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# Copyright (C) 2005 by Canonical Ltd
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# Copyright (C) 2005, 2006, 2007, 2008, 2009 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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from testsweet import TestBase, run_suite, InTempDir
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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, STDOUT
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import bzrlib.commands
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MODULES_TO_DOCTEST = []
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class BzrTestBase(InTempDir):
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"""bzr-specific test base class"""
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def run_bzr(self, *args, **kwargs):
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retcode = kwargs.get('retcode', 0)
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self.assertEquals(bzrlib.commands.run_bzr(args), retcode)
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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.smart import client, request, server
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from bzrlib import symbol_versioning
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from bzrlib.symbol_versioning import (
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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.http_server 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.ui import NullProgressView
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from bzrlib.ui.text import TextUIFactory
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import bzrlib.version_info_formats.format_custom
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from bzrlib.workingtree import WorkingTree, WorkingTreeFormat2
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# Mark this python module as being part of the implementation
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# of unittest: this gives us better tracebacks where the last
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# shown frame is the test code, not our assertXYZ.
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default_transport = LocalURLServer
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# Subunit result codes, defined here to prevent a hard dependency on subunit.
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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 the unittest version this class adds support for
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profiling, benchmarking, stopping as soon as a test fails, and
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skipping tests. There are further-specialized subclasses for
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different types of display.
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When a test finishes, in whatever way, it calls one of the addSuccess,
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addFailure or addError classes. These in turn may redirect to a more
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specific case for the special test results supported by our extended
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Note that just one of these objects is fed the results from many tests.
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def __init__(self, stream, descriptions, verbosity,
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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.failure_count = 0
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self.known_failure_count = 0
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self.not_applicable_count = 0
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self.unsupported = {}
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self._overall_start_time = time.time()
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self._strict = strict
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# nb: called stopTestRun in the version of this that Python merged
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# upstream, according to lifeless 20090803
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ok = self.wasStrictlySuccessful()
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ok = self.wasSuccessful()
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self.stream.write('tests passed\n')
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self.stream.write('tests failed\n')
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if TestCase._first_thread_leaker_id:
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'%s is leaking threads among %d leaking tests.\n' % (
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TestCase._first_thread_leaker_id,
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TestCase._leaking_threads_tests))
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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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return 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, testCase):
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benchmark_time = self._extractBenchmarkTime(testCase)
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if benchmark_time is not None:
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return self._formatTime(benchmark_time) + "*"
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return 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 startTests(self):
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'testing: %s\n' % (osutils.realpath(sys.argv[0]),))
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' %s (%s python%s)\n' % (
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bzrlib.version_string,
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bzrlib._format_version_tuple(sys.version_info),
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self.stream.write('\n')
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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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"""Tell result that test finished with an error.
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Called from the TestCase run() method when the test
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fails with an unexpected error.
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self._testConcluded(test)
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if isinstance(err[1], TestNotApplicable):
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return self._addNotApplicable(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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self._cleanupLogFile(test)
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def addFailure(self, test, err):
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"""Tell result that test failed.
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Called from the TestCase run() method when the test
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fails because e.g. an assert() method failed.
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self._testConcluded(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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self._cleanupLogFile(test)
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def addSuccess(self, test):
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"""Tell result that test completed successfully.
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Called from the TestCase run()
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self._testConcluded(test)
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if self._bench_history is not None:
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benchmark_time = self._extractBenchmarkTime(test)
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if benchmark_time is not None:
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self._bench_history.write("%s %s\n" % (
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self._formatTime(benchmark_time),
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self.report_success(test)
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self._cleanupLogFile(test)
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unittest.TestResult.addSuccess(self, test)
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test._log_contents = ''
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def _testConcluded(self, test):
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"""Common code when a test has finished.
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Called regardless of whether it succeded, failed, etc.
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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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"""The test will not be run because of a missing feature.
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# this can be called in two different ways: it may be that the
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# test started running, and then raised (through addError)
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# UnavailableFeature. Alternatively this method can be called
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# while probing for features before running the tests; in that
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# case we will see startTest and stopTest, but the test will never
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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 addSkip(self, test, reason):
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"""A test has not run for 'reason'."""
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self.report_skip(test, reason)
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def _addNotApplicable(self, test, skip_excinfo):
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if isinstance(skip_excinfo[1], TestNotApplicable):
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self.not_applicable_count += 1
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self.report_not_applicable(test, skip_excinfo)
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except KeyboardInterrupt:
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self.addError(test, test.exc_info())
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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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unittest.TestResult.addSuccess(self, test)
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test._log_contents = ''
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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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self.stream.writeln(self.getDescription(test))
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if getattr(test, '_get_log', None) is not None:
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log_contents = test._get_log()
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self.stream.write('\n')
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('vvvv[log from %s]' % test.id()).ljust(78,'-'))
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self.stream.write('\n')
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self.stream.write(log_contents)
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self.stream.write('\n')
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('^^^^[log from %s]' % test.id()).ljust(78,'-'))
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self.stream.write('\n')
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self.stream.writeln(self.separator2)
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self.stream.writeln("%s" % err)
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def progress(self, offset, whence):
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"""The test is adjusting the count of tests to run."""
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if whence == SUBUNIT_SEEK_SET:
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self.num_tests = offset
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elif whence == SUBUNIT_SEEK_CUR:
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self.num_tests += offset
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raise errors.BzrError("Unknown whence %r" % whence)
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def report_cleaning_up(self):
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def report_success(self, test):
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def wasStrictlySuccessful(self):
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if self.unsupported or self.known_failure_count:
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return self.wasSuccessful()
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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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ExtendedTestResult.__init__(self, stream, descriptions, verbosity,
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bench_history, strict)
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# We no longer pass them around, but just rely on the UIFactory stack
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warnings.warn("Passing pb to TextTestResult is deprecated")
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self.pb = self.ui.nested_progress_bar()
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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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self.pb.update_latency = 0
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self.pb.show_transport_activity = False
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# called when the tests that are going to run have run
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super(TextTestResult, self).done()
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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 printErrors(self):
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# clear the pb to make room for the error listing
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super(TextTestResult, self).printErrors()
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def _progress_prefix_text(self):
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# the longer this text, the less space we have to show the test
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a = '[%d' % self.count # total that have been run
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# tests skipped as known not to be relevant are not important enough
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## if self.skip_count:
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## a += ', %d skip' % self.skip_count
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## if self.known_failure_count:
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## a += '+%dX' % self.known_failure_count
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a +='/%d' % self.num_tests
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runtime = time.time() - self._overall_start_time
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a += '%dm%ds' % (runtime / 60, runtime % 60)
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a += ', %d err' % self.error_count
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if self.failure_count:
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a += ', %d fail' % self.failure_count
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a += ', %d missing' % 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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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, reason):
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def report_not_applicable(self, test, 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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def report_cleaning_up(self):
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self.pb.update('Cleaning up')
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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 an
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# 11-char time string, 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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self.stream.write(self._ellipsize_to_right(name,
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osutils.terminal_width()-18))
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def _error_summary(self, err):
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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(test),
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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(test),
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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(test),
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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(test))
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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, reason):
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self.stream.writeln(' SKIP %s\n%s'
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% (self._testTimeString(test), reason))
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def report_not_applicable(self, test, skip_excinfo):
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self.stream.writeln(' N/A %s\n%s'
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% (self._testTimeString(test),
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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(test), feature))
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class TextTestRunner(object):
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stop_on_failure = False
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self.stream = unittest._WritelnDecorator(stream)
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self.descriptions = descriptions
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self.verbosity = verbosity
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self._bench_history = bench_history
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self.list_only = list_only
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self._strict = strict
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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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result.stop_early = self.stop_on_failure
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result.report_starting()
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if self.verbosity >= 2:
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self.stream.writeln("Listing tests only ...\n")
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for t in iter_suite_tests(test):
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self.stream.writeln("%s" % (t.id()))
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if isinstance(test, testtools.ConcurrentTestSuite):
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# We need to catch bzr specific behaviors
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test.run(BZRTransformingResult(result))
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run = result.testsRun
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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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self.stream.writeln("%s %d test%s in %.3fs" % (actionTaken,
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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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def iter_suite_tests(suite):
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"""Return all tests in a suite, recursing through nested suites"""
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if isinstance(suite, unittest.TestCase):
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elif isinstance(suite, unittest.TestSuite):
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for r in iter_suite_tests(item):
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raise Exception('unknown type %r for object %r'
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% (type(suite), suite))
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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 TestNotApplicable(TestSkipped):
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"""A test is not applicable to the situation where it was run.
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This is only normally raised by parameterized tests, if they find that
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the instance they're constructed upon does not support one aspect
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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(TextUIFactory):
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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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See also CannedInputUIFactory which lets you provide programmatic input in
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# TODO: Capture progress events at the model level and allow them to be
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# observed by tests that care.
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# XXX: Should probably unify more with CannedInputUIFactory or a
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# particular configuration of TextUIFactory, or otherwise have a clearer
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# idea of how they're supposed to be different.
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# See https://bugs.edge.launchpad.net/bzr/+bug/408213
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def __init__(self, stdout=None, stderr=None, stdin=None):
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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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stdin = StringIOWrapper(stdin)
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super(TestUIFactory, self).__init__(stdin, stdout, stderr)
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def get_non_echoed_password(self):
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"""Get password from stdin without trying to handle the echo mode"""
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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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def make_progress_view(self):
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return NullProgressView()
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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.
790
_active_threads = None
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_leaking_threads_tests = 0
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_first_thread_leaker_id = None
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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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attrs_to_keep = ('id', '_testMethodName', '_testMethodDoc',
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'_log_contents', '_log_file_name', '_benchtime',
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'_TestCase__testMethodName', '_TestCase__testMethodDoc',)
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def __init__(self, methodName='testMethod'):
803
super(TestCase, self).__init__(methodName)
805
self._bzr_test_setUp_run = False
806
self._bzr_test_tearDown_run = False
809
unittest.TestCase.setUp(self)
810
self._bzr_test_setUp_run = True
811
self._cleanEnvironment()
814
self._benchcalls = []
815
self._benchtime = None
817
# Track locks - needs to be called before _clear_debug_flags.
819
self._clear_debug_flags()
820
TestCase._active_threads = threading.activeCount()
821
self.addCleanup(self._check_leaked_threads)
826
pdb.Pdb().set_trace(sys._getframe().f_back)
828
def _check_leaked_threads(self):
829
active = threading.activeCount()
830
leaked_threads = active - TestCase._active_threads
831
TestCase._active_threads = active
833
TestCase._leaking_threads_tests += 1
834
if TestCase._first_thread_leaker_id is None:
835
TestCase._first_thread_leaker_id = self.id()
837
def _clear_debug_flags(self):
838
"""Prevent externally set debug flags affecting tests.
840
Tests that want to use debug flags can just set them in the
841
debug_flags set during setup/teardown.
843
self._preserved_debug_flags = set(debug.debug_flags)
844
if 'allow_debug' not in selftest_debug_flags:
845
debug.debug_flags.clear()
846
self.addCleanup(self._restore_debug_flags)
848
def _clear_hooks(self):
849
# prevent hooks affecting tests
850
self._preserved_hooks = {}
851
for key, factory in hooks.known_hooks.items():
852
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
853
current_hooks = hooks.known_hooks_key_to_object(key)
854
self._preserved_hooks[parent] = (name, current_hooks)
855
self.addCleanup(self._restoreHooks)
856
for key, factory in hooks.known_hooks.items():
857
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
858
setattr(parent, name, factory())
859
# this hook should always be installed
860
request._install_hook()
862
def _silenceUI(self):
863
"""Turn off UI for duration of test"""
864
# by default the UI is off; tests can turn it on if they want it.
865
saved = ui.ui_factory
867
ui.ui_factory = saved
868
ui.ui_factory = ui.SilentUIFactory()
869
self.addCleanup(_restore)
871
def _check_locks(self):
872
"""Check that all lock take/release actions have been paired."""
873
# once we have fixed all the current lock problems, we can change the
874
# following code to always check for mismatched locks, but only do
875
# traceback showing with -Dlock (self._lock_check_thorough is True).
876
# For now, because the test suite will fail, we only assert that lock
877
# matching has occured with -Dlock.
879
acquired_locks = [lock for action, lock in self._lock_actions
880
if action == 'acquired']
881
released_locks = [lock for action, lock in self._lock_actions
882
if action == 'released']
883
broken_locks = [lock for action, lock in self._lock_actions
884
if action == 'broken']
885
# trivially, given the tests for lock acquistion and release, if we
886
# have as many in each list, it should be ok. Some lock tests also
887
# break some locks on purpose and should be taken into account by
888
# considering that breaking a lock is just a dirty way of releasing it.
889
if len(acquired_locks) != (len(released_locks) + len(broken_locks)):
890
message = ('Different number of acquired and '
891
'released or broken locks. (%s, %s + %s)' %
892
(acquired_locks, released_locks, broken_locks))
893
if not self._lock_check_thorough:
894
# Rather than fail, just warn
895
print "Broken test %s: %s" % (self, message)
899
def _track_locks(self):
900
"""Track lock activity during tests."""
901
self._lock_actions = []
902
self._lock_check_thorough = 'lock' not in debug.debug_flags
903
self.addCleanup(self._check_locks)
904
_mod_lock.Lock.hooks.install_named_hook('lock_acquired',
905
self._lock_acquired, None)
906
_mod_lock.Lock.hooks.install_named_hook('lock_released',
907
self._lock_released, None)
908
_mod_lock.Lock.hooks.install_named_hook('lock_broken',
909
self._lock_broken, None)
911
def _lock_acquired(self, result):
912
self._lock_actions.append(('acquired', result))
914
def _lock_released(self, result):
915
self._lock_actions.append(('released', result))
917
def _lock_broken(self, result):
918
self._lock_actions.append(('broken', result))
920
def _ndiff_strings(self, a, b):
921
"""Return ndiff between two strings containing lines.
923
A trailing newline is added if missing to make the strings
925
if b and b[-1] != '\n':
927
if a and a[-1] != '\n':
929
difflines = difflib.ndiff(a.splitlines(True),
931
linejunk=lambda x: False,
932
charjunk=lambda x: False)
933
return ''.join(difflines)
935
def assertEqual(self, a, b, message=''):
939
except UnicodeError, e:
940
# If we can't compare without getting a UnicodeError, then
941
# obviously they are different
942
mutter('UnicodeError: %s', e)
945
raise AssertionError("%snot equal:\na = %s\nb = %s\n"
947
pformat(a), pformat(b)))
949
assertEquals = assertEqual
951
def assertEqualDiff(self, a, b, message=None):
952
"""Assert two texts are equal, if not raise an exception.
954
This is intended for use with multi-line strings where it can
955
be hard to find the differences by eye.
957
# TODO: perhaps override assertEquals to call this for strings?
961
message = "texts not equal:\n"
963
message = 'first string is missing a final newline.\n'
965
message = 'second string is missing a final newline.\n'
966
raise AssertionError(message +
967
self._ndiff_strings(a, b))
969
def assertEqualMode(self, mode, mode_test):
970
self.assertEqual(mode, mode_test,
971
'mode mismatch %o != %o' % (mode, mode_test))
973
def assertEqualStat(self, expected, actual):
974
"""assert that expected and actual are the same stat result.
976
:param expected: A stat result.
977
:param actual: A stat result.
978
:raises AssertionError: If the expected and actual stat values differ
981
self.assertEqual(expected.st_size, actual.st_size)
982
self.assertEqual(expected.st_mtime, actual.st_mtime)
983
self.assertEqual(expected.st_ctime, actual.st_ctime)
984
self.assertEqual(expected.st_dev, actual.st_dev)
985
self.assertEqual(expected.st_ino, actual.st_ino)
986
self.assertEqual(expected.st_mode, actual.st_mode)
988
def assertLength(self, length, obj_with_len):
989
"""Assert that obj_with_len is of length length."""
990
if len(obj_with_len) != length:
991
self.fail("Incorrect length: wanted %d, got %d for %r" % (
992
length, len(obj_with_len), obj_with_len))
994
def assertPositive(self, val):
995
"""Assert that val is greater than 0."""
996
self.assertTrue(val > 0, 'expected a positive value, but got %s' % val)
998
def assertNegative(self, val):
999
"""Assert that val is less than 0."""
1000
self.assertTrue(val < 0, 'expected a negative value, but got %s' % val)
1002
def assertStartsWith(self, s, prefix):
1003
if not s.startswith(prefix):
1004
raise AssertionError('string %r does not start with %r' % (s, prefix))
1006
def assertEndsWith(self, s, suffix):
1007
"""Asserts that s ends with suffix."""
1008
if not s.endswith(suffix):
1009
raise AssertionError('string %r does not end with %r' % (s, suffix))
1011
def assertContainsRe(self, haystack, needle_re, flags=0):
1012
"""Assert that a contains something matching a regular expression."""
1013
if not re.search(needle_re, haystack, flags):
1014
if '\n' in haystack or len(haystack) > 60:
1015
# a long string, format it in a more readable way
1016
raise AssertionError(
1017
'pattern "%s" not found in\n"""\\\n%s"""\n'
1018
% (needle_re, haystack))
1020
raise AssertionError('pattern "%s" not found in "%s"'
1021
% (needle_re, haystack))
1023
def assertNotContainsRe(self, haystack, needle_re, flags=0):
1024
"""Assert that a does not match a regular expression"""
1025
if re.search(needle_re, haystack, flags):
1026
raise AssertionError('pattern "%s" found in "%s"'
1027
% (needle_re, haystack))
1029
def assertSubset(self, sublist, superlist):
1030
"""Assert that every entry in sublist is present in superlist."""
1031
missing = set(sublist) - set(superlist)
1032
if len(missing) > 0:
1033
raise AssertionError("value(s) %r not present in container %r" %
1034
(missing, superlist))
1036
def assertListRaises(self, excClass, func, *args, **kwargs):
1037
"""Fail unless excClass is raised when the iterator from func is used.
1039
Many functions can return generators this makes sure
1040
to wrap them in a list() call to make sure the whole generator
1041
is run, and that the proper exception is raised.
1044
list(func(*args, **kwargs))
1048
if getattr(excClass,'__name__', None) is not None:
1049
excName = excClass.__name__
1051
excName = str(excClass)
1052
raise self.failureException, "%s not raised" % excName
1054
def assertRaises(self, excClass, callableObj, *args, **kwargs):
1055
"""Assert that a callable raises a particular exception.
1057
:param excClass: As for the except statement, this may be either an
1058
exception class, or a tuple of classes.
1059
:param callableObj: A callable, will be passed ``*args`` and
1062
Returns the exception so that you can examine it.
1065
callableObj(*args, **kwargs)
1069
if getattr(excClass,'__name__', None) is not None:
1070
excName = excClass.__name__
1073
excName = str(excClass)
1074
raise self.failureException, "%s not raised" % excName
1076
def assertIs(self, left, right, message=None):
1077
if not (left is right):
1078
if message is not None:
1079
raise AssertionError(message)
1081
raise AssertionError("%r is not %r." % (left, right))
1083
def assertIsNot(self, left, right, message=None):
1085
if message is not None:
1086
raise AssertionError(message)
1088
raise AssertionError("%r is %r." % (left, right))
1090
def assertTransportMode(self, transport, path, mode):
1091
"""Fail if a path does not have mode "mode".
1093
If modes are not supported on this transport, the assertion is ignored.
1095
if not transport._can_roundtrip_unix_modebits():
1097
path_stat = transport.stat(path)
1098
actual_mode = stat.S_IMODE(path_stat.st_mode)
1099
self.assertEqual(mode, actual_mode,
1100
'mode of %r incorrect (%s != %s)'
1101
% (path, oct(mode), oct(actual_mode)))
1103
def assertIsSameRealPath(self, path1, path2):
1104
"""Fail if path1 and path2 points to different files"""
1105
self.assertEqual(osutils.realpath(path1),
1106
osutils.realpath(path2),
1107
"apparent paths:\na = %s\nb = %s\n," % (path1, path2))
1109
def assertIsInstance(self, obj, kls, msg=None):
1110
"""Fail if obj is not an instance of kls
32
def selftest(verbose=False):
33
from unittest import TestLoader, TestSuite
34
import bzrlib, bzrlib.store, bzrlib.inventory, bzrlib.branch
35
import bzrlib.osutils, bzrlib.commands, bzrlib.merge3, bzrlib.plugin
36
from doctest import DocTestSuite
43
global MODULES_TO_TEST, MODULES_TO_DOCTEST
46
['bzrlib.selftest.whitebox',
47
'bzrlib.selftest.versioning',
48
'bzrlib.selftest.testinv',
49
'bzrlib.selftest.testmerge3',
50
'bzrlib.selftest.testhashcache',
51
'bzrlib.selftest.teststatus',
52
'bzrlib.selftest.testlog',
53
'bzrlib.selftest.blackbox',
54
'bzrlib.selftest.testrevisionnamespaces',
55
'bzrlib.selftest.testbranch',
56
'bzrlib.selftest.testrevision',
58
'bzrlib.selftest.testdiff',
1112
:param msg: Supplementary message to show if the assertion fails.
1114
if not isinstance(obj, kls):
1115
m = "%r is an instance of %s rather than %s" % (
1116
obj, obj.__class__, kls)
1121
def expectFailure(self, reason, assertion, *args, **kwargs):
1122
"""Invoke a test, expecting it to fail for the given reason.
1124
This is for assertions that ought to succeed, but currently fail.
1125
(The failure is *expected* but not *wanted*.) Please be very precise
1126
about the failure you're expecting. If a new bug is introduced,
1127
AssertionError should be raised, not KnownFailure.
1129
Frequently, expectFailure should be followed by an opposite assertion.
1132
Intended to be used with a callable that raises AssertionError as the
1133
'assertion' parameter. args and kwargs are passed to the 'assertion'.
1135
Raises KnownFailure if the test fails. Raises AssertionError if the
1140
self.expectFailure('Math is broken', self.assertNotEqual, 54,
1142
self.assertEqual(42, dynamic_val)
1144
This means that a dynamic_val of 54 will cause the test to raise
1145
a KnownFailure. Once math is fixed and the expectFailure is removed,
1146
only a dynamic_val of 42 will allow the test to pass. Anything other
1147
than 54 or 42 will cause an AssertionError.
1150
assertion(*args, **kwargs)
1151
except AssertionError:
1152
raise KnownFailure(reason)
1154
self.fail('Unexpected success. Should have failed: %s' % reason)
1156
def assertFileEqual(self, content, path):
1157
"""Fail if path does not contain 'content'."""
1158
self.failUnlessExists(path)
1159
f = file(path, 'rb')
1164
self.assertEqualDiff(content, s)
1166
def failUnlessExists(self, path):
1167
"""Fail unless path or paths, which may be abs or relative, exist."""
1168
if not isinstance(path, basestring):
1170
self.failUnlessExists(p)
1172
self.failUnless(osutils.lexists(path),path+" does not exist")
1174
def failIfExists(self, path):
1175
"""Fail if path or paths, which may be abs or relative, exist."""
1176
if not isinstance(path, basestring):
1178
self.failIfExists(p)
1180
self.failIf(osutils.lexists(path),path+" exists")
1182
def _capture_deprecation_warnings(self, a_callable, *args, **kwargs):
1183
"""A helper for callDeprecated and applyDeprecated.
1185
:param a_callable: A callable to call.
1186
:param args: The positional arguments for the callable
1187
:param kwargs: The keyword arguments for the callable
1188
:return: A tuple (warnings, result). result is the result of calling
1189
a_callable(``*args``, ``**kwargs``).
1192
def capture_warnings(msg, cls=None, stacklevel=None):
1193
# we've hooked into a deprecation specific callpath,
1194
# only deprecations should getting sent via it.
1195
self.assertEqual(cls, DeprecationWarning)
1196
local_warnings.append(msg)
1197
original_warning_method = symbol_versioning.warn
1198
symbol_versioning.set_warning_method(capture_warnings)
1200
result = a_callable(*args, **kwargs)
1202
symbol_versioning.set_warning_method(original_warning_method)
1203
return (local_warnings, result)
1205
def applyDeprecated(self, deprecation_format, a_callable, *args, **kwargs):
1206
"""Call a deprecated callable without warning the user.
1208
Note that this only captures warnings raised by symbol_versioning.warn,
1209
not other callers that go direct to the warning module.
1211
To test that a deprecated method raises an error, do something like
1214
self.assertRaises(errors.ReservedId,
1215
self.applyDeprecated,
1216
deprecated_in((1, 5, 0)),
1220
:param deprecation_format: The deprecation format that the callable
1221
should have been deprecated with. This is the same type as the
1222
parameter to deprecated_method/deprecated_function. If the
1223
callable is not deprecated with this format, an assertion error
1225
:param a_callable: A callable to call. This may be a bound method or
1226
a regular function. It will be called with ``*args`` and
1228
:param args: The positional arguments for the callable
1229
:param kwargs: The keyword arguments for the callable
1230
:return: The result of a_callable(``*args``, ``**kwargs``)
1232
call_warnings, result = self._capture_deprecation_warnings(a_callable,
1234
expected_first_warning = symbol_versioning.deprecation_string(
1235
a_callable, deprecation_format)
1236
if len(call_warnings) == 0:
1237
self.fail("No deprecation warning generated by call to %s" %
1239
self.assertEqual(expected_first_warning, call_warnings[0])
1242
def callCatchWarnings(self, fn, *args, **kw):
1243
"""Call a callable that raises python warnings.
1245
The caller's responsible for examining the returned warnings.
1247
If the callable raises an exception, the exception is not
1248
caught and propagates up to the caller. In that case, the list
1249
of warnings is not available.
1251
:returns: ([warning_object, ...], fn_result)
1253
# XXX: This is not perfect, because it completely overrides the
1254
# warnings filters, and some code may depend on suppressing particular
1255
# warnings. It's the easiest way to insulate ourselves from -Werror,
1256
# though. -- Andrew, 20071062
1258
def _catcher(message, category, filename, lineno, file=None, line=None):
1259
# despite the name, 'message' is normally(?) a Warning subclass
1261
wlist.append(message)
1262
saved_showwarning = warnings.showwarning
1263
saved_filters = warnings.filters
1265
warnings.showwarning = _catcher
1266
warnings.filters = []
1267
result = fn(*args, **kw)
1269
warnings.showwarning = saved_showwarning
1270
warnings.filters = saved_filters
1271
return wlist, result
1273
def callDeprecated(self, expected, callable, *args, **kwargs):
1274
"""Assert that a callable is deprecated in a particular way.
1276
This is a very precise test for unusual requirements. The
1277
applyDeprecated helper function is probably more suited for most tests
1278
as it allows you to simply specify the deprecation format being used
1279
and will ensure that that is issued for the function being called.
1281
Note that this only captures warnings raised by symbol_versioning.warn,
1282
not other callers that go direct to the warning module. To catch
1283
general warnings, use callCatchWarnings.
1285
:param expected: a list of the deprecation warnings expected, in order
1286
:param callable: The callable to call
1287
:param args: The positional arguments for the callable
1288
:param kwargs: The keyword arguments for the callable
1290
call_warnings, result = self._capture_deprecation_warnings(callable,
1292
self.assertEqual(expected, call_warnings)
1295
def _startLogFile(self):
1296
"""Send bzr and test log messages to a temporary file.
1298
The file is removed as the test is torn down.
1300
fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
1301
self._log_file = os.fdopen(fileno, 'w+')
1302
self._log_memento = bzrlib.trace.push_log_file(self._log_file)
1303
self._log_file_name = name
1304
self.addCleanup(self._finishLogFile)
1306
def _finishLogFile(self):
1307
"""Finished with the log file.
1309
Close the file and delete it, unless setKeepLogfile was called.
1311
if self._log_file is None:
1313
bzrlib.trace.pop_log_file(self._log_memento)
1314
self._log_file.close()
1315
self._log_file = None
1316
if not self._keep_log_file:
1317
os.remove(self._log_file_name)
1318
self._log_file_name = None
1320
def setKeepLogfile(self):
1321
"""Make the logfile not be deleted when _finishLogFile is called."""
1322
self._keep_log_file = True
1324
def addCleanup(self, callable, *args, **kwargs):
1325
"""Arrange to run a callable when this case is torn down.
1327
Callables are run in the reverse of the order they are registered,
1328
ie last-in first-out.
1330
self._cleanups.append((callable, args, kwargs))
1332
def _cleanEnvironment(self):
1334
'BZR_HOME': None, # Don't inherit BZR_HOME to all the tests.
1335
'HOME': os.getcwd(),
1336
# bzr now uses the Win32 API and doesn't rely on APPDATA, but the
1337
# tests do check our impls match APPDATA
1338
'BZR_EDITOR': None, # test_msgeditor manipulates this variable
1342
'BZREMAIL': None, # may still be present in the environment
1344
'BZR_PROGRESS_BAR': None,
1346
'BZR_PLUGIN_PATH': None,
1347
# Make sure that any text ui tests are consistent regardless of
1348
# the environment the test case is run in; you may want tests that
1349
# test other combinations. 'dumb' is a reasonable guess for tests
1350
# going to a pipe or a StringIO.
1355
'SSH_AUTH_SOCK': None,
1359
'https_proxy': None,
1360
'HTTPS_PROXY': None,
1365
# Nobody cares about ftp_proxy, FTP_PROXY AFAIK. So far at
1366
# least. If you do (care), please update this comment
1370
'BZR_REMOTE_PATH': None,
1373
self.addCleanup(self._restoreEnvironment)
1374
for name, value in new_env.iteritems():
1375
self._captureVar(name, value)
1377
def _captureVar(self, name, newvalue):
1378
"""Set an environment variable, and reset it when finished."""
1379
self.__old_env[name] = osutils.set_or_unset_env(name, newvalue)
1381
def _restore_debug_flags(self):
1382
debug.debug_flags.clear()
1383
debug.debug_flags.update(self._preserved_debug_flags)
1385
def _restoreEnvironment(self):
1386
for name, value in self.__old_env.iteritems():
1387
osutils.set_or_unset_env(name, value)
1389
def _restoreHooks(self):
1390
for klass, (name, hooks) in self._preserved_hooks.items():
1391
setattr(klass, name, hooks)
1393
def knownFailure(self, reason):
1394
"""This test has failed for some known reason."""
1395
raise KnownFailure(reason)
1397
def _do_skip(self, result, reason):
1398
addSkip = getattr(result, 'addSkip', None)
1399
if not callable(addSkip):
1400
result.addError(self, sys.exc_info())
1402
addSkip(self, reason)
1404
def run(self, result=None):
1405
if result is None: result = self.defaultTestResult()
1406
for feature in getattr(self, '_test_needs_features', []):
1407
if not feature.available():
1408
result.startTest(self)
1409
if getattr(result, 'addNotSupported', None):
1410
result.addNotSupported(self, feature)
1412
result.addSuccess(self)
1413
result.stopTest(self)
1417
result.startTest(self)
1418
absent_attr = object()
1420
method_name = getattr(self, '_testMethodName', absent_attr)
1421
if method_name is absent_attr:
1423
method_name = getattr(self, '_TestCase__testMethodName')
1424
testMethod = getattr(self, method_name)
1428
if not self._bzr_test_setUp_run:
1430
"test setUp did not invoke "
1431
"bzrlib.tests.TestCase's setUp")
1432
except KeyboardInterrupt:
1435
except TestSkipped, e:
1436
self._do_skip(result, e.args[0])
1440
result.addError(self, sys.exc_info())
1448
except self.failureException:
1449
result.addFailure(self, sys.exc_info())
1450
except TestSkipped, e:
1452
reason = "No reason given."
1455
self._do_skip(result, reason)
1456
except KeyboardInterrupt:
1460
result.addError(self, sys.exc_info())
1464
if not self._bzr_test_tearDown_run:
1466
"test tearDown did not invoke "
1467
"bzrlib.tests.TestCase's tearDown")
1468
except KeyboardInterrupt:
1472
result.addError(self, sys.exc_info())
1475
if ok: result.addSuccess(self)
1477
result.stopTest(self)
1479
except TestNotApplicable:
1480
# Not moved from the result [yet].
1483
except KeyboardInterrupt:
1488
for attr_name in self.attrs_to_keep:
1489
if attr_name in self.__dict__:
1490
saved_attrs[attr_name] = self.__dict__[attr_name]
1491
self.__dict__ = saved_attrs
1495
self._log_contents = ''
1496
self._bzr_test_tearDown_run = True
1497
unittest.TestCase.tearDown(self)
1499
def time(self, callable, *args, **kwargs):
1500
"""Run callable and accrue the time it takes to the benchmark time.
1502
If lsprofiling is enabled (i.e. by --lsprof-time to bzr selftest) then
1503
this will cause lsprofile statistics to be gathered and stored in
1506
if self._benchtime is None:
1510
if not self._gather_lsprof_in_benchmarks:
1511
return callable(*args, **kwargs)
1513
# record this benchmark
1514
ret, stats = bzrlib.lsprof.profile(callable, *args, **kwargs)
1516
self._benchcalls.append(((callable, args, kwargs), stats))
1519
self._benchtime += time.time() - start
1521
def _runCleanups(self):
1522
"""Run registered cleanup functions.
1524
This should only be called from TestCase.tearDown.
1526
# TODO: Perhaps this should keep running cleanups even if
1527
# one of them fails?
1529
# Actually pop the cleanups from the list so tearDown running
1530
# twice is safe (this happens for skipped tests).
1531
while self._cleanups:
1532
cleanup, args, kwargs = self._cleanups.pop()
1533
cleanup(*args, **kwargs)
1535
def log(self, *args):
1538
def _get_log(self, keep_log_file=False):
1539
"""Get the log from bzrlib.trace calls from this test.
1541
:param keep_log_file: When True, if the log is still a file on disk
1542
leave it as a file on disk. When False, if the log is still a file
1543
on disk, the log file is deleted and the log preserved as
1545
:return: A string containing the log.
1547
# flush the log file, to get all content
1549
if bzrlib.trace._trace_file:
1550
bzrlib.trace._trace_file.flush()
1551
if self._log_contents:
1552
# XXX: this can hardly contain the content flushed above --vila
1554
return self._log_contents
1555
if self._log_file_name is not None:
1556
logfile = open(self._log_file_name)
1558
log_contents = logfile.read()
1561
if not keep_log_file:
1562
self._log_contents = log_contents
1564
os.remove(self._log_file_name)
1566
if sys.platform == 'win32' and e.errno == errno.EACCES:
1567
sys.stderr.write(('Unable to delete log file '
1568
' %r\n' % self._log_file_name))
1573
return "DELETED log file to reduce memory footprint"
1575
def requireFeature(self, feature):
1576
"""This test requires a specific feature is available.
1578
:raises UnavailableFeature: When feature is not available.
1580
if not feature.available():
1581
raise UnavailableFeature(feature)
1583
def _run_bzr_autosplit(self, args, retcode, encoding, stdin,
1585
"""Run bazaar command line, splitting up a string command line."""
1586
if isinstance(args, basestring):
1587
# shlex don't understand unicode strings,
1588
# so args should be plain string (bialix 20070906)
1589
args = list(shlex.split(str(args)))
1590
return self._run_bzr_core(args, retcode=retcode,
1591
encoding=encoding, stdin=stdin, working_dir=working_dir,
1594
def _run_bzr_core(self, args, retcode, encoding, stdin,
1596
if encoding is None:
1597
encoding = osutils.get_user_encoding()
1598
stdout = StringIOWrapper()
1599
stderr = StringIOWrapper()
1600
stdout.encoding = encoding
1601
stderr.encoding = encoding
1603
self.log('run bzr: %r', args)
1604
# FIXME: don't call into logging here
1605
handler = logging.StreamHandler(stderr)
1606
handler.setLevel(logging.INFO)
1607
logger = logging.getLogger('')
1608
logger.addHandler(handler)
1609
old_ui_factory = ui.ui_factory
1610
ui.ui_factory = TestUIFactory(stdin=stdin, stdout=stdout, stderr=stderr)
1613
if working_dir is not None:
1614
cwd = osutils.getcwd()
1615
os.chdir(working_dir)
1618
result = self.apply_redirected(ui.ui_factory.stdin,
1620
bzrlib.commands.run_bzr_catch_user_errors,
1623
logger.removeHandler(handler)
1624
ui.ui_factory = old_ui_factory
1628
out = stdout.getvalue()
1629
err = stderr.getvalue()
1631
self.log('output:\n%r', out)
1633
self.log('errors:\n%r', err)
1634
if retcode is not None:
1635
self.assertEquals(retcode, result,
1636
message='Unexpected return code')
1639
def run_bzr(self, args, retcode=0, encoding=None, stdin=None,
1640
working_dir=None, error_regexes=[], output_encoding=None):
1641
"""Invoke bzr, as if it were run from the command line.
1643
The argument list should not include the bzr program name - the
1644
first argument is normally the bzr command. Arguments may be
1645
passed in three ways:
1647
1- A list of strings, eg ["commit", "a"]. This is recommended
1648
when the command contains whitespace or metacharacters, or
1649
is built up at run time.
1651
2- A single string, eg "add a". This is the most convenient
1652
for hardcoded commands.
1654
This runs bzr through the interface that catches and reports
1655
errors, and with logging set to something approximating the
1656
default, so that error reporting can be checked.
1658
This should be the main method for tests that want to exercise the
1659
overall behavior of the bzr application (rather than a unit test
1660
or a functional test of the library.)
1662
This sends the stdout/stderr results into the test's log,
1663
where it may be useful for debugging. See also run_captured.
1665
:keyword stdin: A string to be used as stdin for the command.
1666
:keyword retcode: The status code the command should return;
1668
:keyword working_dir: The directory to run the command in
1669
:keyword error_regexes: A list of expected error messages. If
1670
specified they must be seen in the error output of the command.
1672
out, err = self._run_bzr_autosplit(
1677
working_dir=working_dir,
1679
self.assertIsInstance(error_regexes, (list, tuple))
1680
for regex in error_regexes:
1681
self.assertContainsRe(err, regex)
1684
def run_bzr_error(self, error_regexes, *args, **kwargs):
1685
"""Run bzr, and check that stderr contains the supplied regexes
1687
:param error_regexes: Sequence of regular expressions which
1688
must each be found in the error output. The relative ordering
1690
:param args: command-line arguments for bzr
1691
:param kwargs: Keyword arguments which are interpreted by run_bzr
1692
This function changes the default value of retcode to be 3,
1693
since in most cases this is run when you expect bzr to fail.
1695
:return: (out, err) The actual output of running the command (in case
1696
you want to do more inspection)
1700
# Make sure that commit is failing because there is nothing to do
1701
self.run_bzr_error(['no changes to commit'],
1702
['commit', '-m', 'my commit comment'])
1703
# Make sure --strict is handling an unknown file, rather than
1704
# giving us the 'nothing to do' error
1705
self.build_tree(['unknown'])
1706
self.run_bzr_error(['Commit refused because there are unknown files'],
1707
['commit', --strict', '-m', 'my commit comment'])
1709
kwargs.setdefault('retcode', 3)
1710
kwargs['error_regexes'] = error_regexes
1711
out, err = self.run_bzr(*args, **kwargs)
1714
def run_bzr_subprocess(self, *args, **kwargs):
1715
"""Run bzr in a subprocess for testing.
1717
This starts a new Python interpreter and runs bzr in there.
1718
This should only be used for tests that have a justifiable need for
1719
this isolation: e.g. they are testing startup time, or signal
1720
handling, or early startup code, etc. Subprocess code can't be
1721
profiled or debugged so easily.
1723
:keyword retcode: The status code that is expected. Defaults to 0. If
1724
None is supplied, the status code is not checked.
1725
:keyword env_changes: A dictionary which lists changes to environment
1726
variables. A value of None will unset the env variable.
1727
The values must be strings. The change will only occur in the
1728
child, so you don't need to fix the environment after running.
1729
:keyword universal_newlines: Convert CRLF => LF
1730
:keyword allow_plugins: By default the subprocess is run with
1731
--no-plugins to ensure test reproducibility. Also, it is possible
1732
for system-wide plugins to create unexpected output on stderr,
1733
which can cause unnecessary test failures.
1735
env_changes = kwargs.get('env_changes', {})
1736
working_dir = kwargs.get('working_dir', None)
1737
allow_plugins = kwargs.get('allow_plugins', False)
1739
if isinstance(args[0], list):
1741
elif isinstance(args[0], basestring):
1742
args = list(shlex.split(args[0]))
1744
raise ValueError("passing varargs to run_bzr_subprocess")
1745
process = self.start_bzr_subprocess(args, env_changes=env_changes,
1746
working_dir=working_dir,
1747
allow_plugins=allow_plugins)
1748
# We distinguish between retcode=None and retcode not passed.
1749
supplied_retcode = kwargs.get('retcode', 0)
1750
return self.finish_bzr_subprocess(process, retcode=supplied_retcode,
1751
universal_newlines=kwargs.get('universal_newlines', False),
1754
def start_bzr_subprocess(self, process_args, env_changes=None,
1755
skip_if_plan_to_signal=False,
1757
allow_plugins=False):
1758
"""Start bzr in a subprocess for testing.
1760
This starts a new Python interpreter and runs bzr in there.
1761
This should only be used for tests that have a justifiable need for
1762
this isolation: e.g. they are testing startup time, or signal
1763
handling, or early startup code, etc. Subprocess code can't be
1764
profiled or debugged so easily.
1766
:param process_args: a list of arguments to pass to the bzr executable,
1767
for example ``['--version']``.
1768
:param env_changes: A dictionary which lists changes to environment
1769
variables. A value of None will unset the env variable.
1770
The values must be strings. The change will only occur in the
1771
child, so you don't need to fix the environment after running.
1772
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
1774
:param allow_plugins: If False (default) pass --no-plugins to bzr.
1776
:returns: Popen object for the started process.
1778
if skip_if_plan_to_signal:
1779
if not getattr(os, 'kill', None):
1780
raise TestSkipped("os.kill not available.")
1782
if env_changes is None:
1786
def cleanup_environment():
1787
for env_var, value in env_changes.iteritems():
1788
old_env[env_var] = osutils.set_or_unset_env(env_var, value)
1790
def restore_environment():
1791
for env_var, value in old_env.iteritems():
1792
osutils.set_or_unset_env(env_var, value)
1794
bzr_path = self.get_bzr_path()
1797
if working_dir is not None:
1798
cwd = osutils.getcwd()
1799
os.chdir(working_dir)
1802
# win32 subprocess doesn't support preexec_fn
1803
# so we will avoid using it on all platforms, just to
1804
# make sure the code path is used, and we don't break on win32
1805
cleanup_environment()
1806
command = [sys.executable]
1807
# frozen executables don't need the path to bzr
1808
if getattr(sys, "frozen", None) is None:
1809
command.append(bzr_path)
1810
if not allow_plugins:
1811
command.append('--no-plugins')
1812
command.extend(process_args)
1813
process = self._popen(command, stdin=PIPE, stdout=PIPE, stderr=PIPE)
1815
restore_environment()
1821
def _popen(self, *args, **kwargs):
1822
"""Place a call to Popen.
1824
Allows tests to override this method to intercept the calls made to
1825
Popen for introspection.
1827
return Popen(*args, **kwargs)
1829
def get_bzr_path(self):
1830
"""Return the path of the 'bzr' executable for this test suite."""
1831
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
1832
if not os.path.isfile(bzr_path):
1833
# We are probably installed. Assume sys.argv is the right file
1834
bzr_path = sys.argv[0]
1837
def finish_bzr_subprocess(self, process, retcode=0, send_signal=None,
1838
universal_newlines=False, process_args=None):
1839
"""Finish the execution of process.
1841
:param process: the Popen object returned from start_bzr_subprocess.
1842
:param retcode: The status code that is expected. Defaults to 0. If
1843
None is supplied, the status code is not checked.
1844
:param send_signal: an optional signal to send to the process.
1845
:param universal_newlines: Convert CRLF => LF
1846
:returns: (stdout, stderr)
1848
if send_signal is not None:
1849
os.kill(process.pid, send_signal)
1850
out, err = process.communicate()
1852
if universal_newlines:
1853
out = out.replace('\r\n', '\n')
1854
err = err.replace('\r\n', '\n')
1856
if retcode is not None and retcode != process.returncode:
1857
if process_args is None:
1858
process_args = "(unknown args)"
1859
mutter('Output of bzr %s:\n%s', process_args, out)
1860
mutter('Error for bzr %s:\n%s', process_args, err)
1861
self.fail('Command bzr %s failed with retcode %s != %s'
1862
% (process_args, retcode, process.returncode))
1865
def check_inventory_shape(self, inv, shape):
1866
"""Compare an inventory to a list of expected names.
1868
Fail if they are not precisely equal.
1871
shape = list(shape) # copy
1872
for path, ie in inv.entries():
1873
name = path.replace('\\', '/')
1874
if ie.kind == 'directory':
1881
self.fail("expected paths not found in inventory: %r" % shape)
1883
self.fail("unexpected paths found in inventory: %r" % extras)
1885
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
1886
a_callable=None, *args, **kwargs):
1887
"""Call callable with redirected std io pipes.
1889
Returns the return code."""
1890
if not callable(a_callable):
1891
raise ValueError("a_callable must be callable.")
1893
stdin = StringIO("")
1895
if getattr(self, "_log_file", None) is not None:
1896
stdout = self._log_file
1900
if getattr(self, "_log_file", None is not None):
1901
stderr = self._log_file
1904
real_stdin = sys.stdin
1905
real_stdout = sys.stdout
1906
real_stderr = sys.stderr
1911
return a_callable(*args, **kwargs)
1913
sys.stdout = real_stdout
1914
sys.stderr = real_stderr
1915
sys.stdin = real_stdin
1917
def reduceLockdirTimeout(self):
1918
"""Reduce the default lock timeout for the duration of the test, so that
1919
if LockContention occurs during a test, it does so quickly.
1921
Tests that expect to provoke LockContention errors should call this.
1923
orig_timeout = bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS
1925
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = orig_timeout
1926
self.addCleanup(resetTimeout)
1927
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = 0
1929
def make_utf8_encoded_stringio(self, encoding_type=None):
1930
"""Return a StringIOWrapper instance, that will encode Unicode
1933
if encoding_type is None:
1934
encoding_type = 'strict'
1936
output_encoding = 'utf-8'
1937
sio = codecs.getwriter(output_encoding)(sio, errors=encoding_type)
1938
sio.encoding = output_encoding
1941
def disable_verb(self, verb):
1942
"""Disable a smart server verb for one test."""
1943
from bzrlib.smart import request
1944
request_handlers = request.request_handlers
1945
orig_method = request_handlers.get(verb)
1946
request_handlers.remove(verb)
1948
request_handlers.register(verb, orig_method)
1949
self.addCleanup(restoreVerb)
1952
class CapturedCall(object):
1953
"""A helper for capturing smart server calls for easy debug analysis."""
1955
def __init__(self, params, prefix_length):
1956
"""Capture the call with params and skip prefix_length stack frames."""
1959
# The last 5 frames are the __init__, the hook frame, and 3 smart
1960
# client frames. Beyond this we could get more clever, but this is good
1962
stack = traceback.extract_stack()[prefix_length:-5]
1963
self.stack = ''.join(traceback.format_list(stack))
1966
return self.call.method
1969
return self.call.method
1975
class TestCaseWithMemoryTransport(TestCase):
1976
"""Common test class for tests that do not need disk resources.
1978
Tests that need disk resources should derive from TestCaseWithTransport.
1980
TestCaseWithMemoryTransport sets the TEST_ROOT variable for all bzr tests.
1982
For TestCaseWithMemoryTransport the test_home_dir is set to the name of
1983
a directory which does not exist. This serves to help ensure test isolation
1984
is preserved. test_dir is set to the TEST_ROOT, as is cwd, because they
1985
must exist. However, TestCaseWithMemoryTransport does not offer local
1986
file defaults for the transport in tests, nor does it obey the command line
1987
override, so tests that accidentally write to the common directory should
1990
:cvar TEST_ROOT: Directory containing all temporary directories, plus
1991
a .bzr directory that stops us ascending higher into the filesystem.
1997
def __init__(self, methodName='runTest'):
1998
# allow test parameterization after test construction and before test
1999
# execution. Variables that the parameterizer sets need to be
2000
# ones that are not set by setUp, or setUp will trash them.
2001
super(TestCaseWithMemoryTransport, self).__init__(methodName)
2002
self.vfs_transport_factory = default_transport
2003
self.transport_server = None
2004
self.transport_readonly_server = None
2005
self.__vfs_server = None
2007
def get_transport(self, relpath=None):
2008
"""Return a writeable transport.
2010
This transport is for the test scratch space relative to
2013
:param relpath: a path relative to the base url.
2015
t = get_transport(self.get_url(relpath))
2016
self.assertFalse(t.is_readonly())
2019
def get_readonly_transport(self, relpath=None):
2020
"""Return a readonly transport for the test scratch space
2022
This can be used to test that operations which should only need
2023
readonly access in fact do not try to write.
2025
:param relpath: a path relative to the base url.
2027
t = get_transport(self.get_readonly_url(relpath))
2028
self.assertTrue(t.is_readonly())
2031
def create_transport_readonly_server(self):
2032
"""Create a transport server from class defined at init.
2034
This is mostly a hook for daughter classes.
2036
return self.transport_readonly_server()
2038
def get_readonly_server(self):
2039
"""Get the server instance for the readonly transport
2041
This is useful for some tests with specific servers to do diagnostics.
2043
if self.__readonly_server is None:
2044
if self.transport_readonly_server is None:
2045
# readonly decorator requested
2046
# bring up the server
2047
self.__readonly_server = ReadonlyServer()
2048
self.__readonly_server.setUp(self.get_vfs_only_server())
2050
self.__readonly_server = self.create_transport_readonly_server()
2051
self.__readonly_server.setUp(self.get_vfs_only_server())
2052
self.addCleanup(self.__readonly_server.tearDown)
2053
return self.__readonly_server
2055
def get_readonly_url(self, relpath=None):
2056
"""Get a URL for the readonly transport.
2058
This will either be backed by '.' or a decorator to the transport
2059
used by self.get_url()
2060
relpath provides for clients to get a path relative to the base url.
2061
These should only be downwards relative, not upwards.
2063
base = self.get_readonly_server().get_url()
2064
return self._adjust_url(base, relpath)
2066
def get_vfs_only_server(self):
2067
"""Get the vfs only read/write server instance.
2069
This is useful for some tests with specific servers that need
2072
For TestCaseWithMemoryTransport this is always a MemoryServer, and there
2073
is no means to override it.
2075
if self.__vfs_server is None:
2076
self.__vfs_server = MemoryServer()
2077
self.__vfs_server.setUp()
2078
self.addCleanup(self.__vfs_server.tearDown)
2079
return self.__vfs_server
2081
def get_server(self):
2082
"""Get the read/write server instance.
2084
This is useful for some tests with specific servers that need
2087
This is built from the self.transport_server factory. If that is None,
2088
then the self.get_vfs_server is returned.
2090
if self.__server is None:
2091
if self.transport_server is None or self.transport_server is self.vfs_transport_factory:
2092
return self.get_vfs_only_server()
2094
# bring up a decorated means of access to the vfs only server.
2095
self.__server = self.transport_server()
2097
self.__server.setUp(self.get_vfs_only_server())
2098
except TypeError, e:
2099
# This should never happen; the try:Except here is to assist
2100
# developers having to update code rather than seeing an
2101
# uninformative TypeError.
2102
raise Exception, "Old server API in use: %s, %s" % (self.__server, e)
2103
self.addCleanup(self.__server.tearDown)
2104
return self.__server
2106
def _adjust_url(self, base, relpath):
2107
"""Get a URL (or maybe a path) for the readwrite transport.
2109
This will either be backed by '.' or to an equivalent non-file based
2111
relpath provides for clients to get a path relative to the base url.
2112
These should only be downwards relative, not upwards.
2114
if relpath is not None and relpath != '.':
2115
if not base.endswith('/'):
2117
# XXX: Really base should be a url; we did after all call
2118
# get_url()! But sometimes it's just a path (from
2119
# LocalAbspathServer), and it'd be wrong to append urlescaped data
2120
# to a non-escaped local path.
2121
if base.startswith('./') or base.startswith('/'):
2124
base += urlutils.escape(relpath)
2127
def get_url(self, relpath=None):
2128
"""Get a URL (or maybe a path) for the readwrite transport.
2130
This will either be backed by '.' or to an equivalent non-file based
2132
relpath provides for clients to get a path relative to the base url.
2133
These should only be downwards relative, not upwards.
2135
base = self.get_server().get_url()
2136
return self._adjust_url(base, relpath)
2138
def get_vfs_only_url(self, relpath=None):
2139
"""Get a URL (or maybe a path for the plain old vfs transport.
2141
This will never be a smart protocol. It always has all the
2142
capabilities of the local filesystem, but it might actually be a
2143
MemoryTransport or some other similar virtual filesystem.
2145
This is the backing transport (if any) of the server returned by
2146
get_url and get_readonly_url.
2148
:param relpath: provides for clients to get a path relative to the base
2149
url. These should only be downwards relative, not upwards.
2152
base = self.get_vfs_only_server().get_url()
2153
return self._adjust_url(base, relpath)
2155
def _create_safety_net(self):
2156
"""Make a fake bzr directory.
2158
This prevents any tests propagating up onto the TEST_ROOT directory's
2161
root = TestCaseWithMemoryTransport.TEST_ROOT
2162
bzrdir.BzrDir.create_standalone_workingtree(root)
2164
def _check_safety_net(self):
2165
"""Check that the safety .bzr directory have not been touched.
2167
_make_test_root have created a .bzr directory to prevent tests from
2168
propagating. This method ensures than a test did not leaked.
2170
root = TestCaseWithMemoryTransport.TEST_ROOT
2171
wt = workingtree.WorkingTree.open(root)
2172
last_rev = wt.last_revision()
2173
if last_rev != 'null:':
2174
# The current test have modified the /bzr directory, we need to
2175
# recreate a new one or all the followng tests will fail.
2176
# If you need to inspect its content uncomment the following line
2177
# import pdb; pdb.set_trace()
2178
_rmtree_temp_dir(root + '/.bzr')
2179
self._create_safety_net()
2180
raise AssertionError('%s/.bzr should not be modified' % root)
2182
def _make_test_root(self):
2183
if TestCaseWithMemoryTransport.TEST_ROOT is None:
2184
root = osutils.mkdtemp(prefix='testbzr-', suffix='.tmp')
2185
TestCaseWithMemoryTransport.TEST_ROOT = root
2187
self._create_safety_net()
2189
# The same directory is used by all tests, and we're not
2190
# specifically told when all tests are finished. This will do.
2191
atexit.register(_rmtree_temp_dir, root)
2193
self.addCleanup(self._check_safety_net)
2195
def makeAndChdirToTestDir(self):
2196
"""Create a temporary directories for this one test.
2198
This must set self.test_home_dir and self.test_dir and chdir to
2201
For TestCaseWithMemoryTransport we chdir to the TEST_ROOT for this test.
2203
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
2204
self.test_dir = TestCaseWithMemoryTransport.TEST_ROOT
2205
self.test_home_dir = self.test_dir + "/MemoryTransportMissingHomeDir"
2207
def make_branch(self, relpath, format=None):
2208
"""Create a branch on the transport at relpath."""
2209
repo = self.make_repository(relpath, format=format)
2210
return repo.bzrdir.create_branch()
2212
def make_bzrdir(self, relpath, format=None):
2214
# might be a relative or absolute path
2215
maybe_a_url = self.get_url(relpath)
2216
segments = maybe_a_url.rsplit('/', 1)
2217
t = get_transport(maybe_a_url)
2218
if len(segments) > 1 and segments[-1] not in ('', '.'):
2222
if isinstance(format, basestring):
2223
format = bzrdir.format_registry.make_bzrdir(format)
2224
return format.initialize_on_transport(t)
2225
except errors.UninitializableFormat:
2226
raise TestSkipped("Format %s is not initializable." % format)
2228
def make_repository(self, relpath, shared=False, format=None):
2229
"""Create a repository on our default transport at relpath.
2231
Note that relpath must be a relative path, not a full url.
2233
# FIXME: If you create a remoterepository this returns the underlying
2234
# real format, which is incorrect. Actually we should make sure that
2235
# RemoteBzrDir returns a RemoteRepository.
2236
# maybe mbp 20070410
2237
made_control = self.make_bzrdir(relpath, format=format)
2238
return made_control.create_repository(shared=shared)
2240
def make_smart_server(self, path):
2241
smart_server = server.SmartTCPServer_for_testing()
2242
smart_server.setUp(self.get_server())
2243
remote_transport = get_transport(smart_server.get_url()).clone(path)
2244
self.addCleanup(smart_server.tearDown)
2245
return remote_transport
2247
def make_branch_and_memory_tree(self, relpath, format=None):
2248
"""Create a branch on the default transport and a MemoryTree for it."""
2249
b = self.make_branch(relpath, format=format)
2250
return memorytree.MemoryTree.create_on_branch(b)
2252
def make_branch_builder(self, relpath, format=None):
2253
branch = self.make_branch(relpath, format=format)
2254
return branchbuilder.BranchBuilder(branch=branch)
2256
def overrideEnvironmentForTesting(self):
2257
os.environ['HOME'] = self.test_home_dir
2258
os.environ['BZR_HOME'] = self.test_home_dir
2261
super(TestCaseWithMemoryTransport, self).setUp()
2262
self._make_test_root()
2263
_currentdir = os.getcwdu()
2264
def _leaveDirectory():
2265
os.chdir(_currentdir)
2266
self.addCleanup(_leaveDirectory)
2267
self.makeAndChdirToTestDir()
2268
self.overrideEnvironmentForTesting()
2269
self.__readonly_server = None
2270
self.__server = None
2271
self.reduceLockdirTimeout()
2273
def setup_smart_server_with_call_log(self):
2274
"""Sets up a smart server as the transport server with a call log."""
2275
self.transport_server = server.SmartTCPServer_for_testing
2276
self.hpss_calls = []
2278
# Skip the current stack down to the caller of
2279
# setup_smart_server_with_call_log
2280
prefix_length = len(traceback.extract_stack()) - 2
2281
def capture_hpss_call(params):
2282
self.hpss_calls.append(
2283
CapturedCall(params, prefix_length))
2284
client._SmartClient.hooks.install_named_hook(
2285
'call', capture_hpss_call, None)
2287
def reset_smart_call_log(self):
2288
self.hpss_calls = []
2291
class TestCaseInTempDir(TestCaseWithMemoryTransport):
2292
"""Derived class that runs a test within a temporary directory.
2294
This is useful for tests that need to create a branch, etc.
2296
The directory is created in a slightly complex way: for each
2297
Python invocation, a new temporary top-level directory is created.
2298
All test cases create their own directory within that. If the
2299
tests complete successfully, the directory is removed.
2301
:ivar test_base_dir: The path of the top-level directory for this
2302
test, which contains a home directory and a work directory.
2304
:ivar test_home_dir: An initially empty directory under test_base_dir
2305
which is used as $HOME for this test.
2307
:ivar test_dir: A directory under test_base_dir used as the current
2308
directory when the test proper is run.
2311
OVERRIDE_PYTHON = 'python'
2313
def check_file_contents(self, filename, expect):
2314
self.log("check contents of file %s" % filename)
2315
contents = file(filename, 'r').read()
2316
if contents != expect:
2317
self.log("expected: %r" % expect)
2318
self.log("actually: %r" % contents)
2319
self.fail("contents of %s not as expected" % filename)
2321
def _getTestDirPrefix(self):
2322
# create a directory within the top level test directory
2323
if sys.platform == 'win32':
2324
name_prefix = re.sub('[<>*=+",:;_/\\-]', '_', self.id())
2325
# windows is likely to have path-length limits so use a short name
2326
name_prefix = name_prefix[-30:]
2328
name_prefix = re.sub('[/]', '_', self.id())
2331
def makeAndChdirToTestDir(self):
2332
"""See TestCaseWithMemoryTransport.makeAndChdirToTestDir().
2334
For TestCaseInTempDir we create a temporary directory based on the test
2335
name and then create two subdirs - test and home under it.
2337
name_prefix = osutils.pathjoin(TestCaseWithMemoryTransport.TEST_ROOT,
2338
self._getTestDirPrefix())
2340
for i in range(100):
2341
if os.path.exists(name):
2342
name = name_prefix + '_' + str(i)
2346
# now create test and home directories within this dir
2347
self.test_base_dir = name
2348
self.test_home_dir = self.test_base_dir + '/home'
2349
os.mkdir(self.test_home_dir)
2350
self.test_dir = self.test_base_dir + '/work'
2351
os.mkdir(self.test_dir)
2352
os.chdir(self.test_dir)
2353
# put name of test inside
2354
f = file(self.test_base_dir + '/name', 'w')
2359
self.addCleanup(self.deleteTestDir)
2361
def deleteTestDir(self):
2362
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
2363
_rmtree_temp_dir(self.test_base_dir)
2365
def build_tree(self, shape, line_endings='binary', transport=None):
2366
"""Build a test tree according to a pattern.
2368
shape is a sequence of file specifications. If the final
2369
character is '/', a directory is created.
2371
This assumes that all the elements in the tree being built are new.
2373
This doesn't add anything to a branch.
2375
:type shape: list or tuple.
2376
:param line_endings: Either 'binary' or 'native'
2377
in binary mode, exact contents are written in native mode, the
2378
line endings match the default platform endings.
2379
:param transport: A transport to write to, for building trees on VFS's.
2380
If the transport is readonly or None, "." is opened automatically.
2383
if type(shape) not in (list, tuple):
2384
raise AssertionError("Parameter 'shape' should be "
2385
"a list or a tuple. Got %r instead" % (shape,))
2386
# It's OK to just create them using forward slashes on windows.
2387
if transport is None or transport.is_readonly():
2388
transport = get_transport(".")
2390
self.assertIsInstance(name, basestring)
2392
transport.mkdir(urlutils.escape(name[:-1]))
2394
if line_endings == 'binary':
2396
elif line_endings == 'native':
2399
raise errors.BzrError(
2400
'Invalid line ending request %r' % line_endings)
2401
content = "contents of %s%s" % (name.encode('utf-8'), end)
2402
transport.put_bytes_non_atomic(urlutils.escape(name), content)
2404
def build_tree_contents(self, shape):
2405
build_tree_contents(shape)
2407
def assertInWorkingTree(self, path, root_path='.', tree=None):
2408
"""Assert whether path or paths are in the WorkingTree"""
2410
tree = workingtree.WorkingTree.open(root_path)
2411
if not isinstance(path, basestring):
2413
self.assertInWorkingTree(p, tree=tree)
2415
self.assertIsNot(tree.path2id(path), None,
2416
path+' not in working tree.')
2418
def assertNotInWorkingTree(self, path, root_path='.', tree=None):
2419
"""Assert whether path or paths are not in the WorkingTree"""
2421
tree = workingtree.WorkingTree.open(root_path)
2422
if not isinstance(path, basestring):
2424
self.assertNotInWorkingTree(p,tree=tree)
2426
self.assertIs(tree.path2id(path), None, path+' in working tree.')
2429
class TestCaseWithTransport(TestCaseInTempDir):
2430
"""A test case that provides get_url and get_readonly_url facilities.
2432
These back onto two transport servers, one for readonly access and one for
2435
If no explicit class is provided for readonly access, a
2436
ReadonlyTransportDecorator is used instead which allows the use of non disk
2437
based read write transports.
2439
If an explicit class is provided for readonly access, that server and the
2440
readwrite one must both define get_url() as resolving to os.getcwd().
2443
def get_vfs_only_server(self):
2444
"""See TestCaseWithMemoryTransport.
2446
This is useful for some tests with specific servers that need
2449
if self.__vfs_server is None:
2450
self.__vfs_server = self.vfs_transport_factory()
2451
self.__vfs_server.setUp()
2452
self.addCleanup(self.__vfs_server.tearDown)
2453
return self.__vfs_server
2455
def make_branch_and_tree(self, relpath, format=None):
2456
"""Create a branch on the transport and a tree locally.
2458
If the transport is not a LocalTransport, the Tree can't be created on
2459
the transport. In that case if the vfs_transport_factory is
2460
LocalURLServer the working tree is created in the local
2461
directory backing the transport, and the returned tree's branch and
2462
repository will also be accessed locally. Otherwise a lightweight
2463
checkout is created and returned.
2465
:param format: The BzrDirFormat.
2466
:returns: the WorkingTree.
2468
# TODO: always use the local disk path for the working tree,
2469
# this obviously requires a format that supports branch references
2470
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
2472
b = self.make_branch(relpath, format=format)
2474
return b.bzrdir.create_workingtree()
2475
except errors.NotLocalUrl:
2476
# We can only make working trees locally at the moment. If the
2477
# transport can't support them, then we keep the non-disk-backed
2478
# branch and create a local checkout.
2479
if self.vfs_transport_factory is LocalURLServer:
2480
# the branch is colocated on disk, we cannot create a checkout.
2481
# hopefully callers will expect this.
2482
local_controldir= bzrdir.BzrDir.open(self.get_vfs_only_url(relpath))
2483
wt = local_controldir.create_workingtree()
2484
if wt.branch._format != b._format:
2486
# Make sure that assigning to wt._branch fixes wt.branch,
2487
# in case the implementation details of workingtree objects
2489
self.assertIs(b, wt.branch)
2492
return b.create_checkout(relpath, lightweight=True)
2494
def assertIsDirectory(self, relpath, transport):
2495
"""Assert that relpath within transport is a directory.
2497
This may not be possible on all transports; in that case it propagates
2498
a TransportNotPossible.
2501
mode = transport.stat(relpath).st_mode
2502
except errors.NoSuchFile:
2503
self.fail("path %s is not a directory; no such file"
2505
if not stat.S_ISDIR(mode):
2506
self.fail("path %s is not a directory; has mode %#o"
2509
def assertTreesEqual(self, left, right):
2510
"""Check that left and right have the same content and properties."""
2511
# we use a tree delta to check for equality of the content, and we
2512
# manually check for equality of other things such as the parents list.
2513
self.assertEqual(left.get_parent_ids(), right.get_parent_ids())
2514
differences = left.changes_from(right)
2515
self.assertFalse(differences.has_changed(),
2516
"Trees %r and %r are different: %r" % (left, right, differences))
2519
super(TestCaseWithTransport, self).setUp()
2520
self.__vfs_server = None
2523
class ChrootedTestCase(TestCaseWithTransport):
2524
"""A support class that provides readonly urls outside the local namespace.
2526
This is done by checking if self.transport_server is a MemoryServer. if it
2527
is then we are chrooted already, if it is not then an HttpServer is used
2530
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
2531
be used without needed to redo it when a different
2532
subclass is in use ?
2536
super(ChrootedTestCase, self).setUp()
2537
if not self.vfs_transport_factory == MemoryServer:
2538
self.transport_readonly_server = HttpServer
2541
def condition_id_re(pattern):
2542
"""Create a condition filter which performs a re check on a test's id.
2544
:param pattern: A regular expression string.
2545
:return: A callable that returns True if the re matches.
2547
filter_re = osutils.re_compile_checked(pattern, 0,
2549
def condition(test):
2551
return filter_re.search(test_id)
2555
def condition_isinstance(klass_or_klass_list):
2556
"""Create a condition filter which returns isinstance(param, klass).
2558
:return: A callable which when called with one parameter obj return the
2559
result of isinstance(obj, klass_or_klass_list).
2562
return isinstance(obj, klass_or_klass_list)
2566
def condition_id_in_list(id_list):
2567
"""Create a condition filter which verify that test's id in a list.
2569
:param id_list: A TestIdList object.
2570
:return: A callable that returns True if the test's id appears in the list.
2572
def condition(test):
2573
return id_list.includes(test.id())
2577
def condition_id_startswith(starts):
2578
"""Create a condition filter verifying that test's id starts with a string.
2580
:param starts: A list of string.
2581
:return: A callable that returns True if the test's id starts with one of
2584
def condition(test):
2585
for start in starts:
2586
if test.id().startswith(start):
2592
def exclude_tests_by_condition(suite, condition):
2593
"""Create a test suite which excludes some tests from suite.
2595
:param suite: The suite to get tests from.
2596
:param condition: A callable whose result evaluates True when called with a
2597
test case which should be excluded from the result.
2598
:return: A suite which contains the tests found in suite that fail
2602
for test in iter_suite_tests(suite):
2603
if not condition(test):
2605
return TestUtil.TestSuite(result)
2608
def filter_suite_by_condition(suite, condition):
2609
"""Create a test suite by filtering another one.
2611
:param suite: The source suite.
2612
:param condition: A callable whose result evaluates True when called with a
2613
test case which should be included in the result.
2614
:return: A suite which contains the tests found in suite that pass
2618
for test in iter_suite_tests(suite):
2621
return TestUtil.TestSuite(result)
2624
def filter_suite_by_re(suite, pattern):
2625
"""Create a test suite by filtering another one.
2627
:param suite: the source suite
2628
:param pattern: pattern that names must match
2629
:returns: the newly created suite
2631
condition = condition_id_re(pattern)
2632
result_suite = filter_suite_by_condition(suite, condition)
2636
def filter_suite_by_id_list(suite, test_id_list):
2637
"""Create a test suite by filtering another one.
2639
:param suite: The source suite.
2640
:param test_id_list: A list of the test ids to keep as strings.
2641
:returns: the newly created suite
2643
condition = condition_id_in_list(test_id_list)
2644
result_suite = filter_suite_by_condition(suite, condition)
2648
def filter_suite_by_id_startswith(suite, start):
2649
"""Create a test suite by filtering another one.
2651
:param suite: The source suite.
2652
:param start: A list of string the test id must start with one of.
2653
:returns: the newly created suite
2655
condition = condition_id_startswith(start)
2656
result_suite = filter_suite_by_condition(suite, condition)
2660
def exclude_tests_by_re(suite, pattern):
2661
"""Create a test suite which excludes some tests from suite.
2663
:param suite: The suite to get tests from.
2664
:param pattern: A regular expression string. Test ids that match this
2665
pattern will be excluded from the result.
2666
:return: A TestSuite that contains all the tests from suite without the
2667
tests that matched pattern. The order of tests is the same as it was in
2670
return exclude_tests_by_condition(suite, condition_id_re(pattern))
2673
def preserve_input(something):
2674
"""A helper for performing test suite transformation chains.
2676
:param something: Anything you want to preserve.
2682
def randomize_suite(suite):
2683
"""Return a new TestSuite with suite's tests in random order.
2685
The tests in the input suite are flattened into a single suite in order to
2686
accomplish this. Any nested TestSuites are removed to provide global
2689
tests = list(iter_suite_tests(suite))
2690
random.shuffle(tests)
2691
return TestUtil.TestSuite(tests)
2694
def split_suite_by_condition(suite, condition):
2695
"""Split a test suite into two by a condition.
2697
:param suite: The suite to split.
2698
:param condition: The condition to match on. Tests that match this
2699
condition are returned in the first test suite, ones that do not match
2700
are in the second suite.
2701
:return: A tuple of two test suites, where the first contains tests from
2702
suite matching the condition, and the second contains the remainder
2703
from suite. The order within each output suite is the same as it was in
2708
for test in iter_suite_tests(suite):
2710
matched.append(test)
2712
did_not_match.append(test)
2713
return TestUtil.TestSuite(matched), TestUtil.TestSuite(did_not_match)
2716
def split_suite_by_re(suite, pattern):
2717
"""Split a test suite into two by a regular expression.
2719
:param suite: The suite to split.
2720
:param pattern: A regular expression string. Test ids that match this
2721
pattern will be in the first test suite returned, and the others in the
2722
second test suite returned.
2723
:return: A tuple of two test suites, where the first contains tests from
2724
suite matching pattern, and the second contains the remainder from
2725
suite. The order within each output suite is the same as it was in
2728
return split_suite_by_condition(suite, condition_id_re(pattern))
2731
def run_suite(suite, name='test', verbose=False, pattern=".*",
2732
stop_on_failure=False,
2733
transport=None, lsprof_timed=None, bench_history=None,
2734
matching_tests_first=None,
2737
exclude_pattern=None,
2740
suite_decorators=None,
2742
"""Run a test suite for bzr selftest.
2744
:param runner_class: The class of runner to use. Must support the
2745
constructor arguments passed by run_suite which are more than standard
2747
:return: A boolean indicating success.
2749
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
2754
if runner_class is None:
2755
runner_class = TextTestRunner
2758
runner = runner_class(stream=stream,
2760
verbosity=verbosity,
2761
bench_history=bench_history,
2762
list_only=list_only,
2765
runner.stop_on_failure=stop_on_failure
2766
# built in decorator factories:
2768
random_order(random_seed, runner),
2769
exclude_tests(exclude_pattern),
2771
if matching_tests_first:
2772
decorators.append(tests_first(pattern))
2774
decorators.append(filter_tests(pattern))
2775
if suite_decorators:
2776
decorators.extend(suite_decorators)
2777
# tell the result object how many tests will be running:
2778
decorators.append(CountingDecorator)
2779
for decorator in decorators:
2780
suite = decorator(suite)
2781
result = runner.run(suite)
2786
return result.wasStrictlySuccessful()
2788
return result.wasSuccessful()
2791
# A registry where get() returns a suite decorator.
2792
parallel_registry = registry.Registry()
2795
def fork_decorator(suite):
2796
concurrency = osutils.local_concurrency()
2797
if concurrency == 1:
2799
from testtools import ConcurrentTestSuite
2800
return ConcurrentTestSuite(suite, fork_for_tests)
2801
parallel_registry.register('fork', fork_decorator)
2804
def subprocess_decorator(suite):
2805
concurrency = osutils.local_concurrency()
2806
if concurrency == 1:
2808
from testtools import ConcurrentTestSuite
2809
return ConcurrentTestSuite(suite, reinvoke_for_tests)
2810
parallel_registry.register('subprocess', subprocess_decorator)
2813
def exclude_tests(exclude_pattern):
2814
"""Return a test suite decorator that excludes tests."""
2815
if exclude_pattern is None:
2816
return identity_decorator
2817
def decorator(suite):
2818
return ExcludeDecorator(suite, exclude_pattern)
2822
def filter_tests(pattern):
2824
return identity_decorator
2825
def decorator(suite):
2826
return FilterTestsDecorator(suite, pattern)
2830
def random_order(random_seed, runner):
2831
"""Return a test suite decorator factory for randomising tests order.
2833
:param random_seed: now, a string which casts to a long, or a long.
2834
:param runner: A test runner with a stream attribute to report on.
2836
if random_seed is None:
2837
return identity_decorator
2838
def decorator(suite):
2839
return RandomDecorator(suite, random_seed, runner.stream)
2843
def tests_first(pattern):
2845
return identity_decorator
2846
def decorator(suite):
2847
return TestFirstDecorator(suite, pattern)
2851
def identity_decorator(suite):
2856
class TestDecorator(TestSuite):
2857
"""A decorator for TestCase/TestSuite objects.
2859
Usually, subclasses should override __iter__(used when flattening test
2860
suites), which we do to filter, reorder, parallelise and so on, run() and
2864
def __init__(self, suite):
2865
TestSuite.__init__(self)
2868
def countTestCases(self):
2871
cases += test.countTestCases()
2878
def run(self, result):
2879
# Use iteration on self, not self._tests, to allow subclasses to hook
2882
if result.shouldStop:
2888
class CountingDecorator(TestDecorator):
2889
"""A decorator which calls result.progress(self.countTestCases)."""
2891
def run(self, result):
2892
progress_method = getattr(result, 'progress', None)
2893
if callable(progress_method):
2894
progress_method(self.countTestCases(), SUBUNIT_SEEK_SET)
2895
return super(CountingDecorator, self).run(result)
2898
class ExcludeDecorator(TestDecorator):
2899
"""A decorator which excludes test matching an exclude pattern."""
2901
def __init__(self, suite, exclude_pattern):
2902
TestDecorator.__init__(self, suite)
2903
self.exclude_pattern = exclude_pattern
2904
self.excluded = False
2908
return iter(self._tests)
2909
self.excluded = True
2910
suite = exclude_tests_by_re(self, self.exclude_pattern)
2912
self.addTests(suite)
2913
return iter(self._tests)
2916
class FilterTestsDecorator(TestDecorator):
2917
"""A decorator which filters tests to those matching a pattern."""
2919
def __init__(self, suite, pattern):
2920
TestDecorator.__init__(self, suite)
2921
self.pattern = pattern
2922
self.filtered = False
2926
return iter(self._tests)
2927
self.filtered = True
2928
suite = filter_suite_by_re(self, self.pattern)
2930
self.addTests(suite)
2931
return iter(self._tests)
2934
class RandomDecorator(TestDecorator):
2935
"""A decorator which randomises the order of its tests."""
2937
def __init__(self, suite, random_seed, stream):
2938
TestDecorator.__init__(self, suite)
2939
self.random_seed = random_seed
2940
self.randomised = False
2941
self.stream = stream
2945
return iter(self._tests)
2946
self.randomised = True
2947
self.stream.writeln("Randomizing test order using seed %s\n" %
2948
(self.actual_seed()))
2949
# Initialise the random number generator.
2950
random.seed(self.actual_seed())
2951
suite = randomize_suite(self)
2953
self.addTests(suite)
2954
return iter(self._tests)
2956
def actual_seed(self):
2957
if self.random_seed == "now":
2958
# We convert the seed to a long to make it reuseable across
2959
# invocations (because the user can reenter it).
2960
self.random_seed = long(time.time())
2962
# Convert the seed to a long if we can
2964
self.random_seed = long(self.random_seed)
2967
return self.random_seed
2970
class TestFirstDecorator(TestDecorator):
2971
"""A decorator which moves named tests to the front."""
2973
def __init__(self, suite, pattern):
2974
TestDecorator.__init__(self, suite)
2975
self.pattern = pattern
2976
self.filtered = False
2980
return iter(self._tests)
2981
self.filtered = True
2982
suites = split_suite_by_re(self, self.pattern)
2984
self.addTests(suites)
2985
return iter(self._tests)
2988
def partition_tests(suite, count):
2989
"""Partition suite into count lists of tests."""
2991
tests = list(iter_suite_tests(suite))
2992
tests_per_process = int(math.ceil(float(len(tests)) / count))
2993
for block in range(count):
2994
low_test = block * tests_per_process
2995
high_test = low_test + tests_per_process
2996
process_tests = tests[low_test:high_test]
2997
result.append(process_tests)
3001
def fork_for_tests(suite):
3002
"""Take suite and start up one runner per CPU by forking()
3004
:return: An iterable of TestCase-like objects which can each have
3005
run(result) called on them to feed tests to result.
3007
concurrency = osutils.local_concurrency()
3009
from subunit import TestProtocolClient, ProtocolTestCase
3011
from subunit.test_results import AutoTimingTestResultDecorator
3013
AutoTimingTestResultDecorator = lambda x:x
3014
class TestInOtherProcess(ProtocolTestCase):
3015
# Should be in subunit, I think. RBC.
3016
def __init__(self, stream, pid):
3017
ProtocolTestCase.__init__(self, stream)
3020
def run(self, result):
3022
ProtocolTestCase.run(self, result)
3024
os.waitpid(self.pid, os.WNOHANG)
3026
test_blocks = partition_tests(suite, concurrency)
3027
for process_tests in test_blocks:
3028
process_suite = TestSuite()
3029
process_suite.addTests(process_tests)
3030
c2pread, c2pwrite = os.pipe()
3035
# Leave stderr and stdout open so we can see test noise
3036
# Close stdin so that the child goes away if it decides to
3037
# read from stdin (otherwise its a roulette to see what
3038
# child actually gets keystrokes for pdb etc).
3041
stream = os.fdopen(c2pwrite, 'wb', 1)
3042
subunit_result = AutoTimingTestResultDecorator(
3043
TestProtocolClient(stream))
3044
process_suite.run(subunit_result)
3049
stream = os.fdopen(c2pread, 'rb', 1)
3050
test = TestInOtherProcess(stream, pid)
3055
def reinvoke_for_tests(suite):
3056
"""Take suite and start up one runner per CPU using subprocess().
3058
:return: An iterable of TestCase-like objects which can each have
3059
run(result) called on them to feed tests to result.
3061
concurrency = osutils.local_concurrency()
3063
from subunit import ProtocolTestCase
3064
class TestInSubprocess(ProtocolTestCase):
3065
def __init__(self, process, name):
3066
ProtocolTestCase.__init__(self, process.stdout)
3067
self.process = process
3068
self.process.stdin.close()
3071
def run(self, result):
3073
ProtocolTestCase.run(self, result)
3076
os.unlink(self.name)
3077
# print "pid %d finished" % finished_process
3078
test_blocks = partition_tests(suite, concurrency)
3079
for process_tests in test_blocks:
3080
# ugly; currently reimplement rather than reuses TestCase methods.
3081
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
3082
if not os.path.isfile(bzr_path):
3083
# We are probably installed. Assume sys.argv is the right file
3084
bzr_path = sys.argv[0]
3085
fd, test_list_file_name = tempfile.mkstemp()
3086
test_list_file = os.fdopen(fd, 'wb', 1)
3087
for test in process_tests:
3088
test_list_file.write(test.id() + '\n')
3089
test_list_file.close()
3091
argv = [bzr_path, 'selftest', '--load-list', test_list_file_name,
3093
if '--no-plugins' in sys.argv:
3094
argv.append('--no-plugins')
3095
# stderr=STDOUT would be ideal, but until we prevent noise on
3096
# stderr it can interrupt the subunit protocol.
3097
process = Popen(argv, stdin=PIPE, stdout=PIPE, stderr=PIPE,
3099
test = TestInSubprocess(process, test_list_file_name)
3102
os.unlink(test_list_file_name)
3107
class BZRTransformingResult(unittest.TestResult):
3109
def __init__(self, target):
3110
unittest.TestResult.__init__(self)
3111
self.result = target
3113
def startTest(self, test):
3114
self.result.startTest(test)
3116
def stopTest(self, test):
3117
self.result.stopTest(test)
3119
def addError(self, test, err):
3120
feature = self._error_looks_like('UnavailableFeature: ', err)
3121
if feature is not None:
3122
self.result.addNotSupported(test, feature)
3124
self.result.addError(test, err)
3126
def addFailure(self, test, err):
3127
known = self._error_looks_like('KnownFailure: ', err)
3128
if known is not None:
3129
self.result._addKnownFailure(test, [KnownFailure,
3130
KnownFailure(known), None])
3132
self.result.addFailure(test, err)
3134
def addSkip(self, test, reason):
3135
self.result.addSkip(test, reason)
3137
def addSuccess(self, test):
3138
self.result.addSuccess(test)
3140
def _error_looks_like(self, prefix, err):
3141
"""Deserialize exception and returns the stringify value."""
3145
if isinstance(exc, subunit.RemoteException):
3146
# stringify the exception gives access to the remote traceback
3147
# We search the last line for 'prefix'
3148
lines = str(exc).split('\n')
3149
while lines and not lines[-1]:
3152
if lines[-1].startswith(prefix):
3153
value = lines[-1][len(prefix):]
3157
# Controlled by "bzr selftest -E=..." option
3158
selftest_debug_flags = set()
3161
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
3163
test_suite_factory=None,
3166
matching_tests_first=None,
3169
exclude_pattern=None,
3175
suite_decorators=None,
3177
"""Run the whole test suite under the enhanced runner"""
3178
# XXX: Very ugly way to do this...
3179
# Disable warning about old formats because we don't want it to disturb
3180
# any blackbox tests.
3181
from bzrlib import repository
3182
repository._deprecation_warning_done = True
3184
global default_transport
3185
if transport is None:
3186
transport = default_transport
3187
old_transport = default_transport
3188
default_transport = transport
3189
global selftest_debug_flags
3190
old_debug_flags = selftest_debug_flags
3191
if debug_flags is not None:
3192
selftest_debug_flags = set(debug_flags)
3194
if load_list is None:
3197
keep_only = load_test_id_list(load_list)
3198
if test_suite_factory is None:
3199
suite = test_suite(keep_only, starting_with)
3201
suite = test_suite_factory()
3202
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
3203
stop_on_failure=stop_on_failure,
3204
transport=transport,
3205
lsprof_timed=lsprof_timed,
3206
bench_history=bench_history,
3207
matching_tests_first=matching_tests_first,
3208
list_only=list_only,
3209
random_seed=random_seed,
3210
exclude_pattern=exclude_pattern,
3212
runner_class=runner_class,
3213
suite_decorators=suite_decorators,
3216
default_transport = old_transport
3217
selftest_debug_flags = old_debug_flags
3220
def load_test_id_list(file_name):
3221
"""Load a test id list from a text file.
3223
The format is one test id by line. No special care is taken to impose
3224
strict rules, these test ids are used to filter the test suite so a test id
3225
that do not match an existing test will do no harm. This allows user to add
3226
comments, leave blank lines, etc.
3230
ftest = open(file_name, 'rt')
3232
if e.errno != errno.ENOENT:
3235
raise errors.NoSuchFile(file_name)
3237
for test_name in ftest.readlines():
3238
test_list.append(test_name.strip())
3243
def suite_matches_id_list(test_suite, id_list):
3244
"""Warns about tests not appearing or appearing more than once.
3246
:param test_suite: A TestSuite object.
3247
:param test_id_list: The list of test ids that should be found in
3250
:return: (absents, duplicates) absents is a list containing the test found
3251
in id_list but not in test_suite, duplicates is a list containing the
3252
test found multiple times in test_suite.
3254
When using a prefined test id list, it may occurs that some tests do not
3255
exist anymore or that some tests use the same id. This function warns the
3256
tester about potential problems in his workflow (test lists are volatile)
3257
or in the test suite itself (using the same id for several tests does not
3258
help to localize defects).
3260
# Build a dict counting id occurrences
3262
for test in iter_suite_tests(test_suite):
3264
tests[id] = tests.get(id, 0) + 1
3269
occurs = tests.get(id, 0)
3271
not_found.append(id)
3273
duplicates.append(id)
3275
return not_found, duplicates
3278
class TestIdList(object):
3279
"""Test id list to filter a test suite.
3281
Relying on the assumption that test ids are built as:
3282
<module>[.<class>.<method>][(<param>+)], <module> being in python dotted
3283
notation, this class offers methods to :
3284
- avoid building a test suite for modules not refered to in the test list,
3285
- keep only the tests listed from the module test suite.
3288
def __init__(self, test_id_list):
3289
# When a test suite needs to be filtered against us we compare test ids
3290
# for equality, so a simple dict offers a quick and simple solution.
3291
self.tests = dict().fromkeys(test_id_list, True)
3293
# While unittest.TestCase have ids like:
3294
# <module>.<class>.<method>[(<param+)],
3295
# doctest.DocTestCase can have ids like:
3298
# <module>.<function>
3299
# <module>.<class>.<method>
3301
# Since we can't predict a test class from its name only, we settle on
3302
# a simple constraint: a test id always begins with its module name.
3305
for test_id in test_id_list:
3306
parts = test_id.split('.')
3307
mod_name = parts.pop(0)
3308
modules[mod_name] = True
3310
mod_name += '.' + part
3311
modules[mod_name] = True
3312
self.modules = modules
3314
def refers_to(self, module_name):
3315
"""Is there tests for the module or one of its sub modules."""
3316
return self.modules.has_key(module_name)
3318
def includes(self, test_id):
3319
return self.tests.has_key(test_id)
3322
class TestPrefixAliasRegistry(registry.Registry):
3323
"""A registry for test prefix aliases.
3325
This helps implement shorcuts for the --starting-with selftest
3326
option. Overriding existing prefixes is not allowed but not fatal (a
3327
warning will be emitted).
3330
def register(self, key, obj, help=None, info=None,
3331
override_existing=False):
3332
"""See Registry.register.
3334
Trying to override an existing alias causes a warning to be emitted,
3335
not a fatal execption.
3338
super(TestPrefixAliasRegistry, self).register(
3339
key, obj, help=help, info=info, override_existing=False)
3341
actual = self.get(key)
3342
note('Test prefix alias %s is already used for %s, ignoring %s'
3343
% (key, actual, obj))
3345
def resolve_alias(self, id_start):
3346
"""Replace the alias by the prefix in the given string.
3348
Using an unknown prefix is an error to help catching typos.
3350
parts = id_start.split('.')
3352
parts[0] = self.get(parts[0])
3354
raise errors.BzrCommandError(
3355
'%s is not a known test prefix alias' % parts[0])
3356
return '.'.join(parts)
3359
test_prefix_alias_registry = TestPrefixAliasRegistry()
3360
"""Registry of test prefix aliases."""
3363
# This alias allows to detect typos ('bzrlin.') by making all valid test ids
3364
# appear prefixed ('bzrlib.' is "replaced" by 'bzrlib.').
3365
test_prefix_alias_registry.register('bzrlib', 'bzrlib')
3367
# Obvious higest levels prefixes, feel free to add your own via a plugin
3368
test_prefix_alias_registry.register('bd', 'bzrlib.doc')
3369
test_prefix_alias_registry.register('bu', 'bzrlib.utils')
3370
test_prefix_alias_registry.register('bt', 'bzrlib.tests')
3371
test_prefix_alias_registry.register('bb', 'bzrlib.tests.blackbox')
3372
test_prefix_alias_registry.register('bp', 'bzrlib.plugins')
3375
def test_suite(keep_only=None, starting_with=None):
3376
"""Build and return TestSuite for the whole of bzrlib.
3378
:param keep_only: A list of test ids limiting the suite returned.
3380
:param starting_with: An id limiting the suite returned to the tests
3383
This function can be replaced if you need to change the default test
3384
suite on a global basis, but it is not encouraged.
3388
'bzrlib.tests.blackbox',
3389
'bzrlib.tests.commands',
3390
'bzrlib.tests.per_branch',
3391
'bzrlib.tests.per_bzrdir',
3392
'bzrlib.tests.per_interrepository',
3393
'bzrlib.tests.per_intertree',
3394
'bzrlib.tests.per_inventory',
3395
'bzrlib.tests.per_interbranch',
3396
'bzrlib.tests.per_lock',
3397
'bzrlib.tests.per_transport',
3398
'bzrlib.tests.per_tree',
3399
'bzrlib.tests.per_repository',
3400
'bzrlib.tests.per_repository_chk',
3401
'bzrlib.tests.per_repository_reference',
3402
'bzrlib.tests.per_workingtree',
3403
'bzrlib.tests.test__annotator',
3404
'bzrlib.tests.test__chk_map',
3405
'bzrlib.tests.test__dirstate_helpers',
3406
'bzrlib.tests.test__groupcompress',
3407
'bzrlib.tests.test__known_graph',
3408
'bzrlib.tests.test__rio',
3409
'bzrlib.tests.test__walkdirs_win32',
3410
'bzrlib.tests.test_ancestry',
3411
'bzrlib.tests.test_annotate',
3412
'bzrlib.tests.test_api',
3413
'bzrlib.tests.test_atomicfile',
3414
'bzrlib.tests.test_bad_files',
3415
'bzrlib.tests.test_bencode',
3416
'bzrlib.tests.test_bisect_multi',
3417
'bzrlib.tests.test_branch',
3418
'bzrlib.tests.test_branchbuilder',
3419
'bzrlib.tests.test_btree_index',
3420
'bzrlib.tests.test_bugtracker',
3421
'bzrlib.tests.test_bundle',
3422
'bzrlib.tests.test_bzrdir',
3423
'bzrlib.tests.test__chunks_to_lines',
3424
'bzrlib.tests.test_cache_utf8',
3425
'bzrlib.tests.test_chk_map',
3426
'bzrlib.tests.test_chk_serializer',
3427
'bzrlib.tests.test_chunk_writer',
3428
'bzrlib.tests.test_clean_tree',
3429
'bzrlib.tests.test_commands',
3430
'bzrlib.tests.test_commit',
3431
'bzrlib.tests.test_commit_merge',
3432
'bzrlib.tests.test_config',
3433
'bzrlib.tests.test_conflicts',
3434
'bzrlib.tests.test_counted_lock',
3435
'bzrlib.tests.test_decorators',
3436
'bzrlib.tests.test_delta',
3437
'bzrlib.tests.test_debug',
3438
'bzrlib.tests.test_deprecated_graph',
3439
'bzrlib.tests.test_diff',
3440
'bzrlib.tests.test_directory_service',
3441
'bzrlib.tests.test_dirstate',
3442
'bzrlib.tests.test_email_message',
3443
'bzrlib.tests.test_eol_filters',
3444
'bzrlib.tests.test_errors',
3445
'bzrlib.tests.test_export',
3446
'bzrlib.tests.test_extract',
3447
'bzrlib.tests.test_fetch',
3448
'bzrlib.tests.test_fifo_cache',
3449
'bzrlib.tests.test_filters',
3450
'bzrlib.tests.test_ftp_transport',
3451
'bzrlib.tests.test_foreign',
3452
'bzrlib.tests.test_generate_docs',
3453
'bzrlib.tests.test_generate_ids',
3454
'bzrlib.tests.test_globbing',
3455
'bzrlib.tests.test_gpg',
3456
'bzrlib.tests.test_graph',
3457
'bzrlib.tests.test_groupcompress',
3458
'bzrlib.tests.test_hashcache',
3459
'bzrlib.tests.test_help',
3460
'bzrlib.tests.test_hooks',
3461
'bzrlib.tests.test_http',
3462
'bzrlib.tests.test_http_response',
3463
'bzrlib.tests.test_https_ca_bundle',
3464
'bzrlib.tests.test_identitymap',
3465
'bzrlib.tests.test_ignores',
3466
'bzrlib.tests.test_index',
3467
'bzrlib.tests.test_info',
3468
'bzrlib.tests.test_inv',
3469
'bzrlib.tests.test_inventory_delta',
3470
'bzrlib.tests.test_knit',
3471
'bzrlib.tests.test_lazy_import',
3472
'bzrlib.tests.test_lazy_regex',
3473
'bzrlib.tests.test_lockable_files',
3474
'bzrlib.tests.test_lockdir',
3475
'bzrlib.tests.test_log',
3476
'bzrlib.tests.test_lru_cache',
3477
'bzrlib.tests.test_lsprof',
3478
'bzrlib.tests.test_mail_client',
3479
'bzrlib.tests.test_memorytree',
3480
'bzrlib.tests.test_merge',
3481
'bzrlib.tests.test_merge3',
3482
'bzrlib.tests.test_merge_core',
3483
'bzrlib.tests.test_merge_directive',
3484
'bzrlib.tests.test_missing',
3485
'bzrlib.tests.test_msgeditor',
3486
'bzrlib.tests.test_multiparent',
3487
'bzrlib.tests.test_mutabletree',
3488
'bzrlib.tests.test_nonascii',
3489
'bzrlib.tests.test_options',
3490
'bzrlib.tests.test_osutils',
3491
'bzrlib.tests.test_osutils_encodings',
3492
'bzrlib.tests.test_pack',
3493
'bzrlib.tests.test_pack_repository',
3494
'bzrlib.tests.test_patch',
3495
'bzrlib.tests.test_patches',
3496
'bzrlib.tests.test_permissions',
3497
'bzrlib.tests.test_plugins',
3498
'bzrlib.tests.test_progress',
3499
'bzrlib.tests.test_read_bundle',
3500
'bzrlib.tests.test_reconcile',
3501
'bzrlib.tests.test_reconfigure',
3502
'bzrlib.tests.test_registry',
3503
'bzrlib.tests.test_remote',
3504
'bzrlib.tests.test_rename_map',
3505
'bzrlib.tests.test_repository',
3506
'bzrlib.tests.test_revert',
3507
'bzrlib.tests.test_revision',
3508
'bzrlib.tests.test_revisionspec',
3509
'bzrlib.tests.test_revisiontree',
3510
'bzrlib.tests.test_rio',
3511
'bzrlib.tests.test_rules',
3512
'bzrlib.tests.test_sampler',
3513
'bzrlib.tests.test_selftest',
3514
'bzrlib.tests.test_serializer',
3515
'bzrlib.tests.test_setup',
3516
'bzrlib.tests.test_sftp_transport',
3517
'bzrlib.tests.test_shelf',
3518
'bzrlib.tests.test_shelf_ui',
3519
'bzrlib.tests.test_smart',
3520
'bzrlib.tests.test_smart_add',
3521
'bzrlib.tests.test_smart_request',
3522
'bzrlib.tests.test_smart_transport',
3523
'bzrlib.tests.test_smtp_connection',
3524
'bzrlib.tests.test_source',
3525
'bzrlib.tests.test_ssh_transport',
3526
'bzrlib.tests.test_status',
3527
'bzrlib.tests.test_store',
3528
'bzrlib.tests.test_strace',
3529
'bzrlib.tests.test_subsume',
3530
'bzrlib.tests.test_switch',
3531
'bzrlib.tests.test_symbol_versioning',
3532
'bzrlib.tests.test_tag',
3533
'bzrlib.tests.test_testament',
3534
'bzrlib.tests.test_textfile',
3535
'bzrlib.tests.test_textmerge',
3536
'bzrlib.tests.test_timestamp',
3537
'bzrlib.tests.test_trace',
3538
'bzrlib.tests.test_transactions',
3539
'bzrlib.tests.test_transform',
3540
'bzrlib.tests.test_transport',
3541
'bzrlib.tests.test_transport_log',
3542
'bzrlib.tests.test_tree',
3543
'bzrlib.tests.test_treebuilder',
3544
'bzrlib.tests.test_tsort',
3545
'bzrlib.tests.test_tuned_gzip',
3546
'bzrlib.tests.test_ui',
3547
'bzrlib.tests.test_uncommit',
3548
'bzrlib.tests.test_upgrade',
3549
'bzrlib.tests.test_upgrade_stacked',
3550
'bzrlib.tests.test_urlutils',
3551
'bzrlib.tests.test_version',
3552
'bzrlib.tests.test_version_info',
3553
'bzrlib.tests.test_versionedfile',
3554
'bzrlib.tests.test_weave',
3555
'bzrlib.tests.test_whitebox',
3556
'bzrlib.tests.test_win32utils',
3557
'bzrlib.tests.test_workingtree',
3558
'bzrlib.tests.test_workingtree_4',
3559
'bzrlib.tests.test_wsgi',
3560
'bzrlib.tests.test_xml',
61
# XXX: should also test bzrlib.merge_core, but they seem to be out
62
# of date with the code.
64
for m in (bzrlib.store, bzrlib.inventory, bzrlib.branch,
65
bzrlib.osutils, bzrlib.commands, bzrlib.merge3):
66
if m not in MODULES_TO_DOCTEST:
67
MODULES_TO_DOCTEST.append(m)
70
TestBase.BZRPATH = os.path.join(os.path.realpath(os.path.dirname(bzrlib.__path__[0])), 'bzr')
71
print '%-30s %s' % ('bzr binary', TestBase.BZRPATH)
77
suite.addTest(TestLoader().loadTestsFromNames(testmod_names))
79
for m in MODULES_TO_TEST:
80
suite.addTest(TestLoader().loadTestsFromModule(m))
82
for m in (MODULES_TO_DOCTEST):
83
suite.addTest(DocTestSuite(m))
85
for p in bzrlib.plugin.all_plugins:
86
if hasattr(p, 'test_suite'):
87
suite.addTest(p.test_suite())
89
import bzrlib.merge_core
90
suite.addTest(unittest.makeSuite(bzrlib.merge_core.MergeTest, 'test_'))
92
return run_suite(suite, 'testbzr', verbose=verbose)
3563
loader = TestUtil.TestLoader()
3565
if keep_only is not None:
3566
id_filter = TestIdList(keep_only)
3568
starting_with = [test_prefix_alias_registry.resolve_alias(start)
3569
for start in starting_with]
3570
# We take precedence over keep_only because *at loading time* using
3571
# both options means we will load less tests for the same final result.
3572
def interesting_module(name):
3573
for start in starting_with:
3575
# Either the module name starts with the specified string
3576
name.startswith(start)
3577
# or it may contain tests starting with the specified string
3578
or start.startswith(name)
3582
loader = TestUtil.FilteredByModuleTestLoader(interesting_module)
3584
elif keep_only is not None:
3585
loader = TestUtil.FilteredByModuleTestLoader(id_filter.refers_to)
3586
def interesting_module(name):
3587
return id_filter.refers_to(name)
3590
loader = TestUtil.TestLoader()
3591
def interesting_module(name):
3592
# No filtering, all modules are interesting
3595
suite = loader.suiteClass()
3597
# modules building their suite with loadTestsFromModuleNames
3598
suite.addTest(loader.loadTestsFromModuleNames(testmod_names))
3600
modules_to_doctest = [
3602
'bzrlib.branchbuilder',
3605
'bzrlib.iterablefile',
3609
'bzrlib.symbol_versioning',
3612
'bzrlib.version_info_formats.format_custom',
3615
for mod in modules_to_doctest:
3616
if not interesting_module(mod):
3617
# No tests to keep here, move along
3620
# note that this really does mean "report only" -- doctest
3621
# still runs the rest of the examples
3622
doc_suite = doctest.DocTestSuite(mod,
3623
optionflags=doctest.REPORT_ONLY_FIRST_FAILURE)
3624
except ValueError, e:
3625
print '**failed to get doctest for: %s\n%s' % (mod, e)
3627
if len(doc_suite._tests) == 0:
3628
raise errors.BzrError("no doctests found in %s" % (mod,))
3629
suite.addTest(doc_suite)
3631
default_encoding = sys.getdefaultencoding()
3632
for name, plugin in bzrlib.plugin.plugins().items():
3633
if not interesting_module(plugin.module.__name__):
3635
plugin_suite = plugin.test_suite()
3636
# We used to catch ImportError here and turn it into just a warning,
3637
# but really if you don't have --no-plugins this should be a failure.
3638
# mbp 20080213 - see http://bugs.launchpad.net/bugs/189771
3639
if plugin_suite is None:
3640
plugin_suite = plugin.load_plugin_tests(loader)
3641
if plugin_suite is not None:
3642
suite.addTest(plugin_suite)
3643
if default_encoding != sys.getdefaultencoding():
3644
bzrlib.trace.warning(
3645
'Plugin "%s" tried to reset default encoding to: %s', name,
3646
sys.getdefaultencoding())
3648
sys.setdefaultencoding(default_encoding)
3651
suite = filter_suite_by_id_startswith(suite, starting_with)
3653
if keep_only is not None:
3654
# Now that the referred modules have loaded their tests, keep only the
3656
suite = filter_suite_by_id_list(suite, id_filter)
3657
# Do some sanity checks on the id_list filtering
3658
not_found, duplicates = suite_matches_id_list(suite, keep_only)
3660
# The tester has used both keep_only and starting_with, so he is
3661
# already aware that some tests are excluded from the list, there
3662
# is no need to tell him which.
3665
# Some tests mentioned in the list are not in the test suite. The
3666
# list may be out of date, report to the tester.
3667
for id in not_found:
3668
bzrlib.trace.warning('"%s" not found in the test suite', id)
3669
for id in duplicates:
3670
bzrlib.trace.warning('"%s" is used as an id by several tests', id)
3675
def multiply_scenarios(scenarios_left, scenarios_right):
3676
"""Multiply two sets of scenarios.
3678
:returns: the cartesian product of the two sets of scenarios, that is
3679
a scenario for every possible combination of a left scenario and a
3683
('%s,%s' % (left_name, right_name),
3684
dict(left_dict.items() + right_dict.items()))
3685
for left_name, left_dict in scenarios_left
3686
for right_name, right_dict in scenarios_right]
3689
def multiply_tests(tests, scenarios, result):
3690
"""Multiply tests_list by scenarios into result.
3692
This is the core workhorse for test parameterisation.
3694
Typically the load_tests() method for a per-implementation test suite will
3695
call multiply_tests and return the result.
3697
:param tests: The tests to parameterise.
3698
:param scenarios: The scenarios to apply: pairs of (scenario_name,
3699
scenario_param_dict).
3700
:param result: A TestSuite to add created tests to.
3702
This returns the passed in result TestSuite with the cross product of all
3703
the tests repeated once for each scenario. Each test is adapted by adding
3704
the scenario name at the end of its id(), and updating the test object's
3705
__dict__ with the scenario_param_dict.
3707
>>> import bzrlib.tests.test_sampler
3708
>>> r = multiply_tests(
3709
... bzrlib.tests.test_sampler.DemoTest('test_nothing'),
3710
... [('one', dict(param=1)),
3711
... ('two', dict(param=2))],
3713
>>> tests = list(iter_suite_tests(r))
3717
'bzrlib.tests.test_sampler.DemoTest.test_nothing(one)'
3723
for test in iter_suite_tests(tests):
3724
apply_scenarios(test, scenarios, result)
3728
def apply_scenarios(test, scenarios, result):
3729
"""Apply the scenarios in scenarios to test and add to result.
3731
:param test: The test to apply scenarios to.
3732
:param scenarios: An iterable of scenarios to apply to test.
3734
:seealso: apply_scenario
3736
for scenario in scenarios:
3737
result.addTest(apply_scenario(test, scenario))
3741
def apply_scenario(test, scenario):
3742
"""Copy test and apply scenario to it.
3744
:param test: A test to adapt.
3745
:param scenario: A tuple describing the scenarion.
3746
The first element of the tuple is the new test id.
3747
The second element is a dict containing attributes to set on the
3749
:return: The adapted test.
3751
new_id = "%s(%s)" % (test.id(), scenario[0])
3752
new_test = clone_test(test, new_id)
3753
for name, value in scenario[1].items():
3754
setattr(new_test, name, value)
3758
def clone_test(test, new_id):
3759
"""Clone a test giving it a new id.
3761
:param test: The test to clone.
3762
:param new_id: The id to assign to it.
3763
:return: The new test.
3765
from copy import deepcopy
3766
new_test = deepcopy(test)
3767
new_test.id = lambda: new_id
3771
def _rmtree_temp_dir(dirname):
3772
# If LANG=C we probably have created some bogus paths
3773
# which rmtree(unicode) will fail to delete
3774
# so make sure we are using rmtree(str) to delete everything
3775
# except on win32, where rmtree(str) will fail
3776
# since it doesn't have the property of byte-stream paths
3777
# (they are either ascii or mbcs)
3778
if sys.platform == 'win32':
3779
# make sure we are using the unicode win32 api
3780
dirname = unicode(dirname)
3782
dirname = dirname.encode(sys.getfilesystemencoding())
3784
osutils.rmtree(dirname)
3786
if sys.platform == 'win32' and e.errno == errno.EACCES:
3787
sys.stderr.write('Permission denied: '
3788
'unable to remove testing dir '
3790
% (os.path.basename(dirname), e))
3795
class Feature(object):
3796
"""An operating system Feature."""
3799
self._available = None
3801
def available(self):
3802
"""Is the feature available?
3804
:return: True if the feature is available.
3806
if self._available is None:
3807
self._available = self._probe()
3808
return self._available
3811
"""Implement this method in concrete features.
3813
:return: True if the feature is available.
3815
raise NotImplementedError
3818
if getattr(self, 'feature_name', None):
3819
return self.feature_name()
3820
return self.__class__.__name__
3823
class _SymlinkFeature(Feature):
3826
return osutils.has_symlinks()
3828
def feature_name(self):
3831
SymlinkFeature = _SymlinkFeature()
3834
class _HardlinkFeature(Feature):
3837
return osutils.has_hardlinks()
3839
def feature_name(self):
3842
HardlinkFeature = _HardlinkFeature()
3845
class _OsFifoFeature(Feature):
3848
return getattr(os, 'mkfifo', None)
3850
def feature_name(self):
3851
return 'filesystem fifos'
3853
OsFifoFeature = _OsFifoFeature()
3856
class _UnicodeFilenameFeature(Feature):
3857
"""Does the filesystem support Unicode filenames?"""
3861
# Check for character combinations unlikely to be covered by any
3862
# single non-unicode encoding. We use the characters
3863
# - greek small letter alpha (U+03B1) and
3864
# - braille pattern dots-123456 (U+283F).
3865
os.stat(u'\u03b1\u283f')
3866
except UnicodeEncodeError:
3868
except (IOError, OSError):
3869
# The filesystem allows the Unicode filename but the file doesn't
3873
# The filesystem allows the Unicode filename and the file exists,
3877
UnicodeFilenameFeature = _UnicodeFilenameFeature()
3880
def probe_unicode_in_user_encoding():
3881
"""Try to encode several unicode strings to use in unicode-aware tests.
3882
Return first successfull match.
3884
:return: (unicode value, encoded plain string value) or (None, None)
3886
possible_vals = [u'm\xb5', u'\xe1', u'\u0410']
3887
for uni_val in possible_vals:
3889
str_val = uni_val.encode(osutils.get_user_encoding())
3890
except UnicodeEncodeError:
3891
# Try a different character
3894
return uni_val, str_val
3898
def probe_bad_non_ascii(encoding):
3899
"""Try to find [bad] character with code [128..255]
3900
that cannot be decoded to unicode in some encoding.
3901
Return None if all non-ascii characters is valid
3904
for i in xrange(128, 256):
3907
char.decode(encoding)
3908
except UnicodeDecodeError:
3913
class _HTTPSServerFeature(Feature):
3914
"""Some tests want an https Server, check if one is available.
3916
Right now, the only way this is available is under python2.6 which provides
3927
def feature_name(self):
3928
return 'HTTPSServer'
3931
HTTPSServerFeature = _HTTPSServerFeature()
3934
class _UnicodeFilename(Feature):
3935
"""Does the filesystem support Unicode filenames?"""
3940
except UnicodeEncodeError:
3942
except (IOError, OSError):
3943
# The filesystem allows the Unicode filename but the file doesn't
3947
# The filesystem allows the Unicode filename and the file exists,
3951
UnicodeFilename = _UnicodeFilename()
3954
class _UTF8Filesystem(Feature):
3955
"""Is the filesystem UTF-8?"""
3958
if osutils._fs_enc.upper() in ('UTF-8', 'UTF8'):
3962
UTF8Filesystem = _UTF8Filesystem()
3965
class _CaseInsCasePresFilenameFeature(Feature):
3966
"""Is the file-system case insensitive, but case-preserving?"""
3969
fileno, name = tempfile.mkstemp(prefix='MixedCase')
3971
# first check truly case-preserving for created files, then check
3972
# case insensitive when opening existing files.
3973
name = osutils.normpath(name)
3974
base, rel = osutils.split(name)
3975
found_rel = osutils.canonical_relpath(base, name)
3976
return (found_rel == rel
3977
and os.path.isfile(name.upper())
3978
and os.path.isfile(name.lower()))
3983
def feature_name(self):
3984
return "case-insensitive case-preserving filesystem"
3986
CaseInsCasePresFilenameFeature = _CaseInsCasePresFilenameFeature()
3989
class _CaseInsensitiveFilesystemFeature(Feature):
3990
"""Check if underlying filesystem is case-insensitive but *not* case
3993
# Note that on Windows, Cygwin, MacOS etc, the file-systems are far
3994
# more likely to be case preserving, so this case is rare.
3997
if CaseInsCasePresFilenameFeature.available():
4000
if TestCaseWithMemoryTransport.TEST_ROOT is None:
4001
root = osutils.mkdtemp(prefix='testbzr-', suffix='.tmp')
4002
TestCaseWithMemoryTransport.TEST_ROOT = root
4004
root = TestCaseWithMemoryTransport.TEST_ROOT
4005
tdir = osutils.mkdtemp(prefix='case-sensitive-probe-', suffix='',
4007
name_a = osutils.pathjoin(tdir, 'a')
4008
name_A = osutils.pathjoin(tdir, 'A')
4010
result = osutils.isdir(name_A)
4011
_rmtree_temp_dir(tdir)
4014
def feature_name(self):
4015
return 'case-insensitive filesystem'
4017
CaseInsensitiveFilesystemFeature = _CaseInsensitiveFilesystemFeature()
4020
class _SubUnitFeature(Feature):
4021
"""Check if subunit is available."""
4030
def feature_name(self):
4033
SubUnitFeature = _SubUnitFeature()
4034
# Only define SubUnitBzrRunner if subunit is available.
4036
from subunit import TestProtocolClient
4038
from subunit.test_results import AutoTimingTestResultDecorator
4040
AutoTimingTestResultDecorator = lambda x:x
4041
class SubUnitBzrRunner(TextTestRunner):
4042
def run(self, test):
4043
result = AutoTimingTestResultDecorator(
4044
TestProtocolClient(self.stream))
added
removed
bzrlib/tests/__init__.py
