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# Copyright (C) 2005, 2006, 2007 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# TODO: Perhaps there should be an API to find out if bzr running under the
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# test suite -- some plugins might want to avoid making intrusive changes if
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# this is the case. However, we want behaviour under to test to diverge as
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# little as possible, so this should be used rarely if it's added at all.
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# (Suggestion from j-a-meinel, 2005-11-24)
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# NOTE: Some classes in here use camelCaseNaming() rather than
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# underscore_naming(). That's for consistency with unittest; it's not the
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# general style of bzrlib. Please continue that consistency when adding e.g.
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# new assertFoo() methods.
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from cStringIO import StringIO
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from pprint import pformat
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from subprocess import Popen, PIPE
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import bzrlib.commands
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import bzrlib.timestamp
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import bzrlib.inventory
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import bzrlib.iterablefile
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# lsprof not available
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from bzrlib.merge import merge_inner
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from bzrlib.revision import common_ancestor
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from bzrlib import symbol_versioning
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from bzrlib.symbol_versioning import (
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from bzrlib.transport import get_transport
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import bzrlib.transport
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from bzrlib.transport.local import LocalURLServer
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from bzrlib.transport.memory import MemoryServer
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from bzrlib.transport.readonly import ReadonlyServer
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from bzrlib.trace import mutter, note
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from bzrlib.tests import TestUtil
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from bzrlib.tests.HttpServer import HttpServer
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from bzrlib.tests.TestUtil import (
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from bzrlib.tests.treeshape import build_tree_contents
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from bzrlib.workingtree import WorkingTree, WorkingTreeFormat2
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# 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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MODULES_TO_DOCTEST = [
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# quoted to avoid module-loading circularity
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def packages_to_test():
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"""Return a list of packages to test.
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The packages are not globally imported so that import failures are
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triggered when running selftest, not when importing the command.
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import bzrlib.tests.blackbox
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import bzrlib.tests.branch_implementations
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import bzrlib.tests.bzrdir_implementations
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import bzrlib.tests.commands
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import bzrlib.tests.interrepository_implementations
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import bzrlib.tests.interversionedfile_implementations
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import bzrlib.tests.intertree_implementations
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import bzrlib.tests.inventory_implementations
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import bzrlib.tests.per_lock
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import bzrlib.tests.repository_implementations
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import bzrlib.tests.revisionstore_implementations
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import bzrlib.tests.tree_implementations
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import bzrlib.tests.workingtree_implementations
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bzrlib.tests.blackbox,
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bzrlib.tests.branch_implementations,
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bzrlib.tests.bzrdir_implementations,
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bzrlib.tests.commands,
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bzrlib.tests.interrepository_implementations,
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bzrlib.tests.interversionedfile_implementations,
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bzrlib.tests.intertree_implementations,
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bzrlib.tests.inventory_implementations,
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bzrlib.tests.per_lock,
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bzrlib.tests.repository_implementations,
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bzrlib.tests.revisionstore_implementations,
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bzrlib.tests.tree_implementations,
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bzrlib.tests.workingtree_implementations,
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class ExtendedTestResult(unittest._TextTestResult):
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"""Accepts, reports and accumulates the results of running tests.
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Compared to this unittest version this class adds support for
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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.num_tests = num_tests
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self.failure_count = 0
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self.known_failure_count = 0
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self.not_applicable_count = 0
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self.unsupported = {}
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self._overall_start_time = time.time()
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def _extractBenchmarkTime(self, testCase):
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"""Add a benchmark time for the current test case."""
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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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self._formatTime(benchmark_time),
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self._elapsedTestTimeString())
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return " %s" % self._elapsedTestTimeString()
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def _formatTime(self, seconds):
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"""Format seconds as milliseconds with leading spaces."""
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# some benchmarks can take thousands of seconds to run, so we need 8
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return "%8dms" % (1000 * seconds)
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def _shortened_test_description(self, test):
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what = re.sub(r'^bzrlib\.(tests|benchmarks)\.', '', what)
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def startTest(self, test):
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unittest.TestResult.startTest(self, test)
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self.report_test_start(test)
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test.number = self.count
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self._recordTestStartTime()
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def _recordTestStartTime(self):
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"""Record that a test has started."""
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self._start_time = time.time()
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def _cleanupLogFile(self, test):
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# We can only do this if we have one of our TestCases, not if
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setKeepLogfile = getattr(test, 'setKeepLogfile', None)
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if setKeepLogfile is not None:
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def addError(self, test, err):
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"""Tell result that test finished with an error.
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Called from the TestCase run() method when the test
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fails with an unexpected error.
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self._testConcluded(test)
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if isinstance(err[1], TestSkipped):
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return self._addSkipped(test, err)
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elif isinstance(err[1], UnavailableFeature):
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return self.addNotSupported(test, err[1].args[0])
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unittest.TestResult.addError(self, test, err)
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self.error_count += 1
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self.report_error(test, err)
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def addFailure(self, test, err):
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"""Tell result that test failed.
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Called from the TestCase run() method when the test
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fails because e.g. an assert() method failed.
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self._testConcluded(test)
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if isinstance(err[1], KnownFailure):
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return self._addKnownFailure(test, err)
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unittest.TestResult.addFailure(self, test, err)
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self.failure_count += 1
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self.report_failure(test, err)
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def addSuccess(self, test):
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"""Tell result that test completed successfully.
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Called from the TestCase run()
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self._testConcluded(test)
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if self._bench_history is not None:
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benchmark_time = self._extractBenchmarkTime(test)
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if benchmark_time is not None:
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self._bench_history.write("%s %s\n" % (
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self._formatTime(benchmark_time),
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self.report_success(test)
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unittest.TestResult.addSuccess(self, test)
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def _testConcluded(self, test):
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"""Common code when a test has finished.
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Called regardless of whether it succeded, failed, etc.
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self._cleanupLogFile(test)
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def _addKnownFailure(self, test, err):
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self.known_failure_count += 1
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self.report_known_failure(test, err)
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def addNotSupported(self, test, feature):
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"""The test will not be run because of a missing feature.
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# this can be called in two different ways: it may be that the
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# test started running, and then raised (through addError)
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# UnavailableFeature. Alternatively this method can be called
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# while probing for features before running the tests; in that
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# case we will see startTest and stopTest, but the test will never
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self.unsupported.setdefault(str(feature), 0)
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self.unsupported[str(feature)] += 1
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self.report_unsupported(test, feature)
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def _addSkipped(self, test, skip_excinfo):
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if isinstance(skip_excinfo[1], TestNotApplicable):
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self.not_applicable_count += 1
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self.report_not_applicable(test, skip_excinfo)
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self.report_skip(test, skip_excinfo)
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except KeyboardInterrupt:
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self.addError(test, test.__exc_info())
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# seems best to treat this as success from point-of-view of unittest
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# -- it actually does nothing so it barely matters :)
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unittest.TestResult.addSuccess(self, test)
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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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print >>self.stream, \
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('vvvv[log from %s]' % test.id()).ljust(78,'-')
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print >>self.stream, test._get_log()
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print >>self.stream, \
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('^^^^[log from %s]' % test.id()).ljust(78,'-')
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self.stream.writeln(self.separator2)
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self.stream.writeln("%s" % err)
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def report_cleaning_up(self):
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def report_success(self, test):
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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, num_tests)
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self.pb = self.ui.nested_progress_bar()
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self._supplied_pb = False
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self._supplied_pb = True
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self.pb.show_pct = False
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self.pb.show_spinner = False
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self.pb.show_eta = False,
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self.pb.show_count = False
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self.pb.show_bar = False
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def report_starting(self):
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self.pb.update('[test 0/%d] starting...' % (self.num_tests))
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def _progress_prefix_text(self):
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a = '[%d' % self.count
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if self.num_tests is not None:
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a +='/%d' % self.num_tests
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a += ' in %ds' % (time.time() - self._overall_start_time)
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a += ', %d errors' % self.error_count
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if self.failure_count:
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a += ', %d failed' % self.failure_count
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if self.known_failure_count:
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a += ', %d known failures' % self.known_failure_count
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a += ', %d skipped' % self.skip_count
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a += ', %d missing features' % len(self.unsupported)
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def report_test_start(self, test):
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self._progress_prefix_text()
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+ self._shortened_test_description(test))
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def _test_description(self, test):
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return self._shortened_test_description(test)
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def report_error(self, test, err):
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self.pb.note('ERROR: %s\n %s\n',
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self._test_description(test),
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def report_failure(self, test, err):
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self.pb.note('FAIL: %s\n %s\n',
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self._test_description(test),
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def report_known_failure(self, test, err):
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self.pb.note('XFAIL: %s\n%s\n',
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self._test_description(test), err[1])
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def report_skip(self, test, skip_excinfo):
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def report_not_applicable(self, test, skip_excinfo):
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def report_unsupported(self, test, feature):
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"""test cannot be run because feature is missing."""
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def report_cleaning_up(self):
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self.pb.update('cleaning up...')
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if not self._supplied_pb:
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class VerboseTestResult(ExtendedTestResult):
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"""Produce long output, with one line per test run plus times"""
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def _ellipsize_to_right(self, a_string, final_width):
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"""Truncate and pad a string, keeping the right hand side"""
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if len(a_string) > final_width:
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result = '...' + a_string[3-final_width:]
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return result.ljust(final_width)
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def report_starting(self):
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self.stream.write('running %d tests...\n' % self.num_tests)
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def report_test_start(self, test):
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name = self._shortened_test_description(test)
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# width needs space for 6 char status, plus 1 for slash, plus 2 10-char
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# numbers, plus a trailing blank
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# when NUMBERED_DIRS: plus 5 chars on test number, plus 1 char on space
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self.stream.write(self._ellipsize_to_right(name,
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osutils.terminal_width()-30))
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def _error_summary(self, err):
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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, skip_excinfo):
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self.stream.writeln(' SKIP %s\n%s'
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% (self._testTimeString(test),
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self._error_summary(skip_excinfo)))
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def report_not_applicable(self, test, skip_excinfo):
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self.stream.writeln(' N/A %s\n%s'
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% (self._testTimeString(test),
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self._error_summary(skip_excinfo)))
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def report_unsupported(self, test, feature):
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"""test cannot be run because feature is missing."""
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self.stream.writeln("NODEP %s\n The feature '%s' is not available."
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%(self._testTimeString(test), feature))
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class TextTestRunner(object):
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stop_on_failure = False
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self.stream = unittest._WritelnDecorator(stream)
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self.descriptions = descriptions
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self.verbosity = verbosity
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self._bench_history = bench_history
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self.list_only = list_only
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"Run the given test case or test suite."
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startTime = time.time()
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if self.verbosity == 1:
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result_class = TextTestResult
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elif self.verbosity >= 2:
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result_class = VerboseTestResult
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result = result_class(self.stream,
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bench_history=self._bench_history,
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num_tests=test.countTestCases(),
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result.stop_early = self.stop_on_failure
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result.report_starting()
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if self.verbosity >= 2:
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self.stream.writeln("Listing tests only ...\n")
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for t in iter_suite_tests(test):
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self.stream.writeln("%s" % (t.id()))
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actionTaken = "Listed"
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run = result.testsRun
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stopTime = time.time()
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timeTaken = stopTime - startTime
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self.stream.writeln(result.separator2)
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self.stream.writeln("%s %d test%s in %.3fs" % (actionTaken,
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run, run != 1 and "s" or "", timeTaken))
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self.stream.writeln()
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if not result.wasSuccessful():
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self.stream.write("FAILED (")
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failed, errored = map(len, (result.failures, result.errors))
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self.stream.write("failures=%d" % failed)
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if failed: self.stream.write(", ")
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self.stream.write("errors=%d" % errored)
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if result.known_failure_count:
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if failed or errored: self.stream.write(", ")
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self.stream.write("known_failure_count=%d" %
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result.known_failure_count)
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self.stream.writeln(")")
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if result.known_failure_count:
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self.stream.writeln("OK (known_failures=%d)" %
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result.known_failure_count)
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self.stream.writeln("OK")
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if result.skip_count > 0:
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skipped = result.skip_count
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self.stream.writeln('%d test%s skipped' %
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(skipped, skipped != 1 and "s" or ""))
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if result.unsupported:
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for feature, count in sorted(result.unsupported.items()):
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self.stream.writeln("Missing feature '%s' skipped %d tests." %
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def iter_suite_tests(suite):
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"""Return all tests in a suite, recursing through nested suites"""
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for item in suite._tests:
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if isinstance(item, unittest.TestCase):
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elif isinstance(item, unittest.TestSuite):
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for r in iter_suite_tests(item):
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raise Exception('unknown object %r inside test suite %r'
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class TestSkipped(Exception):
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"""Indicates that a test was intentionally skipped, rather than failing."""
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class TestNotApplicable(TestSkipped):
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"""A test is not applicable to the situation where it was run.
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This is only normally raised by parameterized tests, if they find that
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the instance they're constructed upon does not support one aspect
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class KnownFailure(AssertionError):
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"""Indicates that a test failed in a precisely expected manner.
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Such failures dont block the whole test suite from passing because they are
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indicators of partially completed code or of future work. We have an
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explicit error for them so that we can ensure that they are always visible:
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KnownFailures are always shown in the output of bzr selftest.
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class UnavailableFeature(Exception):
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"""A feature required for this test was not available.
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The feature should be used to construct the exception.
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class CommandFailed(Exception):
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class StringIOWrapper(object):
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"""A wrapper around cStringIO which just adds an encoding attribute.
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Internally we can check sys.stdout to see what the output encoding
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should be. However, cStringIO has no encoding attribute that we can
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set. So we wrap it instead.
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def __init__(self, s=None):
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self.__dict__['_cstring'] = StringIO(s)
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self.__dict__['_cstring'] = StringIO()
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def __getattr__(self, name, getattr=getattr):
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return getattr(self.__dict__['_cstring'], name)
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def __setattr__(self, name, val):
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if name == 'encoding':
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self.__dict__['encoding'] = val
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return setattr(self._cstring, name, val)
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class TestUIFactory(ui.CLIUIFactory):
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"""A UI Factory for testing.
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Hide the progress bar but emit note()s.
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Allows get_password to be tested without real tty attached.
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super(TestUIFactory, self).__init__()
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if stdin is not None:
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# We use a StringIOWrapper to be able to test various
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# encodings, but the user is still responsible to
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# encode the string and to set the encoding attribute
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# of StringIOWrapper.
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self.stdin = StringIOWrapper(stdin)
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self.stdout = sys.stdout
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self.stderr = sys.stderr
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"""See progress.ProgressBar.clear()."""
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def clear_term(self):
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"""See progress.ProgressBar.clear_term()."""
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def clear_term(self):
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"""See progress.ProgressBar.clear_term()."""
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"""See progress.ProgressBar.finished()."""
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def note(self, fmt_string, *args, **kwargs):
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"""See progress.ProgressBar.note()."""
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self.stdout.write((fmt_string + "\n") % args)
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def progress_bar(self):
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def nested_progress_bar(self):
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def update(self, message, count=None, total=None):
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"""See progress.ProgressBar.update()."""
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def get_non_echoed_password(self, prompt):
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"""Get password from stdin without trying to handle the echo mode"""
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self.stdout.write(prompt.encode(self.stdout.encoding, 'replace'))
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password = self.stdin.readline()
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if password[-1] == '\n':
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password = password[:-1]
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class TestCase(unittest.TestCase):
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"""Base class for bzr unit tests.
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Tests that need access to disk resources should subclass
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TestCaseInTempDir not TestCase.
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Error and debug log messages are redirected from their usual
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location into a temporary file, the contents of which can be
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retrieved by _get_log(). We use a real OS file, not an in-memory object,
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so that it can also capture file IO. When the test completes this file
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is read into memory and removed from disk.
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There are also convenience functions to invoke bzr's command-line
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routine, and to build and check bzr trees.
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In addition to the usual method of overriding tearDown(), this class also
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allows subclasses to register functions into the _cleanups list, which is
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run in order as the object is torn down. It's less likely this will be
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accidentally overlooked.
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_log_file_name = None
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_keep_log_file = False
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# record lsprof data when performing benchmark calls.
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_gather_lsprof_in_benchmarks = False
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def __init__(self, methodName='testMethod'):
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super(TestCase, self).__init__(methodName)
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unittest.TestCase.setUp(self)
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self._cleanEnvironment()
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bzrlib.trace.disable_default_logging()
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self._benchcalls = []
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self._benchtime = None
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self._clear_debug_flags()
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def _clear_debug_flags(self):
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"""Prevent externally set debug flags affecting tests.
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Tests that want to use debug flags can just set them in the
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debug_flags set during setup/teardown.
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self._preserved_debug_flags = set(debug.debug_flags)
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debug.debug_flags.clear()
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self.addCleanup(self._restore_debug_flags)
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def _clear_hooks(self):
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# prevent hooks affecting tests
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import bzrlib.smart.server
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self._preserved_hooks = {
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bzrlib.branch.Branch: bzrlib.branch.Branch.hooks,
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bzrlib.smart.server.SmartTCPServer: bzrlib.smart.server.SmartTCPServer.hooks,
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self.addCleanup(self._restoreHooks)
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# reset all hooks to an empty instance of the appropriate type
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bzrlib.branch.Branch.hooks = bzrlib.branch.BranchHooks()
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bzrlib.smart.server.SmartTCPServer.hooks = bzrlib.smart.server.SmartServerHooks()
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def _silenceUI(self):
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"""Turn off UI for duration of test"""
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# by default the UI is off; tests can turn it on if they want it.
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saved = ui.ui_factory
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ui.ui_factory = saved
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ui.ui_factory = ui.SilentUIFactory()
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self.addCleanup(_restore)
828
def _ndiff_strings(self, a, b):
829
"""Return ndiff between two strings containing lines.
831
A trailing newline is added if missing to make the strings
833
if b and b[-1] != '\n':
835
if a and a[-1] != '\n':
837
difflines = difflib.ndiff(a.splitlines(True),
839
linejunk=lambda x: False,
840
charjunk=lambda x: False)
841
return ''.join(difflines)
843
def assertEqual(self, a, b, message=''):
847
except UnicodeError, e:
848
# If we can't compare without getting a UnicodeError, then
849
# obviously they are different
850
mutter('UnicodeError: %s', e)
853
raise AssertionError("%snot equal:\na = %s\nb = %s\n"
855
pformat(a), pformat(b)))
857
assertEquals = assertEqual
859
def assertEqualDiff(self, a, b, message=None):
860
"""Assert two texts are equal, if not raise an exception.
862
This is intended for use with multi-line strings where it can
863
be hard to find the differences by eye.
865
# TODO: perhaps override assertEquals to call this for strings?
869
message = "texts not equal:\n"
870
raise AssertionError(message +
871
self._ndiff_strings(a, b))
873
def assertEqualMode(self, mode, mode_test):
874
self.assertEqual(mode, mode_test,
875
'mode mismatch %o != %o' % (mode, mode_test))
877
def assertPositive(self, val):
878
"""Assert that val is greater than 0."""
879
self.assertTrue(val > 0, 'expected a positive value, but got %s' % val)
881
def assertNegative(self, val):
882
"""Assert that val is less than 0."""
883
self.assertTrue(val < 0, 'expected a negative value, but got %s' % val)
885
def assertStartsWith(self, s, prefix):
886
if not s.startswith(prefix):
887
raise AssertionError('string %r does not start with %r' % (s, prefix))
889
def assertEndsWith(self, s, suffix):
890
"""Asserts that s ends with suffix."""
891
if not s.endswith(suffix):
892
raise AssertionError('string %r does not end with %r' % (s, suffix))
894
def assertContainsRe(self, haystack, needle_re):
895
"""Assert that a contains something matching a regular expression."""
896
if not re.search(needle_re, haystack):
897
if '\n' in haystack or len(haystack) > 60:
898
# a long string, format it in a more readable way
899
raise AssertionError(
900
'pattern "%s" not found in\n"""\\\n%s"""\n'
901
% (needle_re, haystack))
903
raise AssertionError('pattern "%s" not found in "%s"'
904
% (needle_re, haystack))
906
def assertNotContainsRe(self, haystack, needle_re):
907
"""Assert that a does not match a regular expression"""
908
if re.search(needle_re, haystack):
909
raise AssertionError('pattern "%s" found in "%s"'
910
% (needle_re, haystack))
912
def assertSubset(self, sublist, superlist):
913
"""Assert that every entry in sublist is present in superlist."""
914
missing = set(sublist) - set(superlist)
916
raise AssertionError("value(s) %r not present in container %r" %
917
(missing, superlist))
919
def assertListRaises(self, excClass, func, *args, **kwargs):
920
"""Fail unless excClass is raised when the iterator from func is used.
922
Many functions can return generators this makes sure
923
to wrap them in a list() call to make sure the whole generator
924
is run, and that the proper exception is raised.
927
list(func(*args, **kwargs))
931
if getattr(excClass,'__name__', None) is not None:
932
excName = excClass.__name__
934
excName = str(excClass)
935
raise self.failureException, "%s not raised" % excName
937
def assertRaises(self, excClass, callableObj, *args, **kwargs):
938
"""Assert that a callable raises a particular exception.
940
:param excClass: As for the except statement, this may be either an
941
exception class, or a tuple of classes.
942
:param callableObj: A callable, will be passed ``*args`` and
945
Returns the exception so that you can examine it.
948
callableObj(*args, **kwargs)
952
if getattr(excClass,'__name__', None) is not None:
953
excName = excClass.__name__
956
excName = str(excClass)
957
raise self.failureException, "%s not raised" % excName
959
def assertIs(self, left, right, message=None):
960
if not (left is right):
961
if message is not None:
962
raise AssertionError(message)
964
raise AssertionError("%r is not %r." % (left, right))
966
def assertIsNot(self, left, right, message=None):
968
if message is not None:
969
raise AssertionError(message)
971
raise AssertionError("%r is %r." % (left, right))
973
def assertTransportMode(self, transport, path, mode):
974
"""Fail if a path does not have mode mode.
976
If modes are not supported on this transport, the assertion is ignored.
978
if not transport._can_roundtrip_unix_modebits():
980
path_stat = transport.stat(path)
981
actual_mode = stat.S_IMODE(path_stat.st_mode)
982
self.assertEqual(mode, actual_mode,
983
'mode of %r incorrect (%o != %o)' % (path, mode, actual_mode))
985
def assertIsSameRealPath(self, path1, path2):
986
"""Fail if path1 and path2 points to different files"""
987
self.assertEqual(osutils.realpath(path1),
988
osutils.realpath(path2),
989
"apparent paths:\na = %s\nb = %s\n," % (path1, path2))
991
def assertIsInstance(self, obj, kls):
992
"""Fail if obj is not an instance of kls"""
993
if not isinstance(obj, kls):
994
self.fail("%r is an instance of %s rather than %s" % (
995
obj, obj.__class__, kls))
997
def expectFailure(self, reason, assertion, *args, **kwargs):
998
"""Invoke a test, expecting it to fail for the given reason.
1000
This is for assertions that ought to succeed, but currently fail.
1001
(The failure is *expected* but not *wanted*.) Please be very precise
1002
about the failure you're expecting. If a new bug is introduced,
1003
AssertionError should be raised, not KnownFailure.
1005
Frequently, expectFailure should be followed by an opposite assertion.
1008
Intended to be used with a callable that raises AssertionError as the
1009
'assertion' parameter. args and kwargs are passed to the 'assertion'.
1011
Raises KnownFailure if the test fails. Raises AssertionError if the
1016
self.expectFailure('Math is broken', self.assertNotEqual, 54,
1018
self.assertEqual(42, dynamic_val)
1020
This means that a dynamic_val of 54 will cause the test to raise
1021
a KnownFailure. Once math is fixed and the expectFailure is removed,
1022
only a dynamic_val of 42 will allow the test to pass. Anything other
1023
than 54 or 42 will cause an AssertionError.
1026
assertion(*args, **kwargs)
1027
except AssertionError:
1028
raise KnownFailure(reason)
1030
self.fail('Unexpected success. Should have failed: %s' % reason)
1032
def _capture_warnings(self, a_callable, *args, **kwargs):
1033
"""A helper for callDeprecated and applyDeprecated.
1035
:param a_callable: A callable to call.
1036
:param args: The positional arguments for the callable
1037
:param kwargs: The keyword arguments for the callable
1038
:return: A tuple (warnings, result). result is the result of calling
1039
a_callable(``*args``, ``**kwargs``).
1042
def capture_warnings(msg, cls=None, stacklevel=None):
1043
# we've hooked into a deprecation specific callpath,
1044
# only deprecations should getting sent via it.
1045
self.assertEqual(cls, DeprecationWarning)
1046
local_warnings.append(msg)
1047
original_warning_method = symbol_versioning.warn
1048
symbol_versioning.set_warning_method(capture_warnings)
1050
result = a_callable(*args, **kwargs)
1052
symbol_versioning.set_warning_method(original_warning_method)
1053
return (local_warnings, result)
1055
def applyDeprecated(self, deprecation_format, a_callable, *args, **kwargs):
1056
"""Call a deprecated callable without warning the user.
1058
Note that this only captures warnings raised by symbol_versioning.warn,
1059
not other callers that go direct to the warning module.
1061
To test that a deprecated method raises an error, do something like
1064
self.assertRaises(errors.ReservedId,
1065
self.applyDeprecated, zero_ninetyone,
1066
br.append_revision, 'current:')
1068
:param deprecation_format: The deprecation format that the callable
1069
should have been deprecated with. This is the same type as the
1070
parameter to deprecated_method/deprecated_function. If the
1071
callable is not deprecated with this format, an assertion error
1073
:param a_callable: A callable to call. This may be a bound method or
1074
a regular function. It will be called with ``*args`` and
1076
:param args: The positional arguments for the callable
1077
:param kwargs: The keyword arguments for the callable
1078
:return: The result of a_callable(``*args``, ``**kwargs``)
1080
call_warnings, result = self._capture_warnings(a_callable,
1082
expected_first_warning = symbol_versioning.deprecation_string(
1083
a_callable, deprecation_format)
1084
if len(call_warnings) == 0:
1085
self.fail("No deprecation warning generated by call to %s" %
1087
self.assertEqual(expected_first_warning, call_warnings[0])
1090
def callDeprecated(self, expected, callable, *args, **kwargs):
1091
"""Assert that a callable is deprecated in a particular way.
1093
This is a very precise test for unusual requirements. The
1094
applyDeprecated helper function is probably more suited for most tests
1095
as it allows you to simply specify the deprecation format being used
1096
and will ensure that that is issued for the function being called.
1098
Note that this only captures warnings raised by symbol_versioning.warn,
1099
not other callers that go direct to the warning module.
1101
:param expected: a list of the deprecation warnings expected, in order
1102
:param callable: The callable to call
1103
:param args: The positional arguments for the callable
1104
:param kwargs: The keyword arguments for the callable
1106
call_warnings, result = self._capture_warnings(callable,
1108
self.assertEqual(expected, call_warnings)
1111
def _startLogFile(self):
1112
"""Send bzr and test log messages to a temporary file.
1114
The file is removed as the test is torn down.
1116
fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
1117
self._log_file = os.fdopen(fileno, 'w+')
1118
self._log_nonce = bzrlib.trace.enable_test_log(self._log_file)
1119
self._log_file_name = name
1120
self.addCleanup(self._finishLogFile)
1122
def _finishLogFile(self):
1123
"""Finished with the log file.
1125
Close the file and delete it, unless setKeepLogfile was called.
1127
if self._log_file is None:
1129
bzrlib.trace.disable_test_log(self._log_nonce)
1130
self._log_file.close()
1131
self._log_file = None
1132
if not self._keep_log_file:
1133
os.remove(self._log_file_name)
1134
self._log_file_name = None
1136
def setKeepLogfile(self):
1137
"""Make the logfile not be deleted when _finishLogFile is called."""
1138
self._keep_log_file = True
1140
def addCleanup(self, callable):
1141
"""Arrange to run a callable when this case is torn down.
1143
Callables are run in the reverse of the order they are registered,
1144
ie last-in first-out.
1146
if callable in self._cleanups:
1147
raise ValueError("cleanup function %r already registered on %s"
1149
self._cleanups.append(callable)
1151
def _cleanEnvironment(self):
1153
'BZR_HOME': None, # Don't inherit BZR_HOME to all the tests.
1154
'HOME': os.getcwd(),
1155
'APPDATA': None, # bzr now use Win32 API and don't rely on APPDATA
1157
'BZREMAIL': None, # may still be present in the environment
1159
'BZR_PROGRESS_BAR': None,
1161
'SSH_AUTH_SOCK': None,
1165
'https_proxy': None,
1166
'HTTPS_PROXY': None,
1171
# Nobody cares about these ones AFAIK. So far at
1172
# least. If you do (care), please update this comment
1176
'BZR_REMOTE_PATH': None,
1179
self.addCleanup(self._restoreEnvironment)
1180
for name, value in new_env.iteritems():
1181
self._captureVar(name, value)
1183
def _captureVar(self, name, newvalue):
1184
"""Set an environment variable, and reset it when finished."""
1185
self.__old_env[name] = osutils.set_or_unset_env(name, newvalue)
1187
def _restore_debug_flags(self):
1188
debug.debug_flags.clear()
1189
debug.debug_flags.update(self._preserved_debug_flags)
1191
def _restoreEnvironment(self):
1192
for name, value in self.__old_env.iteritems():
1193
osutils.set_or_unset_env(name, value)
1195
def _restoreHooks(self):
1196
for klass, hooks in self._preserved_hooks.items():
1197
setattr(klass, 'hooks', hooks)
1199
def knownFailure(self, reason):
1200
"""This test has failed for some known reason."""
1201
raise KnownFailure(reason)
1203
def run(self, result=None):
1204
if result is None: result = self.defaultTestResult()
1205
for feature in getattr(self, '_test_needs_features', []):
1206
if not feature.available():
1207
result.startTest(self)
1208
if getattr(result, 'addNotSupported', None):
1209
result.addNotSupported(self, feature)
1211
result.addSuccess(self)
1212
result.stopTest(self)
1214
return unittest.TestCase.run(self, result)
1218
unittest.TestCase.tearDown(self)
1220
def time(self, callable, *args, **kwargs):
1221
"""Run callable and accrue the time it takes to the benchmark time.
1223
If lsprofiling is enabled (i.e. by --lsprof-time to bzr selftest) then
1224
this will cause lsprofile statistics to be gathered and stored in
1227
if self._benchtime is None:
1231
if not self._gather_lsprof_in_benchmarks:
1232
return callable(*args, **kwargs)
1234
# record this benchmark
1235
ret, stats = bzrlib.lsprof.profile(callable, *args, **kwargs)
1237
self._benchcalls.append(((callable, args, kwargs), stats))
1240
self._benchtime += time.time() - start
1242
def _runCleanups(self):
1243
"""Run registered cleanup functions.
1245
This should only be called from TestCase.tearDown.
1247
# TODO: Perhaps this should keep running cleanups even if
1248
# one of them fails?
1250
# Actually pop the cleanups from the list so tearDown running
1251
# twice is safe (this happens for skipped tests).
1252
while self._cleanups:
1253
self._cleanups.pop()()
1255
def log(self, *args):
1258
def _get_log(self, keep_log_file=False):
1259
"""Get the log from bzrlib.trace calls from this test.
1261
:param keep_log_file: When True, if the log is still a file on disk
1262
leave it as a file on disk. When False, if the log is still a file
1263
on disk, the log file is deleted and the log preserved as
1265
:return: A string containing the log.
1267
# flush the log file, to get all content
1269
bzrlib.trace._trace_file.flush()
1270
if self._log_contents:
1271
return self._log_contents
1272
if self._log_file_name is not None:
1273
logfile = open(self._log_file_name)
1275
log_contents = logfile.read()
1278
if not keep_log_file:
1279
self._log_contents = log_contents
1281
os.remove(self._log_file_name)
1283
if sys.platform == 'win32' and e.errno == errno.EACCES:
1284
print >>sys.stderr, ('Unable to delete log file '
1285
' %r' % self._log_file_name)
1290
return "DELETED log file to reduce memory footprint"
1292
def requireFeature(self, feature):
1293
"""This test requires a specific feature is available.
1295
:raises UnavailableFeature: When feature is not available.
1297
if not feature.available():
1298
raise UnavailableFeature(feature)
1300
def _run_bzr_autosplit(self, args, retcode, encoding, stdin,
1302
"""Run bazaar command line, splitting up a string command line."""
1303
if isinstance(args, basestring):
1304
args = list(shlex.split(args))
1305
return self._run_bzr_core(args, retcode=retcode,
1306
encoding=encoding, stdin=stdin, working_dir=working_dir,
1309
def _run_bzr_core(self, args, retcode, encoding, stdin,
1311
if encoding is None:
1312
encoding = bzrlib.user_encoding
1313
stdout = StringIOWrapper()
1314
stderr = StringIOWrapper()
1315
stdout.encoding = encoding
1316
stderr.encoding = encoding
1318
self.log('run bzr: %r', args)
1319
# FIXME: don't call into logging here
1320
handler = logging.StreamHandler(stderr)
1321
handler.setLevel(logging.INFO)
1322
logger = logging.getLogger('')
1323
logger.addHandler(handler)
1324
old_ui_factory = ui.ui_factory
1325
ui.ui_factory = TestUIFactory(stdin=stdin, stdout=stdout, stderr=stderr)
1328
if working_dir is not None:
1329
cwd = osutils.getcwd()
1330
os.chdir(working_dir)
1333
result = self.apply_redirected(ui.ui_factory.stdin,
1335
bzrlib.commands.run_bzr_catch_user_errors,
1338
logger.removeHandler(handler)
1339
ui.ui_factory = old_ui_factory
1343
out = stdout.getvalue()
1344
err = stderr.getvalue()
1346
self.log('output:\n%r', out)
1348
self.log('errors:\n%r', err)
1349
if retcode is not None:
1350
self.assertEquals(retcode, result,
1351
message='Unexpected return code')
1354
def run_bzr(self, args, retcode=0, encoding=None, stdin=None,
1355
working_dir=None, error_regexes=[], output_encoding=None):
1356
"""Invoke bzr, as if it were run from the command line.
1358
The argument list should not include the bzr program name - the
1359
first argument is normally the bzr command. Arguments may be
1360
passed in three ways:
1362
1- A list of strings, eg ["commit", "a"]. This is recommended
1363
when the command contains whitespace or metacharacters, or
1364
is built up at run time.
1366
2- A single string, eg "add a". This is the most convenient
1367
for hardcoded commands.
1369
This runs bzr through the interface that catches and reports
1370
errors, and with logging set to something approximating the
1371
default, so that error reporting can be checked.
1373
This should be the main method for tests that want to exercise the
1374
overall behavior of the bzr application (rather than a unit test
1375
or a functional test of the library.)
1377
This sends the stdout/stderr results into the test's log,
1378
where it may be useful for debugging. See also run_captured.
1380
:keyword stdin: A string to be used as stdin for the command.
1381
:keyword retcode: The status code the command should return;
1383
:keyword working_dir: The directory to run the command in
1384
:keyword error_regexes: A list of expected error messages. If
1385
specified they must be seen in the error output of the command.
1387
out, err = self._run_bzr_autosplit(
1392
working_dir=working_dir,
1394
for regex in error_regexes:
1395
self.assertContainsRe(err, regex)
1398
def run_bzr_error(self, error_regexes, *args, **kwargs):
1399
"""Run bzr, and check that stderr contains the supplied regexes
1401
:param error_regexes: Sequence of regular expressions which
1402
must each be found in the error output. The relative ordering
1404
:param args: command-line arguments for bzr
1405
:param kwargs: Keyword arguments which are interpreted by run_bzr
1406
This function changes the default value of retcode to be 3,
1407
since in most cases this is run when you expect bzr to fail.
1409
:return: (out, err) The actual output of running the command (in case
1410
you want to do more inspection)
1414
# Make sure that commit is failing because there is nothing to do
1415
self.run_bzr_error(['no changes to commit'],
1416
['commit', '-m', 'my commit comment'])
1417
# Make sure --strict is handling an unknown file, rather than
1418
# giving us the 'nothing to do' error
1419
self.build_tree(['unknown'])
1420
self.run_bzr_error(['Commit refused because there are unknown files'],
1421
['commit', --strict', '-m', 'my commit comment'])
1423
kwargs.setdefault('retcode', 3)
1424
kwargs['error_regexes'] = error_regexes
1425
out, err = self.run_bzr(*args, **kwargs)
1428
def run_bzr_subprocess(self, *args, **kwargs):
1429
"""Run bzr in a subprocess for testing.
1431
This starts a new Python interpreter and runs bzr in there.
1432
This should only be used for tests that have a justifiable need for
1433
this isolation: e.g. they are testing startup time, or signal
1434
handling, or early startup code, etc. Subprocess code can't be
1435
profiled or debugged so easily.
1437
:keyword retcode: The status code that is expected. Defaults to 0. If
1438
None is supplied, the status code is not checked.
1439
:keyword env_changes: A dictionary which lists changes to environment
1440
variables. A value of None will unset the env variable.
1441
The values must be strings. The change will only occur in the
1442
child, so you don't need to fix the environment after running.
1443
:keyword universal_newlines: Convert CRLF => LF
1444
:keyword allow_plugins: By default the subprocess is run with
1445
--no-plugins to ensure test reproducibility. Also, it is possible
1446
for system-wide plugins to create unexpected output on stderr,
1447
which can cause unnecessary test failures.
1449
env_changes = kwargs.get('env_changes', {})
1450
working_dir = kwargs.get('working_dir', None)
1451
allow_plugins = kwargs.get('allow_plugins', False)
1453
if isinstance(args[0], list):
1455
elif isinstance(args[0], basestring):
1456
args = list(shlex.split(args[0]))
1458
symbol_versioning.warn(zero_ninetyone %
1459
"passing varargs to run_bzr_subprocess",
1460
DeprecationWarning, stacklevel=3)
1461
process = self.start_bzr_subprocess(args, env_changes=env_changes,
1462
working_dir=working_dir,
1463
allow_plugins=allow_plugins)
1464
# We distinguish between retcode=None and retcode not passed.
1465
supplied_retcode = kwargs.get('retcode', 0)
1466
return self.finish_bzr_subprocess(process, retcode=supplied_retcode,
1467
universal_newlines=kwargs.get('universal_newlines', False),
1470
def start_bzr_subprocess(self, process_args, env_changes=None,
1471
skip_if_plan_to_signal=False,
1473
allow_plugins=False):
1474
"""Start bzr in a subprocess for testing.
1476
This starts a new Python interpreter and runs bzr in there.
1477
This should only be used for tests that have a justifiable need for
1478
this isolation: e.g. they are testing startup time, or signal
1479
handling, or early startup code, etc. Subprocess code can't be
1480
profiled or debugged so easily.
1482
:param process_args: a list of arguments to pass to the bzr executable,
1483
for example ``['--version']``.
1484
:param env_changes: A dictionary which lists changes to environment
1485
variables. A value of None will unset the env variable.
1486
The values must be strings. The change will only occur in the
1487
child, so you don't need to fix the environment after running.
1488
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
1490
:param allow_plugins: If False (default) pass --no-plugins to bzr.
1492
:returns: Popen object for the started process.
1494
if skip_if_plan_to_signal:
1495
if not getattr(os, 'kill', None):
1496
raise TestSkipped("os.kill not available.")
1498
if env_changes is None:
1502
def cleanup_environment():
1503
for env_var, value in env_changes.iteritems():
1504
old_env[env_var] = osutils.set_or_unset_env(env_var, value)
1506
def restore_environment():
1507
for env_var, value in old_env.iteritems():
1508
osutils.set_or_unset_env(env_var, value)
1510
bzr_path = self.get_bzr_path()
1513
if working_dir is not None:
1514
cwd = osutils.getcwd()
1515
os.chdir(working_dir)
1518
# win32 subprocess doesn't support preexec_fn
1519
# so we will avoid using it on all platforms, just to
1520
# make sure the code path is used, and we don't break on win32
1521
cleanup_environment()
1522
command = [sys.executable, bzr_path]
1523
if not allow_plugins:
1524
command.append('--no-plugins')
1525
command.extend(process_args)
1526
process = self._popen(command, stdin=PIPE, stdout=PIPE, stderr=PIPE)
1528
restore_environment()
1534
def _popen(self, *args, **kwargs):
1535
"""Place a call to Popen.
1537
Allows tests to override this method to intercept the calls made to
1538
Popen for introspection.
1540
return Popen(*args, **kwargs)
1542
def get_bzr_path(self):
1543
"""Return the path of the 'bzr' executable for this test suite."""
1544
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
1545
if not os.path.isfile(bzr_path):
1546
# We are probably installed. Assume sys.argv is the right file
1547
bzr_path = sys.argv[0]
1550
def finish_bzr_subprocess(self, process, retcode=0, send_signal=None,
1551
universal_newlines=False, process_args=None):
1552
"""Finish the execution of process.
1554
:param process: the Popen object returned from start_bzr_subprocess.
1555
:param retcode: The status code that is expected. Defaults to 0. If
1556
None is supplied, the status code is not checked.
1557
:param send_signal: an optional signal to send to the process.
1558
:param universal_newlines: Convert CRLF => LF
1559
:returns: (stdout, stderr)
1561
if send_signal is not None:
1562
os.kill(process.pid, send_signal)
1563
out, err = process.communicate()
1565
if universal_newlines:
1566
out = out.replace('\r\n', '\n')
1567
err = err.replace('\r\n', '\n')
1569
if retcode is not None and retcode != process.returncode:
1570
if process_args is None:
1571
process_args = "(unknown args)"
1572
mutter('Output of bzr %s:\n%s', process_args, out)
1573
mutter('Error for bzr %s:\n%s', process_args, err)
1574
self.fail('Command bzr %s failed with retcode %s != %s'
1575
% (process_args, retcode, process.returncode))
1578
def check_inventory_shape(self, inv, shape):
1579
"""Compare an inventory to a list of expected names.
1581
Fail if they are not precisely equal.
1584
shape = list(shape) # copy
1585
for path, ie in inv.entries():
1586
name = path.replace('\\', '/')
1587
if ie.kind == 'directory':
1594
self.fail("expected paths not found in inventory: %r" % shape)
1596
self.fail("unexpected paths found in inventory: %r" % extras)
1598
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
1599
a_callable=None, *args, **kwargs):
1600
"""Call callable with redirected std io pipes.
1602
Returns the return code."""
1603
if not callable(a_callable):
1604
raise ValueError("a_callable must be callable.")
1606
stdin = StringIO("")
1608
if getattr(self, "_log_file", None) is not None:
1609
stdout = self._log_file
1613
if getattr(self, "_log_file", None is not None):
1614
stderr = self._log_file
1617
real_stdin = sys.stdin
1618
real_stdout = sys.stdout
1619
real_stderr = sys.stderr
1624
return a_callable(*args, **kwargs)
1626
sys.stdout = real_stdout
1627
sys.stderr = real_stderr
1628
sys.stdin = real_stdin
1630
def reduceLockdirTimeout(self):
1631
"""Reduce the default lock timeout for the duration of the test, so that
1632
if LockContention occurs during a test, it does so quickly.
1634
Tests that expect to provoke LockContention errors should call this.
1636
orig_timeout = bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS
1638
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = orig_timeout
1639
self.addCleanup(resetTimeout)
1640
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = 0
1642
def make_utf8_encoded_stringio(self, encoding_type=None):
1643
"""Return a StringIOWrapper instance, that will encode Unicode
1646
if encoding_type is None:
1647
encoding_type = 'strict'
1649
output_encoding = 'utf-8'
1650
sio = codecs.getwriter(output_encoding)(sio, errors=encoding_type)
1651
sio.encoding = output_encoding
1655
class TestCaseWithMemoryTransport(TestCase):
1656
"""Common test class for tests that do not need disk resources.
1658
Tests that need disk resources should derive from TestCaseWithTransport.
1660
TestCaseWithMemoryTransport sets the TEST_ROOT variable for all bzr tests.
1662
For TestCaseWithMemoryTransport the test_home_dir is set to the name of
1663
a directory which does not exist. This serves to help ensure test isolation
1664
is preserved. test_dir is set to the TEST_ROOT, as is cwd, because they
1665
must exist. However, TestCaseWithMemoryTransport does not offer local
1666
file defaults for the transport in tests, nor does it obey the command line
1667
override, so tests that accidentally write to the common directory should
1670
:cvar TEST_ROOT: Directory containing all temporary directories, plus
1671
a .bzr directory that stops us ascending higher into the filesystem.
1677
def __init__(self, methodName='runTest'):
1678
# allow test parameterisation after test construction and before test
1679
# execution. Variables that the parameteriser sets need to be
1680
# ones that are not set by setUp, or setUp will trash them.
1681
super(TestCaseWithMemoryTransport, self).__init__(methodName)
1682
self.vfs_transport_factory = default_transport
1683
self.transport_server = None
1684
self.transport_readonly_server = None
1685
self.__vfs_server = None
1687
def get_transport(self, relpath=None):
1688
"""Return a writeable transport.
1690
This transport is for the test scratch space relative to
1693
:param relpath: a path relative to the base url.
1695
t = get_transport(self.get_url(relpath))
1696
self.assertFalse(t.is_readonly())
1699
def get_readonly_transport(self, relpath=None):
1700
"""Return a readonly transport for the test scratch space
1702
This can be used to test that operations which should only need
1703
readonly access in fact do not try to write.
1705
:param relpath: a path relative to the base url.
1707
t = get_transport(self.get_readonly_url(relpath))
1708
self.assertTrue(t.is_readonly())
1711
def create_transport_readonly_server(self):
1712
"""Create a transport server from class defined at init.
1714
This is mostly a hook for daughter classes.
1716
return self.transport_readonly_server()
1718
def get_readonly_server(self):
1719
"""Get the server instance for the readonly transport
1721
This is useful for some tests with specific servers to do diagnostics.
1723
if self.__readonly_server is None:
1724
if self.transport_readonly_server is None:
1725
# readonly decorator requested
1726
# bring up the server
1727
self.__readonly_server = ReadonlyServer()
1728
self.__readonly_server.setUp(self.get_vfs_only_server())
1730
self.__readonly_server = self.create_transport_readonly_server()
1731
self.__readonly_server.setUp(self.get_vfs_only_server())
1732
self.addCleanup(self.__readonly_server.tearDown)
1733
return self.__readonly_server
1735
def get_readonly_url(self, relpath=None):
1736
"""Get a URL for the readonly transport.
1738
This will either be backed by '.' or a decorator to the transport
1739
used by self.get_url()
1740
relpath provides for clients to get a path relative to the base url.
1741
These should only be downwards relative, not upwards.
1743
base = self.get_readonly_server().get_url()
1744
return self._adjust_url(base, relpath)
1746
def get_vfs_only_server(self):
1747
"""Get the vfs only read/write server instance.
1749
This is useful for some tests with specific servers that need
1752
For TestCaseWithMemoryTransport this is always a MemoryServer, and there
1753
is no means to override it.
1755
if self.__vfs_server is None:
1756
self.__vfs_server = MemoryServer()
1757
self.__vfs_server.setUp()
1758
self.addCleanup(self.__vfs_server.tearDown)
1759
return self.__vfs_server
1761
def get_server(self):
1762
"""Get the read/write server instance.
1764
This is useful for some tests with specific servers that need
1767
This is built from the self.transport_server factory. If that is None,
1768
then the self.get_vfs_server is returned.
1770
if self.__server is None:
1771
if self.transport_server is None or self.transport_server is self.vfs_transport_factory:
1772
return self.get_vfs_only_server()
1774
# bring up a decorated means of access to the vfs only server.
1775
self.__server = self.transport_server()
1777
self.__server.setUp(self.get_vfs_only_server())
1778
except TypeError, e:
1779
# This should never happen; the try:Except here is to assist
1780
# developers having to update code rather than seeing an
1781
# uninformative TypeError.
1782
raise Exception, "Old server API in use: %s, %s" % (self.__server, e)
1783
self.addCleanup(self.__server.tearDown)
1784
return self.__server
1786
def _adjust_url(self, base, relpath):
1787
"""Get a URL (or maybe a path) for the readwrite transport.
1789
This will either be backed by '.' or to an equivalent non-file based
1791
relpath provides for clients to get a path relative to the base url.
1792
These should only be downwards relative, not upwards.
1794
if relpath is not None and relpath != '.':
1795
if not base.endswith('/'):
1797
# XXX: Really base should be a url; we did after all call
1798
# get_url()! But sometimes it's just a path (from
1799
# LocalAbspathServer), and it'd be wrong to append urlescaped data
1800
# to a non-escaped local path.
1801
if base.startswith('./') or base.startswith('/'):
1804
base += urlutils.escape(relpath)
1807
def get_url(self, relpath=None):
1808
"""Get a URL (or maybe a path) for the readwrite transport.
1810
This will either be backed by '.' or to an equivalent non-file based
1812
relpath provides for clients to get a path relative to the base url.
1813
These should only be downwards relative, not upwards.
1815
base = self.get_server().get_url()
1816
return self._adjust_url(base, relpath)
1818
def get_vfs_only_url(self, relpath=None):
1819
"""Get a URL (or maybe a path for the plain old vfs transport.
1821
This will never be a smart protocol. It always has all the
1822
capabilities of the local filesystem, but it might actually be a
1823
MemoryTransport or some other similar virtual filesystem.
1825
This is the backing transport (if any) of the server returned by
1826
get_url and get_readonly_url.
1828
:param relpath: provides for clients to get a path relative to the base
1829
url. These should only be downwards relative, not upwards.
1832
base = self.get_vfs_only_server().get_url()
1833
return self._adjust_url(base, relpath)
1835
def _make_test_root(self):
1836
if TestCaseWithMemoryTransport.TEST_ROOT is not None:
1838
root = osutils.mkdtemp(prefix='testbzr-', suffix='.tmp')
1839
TestCaseWithMemoryTransport.TEST_ROOT = root
1841
# make a fake bzr directory there to prevent any tests propagating
1842
# up onto the source directory's real branch
1843
bzrdir.BzrDir.create_standalone_workingtree(root)
1845
# The same directory is used by all tests, and we're not specifically
1846
# told when all tests are finished. This will do.
1847
atexit.register(_rmtree_temp_dir, root)
1849
def makeAndChdirToTestDir(self):
1850
"""Create a temporary directories for this one test.
1852
This must set self.test_home_dir and self.test_dir and chdir to
1855
For TestCaseWithMemoryTransport we chdir to the TEST_ROOT for this test.
1857
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
1858
self.test_dir = TestCaseWithMemoryTransport.TEST_ROOT
1859
self.test_home_dir = self.test_dir + "/MemoryTransportMissingHomeDir"
1861
def make_branch(self, relpath, format=None):
1862
"""Create a branch on the transport at relpath."""
1863
repo = self.make_repository(relpath, format=format)
1864
return repo.bzrdir.create_branch()
1866
def make_bzrdir(self, relpath, format=None):
1868
# might be a relative or absolute path
1869
maybe_a_url = self.get_url(relpath)
1870
segments = maybe_a_url.rsplit('/', 1)
1871
t = get_transport(maybe_a_url)
1872
if len(segments) > 1 and segments[-1] not in ('', '.'):
1876
if isinstance(format, basestring):
1877
format = bzrdir.format_registry.make_bzrdir(format)
1878
return format.initialize_on_transport(t)
1879
except errors.UninitializableFormat:
1880
raise TestSkipped("Format %s is not initializable." % format)
1882
def make_repository(self, relpath, shared=False, format=None):
1883
"""Create a repository on our default transport at relpath.
1885
Note that relpath must be a relative path, not a full url.
1887
# FIXME: If you create a remoterepository this returns the underlying
1888
# real format, which is incorrect. Actually we should make sure that
1889
# RemoteBzrDir returns a RemoteRepository.
1890
# maybe mbp 20070410
1891
made_control = self.make_bzrdir(relpath, format=format)
1892
return made_control.create_repository(shared=shared)
1894
def make_branch_and_memory_tree(self, relpath, format=None):
1895
"""Create a branch on the default transport and a MemoryTree for it."""
1896
b = self.make_branch(relpath, format=format)
1897
return memorytree.MemoryTree.create_on_branch(b)
1899
def overrideEnvironmentForTesting(self):
1900
os.environ['HOME'] = self.test_home_dir
1901
os.environ['BZR_HOME'] = self.test_home_dir
1904
super(TestCaseWithMemoryTransport, self).setUp()
1905
self._make_test_root()
1906
_currentdir = os.getcwdu()
1907
def _leaveDirectory():
1908
os.chdir(_currentdir)
1909
self.addCleanup(_leaveDirectory)
1910
self.makeAndChdirToTestDir()
1911
self.overrideEnvironmentForTesting()
1912
self.__readonly_server = None
1913
self.__server = None
1914
self.reduceLockdirTimeout()
1917
class TestCaseInTempDir(TestCaseWithMemoryTransport):
1918
"""Derived class that runs a test within a temporary directory.
1920
This is useful for tests that need to create a branch, etc.
1922
The directory is created in a slightly complex way: for each
1923
Python invocation, a new temporary top-level directory is created.
1924
All test cases create their own directory within that. If the
1925
tests complete successfully, the directory is removed.
1927
:ivar test_base_dir: The path of the top-level directory for this
1928
test, which contains a home directory and a work directory.
1930
:ivar test_home_dir: An initially empty directory under test_base_dir
1931
which is used as $HOME for this test.
1933
:ivar test_dir: A directory under test_base_dir used as the current
1934
directory when the test proper is run.
1937
OVERRIDE_PYTHON = 'python'
1939
def check_file_contents(self, filename, expect):
1940
self.log("check contents of file %s" % filename)
1941
contents = file(filename, 'r').read()
1942
if contents != expect:
1943
self.log("expected: %r" % expect)
1944
self.log("actually: %r" % contents)
1945
self.fail("contents of %s not as expected" % filename)
1947
def makeAndChdirToTestDir(self):
1948
"""See TestCaseWithMemoryTransport.makeAndChdirToTestDir().
1950
For TestCaseInTempDir we create a temporary directory based on the test
1951
name and then create two subdirs - test and home under it.
1953
# create a directory within the top level test directory
1954
candidate_dir = osutils.mkdtemp(dir=self.TEST_ROOT)
1955
# now create test and home directories within this dir
1956
self.test_base_dir = candidate_dir
1957
self.test_home_dir = self.test_base_dir + '/home'
1958
os.mkdir(self.test_home_dir)
1959
self.test_dir = self.test_base_dir + '/work'
1960
os.mkdir(self.test_dir)
1961
os.chdir(self.test_dir)
1962
# put name of test inside
1963
f = file(self.test_base_dir + '/name', 'w')
1968
self.addCleanup(self.deleteTestDir)
1970
def deleteTestDir(self):
1971
os.chdir(self.TEST_ROOT)
1972
_rmtree_temp_dir(self.test_base_dir)
1974
def build_tree(self, shape, line_endings='binary', transport=None):
1975
"""Build a test tree according to a pattern.
1977
shape is a sequence of file specifications. If the final
1978
character is '/', a directory is created.
1980
This assumes that all the elements in the tree being built are new.
1982
This doesn't add anything to a branch.
1984
:param line_endings: Either 'binary' or 'native'
1985
in binary mode, exact contents are written in native mode, the
1986
line endings match the default platform endings.
1987
:param transport: A transport to write to, for building trees on VFS's.
1988
If the transport is readonly or None, "." is opened automatically.
1991
# It's OK to just create them using forward slashes on windows.
1992
if transport is None or transport.is_readonly():
1993
transport = get_transport(".")
1995
self.assert_(isinstance(name, basestring))
1997
transport.mkdir(urlutils.escape(name[:-1]))
1999
if line_endings == 'binary':
2001
elif line_endings == 'native':
2004
raise errors.BzrError(
2005
'Invalid line ending request %r' % line_endings)
2006
content = "contents of %s%s" % (name.encode('utf-8'), end)
2007
transport.put_bytes_non_atomic(urlutils.escape(name), content)
2009
def build_tree_contents(self, shape):
2010
build_tree_contents(shape)
2012
def assertFileEqual(self, content, path):
2013
"""Fail if path does not contain 'content'."""
2014
self.failUnlessExists(path)
2015
f = file(path, 'rb')
2020
self.assertEqualDiff(content, s)
2022
def failUnlessExists(self, path):
2023
"""Fail unless path or paths, which may be abs or relative, exist."""
2024
if not isinstance(path, basestring):
2026
self.failUnlessExists(p)
2028
self.failUnless(osutils.lexists(path),path+" does not exist")
2030
def failIfExists(self, path):
2031
"""Fail if path or paths, which may be abs or relative, exist."""
2032
if not isinstance(path, basestring):
2034
self.failIfExists(p)
2036
self.failIf(osutils.lexists(path),path+" exists")
2038
def assertInWorkingTree(self, path, root_path='.', tree=None):
2039
"""Assert whether path or paths are in the WorkingTree"""
2041
tree = workingtree.WorkingTree.open(root_path)
2042
if not isinstance(path, basestring):
2044
self.assertInWorkingTree(p,tree=tree)
2046
self.assertIsNot(tree.path2id(path), None,
2047
path+' not in working tree.')
2049
def assertNotInWorkingTree(self, path, root_path='.', tree=None):
2050
"""Assert whether path or paths are not in the WorkingTree"""
2052
tree = workingtree.WorkingTree.open(root_path)
2053
if not isinstance(path, basestring):
2055
self.assertNotInWorkingTree(p,tree=tree)
2057
self.assertIs(tree.path2id(path), None, path+' in working tree.')
2060
class TestCaseWithTransport(TestCaseInTempDir):
2061
"""A test case that provides get_url and get_readonly_url facilities.
2063
These back onto two transport servers, one for readonly access and one for
2066
If no explicit class is provided for readonly access, a
2067
ReadonlyTransportDecorator is used instead which allows the use of non disk
2068
based read write transports.
2070
If an explicit class is provided for readonly access, that server and the
2071
readwrite one must both define get_url() as resolving to os.getcwd().
2074
def get_vfs_only_server(self):
2075
"""See TestCaseWithMemoryTransport.
2077
This is useful for some tests with specific servers that need
2080
if self.__vfs_server is None:
2081
self.__vfs_server = self.vfs_transport_factory()
2082
self.__vfs_server.setUp()
2083
self.addCleanup(self.__vfs_server.tearDown)
2084
return self.__vfs_server
2086
def make_branch_and_tree(self, relpath, format=None):
2087
"""Create a branch on the transport and a tree locally.
2089
If the transport is not a LocalTransport, the Tree can't be created on
2090
the transport. In that case if the vfs_transport_factory is
2091
LocalURLServer the working tree is created in the local
2092
directory backing the transport, and the returned tree's branch and
2093
repository will also be accessed locally. Otherwise a lightweight
2094
checkout is created and returned.
2096
:param format: The BzrDirFormat.
2097
:returns: the WorkingTree.
2099
# TODO: always use the local disk path for the working tree,
2100
# this obviously requires a format that supports branch references
2101
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
2103
b = self.make_branch(relpath, format=format)
2105
return b.bzrdir.create_workingtree()
2106
except errors.NotLocalUrl:
2107
# We can only make working trees locally at the moment. If the
2108
# transport can't support them, then we keep the non-disk-backed
2109
# branch and create a local checkout.
2110
if self.vfs_transport_factory is LocalURLServer:
2111
# the branch is colocated on disk, we cannot create a checkout.
2112
# hopefully callers will expect this.
2113
local_controldir= bzrdir.BzrDir.open(self.get_vfs_only_url(relpath))
2114
return local_controldir.create_workingtree()
2116
return b.create_checkout(relpath, lightweight=True)
2118
def assertIsDirectory(self, relpath, transport):
2119
"""Assert that relpath within transport is a directory.
2121
This may not be possible on all transports; in that case it propagates
2122
a TransportNotPossible.
2125
mode = transport.stat(relpath).st_mode
2126
except errors.NoSuchFile:
2127
self.fail("path %s is not a directory; no such file"
2129
if not stat.S_ISDIR(mode):
2130
self.fail("path %s is not a directory; has mode %#o"
2133
def assertTreesEqual(self, left, right):
2134
"""Check that left and right have the same content and properties."""
2135
# we use a tree delta to check for equality of the content, and we
2136
# manually check for equality of other things such as the parents list.
2137
self.assertEqual(left.get_parent_ids(), right.get_parent_ids())
2138
differences = left.changes_from(right)
2139
self.assertFalse(differences.has_changed(),
2140
"Trees %r and %r are different: %r" % (left, right, differences))
2143
super(TestCaseWithTransport, self).setUp()
2144
self.__vfs_server = None
2147
class ChrootedTestCase(TestCaseWithTransport):
2148
"""A support class that provides readonly urls outside the local namespace.
2150
This is done by checking if self.transport_server is a MemoryServer. if it
2151
is then we are chrooted already, if it is not then an HttpServer is used
2154
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
2155
be used without needed to redo it when a different
2156
subclass is in use ?
2160
super(ChrootedTestCase, self).setUp()
2161
if not self.vfs_transport_factory == MemoryServer:
2162
self.transport_readonly_server = HttpServer
2165
def filter_suite_by_re(suite, pattern, exclude_pattern=None,
2166
random_order=False):
2167
"""Create a test suite by filtering another one.
2169
:param suite: the source suite
2170
:param pattern: pattern that names must match
2171
:param exclude_pattern: pattern that names must not match, if any
2172
:param random_order: if True, tests in the new suite will be put in
2174
:returns: the newly created suite
2176
return sort_suite_by_re(suite, pattern, exclude_pattern,
2177
random_order, False)
2180
def sort_suite_by_re(suite, pattern, exclude_pattern=None,
2181
random_order=False, append_rest=True):
2182
"""Create a test suite by sorting another one.
2184
:param suite: the source suite
2185
:param pattern: pattern that names must match in order to go
2186
first in the new suite
2187
:param exclude_pattern: pattern that names must not match, if any
2188
:param random_order: if True, tests in the new suite will be put in
2190
:param append_rest: if False, pattern is a strict filter and not
2191
just an ordering directive
2192
:returns: the newly created suite
2196
filter_re = re.compile(pattern)
2197
if exclude_pattern is not None:
2198
exclude_re = re.compile(exclude_pattern)
2199
for test in iter_suite_tests(suite):
2201
if exclude_pattern is None or not exclude_re.search(test_id):
2202
if filter_re.search(test_id):
2207
random.shuffle(first)
2208
random.shuffle(second)
2209
return TestUtil.TestSuite(first + second)
2212
def run_suite(suite, name='test', verbose=False, pattern=".*",
2213
stop_on_failure=False,
2214
transport=None, lsprof_timed=None, bench_history=None,
2215
matching_tests_first=None,
2218
exclude_pattern=None,
2221
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
2226
runner = TextTestRunner(stream=sys.stdout,
2228
verbosity=verbosity,
2229
bench_history=bench_history,
2230
list_only=list_only,
2232
runner.stop_on_failure=stop_on_failure
2233
# Initialise the random number generator and display the seed used.
2234
# We convert the seed to a long to make it reuseable across invocations.
2235
random_order = False
2236
if random_seed is not None:
2238
if random_seed == "now":
2239
random_seed = long(time.time())
2241
# Convert the seed to a long if we can
2243
random_seed = long(random_seed)
2246
runner.stream.writeln("Randomizing test order using seed %s\n" %
2248
random.seed(random_seed)
2249
# Customise the list of tests if requested
2250
if pattern != '.*' or exclude_pattern is not None or random_order:
2251
if matching_tests_first:
2252
suite = sort_suite_by_re(suite, pattern, exclude_pattern,
2255
suite = filter_suite_by_re(suite, pattern, exclude_pattern,
2257
result = runner.run(suite)
2260
return result.wasStrictlySuccessful()
2262
return result.wasSuccessful()
2265
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
2267
test_suite_factory=None,
2270
matching_tests_first=None,
2273
exclude_pattern=None,
2276
"""Run the whole test suite under the enhanced runner"""
2277
# XXX: Very ugly way to do this...
2278
# Disable warning about old formats because we don't want it to disturb
2279
# any blackbox tests.
2280
from bzrlib import repository
2281
repository._deprecation_warning_done = True
2283
global default_transport
2284
if transport is None:
2285
transport = default_transport
2286
old_transport = default_transport
2287
default_transport = transport
2289
if test_suite_factory is None:
2290
suite = test_suite()
2292
suite = test_suite_factory()
2293
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
2294
stop_on_failure=stop_on_failure,
2295
transport=transport,
2296
lsprof_timed=lsprof_timed,
2297
bench_history=bench_history,
2298
matching_tests_first=matching_tests_first,
2299
list_only=list_only,
2300
random_seed=random_seed,
2301
exclude_pattern=exclude_pattern,
2304
default_transport = old_transport
2308
"""Build and return TestSuite for the whole of bzrlib.
2310
This function can be replaced if you need to change the default test
2311
suite on a global basis, but it is not encouraged.
2314
'bzrlib.util.tests.test_bencode',
2315
'bzrlib.tests.test__dirstate_helpers',
2316
'bzrlib.tests.test_ancestry',
2317
'bzrlib.tests.test_annotate',
2318
'bzrlib.tests.test_api',
2319
'bzrlib.tests.test_atomicfile',
2320
'bzrlib.tests.test_bad_files',
2321
'bzrlib.tests.test_branch',
2322
'bzrlib.tests.test_branchbuilder',
2323
'bzrlib.tests.test_bugtracker',
2324
'bzrlib.tests.test_bundle',
2325
'bzrlib.tests.test_bzrdir',
2326
'bzrlib.tests.test_cache_utf8',
2327
'bzrlib.tests.test_commands',
2328
'bzrlib.tests.test_commit',
2329
'bzrlib.tests.test_commit_merge',
2330
'bzrlib.tests.test_config',
2331
'bzrlib.tests.test_conflicts',
2332
'bzrlib.tests.test_counted_lock',
2333
'bzrlib.tests.test_decorators',
2334
'bzrlib.tests.test_delta',
2335
'bzrlib.tests.test_deprecated_graph',
2336
'bzrlib.tests.test_diff',
2337
'bzrlib.tests.test_dirstate',
2338
'bzrlib.tests.test_email_message',
2339
'bzrlib.tests.test_errors',
2340
'bzrlib.tests.test_escaped_store',
2341
'bzrlib.tests.test_extract',
2342
'bzrlib.tests.test_fetch',
2343
'bzrlib.tests.test_ftp_transport',
2344
'bzrlib.tests.test_generate_docs',
2345
'bzrlib.tests.test_generate_ids',
2346
'bzrlib.tests.test_globbing',
2347
'bzrlib.tests.test_gpg',
2348
'bzrlib.tests.test_graph',
2349
'bzrlib.tests.test_hashcache',
2350
'bzrlib.tests.test_help',
2351
'bzrlib.tests.test_hooks',
2352
'bzrlib.tests.test_http',
2353
'bzrlib.tests.test_http_response',
2354
'bzrlib.tests.test_https_ca_bundle',
2355
'bzrlib.tests.test_identitymap',
2356
'bzrlib.tests.test_ignores',
2357
'bzrlib.tests.test_index',
2358
'bzrlib.tests.test_info',
2359
'bzrlib.tests.test_inv',
2360
'bzrlib.tests.test_knit',
2361
'bzrlib.tests.test_lazy_import',
2362
'bzrlib.tests.test_lazy_regex',
2363
'bzrlib.tests.test_lockdir',
2364
'bzrlib.tests.test_lockable_files',
2365
'bzrlib.tests.test_log',
2366
'bzrlib.tests.test_lsprof',
2367
'bzrlib.tests.test_mail_client',
2368
'bzrlib.tests.test_memorytree',
2369
'bzrlib.tests.test_merge',
2370
'bzrlib.tests.test_merge3',
2371
'bzrlib.tests.test_merge_core',
2372
'bzrlib.tests.test_merge_directive',
2373
'bzrlib.tests.test_missing',
2374
'bzrlib.tests.test_msgeditor',
2375
'bzrlib.tests.test_multiparent',
2376
'bzrlib.tests.test_nonascii',
2377
'bzrlib.tests.test_options',
2378
'bzrlib.tests.test_osutils',
2379
'bzrlib.tests.test_osutils_encodings',
2380
'bzrlib.tests.test_pack',
2381
'bzrlib.tests.test_patch',
2382
'bzrlib.tests.test_patches',
2383
'bzrlib.tests.test_permissions',
2384
'bzrlib.tests.test_plugins',
2385
'bzrlib.tests.test_progress',
2386
'bzrlib.tests.test_reconfigure',
2387
'bzrlib.tests.test_reconcile',
2388
'bzrlib.tests.test_registry',
2389
'bzrlib.tests.test_remote',
2390
'bzrlib.tests.test_repository',
2391
'bzrlib.tests.test_revert',
2392
'bzrlib.tests.test_revision',
2393
'bzrlib.tests.test_revisionnamespaces',
2394
'bzrlib.tests.test_revisiontree',
2395
'bzrlib.tests.test_rio',
2396
'bzrlib.tests.test_sampler',
2397
'bzrlib.tests.test_selftest',
2398
'bzrlib.tests.test_setup',
2399
'bzrlib.tests.test_sftp_transport',
2400
'bzrlib.tests.test_smart',
2401
'bzrlib.tests.test_smart_add',
2402
'bzrlib.tests.test_smart_transport',
2403
'bzrlib.tests.test_smtp_connection',
2404
'bzrlib.tests.test_source',
2405
'bzrlib.tests.test_ssh_transport',
2406
'bzrlib.tests.test_status',
2407
'bzrlib.tests.test_store',
2408
'bzrlib.tests.test_strace',
2409
'bzrlib.tests.test_subsume',
2410
'bzrlib.tests.test_symbol_versioning',
2411
'bzrlib.tests.test_tag',
2412
'bzrlib.tests.test_testament',
2413
'bzrlib.tests.test_textfile',
2414
'bzrlib.tests.test_textmerge',
2415
'bzrlib.tests.test_timestamp',
2416
'bzrlib.tests.test_trace',
2417
'bzrlib.tests.test_transactions',
2418
'bzrlib.tests.test_transform',
2419
'bzrlib.tests.test_transport',
2420
'bzrlib.tests.test_tree',
2421
'bzrlib.tests.test_treebuilder',
2422
'bzrlib.tests.test_tsort',
2423
'bzrlib.tests.test_tuned_gzip',
2424
'bzrlib.tests.test_ui',
2425
'bzrlib.tests.test_upgrade',
2426
'bzrlib.tests.test_urlutils',
2427
'bzrlib.tests.test_versionedfile',
2428
'bzrlib.tests.test_version',
2429
'bzrlib.tests.test_version_info',
2430
'bzrlib.tests.test_weave',
2431
'bzrlib.tests.test_whitebox',
2432
'bzrlib.tests.test_win32utils',
2433
'bzrlib.tests.test_workingtree',
2434
'bzrlib.tests.test_workingtree_4',
2435
'bzrlib.tests.test_wsgi',
2436
'bzrlib.tests.test_xml',
2438
test_transport_implementations = [
2439
'bzrlib.tests.test_transport_implementations',
2440
'bzrlib.tests.test_read_bundle',
2442
suite = TestUtil.TestSuite()
2443
loader = TestUtil.TestLoader()
2444
suite.addTest(loader.loadTestsFromModuleNames(testmod_names))
2445
from bzrlib.tests.test_transport_implementations import TransportTestProviderAdapter
2446
adapter = TransportTestProviderAdapter()
2447
adapt_modules(test_transport_implementations, adapter, loader, suite)
2448
for package in packages_to_test():
2449
suite.addTest(package.test_suite())
2450
for m in MODULES_TO_TEST:
2451
suite.addTest(loader.loadTestsFromModule(m))
2452
for m in MODULES_TO_DOCTEST:
2454
suite.addTest(doctest.DocTestSuite(m))
2455
except ValueError, e:
2456
print '**failed to get doctest for: %s\n%s' %(m,e)
2458
default_encoding = sys.getdefaultencoding()
2459
for name, plugin in bzrlib.plugin.plugins().items():
2461
plugin_suite = plugin.test_suite()
2462
except ImportError, e:
2463
bzrlib.trace.warning(
2464
'Unable to test plugin "%s": %s', name, e)
2466
if plugin_suite is not None:
2467
suite.addTest(plugin_suite)
2468
if default_encoding != sys.getdefaultencoding():
2469
bzrlib.trace.warning(
2470
'Plugin "%s" tried to reset default encoding to: %s', name,
2471
sys.getdefaultencoding())
2473
sys.setdefaultencoding(default_encoding)
2477
def multiply_tests_from_modules(module_name_list, scenario_iter):
2478
"""Adapt all tests in some given modules to given scenarios.
2480
This is the recommended public interface for test parameterization.
2481
Typically the test_suite() method for a per-implementation test
2482
suite will call multiply_tests_from_modules and return the
2485
:param module_name_list: List of fully-qualified names of test
2487
:param scenario_iter: Iterable of pairs of (scenario_name,
2488
scenario_param_dict).
2490
This returns a new TestSuite containing the cross product of
2491
all the tests in all the modules, each repeated for each scenario.
2492
Each test is adapted by adding the scenario name at the end
2493
of its name, and updating the test object's __dict__ with the
2494
scenario_param_dict.
2496
>>> r = multiply_tests_from_modules(
2497
... ['bzrlib.tests.test_sampler'],
2498
... [('one', dict(param=1)),
2499
... ('two', dict(param=2))])
2500
>>> tests = list(iter_suite_tests(r))
2504
'bzrlib.tests.test_sampler.DemoTest.test_nothing(one)'
2510
loader = TestLoader()
2512
adapter = TestScenarioApplier()
2513
adapter.scenarios = list(scenario_iter)
2514
adapt_modules(module_name_list, adapter, loader, suite)
2518
def adapt_modules(mods_list, adapter, loader, suite):
2519
"""Adapt the modules in mods_list using adapter and add to suite."""
2520
for test in iter_suite_tests(loader.loadTestsFromModuleNames(mods_list)):
2521
suite.addTests(adapter.adapt(test))
2524
def _rmtree_temp_dir(dirname):
2525
# If LANG=C we probably have created some bogus paths
2526
# which rmtree(unicode) will fail to delete
2527
# so make sure we are using rmtree(str) to delete everything
2528
# except on win32, where rmtree(str) will fail
2529
# since it doesn't have the property of byte-stream paths
2530
# (they are either ascii or mbcs)
2531
if sys.platform == 'win32':
2532
# make sure we are using the unicode win32 api
2533
dirname = unicode(dirname)
2535
dirname = dirname.encode(sys.getfilesystemencoding())
2537
osutils.rmtree(dirname)
2539
if sys.platform == 'win32' and e.errno == errno.EACCES:
2540
print >>sys.stderr, ('Permission denied: '
2541
'unable to remove testing dir '
2542
'%s' % os.path.basename(dirname))
2547
class Feature(object):
2548
"""An operating system Feature."""
2551
self._available = None
2553
def available(self):
2554
"""Is the feature available?
2556
:return: True if the feature is available.
2558
if self._available is None:
2559
self._available = self._probe()
2560
return self._available
2563
"""Implement this method in concrete features.
2565
:return: True if the feature is available.
2567
raise NotImplementedError
2570
if getattr(self, 'feature_name', None):
2571
return self.feature_name()
2572
return self.__class__.__name__
2575
class _SymlinkFeature(Feature):
2578
return osutils.has_symlinks()
2580
def feature_name(self):
2583
SymlinkFeature = _SymlinkFeature()
2586
class TestScenarioApplier(object):
2587
"""A tool to apply scenarios to tests."""
2589
def adapt(self, test):
2590
"""Return a TestSuite containing a copy of test for each scenario."""
2591
result = unittest.TestSuite()
2592
for scenario in self.scenarios:
2593
result.addTest(self.adapt_test_to_scenario(test, scenario))
2596
def adapt_test_to_scenario(self, test, scenario):
2597
"""Copy test and apply scenario to it.
2599
:param test: A test to adapt.
2600
:param scenario: A tuple describing the scenarion.
2601
The first element of the tuple is the new test id.
2602
The second element is a dict containing attributes to set on the
2604
:return: The adapted test.
2606
from copy import deepcopy
2607
new_test = deepcopy(test)
2608
for name, value in scenario[1].items():
2609
setattr(new_test, name, value)
2610
new_id = "%s(%s)" % (new_test.id(), scenario[0])
2611
new_test.id = lambda: new_id
2615
def probe_unicode_in_user_encoding():
2616
"""Try to encode several unicode strings to use in unicode-aware tests.
2617
Return first successfull match.
2619
:return: (unicode value, encoded plain string value) or (None, None)
2621
possible_vals = [u'm\xb5', u'\xe1', u'\u0410']
2622
for uni_val in possible_vals:
2624
str_val = uni_val.encode(bzrlib.user_encoding)
2625
except UnicodeEncodeError:
2626
# Try a different character
2629
return uni_val, str_val
added
removed
bzrlib/tests/__init__.py
