tests.test_nonascii',
1531
'bzrlib.tests.test_options',
1532
'bzrlib.tests.test_osutils',
1533
'bzrlib.tests.test_patch',
1534
'bzrlib.tests.test_patches',
1535
'bzrlib.tests.test_permissions',
1536
'bzrlib.tests.test_plugins',
1537
'bzrlib.tests.test_progress',
1538
'bzrlib.tests.test_reconcile',
1539
'bzrlib.tests.test_repository',
1540
'bzrlib.tests.test_revert',
1541
'bzrlib.tests.test_revision',
1542
'bzrlib.tests.test_revisionnamespaces',
1543
'bzrlib.tests.test_revisiontree',
1544
'bzrlib.tests.test_rio',
1545
'bzrlib.tests.test_sampler',
1546
'bzrlib.tests.test_selftest',
1547
'bzrlib.tests.test_setup',
1548
'bzrlib.tests.test_sftp_transport',
1549
'bzrlib.tests.test_smart_add',
1550
'bzrlib.tests.test_smart_transport',
1551
'bzrlib.tests.test_source',
1552
'bzrlib.tests.test_status',
1553
'bzrlib.tests.test_store',
1554
'bzrlib.tests.test_symbol_versioning',
1555
'bzrlib.tests.test_testament',
1556
'bzrlib.tests.test_textfile',
1557
'bzrlib.tests.test_textmerge',
1558
'bzrlib.tests.test_trace',
1559
'bzrlib.tests.test_transactions',
1560
'bzrlib.tests.test_transform',
1561
'bzrlib.tests.test_transport',
1562
'bzrlib.tests.test_tree',
1563
'bzrlib.tests.test_treebuilder',
1564
'bzrlib.tests.test_tsort',
1565
'bzrlib.tests.test_tuned_gzip',
1566
'bzrlib.tests.test_ui',
1567
'bzrlib.tests.test_upgrade',
1568
'bzrlib.tests.test_urlutils',
1569
'bzrlib.tests.test_versionedfile',
1570
'bzrlib.tests.test_version',
1571
'bzrlib.tests.test_weave',
1572
'bzrlib.tests.test_whitebox',
1573
'bzrlib.tests.test_workingtree',
1574
'bzrlib.tests.test_xml',
1576
test_transport_implementations = [
1577
'bzrlib.tests.test_transport_implementations',
1578
'bzrlib.tests.test_read_bundle',
1580
suite = TestUtil.TestSuite()
1581
loader = TestUtil.TestLoader()
1582
suite.addTest(loader.loadTestsFromModuleNames(testmod_names))
1583
from bzrlib.transport import TransportTestProviderAdapter
1584
adapter = TransportTestProviderAdapter()
1585
adapt_modules(test_transport_implementations, adapter, loader, suite)
1586
for package in packages_to_test():
1587
suite.addTest(package.test_suite())
1588
for m in MODULES_TO_TEST:
1589
suite.addTest(loader.loadTestsFromModule(m))
1590
for m in MODULES_TO_DOCTEST:
1591
suite.addTest(doctest.DocTestSuite(m))
1592
for name, plugin in bzrlib.plugin.all_plugins().items():
1593
if getattr(plugin, 'test_suite', None) is not None:
1594
suite.addTest(plugin.test_suite())
1598
def adapt_modules(mods_list, adapter, loader, suite):
1599
"""Adapt the modules in mods_list using adapter and add to suite."""
1600
for test in iter_suite_tests(loader.loadTestsFromModuleNames(mods_list)):
1601
suite.addTests(adapter.adapt(test))
added
removed
bzrlib/tests/__init__.py
