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# Copyright (C) 2005, 2006, 2007 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# TODO: Perhaps there should be an API to find out if bzr running under the
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# test suite -- some plugins might want to avoid making intrusive changes if
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# this is the case. However, we want behaviour under to test to diverge as
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# little as possible, so this should be used rarely if it's added at all.
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# (Suggestion from j-a-meinel, 2005-11-24)
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# NOTE: Some classes in here use camelCaseNaming() rather than
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# underscore_naming(). That's for consistency with unittest; it's not the
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# general style of bzrlib. Please continue that consistency when adding e.g.
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# new assertFoo() methods.
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from cStringIO import StringIO
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from pprint import pformat
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from subprocess import Popen, PIPE
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import bzrlib.commands
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import bzrlib.timestamp
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import bzrlib.inventory
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import bzrlib.iterablefile
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# lsprof not available
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from bzrlib.merge import merge_inner
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from bzrlib.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 LocalURLServer
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from bzrlib.transport.memory import MemoryServer
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from bzrlib.transport.readonly import ReadonlyServer
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from bzrlib.trace import mutter, note
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from bzrlib.tests import TestUtil
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from bzrlib.tests.HttpServer import HttpServer
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from bzrlib.tests.TestUtil import (
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from bzrlib.tests.treeshape import build_tree_contents
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from bzrlib.workingtree import WorkingTree, WorkingTreeFormat2
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default_transport = LocalURLServer
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MODULES_TO_DOCTEST = [
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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.per_lock
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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.per_lock,
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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 ExtendedTestResult(unittest._TextTestResult):
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"""Accepts, reports and accumulates the results of running tests.
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Compared to this unittest version this class adds support for profiling,
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benchmarking, stopping as soon as a test fails, and skipping tests.
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There are further-specialized subclasses for different types of display.
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def __init__(self, stream, descriptions, verbosity,
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use_numbered_dirs=False,
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"""Construct new TestResult.
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:param bench_history: Optionally, a writable file object to accumulate
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unittest._TextTestResult.__init__(self, stream, descriptions, verbosity)
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if bench_history is not None:
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from bzrlib.version import _get_bzr_source_tree
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src_tree = _get_bzr_source_tree()
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revision_id = src_tree.get_parent_ids()[0]
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# XXX: if this is a brand new tree, do the same as if there
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# XXX: If there's no branch, what should we do?
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bench_history.write("--date %s %s\n" % (time.time(), revision_id))
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self._bench_history = bench_history
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self.ui = ui.ui_factory
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self.num_tests = num_tests
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self.failure_count = 0
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self.known_failure_count = 0
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self.unsupported = {}
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self.use_numbered_dirs = use_numbered_dirs
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self._overall_start_time = time.time()
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def extractBenchmarkTime(self, testCase):
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"""Add a benchmark time for the current test case."""
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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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# some benchmarks can take thousands of seconds to run, so we need 8
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return "%8dms" % (1000 * seconds)
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def _shortened_test_description(self, test):
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what = re.sub(r'^bzrlib\.(tests|benchmarks)\.', '', what)
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def startTest(self, test):
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unittest.TestResult.startTest(self, test)
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self.report_test_start(test)
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test.number = self.count
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self._recordTestStartTime()
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def _recordTestStartTime(self):
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"""Record that a test has started."""
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self._start_time = time.time()
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def _cleanupLogFile(self, test):
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# We can only do this if we have one of our TestCases, not if
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setKeepLogfile = getattr(test, 'setKeepLogfile', None)
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if setKeepLogfile is not None:
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def addError(self, test, err):
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self.extractBenchmarkTime(test)
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self._cleanupLogFile(test)
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if isinstance(err[1], TestSkipped):
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return self.addSkipped(test, err)
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elif isinstance(err[1], UnavailableFeature):
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return self.addNotSupported(test, err[1].args[0])
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unittest.TestResult.addError(self, test, err)
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self.error_count += 1
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self.report_error(test, err)
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def addFailure(self, test, err):
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self._cleanupLogFile(test)
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self.extractBenchmarkTime(test)
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if isinstance(err[1], KnownFailure):
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return self.addKnownFailure(test, err)
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unittest.TestResult.addFailure(self, test, err)
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self.failure_count += 1
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self.report_failure(test, err)
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def addKnownFailure(self, test, err):
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self.known_failure_count += 1
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self.report_known_failure(test, err)
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def addNotSupported(self, test, feature):
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self.unsupported.setdefault(str(feature), 0)
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self.unsupported[str(feature)] += 1
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self.report_unsupported(test, feature)
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def 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.report_success(test)
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unittest.TestResult.addSuccess(self, test)
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def addSkipped(self, test, skip_excinfo):
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self.report_skip(test, skip_excinfo)
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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.write("%s: " % flavour)
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if self.use_numbered_dirs:
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self.stream.write('#%d ' % test.number)
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self.stream.writeln(self.getDescription(test))
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if getattr(test, '_get_log', None) is not None:
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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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def report_cleaning_up(self):
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def report_success(self, test):
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class TextTestResult(ExtendedTestResult):
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"""Displays progress and results of tests in text form"""
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def __init__(self, stream, descriptions, verbosity,
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use_numbered_dirs=False,
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ExtendedTestResult.__init__(self, stream, descriptions, verbosity,
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bench_history, num_tests, use_numbered_dirs)
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self.pb = self.ui.nested_progress_bar()
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self._supplied_pb = False
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self._supplied_pb = True
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self.pb.show_pct = False
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self.pb.show_spinner = False
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self.pb.show_eta = False,
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self.pb.show_count = False
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self.pb.show_bar = False
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def report_starting(self):
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self.pb.update('[test 0/%d] starting...' % (self.num_tests))
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def _progress_prefix_text(self):
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a = '[%d' % self.count
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if self.num_tests is not None:
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a +='/%d' % self.num_tests
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a += ' in %ds' % (time.time() - self._overall_start_time)
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a += ', %d errors' % self.error_count
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if self.failure_count:
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a += ', %d failed' % self.failure_count
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if self.known_failure_count:
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a += ', %d known failures' % self.known_failure_count
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a += ', %d skipped' % self.skip_count
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a += ', %d missing features' % len(self.unsupported)
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def report_test_start(self, test):
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self._progress_prefix_text()
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+ self._shortened_test_description(test))
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def _test_description(self, test):
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if self.use_numbered_dirs:
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return '#%d %s' % (self.count,
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self._shortened_test_description(test))
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return self._shortened_test_description(test)
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def report_error(self, test, err):
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self.pb.note('ERROR: %s\n %s\n',
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self._test_description(test),
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def report_failure(self, test, err):
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self.pb.note('FAIL: %s\n %s\n',
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self._test_description(test),
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def report_known_failure(self, test, err):
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self.pb.note('XFAIL: %s\n%s\n',
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self._test_description(test), err[1])
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def report_skip(self, test, skip_excinfo):
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# at the moment these are mostly not things we can fix
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# and so they just produce stipple; use the verbose reporter
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# show test and reason for skip
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self.pb.note('SKIP: %s\n %s\n',
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self._shortened_test_description(test),
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# since the class name was left behind in the still-visible
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self.pb.note('SKIP: %s', skip_excinfo[1])
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def report_unsupported(self, test, feature):
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"""test cannot be run because feature is missing."""
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def report_cleaning_up(self):
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self.pb.update('cleaning up...')
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if not self._supplied_pb:
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class VerboseTestResult(ExtendedTestResult):
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"""Produce long output, with one line per test run plus times"""
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def _ellipsize_to_right(self, a_string, final_width):
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"""Truncate and pad a string, keeping the right hand side"""
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if len(a_string) > final_width:
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result = '...' + a_string[3-final_width:]
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return result.ljust(final_width)
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def report_starting(self):
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self.stream.write('running %d tests...\n' % self.num_tests)
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def report_test_start(self, test):
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name = self._shortened_test_description(test)
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# width needs space for 6 char status, plus 1 for slash, plus 2 10-char
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# numbers, plus a trailing blank
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# when NUMBERED_DIRS: plus 5 chars on test number, plus 1 char on space
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if self.use_numbered_dirs:
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self.stream.write('%5d ' % self.count)
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self.stream.write(self._ellipsize_to_right(name,
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osutils.terminal_width()-36))
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self.stream.write(self._ellipsize_to_right(name,
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osutils.terminal_width()-30))
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def _error_summary(self, err):
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if self.use_numbered_dirs:
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return '%s%s' % (indent, err[1])
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def report_error(self, test, err):
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self.stream.writeln('ERROR %s\n%s'
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% (self._testTimeString(),
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self._error_summary(err)))
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def report_failure(self, test, err):
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self.stream.writeln(' FAIL %s\n%s'
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% (self._testTimeString(),
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self._error_summary(err)))
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def report_known_failure(self, test, err):
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self.stream.writeln('XFAIL %s\n%s'
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% (self._testTimeString(),
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self._error_summary(err)))
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def report_success(self, test):
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self.stream.writeln(' OK %s' % self._testTimeString())
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for bench_called, stats in getattr(test, '_benchcalls', []):
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self.stream.writeln('LSProf output for %s(%s, %s)' % bench_called)
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stats.pprint(file=self.stream)
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# flush the stream so that we get smooth output. This verbose mode is
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# used to show the output in PQM.
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def report_skip(self, test, skip_excinfo):
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self.stream.writeln(' SKIP %s\n%s'
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% (self._testTimeString(),
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self._error_summary(skip_excinfo)))
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def report_unsupported(self, test, feature):
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"""test cannot be run because feature is missing."""
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self.stream.writeln("NODEP %s\n The feature '%s' is not available."
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%(self._testTimeString(), feature))
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class TextTestRunner(object):
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stop_on_failure = False
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use_numbered_dirs=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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self.use_numbered_dirs = use_numbered_dirs
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"Run the given test case or test suite."
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startTime = time.time()
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if self.verbosity == 1:
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result_class = TextTestResult
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elif self.verbosity >= 2:
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result_class = VerboseTestResult
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result = result_class(self.stream,
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bench_history=self._bench_history,
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num_tests=test.countTestCases(),
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use_numbered_dirs=self.use_numbered_dirs,
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result.stop_early = self.stop_on_failure
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result.report_starting()
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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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if result.known_failure_count:
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if failed or errored: self.stream.write(", ")
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self.stream.write("known_failure_count=%d" %
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result.known_failure_count)
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self.stream.writeln(")")
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if result.known_failure_count:
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self.stream.writeln("OK (known_failures=%d)" %
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result.known_failure_count)
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self.stream.writeln("OK")
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if result.skip_count > 0:
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skipped = result.skip_count
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self.stream.writeln('%d test%s skipped' %
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(skipped, skipped != 1 and "s" or ""))
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if result.unsupported:
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for feature, count in sorted(result.unsupported.items()):
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self.stream.writeln("Missing feature '%s' skipped %d tests." %
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result.report_cleaning_up()
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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 = TestCaseWithMemoryTransport.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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_rmtree_temp_dir(test_root)
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note("Failed tests working directories are in '%s'\n", test_root)
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TestCaseWithMemoryTransport.TEST_ROOT = 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 KnownFailure(AssertionError):
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"""Indicates that a test failed in a precisely expected manner.
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Such failures dont block the whole test suite from passing because they are
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indicators of partially completed code or of future work. We have an
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explicit error for them so that we can ensure that they are always visible:
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KnownFailures are always shown in the output of bzr selftest.
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class UnavailableFeature(Exception):
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"""A feature required for this test was not available.
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The feature should be used to construct the exception.
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class CommandFailed(Exception):
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class StringIOWrapper(object):
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"""A wrapper around cStringIO which just adds an encoding attribute.
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Internally we can check sys.stdout to see what the output encoding
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should be. However, cStringIO has no encoding attribute that we can
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set. So we wrap it instead.
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def __init__(self, s=None):
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self.__dict__['_cstring'] = StringIO(s)
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self.__dict__['_cstring'] = StringIO()
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def __getattr__(self, name, getattr=getattr):
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return getattr(self.__dict__['_cstring'], name)
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def __setattr__(self, name, val):
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if name == 'encoding':
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self.__dict__['encoding'] = val
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return setattr(self._cstring, name, val)
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class TestUIFactory(ui.CLIUIFactory):
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"""A UI Factory for testing.
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Hide the progress bar but emit note()s.
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Allows get_password to be tested without real tty attached.
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super(TestUIFactory, self).__init__()
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if stdin is not None:
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# We use a StringIOWrapper to be able to test various
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# encodings, but the user is still responsible to
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# encode the string and to set the encoding attribute
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# of StringIOWrapper.
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self.stdin = StringIOWrapper(stdin)
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self.stdout = sys.stdout
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self.stderr = sys.stderr
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"""See progress.ProgressBar.clear()."""
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def clear_term(self):
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"""See progress.ProgressBar.clear_term()."""
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def clear_term(self):
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"""See progress.ProgressBar.clear_term()."""
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"""See progress.ProgressBar.finished()."""
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def note(self, fmt_string, *args, **kwargs):
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"""See progress.ProgressBar.note()."""
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self.stdout.write((fmt_string + "\n") % args)
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def progress_bar(self):
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def nested_progress_bar(self):
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def update(self, message, count=None, total=None):
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"""See progress.ProgressBar.update()."""
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def get_non_echoed_password(self, prompt):
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"""Get password from stdin without trying to handle the echo mode"""
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self.stdout.write(prompt)
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password = self.stdin.readline()
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if password[-1] == '\n':
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password = password[:-1]
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class TestCase(unittest.TestCase):
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"""Base class for bzr unit tests.
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Tests that need access to disk resources should subclass
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TestCaseInTempDir not TestCase.
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Error and debug log messages are redirected from their usual
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location into a temporary file, the contents of which can be
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retrieved by _get_log(). We use a real OS file, not an in-memory object,
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so that it can also capture file IO. When the test completes this file
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is read into memory and removed from disk.
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There are also convenience functions to invoke bzr's command-line
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routine, and to build and check bzr trees.
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In addition to the usual method of overriding tearDown(), this class also
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allows subclasses to register functions into the _cleanups list, which is
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run in order as the object is torn down. It's less likely this will be
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accidentally overlooked.
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_log_file_name = None
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_keep_log_file = False
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# record lsprof data when performing benchmark calls.
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_gather_lsprof_in_benchmarks = False
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def __init__(self, methodName='testMethod'):
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super(TestCase, self).__init__(methodName)
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unittest.TestCase.setUp(self)
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self._cleanEnvironment()
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bzrlib.trace.disable_default_logging()
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self._benchcalls = []
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self._benchtime = None
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def _clear_hooks(self):
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# prevent hooks affecting tests
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import bzrlib.smart.server
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self._preserved_hooks = {
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bzrlib.branch.Branch: bzrlib.branch.Branch.hooks,
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bzrlib.smart.server.SmartTCPServer: bzrlib.smart.server.SmartTCPServer.hooks,
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self.addCleanup(self._restoreHooks)
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# this list of hooks must be kept in sync with the defaults
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bzrlib.branch.Branch.hooks = bzrlib.branch.BranchHooks()
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bzrlib.smart.server.SmartTCPServer.hooks = \
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bzrlib.smart.server.SmartServerHooks()
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def _silenceUI(self):
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"""Turn off UI for duration of test"""
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# by default the UI is off; tests can turn it on if they want it.
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saved = ui.ui_factory
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ui.ui_factory = saved
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ui.ui_factory = ui.SilentUIFactory()
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self.addCleanup(_restore)
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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 assertEqual(self, a, b, message=''):
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except UnicodeError, e:
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# If we can't compare without getting a UnicodeError, then
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# obviously they are different
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mutter('UnicodeError: %s', e)
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raise AssertionError("%snot equal:\na = %s\nb = %s\n"
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pformat(a, indent=4), pformat(b, indent=4)))
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assertEquals = assertEqual
811
def assertEqualDiff(self, a, b, message=None):
812
"""Assert two texts are equal, if not raise an exception.
814
This is intended for use with multi-line strings where it can
815
be hard to find the differences by eye.
817
# TODO: perhaps override assertEquals to call this for strings?
821
message = "texts not equal:\n"
822
raise AssertionError(message +
823
self._ndiff_strings(a, b))
825
def assertEqualMode(self, mode, mode_test):
826
self.assertEqual(mode, mode_test,
827
'mode mismatch %o != %o' % (mode, mode_test))
829
def assertStartsWith(self, s, prefix):
830
if not s.startswith(prefix):
831
raise AssertionError('string %r does not start with %r' % (s, prefix))
833
def assertEndsWith(self, s, suffix):
834
"""Asserts that s ends with suffix."""
835
if not s.endswith(suffix):
836
raise AssertionError('string %r does not end with %r' % (s, suffix))
838
def assertContainsRe(self, haystack, needle_re):
839
"""Assert that a contains something matching a regular expression."""
840
if not re.search(needle_re, haystack):
841
raise AssertionError('pattern "%r" not found in "%r"'
842
% (needle_re, haystack))
844
def assertNotContainsRe(self, haystack, needle_re):
845
"""Assert that a does not match a regular expression"""
846
if re.search(needle_re, haystack):
847
raise AssertionError('pattern "%s" found in "%s"'
848
% (needle_re, haystack))
850
def assertSubset(self, sublist, superlist):
851
"""Assert that every entry in sublist is present in superlist."""
853
for entry in sublist:
854
if entry not in superlist:
855
missing.append(entry)
857
raise AssertionError("value(s) %r not present in container %r" %
858
(missing, superlist))
860
def assertListRaises(self, excClass, func, *args, **kwargs):
861
"""Fail unless excClass is raised when the iterator from func is used.
863
Many functions can return generators this makes sure
864
to wrap them in a list() call to make sure the whole generator
865
is run, and that the proper exception is raised.
868
list(func(*args, **kwargs))
872
if getattr(excClass,'__name__', None) is not None:
873
excName = excClass.__name__
875
excName = str(excClass)
876
raise self.failureException, "%s not raised" % excName
878
def assertRaises(self, excClass, func, *args, **kwargs):
879
"""Assert that a callable raises a particular exception.
881
:param excClass: As for the except statement, this may be either an
882
exception class, or a tuple of classes.
884
Returns the exception so that you can examine it.
887
func(*args, **kwargs)
891
if getattr(excClass,'__name__', None) is not None:
892
excName = excClass.__name__
895
excName = str(excClass)
896
raise self.failureException, "%s not raised" % excName
898
def assertIs(self, left, right, message=None):
899
if not (left is right):
900
if message is not None:
901
raise AssertionError(message)
903
raise AssertionError("%r is not %r." % (left, right))
905
def assertIsNot(self, left, right, message=None):
907
if message is not None:
908
raise AssertionError(message)
910
raise AssertionError("%r is %r." % (left, right))
912
def assertTransportMode(self, transport, path, mode):
913
"""Fail if a path does not have mode mode.
915
If modes are not supported on this transport, the assertion is ignored.
917
if not transport._can_roundtrip_unix_modebits():
919
path_stat = transport.stat(path)
920
actual_mode = stat.S_IMODE(path_stat.st_mode)
921
self.assertEqual(mode, actual_mode,
922
'mode of %r incorrect (%o != %o)' % (path, mode, actual_mode))
924
def assertIsInstance(self, obj, kls):
925
"""Fail if obj is not an instance of kls"""
926
if not isinstance(obj, kls):
927
self.fail("%r is an instance of %s rather than %s" % (
928
obj, obj.__class__, kls))
930
def expectFailure(self, reason, assertion, *args, **kwargs):
931
"""Invoke a test, expecting it to fail for the given reason.
933
This is for assertions that ought to succeed, but currently fail.
934
(The failure is *expected* but not *wanted*.) Please be very precise
935
about the failure you're expecting. If a new bug is introduced,
936
AssertionError should be raised, not KnownFailure.
938
Frequently, expectFailure should be followed by an opposite assertion.
941
Intended to be used with a callable that raises AssertionError as the
942
'assertion' parameter. args and kwargs are passed to the 'assertion'.
944
Raises KnownFailure if the test fails. Raises AssertionError if the
949
self.expectFailure('Math is broken', self.assertNotEqual, 54,
951
self.assertEqual(42, dynamic_val)
953
This means that a dynamic_val of 54 will cause the test to raise
954
a KnownFailure. Once math is fixed and the expectFailure is removed,
955
only a dynamic_val of 42 will allow the test to pass. Anything other
956
than 54 or 42 will cause an AssertionError.
959
assertion(*args, **kwargs)
960
except AssertionError:
961
raise KnownFailure(reason)
963
self.fail('Unexpected success. Should have failed: %s' % reason)
965
def _capture_warnings(self, a_callable, *args, **kwargs):
966
"""A helper for callDeprecated and applyDeprecated.
968
:param a_callable: A callable to call.
969
:param args: The positional arguments for the callable
970
:param kwargs: The keyword arguments for the callable
971
:return: A tuple (warnings, result). result is the result of calling
972
a_callable(*args, **kwargs).
975
def capture_warnings(msg, cls=None, stacklevel=None):
976
# we've hooked into a deprecation specific callpath,
977
# only deprecations should getting sent via it.
978
self.assertEqual(cls, DeprecationWarning)
979
local_warnings.append(msg)
980
original_warning_method = symbol_versioning.warn
981
symbol_versioning.set_warning_method(capture_warnings)
983
result = a_callable(*args, **kwargs)
985
symbol_versioning.set_warning_method(original_warning_method)
986
return (local_warnings, result)
988
def applyDeprecated(self, deprecation_format, a_callable, *args, **kwargs):
989
"""Call a deprecated callable without warning the user.
991
:param deprecation_format: The deprecation format that the callable
992
should have been deprecated with. This is the same type as the
993
parameter to deprecated_method/deprecated_function. If the
994
callable is not deprecated with this format, an assertion error
996
:param a_callable: A callable to call. This may be a bound method or
997
a regular function. It will be called with *args and **kwargs.
998
:param args: The positional arguments for the callable
999
:param kwargs: The keyword arguments for the callable
1000
:return: The result of a_callable(*args, **kwargs)
1002
call_warnings, result = self._capture_warnings(a_callable,
1004
expected_first_warning = symbol_versioning.deprecation_string(
1005
a_callable, deprecation_format)
1006
if len(call_warnings) == 0:
1007
self.fail("No deprecation warning generated by call to %s" %
1009
self.assertEqual(expected_first_warning, call_warnings[0])
1012
def callDeprecated(self, expected, callable, *args, **kwargs):
1013
"""Assert that a callable is deprecated in a particular way.
1015
This is a very precise test for unusual requirements. The
1016
applyDeprecated helper function is probably more suited for most tests
1017
as it allows you to simply specify the deprecation format being used
1018
and will ensure that that is issued for the function being called.
1020
:param expected: a list of the deprecation warnings expected, in order
1021
:param callable: The callable to call
1022
:param args: The positional arguments for the callable
1023
:param kwargs: The keyword arguments for the callable
1025
call_warnings, result = self._capture_warnings(callable,
1027
self.assertEqual(expected, call_warnings)
1030
def _startLogFile(self):
1031
"""Send bzr and test log messages to a temporary file.
1033
The file is removed as the test is torn down.
1035
fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
1036
self._log_file = os.fdopen(fileno, 'w+')
1037
self._log_nonce = bzrlib.trace.enable_test_log(self._log_file)
1038
self._log_file_name = name
1039
self.addCleanup(self._finishLogFile)
1041
def _finishLogFile(self):
1042
"""Finished with the log file.
1044
Close the file and delete it, unless setKeepLogfile was called.
1046
if self._log_file is None:
1048
bzrlib.trace.disable_test_log(self._log_nonce)
1049
self._log_file.close()
1050
self._log_file = None
1051
if not self._keep_log_file:
1052
os.remove(self._log_file_name)
1053
self._log_file_name = None
1055
def setKeepLogfile(self):
1056
"""Make the logfile not be deleted when _finishLogFile is called."""
1057
self._keep_log_file = True
1059
def addCleanup(self, callable):
1060
"""Arrange to run a callable when this case is torn down.
1062
Callables are run in the reverse of the order they are registered,
1063
ie last-in first-out.
1065
if callable in self._cleanups:
1066
raise ValueError("cleanup function %r already registered on %s"
1068
self._cleanups.append(callable)
1070
def _cleanEnvironment(self):
1072
'BZR_HOME': None, # Don't inherit BZR_HOME to all the tests.
1073
'HOME': os.getcwd(),
1074
'APPDATA': None, # bzr now use Win32 API and don't rely on APPDATA
1076
'BZREMAIL': None, # may still be present in the environment
1078
'BZR_PROGRESS_BAR': None,
1082
'https_proxy': None,
1083
'HTTPS_PROXY': None,
1088
# Nobody cares about these ones AFAIK. So far at
1089
# least. If you do (care), please update this comment
1095
self.addCleanup(self._restoreEnvironment)
1096
for name, value in new_env.iteritems():
1097
self._captureVar(name, value)
1099
def _captureVar(self, name, newvalue):
1100
"""Set an environment variable, and reset it when finished."""
1101
self.__old_env[name] = osutils.set_or_unset_env(name, newvalue)
1103
def _restoreEnvironment(self):
1104
for name, value in self.__old_env.iteritems():
1105
osutils.set_or_unset_env(name, value)
1107
def _restoreHooks(self):
1108
for klass, hooks in self._preserved_hooks.items():
1109
setattr(klass, 'hooks', hooks)
1111
def knownFailure(self, reason):
1112
"""This test has failed for some known reason."""
1113
raise KnownFailure(reason)
1115
def run(self, result=None):
1116
if result is None: result = self.defaultTestResult()
1117
for feature in getattr(self, '_test_needs_features', []):
1118
if not feature.available():
1119
result.startTest(self)
1120
if getattr(result, 'addNotSupported', None):
1121
result.addNotSupported(self, feature)
1123
result.addSuccess(self)
1124
result.stopTest(self)
1126
return unittest.TestCase.run(self, result)
1130
unittest.TestCase.tearDown(self)
1132
def time(self, callable, *args, **kwargs):
1133
"""Run callable and accrue the time it takes to the benchmark time.
1135
If lsprofiling is enabled (i.e. by --lsprof-time to bzr selftest) then
1136
this will cause lsprofile statistics to be gathered and stored in
1139
if self._benchtime is None:
1143
if not self._gather_lsprof_in_benchmarks:
1144
return callable(*args, **kwargs)
1146
# record this benchmark
1147
ret, stats = bzrlib.lsprof.profile(callable, *args, **kwargs)
1149
self._benchcalls.append(((callable, args, kwargs), stats))
1152
self._benchtime += time.time() - start
1154
def _runCleanups(self):
1155
"""Run registered cleanup functions.
1157
This should only be called from TestCase.tearDown.
1159
# TODO: Perhaps this should keep running cleanups even if
1160
# one of them fails?
1162
# Actually pop the cleanups from the list so tearDown running
1163
# twice is safe (this happens for skipped tests).
1164
while self._cleanups:
1165
self._cleanups.pop()()
1167
def log(self, *args):
1170
def _get_log(self, keep_log_file=False):
1171
"""Return as a string the log for this test. If the file is still
1172
on disk and keep_log_file=False, delete the log file and store the
1173
content in self._log_contents."""
1174
# flush the log file, to get all content
1176
bzrlib.trace._trace_file.flush()
1177
if self._log_contents:
1178
return self._log_contents
1179
if self._log_file_name is not None:
1180
logfile = open(self._log_file_name)
1182
log_contents = logfile.read()
1185
if not keep_log_file:
1186
self._log_contents = log_contents
1188
os.remove(self._log_file_name)
1190
if sys.platform == 'win32' and e.errno == errno.EACCES:
1191
print >>sys.stderr, ('Unable to delete log file '
1192
' %r' % self._log_file_name)
1197
return "DELETED log file to reduce memory footprint"
1199
def capture(self, cmd, retcode=0):
1200
"""Shortcut that splits cmd into words, runs, and returns stdout"""
1201
return self.run_bzr_captured(cmd.split(), retcode=retcode)[0]
1203
def requireFeature(self, feature):
1204
"""This test requires a specific feature is available.
1206
:raises UnavailableFeature: When feature is not available.
1208
if not feature.available():
1209
raise UnavailableFeature(feature)
1211
def run_bzr_captured(self, argv, retcode=0, encoding=None, stdin=None,
1213
"""Invoke bzr and return (stdout, stderr).
1215
Useful for code that wants to check the contents of the
1216
output, the way error messages are presented, etc.
1218
This should be the main method for tests that want to exercise the
1219
overall behavior of the bzr application (rather than a unit test
1220
or a functional test of the library.)
1222
Much of the old code runs bzr by forking a new copy of Python, but
1223
that is slower, harder to debug, and generally not necessary.
1225
This runs bzr through the interface that catches and reports
1226
errors, and with logging set to something approximating the
1227
default, so that error reporting can be checked.
1229
:param argv: arguments to invoke bzr
1230
:param retcode: expected return code, or None for don't-care.
1231
:param encoding: encoding for sys.stdout and sys.stderr
1232
:param stdin: A string to be used as stdin for the command.
1233
:param working_dir: Change to this directory before running
1235
if encoding is None:
1236
encoding = bzrlib.user_encoding
1237
stdout = StringIOWrapper()
1238
stderr = StringIOWrapper()
1239
stdout.encoding = encoding
1240
stderr.encoding = encoding
1242
self.log('run bzr: %r', argv)
1243
# FIXME: don't call into logging here
1244
handler = logging.StreamHandler(stderr)
1245
handler.setLevel(logging.INFO)
1246
logger = logging.getLogger('')
1247
logger.addHandler(handler)
1248
old_ui_factory = ui.ui_factory
1249
ui.ui_factory = TestUIFactory(stdin=stdin, stdout=stdout, stderr=stderr)
1252
if working_dir is not None:
1253
cwd = osutils.getcwd()
1254
os.chdir(working_dir)
1257
saved_debug_flags = frozenset(debug.debug_flags)
1258
debug.debug_flags.clear()
1260
result = self.apply_redirected(ui.ui_factory.stdin,
1262
bzrlib.commands.run_bzr_catch_errors,
1265
debug.debug_flags.update(saved_debug_flags)
1267
logger.removeHandler(handler)
1268
ui.ui_factory = old_ui_factory
1272
out = stdout.getvalue()
1273
err = stderr.getvalue()
1275
self.log('output:\n%r', out)
1277
self.log('errors:\n%r', err)
1278
if retcode is not None:
1279
self.assertEquals(retcode, result)
1282
def run_bzr(self, *args, **kwargs):
1283
"""Invoke bzr, as if it were run from the command line.
1285
This should be the main method for tests that want to exercise the
1286
overall behavior of the bzr application (rather than a unit test
1287
or a functional test of the library.)
1289
This sends the stdout/stderr results into the test's log,
1290
where it may be useful for debugging. See also run_captured.
1292
:param stdin: A string to be used as stdin for the command.
1293
:param retcode: The status code the command should return
1294
:param working_dir: The directory to run the command in
1296
retcode = kwargs.pop('retcode', 0)
1297
encoding = kwargs.pop('encoding', None)
1298
stdin = kwargs.pop('stdin', None)
1299
working_dir = kwargs.pop('working_dir', None)
1300
return self.run_bzr_captured(args, retcode=retcode, encoding=encoding,
1301
stdin=stdin, working_dir=working_dir)
1303
def run_bzr_decode(self, *args, **kwargs):
1304
if 'encoding' in kwargs:
1305
encoding = kwargs['encoding']
1307
encoding = bzrlib.user_encoding
1308
return self.run_bzr(*args, **kwargs)[0].decode(encoding)
1310
def run_bzr_error(self, error_regexes, *args, **kwargs):
1311
"""Run bzr, and check that stderr contains the supplied regexes
1313
:param error_regexes: Sequence of regular expressions which
1314
must each be found in the error output. The relative ordering
1316
:param args: command-line arguments for bzr
1317
:param kwargs: Keyword arguments which are interpreted by run_bzr
1318
This function changes the default value of retcode to be 3,
1319
since in most cases this is run when you expect bzr to fail.
1320
:return: (out, err) The actual output of running the command (in case you
1321
want to do more inspection)
1324
# Make sure that commit is failing because there is nothing to do
1325
self.run_bzr_error(['no changes to commit'],
1326
'commit', '-m', 'my commit comment')
1327
# Make sure --strict is handling an unknown file, rather than
1328
# giving us the 'nothing to do' error
1329
self.build_tree(['unknown'])
1330
self.run_bzr_error(['Commit refused because there are unknown files'],
1331
'commit', '--strict', '-m', 'my commit comment')
1333
kwargs.setdefault('retcode', 3)
1334
out, err = self.run_bzr(*args, **kwargs)
1335
for regex in error_regexes:
1336
self.assertContainsRe(err, regex)
1339
def run_bzr_subprocess(self, *args, **kwargs):
1340
"""Run bzr in a subprocess for testing.
1342
This starts a new Python interpreter and runs bzr in there.
1343
This should only be used for tests that have a justifiable need for
1344
this isolation: e.g. they are testing startup time, or signal
1345
handling, or early startup code, etc. Subprocess code can't be
1346
profiled or debugged so easily.
1348
:param retcode: The status code that is expected. Defaults to 0. If
1349
None is supplied, the status code is not checked.
1350
:param env_changes: A dictionary which lists changes to environment
1351
variables. A value of None will unset the env variable.
1352
The values must be strings. The change will only occur in the
1353
child, so you don't need to fix the environment after running.
1354
:param universal_newlines: Convert CRLF => LF
1355
:param allow_plugins: By default the subprocess is run with
1356
--no-plugins to ensure test reproducibility. Also, it is possible
1357
for system-wide plugins to create unexpected output on stderr,
1358
which can cause unnecessary test failures.
1360
env_changes = kwargs.get('env_changes', {})
1361
working_dir = kwargs.get('working_dir', None)
1362
allow_plugins = kwargs.get('allow_plugins', False)
1363
process = self.start_bzr_subprocess(args, env_changes=env_changes,
1364
working_dir=working_dir,
1365
allow_plugins=allow_plugins)
1366
# We distinguish between retcode=None and retcode not passed.
1367
supplied_retcode = kwargs.get('retcode', 0)
1368
return self.finish_bzr_subprocess(process, retcode=supplied_retcode,
1369
universal_newlines=kwargs.get('universal_newlines', False),
1372
def start_bzr_subprocess(self, process_args, env_changes=None,
1373
skip_if_plan_to_signal=False,
1375
allow_plugins=False):
1376
"""Start bzr in a subprocess for testing.
1378
This starts a new Python interpreter and runs bzr in there.
1379
This should only be used for tests that have a justifiable need for
1380
this isolation: e.g. they are testing startup time, or signal
1381
handling, or early startup code, etc. Subprocess code can't be
1382
profiled or debugged so easily.
1384
:param process_args: a list of arguments to pass to the bzr executable,
1385
for example `['--version']`.
1386
:param env_changes: A dictionary which lists changes to environment
1387
variables. A value of None will unset the env variable.
1388
The values must be strings. The change will only occur in the
1389
child, so you don't need to fix the environment after running.
1390
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
1392
:param allow_plugins: If False (default) pass --no-plugins to bzr.
1394
:returns: Popen object for the started process.
1396
if skip_if_plan_to_signal:
1397
if not getattr(os, 'kill', None):
1398
raise TestSkipped("os.kill not available.")
1400
if env_changes is None:
1404
def cleanup_environment():
1405
for env_var, value in env_changes.iteritems():
1406
old_env[env_var] = osutils.set_or_unset_env(env_var, value)
1408
def restore_environment():
1409
for env_var, value in old_env.iteritems():
1410
osutils.set_or_unset_env(env_var, value)
1412
bzr_path = self.get_bzr_path()
1415
if working_dir is not None:
1416
cwd = osutils.getcwd()
1417
os.chdir(working_dir)
1420
# win32 subprocess doesn't support preexec_fn
1421
# so we will avoid using it on all platforms, just to
1422
# make sure the code path is used, and we don't break on win32
1423
cleanup_environment()
1424
command = [sys.executable, bzr_path]
1425
if not allow_plugins:
1426
command.append('--no-plugins')
1427
command.extend(process_args)
1428
process = self._popen(command, stdin=PIPE, stdout=PIPE, stderr=PIPE)
1430
restore_environment()
1436
def _popen(self, *args, **kwargs):
1437
"""Place a call to Popen.
1439
Allows tests to override this method to intercept the calls made to
1440
Popen for introspection.
1442
return Popen(*args, **kwargs)
1444
def get_bzr_path(self):
1445
"""Return the path of the 'bzr' executable for this test suite."""
1446
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
1447
if not os.path.isfile(bzr_path):
1448
# We are probably installed. Assume sys.argv is the right file
1449
bzr_path = sys.argv[0]
1452
def finish_bzr_subprocess(self, process, retcode=0, send_signal=None,
1453
universal_newlines=False, process_args=None):
1454
"""Finish the execution of process.
1456
:param process: the Popen object returned from start_bzr_subprocess.
1457
:param retcode: The status code that is expected. Defaults to 0. If
1458
None is supplied, the status code is not checked.
1459
:param send_signal: an optional signal to send to the process.
1460
:param universal_newlines: Convert CRLF => LF
1461
:returns: (stdout, stderr)
1463
if send_signal is not None:
1464
os.kill(process.pid, send_signal)
1465
out, err = process.communicate()
1467
if universal_newlines:
1468
out = out.replace('\r\n', '\n')
1469
err = err.replace('\r\n', '\n')
1471
if retcode is not None and retcode != process.returncode:
1472
if process_args is None:
1473
process_args = "(unknown args)"
1474
mutter('Output of bzr %s:\n%s', process_args, out)
1475
mutter('Error for bzr %s:\n%s', process_args, err)
1476
self.fail('Command bzr %s failed with retcode %s != %s'
1477
% (process_args, retcode, process.returncode))
1480
def check_inventory_shape(self, inv, shape):
1481
"""Compare an inventory to a list of expected names.
1483
Fail if they are not precisely equal.
1486
shape = list(shape) # copy
1487
for path, ie in inv.entries():
1488
name = path.replace('\\', '/')
1489
if ie.kind == 'dir':
1496
self.fail("expected paths not found in inventory: %r" % shape)
1498
self.fail("unexpected paths found in inventory: %r" % extras)
1500
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
1501
a_callable=None, *args, **kwargs):
1502
"""Call callable with redirected std io pipes.
1504
Returns the return code."""
1505
if not callable(a_callable):
1506
raise ValueError("a_callable must be callable.")
1508
stdin = StringIO("")
1510
if getattr(self, "_log_file", None) is not None:
1511
stdout = self._log_file
1515
if getattr(self, "_log_file", None is not None):
1516
stderr = self._log_file
1519
real_stdin = sys.stdin
1520
real_stdout = sys.stdout
1521
real_stderr = sys.stderr
1526
return a_callable(*args, **kwargs)
1528
sys.stdout = real_stdout
1529
sys.stderr = real_stderr
1530
sys.stdin = real_stdin
1532
@symbol_versioning.deprecated_method(symbol_versioning.zero_eleven)
1533
def merge(self, branch_from, wt_to):
1534
"""A helper for tests to do a ui-less merge.
1536
This should move to the main library when someone has time to integrate
1539
# minimal ui-less merge.
1540
wt_to.branch.fetch(branch_from)
1541
base_rev = common_ancestor(branch_from.last_revision(),
1542
wt_to.branch.last_revision(),
1543
wt_to.branch.repository)
1544
merge_inner(wt_to.branch, branch_from.basis_tree(),
1545
wt_to.branch.repository.revision_tree(base_rev),
1547
wt_to.add_parent_tree_id(branch_from.last_revision())
1549
def reduceLockdirTimeout(self):
1550
"""Reduce the default lock timeout for the duration of the test, so that
1551
if LockContention occurs during a test, it does so quickly.
1553
Tests that expect to provoke LockContention errors should call this.
1555
orig_timeout = bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS
1557
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = orig_timeout
1558
self.addCleanup(resetTimeout)
1559
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = 0
1561
BzrTestBase = TestCase
1564
class TestCaseWithMemoryTransport(TestCase):
1565
"""Common test class for tests that do not need disk resources.
1567
Tests that need disk resources should derive from TestCaseWithTransport.
1569
TestCaseWithMemoryTransport sets the TEST_ROOT variable for all bzr tests.
1571
For TestCaseWithMemoryTransport the test_home_dir is set to the name of
1572
a directory which does not exist. This serves to help ensure test isolation
1573
is preserved. test_dir is set to the TEST_ROOT, as is cwd, because they
1574
must exist. However, TestCaseWithMemoryTransport does not offer local
1575
file defaults for the transport in tests, nor does it obey the command line
1576
override, so tests that accidentally write to the common directory should
1584
def __init__(self, methodName='runTest'):
1585
# allow test parameterisation after test construction and before test
1586
# execution. Variables that the parameteriser sets need to be
1587
# ones that are not set by setUp, or setUp will trash them.
1588
super(TestCaseWithMemoryTransport, self).__init__(methodName)
1589
self.vfs_transport_factory = default_transport
1590
self.transport_server = None
1591
self.transport_readonly_server = None
1592
self.__vfs_server = None
1594
def get_transport(self):
1595
"""Return a writeable transport for the test scratch space"""
1596
t = get_transport(self.get_url())
1597
self.assertFalse(t.is_readonly())
1600
def get_readonly_transport(self):
1601
"""Return a readonly transport for the test scratch space
1603
This can be used to test that operations which should only need
1604
readonly access in fact do not try to write.
1606
t = get_transport(self.get_readonly_url())
1607
self.assertTrue(t.is_readonly())
1610
def create_transport_readonly_server(self):
1611
"""Create a transport server from class defined at init.
1613
This is mostly a hook for daughter classes.
1615
return self.transport_readonly_server()
1617
def get_readonly_server(self):
1618
"""Get the server instance for the readonly transport
1620
This is useful for some tests with specific servers to do diagnostics.
1622
if self.__readonly_server is None:
1623
if self.transport_readonly_server is None:
1624
# readonly decorator requested
1625
# bring up the server
1626
self.__readonly_server = ReadonlyServer()
1627
self.__readonly_server.setUp(self.get_vfs_only_server())
1629
self.__readonly_server = self.create_transport_readonly_server()
1630
self.__readonly_server.setUp(self.get_vfs_only_server())
1631
self.addCleanup(self.__readonly_server.tearDown)
1632
return self.__readonly_server
1634
def get_readonly_url(self, relpath=None):
1635
"""Get a URL for the readonly transport.
1637
This will either be backed by '.' or a decorator to the transport
1638
used by self.get_url()
1639
relpath provides for clients to get a path relative to the base url.
1640
These should only be downwards relative, not upwards.
1642
base = self.get_readonly_server().get_url()
1643
if relpath is not None:
1644
if not base.endswith('/'):
1646
base = base + relpath
1649
def get_vfs_only_server(self):
1650
"""Get the vfs only read/write server instance.
1652
This is useful for some tests with specific servers that need
1655
For TestCaseWithMemoryTransport this is always a MemoryServer, and there
1656
is no means to override it.
1658
if self.__vfs_server is None:
1659
self.__vfs_server = MemoryServer()
1660
self.__vfs_server.setUp()
1661
self.addCleanup(self.__vfs_server.tearDown)
1662
return self.__vfs_server
1664
def get_server(self):
1665
"""Get the read/write server instance.
1667
This is useful for some tests with specific servers that need
1670
This is built from the self.transport_server factory. If that is None,
1671
then the self.get_vfs_server is returned.
1673
if self.__server is None:
1674
if self.transport_server is None or self.transport_server is self.vfs_transport_factory:
1675
return self.get_vfs_only_server()
1677
# bring up a decorated means of access to the vfs only server.
1678
self.__server = self.transport_server()
1680
self.__server.setUp(self.get_vfs_only_server())
1681
except TypeError, e:
1682
# This should never happen; the try:Except here is to assist
1683
# developers having to update code rather than seeing an
1684
# uninformative TypeError.
1685
raise Exception, "Old server API in use: %s, %s" % (self.__server, e)
1686
self.addCleanup(self.__server.tearDown)
1687
return self.__server
1689
def _adjust_url(self, base, relpath):
1690
"""Get a URL (or maybe a path) for the readwrite transport.
1692
This will either be backed by '.' or to an equivalent non-file based
1694
relpath provides for clients to get a path relative to the base url.
1695
These should only be downwards relative, not upwards.
1697
if relpath is not None and relpath != '.':
1698
if not base.endswith('/'):
1700
# XXX: Really base should be a url; we did after all call
1701
# get_url()! But sometimes it's just a path (from
1702
# LocalAbspathServer), and it'd be wrong to append urlescaped data
1703
# to a non-escaped local path.
1704
if base.startswith('./') or base.startswith('/'):
1707
base += urlutils.escape(relpath)
1710
def get_url(self, relpath=None):
1711
"""Get a URL (or maybe a path) for the readwrite transport.
1713
This will either be backed by '.' or to an equivalent non-file based
1715
relpath provides for clients to get a path relative to the base url.
1716
These should only be downwards relative, not upwards.
1718
base = self.get_server().get_url()
1719
return self._adjust_url(base, relpath)
1721
def get_vfs_only_url(self, relpath=None):
1722
"""Get a URL (or maybe a path for the plain old vfs transport.
1724
This will never be a smart protocol.
1725
:param relpath: provides for clients to get a path relative to the base
1726
url. These should only be downwards relative, not upwards.
1728
base = self.get_vfs_only_server().get_url()
1729
return self._adjust_url(base, relpath)
1731
def _make_test_root(self):
1732
if TestCaseWithMemoryTransport.TEST_ROOT is not None:
1736
root = u'test%04d.tmp' % i
1740
if e.errno == errno.EEXIST:
1745
# successfully created
1746
TestCaseWithMemoryTransport.TEST_ROOT = osutils.abspath(root)
1748
# make a fake bzr directory there to prevent any tests propagating
1749
# up onto the source directory's real branch
1750
bzrdir.BzrDir.create_standalone_workingtree(
1751
TestCaseWithMemoryTransport.TEST_ROOT)
1753
def makeAndChdirToTestDir(self):
1754
"""Create a temporary directories for this one test.
1756
This must set self.test_home_dir and self.test_dir and chdir to
1759
For TestCaseWithMemoryTransport we chdir to the TEST_ROOT for this test.
1761
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
1762
self.test_dir = TestCaseWithMemoryTransport.TEST_ROOT
1763
self.test_home_dir = self.test_dir + "/MemoryTransportMissingHomeDir"
1765
def make_branch(self, relpath, format=None):
1766
"""Create a branch on the transport at relpath."""
1767
repo = self.make_repository(relpath, format=format)
1768
return repo.bzrdir.create_branch()
1770
def make_bzrdir(self, relpath, format=None):
1772
# might be a relative or absolute path
1773
maybe_a_url = self.get_url(relpath)
1774
segments = maybe_a_url.rsplit('/', 1)
1775
t = get_transport(maybe_a_url)
1776
if len(segments) > 1 and segments[-1] not in ('', '.'):
1779
except errors.FileExists:
1783
if isinstance(format, basestring):
1784
format = bzrdir.format_registry.make_bzrdir(format)
1785
return format.initialize_on_transport(t)
1786
except errors.UninitializableFormat:
1787
raise TestSkipped("Format %s is not initializable." % format)
1789
def make_repository(self, relpath, shared=False, format=None):
1790
"""Create a repository on our default transport at relpath."""
1791
made_control = self.make_bzrdir(relpath, format=format)
1792
return made_control.create_repository(shared=shared)
1794
def make_branch_and_memory_tree(self, relpath, format=None):
1795
"""Create a branch on the default transport and a MemoryTree for it."""
1796
b = self.make_branch(relpath, format=format)
1797
return memorytree.MemoryTree.create_on_branch(b)
1799
def overrideEnvironmentForTesting(self):
1800
os.environ['HOME'] = self.test_home_dir
1801
os.environ['BZR_HOME'] = self.test_home_dir
1804
super(TestCaseWithMemoryTransport, self).setUp()
1805
self._make_test_root()
1806
_currentdir = os.getcwdu()
1807
def _leaveDirectory():
1808
os.chdir(_currentdir)
1809
self.addCleanup(_leaveDirectory)
1810
self.makeAndChdirToTestDir()
1811
self.overrideEnvironmentForTesting()
1812
self.__readonly_server = None
1813
self.__server = None
1814
self.reduceLockdirTimeout()
1817
class TestCaseInTempDir(TestCaseWithMemoryTransport):
1818
"""Derived class that runs a test within a temporary directory.
1820
This is useful for tests that need to create a branch, etc.
1822
The directory is created in a slightly complex way: for each
1823
Python invocation, a new temporary top-level directory is created.
1824
All test cases create their own directory within that. If the
1825
tests complete successfully, the directory is removed.
1827
InTempDir is an old alias for FunctionalTestCase.
1830
OVERRIDE_PYTHON = 'python'
1831
use_numbered_dirs = False
1833
def check_file_contents(self, filename, expect):
1834
self.log("check contents of file %s" % filename)
1835
contents = file(filename, 'r').read()
1836
if contents != expect:
1837
self.log("expected: %r" % expect)
1838
self.log("actually: %r" % contents)
1839
self.fail("contents of %s not as expected" % filename)
1841
def makeAndChdirToTestDir(self):
1842
"""See TestCaseWithMemoryTransport.makeAndChdirToTestDir().
1844
For TestCaseInTempDir we create a temporary directory based on the test
1845
name and then create two subdirs - test and home under it.
1847
if self.use_numbered_dirs: # strongly recommended on Windows
1848
# due the path length limitation (260 ch.)
1849
candidate_dir = '%s/%dK/%05d' % (self.TEST_ROOT,
1850
int(self.number/1000),
1852
os.makedirs(candidate_dir)
1853
self.test_home_dir = candidate_dir + '/home'
1854
os.mkdir(self.test_home_dir)
1855
self.test_dir = candidate_dir + '/work'
1856
os.mkdir(self.test_dir)
1857
os.chdir(self.test_dir)
1858
# put name of test inside
1859
f = file(candidate_dir + '/name', 'w')
1864
# shorten the name, to avoid test failures due to path length
1865
short_id = self.id().replace('bzrlib.tests.', '') \
1866
.replace('__main__.', '')[-100:]
1867
# it's possible the same test class is run several times for
1868
# parameterized tests, so make sure the names don't collide.
1872
candidate_dir = '%s/%s.%d' % (self.TEST_ROOT, short_id, i)
1874
candidate_dir = '%s/%s' % (self.TEST_ROOT, short_id)
1875
if os.path.exists(candidate_dir):
1879
os.mkdir(candidate_dir)
1880
self.test_home_dir = candidate_dir + '/home'
1881
os.mkdir(self.test_home_dir)
1882
self.test_dir = candidate_dir + '/work'
1883
os.mkdir(self.test_dir)
1884
os.chdir(self.test_dir)
1887
def build_tree(self, shape, line_endings='binary', transport=None):
1888
"""Build a test tree according to a pattern.
1890
shape is a sequence of file specifications. If the final
1891
character is '/', a directory is created.
1893
This assumes that all the elements in the tree being built are new.
1895
This doesn't add anything to a branch.
1896
:param line_endings: Either 'binary' or 'native'
1897
in binary mode, exact contents are written
1898
in native mode, the line endings match the
1899
default platform endings.
1901
:param transport: A transport to write to, for building trees on
1902
VFS's. If the transport is readonly or None,
1903
"." is opened automatically.
1905
# It's OK to just create them using forward slashes on windows.
1906
if transport is None or transport.is_readonly():
1907
transport = get_transport(".")
1909
self.assert_(isinstance(name, basestring))
1911
transport.mkdir(urlutils.escape(name[:-1]))
1913
if line_endings == 'binary':
1915
elif line_endings == 'native':
1918
raise errors.BzrError(
1919
'Invalid line ending request %r' % line_endings)
1920
content = "contents of %s%s" % (name.encode('utf-8'), end)
1921
transport.put_bytes_non_atomic(urlutils.escape(name), content)
1923
def build_tree_contents(self, shape):
1924
build_tree_contents(shape)
1926
def assertFileEqual(self, content, path):
1927
"""Fail if path does not contain 'content'."""
1928
self.failUnlessExists(path)
1929
# TODO: jam 20060427 Shouldn't this be 'rb'?
1935
self.assertEqualDiff(content, s)
1937
def failUnlessExists(self, path):
1938
"""Fail unless path, which may be abs or relative, exists."""
1939
self.failUnless(osutils.lexists(path),path+" does not exist")
1941
def failIfExists(self, path):
1942
"""Fail if path, which may be abs or relative, exists."""
1943
self.failIf(osutils.lexists(path),path+" exists")
1946
class TestCaseWithTransport(TestCaseInTempDir):
1947
"""A test case that provides get_url and get_readonly_url facilities.
1949
These back onto two transport servers, one for readonly access and one for
1952
If no explicit class is provided for readonly access, a
1953
ReadonlyTransportDecorator is used instead which allows the use of non disk
1954
based read write transports.
1956
If an explicit class is provided for readonly access, that server and the
1957
readwrite one must both define get_url() as resolving to os.getcwd().
1960
def get_vfs_only_server(self):
1961
"""See TestCaseWithMemoryTransport.
1963
This is useful for some tests with specific servers that need
1966
if self.__vfs_server is None:
1967
self.__vfs_server = self.vfs_transport_factory()
1968
self.__vfs_server.setUp()
1969
self.addCleanup(self.__vfs_server.tearDown)
1970
return self.__vfs_server
1972
def make_branch_and_tree(self, relpath, format=None):
1973
"""Create a branch on the transport and a tree locally.
1975
If the transport is not a LocalTransport, the Tree can't be created on
1976
the transport. In that case if the vfs_transport_factory is
1977
LocalURLServer the working tree is created in the local
1978
directory backing the transport, and the returned tree's branch and
1979
repository will also be accessed locally. Otherwise a lightweight
1980
checkout is created and returned.
1982
:param format: The BzrDirFormat.
1983
:returns: the WorkingTree.
1985
# TODO: always use the local disk path for the working tree,
1986
# this obviously requires a format that supports branch references
1987
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
1989
b = self.make_branch(relpath, format=format)
1991
return b.bzrdir.create_workingtree()
1992
except errors.NotLocalUrl:
1993
# We can only make working trees locally at the moment. If the
1994
# transport can't support them, then we keep the non-disk-backed
1995
# branch and create a local checkout.
1996
if self.vfs_transport_factory is LocalURLServer:
1997
# the branch is colocated on disk, we cannot create a checkout.
1998
# hopefully callers will expect this.
1999
local_controldir= bzrdir.BzrDir.open(self.get_vfs_only_url(relpath))
2000
return local_controldir.create_workingtree()
2002
return b.create_checkout(relpath, lightweight=True)
2004
def assertIsDirectory(self, relpath, transport):
2005
"""Assert that relpath within transport is a directory.
2007
This may not be possible on all transports; in that case it propagates
2008
a TransportNotPossible.
2011
mode = transport.stat(relpath).st_mode
2012
except errors.NoSuchFile:
2013
self.fail("path %s is not a directory; no such file"
2015
if not stat.S_ISDIR(mode):
2016
self.fail("path %s is not a directory; has mode %#o"
2019
def assertTreesEqual(self, left, right):
2020
"""Check that left and right have the same content and properties."""
2021
# we use a tree delta to check for equality of the content, and we
2022
# manually check for equality of other things such as the parents list.
2023
self.assertEqual(left.get_parent_ids(), right.get_parent_ids())
2024
differences = left.changes_from(right)
2025
self.assertFalse(differences.has_changed(),
2026
"Trees %r and %r are different: %r" % (left, right, differences))
2029
super(TestCaseWithTransport, self).setUp()
2030
self.__vfs_server = None
2033
class ChrootedTestCase(TestCaseWithTransport):
2034
"""A support class that provides readonly urls outside the local namespace.
2036
This is done by checking if self.transport_server is a MemoryServer. if it
2037
is then we are chrooted already, if it is not then an HttpServer is used
2040
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
2041
be used without needed to redo it when a different
2042
subclass is in use ?
2046
super(ChrootedTestCase, self).setUp()
2047
if not self.vfs_transport_factory == MemoryServer:
2048
self.transport_readonly_server = HttpServer
2051
def filter_suite_by_re(suite, pattern):
2052
result = TestUtil.TestSuite()
2053
filter_re = re.compile(pattern)
2054
for test in iter_suite_tests(suite):
2055
if filter_re.search(test.id()):
2056
result.addTest(test)
2060
def sort_suite_by_re(suite, pattern):
2063
filter_re = re.compile(pattern)
2064
for test in iter_suite_tests(suite):
2065
if filter_re.search(test.id()):
2069
return TestUtil.TestSuite(first + second)
2072
def run_suite(suite, name='test', verbose=False, pattern=".*",
2073
stop_on_failure=False, keep_output=False,
2074
transport=None, lsprof_timed=None, bench_history=None,
2075
matching_tests_first=None,
2076
numbered_dirs=None):
2077
use_numbered_dirs = bool(numbered_dirs)
2079
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
2080
if numbered_dirs is not None:
2081
TestCaseInTempDir.use_numbered_dirs = use_numbered_dirs
2086
runner = TextTestRunner(stream=sys.stdout,
2088
verbosity=verbosity,
2089
keep_output=keep_output,
2090
bench_history=bench_history,
2091
use_numbered_dirs=use_numbered_dirs,
2093
runner.stop_on_failure=stop_on_failure
2095
if matching_tests_first:
2096
suite = sort_suite_by_re(suite, pattern)
2098
suite = filter_suite_by_re(suite, pattern)
2099
result = runner.run(suite)
2100
return result.wasSuccessful()
2103
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
2106
test_suite_factory=None,
2109
matching_tests_first=None,
2110
numbered_dirs=None):
2111
"""Run the whole test suite under the enhanced runner"""
2112
# XXX: Very ugly way to do this...
2113
# Disable warning about old formats because we don't want it to disturb
2114
# any blackbox tests.
2115
from bzrlib import repository
2116
repository._deprecation_warning_done = True
2118
global default_transport
2119
if transport is None:
2120
transport = default_transport
2121
old_transport = default_transport
2122
default_transport = transport
2124
if test_suite_factory is None:
2125
suite = test_suite()
2127
suite = test_suite_factory()
2128
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
2129
stop_on_failure=stop_on_failure, keep_output=keep_output,
2130
transport=transport,
2131
lsprof_timed=lsprof_timed,
2132
bench_history=bench_history,
2133
matching_tests_first=matching_tests_first,
2134
numbered_dirs=numbered_dirs)
2136
default_transport = old_transport
2140
"""Build and return TestSuite for the whole of bzrlib.
2142
This function can be replaced if you need to change the default test
2143
suite on a global basis, but it is not encouraged.
2146
'bzrlib.tests.test_ancestry',
2147
'bzrlib.tests.test_annotate',
2148
'bzrlib.tests.test_api',
2149
'bzrlib.tests.test_atomicfile',
2150
'bzrlib.tests.test_bad_files',
2151
'bzrlib.tests.test_branch',
2152
'bzrlib.tests.test_bundle',
2153
'bzrlib.tests.test_bzrdir',
2154
'bzrlib.tests.test_cache_utf8',
2155
'bzrlib.tests.test_commands',
2156
'bzrlib.tests.test_commit',
2157
'bzrlib.tests.test_commit_merge',
2158
'bzrlib.tests.test_config',
2159
'bzrlib.tests.test_conflicts',
2160
'bzrlib.tests.test_decorators',
2161
'bzrlib.tests.test_delta',
2162
'bzrlib.tests.test_diff',
2163
'bzrlib.tests.test_dirstate',
2164
'bzrlib.tests.test_doc_generate',
2165
'bzrlib.tests.test_errors',
2166
'bzrlib.tests.test_escaped_store',
2167
'bzrlib.tests.test_extract',
2168
'bzrlib.tests.test_fetch',
2169
'bzrlib.tests.test_ftp_transport',
2170
'bzrlib.tests.test_generate_docs',
2171
'bzrlib.tests.test_generate_ids',
2172
'bzrlib.tests.test_globbing',
2173
'bzrlib.tests.test_gpg',
2174
'bzrlib.tests.test_graph',
2175
'bzrlib.tests.test_hashcache',
2176
'bzrlib.tests.test_help',
2177
'bzrlib.tests.test_http',
2178
'bzrlib.tests.test_http_response',
2179
'bzrlib.tests.test_https_ca_bundle',
2180
'bzrlib.tests.test_identitymap',
2181
'bzrlib.tests.test_ignores',
2182
'bzrlib.tests.test_inv',
2183
'bzrlib.tests.test_knit',
2184
'bzrlib.tests.test_lazy_import',
2185
'bzrlib.tests.test_lazy_regex',
2186
'bzrlib.tests.test_lockdir',
2187
'bzrlib.tests.test_lockable_files',
2188
'bzrlib.tests.test_log',
2189
'bzrlib.tests.test_memorytree',
2190
'bzrlib.tests.test_merge',
2191
'bzrlib.tests.test_merge3',
2192
'bzrlib.tests.test_merge_core',
2193
'bzrlib.tests.test_merge_directive',
2194
'bzrlib.tests.test_missing',
2195
'bzrlib.tests.test_msgeditor',
2196
'bzrlib.tests.test_nonascii',
2197
'bzrlib.tests.test_options',
2198
'bzrlib.tests.test_osutils',
2199
'bzrlib.tests.test_osutils_encodings',
2200
'bzrlib.tests.test_patch',
2201
'bzrlib.tests.test_patches',
2202
'bzrlib.tests.test_permissions',
2203
'bzrlib.tests.test_plugins',
2204
'bzrlib.tests.test_progress',
2205
'bzrlib.tests.test_reconcile',
2206
'bzrlib.tests.test_registry',
2207
'bzrlib.tests.test_repository',
2208
'bzrlib.tests.test_revert',
2209
'bzrlib.tests.test_revision',
2210
'bzrlib.tests.test_revisionnamespaces',
2211
'bzrlib.tests.test_revisiontree',
2212
'bzrlib.tests.test_rio',
2213
'bzrlib.tests.test_sampler',
2214
'bzrlib.tests.test_selftest',
2215
'bzrlib.tests.test_setup',
2216
'bzrlib.tests.test_sftp_transport',
2217
'bzrlib.tests.test_smart_add',
2218
'bzrlib.tests.test_smart_transport',
2219
'bzrlib.tests.test_source',
2220
'bzrlib.tests.test_ssh_transport',
2221
'bzrlib.tests.test_status',
2222
'bzrlib.tests.test_store',
2223
'bzrlib.tests.test_strace',
2224
'bzrlib.tests.test_subsume',
2225
'bzrlib.tests.test_symbol_versioning',
2226
'bzrlib.tests.test_tag',
2227
'bzrlib.tests.test_testament',
2228
'bzrlib.tests.test_textfile',
2229
'bzrlib.tests.test_textmerge',
2230
'bzrlib.tests.test_timestamp',
2231
'bzrlib.tests.test_trace',
2232
'bzrlib.tests.test_transactions',
2233
'bzrlib.tests.test_transform',
2234
'bzrlib.tests.test_transport',
2235
'bzrlib.tests.test_tree',
2236
'bzrlib.tests.test_treebuilder',
2237
'bzrlib.tests.test_tsort',
2238
'bzrlib.tests.test_tuned_gzip',
2239
'bzrlib.tests.test_ui',
2240
'bzrlib.tests.test_upgrade',
2241
'bzrlib.tests.test_urlutils',
2242
'bzrlib.tests.test_versionedfile',
2243
'bzrlib.tests.test_version',
2244
'bzrlib.tests.test_version_info',
2245
'bzrlib.tests.test_weave',
2246
'bzrlib.tests.test_whitebox',
2247
'bzrlib.tests.test_workingtree',
2248
'bzrlib.tests.test_workingtree_4',
2249
'bzrlib.tests.test_wsgi',
2250
'bzrlib.tests.test_xml',
2252
test_transport_implementations = [
2253
'bzrlib.tests.test_transport_implementations',
2254
'bzrlib.tests.test_read_bundle',
2256
suite = TestUtil.TestSuite()
2257
loader = TestUtil.TestLoader()
2258
suite.addTest(loader.loadTestsFromModuleNames(testmod_names))
2259
from bzrlib.transport import TransportTestProviderAdapter
2260
adapter = TransportTestProviderAdapter()
2261
adapt_modules(test_transport_implementations, adapter, loader, suite)
2262
for package in packages_to_test():
2263
suite.addTest(package.test_suite())
2264
for m in MODULES_TO_TEST:
2265
suite.addTest(loader.loadTestsFromModule(m))
2266
for m in MODULES_TO_DOCTEST:
2268
suite.addTest(doctest.DocTestSuite(m))
2269
except ValueError, e:
2270
print '**failed to get doctest for: %s\n%s' %(m,e)
2272
for name, plugin in bzrlib.plugin.all_plugins().items():
2273
if getattr(plugin, 'test_suite', None) is not None:
2274
default_encoding = sys.getdefaultencoding()
2276
plugin_suite = plugin.test_suite()
2277
except ImportError, e:
2278
bzrlib.trace.warning(
2279
'Unable to test plugin "%s": %s', name, e)
2281
suite.addTest(plugin_suite)
2282
if default_encoding != sys.getdefaultencoding():
2283
bzrlib.trace.warning(
2284
'Plugin "%s" tried to reset default encoding to: %s', name,
2285
sys.getdefaultencoding())
2287
sys.setdefaultencoding(default_encoding)
2291
def adapt_modules(mods_list, adapter, loader, suite):
2292
"""Adapt the modules in mods_list using adapter and add to suite."""
2293
for test in iter_suite_tests(loader.loadTestsFromModuleNames(mods_list)):
2294
suite.addTests(adapter.adapt(test))
2297
def _rmtree_temp_dir(dirname):
2299
osutils.rmtree(dirname)
2301
if sys.platform == 'win32' and e.errno == errno.EACCES:
2302
print >>sys.stderr, ('Permission denied: '
2303
'unable to remove testing dir '
2304
'%s' % os.path.basename(dirname))
2309
def clean_selftest_output(root=None, quiet=False):
2310
"""Remove all selftest output directories from root directory.
2312
:param root: root directory for clean
2313
(if ommitted or None then clean current directory).
2314
:param quiet: suppress report about deleting directories
2317
re_dir = re.compile(r'''test\d\d\d\d\.tmp''')
2320
for i in os.listdir(root):
2321
if os.path.isdir(i) and re_dir.match(i):
2323
print 'delete directory:', i
2327
class Feature(object):
2328
"""An operating system Feature."""
2331
self._available = None
2333
def available(self):
2334
"""Is the feature available?
2336
:return: True if the feature is available.
2338
if self._available is None:
2339
self._available = self._probe()
2340
return self._available
2343
"""Implement this method in concrete features.
2345
:return: True if the feature is available.
2347
raise NotImplementedError
2350
if getattr(self, 'feature_name', None):
2351
return self.feature_name()
2352
return self.__class__.__name__
added
removed
bzrlib/tests/__init__.py
