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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.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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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 _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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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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'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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"""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.)
769
Much of the old code runs bzr by forking a new copy of Python, but
770
that is slower, harder to debug, and generally not necessary.
772
This runs bzr through the interface that catches and reports
773
errors, and with logging set to something approximating the
774
default, so that error reporting can be checked.
776
:param argv: arguments to invoke bzr
777
:param retcode: expected return code, or None for don't-care.
778
:param encoding: encoding for sys.stdout and sys.stderr
779
:param stdin: A string to be used as stdin for the command.
782
encoding = bzrlib.user_encoding
783
if stdin is not None:
784
stdin = StringIO(stdin)
785
stdout = StringIOWrapper()
786
stderr = StringIOWrapper()
787
stdout.encoding = encoding
788
stderr.encoding = encoding
790
self.log('run bzr: %r', argv)
791
# FIXME: don't call into logging here
792
handler = logging.StreamHandler(stderr)
793
handler.setLevel(logging.INFO)
794
logger = logging.getLogger('')
795
logger.addHandler(handler)
796
old_ui_factory = bzrlib.ui.ui_factory
797
bzrlib.ui.ui_factory = bzrlib.tests.blackbox.TestUIFactory(
800
bzrlib.ui.ui_factory.stdin = stdin
802
result = self.apply_redirected(stdin, stdout, stderr,
803
bzrlib.commands.run_bzr_catch_errors,
806
logger.removeHandler(handler)
807
bzrlib.ui.ui_factory = old_ui_factory
809
out = stdout.getvalue()
810
err = stderr.getvalue()
812
self.log('output:\n%r', out)
814
self.log('errors:\n%r', err)
815
if retcode is not None:
816
self.assertEquals(retcode, result)
819
def run_bzr(self, *args, **kwargs):
820
"""Invoke bzr, as if it were run from the command line.
822
This should be the main method for tests that want to exercise the
823
overall behavior of the bzr application (rather than a unit test
824
or a functional test of the library.)
826
This sends the stdout/stderr results into the test's log,
827
where it may be useful for debugging. See also run_captured.
829
:param stdin: A string to be used as stdin for the command.
831
retcode = kwargs.pop('retcode', 0)
832
encoding = kwargs.pop('encoding', None)
833
stdin = kwargs.pop('stdin', None)
834
return self.run_bzr_captured(args, retcode=retcode, encoding=encoding, stdin=stdin)
836
def run_bzr_decode(self, *args, **kwargs):
837
if 'encoding' in kwargs:
838
encoding = kwargs['encoding']
840
encoding = bzrlib.user_encoding
841
return self.run_bzr(*args, **kwargs)[0].decode(encoding)
843
def run_bzr_error(self, error_regexes, *args, **kwargs):
844
"""Run bzr, and check that stderr contains the supplied regexes
846
:param error_regexes: Sequence of regular expressions which
847
must each be found in the error output. The relative ordering
849
:param args: command-line arguments for bzr
850
:param kwargs: Keyword arguments which are interpreted by run_bzr
851
This function changes the default value of retcode to be 3,
852
since in most cases this is run when you expect bzr to fail.
853
:return: (out, err) The actual output of running the command (in case you
854
want to do more inspection)
857
# Make sure that commit is failing because there is nothing to do
858
self.run_bzr_error(['no changes to commit'],
859
'commit', '-m', 'my commit comment')
860
# Make sure --strict is handling an unknown file, rather than
861
# giving us the 'nothing to do' error
862
self.build_tree(['unknown'])
863
self.run_bzr_error(['Commit refused because there are unknown files'],
864
'commit', '--strict', '-m', 'my commit comment')
866
kwargs.setdefault('retcode', 3)
867
out, err = self.run_bzr(*args, **kwargs)
868
for regex in error_regexes:
869
self.assertContainsRe(err, regex)
872
def run_bzr_subprocess(self, *args, **kwargs):
873
"""Run bzr in a subprocess for testing.
875
This starts a new Python interpreter and runs bzr in there.
876
This should only be used for tests that have a justifiable need for
877
this isolation: e.g. they are testing startup time, or signal
878
handling, or early startup code, etc. Subprocess code can't be
879
profiled or debugged so easily.
881
:param retcode: The status code that is expected. Defaults to 0. If
882
None is supplied, the status code is not checked.
883
:param env_changes: A dictionary which lists changes to environment
884
variables. A value of None will unset the env variable.
885
The values must be strings. The change will only occur in the
886
child, so you don't need to fix the environment after running.
887
:param universal_newlines: Convert CRLF => LF
889
env_changes = kwargs.get('env_changes', {})
890
process = self.start_bzr_subprocess(args, env_changes=env_changes)
891
# We distinguish between retcode=None and retcode not passed.
892
supplied_retcode = kwargs.get('retcode', 0)
893
return self.finish_bzr_subprocess(process, retcode=supplied_retcode,
894
universal_newlines=kwargs.get('universal_newlines', False),
897
def start_bzr_subprocess(self, process_args, env_changes=None,
898
skip_if_plan_to_signal=False):
899
"""Start bzr in a subprocess for testing.
901
This starts a new Python interpreter and runs bzr in there.
902
This should only be used for tests that have a justifiable need for
903
this isolation: e.g. they are testing startup time, or signal
904
handling, or early startup code, etc. Subprocess code can't be
905
profiled or debugged so easily.
907
:param process_args: a list of arguments to pass to the bzr executable,
908
for example `['--version']`.
909
:param env_changes: A dictionary which lists changes to environment
910
variables. A value of None will unset the env variable.
911
The values must be strings. The change will only occur in the
912
child, so you don't need to fix the environment after running.
913
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
916
:returns: Popen object for the started process.
918
if skip_if_plan_to_signal:
919
if not getattr(os, 'kill', None):
920
raise TestSkipped("os.kill not available.")
922
if env_changes is None:
926
def cleanup_environment():
927
for env_var, value in env_changes.iteritems():
928
old_env[env_var] = osutils.set_or_unset_env(env_var, value)
930
def restore_environment():
931
for env_var, value in old_env.iteritems():
932
osutils.set_or_unset_env(env_var, value)
934
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
935
if not os.path.isfile(bzr_path):
936
# We are probably installed. Assume sys.argv is the right file
937
bzr_path = sys.argv[0]
940
# win32 subprocess doesn't support preexec_fn
941
# so we will avoid using it on all platforms, just to
942
# make sure the code path is used, and we don't break on win32
943
cleanup_environment()
944
process = Popen([sys.executable, bzr_path] + list(process_args),
945
stdout=PIPE, stderr=PIPE)
947
restore_environment()
950
def finish_bzr_subprocess(self, process, retcode=0, send_signal=None,
951
universal_newlines=False, process_args=None):
952
"""Finish the execution of process.
954
:param process: the Popen object returned from start_bzr_subprocess.
955
:param retcode: The status code that is expected. Defaults to 0. If
956
None is supplied, the status code is not checked.
957
:param send_signal: an optional signal to send to the process.
958
:param universal_newlines: Convert CRLF => LF
959
:returns: (stdout, stderr)
961
if send_signal is not None:
962
os.kill(process.pid, send_signal)
963
out, err = process.communicate()
965
if universal_newlines:
966
out = out.replace('\r\n', '\n')
967
err = err.replace('\r\n', '\n')
969
if retcode is not None and retcode != process.returncode:
970
if process_args is None:
971
process_args = "(unknown args)"
972
mutter('Output of bzr %s:\n%s', process_args, out)
973
mutter('Error for bzr %s:\n%s', process_args, err)
974
self.fail('Command bzr %s failed with retcode %s != %s'
975
% (process_args, retcode, process.returncode))
978
def check_inventory_shape(self, inv, shape):
979
"""Compare an inventory to a list of expected names.
981
Fail if they are not precisely equal.
984
shape = list(shape) # copy
985
for path, ie in inv.entries():
986
name = path.replace('\\', '/')
994
self.fail("expected paths not found in inventory: %r" % shape)
996
self.fail("unexpected paths found in inventory: %r" % extras)
998
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
999
a_callable=None, *args, **kwargs):
1000
"""Call callable with redirected std io pipes.
1002
Returns the return code."""
1003
if not callable(a_callable):
1004
raise ValueError("a_callable must be callable.")
1006
stdin = StringIO("")
1008
if getattr(self, "_log_file", None) is not None:
1009
stdout = self._log_file
1013
if getattr(self, "_log_file", None is not None):
1014
stderr = self._log_file
1017
real_stdin = sys.stdin
1018
real_stdout = sys.stdout
1019
real_stderr = sys.stderr
1024
return a_callable(*args, **kwargs)
1026
sys.stdout = real_stdout
1027
sys.stderr = real_stderr
1028
sys.stdin = real_stdin
1030
@symbol_versioning.deprecated_method(symbol_versioning.zero_eleven)
1031
def merge(self, branch_from, wt_to):
1032
"""A helper for tests to do a ui-less merge.
1034
This should move to the main library when someone has time to integrate
1037
# minimal ui-less merge.
1038
wt_to.branch.fetch(branch_from)
1039
base_rev = common_ancestor(branch_from.last_revision(),
1040
wt_to.branch.last_revision(),
1041
wt_to.branch.repository)
1042
merge_inner(wt_to.branch, branch_from.basis_tree(),
1043
wt_to.branch.repository.revision_tree(base_rev),
1045
wt_to.add_parent_tree_id(branch_from.last_revision())
1048
BzrTestBase = TestCase
1051
class TestCaseInTempDir(TestCase):
1052
"""Derived class that runs a test within a temporary directory.
1054
This is useful for tests that need to create a branch, etc.
1056
The directory is created in a slightly complex way: for each
1057
Python invocation, a new temporary top-level directory is created.
1058
All test cases create their own directory within that. If the
1059
tests complete successfully, the directory is removed.
1061
InTempDir is an old alias for FunctionalTestCase.
1066
OVERRIDE_PYTHON = 'python'
1068
def check_file_contents(self, filename, expect):
1069
self.log("check contents of file %s" % filename)
1070
contents = file(filename, 'r').read()
1071
if contents != expect:
1072
self.log("expected: %r" % expect)
1073
self.log("actually: %r" % contents)
1074
self.fail("contents of %s not as expected" % filename)
1076
def _make_test_root(self):
1077
if TestCaseInTempDir.TEST_ROOT is not None:
1081
root = u'test%04d.tmp' % i
1085
if e.errno == errno.EEXIST:
1090
# successfully created
1091
TestCaseInTempDir.TEST_ROOT = osutils.abspath(root)
1093
# make a fake bzr directory there to prevent any tests propagating
1094
# up onto the source directory's real branch
1095
bzrdir.BzrDir.create_standalone_workingtree(TestCaseInTempDir.TEST_ROOT)
1098
super(TestCaseInTempDir, self).setUp()
1099
self._make_test_root()
1100
_currentdir = os.getcwdu()
1101
# shorten the name, to avoid test failures due to path length
1102
short_id = self.id().replace('bzrlib.tests.', '') \
1103
.replace('__main__.', '')[-100:]
1104
# it's possible the same test class is run several times for
1105
# parameterized tests, so make sure the names don't collide.
1109
candidate_dir = '%s/%s.%d' % (self.TEST_ROOT, short_id, i)
1111
candidate_dir = '%s/%s' % (self.TEST_ROOT, short_id)
1112
if os.path.exists(candidate_dir):
1116
os.mkdir(candidate_dir)
1117
self.test_home_dir = candidate_dir + '/home'
1118
os.mkdir(self.test_home_dir)
1119
self.test_dir = candidate_dir + '/work'
1120
os.mkdir(self.test_dir)
1121
os.chdir(self.test_dir)
1123
os.environ['HOME'] = self.test_home_dir
1124
os.environ['APPDATA'] = self.test_home_dir
1125
def _leaveDirectory():
1126
os.chdir(_currentdir)
1127
self.addCleanup(_leaveDirectory)
1129
def build_tree(self, shape, line_endings='native', transport=None):
1130
"""Build a test tree according to a pattern.
1132
shape is a sequence of file specifications. If the final
1133
character is '/', a directory is created.
1135
This assumes that all the elements in the tree being built are new.
1137
This doesn't add anything to a branch.
1138
:param line_endings: Either 'binary' or 'native'
1139
in binary mode, exact contents are written
1140
in native mode, the line endings match the
1141
default platform endings.
1143
:param transport: A transport to write to, for building trees on
1144
VFS's. If the transport is readonly or None,
1145
"." is opened automatically.
1147
# It's OK to just create them using forward slashes on windows.
1148
if transport is None or transport.is_readonly():
1149
transport = get_transport(".")
1151
self.assert_(isinstance(name, basestring))
1153
transport.mkdir(urlutils.escape(name[:-1]))
1155
if line_endings == 'binary':
1157
elif line_endings == 'native':
1160
raise errors.BzrError('Invalid line ending request %r' % (line_endings,))
1161
content = "contents of %s%s" % (name.encode('utf-8'), end)
1162
# Technically 'put()' is the right command. However, put
1163
# uses an AtomicFile, which requires an extra rename into place
1164
# As long as the files didn't exist in the past, append() will
1165
# do the same thing as put()
1166
# On jam's machine, make_kernel_like_tree is:
1167
# put: 4.5-7.5s (averaging 6s)
1169
# put_non_atomic: 2.9-4.5s
1170
transport.put_bytes_non_atomic(urlutils.escape(name), content)
1172
def build_tree_contents(self, shape):
1173
build_tree_contents(shape)
1175
def failUnlessExists(self, path):
1176
"""Fail unless path, which may be abs or relative, exists."""
1177
self.failUnless(osutils.lexists(path))
1179
def failIfExists(self, path):
1180
"""Fail if path, which may be abs or relative, exists."""
1181
self.failIf(osutils.lexists(path))
1183
def assertFileEqual(self, content, path):
1184
"""Fail if path does not contain 'content'."""
1185
self.failUnless(osutils.lexists(path))
1186
# TODO: jam 20060427 Shouldn't this be 'rb'?
1187
self.assertEqualDiff(content, open(path, 'r').read())
1190
class TestCaseWithTransport(TestCaseInTempDir):
1191
"""A test case that provides get_url and get_readonly_url facilities.
1193
These back onto two transport servers, one for readonly access and one for
1196
If no explicit class is provided for readonly access, a
1197
ReadonlyTransportDecorator is used instead which allows the use of non disk
1198
based read write transports.
1200
If an explicit class is provided for readonly access, that server and the
1201
readwrite one must both define get_url() as resolving to os.getcwd().
1204
def __init__(self, methodName='testMethod'):
1205
super(TestCaseWithTransport, self).__init__(methodName)
1206
self.__readonly_server = None
1207
self.__server = None
1208
self.transport_server = default_transport
1209
self.transport_readonly_server = None
1211
def get_readonly_url(self, relpath=None):
1212
"""Get a URL for the readonly transport.
1214
This will either be backed by '.' or a decorator to the transport
1215
used by self.get_url()
1216
relpath provides for clients to get a path relative to the base url.
1217
These should only be downwards relative, not upwards.
1219
base = self.get_readonly_server().get_url()
1220
if relpath is not None:
1221
if not base.endswith('/'):
1223
base = base + relpath
1226
def get_readonly_server(self):
1227
"""Get the server instance for the readonly transport
1229
This is useful for some tests with specific servers to do diagnostics.
1231
if self.__readonly_server is None:
1232
if self.transport_readonly_server is None:
1233
# readonly decorator requested
1234
# bring up the server
1236
self.__readonly_server = ReadonlyServer()
1237
self.__readonly_server.setUp(self.__server)
1239
self.__readonly_server = self.transport_readonly_server()
1240
self.__readonly_server.setUp()
1241
self.addCleanup(self.__readonly_server.tearDown)
1242
return self.__readonly_server
1244
def get_server(self):
1245
"""Get the read/write server instance.
1247
This is useful for some tests with specific servers that need
1250
if self.__server is None:
1251
self.__server = self.transport_server()
1252
self.__server.setUp()
1253
self.addCleanup(self.__server.tearDown)
1254
return self.__server
1256
def get_url(self, relpath=None):
1257
"""Get a URL (or maybe a path) for the readwrite transport.
1259
This will either be backed by '.' or to an equivalent non-file based
1261
relpath provides for clients to get a path relative to the base url.
1262
These should only be downwards relative, not upwards.
1264
base = self.get_server().get_url()
1265
if relpath is not None and relpath != '.':
1266
if not base.endswith('/'):
1268
# XXX: Really base should be a url; we did after all call
1269
# get_url()! But sometimes it's just a path (from
1270
# LocalAbspathServer), and it'd be wrong to append urlescaped data
1271
# to a non-escaped local path.
1272
if base.startswith('./') or base.startswith('/'):
1275
base += urlutils.escape(relpath)
1278
def get_transport(self):
1279
"""Return a writeable transport for the test scratch space"""
1280
t = get_transport(self.get_url())
1281
self.assertFalse(t.is_readonly())
1284
def get_readonly_transport(self):
1285
"""Return a readonly transport for the test scratch space
1287
This can be used to test that operations which should only need
1288
readonly access in fact do not try to write.
1290
t = get_transport(self.get_readonly_url())
1291
self.assertTrue(t.is_readonly())
1294
def make_branch(self, relpath, format=None):
1295
"""Create a branch on the transport at relpath."""
1296
repo = self.make_repository(relpath, format=format)
1297
return repo.bzrdir.create_branch()
1299
def make_bzrdir(self, relpath, format=None):
1301
# might be a relative or absolute path
1302
maybe_a_url = self.get_url(relpath)
1303
segments = maybe_a_url.rsplit('/', 1)
1304
t = get_transport(maybe_a_url)
1305
if len(segments) > 1 and segments[-1] not in ('', '.'):
1308
except errors.FileExists:
1311
format = bzrlib.bzrdir.BzrDirFormat.get_default_format()
1312
return format.initialize_on_transport(t)
1313
except errors.UninitializableFormat:
1314
raise TestSkipped("Format %s is not initializable." % format)
1316
def make_repository(self, relpath, shared=False, format=None):
1317
"""Create a repository on our default transport at relpath."""
1318
made_control = self.make_bzrdir(relpath, format=format)
1319
return made_control.create_repository(shared=shared)
1321
def make_branch_and_tree(self, relpath, format=None):
1322
"""Create a branch on the transport and a tree locally.
1324
If the transport is not a LocalTransport, the Tree can't be created on
1325
the transport. In that case the working tree is created in the local
1326
directory, and the returned tree's branch and repository will also be
1329
This will fail if the original default transport for this test
1330
case wasn't backed by the working directory, as the branch won't
1331
be on disk for us to open it.
1333
:param format: The BzrDirFormat.
1334
:returns: the WorkingTree.
1336
# TODO: always use the local disk path for the working tree,
1337
# this obviously requires a format that supports branch references
1338
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
1340
b = self.make_branch(relpath, format=format)
1342
return b.bzrdir.create_workingtree()
1343
except errors.NotLocalUrl:
1344
# We can only make working trees locally at the moment. If the
1345
# transport can't support them, then reopen the branch on a local
1346
# transport, and create the working tree there.
1348
# Possibly we should instead keep
1349
# the non-disk-backed branch and create a local checkout?
1350
bd = bzrdir.BzrDir.open(relpath)
1351
return bd.create_workingtree()
1353
def assertIsDirectory(self, relpath, transport):
1354
"""Assert that relpath within transport is a directory.
1356
This may not be possible on all transports; in that case it propagates
1357
a TransportNotPossible.
1360
mode = transport.stat(relpath).st_mode
1361
except errors.NoSuchFile:
1362
self.fail("path %s is not a directory; no such file"
1364
if not stat.S_ISDIR(mode):
1365
self.fail("path %s is not a directory; has mode %#o"
1369
class ChrootedTestCase(TestCaseWithTransport):
1370
"""A support class that provides readonly urls outside the local namespace.
1372
This is done by checking if self.transport_server is a MemoryServer. if it
1373
is then we are chrooted already, if it is not then an HttpServer is used
1376
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
1377
be used without needed to redo it when a different
1378
subclass is in use ?
1382
super(ChrootedTestCase, self).setUp()
1383
if not self.transport_server == bzrlib.transport.memory.MemoryServer:
1384
self.transport_readonly_server = bzrlib.transport.http.HttpServer
1387
def filter_suite_by_re(suite, pattern):
1388
result = TestUtil.TestSuite()
1389
filter_re = re.compile(pattern)
1390
for test in iter_suite_tests(suite):
1391
if filter_re.search(test.id()):
1392
result.addTest(test)
1396
def run_suite(suite, name='test', verbose=False, pattern=".*",
1397
stop_on_failure=False, keep_output=False,
1398
transport=None, lsprof_timed=None, bench_history=None):
1399
TestCaseInTempDir._TEST_NAME = name
1400
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
1406
pb = progress.ProgressBar()
1407
runner = TextTestRunner(stream=sys.stdout,
1409
verbosity=verbosity,
1410
keep_output=keep_output,
1412
bench_history=bench_history)
1413
runner.stop_on_failure=stop_on_failure
1415
suite = filter_suite_by_re(suite, pattern)
1416
result = runner.run(suite)
1417
return result.wasSuccessful()
1420
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
1423
test_suite_factory=None,
1425
bench_history=None):
1426
"""Run the whole test suite under the enhanced runner"""
1427
# XXX: Very ugly way to do this...
1428
# Disable warning about old formats because we don't want it to disturb
1429
# any blackbox tests.
1430
from bzrlib import repository
1431
repository._deprecation_warning_done = True
1433
global default_transport
1434
if transport is None:
1435
transport = default_transport
1436
old_transport = default_transport
1437
default_transport = transport
1439
if test_suite_factory is None:
1440
suite = test_suite()
1442
suite = test_suite_factory()
1443
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
1444
stop_on_failure=stop_on_failure, keep_output=keep_output,
1445
transport=transport,
1446
lsprof_timed=lsprof_timed,
1447
bench_history=bench_history)
1449
default_transport = old_transport
1453
"""Build and return TestSuite for the whole of bzrlib.
1455
This function can be replaced if you need to change the default test
1456
suite on a global basis, but it is not encouraged.
1459
'bzrlib.tests.test_ancestry',
1460
'bzrlib.tests.test_api',
1461
'bzrlib.tests.test_atomicfile',
1462
'bzrlib.tests.test_bad_files',
1463
'bzrlib.tests.test_branch',
1464
'bzrlib.tests.test_bundle',
1465
'bzrlib.tests.test_bzrdir',
1466
'bzrlib.tests.test_cache_utf8',
1467
'bzrlib.tests.test_command',
1468
'bzrlib.tests.test_commit',
1469
'bzrlib.tests.test_commit_merge',
1470
'bzrlib.tests.test_config',
1471
'bzrlib.tests.test_conflicts',
1472
'bzrlib.tests.test_decorators',
1473
'bzrlib.tests.test_diff',
1474
'bzrlib.tests.test_doc_generate',
1475
'bzrlib.tests.test_errors',
1476
'bzrlib.tests.test_escaped_store',
1477
'bzrlib.tests.test_fetch',
1478
'bzrlib.tests.test_gpg',
1479
'bzrlib.tests.test_graph',
1480
'bzrlib.tests.test_hashcache',
1481
'bzrlib.tests.test_http',
1482
'bzrlib.tests.test_http_response',
1483
'bzrlib.tests.test_identitymap',
1484
'bzrlib.tests.test_ignores',
1485
'bzrlib.tests.test_inv',
1486
'bzrlib.tests.test_knit',
1487
'bzrlib.tests.test_lazy_import',
1488
'bzrlib.tests.test_lockdir',
1489
'bzrlib.tests.test_lockable_files',
1490
'bzrlib.tests.test_log',
1491
'bzrlib.tests.test_merge',
1492
'bzrlib.tests.test_merge3',
1493
'bzrlib.tests.test_merge_core',
1494
'bzrlib.tests.test_missing',
1495
'bzrlib.tests.test_msgeditor',
1496
'bzrlib.tests.test_nonascii',
1497
'bzrlib.tests.test_options',
1498
'bzrlib.tests.test_osutils',
1499
'bzrlib.tests.test_patch',
1500
'bzrlib.tests.test_patches',
1501
'bzrlib.tests.test_permissions',
1502
'bzrlib.tests.test_plugins',
1503
'bzrlib.tests.test_progress',
1504
'bzrlib.tests.test_reconcile',
1505
'bzrlib.tests.test_repository',
1506
'bzrlib.tests.test_revert',
1507
'bzrlib.tests.test_revision',
1508
'bzrlib.tests.test_revisionnamespaces',
1509
'bzrlib.tests.test_revisiontree',
1510
'bzrlib.tests.test_rio',
1511
'bzrlib.tests.test_sampler',
1512
'bzrlib.tests.test_selftest',
1513
'bzrlib.tests.test_setup',
1514
'bzrlib.tests.test_sftp_transport',
1515
'bzrlib.tests.test_ftp_transport',
1516
'bzrlib.tests.test_smart_add',
1517
'bzrlib.tests.test_source',
1518
'bzrlib.tests.test_status',
1519
'bzrlib.tests.test_store',
1520
'bzrlib.tests.test_symbol_versioning',
1521
'bzrlib.tests.test_testament',
1522
'bzrlib.tests.test_textfile',
1523
'bzrlib.tests.test_textmerge',
1524
'bzrlib.tests.test_trace',
1525
'bzrlib.tests.test_transactions',
1526
'bzrlib.tests.test_transform',
1527
'bzrlib.tests.test_transport',
1528
'bzrlib.tests.test_tree',
1529
'bzrlib.tests.test_tsort',
1530
'bzrlib.tests.test_tuned_gzip',
1531
'bzrlib.tests.test_ui',
1532
'bzrlib.tests.test_upgrade',
1533
'bzrlib.tests.test_urlutils',
1534
'bzrlib.tests.test_versionedfile',
1535
'bzrlib.tests.test_version',
1536
'bzrlib.tests.test_weave',
1537
'bzrlib.tests.test_whitebox',
1538
'bzrlib.tests.test_workingtree',
1539
'bzrlib.tests.test_xml',
1541
test_transport_implementations = [
1542
'bzrlib.tests.test_transport_implementations',
1543
'bzrlib.tests.test_read_bundle',
1545
suite = TestUtil.TestSuite()
1546
loader = TestUtil.TestLoader()
1547
suite.addTest(loader.loadTestsFromModuleNames(testmod_names))
1548
from bzrlib.transport import TransportTestProviderAdapter
1549
adapter = TransportTestProviderAdapter()
1550
adapt_modules(test_transport_implementations, adapter, loader, suite)
1551
for package in packages_to_test():
1552
suite.addTest(package.test_suite())
1553
for m in MODULES_TO_TEST:
1554
suite.addTest(loader.loadTestsFromModule(m))
1555
for m in MODULES_TO_DOCTEST:
1556
suite.addTest(doctest.DocTestSuite(m))
1557
for name, plugin in bzrlib.plugin.all_plugins().items():
1558
if getattr(plugin, 'test_suite', None) is not None:
1559
suite.addTest(plugin.test_suite())
1563
def adapt_modules(mods_list, adapter, loader, suite):
1564
"""Adapt the modules in mods_list using adapter and add to suite."""
1565
for test in iter_suite_tests(loader.loadTestsFromModuleNames(mods_list)):
1566
suite.addTests(adapter.adapt(test))
added
removed
bzrlib/tests/__init__.py
