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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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# 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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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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import bzrlib.trace
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MODULES_TO_DOCTEST = []
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from logging import debug, warning, error
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from bzrlib.transport import get_transport, pathfilter
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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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def stopTestRun(self):
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stopTime = time.time()
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timeTaken = stopTime - self.startTime
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self.stream.writeln(self.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 self.wasSuccessful():
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self.stream.write("FAILED (")
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failed, errored = map(len, (self.failures, self.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 self.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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self.known_failure_count)
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self.stream.writeln(")")
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if self.known_failure_count:
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self.stream.writeln("OK (known_failures=%d)" %
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self.known_failure_count)
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self.stream.writeln("OK")
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if self.skip_count > 0:
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skipped = self.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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for feature, count in sorted(self.unsupported.items()):
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self.stream.writeln("Missing feature '%s' skipped %d tests." %
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ok = self.wasStrictlySuccessful()
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ok = self.wasSuccessful()
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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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# We don't report the main thread as an active one.
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'%d non-main threads were left active in the end.\n'
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% (TestCase._active_threads - 1))
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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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if getattr(sys, 'frozen', None) is None:
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bzr_path = osutils.realpath(sys.argv[0])
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bzr_path = sys.executable
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'testing: %s\n' % (bzr_path,))
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bzrlib.__path__[0],))
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' bzr-%s python-%s %s\n' % (
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bzrlib.version_string,
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bzrlib._format_version_tuple(sys.version_info),
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platform.platform(aliased=1),
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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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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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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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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 addExpectedFailure(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 requireFeature)
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# UnavailableFeature. Alternatively this method can be called
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# while probing for features before running the test code proper; in
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# that case we will see startTest and stopTest, but the test will
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# never actually run.
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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, reason):
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self.not_applicable_count += 1
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self.report_not_applicable(test, reason)
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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 _post_mortem(self):
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"""Start a PDB post mortem session."""
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if os.environ.get('BZR_TEST_PDB', None):
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import pdb;pdb.post_mortem()
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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 startTestRun(self):
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self.startTime = time.time()
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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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def stopTestRun(self):
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# called when the tests that are going to run have run
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super(TextTestResult, self).stopTestRun()
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def startTestRun(self):
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super(TextTestResult, self).startTestRun()
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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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# if self.unsupported:
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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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ui.ui_factory.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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ui.ui_factory.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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ui.ui_factory.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, reason):
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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 startTestRun(self):
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super(VerboseTestResult, self).startTestRun()
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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 = osutils.terminal_width()
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if width is not None:
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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
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self.stream.write(self._ellipsize_to_right(name, width-18))
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self.stream.write(name)
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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, reason):
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self.stream.writeln(' N/A %s\n %s'
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% (self._testTimeString(test), reason))
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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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result_decorators=None,
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"""Create a TextTestRunner.
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:param result_decorators: An optional list of decorators to apply
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to the result object being used by the runner. Decorators are
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applied left to right - the first element in the list is the
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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._strict = strict
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self._result_decorators = result_decorators or []
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"Run the given test case or test suite."
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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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original_result = result_class(self.stream,
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bench_history=self._bench_history,
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# Signal to result objects that look at stop early policy to stop,
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original_result.stop_early = self.stop_on_failure
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result = original_result
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for decorator in self._result_decorators:
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result = decorator(result)
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result.stop_early = self.stop_on_failure
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if isinstance(test, testtools.ConcurrentTestSuite):
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# We need to catch bzr specific behaviors
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result = BZRTransformingResult(result)
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result.startTestRun()
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# higher level code uses our extended protocol to determine
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# what exit code to give.
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return original_result
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def iter_suite_tests(suite):
651
"""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):
687
"""A feature required for this test was not available.
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This can be considered a specialised form of SkippedTest.
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The feature should be used to construct the exception.
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695
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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765
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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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().
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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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777
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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routine, and to build and check bzr trees.
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In addition to the usual method of overriding tearDown(), this class also
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allows subclasses to register functions into the _cleanups list, which is
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run in order as the object is torn down. It's less likely this will be
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accidentally overlooked.
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_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
794
attrs_to_keep = ('id', '_testMethodName', '_testMethodDoc',
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'_log_contents', '_log_file_name', '_benchtime',
796
'_TestCase__testMethodName', '_TestCase__testMethodDoc',)
798
def __init__(self, methodName='testMethod'):
799
super(TestCase, self).__init__(methodName)
801
self._bzr_test_setUp_run = False
802
self._bzr_test_tearDown_run = False
803
self._directory_isolation = True
58
# this replaces the default testsweet.TestCase; we don't want logging changed
59
806
unittest.TestCase.setUp(self)
60
bzrlib.trace.disable_default_logging()
61
self._enable_file_logging()
64
def _enable_file_logging(self):
807
self._bzr_test_setUp_run = True
808
self._cleanEnvironment()
811
self._benchcalls = []
812
self._benchtime = None
814
self._track_transports()
816
self._clear_debug_flags()
817
TestCase._active_threads = threading.activeCount()
818
self.addCleanup(self._check_leaked_threads)
823
pdb.Pdb().set_trace(sys._getframe().f_back)
825
def _check_leaked_threads(self):
826
active = threading.activeCount()
827
leaked_threads = active - TestCase._active_threads
828
TestCase._active_threads = active
829
# If some tests make the number of threads *decrease*, we'll consider
830
# that they are just observing old threads dieing, not agressively kill
831
# random threads. So we don't report these tests as leaking. The risk
832
# is that we have false positives that way (the test see 2 threads
833
# going away but leak one) but it seems less likely than the actual
834
# false positives (the test see threads going away and does not leak).
835
if leaked_threads > 0:
836
TestCase._leaking_threads_tests += 1
837
if TestCase._first_thread_leaker_id is None:
838
TestCase._first_thread_leaker_id = self.id()
840
def _clear_debug_flags(self):
841
"""Prevent externally set debug flags affecting tests.
843
Tests that want to use debug flags can just set them in the
844
debug_flags set during setup/teardown.
846
self._preserved_debug_flags = set(debug.debug_flags)
847
if 'allow_debug' not in selftest_debug_flags:
848
debug.debug_flags.clear()
849
if 'disable_lock_checks' not in selftest_debug_flags:
850
debug.debug_flags.add('strict_locks')
851
self.addCleanup(self._restore_debug_flags)
853
def _clear_hooks(self):
854
# prevent hooks affecting tests
855
self._preserved_hooks = {}
856
for key, factory in hooks.known_hooks.items():
857
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
858
current_hooks = hooks.known_hooks_key_to_object(key)
859
self._preserved_hooks[parent] = (name, current_hooks)
860
self.addCleanup(self._restoreHooks)
861
for key, factory in hooks.known_hooks.items():
862
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
863
setattr(parent, name, factory())
864
# this hook should always be installed
865
request._install_hook()
867
def disable_directory_isolation(self):
868
"""Turn off directory isolation checks."""
869
self._directory_isolation = False
871
def enable_directory_isolation(self):
872
"""Enable directory isolation checks."""
873
self._directory_isolation = True
875
def _silenceUI(self):
876
"""Turn off UI for duration of test"""
877
# by default the UI is off; tests can turn it on if they want it.
878
saved = ui.ui_factory
880
ui.ui_factory = saved
881
ui.ui_factory = ui.SilentUIFactory()
882
self.addCleanup(_restore)
884
def _check_locks(self):
885
"""Check that all lock take/release actions have been paired."""
886
# We always check for mismatched locks. If a mismatch is found, we
887
# fail unless -Edisable_lock_checks is supplied to selftest, in which
888
# case we just print a warning.
890
acquired_locks = [lock for action, lock in self._lock_actions
891
if action == 'acquired']
892
released_locks = [lock for action, lock in self._lock_actions
893
if action == 'released']
894
broken_locks = [lock for action, lock in self._lock_actions
895
if action == 'broken']
896
# trivially, given the tests for lock acquistion and release, if we
897
# have as many in each list, it should be ok. Some lock tests also
898
# break some locks on purpose and should be taken into account by
899
# considering that breaking a lock is just a dirty way of releasing it.
900
if len(acquired_locks) != (len(released_locks) + len(broken_locks)):
901
message = ('Different number of acquired and '
902
'released or broken locks. (%s, %s + %s)' %
903
(acquired_locks, released_locks, broken_locks))
904
if not self._lock_check_thorough:
905
# Rather than fail, just warn
906
print "Broken test %s: %s" % (self, message)
910
def _track_locks(self):
911
"""Track lock activity during tests."""
912
self._lock_actions = []
913
if 'disable_lock_checks' in selftest_debug_flags:
914
self._lock_check_thorough = False
916
self._lock_check_thorough = True
918
self.addCleanup(self._check_locks)
919
_mod_lock.Lock.hooks.install_named_hook('lock_acquired',
920
self._lock_acquired, None)
921
_mod_lock.Lock.hooks.install_named_hook('lock_released',
922
self._lock_released, None)
923
_mod_lock.Lock.hooks.install_named_hook('lock_broken',
924
self._lock_broken, None)
926
def _lock_acquired(self, result):
927
self._lock_actions.append(('acquired', result))
929
def _lock_released(self, result):
930
self._lock_actions.append(('released', result))
932
def _lock_broken(self, result):
933
self._lock_actions.append(('broken', result))
935
def permit_dir(self, name):
936
"""Permit a directory to be used by this test. See permit_url."""
937
name_transport = get_transport(name)
938
self.permit_url(name)
939
self.permit_url(name_transport.base)
941
def permit_url(self, url):
942
"""Declare that url is an ok url to use in this test.
944
Do this for memory transports, temporary test directory etc.
946
Do not do this for the current working directory, /tmp, or any other
947
preexisting non isolated url.
949
if not url.endswith('/'):
951
self._bzr_selftest_roots.append(url)
953
def permit_source_tree_branch_repo(self):
954
"""Permit the source tree bzr is running from to be opened.
956
Some code such as bzrlib.version attempts to read from the bzr branch
957
that bzr is executing from (if any). This method permits that directory
958
to be used in the test suite.
960
path = self.get_source_path()
961
self.record_directory_isolation()
964
workingtree.WorkingTree.open(path)
965
except (errors.NotBranchError, errors.NoWorkingTree):
968
self.enable_directory_isolation()
970
def _preopen_isolate_transport(self, transport):
971
"""Check that all transport openings are done in the test work area."""
972
while isinstance(transport, pathfilter.PathFilteringTransport):
973
# Unwrap pathfiltered transports
974
transport = transport.server.backing_transport.clone(
975
transport._filter('.'))
977
# ReadonlySmartTCPServer_for_testing decorates the backing transport
978
# urls it is given by prepending readonly+. This is appropriate as the
979
# client shouldn't know that the server is readonly (or not readonly).
980
# We could register all servers twice, with readonly+ prepending, but
981
# that makes for a long list; this is about the same but easier to
983
if url.startswith('readonly+'):
984
url = url[len('readonly+'):]
985
self._preopen_isolate_url(url)
987
def _preopen_isolate_url(self, url):
988
if not self._directory_isolation:
990
if self._directory_isolation == 'record':
991
self._bzr_selftest_roots.append(url)
993
# This prevents all transports, including e.g. sftp ones backed on disk
994
# from working unless they are explicitly granted permission. We then
995
# depend on the code that sets up test transports to check that they are
996
# appropriately isolated and enable their use by calling
997
# self.permit_transport()
998
if not osutils.is_inside_any(self._bzr_selftest_roots, url):
999
raise errors.BzrError("Attempt to escape test isolation: %r %r"
1000
% (url, self._bzr_selftest_roots))
1002
def record_directory_isolation(self):
1003
"""Gather accessed directories to permit later access.
1005
This is used for tests that access the branch bzr is running from.
1007
self._directory_isolation = "record"
1009
def start_server(self, transport_server, backing_server=None):
1010
"""Start transport_server for this test.
1012
This starts the server, registers a cleanup for it and permits the
1013
server's urls to be used.
1015
if backing_server is None:
1016
transport_server.setUp()
1018
transport_server.setUp(backing_server)
1019
self.addCleanup(transport_server.tearDown)
1020
# Obtain a real transport because if the server supplies a password, it
1021
# will be hidden from the base on the client side.
1022
t = get_transport(transport_server.get_url())
1023
# Some transport servers effectively chroot the backing transport;
1024
# others like SFTPServer don't - users of the transport can walk up the
1025
# transport to read the entire backing transport. This wouldn't matter
1026
# except that the workdir tests are given - and that they expect the
1027
# server's url to point at - is one directory under the safety net. So
1028
# Branch operations into the transport will attempt to walk up one
1029
# directory. Chrooting all servers would avoid this but also mean that
1030
# we wouldn't be testing directly against non-root urls. Alternatively
1031
# getting the test framework to start the server with a backing server
1032
# at the actual safety net directory would work too, but this then
1033
# means that the self.get_url/self.get_transport methods would need
1034
# to transform all their results. On balance its cleaner to handle it
1035
# here, and permit a higher url when we have one of these transports.
1036
if t.base.endswith('/work/'):
1037
# we have safety net/test root/work
1038
t = t.clone('../..')
1039
elif isinstance(transport_server, server.SmartTCPServer_for_testing):
1040
# The smart server adds a path similar to work, which is traversed
1041
# up from by the client. But the server is chrooted - the actual
1042
# backing transport is not escaped from, and VFS requests to the
1043
# root will error (because they try to escape the chroot).
1045
while t2.base != t.base:
1048
self.permit_url(t.base)
1050
def _track_transports(self):
1051
"""Install checks for transport usage."""
1052
# TestCase has no safe place it can write to.
1053
self._bzr_selftest_roots = []
1054
# Currently the easiest way to be sure that nothing is going on is to
1055
# hook into bzr dir opening. This leaves a small window of error for
1056
# transport tests, but they are well known, and we can improve on this
1058
bzrdir.BzrDir.hooks.install_named_hook("pre_open",
1059
self._preopen_isolate_transport, "Check bzr directories are safe.")
1061
def _ndiff_strings(self, a, b):
1062
"""Return ndiff between two strings containing lines.
1064
A trailing newline is added if missing to make the strings
1066
if b and b[-1] != '\n':
1068
if a and a[-1] != '\n':
1070
difflines = difflib.ndiff(a.splitlines(True),
1072
linejunk=lambda x: False,
1073
charjunk=lambda x: False)
1074
return ''.join(difflines)
1076
def assertEqual(self, a, b, message=''):
1080
except UnicodeError, e:
1081
# If we can't compare without getting a UnicodeError, then
1082
# obviously they are different
1083
mutter('UnicodeError: %s', e)
1086
raise AssertionError("%snot equal:\na = %s\nb = %s\n"
1088
pformat(a), pformat(b)))
1090
assertEquals = assertEqual
1092
def assertEqualDiff(self, a, b, message=None):
1093
"""Assert two texts are equal, if not raise an exception.
1095
This is intended for use with multi-line strings where it can
1096
be hard to find the differences by eye.
1098
# TODO: perhaps override assertEquals to call this for strings?
1102
message = "texts not equal:\n"
1104
message = 'first string is missing a final newline.\n'
1106
message = 'second string is missing a final newline.\n'
1107
raise AssertionError(message +
1108
self._ndiff_strings(a, b))
1110
def assertEqualMode(self, mode, mode_test):
1111
self.assertEqual(mode, mode_test,
1112
'mode mismatch %o != %o' % (mode, mode_test))
1114
def assertEqualStat(self, expected, actual):
1115
"""assert that expected and actual are the same stat result.
1117
:param expected: A stat result.
1118
:param actual: A stat result.
1119
:raises AssertionError: If the expected and actual stat values differ
1120
other than by atime.
1122
self.assertEqual(expected.st_size, actual.st_size,
1123
'st_size did not match')
1124
self.assertEqual(expected.st_mtime, actual.st_mtime,
1125
'st_mtime did not match')
1126
self.assertEqual(expected.st_ctime, actual.st_ctime,
1127
'st_ctime did not match')
1128
if sys.platform != 'win32':
1129
# On Win32 both 'dev' and 'ino' cannot be trusted. In python2.4 it
1130
# is 'dev' that varies, in python 2.5 (6?) it is st_ino that is
1131
# odd. Regardless we shouldn't actually try to assert anything
1132
# about their values
1133
self.assertEqual(expected.st_dev, actual.st_dev,
1134
'st_dev did not match')
1135
self.assertEqual(expected.st_ino, actual.st_ino,
1136
'st_ino did not match')
1137
self.assertEqual(expected.st_mode, actual.st_mode,
1138
'st_mode did not match')
1140
def assertLength(self, length, obj_with_len):
1141
"""Assert that obj_with_len is of length length."""
1142
if len(obj_with_len) != length:
1143
self.fail("Incorrect length: wanted %d, got %d for %r" % (
1144
length, len(obj_with_len), obj_with_len))
1146
def assertLogsError(self, exception_class, func, *args, **kwargs):
1147
"""Assert that func(*args, **kwargs) quietly logs a specific exception.
1149
from bzrlib import trace
1151
orig_log_exception_quietly = trace.log_exception_quietly
1154
orig_log_exception_quietly()
1155
captured.append(sys.exc_info())
1156
trace.log_exception_quietly = capture
1157
func(*args, **kwargs)
1159
trace.log_exception_quietly = orig_log_exception_quietly
1160
self.assertLength(1, captured)
1161
err = captured[0][1]
1162
self.assertIsInstance(err, exception_class)
1165
def assertPositive(self, val):
1166
"""Assert that val is greater than 0."""
1167
self.assertTrue(val > 0, 'expected a positive value, but got %s' % val)
1169
def assertNegative(self, val):
1170
"""Assert that val is less than 0."""
1171
self.assertTrue(val < 0, 'expected a negative value, but got %s' % val)
1173
def assertStartsWith(self, s, prefix):
1174
if not s.startswith(prefix):
1175
raise AssertionError('string %r does not start with %r' % (s, prefix))
1177
def assertEndsWith(self, s, suffix):
1178
"""Asserts that s ends with suffix."""
1179
if not s.endswith(suffix):
1180
raise AssertionError('string %r does not end with %r' % (s, suffix))
1182
def assertContainsRe(self, haystack, needle_re, flags=0):
1183
"""Assert that a contains something matching a regular expression."""
1184
if not re.search(needle_re, haystack, flags):
1185
if '\n' in haystack or len(haystack) > 60:
1186
# a long string, format it in a more readable way
1187
raise AssertionError(
1188
'pattern "%s" not found in\n"""\\\n%s"""\n'
1189
% (needle_re, haystack))
1191
raise AssertionError('pattern "%s" not found in "%s"'
1192
% (needle_re, haystack))
1194
def assertNotContainsRe(self, haystack, needle_re, flags=0):
1195
"""Assert that a does not match a regular expression"""
1196
if re.search(needle_re, haystack, flags):
1197
raise AssertionError('pattern "%s" found in "%s"'
1198
% (needle_re, haystack))
1200
def assertSubset(self, sublist, superlist):
1201
"""Assert that every entry in sublist is present in superlist."""
1202
missing = set(sublist) - set(superlist)
1203
if len(missing) > 0:
1204
raise AssertionError("value(s) %r not present in container %r" %
1205
(missing, superlist))
1207
def assertListRaises(self, excClass, func, *args, **kwargs):
1208
"""Fail unless excClass is raised when the iterator from func is used.
1210
Many functions can return generators this makes sure
1211
to wrap them in a list() call to make sure the whole generator
1212
is run, and that the proper exception is raised.
1215
list(func(*args, **kwargs))
1219
if getattr(excClass,'__name__', None) is not None:
1220
excName = excClass.__name__
1222
excName = str(excClass)
1223
raise self.failureException, "%s not raised" % excName
1225
def assertRaises(self, excClass, callableObj, *args, **kwargs):
1226
"""Assert that a callable raises a particular exception.
1228
:param excClass: As for the except statement, this may be either an
1229
exception class, or a tuple of classes.
1230
:param callableObj: A callable, will be passed ``*args`` and
1233
Returns the exception so that you can examine it.
1236
callableObj(*args, **kwargs)
1240
if getattr(excClass,'__name__', None) is not None:
1241
excName = excClass.__name__
1244
excName = str(excClass)
1245
raise self.failureException, "%s not raised" % excName
1247
def assertIs(self, left, right, message=None):
1248
if not (left is right):
1249
if message is not None:
1250
raise AssertionError(message)
1252
raise AssertionError("%r is not %r." % (left, right))
1254
def assertIsNot(self, left, right, message=None):
1256
if message is not None:
1257
raise AssertionError(message)
1259
raise AssertionError("%r is %r." % (left, right))
1261
def assertTransportMode(self, transport, path, mode):
1262
"""Fail if a path does not have mode "mode".
1264
If modes are not supported on this transport, the assertion is ignored.
1266
if not transport._can_roundtrip_unix_modebits():
1268
path_stat = transport.stat(path)
1269
actual_mode = stat.S_IMODE(path_stat.st_mode)
1270
self.assertEqual(mode, actual_mode,
1271
'mode of %r incorrect (%s != %s)'
1272
% (path, oct(mode), oct(actual_mode)))
1274
def assertIsSameRealPath(self, path1, path2):
1275
"""Fail if path1 and path2 points to different files"""
1276
self.assertEqual(osutils.realpath(path1),
1277
osutils.realpath(path2),
1278
"apparent paths:\na = %s\nb = %s\n," % (path1, path2))
1280
def assertIsInstance(self, obj, kls, msg=None):
1281
"""Fail if obj is not an instance of kls
1283
:param msg: Supplementary message to show if the assertion fails.
1285
if not isinstance(obj, kls):
1286
m = "%r is an instance of %s rather than %s" % (
1287
obj, obj.__class__, kls)
1292
def expectFailure(self, reason, assertion, *args, **kwargs):
1293
"""Invoke a test, expecting it to fail for the given reason.
1295
This is for assertions that ought to succeed, but currently fail.
1296
(The failure is *expected* but not *wanted*.) Please be very precise
1297
about the failure you're expecting. If a new bug is introduced,
1298
AssertionError should be raised, not KnownFailure.
1300
Frequently, expectFailure should be followed by an opposite assertion.
1303
Intended to be used with a callable that raises AssertionError as the
1304
'assertion' parameter. args and kwargs are passed to the 'assertion'.
1306
Raises KnownFailure if the test fails. Raises AssertionError if the
1311
self.expectFailure('Math is broken', self.assertNotEqual, 54,
1313
self.assertEqual(42, dynamic_val)
1315
This means that a dynamic_val of 54 will cause the test to raise
1316
a KnownFailure. Once math is fixed and the expectFailure is removed,
1317
only a dynamic_val of 42 will allow the test to pass. Anything other
1318
than 54 or 42 will cause an AssertionError.
1321
assertion(*args, **kwargs)
1322
except AssertionError:
1323
raise KnownFailure(reason)
1325
self.fail('Unexpected success. Should have failed: %s' % reason)
1327
def assertFileEqual(self, content, path):
1328
"""Fail if path does not contain 'content'."""
1329
self.failUnlessExists(path)
1330
f = file(path, 'rb')
1335
self.assertEqualDiff(content, s)
1337
def failUnlessExists(self, path):
1338
"""Fail unless path or paths, which may be abs or relative, exist."""
1339
if not isinstance(path, basestring):
1341
self.failUnlessExists(p)
1343
self.failUnless(osutils.lexists(path),path+" does not exist")
1345
def failIfExists(self, path):
1346
"""Fail if path or paths, which may be abs or relative, exist."""
1347
if not isinstance(path, basestring):
1349
self.failIfExists(p)
1351
self.failIf(osutils.lexists(path),path+" exists")
1353
def _capture_deprecation_warnings(self, a_callable, *args, **kwargs):
1354
"""A helper for callDeprecated and applyDeprecated.
1356
:param a_callable: A callable to call.
1357
:param args: The positional arguments for the callable
1358
:param kwargs: The keyword arguments for the callable
1359
:return: A tuple (warnings, result). result is the result of calling
1360
a_callable(``*args``, ``**kwargs``).
1363
def capture_warnings(msg, cls=None, stacklevel=None):
1364
# we've hooked into a deprecation specific callpath,
1365
# only deprecations should getting sent via it.
1366
self.assertEqual(cls, DeprecationWarning)
1367
local_warnings.append(msg)
1368
original_warning_method = symbol_versioning.warn
1369
symbol_versioning.set_warning_method(capture_warnings)
1371
result = a_callable(*args, **kwargs)
1373
symbol_versioning.set_warning_method(original_warning_method)
1374
return (local_warnings, result)
1376
def applyDeprecated(self, deprecation_format, a_callable, *args, **kwargs):
1377
"""Call a deprecated callable without warning the user.
1379
Note that this only captures warnings raised by symbol_versioning.warn,
1380
not other callers that go direct to the warning module.
1382
To test that a deprecated method raises an error, do something like
1385
self.assertRaises(errors.ReservedId,
1386
self.applyDeprecated,
1387
deprecated_in((1, 5, 0)),
1391
:param deprecation_format: The deprecation format that the callable
1392
should have been deprecated with. This is the same type as the
1393
parameter to deprecated_method/deprecated_function. If the
1394
callable is not deprecated with this format, an assertion error
1396
:param a_callable: A callable to call. This may be a bound method or
1397
a regular function. It will be called with ``*args`` and
1399
:param args: The positional arguments for the callable
1400
:param kwargs: The keyword arguments for the callable
1401
:return: The result of a_callable(``*args``, ``**kwargs``)
1403
call_warnings, result = self._capture_deprecation_warnings(a_callable,
1405
expected_first_warning = symbol_versioning.deprecation_string(
1406
a_callable, deprecation_format)
1407
if len(call_warnings) == 0:
1408
self.fail("No deprecation warning generated by call to %s" %
1410
self.assertEqual(expected_first_warning, call_warnings[0])
1413
def callCatchWarnings(self, fn, *args, **kw):
1414
"""Call a callable that raises python warnings.
1416
The caller's responsible for examining the returned warnings.
1418
If the callable raises an exception, the exception is not
1419
caught and propagates up to the caller. In that case, the list
1420
of warnings is not available.
1422
:returns: ([warning_object, ...], fn_result)
1424
# XXX: This is not perfect, because it completely overrides the
1425
# warnings filters, and some code may depend on suppressing particular
1426
# warnings. It's the easiest way to insulate ourselves from -Werror,
1427
# though. -- Andrew, 20071062
1429
def _catcher(message, category, filename, lineno, file=None, line=None):
1430
# despite the name, 'message' is normally(?) a Warning subclass
1432
wlist.append(message)
1433
saved_showwarning = warnings.showwarning
1434
saved_filters = warnings.filters
1436
warnings.showwarning = _catcher
1437
warnings.filters = []
1438
result = fn(*args, **kw)
1440
warnings.showwarning = saved_showwarning
1441
warnings.filters = saved_filters
1442
return wlist, result
1444
def callDeprecated(self, expected, callable, *args, **kwargs):
1445
"""Assert that a callable is deprecated in a particular way.
1447
This is a very precise test for unusual requirements. The
1448
applyDeprecated helper function is probably more suited for most tests
1449
as it allows you to simply specify the deprecation format being used
1450
and will ensure that that is issued for the function being called.
1452
Note that this only captures warnings raised by symbol_versioning.warn,
1453
not other callers that go direct to the warning module. To catch
1454
general warnings, use callCatchWarnings.
1456
:param expected: a list of the deprecation warnings expected, in order
1457
:param callable: The callable to call
1458
:param args: The positional arguments for the callable
1459
:param kwargs: The keyword arguments for the callable
1461
call_warnings, result = self._capture_deprecation_warnings(callable,
1463
self.assertEqual(expected, call_warnings)
1466
def _startLogFile(self):
1467
"""Send bzr and test log messages to a temporary file.
1469
The file is removed as the test is torn down.
65
1471
fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
67
1472
self._log_file = os.fdopen(fileno, 'w+')
69
hdlr = logging.StreamHandler(self._log_file)
70
hdlr.setLevel(logging.DEBUG)
71
hdlr.setFormatter(logging.Formatter('%(levelname)8s %(message)s'))
72
logging.getLogger('').addHandler(hdlr)
73
logging.getLogger('').setLevel(logging.DEBUG)
75
debug('opened log file %s', name)
1473
self._log_memento = bzrlib.trace.push_log_file(self._log_file)
77
1474
self._log_file_name = name
81
logging.getLogger('').removeHandler(self._log_hdlr)
82
bzrlib.trace.enable_default_logging()
83
logging.debug('%s teardown', self.id())
1475
self.addCleanup(self._finishLogFile)
1477
def _finishLogFile(self):
1478
"""Finished with the log file.
1480
Close the file and delete it, unless setKeepLogfile was called.
1482
if self._log_file is None:
1484
bzrlib.trace.pop_log_file(self._log_memento)
84
1485
self._log_file.close()
1486
self._log_file = None
1487
if not self._keep_log_file:
1488
os.remove(self._log_file_name)
1489
self._log_file_name = None
1491
def setKeepLogfile(self):
1492
"""Make the logfile not be deleted when _finishLogFile is called."""
1493
self._keep_log_file = True
1495
def thisFailsStrictLockCheck(self):
1496
"""It is known that this test would fail with -Dstrict_locks.
1498
By default, all tests are run with strict lock checking unless
1499
-Edisable_lock_checks is supplied. However there are some tests which
1500
we know fail strict locks at this point that have not been fixed.
1501
They should call this function to disable the strict checking.
1503
This should be used sparingly, it is much better to fix the locking
1504
issues rather than papering over the problem by calling this function.
1506
debug.debug_flags.discard('strict_locks')
1508
def addCleanup(self, callable, *args, **kwargs):
1509
"""Arrange to run a callable when this case is torn down.
1511
Callables are run in the reverse of the order they are registered,
1512
ie last-in first-out.
1514
self._cleanups.append((callable, args, kwargs))
1516
def _cleanEnvironment(self):
1518
'BZR_HOME': None, # Don't inherit BZR_HOME to all the tests.
1519
'HOME': os.getcwd(),
1520
# bzr now uses the Win32 API and doesn't rely on APPDATA, but the
1521
# tests do check our impls match APPDATA
1522
'BZR_EDITOR': None, # test_msgeditor manipulates this variable
1526
'BZREMAIL': None, # may still be present in the environment
1528
'BZR_PROGRESS_BAR': None,
1530
'BZR_PLUGIN_PATH': None,
1531
'BZR_CONCURRENCY': None,
1532
# Make sure that any text ui tests are consistent regardless of
1533
# the environment the test case is run in; you may want tests that
1534
# test other combinations. 'dumb' is a reasonable guess for tests
1535
# going to a pipe or a StringIO.
1539
'BZR_COLUMNS': '80',
1541
'SSH_AUTH_SOCK': None,
1545
'https_proxy': None,
1546
'HTTPS_PROXY': None,
1551
# Nobody cares about ftp_proxy, FTP_PROXY AFAIK. So far at
1552
# least. If you do (care), please update this comment
1556
'BZR_REMOTE_PATH': None,
1559
self.addCleanup(self._restoreEnvironment)
1560
for name, value in new_env.iteritems():
1561
self._captureVar(name, value)
1563
def _captureVar(self, name, newvalue):
1564
"""Set an environment variable, and reset it when finished."""
1565
self.__old_env[name] = osutils.set_or_unset_env(name, newvalue)
1567
def _restore_debug_flags(self):
1568
debug.debug_flags.clear()
1569
debug.debug_flags.update(self._preserved_debug_flags)
1571
def _restoreEnvironment(self):
1572
for name, value in self.__old_env.iteritems():
1573
osutils.set_or_unset_env(name, value)
1575
def _restoreHooks(self):
1576
for klass, (name, hooks) in self._preserved_hooks.items():
1577
setattr(klass, name, hooks)
1579
def knownFailure(self, reason):
1580
"""This test has failed for some known reason."""
1581
raise KnownFailure(reason)
1583
def _do_skip(self, result, reason):
1584
addSkip = getattr(result, 'addSkip', None)
1585
if not callable(addSkip):
1586
result.addSuccess(result)
1588
addSkip(self, reason)
1590
def _do_known_failure(self, result):
1591
err = sys.exc_info()
1592
addExpectedFailure = getattr(result, 'addExpectedFailure', None)
1593
if addExpectedFailure is not None:
1594
addExpectedFailure(self, err)
1596
result.addSuccess(self)
1598
def _do_not_applicable(self, result, e):
1600
reason = 'No reason given'
1603
addNotApplicable = getattr(result, 'addNotApplicable', None)
1604
if addNotApplicable is not None:
1605
result.addNotApplicable(self, reason)
1607
self._do_skip(result, reason)
1609
def _do_unsupported_or_skip(self, result, reason):
1610
addNotSupported = getattr(result, 'addNotSupported', None)
1611
if addNotSupported is not None:
1612
result.addNotSupported(self, reason)
1614
self._do_skip(result, reason)
1616
def run(self, result=None):
1617
if result is None: result = self.defaultTestResult()
1618
result.startTest(self)
1623
result.stopTest(self)
1625
def _run(self, result):
1626
for feature in getattr(self, '_test_needs_features', []):
1627
if not feature.available():
1628
return self._do_unsupported_or_skip(result, feature)
1630
absent_attr = object()
1632
method_name = getattr(self, '_testMethodName', absent_attr)
1633
if method_name is absent_attr:
1635
method_name = getattr(self, '_TestCase__testMethodName')
1636
testMethod = getattr(self, method_name)
1640
if not self._bzr_test_setUp_run:
1642
"test setUp did not invoke "
1643
"bzrlib.tests.TestCase's setUp")
1644
except KeyboardInterrupt:
1647
except KnownFailure:
1648
self._do_known_failure(result)
1651
except TestNotApplicable, e:
1652
self._do_not_applicable(result, e)
1655
except TestSkipped, e:
1656
self._do_skip(result, e.args[0])
1659
except UnavailableFeature, e:
1660
self._do_unsupported_or_skip(result, e.args[0])
1664
result.addError(self, sys.exc_info())
1672
except KnownFailure:
1673
self._do_known_failure(result)
1674
except self.failureException:
1675
result.addFailure(self, sys.exc_info())
1676
except TestNotApplicable, e:
1677
self._do_not_applicable(result, e)
1678
except TestSkipped, e:
1680
reason = "No reason given."
1683
self._do_skip(result, reason)
1684
except UnavailableFeature, e:
1685
self._do_unsupported_or_skip(result, e.args[0])
1686
except KeyboardInterrupt:
1690
result.addError(self, sys.exc_info())
1694
if not self._bzr_test_tearDown_run:
1696
"test tearDown did not invoke "
1697
"bzrlib.tests.TestCase's tearDown")
1698
except KeyboardInterrupt:
1702
result.addError(self, sys.exc_info())
1705
if ok: result.addSuccess(self)
1707
except KeyboardInterrupt:
1712
for attr_name in self.attrs_to_keep:
1713
if attr_name in self.__dict__:
1714
saved_attrs[attr_name] = self.__dict__[attr_name]
1715
self.__dict__ = saved_attrs
1719
self._log_contents = ''
1720
self._bzr_test_tearDown_run = True
85
1721
unittest.TestCase.tearDown(self)
1723
def time(self, callable, *args, **kwargs):
1724
"""Run callable and accrue the time it takes to the benchmark time.
1726
If lsprofiling is enabled (i.e. by --lsprof-time to bzr selftest) then
1727
this will cause lsprofile statistics to be gathered and stored in
1730
if self._benchtime is None:
1734
if not self._gather_lsprof_in_benchmarks:
1735
return callable(*args, **kwargs)
1737
# record this benchmark
1738
ret, stats = bzrlib.lsprof.profile(callable, *args, **kwargs)
1740
self._benchcalls.append(((callable, args, kwargs), stats))
1743
self._benchtime += time.time() - start
1745
def _runCleanups(self):
1746
"""Run registered cleanup functions.
1748
This should only be called from TestCase.tearDown.
1750
# TODO: Perhaps this should keep running cleanups even if
1751
# one of them fails?
1753
# Actually pop the cleanups from the list so tearDown running
1754
# twice is safe (this happens for skipped tests).
1755
while self._cleanups:
1756
cleanup, args, kwargs = self._cleanups.pop()
1757
cleanup(*args, **kwargs)
88
1759
def log(self, *args):
92
"""Return as a string the log for this test"""
93
return open(self._log_file_name).read()
95
def run_bzr(self, *args, **kwargs):
1762
def _get_log(self, keep_log_file=False):
1763
"""Get the log from bzrlib.trace calls from this test.
1765
:param keep_log_file: When True, if the log is still a file on disk
1766
leave it as a file on disk. When False, if the log is still a file
1767
on disk, the log file is deleted and the log preserved as
1769
:return: A string containing the log.
1771
# flush the log file, to get all content
1773
if bzrlib.trace._trace_file:
1774
bzrlib.trace._trace_file.flush()
1775
if self._log_contents:
1776
# XXX: this can hardly contain the content flushed above --vila
1778
return self._log_contents
1779
if self._log_file_name is not None:
1780
logfile = open(self._log_file_name)
1782
log_contents = logfile.read()
1785
if not keep_log_file:
1786
self._log_contents = log_contents
1788
os.remove(self._log_file_name)
1790
if sys.platform == 'win32' and e.errno == errno.EACCES:
1791
sys.stderr.write(('Unable to delete log file '
1792
' %r\n' % self._log_file_name))
1797
return "DELETED log file to reduce memory footprint"
1799
def requireFeature(self, feature):
1800
"""This test requires a specific feature is available.
1802
:raises UnavailableFeature: When feature is not available.
1804
if not feature.available():
1805
raise UnavailableFeature(feature)
1807
def _run_bzr_autosplit(self, args, retcode, encoding, stdin,
1809
"""Run bazaar command line, splitting up a string command line."""
1810
if isinstance(args, basestring):
1811
# shlex don't understand unicode strings,
1812
# so args should be plain string (bialix 20070906)
1813
args = list(shlex.split(str(args)))
1814
return self._run_bzr_core(args, retcode=retcode,
1815
encoding=encoding, stdin=stdin, working_dir=working_dir,
1818
def _run_bzr_core(self, args, retcode, encoding, stdin,
1820
# Clear chk_map page cache, because the contents are likely to mask
1822
chk_map.clear_cache()
1823
if encoding is None:
1824
encoding = osutils.get_user_encoding()
1825
stdout = StringIOWrapper()
1826
stderr = StringIOWrapper()
1827
stdout.encoding = encoding
1828
stderr.encoding = encoding
1830
self.log('run bzr: %r', args)
1831
# FIXME: don't call into logging here
1832
handler = logging.StreamHandler(stderr)
1833
handler.setLevel(logging.INFO)
1834
logger = logging.getLogger('')
1835
logger.addHandler(handler)
1836
old_ui_factory = ui.ui_factory
1837
ui.ui_factory = TestUIFactory(stdin=stdin, stdout=stdout, stderr=stderr)
1840
if working_dir is not None:
1841
cwd = osutils.getcwd()
1842
os.chdir(working_dir)
1846
result = self.apply_redirected(ui.ui_factory.stdin,
1848
bzrlib.commands.run_bzr_catch_user_errors,
1850
except KeyboardInterrupt:
1851
# Reraise KeyboardInterrupt with contents of redirected stdout
1852
# and stderr as arguments, for tests which are interested in
1853
# stdout and stderr and are expecting the exception.
1854
out = stdout.getvalue()
1855
err = stderr.getvalue()
1857
self.log('output:\n%r', out)
1859
self.log('errors:\n%r', err)
1860
raise KeyboardInterrupt(out, err)
1862
logger.removeHandler(handler)
1863
ui.ui_factory = old_ui_factory
1867
out = stdout.getvalue()
1868
err = stderr.getvalue()
1870
self.log('output:\n%r', out)
1872
self.log('errors:\n%r', err)
1873
if retcode is not None:
1874
self.assertEquals(retcode, result,
1875
message='Unexpected return code')
1876
return result, out, err
1878
def run_bzr(self, args, retcode=0, encoding=None, stdin=None,
1879
working_dir=None, error_regexes=[], output_encoding=None):
96
1880
"""Invoke bzr, as if it were run from the command line.
1882
The argument list should not include the bzr program name - the
1883
first argument is normally the bzr command. Arguments may be
1884
passed in three ways:
1886
1- A list of strings, eg ["commit", "a"]. This is recommended
1887
when the command contains whitespace or metacharacters, or
1888
is built up at run time.
1890
2- A single string, eg "add a". This is the most convenient
1891
for hardcoded commands.
1893
This runs bzr through the interface that catches and reports
1894
errors, and with logging set to something approximating the
1895
default, so that error reporting can be checked.
98
1897
This should be the main method for tests that want to exercise the
99
1898
overall behavior of the bzr application (rather than a unit test
100
1899
or a functional test of the library.)
102
Much of the old code runs bzr by forking a new copy of Python, but
103
that is slower, harder to debug, and generally not necessary.
105
retcode = kwargs.get('retcode', 0)
106
result = self.apply_redirected(None, None, None,
107
bzrlib.commands.run_bzr, args)
108
self.assertEquals(result, retcode)
1901
This sends the stdout/stderr results into the test's log,
1902
where it may be useful for debugging. See also run_captured.
1904
:keyword stdin: A string to be used as stdin for the command.
1905
:keyword retcode: The status code the command should return;
1907
:keyword working_dir: The directory to run the command in
1908
:keyword error_regexes: A list of expected error messages. If
1909
specified they must be seen in the error output of the command.
1911
retcode, out, err = self._run_bzr_autosplit(
1916
working_dir=working_dir,
1918
self.assertIsInstance(error_regexes, (list, tuple))
1919
for regex in error_regexes:
1920
self.assertContainsRe(err, regex)
1923
def run_bzr_error(self, error_regexes, *args, **kwargs):
1924
"""Run bzr, and check that stderr contains the supplied regexes
1926
:param error_regexes: Sequence of regular expressions which
1927
must each be found in the error output. The relative ordering
1929
:param args: command-line arguments for bzr
1930
:param kwargs: Keyword arguments which are interpreted by run_bzr
1931
This function changes the default value of retcode to be 3,
1932
since in most cases this is run when you expect bzr to fail.
1934
:return: (out, err) The actual output of running the command (in case
1935
you want to do more inspection)
1939
# Make sure that commit is failing because there is nothing to do
1940
self.run_bzr_error(['no changes to commit'],
1941
['commit', '-m', 'my commit comment'])
1942
# Make sure --strict is handling an unknown file, rather than
1943
# giving us the 'nothing to do' error
1944
self.build_tree(['unknown'])
1945
self.run_bzr_error(['Commit refused because there are unknown files'],
1946
['commit', --strict', '-m', 'my commit comment'])
1948
kwargs.setdefault('retcode', 3)
1949
kwargs['error_regexes'] = error_regexes
1950
out, err = self.run_bzr(*args, **kwargs)
1953
def run_bzr_subprocess(self, *args, **kwargs):
1954
"""Run bzr in a subprocess for testing.
1956
This starts a new Python interpreter and runs bzr in there.
1957
This should only be used for tests that have a justifiable need for
1958
this isolation: e.g. they are testing startup time, or signal
1959
handling, or early startup code, etc. Subprocess code can't be
1960
profiled or debugged so easily.
1962
:keyword retcode: The status code that is expected. Defaults to 0. If
1963
None is supplied, the status code is not checked.
1964
:keyword env_changes: A dictionary which lists changes to environment
1965
variables. A value of None will unset the env variable.
1966
The values must be strings. The change will only occur in the
1967
child, so you don't need to fix the environment after running.
1968
:keyword universal_newlines: Convert CRLF => LF
1969
:keyword allow_plugins: By default the subprocess is run with
1970
--no-plugins to ensure test reproducibility. Also, it is possible
1971
for system-wide plugins to create unexpected output on stderr,
1972
which can cause unnecessary test failures.
1974
env_changes = kwargs.get('env_changes', {})
1975
working_dir = kwargs.get('working_dir', None)
1976
allow_plugins = kwargs.get('allow_plugins', False)
1978
if isinstance(args[0], list):
1980
elif isinstance(args[0], basestring):
1981
args = list(shlex.split(args[0]))
1983
raise ValueError("passing varargs to run_bzr_subprocess")
1984
process = self.start_bzr_subprocess(args, env_changes=env_changes,
1985
working_dir=working_dir,
1986
allow_plugins=allow_plugins)
1987
# We distinguish between retcode=None and retcode not passed.
1988
supplied_retcode = kwargs.get('retcode', 0)
1989
return self.finish_bzr_subprocess(process, retcode=supplied_retcode,
1990
universal_newlines=kwargs.get('universal_newlines', False),
1993
def start_bzr_subprocess(self, process_args, env_changes=None,
1994
skip_if_plan_to_signal=False,
1996
allow_plugins=False):
1997
"""Start bzr in a subprocess for testing.
1999
This starts a new Python interpreter and runs bzr in there.
2000
This should only be used for tests that have a justifiable need for
2001
this isolation: e.g. they are testing startup time, or signal
2002
handling, or early startup code, etc. Subprocess code can't be
2003
profiled or debugged so easily.
2005
:param process_args: a list of arguments to pass to the bzr executable,
2006
for example ``['--version']``.
2007
:param env_changes: A dictionary which lists changes to environment
2008
variables. A value of None will unset the env variable.
2009
The values must be strings. The change will only occur in the
2010
child, so you don't need to fix the environment after running.
2011
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
2013
:param allow_plugins: If False (default) pass --no-plugins to bzr.
2015
:returns: Popen object for the started process.
2017
if skip_if_plan_to_signal:
2018
if not getattr(os, 'kill', None):
2019
raise TestSkipped("os.kill not available.")
2021
if env_changes is None:
2025
def cleanup_environment():
2026
for env_var, value in env_changes.iteritems():
2027
old_env[env_var] = osutils.set_or_unset_env(env_var, value)
2029
def restore_environment():
2030
for env_var, value in old_env.iteritems():
2031
osutils.set_or_unset_env(env_var, value)
2033
bzr_path = self.get_bzr_path()
2036
if working_dir is not None:
2037
cwd = osutils.getcwd()
2038
os.chdir(working_dir)
2041
# win32 subprocess doesn't support preexec_fn
2042
# so we will avoid using it on all platforms, just to
2043
# make sure the code path is used, and we don't break on win32
2044
cleanup_environment()
2045
command = [sys.executable]
2046
# frozen executables don't need the path to bzr
2047
if getattr(sys, "frozen", None) is None:
2048
command.append(bzr_path)
2049
if not allow_plugins:
2050
command.append('--no-plugins')
2051
command.extend(process_args)
2052
process = self._popen(command, stdin=PIPE, stdout=PIPE, stderr=PIPE)
2054
restore_environment()
2060
def _popen(self, *args, **kwargs):
2061
"""Place a call to Popen.
2063
Allows tests to override this method to intercept the calls made to
2064
Popen for introspection.
2066
return Popen(*args, **kwargs)
2068
def get_source_path(self):
2069
"""Return the path of the directory containing bzrlib."""
2070
return os.path.dirname(os.path.dirname(bzrlib.__file__))
2072
def get_bzr_path(self):
2073
"""Return the path of the 'bzr' executable for this test suite."""
2074
bzr_path = self.get_source_path()+'/bzr'
2075
if not os.path.isfile(bzr_path):
2076
# We are probably installed. Assume sys.argv is the right file
2077
bzr_path = sys.argv[0]
2080
def finish_bzr_subprocess(self, process, retcode=0, send_signal=None,
2081
universal_newlines=False, process_args=None):
2082
"""Finish the execution of process.
2084
:param process: the Popen object returned from start_bzr_subprocess.
2085
:param retcode: The status code that is expected. Defaults to 0. If
2086
None is supplied, the status code is not checked.
2087
:param send_signal: an optional signal to send to the process.
2088
:param universal_newlines: Convert CRLF => LF
2089
:returns: (stdout, stderr)
2091
if send_signal is not None:
2092
os.kill(process.pid, send_signal)
2093
out, err = process.communicate()
2095
if universal_newlines:
2096
out = out.replace('\r\n', '\n')
2097
err = err.replace('\r\n', '\n')
2099
if retcode is not None and retcode != process.returncode:
2100
if process_args is None:
2101
process_args = "(unknown args)"
2102
mutter('Output of bzr %s:\n%s', process_args, out)
2103
mutter('Error for bzr %s:\n%s', process_args, err)
2104
self.fail('Command bzr %s failed with retcode %s != %s'
2105
% (process_args, retcode, process.returncode))
111
2108
def check_inventory_shape(self, inv, shape):
113
Compare an inventory to a list of expected names.
2109
"""Compare an inventory to a list of expected names.
115
2111
Fail if they are not precisely equal.
183
2558
if contents != expect:
184
2559
self.log("expected: %r" % expect)
185
2560
self.log("actually: %r" % contents)
186
self.fail("contents of %s not as expected")
188
def _make_test_root(self):
189
if TestCaseInTempDir.TEST_ROOT is not None:
193
root = 'test%04d.tmp' % i
197
if e.errno == errno.EEXIST:
202
# successfully created
203
TestCaseInTempDir.TEST_ROOT = os.path.abspath(root)
205
# make a fake bzr directory there to prevent any tests propagating
206
# up onto the source directory's real branch
207
os.mkdir(os.path.join(TestCaseInTempDir.TEST_ROOT, '.bzr'))
210
super(TestCaseInTempDir, self).setUp()
212
self._make_test_root()
213
self._currentdir = os.getcwdu()
214
short_id = self.id().replace('bzrlib.selftest.', '') \
215
.replace('__main__.', '')
216
self.test_dir = os.path.join(self.TEST_ROOT, short_id)
2561
self.fail("contents of %s not as expected" % filename)
2563
def _getTestDirPrefix(self):
2564
# create a directory within the top level test directory
2565
if sys.platform in ('win32', 'cygwin'):
2566
name_prefix = re.sub('[<>*=+",:;_/\\-]', '_', self.id())
2567
# windows is likely to have path-length limits so use a short name
2568
name_prefix = name_prefix[-30:]
2570
name_prefix = re.sub('[/]', '_', self.id())
2573
def makeAndChdirToTestDir(self):
2574
"""See TestCaseWithMemoryTransport.makeAndChdirToTestDir().
2576
For TestCaseInTempDir we create a temporary directory based on the test
2577
name and then create two subdirs - test and home under it.
2579
name_prefix = osutils.pathjoin(TestCaseWithMemoryTransport.TEST_ROOT,
2580
self._getTestDirPrefix())
2582
for i in range(100):
2583
if os.path.exists(name):
2584
name = name_prefix + '_' + str(i)
2586
# now create test and home directories within this dir
2587
self.test_base_dir = name
2588
self.addCleanup(self.deleteTestDir)
2589
os.mkdir(self.test_base_dir)
2591
self.permit_dir(self.test_base_dir)
2592
# 'sprouting' and 'init' of a branch both walk up the tree to find
2593
# stacking policy to honour; create a bzr dir with an unshared
2594
# repository (but not a branch - our code would be trying to escape
2595
# then!) to stop them, and permit it to be read.
2596
# control = bzrdir.BzrDir.create(self.test_base_dir)
2597
# control.create_repository()
2598
self.test_home_dir = self.test_base_dir + '/home'
2599
os.mkdir(self.test_home_dir)
2600
self.test_dir = self.test_base_dir + '/work'
217
2601
os.mkdir(self.test_dir)
218
2602
os.chdir(self.test_dir)
222
os.chdir(self._currentdir)
223
super(TestCaseInTempDir, self).tearDown()
225
def _formcmd(self, cmd):
226
if isinstance(cmd, basestring):
229
cmd[0] = self.BZRPATH
230
if self.OVERRIDE_PYTHON:
231
cmd.insert(0, self.OVERRIDE_PYTHON)
232
self.log('$ %r' % cmd)
235
def runcmd(self, cmd, retcode=0):
236
"""Run one command and check the return code.
238
Returns a tuple of (stdout,stderr) strings.
240
If a single string is based, it is split into words.
241
For commands that are not simple space-separated words, please
242
pass a list instead."""
243
cmd = self._formcmd(cmd)
244
self.log('$ ' + ' '.join(cmd))
245
actual_retcode = subprocess.call(cmd, stdout=self._log_file,
246
stderr=self._log_file)
247
if retcode != actual_retcode:
248
raise CommandFailed("test failed: %r returned %d, expected %d"
249
% (cmd, actual_retcode, retcode))
251
def backtick(self, cmd, retcode=0):
252
"""Run a command and return its output"""
253
cmd = self._formcmd(cmd)
254
child = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=self._log_file)
255
outd, errd = child.communicate()
257
actual_retcode = child.wait()
259
outd = outd.replace('\r', '')
261
if retcode != actual_retcode:
262
raise CommandFailed("test failed: %r returned %d, expected %d"
263
% (cmd, actual_retcode, retcode))
269
def build_tree(self, shape):
2603
# put name of test inside
2604
f = file(self.test_base_dir + '/name', 'w')
2610
def deleteTestDir(self):
2611
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
2612
_rmtree_temp_dir(self.test_base_dir, test_id=self.id())
2614
def build_tree(self, shape, line_endings='binary', transport=None):
270
2615
"""Build a test tree according to a pattern.
272
2617
shape is a sequence of file specifications. If the final
273
2618
character is '/', a directory is created.
2620
This assumes that all the elements in the tree being built are new.
275
2622
This doesn't add anything to a branch.
2624
:type shape: list or tuple.
2625
:param line_endings: Either 'binary' or 'native'
2626
in binary mode, exact contents are written in native mode, the
2627
line endings match the default platform endings.
2628
:param transport: A transport to write to, for building trees on VFS's.
2629
If the transport is readonly or None, "." is opened automatically.
277
# XXX: It's OK to just create them using forward slashes on windows?
2632
if type(shape) not in (list, tuple):
2633
raise AssertionError("Parameter 'shape' should be "
2634
"a list or a tuple. Got %r instead" % (shape,))
2635
# It's OK to just create them using forward slashes on windows.
2636
if transport is None or transport.is_readonly():
2637
transport = get_transport(".")
279
2638
for name in shape:
280
assert isinstance(name, basestring)
2639
self.assertIsInstance(name, basestring)
281
2640
if name[-1] == '/':
285
print >>f, "contents of", name
290
class MetaTestLog(TestCase):
291
def test_logging(self):
292
"""Test logs are captured when a test fails."""
293
logging.info('an info message')
294
warning('something looks dodgy...')
295
logging.debug('hello, test is running')
299
def selftest(verbose=False, pattern=".*"):
2641
transport.mkdir(urlutils.escape(name[:-1]))
2643
if line_endings == 'binary':
2645
elif line_endings == 'native':
2648
raise errors.BzrError(
2649
'Invalid line ending request %r' % line_endings)
2650
content = "contents of %s%s" % (name.encode('utf-8'), end)
2651
transport.put_bytes_non_atomic(urlutils.escape(name), content)
2653
def build_tree_contents(self, shape):
2654
build_tree_contents(shape)
2656
def assertInWorkingTree(self, path, root_path='.', tree=None):
2657
"""Assert whether path or paths are in the WorkingTree"""
2659
tree = workingtree.WorkingTree.open(root_path)
2660
if not isinstance(path, basestring):
2662
self.assertInWorkingTree(p, tree=tree)
2664
self.assertIsNot(tree.path2id(path), None,
2665
path+' not in working tree.')
2667
def assertNotInWorkingTree(self, path, root_path='.', tree=None):
2668
"""Assert whether path or paths are not in the WorkingTree"""
2670
tree = workingtree.WorkingTree.open(root_path)
2671
if not isinstance(path, basestring):
2673
self.assertNotInWorkingTree(p,tree=tree)
2675
self.assertIs(tree.path2id(path), None, path+' in working tree.')
2678
class TestCaseWithTransport(TestCaseInTempDir):
2679
"""A test case that provides get_url and get_readonly_url facilities.
2681
These back onto two transport servers, one for readonly access and one for
2684
If no explicit class is provided for readonly access, a
2685
ReadonlyTransportDecorator is used instead which allows the use of non disk
2686
based read write transports.
2688
If an explicit class is provided for readonly access, that server and the
2689
readwrite one must both define get_url() as resolving to os.getcwd().
2692
def get_vfs_only_server(self):
2693
"""See TestCaseWithMemoryTransport.
2695
This is useful for some tests with specific servers that need
2698
if self.__vfs_server is None:
2699
self.__vfs_server = self.vfs_transport_factory()
2700
self.start_server(self.__vfs_server)
2701
return self.__vfs_server
2703
def make_branch_and_tree(self, relpath, format=None):
2704
"""Create a branch on the transport and a tree locally.
2706
If the transport is not a LocalTransport, the Tree can't be created on
2707
the transport. In that case if the vfs_transport_factory is
2708
LocalURLServer the working tree is created in the local
2709
directory backing the transport, and the returned tree's branch and
2710
repository will also be accessed locally. Otherwise a lightweight
2711
checkout is created and returned.
2713
We do this because we can't physically create a tree in the local
2714
path, with a branch reference to the transport_factory url, and
2715
a branch + repository in the vfs_transport, unless the vfs_transport
2716
namespace is distinct from the local disk - the two branch objects
2717
would collide. While we could construct a tree with its branch object
2718
pointing at the transport_factory transport in memory, reopening it
2719
would behaving unexpectedly, and has in the past caused testing bugs
2720
when we tried to do it that way.
2722
:param format: The BzrDirFormat.
2723
:returns: the WorkingTree.
2725
# TODO: always use the local disk path for the working tree,
2726
# this obviously requires a format that supports branch references
2727
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
2729
b = self.make_branch(relpath, format=format)
2731
return b.bzrdir.create_workingtree()
2732
except errors.NotLocalUrl:
2733
# We can only make working trees locally at the moment. If the
2734
# transport can't support them, then we keep the non-disk-backed
2735
# branch and create a local checkout.
2736
if self.vfs_transport_factory is LocalURLServer:
2737
# the branch is colocated on disk, we cannot create a checkout.
2738
# hopefully callers will expect this.
2739
local_controldir= bzrdir.BzrDir.open(self.get_vfs_only_url(relpath))
2740
wt = local_controldir.create_workingtree()
2741
if wt.branch._format != b._format:
2743
# Make sure that assigning to wt._branch fixes wt.branch,
2744
# in case the implementation details of workingtree objects
2746
self.assertIs(b, wt.branch)
2749
return b.create_checkout(relpath, lightweight=True)
2751
def assertIsDirectory(self, relpath, transport):
2752
"""Assert that relpath within transport is a directory.
2754
This may not be possible on all transports; in that case it propagates
2755
a TransportNotPossible.
2758
mode = transport.stat(relpath).st_mode
2759
except errors.NoSuchFile:
2760
self.fail("path %s is not a directory; no such file"
2762
if not stat.S_ISDIR(mode):
2763
self.fail("path %s is not a directory; has mode %#o"
2766
def assertTreesEqual(self, left, right):
2767
"""Check that left and right have the same content and properties."""
2768
# we use a tree delta to check for equality of the content, and we
2769
# manually check for equality of other things such as the parents list.
2770
self.assertEqual(left.get_parent_ids(), right.get_parent_ids())
2771
differences = left.changes_from(right)
2772
self.assertFalse(differences.has_changed(),
2773
"Trees %r and %r are different: %r" % (left, right, differences))
2776
super(TestCaseWithTransport, self).setUp()
2777
self.__vfs_server = None
2779
def disable_missing_extensions_warning(self):
2780
"""Some tests expect a precise stderr content.
2782
There is no point in forcing them to duplicate the extension related
2785
config.GlobalConfig().set_user_option('ignore_missing_extensions', True)
2788
class ChrootedTestCase(TestCaseWithTransport):
2789
"""A support class that provides readonly urls outside the local namespace.
2791
This is done by checking if self.transport_server is a MemoryServer. if it
2792
is then we are chrooted already, if it is not then an HttpServer is used
2795
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
2796
be used without needed to redo it when a different
2797
subclass is in use ?
2801
super(ChrootedTestCase, self).setUp()
2802
if not self.vfs_transport_factory == MemoryServer:
2803
self.transport_readonly_server = HttpServer
2806
def condition_id_re(pattern):
2807
"""Create a condition filter which performs a re check on a test's id.
2809
:param pattern: A regular expression string.
2810
:return: A callable that returns True if the re matches.
2812
filter_re = osutils.re_compile_checked(pattern, 0,
2814
def condition(test):
2816
return filter_re.search(test_id)
2820
def condition_isinstance(klass_or_klass_list):
2821
"""Create a condition filter which returns isinstance(param, klass).
2823
:return: A callable which when called with one parameter obj return the
2824
result of isinstance(obj, klass_or_klass_list).
2827
return isinstance(obj, klass_or_klass_list)
2831
def condition_id_in_list(id_list):
2832
"""Create a condition filter which verify that test's id in a list.
2834
:param id_list: A TestIdList object.
2835
:return: A callable that returns True if the test's id appears in the list.
2837
def condition(test):
2838
return id_list.includes(test.id())
2842
def condition_id_startswith(starts):
2843
"""Create a condition filter verifying that test's id starts with a string.
2845
:param starts: A list of string.
2846
:return: A callable that returns True if the test's id starts with one of
2849
def condition(test):
2850
for start in starts:
2851
if test.id().startswith(start):
2857
def exclude_tests_by_condition(suite, condition):
2858
"""Create a test suite which excludes some tests from suite.
2860
:param suite: The suite to get tests from.
2861
:param condition: A callable whose result evaluates True when called with a
2862
test case which should be excluded from the result.
2863
:return: A suite which contains the tests found in suite that fail
2867
for test in iter_suite_tests(suite):
2868
if not condition(test):
2870
return TestUtil.TestSuite(result)
2873
def filter_suite_by_condition(suite, condition):
2874
"""Create a test suite by filtering another one.
2876
:param suite: The source suite.
2877
:param condition: A callable whose result evaluates True when called with a
2878
test case which should be included in the result.
2879
:return: A suite which contains the tests found in suite that pass
2883
for test in iter_suite_tests(suite):
2886
return TestUtil.TestSuite(result)
2889
def filter_suite_by_re(suite, pattern):
2890
"""Create a test suite by filtering another one.
2892
:param suite: the source suite
2893
:param pattern: pattern that names must match
2894
:returns: the newly created suite
2896
condition = condition_id_re(pattern)
2897
result_suite = filter_suite_by_condition(suite, condition)
2901
def filter_suite_by_id_list(suite, test_id_list):
2902
"""Create a test suite by filtering another one.
2904
:param suite: The source suite.
2905
:param test_id_list: A list of the test ids to keep as strings.
2906
:returns: the newly created suite
2908
condition = condition_id_in_list(test_id_list)
2909
result_suite = filter_suite_by_condition(suite, condition)
2913
def filter_suite_by_id_startswith(suite, start):
2914
"""Create a test suite by filtering another one.
2916
:param suite: The source suite.
2917
:param start: A list of string the test id must start with one of.
2918
:returns: the newly created suite
2920
condition = condition_id_startswith(start)
2921
result_suite = filter_suite_by_condition(suite, condition)
2925
def exclude_tests_by_re(suite, pattern):
2926
"""Create a test suite which excludes some tests from suite.
2928
:param suite: The suite to get tests from.
2929
:param pattern: A regular expression string. Test ids that match this
2930
pattern will be excluded from the result.
2931
:return: A TestSuite that contains all the tests from suite without the
2932
tests that matched pattern. The order of tests is the same as it was in
2935
return exclude_tests_by_condition(suite, condition_id_re(pattern))
2938
def preserve_input(something):
2939
"""A helper for performing test suite transformation chains.
2941
:param something: Anything you want to preserve.
2947
def randomize_suite(suite):
2948
"""Return a new TestSuite with suite's tests in random order.
2950
The tests in the input suite are flattened into a single suite in order to
2951
accomplish this. Any nested TestSuites are removed to provide global
2954
tests = list(iter_suite_tests(suite))
2955
random.shuffle(tests)
2956
return TestUtil.TestSuite(tests)
2959
def split_suite_by_condition(suite, condition):
2960
"""Split a test suite into two by a condition.
2962
:param suite: The suite to split.
2963
:param condition: The condition to match on. Tests that match this
2964
condition are returned in the first test suite, ones that do not match
2965
are in the second suite.
2966
:return: A tuple of two test suites, where the first contains tests from
2967
suite matching the condition, and the second contains the remainder
2968
from suite. The order within each output suite is the same as it was in
2973
for test in iter_suite_tests(suite):
2975
matched.append(test)
2977
did_not_match.append(test)
2978
return TestUtil.TestSuite(matched), TestUtil.TestSuite(did_not_match)
2981
def split_suite_by_re(suite, pattern):
2982
"""Split a test suite into two by a regular expression.
2984
:param suite: The suite to split.
2985
:param pattern: A regular expression string. Test ids that match this
2986
pattern will be in the first test suite returned, and the others in the
2987
second test suite returned.
2988
:return: A tuple of two test suites, where the first contains tests from
2989
suite matching pattern, and the second contains the remainder from
2990
suite. The order within each output suite is the same as it was in
2993
return split_suite_by_condition(suite, condition_id_re(pattern))
2996
def run_suite(suite, name='test', verbose=False, pattern=".*",
2997
stop_on_failure=False,
2998
transport=None, lsprof_timed=None, bench_history=None,
2999
matching_tests_first=None,
3002
exclude_pattern=None,
3005
suite_decorators=None,
3007
result_decorators=None,
3009
"""Run a test suite for bzr selftest.
3011
:param runner_class: The class of runner to use. Must support the
3012
constructor arguments passed by run_suite which are more than standard
3014
:return: A boolean indicating success.
3016
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
3021
if runner_class is None:
3022
runner_class = TextTestRunner
3025
runner = runner_class(stream=stream,
3027
verbosity=verbosity,
3028
bench_history=bench_history,
3030
result_decorators=result_decorators,
3032
runner.stop_on_failure=stop_on_failure
3033
# built in decorator factories:
3035
random_order(random_seed, runner),
3036
exclude_tests(exclude_pattern),
3038
if matching_tests_first:
3039
decorators.append(tests_first(pattern))
3041
decorators.append(filter_tests(pattern))
3042
if suite_decorators:
3043
decorators.extend(suite_decorators)
3044
# tell the result object how many tests will be running: (except if
3045
# --parallel=fork is being used. Robert said he will provide a better
3046
# progress design later -- vila 20090817)
3047
if fork_decorator not in decorators:
3048
decorators.append(CountingDecorator)
3049
for decorator in decorators:
3050
suite = decorator(suite)
3052
# Done after test suite decoration to allow randomisation etc
3053
# to take effect, though that is of marginal benefit.
3055
stream.write("Listing tests only ...\n")
3056
for t in iter_suite_tests(suite):
3057
stream.write("%s\n" % (t.id()))
3059
result = runner.run(suite)
3061
return result.wasStrictlySuccessful()
3063
return result.wasSuccessful()
3066
# A registry where get() returns a suite decorator.
3067
parallel_registry = registry.Registry()
3070
def fork_decorator(suite):
3071
concurrency = osutils.local_concurrency()
3072
if concurrency == 1:
3074
from testtools import ConcurrentTestSuite
3075
return ConcurrentTestSuite(suite, fork_for_tests)
3076
parallel_registry.register('fork', fork_decorator)
3079
def subprocess_decorator(suite):
3080
concurrency = osutils.local_concurrency()
3081
if concurrency == 1:
3083
from testtools import ConcurrentTestSuite
3084
return ConcurrentTestSuite(suite, reinvoke_for_tests)
3085
parallel_registry.register('subprocess', subprocess_decorator)
3088
def exclude_tests(exclude_pattern):
3089
"""Return a test suite decorator that excludes tests."""
3090
if exclude_pattern is None:
3091
return identity_decorator
3092
def decorator(suite):
3093
return ExcludeDecorator(suite, exclude_pattern)
3097
def filter_tests(pattern):
3099
return identity_decorator
3100
def decorator(suite):
3101
return FilterTestsDecorator(suite, pattern)
3105
def random_order(random_seed, runner):
3106
"""Return a test suite decorator factory for randomising tests order.
3108
:param random_seed: now, a string which casts to a long, or a long.
3109
:param runner: A test runner with a stream attribute to report on.
3111
if random_seed is None:
3112
return identity_decorator
3113
def decorator(suite):
3114
return RandomDecorator(suite, random_seed, runner.stream)
3118
def tests_first(pattern):
3120
return identity_decorator
3121
def decorator(suite):
3122
return TestFirstDecorator(suite, pattern)
3126
def identity_decorator(suite):
3131
class TestDecorator(TestSuite):
3132
"""A decorator for TestCase/TestSuite objects.
3134
Usually, subclasses should override __iter__(used when flattening test
3135
suites), which we do to filter, reorder, parallelise and so on, run() and
3139
def __init__(self, suite):
3140
TestSuite.__init__(self)
3143
def countTestCases(self):
3146
cases += test.countTestCases()
3153
def run(self, result):
3154
# Use iteration on self, not self._tests, to allow subclasses to hook
3157
if result.shouldStop:
3163
class CountingDecorator(TestDecorator):
3164
"""A decorator which calls result.progress(self.countTestCases)."""
3166
def run(self, result):
3167
progress_method = getattr(result, 'progress', None)
3168
if callable(progress_method):
3169
progress_method(self.countTestCases(), SUBUNIT_SEEK_SET)
3170
return super(CountingDecorator, self).run(result)
3173
class ExcludeDecorator(TestDecorator):
3174
"""A decorator which excludes test matching an exclude pattern."""
3176
def __init__(self, suite, exclude_pattern):
3177
TestDecorator.__init__(self, suite)
3178
self.exclude_pattern = exclude_pattern
3179
self.excluded = False
3183
return iter(self._tests)
3184
self.excluded = True
3185
suite = exclude_tests_by_re(self, self.exclude_pattern)
3187
self.addTests(suite)
3188
return iter(self._tests)
3191
class FilterTestsDecorator(TestDecorator):
3192
"""A decorator which filters tests to those matching a pattern."""
3194
def __init__(self, suite, pattern):
3195
TestDecorator.__init__(self, suite)
3196
self.pattern = pattern
3197
self.filtered = False
3201
return iter(self._tests)
3202
self.filtered = True
3203
suite = filter_suite_by_re(self, self.pattern)
3205
self.addTests(suite)
3206
return iter(self._tests)
3209
class RandomDecorator(TestDecorator):
3210
"""A decorator which randomises the order of its tests."""
3212
def __init__(self, suite, random_seed, stream):
3213
TestDecorator.__init__(self, suite)
3214
self.random_seed = random_seed
3215
self.randomised = False
3216
self.stream = stream
3220
return iter(self._tests)
3221
self.randomised = True
3222
self.stream.writeln("Randomizing test order using seed %s\n" %
3223
(self.actual_seed()))
3224
# Initialise the random number generator.
3225
random.seed(self.actual_seed())
3226
suite = randomize_suite(self)
3228
self.addTests(suite)
3229
return iter(self._tests)
3231
def actual_seed(self):
3232
if self.random_seed == "now":
3233
# We convert the seed to a long to make it reuseable across
3234
# invocations (because the user can reenter it).
3235
self.random_seed = long(time.time())
3237
# Convert the seed to a long if we can
3239
self.random_seed = long(self.random_seed)
3242
return self.random_seed
3245
class TestFirstDecorator(TestDecorator):
3246
"""A decorator which moves named tests to the front."""
3248
def __init__(self, suite, pattern):
3249
TestDecorator.__init__(self, suite)
3250
self.pattern = pattern
3251
self.filtered = False
3255
return iter(self._tests)
3256
self.filtered = True
3257
suites = split_suite_by_re(self, self.pattern)
3259
self.addTests(suites)
3260
return iter(self._tests)
3263
def partition_tests(suite, count):
3264
"""Partition suite into count lists of tests."""
3266
tests = list(iter_suite_tests(suite))
3267
tests_per_process = int(math.ceil(float(len(tests)) / count))
3268
for block in range(count):
3269
low_test = block * tests_per_process
3270
high_test = low_test + tests_per_process
3271
process_tests = tests[low_test:high_test]
3272
result.append(process_tests)
3276
def fork_for_tests(suite):
3277
"""Take suite and start up one runner per CPU by forking()
3279
:return: An iterable of TestCase-like objects which can each have
3280
run(result) called on them to feed tests to result.
3282
concurrency = osutils.local_concurrency()
3284
from subunit import TestProtocolClient, ProtocolTestCase
3285
class TestInOtherProcess(ProtocolTestCase):
3286
# Should be in subunit, I think. RBC.
3287
def __init__(self, stream, pid):
3288
ProtocolTestCase.__init__(self, stream)
3291
def run(self, result):
3293
ProtocolTestCase.run(self, result)
3295
os.waitpid(self.pid, os.WNOHANG)
3297
test_blocks = partition_tests(suite, concurrency)
3298
for process_tests in test_blocks:
3299
process_suite = TestSuite()
3300
process_suite.addTests(process_tests)
3301
c2pread, c2pwrite = os.pipe()
3306
# Leave stderr and stdout open so we can see test noise
3307
# Close stdin so that the child goes away if it decides to
3308
# read from stdin (otherwise its a roulette to see what
3309
# child actually gets keystrokes for pdb etc).
3312
stream = os.fdopen(c2pwrite, 'wb', 1)
3313
subunit_result = BzrAutoTimingTestResultDecorator(
3314
TestProtocolClient(stream))
3315
process_suite.run(subunit_result)
3320
stream = os.fdopen(c2pread, 'rb', 1)
3321
test = TestInOtherProcess(stream, pid)
3326
def reinvoke_for_tests(suite):
3327
"""Take suite and start up one runner per CPU using subprocess().
3329
:return: An iterable of TestCase-like objects which can each have
3330
run(result) called on them to feed tests to result.
3332
concurrency = osutils.local_concurrency()
3334
from subunit import ProtocolTestCase
3335
class TestInSubprocess(ProtocolTestCase):
3336
def __init__(self, process, name):
3337
ProtocolTestCase.__init__(self, process.stdout)
3338
self.process = process
3339
self.process.stdin.close()
3342
def run(self, result):
3344
ProtocolTestCase.run(self, result)
3347
os.unlink(self.name)
3348
# print "pid %d finished" % finished_process
3349
test_blocks = partition_tests(suite, concurrency)
3350
for process_tests in test_blocks:
3351
# ugly; currently reimplement rather than reuses TestCase methods.
3352
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
3353
if not os.path.isfile(bzr_path):
3354
# We are probably installed. Assume sys.argv is the right file
3355
bzr_path = sys.argv[0]
3356
bzr_path = [bzr_path]
3357
if sys.platform == "win32":
3358
# if we're on windows, we can't execute the bzr script directly
3359
bzr_path = [sys.executable] + bzr_path
3360
fd, test_list_file_name = tempfile.mkstemp()
3361
test_list_file = os.fdopen(fd, 'wb', 1)
3362
for test in process_tests:
3363
test_list_file.write(test.id() + '\n')
3364
test_list_file.close()
3366
argv = bzr_path + ['selftest', '--load-list', test_list_file_name,
3368
if '--no-plugins' in sys.argv:
3369
argv.append('--no-plugins')
3370
# stderr=STDOUT would be ideal, but until we prevent noise on
3371
# stderr it can interrupt the subunit protocol.
3372
process = Popen(argv, stdin=PIPE, stdout=PIPE, stderr=PIPE,
3374
test = TestInSubprocess(process, test_list_file_name)
3377
os.unlink(test_list_file_name)
3382
class ForwardingResult(unittest.TestResult):
3384
def __init__(self, target):
3385
unittest.TestResult.__init__(self)
3386
self.result = target
3388
def startTest(self, test):
3389
self.result.startTest(test)
3391
def stopTest(self, test):
3392
self.result.stopTest(test)
3394
def startTestRun(self):
3395
self.result.startTestRun()
3397
def stopTestRun(self):
3398
self.result.stopTestRun()
3400
def addSkip(self, test, reason):
3401
self.result.addSkip(test, reason)
3403
def addSuccess(self, test):
3404
self.result.addSuccess(test)
3406
def addError(self, test, err):
3407
self.result.addError(test, err)
3409
def addFailure(self, test, err):
3410
self.result.addFailure(test, err)
3413
class BZRTransformingResult(ForwardingResult):
3415
def addError(self, test, err):
3416
feature = self._error_looks_like('UnavailableFeature: ', err)
3417
if feature is not None:
3418
self.result.addNotSupported(test, feature)
3420
self.result.addError(test, err)
3422
def addFailure(self, test, err):
3423
known = self._error_looks_like('KnownFailure: ', err)
3424
if known is not None:
3425
self.result.addExpectedFailure(test,
3426
[KnownFailure, KnownFailure(known), None])
3428
self.result.addFailure(test, err)
3430
def _error_looks_like(self, prefix, err):
3431
"""Deserialize exception and returns the stringify value."""
3435
if isinstance(exc, subunit.RemoteException):
3436
# stringify the exception gives access to the remote traceback
3437
# We search the last line for 'prefix'
3438
lines = str(exc).split('\n')
3439
while lines and not lines[-1]:
3442
if lines[-1].startswith(prefix):
3443
value = lines[-1][len(prefix):]
3448
from subunit.test_results import AutoTimingTestResultDecorator
3449
# Expected failure should be seen as a success not a failure Once subunit
3450
# provide native support for that, BZRTransformingResult and this class
3451
# will become useless.
3452
class BzrAutoTimingTestResultDecorator(AutoTimingTestResultDecorator):
3454
def addExpectedFailure(self, test, err):
3455
self._before_event()
3456
return self._call_maybe("addExpectedFailure", self._degrade_skip,
3459
# Let's just define a no-op decorator
3460
BzrAutoTimingTestResultDecorator = lambda x:x
3463
class ProfileResult(ForwardingResult):
3464
"""Generate profiling data for all activity between start and success.
3466
The profile data is appended to the test's _benchcalls attribute and can
3467
be accessed by the forwarded-to TestResult.
3469
While it might be cleaner do accumulate this in stopTest, addSuccess is
3470
where our existing output support for lsprof is, and this class aims to
3471
fit in with that: while it could be moved it's not necessary to accomplish
3472
test profiling, nor would it be dramatically cleaner.
3475
def startTest(self, test):
3476
self.profiler = bzrlib.lsprof.BzrProfiler()
3477
self.profiler.start()
3478
ForwardingResult.startTest(self, test)
3480
def addSuccess(self, test):
3481
stats = self.profiler.stop()
3483
calls = test._benchcalls
3484
except AttributeError:
3485
test._benchcalls = []
3486
calls = test._benchcalls
3487
calls.append(((test.id(), "", ""), stats))
3488
ForwardingResult.addSuccess(self, test)
3490
def stopTest(self, test):
3491
ForwardingResult.stopTest(self, test)
3492
self.profiler = None
3495
# Controlled by "bzr selftest -E=..." option
3496
# Currently supported:
3497
# -Eallow_debug Will no longer clear debug.debug_flags() so it
3498
# preserves any flags supplied at the command line.
3499
# -Edisable_lock_checks Turns errors in mismatched locks into simple prints
3500
# rather than failing tests. And no longer raise
3501
# LockContention when fctnl locks are not being used
3502
# with proper exclusion rules.
3503
selftest_debug_flags = set()
3506
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
3508
test_suite_factory=None,
3511
matching_tests_first=None,
3514
exclude_pattern=None,
3520
suite_decorators=None,
300
3524
"""Run the whole test suite under the enhanced runner"""
301
return testsweet.run_suite(test_suite(), 'testbzr', verbose=verbose, pattern=pattern)
305
"""Build and return TestSuite for the whole program."""
306
from bzrlib.selftest.TestUtil import TestLoader, TestSuite
307
import bzrlib, bzrlib.store, bzrlib.inventory, bzrlib.branch
308
import bzrlib.osutils, bzrlib.commands, bzrlib.merge3, bzrlib.plugin
309
from doctest import DocTestSuite
315
global MODULES_TO_TEST, MODULES_TO_DOCTEST
318
['bzrlib.selftest.MetaTestLog',
319
'bzrlib.selftest.testinv',
320
'bzrlib.selftest.versioning',
321
'bzrlib.selftest.testmerge3',
322
'bzrlib.selftest.testhashcache',
323
'bzrlib.selftest.teststatus',
324
'bzrlib.selftest.testlog',
325
'bzrlib.selftest.testrevisionnamespaces',
326
'bzrlib.selftest.testbranch',
327
# 'bzrlib.selftest.testrevision',
328
# 'bzrlib.selftest.test_merge_core',
329
'bzrlib.selftest.test_smart_add',
330
'bzrlib.selftest.testdiff',
331
# 'bzrlib.selftest.test_parent',
332
'bzrlib.selftest.test_xml',
333
# 'bzrlib.selftest.testfetch',
334
# 'bzrlib.selftest.whitebox',
335
'bzrlib.selftest.teststore',
336
# 'bzrlib.selftest.blackbox',
339
for m in (bzrlib.store, bzrlib.inventory, bzrlib.branch,
340
bzrlib.osutils, bzrlib.commands, bzrlib.merge3):
341
if m not in MODULES_TO_DOCTEST:
342
MODULES_TO_DOCTEST.append(m)
344
TestCase.BZRPATH = os.path.join(os.path.realpath(os.path.dirname(bzrlib.__path__[0])), 'bzr')
345
print '%-30s %s' % ('bzr binary', TestCase.BZRPATH)
348
suite.addTest(TestLoader().loadTestsFromNames(testmod_names))
349
for m in MODULES_TO_TEST:
350
suite.addTest(TestLoader().loadTestsFromModule(m))
351
for m in (MODULES_TO_DOCTEST):
352
suite.addTest(DocTestSuite(m))
353
for p in bzrlib.plugin.all_plugins:
354
if hasattr(p, 'test_suite'):
355
suite.addTest(p.test_suite())
3525
# XXX: Very ugly way to do this...
3526
# Disable warning about old formats because we don't want it to disturb
3527
# any blackbox tests.
3528
from bzrlib import repository
3529
repository._deprecation_warning_done = True
3531
global default_transport
3532
if transport is None:
3533
transport = default_transport
3534
old_transport = default_transport
3535
default_transport = transport
3536
global selftest_debug_flags
3537
old_debug_flags = selftest_debug_flags
3538
if debug_flags is not None:
3539
selftest_debug_flags = set(debug_flags)
3541
if load_list is None:
3544
keep_only = load_test_id_list(load_list)
3546
starting_with = [test_prefix_alias_registry.resolve_alias(start)
3547
for start in starting_with]
3548
if test_suite_factory is None:
3549
# Reduce loading time by loading modules based on the starting_with
3551
suite = test_suite(keep_only, starting_with)
3553
suite = test_suite_factory()
3555
# But always filter as requested.
3556
suite = filter_suite_by_id_startswith(suite, starting_with)
3557
result_decorators = []
3559
result_decorators.append(ProfileResult)
3560
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
3561
stop_on_failure=stop_on_failure,
3562
transport=transport,
3563
lsprof_timed=lsprof_timed,
3564
bench_history=bench_history,
3565
matching_tests_first=matching_tests_first,
3566
list_only=list_only,
3567
random_seed=random_seed,
3568
exclude_pattern=exclude_pattern,
3570
runner_class=runner_class,
3571
suite_decorators=suite_decorators,
3573
result_decorators=result_decorators,
3576
default_transport = old_transport
3577
selftest_debug_flags = old_debug_flags
3580
def load_test_id_list(file_name):
3581
"""Load a test id list from a text file.
3583
The format is one test id by line. No special care is taken to impose
3584
strict rules, these test ids are used to filter the test suite so a test id
3585
that do not match an existing test will do no harm. This allows user to add
3586
comments, leave blank lines, etc.
3590
ftest = open(file_name, 'rt')
3592
if e.errno != errno.ENOENT:
3595
raise errors.NoSuchFile(file_name)
3597
for test_name in ftest.readlines():
3598
test_list.append(test_name.strip())
3603
def suite_matches_id_list(test_suite, id_list):
3604
"""Warns about tests not appearing or appearing more than once.
3606
:param test_suite: A TestSuite object.
3607
:param test_id_list: The list of test ids that should be found in
3610
:return: (absents, duplicates) absents is a list containing the test found
3611
in id_list but not in test_suite, duplicates is a list containing the
3612
test found multiple times in test_suite.
3614
When using a prefined test id list, it may occurs that some tests do not
3615
exist anymore or that some tests use the same id. This function warns the
3616
tester about potential problems in his workflow (test lists are volatile)
3617
or in the test suite itself (using the same id for several tests does not
3618
help to localize defects).
3620
# Build a dict counting id occurrences
3622
for test in iter_suite_tests(test_suite):
3624
tests[id] = tests.get(id, 0) + 1
3629
occurs = tests.get(id, 0)
3631
not_found.append(id)
3633
duplicates.append(id)
3635
return not_found, duplicates
3638
class TestIdList(object):
3639
"""Test id list to filter a test suite.
3641
Relying on the assumption that test ids are built as:
3642
<module>[.<class>.<method>][(<param>+)], <module> being in python dotted
3643
notation, this class offers methods to :
3644
- avoid building a test suite for modules not refered to in the test list,
3645
- keep only the tests listed from the module test suite.
3648
def __init__(self, test_id_list):
3649
# When a test suite needs to be filtered against us we compare test ids
3650
# for equality, so a simple dict offers a quick and simple solution.
3651
self.tests = dict().fromkeys(test_id_list, True)
3653
# While unittest.TestCase have ids like:
3654
# <module>.<class>.<method>[(<param+)],
3655
# doctest.DocTestCase can have ids like:
3658
# <module>.<function>
3659
# <module>.<class>.<method>
3661
# Since we can't predict a test class from its name only, we settle on
3662
# a simple constraint: a test id always begins with its module name.
3665
for test_id in test_id_list:
3666
parts = test_id.split('.')
3667
mod_name = parts.pop(0)
3668
modules[mod_name] = True
3670
mod_name += '.' + part
3671
modules[mod_name] = True
3672
self.modules = modules
3674
def refers_to(self, module_name):
3675
"""Is there tests for the module or one of its sub modules."""
3676
return self.modules.has_key(module_name)
3678
def includes(self, test_id):
3679
return self.tests.has_key(test_id)
3682
class TestPrefixAliasRegistry(registry.Registry):
3683
"""A registry for test prefix aliases.
3685
This helps implement shorcuts for the --starting-with selftest
3686
option. Overriding existing prefixes is not allowed but not fatal (a
3687
warning will be emitted).
3690
def register(self, key, obj, help=None, info=None,
3691
override_existing=False):
3692
"""See Registry.register.
3694
Trying to override an existing alias causes a warning to be emitted,
3695
not a fatal execption.
3698
super(TestPrefixAliasRegistry, self).register(
3699
key, obj, help=help, info=info, override_existing=False)
3701
actual = self.get(key)
3702
note('Test prefix alias %s is already used for %s, ignoring %s'
3703
% (key, actual, obj))
3705
def resolve_alias(self, id_start):
3706
"""Replace the alias by the prefix in the given string.
3708
Using an unknown prefix is an error to help catching typos.
3710
parts = id_start.split('.')
3712
parts[0] = self.get(parts[0])
3714
raise errors.BzrCommandError(
3715
'%s is not a known test prefix alias' % parts[0])
3716
return '.'.join(parts)
3719
test_prefix_alias_registry = TestPrefixAliasRegistry()
3720
"""Registry of test prefix aliases."""
3723
# This alias allows to detect typos ('bzrlin.') by making all valid test ids
3724
# appear prefixed ('bzrlib.' is "replaced" by 'bzrlib.').
3725
test_prefix_alias_registry.register('bzrlib', 'bzrlib')
3727
# Obvious higest levels prefixes, feel free to add your own via a plugin
3728
test_prefix_alias_registry.register('bd', 'bzrlib.doc')
3729
test_prefix_alias_registry.register('bu', 'bzrlib.utils')
3730
test_prefix_alias_registry.register('bt', 'bzrlib.tests')
3731
test_prefix_alias_registry.register('bb', 'bzrlib.tests.blackbox')
3732
test_prefix_alias_registry.register('bp', 'bzrlib.plugins')
3735
def _test_suite_testmod_names():
3736
"""Return the standard list of test module names to test."""
3739
'bzrlib.tests.blackbox',
3740
'bzrlib.tests.commands',
3741
'bzrlib.tests.per_branch',
3742
'bzrlib.tests.per_bzrdir',
3743
'bzrlib.tests.per_foreign_vcs',
3744
'bzrlib.tests.per_interrepository',
3745
'bzrlib.tests.per_intertree',
3746
'bzrlib.tests.per_inventory',
3747
'bzrlib.tests.per_interbranch',
3748
'bzrlib.tests.per_lock',
3749
'bzrlib.tests.per_transport',
3750
'bzrlib.tests.per_tree',
3751
'bzrlib.tests.per_pack_repository',
3752
'bzrlib.tests.per_repository',
3753
'bzrlib.tests.per_repository_chk',
3754
'bzrlib.tests.per_repository_reference',
3755
'bzrlib.tests.per_uifactory',
3756
'bzrlib.tests.per_versionedfile',
3757
'bzrlib.tests.per_workingtree',
3758
'bzrlib.tests.test__annotator',
3759
'bzrlib.tests.test__chk_map',
3760
'bzrlib.tests.test__dirstate_helpers',
3761
'bzrlib.tests.test__groupcompress',
3762
'bzrlib.tests.test__known_graph',
3763
'bzrlib.tests.test__rio',
3764
'bzrlib.tests.test__simple_set',
3765
'bzrlib.tests.test__static_tuple',
3766
'bzrlib.tests.test__walkdirs_win32',
3767
'bzrlib.tests.test_ancestry',
3768
'bzrlib.tests.test_annotate',
3769
'bzrlib.tests.test_api',
3770
'bzrlib.tests.test_atomicfile',
3771
'bzrlib.tests.test_bad_files',
3772
'bzrlib.tests.test_bencode',
3773
'bzrlib.tests.test_bisect_multi',
3774
'bzrlib.tests.test_branch',
3775
'bzrlib.tests.test_branchbuilder',
3776
'bzrlib.tests.test_btree_index',
3777
'bzrlib.tests.test_bugtracker',
3778
'bzrlib.tests.test_bundle',
3779
'bzrlib.tests.test_bzrdir',
3780
'bzrlib.tests.test__chunks_to_lines',
3781
'bzrlib.tests.test_cache_utf8',
3782
'bzrlib.tests.test_chk_map',
3783
'bzrlib.tests.test_chk_serializer',
3784
'bzrlib.tests.test_chunk_writer',
3785
'bzrlib.tests.test_clean_tree',
3786
'bzrlib.tests.test_cleanup',
3787
'bzrlib.tests.test_commands',
3788
'bzrlib.tests.test_commit',
3789
'bzrlib.tests.test_commit_merge',
3790
'bzrlib.tests.test_config',
3791
'bzrlib.tests.test_conflicts',
3792
'bzrlib.tests.test_counted_lock',
3793
'bzrlib.tests.test_crash',
3794
'bzrlib.tests.test_decorators',
3795
'bzrlib.tests.test_delta',
3796
'bzrlib.tests.test_debug',
3797
'bzrlib.tests.test_deprecated_graph',
3798
'bzrlib.tests.test_diff',
3799
'bzrlib.tests.test_directory_service',
3800
'bzrlib.tests.test_dirstate',
3801
'bzrlib.tests.test_email_message',
3802
'bzrlib.tests.test_eol_filters',
3803
'bzrlib.tests.test_errors',
3804
'bzrlib.tests.test_export',
3805
'bzrlib.tests.test_extract',
3806
'bzrlib.tests.test_fetch',
3807
'bzrlib.tests.test_fifo_cache',
3808
'bzrlib.tests.test_filters',
3809
'bzrlib.tests.test_ftp_transport',
3810
'bzrlib.tests.test_foreign',
3811
'bzrlib.tests.test_generate_docs',
3812
'bzrlib.tests.test_generate_ids',
3813
'bzrlib.tests.test_globbing',
3814
'bzrlib.tests.test_gpg',
3815
'bzrlib.tests.test_graph',
3816
'bzrlib.tests.test_groupcompress',
3817
'bzrlib.tests.test_hashcache',
3818
'bzrlib.tests.test_help',
3819
'bzrlib.tests.test_hooks',
3820
'bzrlib.tests.test_http',
3821
'bzrlib.tests.test_http_response',
3822
'bzrlib.tests.test_https_ca_bundle',
3823
'bzrlib.tests.test_identitymap',
3824
'bzrlib.tests.test_ignores',
3825
'bzrlib.tests.test_index',
3826
'bzrlib.tests.test_info',
3827
'bzrlib.tests.test_inv',
3828
'bzrlib.tests.test_inventory_delta',
3829
'bzrlib.tests.test_knit',
3830
'bzrlib.tests.test_lazy_import',
3831
'bzrlib.tests.test_lazy_regex',
3832
'bzrlib.tests.test_lock',
3833
'bzrlib.tests.test_lockable_files',
3834
'bzrlib.tests.test_lockdir',
3835
'bzrlib.tests.test_log',
3836
'bzrlib.tests.test_lru_cache',
3837
'bzrlib.tests.test_lsprof',
3838
'bzrlib.tests.test_mail_client',
3839
'bzrlib.tests.test_memorytree',
3840
'bzrlib.tests.test_merge',
3841
'bzrlib.tests.test_merge3',
3842
'bzrlib.tests.test_merge_core',
3843
'bzrlib.tests.test_merge_directive',
3844
'bzrlib.tests.test_missing',
3845
'bzrlib.tests.test_msgeditor',
3846
'bzrlib.tests.test_multiparent',
3847
'bzrlib.tests.test_mutabletree',
3848
'bzrlib.tests.test_nonascii',
3849
'bzrlib.tests.test_options',
3850
'bzrlib.tests.test_osutils',
3851
'bzrlib.tests.test_osutils_encodings',
3852
'bzrlib.tests.test_pack',
3853
'bzrlib.tests.test_patch',
3854
'bzrlib.tests.test_patches',
3855
'bzrlib.tests.test_permissions',
3856
'bzrlib.tests.test_plugins',
3857
'bzrlib.tests.test_progress',
3858
'bzrlib.tests.test_read_bundle',
3859
'bzrlib.tests.test_reconcile',
3860
'bzrlib.tests.test_reconfigure',
3861
'bzrlib.tests.test_registry',
3862
'bzrlib.tests.test_remote',
3863
'bzrlib.tests.test_rename_map',
3864
'bzrlib.tests.test_repository',
3865
'bzrlib.tests.test_revert',
3866
'bzrlib.tests.test_revision',
3867
'bzrlib.tests.test_revisionspec',
3868
'bzrlib.tests.test_revisiontree',
3869
'bzrlib.tests.test_rio',
3870
'bzrlib.tests.test_rules',
3871
'bzrlib.tests.test_sampler',
3872
'bzrlib.tests.test_script',
3873
'bzrlib.tests.test_selftest',
3874
'bzrlib.tests.test_serializer',
3875
'bzrlib.tests.test_setup',
3876
'bzrlib.tests.test_sftp_transport',
3877
'bzrlib.tests.test_shelf',
3878
'bzrlib.tests.test_shelf_ui',
3879
'bzrlib.tests.test_smart',
3880
'bzrlib.tests.test_smart_add',
3881
'bzrlib.tests.test_smart_request',
3882
'bzrlib.tests.test_smart_transport',
3883
'bzrlib.tests.test_smtp_connection',
3884
'bzrlib.tests.test_source',
3885
'bzrlib.tests.test_ssh_transport',
3886
'bzrlib.tests.test_status',
3887
'bzrlib.tests.test_store',
3888
'bzrlib.tests.test_strace',
3889
'bzrlib.tests.test_subsume',
3890
'bzrlib.tests.test_switch',
3891
'bzrlib.tests.test_symbol_versioning',
3892
'bzrlib.tests.test_tag',
3893
'bzrlib.tests.test_testament',
3894
'bzrlib.tests.test_textfile',
3895
'bzrlib.tests.test_textmerge',
3896
'bzrlib.tests.test_timestamp',
3897
'bzrlib.tests.test_trace',
3898
'bzrlib.tests.test_transactions',
3899
'bzrlib.tests.test_transform',
3900
'bzrlib.tests.test_transport',
3901
'bzrlib.tests.test_transport_log',
3902
'bzrlib.tests.test_tree',
3903
'bzrlib.tests.test_treebuilder',
3904
'bzrlib.tests.test_tsort',
3905
'bzrlib.tests.test_tuned_gzip',
3906
'bzrlib.tests.test_ui',
3907
'bzrlib.tests.test_uncommit',
3908
'bzrlib.tests.test_upgrade',
3909
'bzrlib.tests.test_upgrade_stacked',
3910
'bzrlib.tests.test_urlutils',
3911
'bzrlib.tests.test_version',
3912
'bzrlib.tests.test_version_info',
3913
'bzrlib.tests.test_weave',
3914
'bzrlib.tests.test_whitebox',
3915
'bzrlib.tests.test_win32utils',
3916
'bzrlib.tests.test_workingtree',
3917
'bzrlib.tests.test_workingtree_4',
3918
'bzrlib.tests.test_wsgi',
3919
'bzrlib.tests.test_xml',
3923
def _test_suite_modules_to_doctest():
3924
"""Return the list of modules to doctest."""
3927
'bzrlib.branchbuilder',
3930
'bzrlib.iterablefile',
3934
'bzrlib.symbol_versioning',
3937
'bzrlib.version_info_formats.format_custom',
3941
def test_suite(keep_only=None, starting_with=None):
3942
"""Build and return TestSuite for the whole of bzrlib.
3944
:param keep_only: A list of test ids limiting the suite returned.
3946
:param starting_with: An id limiting the suite returned to the tests
3949
This function can be replaced if you need to change the default test
3950
suite on a global basis, but it is not encouraged.
3953
loader = TestUtil.TestLoader()
3955
if keep_only is not None:
3956
id_filter = TestIdList(keep_only)
3958
# We take precedence over keep_only because *at loading time* using
3959
# both options means we will load less tests for the same final result.
3960
def interesting_module(name):
3961
for start in starting_with:
3963
# Either the module name starts with the specified string
3964
name.startswith(start)
3965
# or it may contain tests starting with the specified string
3966
or start.startswith(name)
3970
loader = TestUtil.FilteredByModuleTestLoader(interesting_module)
3972
elif keep_only is not None:
3973
loader = TestUtil.FilteredByModuleTestLoader(id_filter.refers_to)
3974
def interesting_module(name):
3975
return id_filter.refers_to(name)
3978
loader = TestUtil.TestLoader()
3979
def interesting_module(name):
3980
# No filtering, all modules are interesting
3983
suite = loader.suiteClass()
3985
# modules building their suite with loadTestsFromModuleNames
3986
suite.addTest(loader.loadTestsFromModuleNames(_test_suite_testmod_names()))
3988
for mod in _test_suite_modules_to_doctest():
3989
if not interesting_module(mod):
3990
# No tests to keep here, move along
3993
# note that this really does mean "report only" -- doctest
3994
# still runs the rest of the examples
3995
doc_suite = doctest.DocTestSuite(mod,
3996
optionflags=doctest.REPORT_ONLY_FIRST_FAILURE)
3997
except ValueError, e:
3998
print '**failed to get doctest for: %s\n%s' % (mod, e)
4000
if len(doc_suite._tests) == 0:
4001
raise errors.BzrError("no doctests found in %s" % (mod,))
4002
suite.addTest(doc_suite)
4004
default_encoding = sys.getdefaultencoding()
4005
for name, plugin in bzrlib.plugin.plugins().items():
4006
if not interesting_module(plugin.module.__name__):
4008
plugin_suite = plugin.test_suite()
4009
# We used to catch ImportError here and turn it into just a warning,
4010
# but really if you don't have --no-plugins this should be a failure.
4011
# mbp 20080213 - see http://bugs.launchpad.net/bugs/189771
4012
if plugin_suite is None:
4013
plugin_suite = plugin.load_plugin_tests(loader)
4014
if plugin_suite is not None:
4015
suite.addTest(plugin_suite)
4016
if default_encoding != sys.getdefaultencoding():
4017
bzrlib.trace.warning(
4018
'Plugin "%s" tried to reset default encoding to: %s', name,
4019
sys.getdefaultencoding())
4021
sys.setdefaultencoding(default_encoding)
4023
if keep_only is not None:
4024
# Now that the referred modules have loaded their tests, keep only the
4026
suite = filter_suite_by_id_list(suite, id_filter)
4027
# Do some sanity checks on the id_list filtering
4028
not_found, duplicates = suite_matches_id_list(suite, keep_only)
4030
# The tester has used both keep_only and starting_with, so he is
4031
# already aware that some tests are excluded from the list, there
4032
# is no need to tell him which.
4035
# Some tests mentioned in the list are not in the test suite. The
4036
# list may be out of date, report to the tester.
4037
for id in not_found:
4038
bzrlib.trace.warning('"%s" not found in the test suite', id)
4039
for id in duplicates:
4040
bzrlib.trace.warning('"%s" is used as an id by several tests', id)
4045
def multiply_scenarios(scenarios_left, scenarios_right):
4046
"""Multiply two sets of scenarios.
4048
:returns: the cartesian product of the two sets of scenarios, that is
4049
a scenario for every possible combination of a left scenario and a
4053
('%s,%s' % (left_name, right_name),
4054
dict(left_dict.items() + right_dict.items()))
4055
for left_name, left_dict in scenarios_left
4056
for right_name, right_dict in scenarios_right]
4059
def multiply_tests(tests, scenarios, result):
4060
"""Multiply tests_list by scenarios into result.
4062
This is the core workhorse for test parameterisation.
4064
Typically the load_tests() method for a per-implementation test suite will
4065
call multiply_tests and return the result.
4067
:param tests: The tests to parameterise.
4068
:param scenarios: The scenarios to apply: pairs of (scenario_name,
4069
scenario_param_dict).
4070
:param result: A TestSuite to add created tests to.
4072
This returns the passed in result TestSuite with the cross product of all
4073
the tests repeated once for each scenario. Each test is adapted by adding
4074
the scenario name at the end of its id(), and updating the test object's
4075
__dict__ with the scenario_param_dict.
4077
>>> import bzrlib.tests.test_sampler
4078
>>> r = multiply_tests(
4079
... bzrlib.tests.test_sampler.DemoTest('test_nothing'),
4080
... [('one', dict(param=1)),
4081
... ('two', dict(param=2))],
4083
>>> tests = list(iter_suite_tests(r))
4087
'bzrlib.tests.test_sampler.DemoTest.test_nothing(one)'
4093
for test in iter_suite_tests(tests):
4094
apply_scenarios(test, scenarios, result)
4098
def apply_scenarios(test, scenarios, result):
4099
"""Apply the scenarios in scenarios to test and add to result.
4101
:param test: The test to apply scenarios to.
4102
:param scenarios: An iterable of scenarios to apply to test.
4104
:seealso: apply_scenario
4106
for scenario in scenarios:
4107
result.addTest(apply_scenario(test, scenario))
4111
def apply_scenario(test, scenario):
4112
"""Copy test and apply scenario to it.
4114
:param test: A test to adapt.
4115
:param scenario: A tuple describing the scenarion.
4116
The first element of the tuple is the new test id.
4117
The second element is a dict containing attributes to set on the
4119
:return: The adapted test.
4121
new_id = "%s(%s)" % (test.id(), scenario[0])
4122
new_test = clone_test(test, new_id)
4123
for name, value in scenario[1].items():
4124
setattr(new_test, name, value)
4128
def clone_test(test, new_id):
4129
"""Clone a test giving it a new id.
4131
:param test: The test to clone.
4132
:param new_id: The id to assign to it.
4133
:return: The new test.
4135
new_test = copy(test)
4136
new_test.id = lambda: new_id
4140
def _rmtree_temp_dir(dirname, test_id=None):
4141
# If LANG=C we probably have created some bogus paths
4142
# which rmtree(unicode) will fail to delete
4143
# so make sure we are using rmtree(str) to delete everything
4144
# except on win32, where rmtree(str) will fail
4145
# since it doesn't have the property of byte-stream paths
4146
# (they are either ascii or mbcs)
4147
if sys.platform == 'win32':
4148
# make sure we are using the unicode win32 api
4149
dirname = unicode(dirname)
4151
dirname = dirname.encode(sys.getfilesystemencoding())
4153
osutils.rmtree(dirname)
4155
# We don't want to fail here because some useful display will be lost
4156
# otherwise. Polluting the tmp dir is bad, but not giving all the
4157
# possible info to the test runner is even worse.
4159
ui.ui_factory.clear_term()
4160
sys.stderr.write('\nWhile running: %s\n' % (test_id,))
4161
sys.stderr.write('Unable to remove testing dir %s\n%s'
4162
% (os.path.basename(dirname), e))
4165
class Feature(object):
4166
"""An operating system Feature."""
4169
self._available = None
4171
def available(self):
4172
"""Is the feature available?
4174
:return: True if the feature is available.
4176
if self._available is None:
4177
self._available = self._probe()
4178
return self._available
4181
"""Implement this method in concrete features.
4183
:return: True if the feature is available.
4185
raise NotImplementedError
4188
if getattr(self, 'feature_name', None):
4189
return self.feature_name()
4190
return self.__class__.__name__
4193
class _SymlinkFeature(Feature):
4196
return osutils.has_symlinks()
4198
def feature_name(self):
4201
SymlinkFeature = _SymlinkFeature()
4204
class _HardlinkFeature(Feature):
4207
return osutils.has_hardlinks()
4209
def feature_name(self):
4212
HardlinkFeature = _HardlinkFeature()
4215
class _OsFifoFeature(Feature):
4218
return getattr(os, 'mkfifo', None)
4220
def feature_name(self):
4221
return 'filesystem fifos'
4223
OsFifoFeature = _OsFifoFeature()
4226
class _UnicodeFilenameFeature(Feature):
4227
"""Does the filesystem support Unicode filenames?"""
4231
# Check for character combinations unlikely to be covered by any
4232
# single non-unicode encoding. We use the characters
4233
# - greek small letter alpha (U+03B1) and
4234
# - braille pattern dots-123456 (U+283F).
4235
os.stat(u'\u03b1\u283f')
4236
except UnicodeEncodeError:
4238
except (IOError, OSError):
4239
# The filesystem allows the Unicode filename but the file doesn't
4243
# The filesystem allows the Unicode filename and the file exists,
4247
UnicodeFilenameFeature = _UnicodeFilenameFeature()
4250
class ModuleAvailableFeature(Feature):
4251
"""This is a feature than describes a module we want to be available.
4253
Declare the name of the module in __init__(), and then after probing, the
4254
module will be available as 'self.module'.
4256
:ivar module: The module if it is available, else None.
4259
def __init__(self, module_name):
4260
super(ModuleAvailableFeature, self).__init__()
4261
self.module_name = module_name
4265
self._module = __import__(self.module_name, {}, {}, [''])
4272
if self.available(): # Make sure the probe has been done
4276
def feature_name(self):
4277
return self.module_name
4281
def probe_unicode_in_user_encoding():
4282
"""Try to encode several unicode strings to use in unicode-aware tests.
4283
Return first successfull match.
4285
:return: (unicode value, encoded plain string value) or (None, None)
4287
possible_vals = [u'm\xb5', u'\xe1', u'\u0410']
4288
for uni_val in possible_vals:
4290
str_val = uni_val.encode(osutils.get_user_encoding())
4291
except UnicodeEncodeError:
4292
# Try a different character
4295
return uni_val, str_val
4299
def probe_bad_non_ascii(encoding):
4300
"""Try to find [bad] character with code [128..255]
4301
that cannot be decoded to unicode in some encoding.
4302
Return None if all non-ascii characters is valid
4305
for i in xrange(128, 256):
4308
char.decode(encoding)
4309
except UnicodeDecodeError:
4314
class _HTTPSServerFeature(Feature):
4315
"""Some tests want an https Server, check if one is available.
4317
Right now, the only way this is available is under python2.6 which provides
4328
def feature_name(self):
4329
return 'HTTPSServer'
4332
HTTPSServerFeature = _HTTPSServerFeature()
4335
class _ParamikoFeature(Feature):
4336
"""Is paramiko available?"""
4340
from bzrlib.transport.sftp import SFTPAbsoluteServer
4342
except errors.ParamikoNotPresent:
4345
def feature_name(self):
4349
ParamikoFeature = _ParamikoFeature()
4352
class _UnicodeFilename(Feature):
4353
"""Does the filesystem support Unicode filenames?"""
4358
except UnicodeEncodeError:
4360
except (IOError, OSError):
4361
# The filesystem allows the Unicode filename but the file doesn't
4365
# The filesystem allows the Unicode filename and the file exists,
4369
UnicodeFilename = _UnicodeFilename()
4372
class _UTF8Filesystem(Feature):
4373
"""Is the filesystem UTF-8?"""
4376
if osutils._fs_enc.upper() in ('UTF-8', 'UTF8'):
4380
UTF8Filesystem = _UTF8Filesystem()
4383
class _BreakinFeature(Feature):
4384
"""Does this platform support the breakin feature?"""
4387
from bzrlib import breakin
4388
if breakin.determine_signal() is None:
4390
if sys.platform == 'win32':
4391
# Windows doesn't have os.kill, and we catch the SIGBREAK signal.
4392
# We trigger SIGBREAK via a Console api so we need ctypes to
4393
# access the function
4400
def feature_name(self):
4401
return "SIGQUIT or SIGBREAK w/ctypes on win32"
4404
BreakinFeature = _BreakinFeature()
4407
class _CaseInsCasePresFilenameFeature(Feature):
4408
"""Is the file-system case insensitive, but case-preserving?"""
4411
fileno, name = tempfile.mkstemp(prefix='MixedCase')
4413
# first check truly case-preserving for created files, then check
4414
# case insensitive when opening existing files.
4415
name = osutils.normpath(name)
4416
base, rel = osutils.split(name)
4417
found_rel = osutils.canonical_relpath(base, name)
4418
return (found_rel == rel
4419
and os.path.isfile(name.upper())
4420
and os.path.isfile(name.lower()))
4425
def feature_name(self):
4426
return "case-insensitive case-preserving filesystem"
4428
CaseInsCasePresFilenameFeature = _CaseInsCasePresFilenameFeature()
4431
class _CaseInsensitiveFilesystemFeature(Feature):
4432
"""Check if underlying filesystem is case-insensitive but *not* case
4435
# Note that on Windows, Cygwin, MacOS etc, the file-systems are far
4436
# more likely to be case preserving, so this case is rare.
4439
if CaseInsCasePresFilenameFeature.available():
4442
if TestCaseWithMemoryTransport.TEST_ROOT is None:
4443
root = osutils.mkdtemp(prefix='testbzr-', suffix='.tmp')
4444
TestCaseWithMemoryTransport.TEST_ROOT = root
4446
root = TestCaseWithMemoryTransport.TEST_ROOT
4447
tdir = osutils.mkdtemp(prefix='case-sensitive-probe-', suffix='',
4449
name_a = osutils.pathjoin(tdir, 'a')
4450
name_A = osutils.pathjoin(tdir, 'A')
4452
result = osutils.isdir(name_A)
4453
_rmtree_temp_dir(tdir)
4456
def feature_name(self):
4457
return 'case-insensitive filesystem'
4459
CaseInsensitiveFilesystemFeature = _CaseInsensitiveFilesystemFeature()
4462
class _SubUnitFeature(Feature):
4463
"""Check if subunit is available."""
4472
def feature_name(self):
4475
SubUnitFeature = _SubUnitFeature()
4476
# Only define SubUnitBzrRunner if subunit is available.
4478
from subunit import TestProtocolClient
4479
class SubUnitBzrRunner(TextTestRunner):
4480
def run(self, test):
4481
result = BzrAutoTimingTestResultDecorator(
4482
TestProtocolClient(self.stream))