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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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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.last_revision()
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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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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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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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# 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 callDeprecated(self, expected, callable, *args, **kwargs):
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"""Assert that a callable is deprecated in a particular way.
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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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def capture_warnings(msg, cls, stacklevel=None):
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self.assertEqual(cls, DeprecationWarning)
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local_warnings.append(msg)
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method = symbol_versioning.warn
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symbol_versioning.set_warning_method(capture_warnings)
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result = callable(*args, **kwargs)
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symbol_versioning.set_warning_method(method)
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self.assertEqual(expected, local_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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Read contents into memory, close, and delete.
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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.seek(0)
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self._log_contents = self._log_file.read()
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self._log_file.close()
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os.remove(self._log_file_name)
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self._log_file = self._log_file_name = None
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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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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, preparing it to be reset when finished."""
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self.__old_env[name] = os.environ.get(name, None)
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if name in os.environ:
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os.environ[name] = newvalue
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def _restoreVar(name, value):
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if name in os.environ:
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os.environ[name] = value
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def _restoreEnvironment(self):
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for name, value in self.__old_env.iteritems():
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self._restoreVar(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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"""Return as a string the log for this test"""
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if self._log_file_name:
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return open(self._log_file_name).read()
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return self._log_contents
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# TODO: Delete the log after it's been read in
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def capture(self, cmd, retcode=0):
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"""Shortcut that splits cmd into words, runs, and returns stdout"""
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return self.run_bzr_captured(cmd.split(), retcode=retcode)[0]
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def run_bzr_captured(self, argv, retcode=0, encoding=None, stdin=None):
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"""Invoke bzr and return (stdout, stderr).
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Useful for code that wants to check the contents of the
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output, the way error messages are presented, etc.
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This should be the main method for tests that want to exercise the
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overall behavior of the bzr application (rather than a unit test
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or a functional test of the library.)
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Much of the old code runs bzr by forking a new copy of Python, but
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that is slower, harder to debug, and generally not necessary.
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This runs bzr through the interface that catches and reports
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errors, and with logging set to something approximating the
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default, so that error reporting can be checked.
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:param argv: arguments to invoke bzr
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:param retcode: expected return code, or None for don't-care.
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:param encoding: encoding for sys.stdout and sys.stderr
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:param stdin: A string to be used as stdin for the command.
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encoding = bzrlib.user_encoding
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if stdin is not None:
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stdin = StringIO(stdin)
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stdout = StringIOWrapper()
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stderr = StringIOWrapper()
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stdout.encoding = encoding
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stderr.encoding = encoding
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self.log('run bzr: %r', argv)
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# FIXME: don't call into logging here
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handler = logging.StreamHandler(stderr)
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handler.setLevel(logging.INFO)
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logger = logging.getLogger('')
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logger.addHandler(handler)
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old_ui_factory = bzrlib.ui.ui_factory
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bzrlib.ui.ui_factory = bzrlib.tests.blackbox.TestUIFactory(
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bzrlib.ui.ui_factory.stdin = stdin
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result = self.apply_redirected(stdin, stdout, stderr,
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bzrlib.commands.run_bzr_catch_errors,
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logger.removeHandler(handler)
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bzrlib.ui.ui_factory = old_ui_factory
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out = stdout.getvalue()
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err = stderr.getvalue()
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self.log('output:\n%r', out)
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self.log('errors:\n%r', err)
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if retcode is not None:
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self.assertEquals(retcode, result)
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def run_bzr(self, *args, **kwargs):
783
"""Invoke bzr, as if it were run from the command line.
785
This should be the main method for tests that want to exercise the
786
overall behavior of the bzr application (rather than a unit test
787
or a functional test of the library.)
789
This sends the stdout/stderr results into the test's log,
790
where it may be useful for debugging. See also run_captured.
792
:param stdin: A string to be used as stdin for the command.
794
retcode = kwargs.pop('retcode', 0)
795
encoding = kwargs.pop('encoding', None)
796
stdin = kwargs.pop('stdin', None)
797
return self.run_bzr_captured(args, retcode=retcode, encoding=encoding, stdin=stdin)
799
def run_bzr_decode(self, *args, **kwargs):
800
if 'encoding' in kwargs:
801
encoding = kwargs['encoding']
803
encoding = bzrlib.user_encoding
804
return self.run_bzr(*args, **kwargs)[0].decode(encoding)
806
def run_bzr_error(self, error_regexes, *args, **kwargs):
807
"""Run bzr, and check that stderr contains the supplied regexes
809
:param error_regexes: Sequence of regular expressions which
810
must each be found in the error output. The relative ordering
812
:param args: command-line arguments for bzr
813
:param kwargs: Keyword arguments which are interpreted by run_bzr
814
This function changes the default value of retcode to be 3,
815
since in most cases this is run when you expect bzr to fail.
816
:return: (out, err) The actual output of running the command (in case you
817
want to do more inspection)
820
# Make sure that commit is failing because there is nothing to do
821
self.run_bzr_error(['no changes to commit'],
822
'commit', '-m', 'my commit comment')
823
# Make sure --strict is handling an unknown file, rather than
824
# giving us the 'nothing to do' error
825
self.build_tree(['unknown'])
826
self.run_bzr_error(['Commit refused because there are unknown files'],
827
'commit', '--strict', '-m', 'my commit comment')
829
kwargs.setdefault('retcode', 3)
830
out, err = self.run_bzr(*args, **kwargs)
831
for regex in error_regexes:
832
self.assertContainsRe(err, regex)
835
def run_bzr_subprocess(self, *args, **kwargs):
836
"""Run bzr in a subprocess for testing.
838
This starts a new Python interpreter and runs bzr in there.
839
This should only be used for tests that have a justifiable need for
840
this isolation: e.g. they are testing startup time, or signal
841
handling, or early startup code, etc. Subprocess code can't be
842
profiled or debugged so easily.
844
:param retcode: The status code that is expected. Defaults to 0. If
845
None is supplied, the status code is not checked.
846
:param env_changes: A dictionary which lists changes to environment
847
variables. A value of None will unset the env variable.
848
The values must be strings. The change will only occur in the
849
child, so you don't need to fix the environment after running.
851
env_changes = kwargs.get('env_changes', {})
852
def cleanup_environment():
853
for env_var, value in env_changes.iteritems():
855
del os.environ[env_var]
857
os.environ[env_var] = value
859
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
861
process = Popen([sys.executable, bzr_path]+args,
862
stdout=PIPE, stderr=PIPE,
863
preexec_fn=cleanup_environment)
864
out = process.stdout.read()
865
err = process.stderr.read()
866
retcode = process.wait()
867
supplied_retcode = kwargs.get('retcode', 0)
868
if supplied_retcode is not None:
869
assert supplied_retcode == retcode
872
def check_inventory_shape(self, inv, shape):
873
"""Compare an inventory to a list of expected names.
875
Fail if they are not precisely equal.
878
shape = list(shape) # copy
879
for path, ie in inv.entries():
880
name = path.replace('\\', '/')
888
self.fail("expected paths not found in inventory: %r" % shape)
890
self.fail("unexpected paths found in inventory: %r" % extras)
892
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
893
a_callable=None, *args, **kwargs):
894
"""Call callable with redirected std io pipes.
896
Returns the return code."""
897
if not callable(a_callable):
898
raise ValueError("a_callable must be callable.")
902
if getattr(self, "_log_file", None) is not None:
903
stdout = self._log_file
907
if getattr(self, "_log_file", None is not None):
908
stderr = self._log_file
911
real_stdin = sys.stdin
912
real_stdout = sys.stdout
913
real_stderr = sys.stderr
918
return a_callable(*args, **kwargs)
920
sys.stdout = real_stdout
921
sys.stderr = real_stderr
922
sys.stdin = real_stdin
924
def merge(self, branch_from, wt_to):
925
"""A helper for tests to do a ui-less merge.
927
This should move to the main library when someone has time to integrate
930
# minimal ui-less merge.
931
wt_to.branch.fetch(branch_from)
932
base_rev = common_ancestor(branch_from.last_revision(),
933
wt_to.branch.last_revision(),
934
wt_to.branch.repository)
935
merge_inner(wt_to.branch, branch_from.basis_tree(),
936
wt_to.branch.repository.revision_tree(base_rev),
938
wt_to.add_parent_tree_id(branch_from.last_revision())
941
BzrTestBase = TestCase
944
class TestCaseInTempDir(TestCase):
945
"""Derived class that runs a test within a temporary directory.
947
This is useful for tests that need to create a branch, etc.
949
The directory is created in a slightly complex way: for each
950
Python invocation, a new temporary top-level directory is created.
951
All test cases create their own directory within that. If the
952
tests complete successfully, the directory is removed.
954
InTempDir is an old alias for FunctionalTestCase.
959
OVERRIDE_PYTHON = 'python'
961
def check_file_contents(self, filename, expect):
962
self.log("check contents of file %s" % filename)
963
contents = file(filename, 'r').read()
964
if contents != expect:
965
self.log("expected: %r" % expect)
966
self.log("actually: %r" % contents)
967
self.fail("contents of %s not as expected" % filename)
969
def _make_test_root(self):
970
if TestCaseInTempDir.TEST_ROOT is not None:
974
root = u'test%04d.tmp' % i
978
if e.errno == errno.EEXIST:
983
# successfully created
984
TestCaseInTempDir.TEST_ROOT = osutils.abspath(root)
986
# make a fake bzr directory there to prevent any tests propagating
987
# up onto the source directory's real branch
988
bzrdir.BzrDir.create_standalone_workingtree(TestCaseInTempDir.TEST_ROOT)
991
super(TestCaseInTempDir, self).setUp()
992
self._make_test_root()
993
_currentdir = os.getcwdu()
994
# shorten the name, to avoid test failures due to path length
995
short_id = self.id().replace('bzrlib.tests.', '') \
996
.replace('__main__.', '')[-100:]
997
# it's possible the same test class is run several times for
998
# parameterized tests, so make sure the names don't collide.
1002
candidate_dir = '%s/%s.%d' % (self.TEST_ROOT, short_id, i)
1004
candidate_dir = '%s/%s' % (self.TEST_ROOT, short_id)
1005
if os.path.exists(candidate_dir):
1009
self.test_dir = candidate_dir
1010
os.mkdir(self.test_dir)
1011
os.chdir(self.test_dir)
1013
os.environ['HOME'] = self.test_dir
1014
os.environ['APPDATA'] = self.test_dir
1015
def _leaveDirectory():
1016
os.chdir(_currentdir)
1017
self.addCleanup(_leaveDirectory)
1019
def build_tree(self, shape, line_endings='native', transport=None):
1020
"""Build a test tree according to a pattern.
1022
shape is a sequence of file specifications. If the final
1023
character is '/', a directory is created.
1025
This assumes that all the elements in the tree being built are new.
1027
This doesn't add anything to a branch.
1028
:param line_endings: Either 'binary' or 'native'
1029
in binary mode, exact contents are written
1030
in native mode, the line endings match the
1031
default platform endings.
1033
:param transport: A transport to write to, for building trees on
1034
VFS's. If the transport is readonly or None,
1035
"." is opened automatically.
1037
# It's OK to just create them using forward slashes on windows.
1038
if transport is None or transport.is_readonly():
1039
transport = get_transport(".")
1041
self.assert_(isinstance(name, basestring))
1043
transport.mkdir(urlutils.escape(name[:-1]))
1045
if line_endings == 'binary':
1047
elif line_endings == 'native':
1050
raise errors.BzrError('Invalid line ending request %r' % (line_endings,))
1051
content = "contents of %s%s" % (name.encode('utf-8'), end)
1052
# Technically 'put()' is the right command. However, put
1053
# uses an AtomicFile, which requires an extra rename into place
1054
# As long as the files didn't exist in the past, append() will
1055
# do the same thing as put()
1056
# On jam's machine, make_kernel_like_tree is:
1057
# put: 4.5-7.5s (averaging 6s)
1059
transport.append(urlutils.escape(name), StringIO(content))
1061
def build_tree_contents(self, shape):
1062
build_tree_contents(shape)
1064
def failUnlessExists(self, path):
1065
"""Fail unless path, which may be abs or relative, exists."""
1066
self.failUnless(osutils.lexists(path))
1068
def failIfExists(self, path):
1069
"""Fail if path, which may be abs or relative, exists."""
1070
self.failIf(osutils.lexists(path))
1072
def assertFileEqual(self, content, path):
1073
"""Fail if path does not contain 'content'."""
1074
self.failUnless(osutils.lexists(path))
1075
# TODO: jam 20060427 Shouldn't this be 'rb'?
1076
self.assertEqualDiff(content, open(path, 'r').read())
1079
class TestCaseWithTransport(TestCaseInTempDir):
1080
"""A test case that provides get_url and get_readonly_url facilities.
1082
These back onto two transport servers, one for readonly access and one for
1085
If no explicit class is provided for readonly access, a
1086
ReadonlyTransportDecorator is used instead which allows the use of non disk
1087
based read write transports.
1089
If an explicit class is provided for readonly access, that server and the
1090
readwrite one must both define get_url() as resolving to os.getcwd().
1093
def __init__(self, methodName='testMethod'):
1094
super(TestCaseWithTransport, self).__init__(methodName)
1095
self.__readonly_server = None
1096
self.__server = None
1097
self.transport_server = default_transport
1098
self.transport_readonly_server = None
1100
def get_readonly_url(self, relpath=None):
1101
"""Get a URL for the readonly transport.
1103
This will either be backed by '.' or a decorator to the transport
1104
used by self.get_url()
1105
relpath provides for clients to get a path relative to the base url.
1106
These should only be downwards relative, not upwards.
1108
base = self.get_readonly_server().get_url()
1109
if relpath is not None:
1110
if not base.endswith('/'):
1112
base = base + relpath
1115
def get_readonly_server(self):
1116
"""Get the server instance for the readonly transport
1118
This is useful for some tests with specific servers to do diagnostics.
1120
if self.__readonly_server is None:
1121
if self.transport_readonly_server is None:
1122
# readonly decorator requested
1123
# bring up the server
1125
self.__readonly_server = ReadonlyServer()
1126
self.__readonly_server.setUp(self.__server)
1128
self.__readonly_server = self.transport_readonly_server()
1129
self.__readonly_server.setUp()
1130
self.addCleanup(self.__readonly_server.tearDown)
1131
return self.__readonly_server
1133
def get_server(self):
1134
"""Get the read/write server instance.
1136
This is useful for some tests with specific servers that need
1139
if self.__server is None:
1140
self.__server = self.transport_server()
1141
self.__server.setUp()
1142
self.addCleanup(self.__server.tearDown)
1143
return self.__server
1145
def get_url(self, relpath=None):
1146
"""Get a URL for the readwrite transport.
1148
This will either be backed by '.' or to an equivalent non-file based
1150
relpath provides for clients to get a path relative to the base url.
1151
These should only be downwards relative, not upwards.
1153
base = self.get_server().get_url()
1154
if relpath is not None and relpath != '.':
1155
if not base.endswith('/'):
1157
base = base + urlutils.escape(relpath)
1160
def get_transport(self):
1161
"""Return a writeable transport for the test scratch space"""
1162
t = get_transport(self.get_url())
1163
self.assertFalse(t.is_readonly())
1166
def get_readonly_transport(self):
1167
"""Return a readonly transport for the test scratch space
1169
This can be used to test that operations which should only need
1170
readonly access in fact do not try to write.
1172
t = get_transport(self.get_readonly_url())
1173
self.assertTrue(t.is_readonly())
1176
def make_branch(self, relpath, format=None):
1177
"""Create a branch on the transport at relpath."""
1178
repo = self.make_repository(relpath, format=format)
1179
return repo.bzrdir.create_branch()
1181
def make_bzrdir(self, relpath, format=None):
1183
url = self.get_url(relpath)
1184
mutter('relpath %r => url %r', relpath, url)
1185
segments = url.split('/')
1186
if segments and segments[-1] not in ('', '.'):
1187
parent = '/'.join(segments[:-1])
1188
t = get_transport(parent)
1190
t.mkdir(segments[-1])
1191
except errors.FileExists:
1194
format=bzrlib.bzrdir.BzrDirFormat.get_default_format()
1195
# FIXME: make this use a single transport someday. RBC 20060418
1196
return format.initialize_on_transport(get_transport(relpath))
1197
except errors.UninitializableFormat:
1198
raise TestSkipped("Format %s is not initializable." % format)
1200
def make_repository(self, relpath, shared=False, format=None):
1201
"""Create a repository on our default transport at relpath."""
1202
made_control = self.make_bzrdir(relpath, format=format)
1203
return made_control.create_repository(shared=shared)
1205
def make_branch_and_tree(self, relpath, format=None):
1206
"""Create a branch on the transport and a tree locally.
1210
# TODO: always use the local disk path for the working tree,
1211
# this obviously requires a format that supports branch references
1212
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
1214
b = self.make_branch(relpath, format=format)
1216
return b.bzrdir.create_workingtree()
1217
except errors.NotLocalUrl:
1218
# new formats - catch No tree error and create
1219
# a branch reference and a checkout.
1220
# old formats at that point - raise TestSkipped.
1221
# TODO: rbc 20060208
1222
return WorkingTreeFormat2().initialize(bzrdir.BzrDir.open(relpath))
1224
def assertIsDirectory(self, relpath, transport):
1225
"""Assert that relpath within transport is a directory.
1227
This may not be possible on all transports; in that case it propagates
1228
a TransportNotPossible.
1231
mode = transport.stat(relpath).st_mode
1232
except errors.NoSuchFile:
1233
self.fail("path %s is not a directory; no such file"
1235
if not stat.S_ISDIR(mode):
1236
self.fail("path %s is not a directory; has mode %#o"
1240
class ChrootedTestCase(TestCaseWithTransport):
1241
"""A support class that provides readonly urls outside the local namespace.
1243
This is done by checking if self.transport_server is a MemoryServer. if it
1244
is then we are chrooted already, if it is not then an HttpServer is used
1247
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
1248
be used without needed to redo it when a different
1249
subclass is in use ?
1253
super(ChrootedTestCase, self).setUp()
1254
if not self.transport_server == bzrlib.transport.memory.MemoryServer:
1255
self.transport_readonly_server = bzrlib.transport.http.HttpServer
1258
def filter_suite_by_re(suite, pattern):
1259
result = TestUtil.TestSuite()
1260
filter_re = re.compile(pattern)
1261
for test in iter_suite_tests(suite):
1262
if filter_re.search(test.id()):
1263
result.addTest(test)
1267
def run_suite(suite, name='test', verbose=False, pattern=".*",
1268
stop_on_failure=False, keep_output=False,
1269
transport=None, lsprof_timed=None, bench_history=None):
1270
TestCaseInTempDir._TEST_NAME = name
1271
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
1277
pb = progress.ProgressBar()
1278
runner = TextTestRunner(stream=sys.stdout,
1280
verbosity=verbosity,
1281
keep_output=keep_output,
1283
bench_history=bench_history)
1284
runner.stop_on_failure=stop_on_failure
1286
suite = filter_suite_by_re(suite, pattern)
1287
result = runner.run(suite)
1288
return result.wasSuccessful()
1291
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
1294
test_suite_factory=None,
1296
bench_history=None):
1297
"""Run the whole test suite under the enhanced runner"""
1298
# XXX: Very ugly way to do this...
1299
# Disable warning about old formats because we don't want it to disturb
1300
# any blackbox tests.
1301
from bzrlib import repository
1302
repository._deprecation_warning_done = True
1304
global default_transport
1305
if transport is None:
1306
transport = default_transport
1307
old_transport = default_transport
1308
default_transport = transport
1310
if test_suite_factory is None:
1311
suite = test_suite()
1313
suite = test_suite_factory()
1314
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
1315
stop_on_failure=stop_on_failure, keep_output=keep_output,
1316
transport=transport,
1317
lsprof_timed=lsprof_timed,
1318
bench_history=bench_history)
1320
default_transport = old_transport
1324
"""Build and return TestSuite for the whole of bzrlib.
1326
This function can be replaced if you need to change the default test
1327
suite on a global basis, but it is not encouraged.
1330
'bzrlib.tests.test_ancestry',
1331
'bzrlib.tests.test_api',
1332
'bzrlib.tests.test_atomicfile',
1333
'bzrlib.tests.test_bad_files',
1334
'bzrlib.tests.test_branch',
1335
'bzrlib.tests.test_bundle',
1336
'bzrlib.tests.test_bzrdir',
1337
'bzrlib.tests.test_cache_utf8',
1338
'bzrlib.tests.test_command',
1339
'bzrlib.tests.test_commit',
1340
'bzrlib.tests.test_commit_merge',
1341
'bzrlib.tests.test_config',
1342
'bzrlib.tests.test_conflicts',
1343
'bzrlib.tests.test_decorators',
1344
'bzrlib.tests.test_diff',
1345
'bzrlib.tests.test_doc_generate',
1346
'bzrlib.tests.test_errors',
1347
'bzrlib.tests.test_escaped_store',
1348
'bzrlib.tests.test_fetch',
1349
'bzrlib.tests.test_gpg',
1350
'bzrlib.tests.test_graph',
1351
'bzrlib.tests.test_hashcache',
1352
'bzrlib.tests.test_http',
1353
'bzrlib.tests.test_http_response',
1354
'bzrlib.tests.test_identitymap',
1355
'bzrlib.tests.test_ignores',
1356
'bzrlib.tests.test_inv',
1357
'bzrlib.tests.test_knit',
1358
'bzrlib.tests.test_lockdir',
1359
'bzrlib.tests.test_lockable_files',
1360
'bzrlib.tests.test_log',
1361
'bzrlib.tests.test_merge',
1362
'bzrlib.tests.test_merge3',
1363
'bzrlib.tests.test_merge_core',
1364
'bzrlib.tests.test_missing',
1365
'bzrlib.tests.test_msgeditor',
1366
'bzrlib.tests.test_nonascii',
1367
'bzrlib.tests.test_options',
1368
'bzrlib.tests.test_osutils',
1369
'bzrlib.tests.test_patch',
1370
'bzrlib.tests.test_patches',
1371
'bzrlib.tests.test_permissions',
1372
'bzrlib.tests.test_plugins',
1373
'bzrlib.tests.test_progress',
1374
'bzrlib.tests.test_reconcile',
1375
'bzrlib.tests.test_repository',
1376
'bzrlib.tests.test_revert',
1377
'bzrlib.tests.test_revision',
1378
'bzrlib.tests.test_revisionnamespaces',
1379
'bzrlib.tests.test_revisiontree',
1380
'bzrlib.tests.test_rio',
1381
'bzrlib.tests.test_sampler',
1382
'bzrlib.tests.test_selftest',
1383
'bzrlib.tests.test_setup',
1384
'bzrlib.tests.test_sftp_transport',
1385
'bzrlib.tests.test_ftp_transport',
1386
'bzrlib.tests.test_smart_add',
1387
'bzrlib.tests.test_source',
1388
'bzrlib.tests.test_status',
1389
'bzrlib.tests.test_store',
1390
'bzrlib.tests.test_symbol_versioning',
1391
'bzrlib.tests.test_testament',
1392
'bzrlib.tests.test_textfile',
1393
'bzrlib.tests.test_textmerge',
1394
'bzrlib.tests.test_trace',
1395
'bzrlib.tests.test_transactions',
1396
'bzrlib.tests.test_transform',
1397
'bzrlib.tests.test_transport',
1398
'bzrlib.tests.test_tree',
1399
'bzrlib.tests.test_tsort',
1400
'bzrlib.tests.test_tuned_gzip',
1401
'bzrlib.tests.test_ui',
1402
'bzrlib.tests.test_upgrade',
1403
'bzrlib.tests.test_urlutils',
1404
'bzrlib.tests.test_versionedfile',
1405
'bzrlib.tests.test_version',
1406
'bzrlib.tests.test_weave',
1407
'bzrlib.tests.test_whitebox',
1408
'bzrlib.tests.test_workingtree',
1409
'bzrlib.tests.test_xml',
1411
test_transport_implementations = [
1412
'bzrlib.tests.test_transport_implementations',
1413
'bzrlib.tests.test_read_bundle',
1415
suite = TestUtil.TestSuite()
1416
loader = TestUtil.TestLoader()
1417
suite.addTest(loader.loadTestsFromModuleNames(testmod_names))
1418
from bzrlib.transport import TransportTestProviderAdapter
1419
adapter = TransportTestProviderAdapter()
1420
adapt_modules(test_transport_implementations, adapter, loader, suite)
1421
for package in packages_to_test():
1422
suite.addTest(package.test_suite())
1423
for m in MODULES_TO_TEST:
1424
suite.addTest(loader.loadTestsFromModule(m))
1425
for m in MODULES_TO_DOCTEST:
1426
suite.addTest(doctest.DocTestSuite(m))
1427
for name, plugin in bzrlib.plugin.all_plugins().items():
1428
if getattr(plugin, 'test_suite', None) is not None:
1429
suite.addTest(plugin.test_suite())
1433
def adapt_modules(mods_list, adapter, loader, suite):
1434
"""Adapt the modules in mods_list using adapter and add to suite."""
1435
for test in iter_suite_tests(loader.loadTestsFromModuleNames(mods_list)):
1436
suite.addTests(adapter.adapt(test))