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# Copyright (C) 2005, 2006 by Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# TODO: Perhaps there should be an API to find out if bzr running under the
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# test suite -- some plugins might want to avoid making intrusive changes if
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# this is the case. However, we want behaviour under to test to diverge as
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# little as possible, so this should be used rarely if it's added at all.
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# (Suggestion from j-a-meinel, 2005-11-24)
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# NOTE: Some classes in here use camelCaseNaming() rather than
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# underscore_naming(). That's for consistency with unittest; it's not the
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# general style of bzrlib. Please continue that consistency when adding e.g.
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# new assertFoo() methods.
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from cStringIO import StringIO
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from subprocess import Popen, PIPE
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from bzrlib import memorytree
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import bzrlib.bzrdir as bzrdir
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import bzrlib.commands
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import bzrlib.bundle.serializer
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import bzrlib.errors as errors
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import bzrlib.inventory
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import bzrlib.iterablefile
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# lsprof not available
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from bzrlib.merge import merge_inner
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import bzrlib.osutils as osutils
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import bzrlib.progress as progress
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from bzrlib.revision import common_ancestor
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from bzrlib import symbol_versioning
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from bzrlib.transport import get_transport
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import bzrlib.transport
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from bzrlib.transport.local import LocalRelpathServer
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from bzrlib.transport.readonly import ReadonlyServer
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from bzrlib.trace import mutter
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from bzrlib.tests import TestUtil
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from bzrlib.tests.TestUtil import (
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from bzrlib.tests.treeshape import build_tree_contents
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import bzrlib.urlutils as urlutils
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from bzrlib.workingtree import WorkingTree, WorkingTreeFormat2
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default_transport = LocalRelpathServer
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MODULES_TO_DOCTEST = [
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bzrlib.bundle.serializer,
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def packages_to_test():
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"""Return a list of packages to test.
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The packages are not globally imported so that import failures are
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triggered when running selftest, not when importing the command.
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import bzrlib.tests.blackbox
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import bzrlib.tests.branch_implementations
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import bzrlib.tests.bzrdir_implementations
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import bzrlib.tests.interrepository_implementations
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import bzrlib.tests.interversionedfile_implementations
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import bzrlib.tests.intertree_implementations
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import bzrlib.tests.repository_implementations
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import bzrlib.tests.revisionstore_implementations
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import bzrlib.tests.tree_implementations
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import bzrlib.tests.workingtree_implementations
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bzrlib.tests.blackbox,
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bzrlib.tests.branch_implementations,
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bzrlib.tests.bzrdir_implementations,
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bzrlib.tests.interrepository_implementations,
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bzrlib.tests.interversionedfile_implementations,
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bzrlib.tests.intertree_implementations,
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bzrlib.tests.repository_implementations,
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bzrlib.tests.revisionstore_implementations,
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bzrlib.tests.tree_implementations,
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bzrlib.tests.workingtree_implementations,
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class _MyResult(unittest._TextTestResult):
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"""Custom TestResult.
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Shows output in a different format, including displaying runtime for tests.
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def __init__(self, stream, descriptions, verbosity, pb=None,
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"""Construct new TestResult.
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:param bench_history: Optionally, a writable file object to accumulate
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unittest._TextTestResult.__init__(self, stream, descriptions, verbosity)
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if bench_history is not None:
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from bzrlib.version import _get_bzr_source_tree
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src_tree = _get_bzr_source_tree()
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revision_id = src_tree.get_parent_ids()[0]
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# XXX: if this is a brand new tree, do the same as if there
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# XXX: If there's no branch, what should we do?
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bench_history.write("--date %s %s\n" % (time.time(), revision_id))
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self._bench_history = bench_history
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def extractBenchmarkTime(self, testCase):
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"""Add a benchmark time for the current test case."""
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self._benchmarkTime = getattr(testCase, "_benchtime", None)
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def _elapsedTestTimeString(self):
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"""Return a time string for the overall time the current test has taken."""
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return self._formatTime(time.time() - self._start_time)
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def _testTimeString(self):
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if self._benchmarkTime is not None:
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self._formatTime(self._benchmarkTime),
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self._elapsedTestTimeString())
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return " %s" % self._elapsedTestTimeString()
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def _formatTime(self, seconds):
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"""Format seconds as milliseconds with leading spaces."""
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return "%5dms" % (1000 * seconds)
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def _ellipsise_unimportant_words(self, a_string, final_width,
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"""Add ellipses (sp?) for overly long strings.
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:param keep_start: If true preserve the start of a_string rather
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if len(a_string) > final_width:
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result = a_string[:final_width-3] + '...'
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if len(a_string) > final_width:
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result = '...' + a_string[3-final_width:]
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return result.ljust(final_width)
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def startTest(self, test):
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unittest.TestResult.startTest(self, test)
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# In a short description, the important words are in
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# the beginning, but in an id, the important words are
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SHOW_DESCRIPTIONS = False
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if not self.showAll and self.dots and self.pb is not None:
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final_width = osutils.terminal_width()
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final_width = final_width - 15 - 8
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if SHOW_DESCRIPTIONS:
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what = test.shortDescription()
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what = self._ellipsise_unimportant_words(what, final_width, keep_start=True)
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if what.startswith('bzrlib.tests.'):
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what = self._ellipsise_unimportant_words(what, final_width)
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self.stream.write(what)
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elif self.dots and self.pb is not None:
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self.pb.update(what, self.testsRun - 1, None)
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self._recordTestStartTime()
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def _recordTestStartTime(self):
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"""Record that a test has started."""
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self._start_time = time.time()
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def addError(self, test, err):
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if isinstance(err[1], TestSkipped):
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return self.addSkipped(test, err)
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unittest.TestResult.addError(self, test, err)
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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
768
or a functional test of the library.)
770
Much of the old code runs bzr by forking a new copy of Python, but
771
that is slower, harder to debug, and generally not necessary.
773
This runs bzr through the interface that catches and reports
774
errors, and with logging set to something approximating the
775
default, so that error reporting can be checked.
777
:param argv: arguments to invoke bzr
778
:param retcode: expected return code, or None for don't-care.
779
:param encoding: encoding for sys.stdout and sys.stderr
780
:param stdin: A string to be used as stdin for the command.
783
encoding = bzrlib.user_encoding
784
if stdin is not None:
785
stdin = StringIO(stdin)
786
stdout = StringIOWrapper()
787
stderr = StringIOWrapper()
788
stdout.encoding = encoding
789
stderr.encoding = encoding
791
self.log('run bzr: %r', argv)
792
# FIXME: don't call into logging here
793
handler = logging.StreamHandler(stderr)
794
handler.setLevel(logging.INFO)
795
logger = logging.getLogger('')
796
logger.addHandler(handler)
797
old_ui_factory = bzrlib.ui.ui_factory
798
bzrlib.ui.ui_factory = bzrlib.tests.blackbox.TestUIFactory(
801
bzrlib.ui.ui_factory.stdin = stdin
803
result = self.apply_redirected(stdin, stdout, stderr,
804
bzrlib.commands.run_bzr_catch_errors,
807
logger.removeHandler(handler)
808
bzrlib.ui.ui_factory = old_ui_factory
810
out = stdout.getvalue()
811
err = stderr.getvalue()
813
self.log('output:\n%r', out)
815
self.log('errors:\n%r', err)
816
if retcode is not None:
817
self.assertEquals(retcode, result)
820
def run_bzr(self, *args, **kwargs):
821
"""Invoke bzr, as if it were run from the command line.
823
This should be the main method for tests that want to exercise the
824
overall behavior of the bzr application (rather than a unit test
825
or a functional test of the library.)
827
This sends the stdout/stderr results into the test's log,
828
where it may be useful for debugging. See also run_captured.
830
:param stdin: A string to be used as stdin for the command.
832
retcode = kwargs.pop('retcode', 0)
833
encoding = kwargs.pop('encoding', None)
834
stdin = kwargs.pop('stdin', None)
835
return self.run_bzr_captured(args, retcode=retcode, encoding=encoding, stdin=stdin)
837
def run_bzr_decode(self, *args, **kwargs):
838
if 'encoding' in kwargs:
839
encoding = kwargs['encoding']
841
encoding = bzrlib.user_encoding
842
return self.run_bzr(*args, **kwargs)[0].decode(encoding)
844
def run_bzr_error(self, error_regexes, *args, **kwargs):
845
"""Run bzr, and check that stderr contains the supplied regexes
847
:param error_regexes: Sequence of regular expressions which
848
must each be found in the error output. The relative ordering
850
:param args: command-line arguments for bzr
851
:param kwargs: Keyword arguments which are interpreted by run_bzr
852
This function changes the default value of retcode to be 3,
853
since in most cases this is run when you expect bzr to fail.
854
:return: (out, err) The actual output of running the command (in case you
855
want to do more inspection)
858
# Make sure that commit is failing because there is nothing to do
859
self.run_bzr_error(['no changes to commit'],
860
'commit', '-m', 'my commit comment')
861
# Make sure --strict is handling an unknown file, rather than
862
# giving us the 'nothing to do' error
863
self.build_tree(['unknown'])
864
self.run_bzr_error(['Commit refused because there are unknown files'],
865
'commit', '--strict', '-m', 'my commit comment')
867
kwargs.setdefault('retcode', 3)
868
out, err = self.run_bzr(*args, **kwargs)
869
for regex in error_regexes:
870
self.assertContainsRe(err, regex)
873
def run_bzr_subprocess(self, *args, **kwargs):
874
"""Run bzr in a subprocess for testing.
876
This starts a new Python interpreter and runs bzr in there.
877
This should only be used for tests that have a justifiable need for
878
this isolation: e.g. they are testing startup time, or signal
879
handling, or early startup code, etc. Subprocess code can't be
880
profiled or debugged so easily.
882
:param retcode: The status code that is expected. Defaults to 0. If
883
None is supplied, the status code is not checked.
884
:param env_changes: A dictionary which lists changes to environment
885
variables. A value of None will unset the env variable.
886
The values must be strings. The change will only occur in the
887
child, so you don't need to fix the environment after running.
888
:param universal_newlines: Convert CRLF => LF
890
env_changes = kwargs.get('env_changes', {})
891
process = self.start_bzr_subprocess(args, env_changes=env_changes)
892
# We distinguish between retcode=None and retcode not passed.
893
supplied_retcode = kwargs.get('retcode', 0)
894
return self.finish_bzr_subprocess(process, retcode=supplied_retcode,
895
universal_newlines=kwargs.get('universal_newlines', False),
898
def start_bzr_subprocess(self, process_args, env_changes=None,
899
skip_if_plan_to_signal=False):
900
"""Start bzr in a subprocess for testing.
902
This starts a new Python interpreter and runs bzr in there.
903
This should only be used for tests that have a justifiable need for
904
this isolation: e.g. they are testing startup time, or signal
905
handling, or early startup code, etc. Subprocess code can't be
906
profiled or debugged so easily.
908
:param process_args: a list of arguments to pass to the bzr executable,
909
for example `['--version']`.
910
:param env_changes: A dictionary which lists changes to environment
911
variables. A value of None will unset the env variable.
912
The values must be strings. The change will only occur in the
913
child, so you don't need to fix the environment after running.
914
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
917
:returns: Popen object for the started process.
919
if skip_if_plan_to_signal:
920
if not getattr(os, 'kill', None):
921
raise TestSkipped("os.kill not available.")
923
if env_changes is None:
927
def cleanup_environment():
928
for env_var, value in env_changes.iteritems():
929
old_env[env_var] = osutils.set_or_unset_env(env_var, value)
931
def restore_environment():
932
for env_var, value in old_env.iteritems():
933
osutils.set_or_unset_env(env_var, value)
935
bzr_path = self.get_bzr_path()
938
# win32 subprocess doesn't support preexec_fn
939
# so we will avoid using it on all platforms, just to
940
# make sure the code path is used, and we don't break on win32
941
cleanup_environment()
942
process = Popen([sys.executable, bzr_path] + list(process_args),
943
stdin=PIPE, stdout=PIPE, stderr=PIPE)
945
restore_environment()
948
def get_bzr_path(self):
949
"""Return the path of the 'bzr' executable for this test suite."""
950
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
951
if not os.path.isfile(bzr_path):
952
# We are probably installed. Assume sys.argv is the right file
953
bzr_path = sys.argv[0]
956
def finish_bzr_subprocess(self, process, retcode=0, send_signal=None,
957
universal_newlines=False, process_args=None):
958
"""Finish the execution of process.
960
:param process: the Popen object returned from start_bzr_subprocess.
961
:param retcode: The status code that is expected. Defaults to 0. If
962
None is supplied, the status code is not checked.
963
:param send_signal: an optional signal to send to the process.
964
:param universal_newlines: Convert CRLF => LF
965
:returns: (stdout, stderr)
967
if send_signal is not None:
968
os.kill(process.pid, send_signal)
969
out, err = process.communicate()
971
if universal_newlines:
972
out = out.replace('\r\n', '\n')
973
err = err.replace('\r\n', '\n')
975
if retcode is not None and retcode != process.returncode:
976
if process_args is None:
977
process_args = "(unknown args)"
978
mutter('Output of bzr %s:\n%s', process_args, out)
979
mutter('Error for bzr %s:\n%s', process_args, err)
980
self.fail('Command bzr %s failed with retcode %s != %s'
981
% (process_args, retcode, process.returncode))
984
def check_inventory_shape(self, inv, shape):
985
"""Compare an inventory to a list of expected names.
987
Fail if they are not precisely equal.
990
shape = list(shape) # copy
991
for path, ie in inv.entries():
992
name = path.replace('\\', '/')
1000
self.fail("expected paths not found in inventory: %r" % shape)
1002
self.fail("unexpected paths found in inventory: %r" % extras)
1004
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
1005
a_callable=None, *args, **kwargs):
1006
"""Call callable with redirected std io pipes.
1008
Returns the return code."""
1009
if not callable(a_callable):
1010
raise ValueError("a_callable must be callable.")
1012
stdin = StringIO("")
1014
if getattr(self, "_log_file", None) is not None:
1015
stdout = self._log_file
1019
if getattr(self, "_log_file", None is not None):
1020
stderr = self._log_file
1023
real_stdin = sys.stdin
1024
real_stdout = sys.stdout
1025
real_stderr = sys.stderr
1030
return a_callable(*args, **kwargs)
1032
sys.stdout = real_stdout
1033
sys.stderr = real_stderr
1034
sys.stdin = real_stdin
1036
@symbol_versioning.deprecated_method(symbol_versioning.zero_eleven)
1037
def merge(self, branch_from, wt_to):
1038
"""A helper for tests to do a ui-less merge.
1040
This should move to the main library when someone has time to integrate
1043
# minimal ui-less merge.
1044
wt_to.branch.fetch(branch_from)
1045
base_rev = common_ancestor(branch_from.last_revision(),
1046
wt_to.branch.last_revision(),
1047
wt_to.branch.repository)
1048
merge_inner(wt_to.branch, branch_from.basis_tree(),
1049
wt_to.branch.repository.revision_tree(base_rev),
1051
wt_to.add_parent_tree_id(branch_from.last_revision())
1054
BzrTestBase = TestCase
1057
class TestCaseInTempDir(TestCase):
1058
"""Derived class that runs a test within a temporary directory.
1060
This is useful for tests that need to create a branch, etc.
1062
The directory is created in a slightly complex way: for each
1063
Python invocation, a new temporary top-level directory is created.
1064
All test cases create their own directory within that. If the
1065
tests complete successfully, the directory is removed.
1067
InTempDir is an old alias for FunctionalTestCase.
1072
OVERRIDE_PYTHON = 'python'
1074
def check_file_contents(self, filename, expect):
1075
self.log("check contents of file %s" % filename)
1076
contents = file(filename, 'r').read()
1077
if contents != expect:
1078
self.log("expected: %r" % expect)
1079
self.log("actually: %r" % contents)
1080
self.fail("contents of %s not as expected" % filename)
1082
def _make_test_root(self):
1083
if TestCaseInTempDir.TEST_ROOT is not None:
1087
root = u'test%04d.tmp' % i
1091
if e.errno == errno.EEXIST:
1096
# successfully created
1097
TestCaseInTempDir.TEST_ROOT = osutils.abspath(root)
1099
# make a fake bzr directory there to prevent any tests propagating
1100
# up onto the source directory's real branch
1101
bzrdir.BzrDir.create_standalone_workingtree(TestCaseInTempDir.TEST_ROOT)
1104
super(TestCaseInTempDir, self).setUp()
1105
self._make_test_root()
1106
_currentdir = os.getcwdu()
1107
# shorten the name, to avoid test failures due to path length
1108
short_id = self.id().replace('bzrlib.tests.', '') \
1109
.replace('__main__.', '')[-100:]
1110
# it's possible the same test class is run several times for
1111
# parameterized tests, so make sure the names don't collide.
1115
candidate_dir = '%s/%s.%d' % (self.TEST_ROOT, short_id, i)
1117
candidate_dir = '%s/%s' % (self.TEST_ROOT, short_id)
1118
if os.path.exists(candidate_dir):
1122
os.mkdir(candidate_dir)
1123
self.test_home_dir = candidate_dir + '/home'
1124
os.mkdir(self.test_home_dir)
1125
self.test_dir = candidate_dir + '/work'
1126
os.mkdir(self.test_dir)
1127
os.chdir(self.test_dir)
1129
os.environ['HOME'] = self.test_home_dir
1130
os.environ['APPDATA'] = self.test_home_dir
1131
def _leaveDirectory():
1132
os.chdir(_currentdir)
1133
self.addCleanup(_leaveDirectory)
1135
def build_tree(self, shape, line_endings='native', transport=None):
1136
"""Build a test tree according to a pattern.
1138
shape is a sequence of file specifications. If the final
1139
character is '/', a directory is created.
1141
This assumes that all the elements in the tree being built are new.
1143
This doesn't add anything to a branch.
1144
:param line_endings: Either 'binary' or 'native'
1145
in binary mode, exact contents are written
1146
in native mode, the line endings match the
1147
default platform endings.
1149
:param transport: A transport to write to, for building trees on
1150
VFS's. If the transport is readonly or None,
1151
"." is opened automatically.
1153
# It's OK to just create them using forward slashes on windows.
1154
if transport is None or transport.is_readonly():
1155
transport = get_transport(".")
1157
self.assert_(isinstance(name, basestring))
1159
transport.mkdir(urlutils.escape(name[:-1]))
1161
if line_endings == 'binary':
1163
elif line_endings == 'native':
1166
raise errors.BzrError('Invalid line ending request %r' % (line_endings,))
1167
content = "contents of %s%s" % (name.encode('utf-8'), end)
1168
# Technically 'put()' is the right command. However, put
1169
# uses an AtomicFile, which requires an extra rename into place
1170
# As long as the files didn't exist in the past, append() will
1171
# do the same thing as put()
1172
# On jam's machine, make_kernel_like_tree is:
1173
# put: 4.5-7.5s (averaging 6s)
1175
# put_non_atomic: 2.9-4.5s
1176
transport.put_bytes_non_atomic(urlutils.escape(name), content)
1178
def build_tree_contents(self, shape):
1179
build_tree_contents(shape)
1181
def failUnlessExists(self, path):
1182
"""Fail unless path, which may be abs or relative, exists."""
1183
self.failUnless(osutils.lexists(path))
1185
def failIfExists(self, path):
1186
"""Fail if path, which may be abs or relative, exists."""
1187
self.failIf(osutils.lexists(path))
1189
def assertFileEqual(self, content, path):
1190
"""Fail if path does not contain 'content'."""
1191
self.failUnless(osutils.lexists(path))
1192
# TODO: jam 20060427 Shouldn't this be 'rb'?
1193
self.assertEqualDiff(content, open(path, 'r').read())
1196
class TestCaseWithTransport(TestCaseInTempDir):
1197
"""A test case that provides get_url and get_readonly_url facilities.
1199
These back onto two transport servers, one for readonly access and one for
1202
If no explicit class is provided for readonly access, a
1203
ReadonlyTransportDecorator is used instead which allows the use of non disk
1204
based read write transports.
1206
If an explicit class is provided for readonly access, that server and the
1207
readwrite one must both define get_url() as resolving to os.getcwd().
1210
def __init__(self, methodName='testMethod'):
1211
super(TestCaseWithTransport, self).__init__(methodName)
1212
self.__readonly_server = None
1213
self.__server = None
1214
self.transport_server = default_transport
1215
self.transport_readonly_server = None
1217
def get_readonly_url(self, relpath=None):
1218
"""Get a URL for the readonly transport.
1220
This will either be backed by '.' or a decorator to the transport
1221
used by self.get_url()
1222
relpath provides for clients to get a path relative to the base url.
1223
These should only be downwards relative, not upwards.
1225
base = self.get_readonly_server().get_url()
1226
if relpath is not None:
1227
if not base.endswith('/'):
1229
base = base + relpath
1232
def get_readonly_server(self):
1233
"""Get the server instance for the readonly transport
1235
This is useful for some tests with specific servers to do diagnostics.
1237
if self.__readonly_server is None:
1238
if self.transport_readonly_server is None:
1239
# readonly decorator requested
1240
# bring up the server
1242
self.__readonly_server = ReadonlyServer()
1243
self.__readonly_server.setUp(self.__server)
1245
self.__readonly_server = self.transport_readonly_server()
1246
self.__readonly_server.setUp()
1247
self.addCleanup(self.__readonly_server.tearDown)
1248
return self.__readonly_server
1250
def get_server(self):
1251
"""Get the read/write server instance.
1253
This is useful for some tests with specific servers that need
1256
if self.__server is None:
1257
self.__server = self.transport_server()
1258
self.__server.setUp()
1259
self.addCleanup(self.__server.tearDown)
1260
return self.__server
1262
def get_url(self, relpath=None):
1263
"""Get a URL (or maybe a path) for the readwrite transport.
1265
This will either be backed by '.' or to an equivalent non-file based
1267
relpath provides for clients to get a path relative to the base url.
1268
These should only be downwards relative, not upwards.
1270
base = self.get_server().get_url()
1271
if relpath is not None and relpath != '.':
1272
if not base.endswith('/'):
1274
# XXX: Really base should be a url; we did after all call
1275
# get_url()! But sometimes it's just a path (from
1276
# LocalAbspathServer), and it'd be wrong to append urlescaped data
1277
# to a non-escaped local path.
1278
if base.startswith('./') or base.startswith('/'):
1281
base += urlutils.escape(relpath)
1284
def get_transport(self):
1285
"""Return a writeable transport for the test scratch space"""
1286
t = get_transport(self.get_url())
1287
self.assertFalse(t.is_readonly())
1290
def get_readonly_transport(self):
1291
"""Return a readonly transport for the test scratch space
1293
This can be used to test that operations which should only need
1294
readonly access in fact do not try to write.
1296
t = get_transport(self.get_readonly_url())
1297
self.assertTrue(t.is_readonly())
1300
def make_branch(self, relpath, format=None):
1301
"""Create a branch on the transport at relpath."""
1302
repo = self.make_repository(relpath, format=format)
1303
return repo.bzrdir.create_branch()
1305
def make_bzrdir(self, relpath, format=None):
1307
# might be a relative or absolute path
1308
maybe_a_url = self.get_url(relpath)
1309
segments = maybe_a_url.rsplit('/', 1)
1310
t = get_transport(maybe_a_url)
1311
if len(segments) > 1 and segments[-1] not in ('', '.'):
1314
except errors.FileExists:
1317
format = bzrlib.bzrdir.BzrDirFormat.get_default_format()
1318
return format.initialize_on_transport(t)
1319
except errors.UninitializableFormat:
1320
raise TestSkipped("Format %s is not initializable." % format)
1322
def make_repository(self, relpath, shared=False, format=None):
1323
"""Create a repository on our default transport at relpath."""
1324
made_control = self.make_bzrdir(relpath, format=format)
1325
return made_control.create_repository(shared=shared)
1327
def make_branch_and_memory_tree(self, relpath):
1328
"""Create a branch on the default transport and a MemoryTree for it."""
1329
b = self.make_branch(relpath)
1330
return memorytree.MemoryTree.create_on_branch(b)
1332
def make_branch_and_tree(self, relpath, format=None):
1333
"""Create a branch on the transport and a tree locally.
1335
If the transport is not a LocalTransport, the Tree can't be created on
1336
the transport. In that case the working tree is created in the local
1337
directory, and the returned tree's branch and repository will also be
1340
This will fail if the original default transport for this test
1341
case wasn't backed by the working directory, as the branch won't
1342
be on disk for us to open it.
1344
:param format: The BzrDirFormat.
1345
:returns: the WorkingTree.
1347
# TODO: always use the local disk path for the working tree,
1348
# this obviously requires a format that supports branch references
1349
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
1351
b = self.make_branch(relpath, format=format)
1353
return b.bzrdir.create_workingtree()
1354
except errors.NotLocalUrl:
1355
# We can only make working trees locally at the moment. If the
1356
# transport can't support them, then reopen the branch on a local
1357
# transport, and create the working tree there.
1359
# Possibly we should instead keep
1360
# the non-disk-backed branch and create a local checkout?
1361
bd = bzrdir.BzrDir.open(relpath)
1362
return bd.create_workingtree()
1364
def assertIsDirectory(self, relpath, transport):
1365
"""Assert that relpath within transport is a directory.
1367
This may not be possible on all transports; in that case it propagates
1368
a TransportNotPossible.
1371
mode = transport.stat(relpath).st_mode
1372
except errors.NoSuchFile:
1373
self.fail("path %s is not a directory; no such file"
1375
if not stat.S_ISDIR(mode):
1376
self.fail("path %s is not a directory; has mode %#o"
1380
class ChrootedTestCase(TestCaseWithTransport):
1381
"""A support class that provides readonly urls outside the local namespace.
1383
This is done by checking if self.transport_server is a MemoryServer. if it
1384
is then we are chrooted already, if it is not then an HttpServer is used
1387
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
1388
be used without needed to redo it when a different
1389
subclass is in use ?
1393
super(ChrootedTestCase, self).setUp()
1394
if not self.transport_server == bzrlib.transport.memory.MemoryServer:
1395
self.transport_readonly_server = bzrlib.transport.http.HttpServer
1398
def filter_suite_by_re(suite, pattern):
1399
result = TestUtil.TestSuite()
1400
filter_re = re.compile(pattern)
1401
for test in iter_suite_tests(suite):
1402
if filter_re.search(test.id()):
1403
result.addTest(test)
1407
def run_suite(suite, name='test', verbose=False, pattern=".*",
1408
stop_on_failure=False, keep_output=False,
1409
transport=None, lsprof_timed=None, bench_history=None):
1410
TestCaseInTempDir._TEST_NAME = name
1411
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
1417
pb = progress.ProgressBar()
1418
runner = TextTestRunner(stream=sys.stdout,
1420
verbosity=verbosity,
1421
keep_output=keep_output,
1423
bench_history=bench_history)
1424
runner.stop_on_failure=stop_on_failure
1426
suite = filter_suite_by_re(suite, pattern)
1427
result = runner.run(suite)
1428
return result.wasSuccessful()
1431
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
1434
test_suite_factory=None,
1436
bench_history=None):
1437
"""Run the whole test suite under the enhanced runner"""
1438
# XXX: Very ugly way to do this...
1439
# Disable warning about old formats because we don't want it to disturb
1440
# any blackbox tests.
1441
from bzrlib import repository
1442
repository._deprecation_warning_done = True
1444
global default_transport
1445
if transport is None:
1446
transport = default_transport
1447
old_transport = default_transport
1448
default_transport = transport
1450
if test_suite_factory is None:
1451
suite = test_suite()
1453
suite = test_suite_factory()
1454
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
1455
stop_on_failure=stop_on_failure, keep_output=keep_output,
1456
transport=transport,
1457
lsprof_timed=lsprof_timed,
1458
bench_history=bench_history)
1460
default_transport = old_transport
1464
"""Build and return TestSuite for the whole of bzrlib.
1466
This function can be replaced if you need to change the default test
1467
suite on a global basis, but it is not encouraged.
1470
'bzrlib.tests.test_ancestry',
1471
'bzrlib.tests.test_api',
1472
'bzrlib.tests.test_atomicfile',
1473
'bzrlib.tests.test_bad_files',
1474
'bzrlib.tests.test_branch',
1475
'bzrlib.tests.test_bundle',
1476
'bzrlib.tests.test_bzrdir',
1477
'bzrlib.tests.test_cache_utf8',
1478
'bzrlib.tests.test_command',
1479
'bzrlib.tests.test_commit',
1480
'bzrlib.tests.test_commit_merge',
1481
'bzrlib.tests.test_config',
1482
'bzrlib.tests.test_conflicts',
1483
'bzrlib.tests.test_decorators',
1484
'bzrlib.tests.test_diff',
1485
'bzrlib.tests.test_doc_generate',
1486
'bzrlib.tests.test_errors',
1487
'bzrlib.tests.test_escaped_store',
1488
'bzrlib.tests.test_fetch',
1489
'bzrlib.tests.test_ftp_transport',
1490
'bzrlib.tests.test_gpg',
1491
'bzrlib.tests.test_graph',
1492
'bzrlib.tests.test_hashcache',
1493
'bzrlib.tests.test_http',
1494
'bzrlib.tests.test_http_response',
1495
'bzrlib.tests.test_identitymap',
1496
'bzrlib.tests.test_ignores',
1497
'bzrlib.tests.test_inv',
1498
'bzrlib.tests.test_knit',
1499
'bzrlib.tests.test_lazy_import',
1500
'bzrlib.tests.test_lockdir',
1501
'bzrlib.tests.test_lockable_files',
1502
'bzrlib.tests.test_log',
1503
'bzrlib.tests.test_memorytree',
1504
'bzrlib.tests.test_merge',
1505
'bzrlib.tests.test_merge3',
1506
'bzrlib.tests.test_merge_core',
1507
'bzrlib.tests.test_missing',
1508
'bzrlib.tests.test_msgeditor',
1509
'bzrlib.tests.test_nonascii',
1510
'bzrlib.tests.test_options',
1511
'bzrlib.tests.test_osutils',
1512
'bzrlib.tests.test_patch',
1513
'bzrlib.tests.test_patches',
1514
'bzrlib.tests.test_permissions',
1515
'bzrlib.tests.test_plugins',
1516
'bzrlib.tests.test_progress',
1517
'bzrlib.tests.test_reconcile',
1518
'bzrlib.tests.test_repository',
1519
'bzrlib.tests.test_revert',
1520
'bzrlib.tests.test_revision',
1521
'bzrlib.tests.test_revisionnamespaces',
1522
'bzrlib.tests.test_revisiontree',
1523
'bzrlib.tests.test_rio',
1524
'bzrlib.tests.test_sampler',
1525
'bzrlib.tests.test_selftest',
1526
'bzrlib.tests.test_setup',
1527
'bzrlib.tests.test_sftp_transport',
1528
'bzrlib.tests.test_smart_add',
1529
'bzrlib.tests.test_smart_transport',
1530
'bzrlib.tests.test_source',
1531
'bzrlib.tests.test_status',
1532
'bzrlib.tests.test_store',
1533
'bzrlib.tests.test_symbol_versioning',
1534
'bzrlib.tests.test_testament',
1535
'bzrlib.tests.test_textfile',
1536
'bzrlib.tests.test_textmerge',
1537
'bzrlib.tests.test_trace',
1538
'bzrlib.tests.test_transactions',
1539
'bzrlib.tests.test_transform',
1540
'bzrlib.tests.test_transport',
1541
'bzrlib.tests.test_tree',
1542
'bzrlib.tests.test_treebuilder',
1543
'bzrlib.tests.test_tsort',
1544
'bzrlib.tests.test_tuned_gzip',
1545
'bzrlib.tests.test_ui',
1546
'bzrlib.tests.test_upgrade',
1547
'bzrlib.tests.test_urlutils',
1548
'bzrlib.tests.test_versionedfile',
1549
'bzrlib.tests.test_version',
1550
'bzrlib.tests.test_weave',
1551
'bzrlib.tests.test_whitebox',
1552
'bzrlib.tests.test_workingtree',
1553
'bzrlib.tests.test_xml',
1555
test_transport_implementations = [
1556
'bzrlib.tests.test_transport_implementations',
1557
'bzrlib.tests.test_read_bundle',
1559
suite = TestUtil.TestSuite()
1560
loader = TestUtil.TestLoader()
1561
suite.addTest(loader.loadTestsFromModuleNames(testmod_names))
1562
from bzrlib.transport import TransportTestProviderAdapter
1563
adapter = TransportTestProviderAdapter()
1564
adapt_modules(test_transport_implementations, adapter, loader, suite)
1565
for package in packages_to_test():
1566
suite.addTest(package.test_suite())
1567
for m in MODULES_TO_TEST:
1568
suite.addTest(loader.loadTestsFromModule(m))
1569
for m in MODULES_TO_DOCTEST:
1570
suite.addTest(doctest.DocTestSuite(m))
1571
for name, plugin in bzrlib.plugin.all_plugins().items():
1572
if getattr(plugin, 'test_suite', None) is not None:
1573
suite.addTest(plugin.test_suite())
1577
def adapt_modules(mods_list, adapter, loader, suite):
1578
"""Adapt the modules in mods_list using adapter and add to suite."""
1579
for test in iter_suite_tests(loader.loadTestsFromModuleNames(mods_list)):
1580
suite.addTests(adapter.adapt(test))
added
removed
bzrlib/tests/__init__.py
