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# Copyright (C) 2005 by Canonical Ltd
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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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from testsweet import TestBase, run_suite, InTempDir
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# TODO: Perhaps there should be an API to find out if bzr running under the
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# test suite -- some plugins might want to avoid making intrusive changes if
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# this is the case. However, we want behaviour under to test to diverge as
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# little as possible, so this should be used rarely if it's added at all.
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# (Suggestion from j-a-meinel, 2005-11-24)
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# NOTE: Some classes in here use camelCaseNaming() rather than
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# underscore_naming(). That's for consistency with unittest; it's not the
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# general style of bzrlib. Please continue that consistency when adding e.g.
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# new assertFoo() methods.
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from cStringIO import StringIO
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from pprint import pformat
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from subprocess import Popen, PIPE
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import bzrlib.commands
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import bzrlib.timestamp
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import bzrlib.inventory
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import bzrlib.iterablefile
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# lsprof not available
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from bzrlib.merge import merge_inner
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from bzrlib.revision import common_ancestor
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from bzrlib import symbol_versioning
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from bzrlib.transport import get_transport
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import bzrlib.transport
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from bzrlib.transport.local import LocalURLServer
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from bzrlib.transport.memory import MemoryServer
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from bzrlib.transport.readonly import ReadonlyServer
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from bzrlib.trace import mutter, note
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from bzrlib.tests import TestUtil
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from bzrlib.tests.HttpServer import HttpServer
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from bzrlib.tests.TestUtil import (
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from bzrlib.tests.treeshape import build_tree_contents
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from bzrlib.workingtree import WorkingTree, WorkingTreeFormat2
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default_transport = LocalURLServer
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MODULES_TO_TEST = []
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MODULES_TO_DOCTEST = []
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from unittest import TestLoader, TestSuite
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import bzrlib, bzrlib.store, bzrlib.inventory, bzrlib.branch
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import bzrlib.osutils, bzrlib.commands, bzrlib.merge3, bzrlib.plugin
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global MODULES_TO_TEST, MODULES_TO_DOCTEST
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import bzrlib.selftest.whitebox
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import bzrlib.selftest.blackbox
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import bzrlib.selftest.versioning
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import bzrlib.selftest.testmerge3
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import bzrlib.selftest.testhashcache
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import bzrlib.selftest.testrevisionnamespaces
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import bzrlib.selftest.testbranch
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import bzrlib.selftest.teststatus
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import bzrlib.selftest.testinv
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import bzrlib.merge_core
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from doctest import DocTestSuite
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MODULES_TO_DOCTEST = [
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def packages_to_test():
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"""Return a list of packages to test.
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The packages are not globally imported so that import failures are
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triggered when running selftest, not when importing the command.
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import bzrlib.tests.blackbox
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import bzrlib.tests.branch_implementations
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import bzrlib.tests.bzrdir_implementations
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import bzrlib.tests.interrepository_implementations
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import bzrlib.tests.interversionedfile_implementations
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import bzrlib.tests.intertree_implementations
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import bzrlib.tests.per_lock
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import bzrlib.tests.repository_implementations
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import bzrlib.tests.revisionstore_implementations
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import bzrlib.tests.tree_implementations
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import bzrlib.tests.workingtree_implementations
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bzrlib.tests.blackbox,
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bzrlib.tests.branch_implementations,
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bzrlib.tests.bzrdir_implementations,
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bzrlib.tests.interrepository_implementations,
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bzrlib.tests.interversionedfile_implementations,
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bzrlib.tests.intertree_implementations,
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bzrlib.tests.per_lock,
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bzrlib.tests.repository_implementations,
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bzrlib.tests.revisionstore_implementations,
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bzrlib.tests.tree_implementations,
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bzrlib.tests.workingtree_implementations,
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class ExtendedTestResult(unittest._TextTestResult):
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"""Accepts, reports and accumulates the results of running tests.
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Compared to this unittest version this class adds support for profiling,
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benchmarking, stopping as soon as a test fails, and skipping tests.
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There are further-specialized subclasses for different types of display.
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def __init__(self, stream, descriptions, verbosity,
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use_numbered_dirs=False,
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"""Construct new TestResult.
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:param bench_history: Optionally, a writable file object to accumulate
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unittest._TextTestResult.__init__(self, stream, descriptions, verbosity)
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if bench_history is not None:
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from bzrlib.version import _get_bzr_source_tree
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src_tree = _get_bzr_source_tree()
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revision_id = src_tree.get_parent_ids()[0]
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# XXX: if this is a brand new tree, do the same as if there
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# XXX: If there's no branch, what should we do?
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bench_history.write("--date %s %s\n" % (time.time(), revision_id))
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self._bench_history = bench_history
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self.ui = ui.ui_factory
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self.num_tests = num_tests
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self.failure_count = 0
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self.known_failure_count = 0
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self.unsupported = {}
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self.use_numbered_dirs = use_numbered_dirs
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self._overall_start_time = time.time()
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def extractBenchmarkTime(self, testCase):
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"""Add a benchmark time for the current test case."""
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self._benchmarkTime = getattr(testCase, "_benchtime", None)
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def _elapsedTestTimeString(self):
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"""Return a time string for the overall time the current test has taken."""
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return self._formatTime(time.time() - self._start_time)
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def _testTimeString(self):
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if self._benchmarkTime is not None:
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self._formatTime(self._benchmarkTime),
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self._elapsedTestTimeString())
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return " %s" % self._elapsedTestTimeString()
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def _formatTime(self, seconds):
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"""Format seconds as milliseconds with leading spaces."""
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# some benchmarks can take thousands of seconds to run, so we need 8
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return "%8dms" % (1000 * seconds)
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def _shortened_test_description(self, test):
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what = re.sub(r'^bzrlib\.(tests|benchmarks)\.', '', what)
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def startTest(self, test):
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unittest.TestResult.startTest(self, test)
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self.report_test_start(test)
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test.number = self.count
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self._recordTestStartTime()
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def _recordTestStartTime(self):
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"""Record that a test has started."""
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self._start_time = time.time()
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def _cleanupLogFile(self, test):
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# We can only do this if we have one of our TestCases, not if
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setKeepLogfile = getattr(test, 'setKeepLogfile', None)
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if setKeepLogfile is not None:
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def addError(self, test, err):
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self.extractBenchmarkTime(test)
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self._cleanupLogFile(test)
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if isinstance(err[1], TestSkipped):
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return self.addSkipped(test, err)
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elif isinstance(err[1], UnavailableFeature):
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return self.addNotSupported(test, err[1].args[0])
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unittest.TestResult.addError(self, test, err)
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self.error_count += 1
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self.report_error(test, err)
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def addFailure(self, test, err):
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self._cleanupLogFile(test)
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self.extractBenchmarkTime(test)
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if isinstance(err[1], KnownFailure):
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return self.addKnownFailure(test, err)
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unittest.TestResult.addFailure(self, test, err)
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self.failure_count += 1
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self.report_failure(test, err)
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def addKnownFailure(self, test, err):
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self.known_failure_count += 1
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self.report_known_failure(test, err)
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def addNotSupported(self, test, feature):
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self.unsupported.setdefault(str(feature), 0)
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self.unsupported[str(feature)] += 1
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self.report_unsupported(test, feature)
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def addSuccess(self, test):
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self.extractBenchmarkTime(test)
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if self._bench_history is not None:
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if self._benchmarkTime is not None:
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self._bench_history.write("%s %s\n" % (
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self._formatTime(self._benchmarkTime),
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self.report_success(test)
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unittest.TestResult.addSuccess(self, test)
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def addSkipped(self, test, skip_excinfo):
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self.report_skip(test, skip_excinfo)
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# seems best to treat this as success from point-of-view of unittest
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# -- it actually does nothing so it barely matters :)
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except KeyboardInterrupt:
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self.addError(test, test.__exc_info())
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unittest.TestResult.addSuccess(self, test)
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def printErrorList(self, flavour, errors):
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for test, err in errors:
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self.stream.writeln(self.separator1)
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self.stream.write("%s: " % flavour)
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if self.use_numbered_dirs:
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self.stream.write('#%d ' % test.number)
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self.stream.writeln(self.getDescription(test))
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if getattr(test, '_get_log', None) is not None:
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print >>self.stream, \
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('vvvv[log from %s]' % test.id()).ljust(78,'-')
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print >>self.stream, test._get_log()
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print >>self.stream, \
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('^^^^[log from %s]' % test.id()).ljust(78,'-')
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self.stream.writeln(self.separator2)
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self.stream.writeln("%s" % err)
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def report_cleaning_up(self):
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def report_success(self, test):
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class TextTestResult(ExtendedTestResult):
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"""Displays progress and results of tests in text form"""
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def __init__(self, stream, descriptions, verbosity,
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use_numbered_dirs=False,
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ExtendedTestResult.__init__(self, stream, descriptions, verbosity,
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bench_history, num_tests, use_numbered_dirs)
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self.pb = self.ui.nested_progress_bar()
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self._supplied_pb = False
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self._supplied_pb = True
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self.pb.show_pct = False
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self.pb.show_spinner = False
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self.pb.show_eta = False,
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self.pb.show_count = False
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self.pb.show_bar = False
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def report_starting(self):
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self.pb.update('[test 0/%d] starting...' % (self.num_tests))
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def _progress_prefix_text(self):
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a = '[%d' % self.count
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if self.num_tests is not None:
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a +='/%d' % self.num_tests
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a += ' in %ds' % (time.time() - self._overall_start_time)
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a += ', %d errors' % self.error_count
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if self.failure_count:
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a += ', %d failed' % self.failure_count
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if self.known_failure_count:
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a += ', %d known failures' % self.known_failure_count
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a += ', %d skipped' % self.skip_count
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a += ', %d missing features' % len(self.unsupported)
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def report_test_start(self, test):
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self._progress_prefix_text()
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+ self._shortened_test_description(test))
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def _test_description(self, test):
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if self.use_numbered_dirs:
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return '#%d %s' % (self.count,
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self._shortened_test_description(test))
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return self._shortened_test_description(test)
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def report_error(self, test, err):
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self.pb.note('ERROR: %s\n %s\n',
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self._test_description(test),
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def report_failure(self, test, err):
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self.pb.note('FAIL: %s\n %s\n',
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self._test_description(test),
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def report_known_failure(self, test, err):
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self.pb.note('XFAIL: %s\n%s\n',
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self._test_description(test), err[1])
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def report_skip(self, test, skip_excinfo):
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# at the moment these are mostly not things we can fix
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# and so they just produce stipple; use the verbose reporter
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# show test and reason for skip
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self.pb.note('SKIP: %s\n %s\n',
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self._shortened_test_description(test),
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# since the class name was left behind in the still-visible
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self.pb.note('SKIP: %s', skip_excinfo[1])
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def report_unsupported(self, test, feature):
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"""test cannot be run because feature is missing."""
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def report_cleaning_up(self):
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self.pb.update('cleaning up...')
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if not self._supplied_pb:
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class VerboseTestResult(ExtendedTestResult):
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"""Produce long output, with one line per test run plus times"""
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def _ellipsize_to_right(self, a_string, final_width):
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"""Truncate and pad a string, keeping the right hand side"""
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if len(a_string) > final_width:
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result = '...' + a_string[3-final_width:]
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return result.ljust(final_width)
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def report_starting(self):
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self.stream.write('running %d tests...\n' % self.num_tests)
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def report_test_start(self, test):
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name = self._shortened_test_description(test)
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# width needs space for 6 char status, plus 1 for slash, plus 2 10-char
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# numbers, plus a trailing blank
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# when NUMBERED_DIRS: plus 5 chars on test number, plus 1 char on space
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if self.use_numbered_dirs:
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self.stream.write('%5d ' % self.count)
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self.stream.write(self._ellipsize_to_right(name,
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osutils.terminal_width()-36))
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self.stream.write(self._ellipsize_to_right(name,
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osutils.terminal_width()-30))
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def _error_summary(self, err):
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if self.use_numbered_dirs:
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return '%s%s' % (indent, err[1])
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def report_error(self, test, err):
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self.stream.writeln('ERROR %s\n%s'
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% (self._testTimeString(),
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self._error_summary(err)))
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def report_failure(self, test, err):
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self.stream.writeln(' FAIL %s\n%s'
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% (self._testTimeString(),
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self._error_summary(err)))
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def report_known_failure(self, test, err):
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self.stream.writeln('XFAIL %s\n%s'
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% (self._testTimeString(),
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self._error_summary(err)))
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def report_success(self, test):
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self.stream.writeln(' OK %s' % self._testTimeString())
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for bench_called, stats in getattr(test, '_benchcalls', []):
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self.stream.writeln('LSProf output for %s(%s, %s)' % bench_called)
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stats.pprint(file=self.stream)
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# flush the stream so that we get smooth output. This verbose mode is
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# used to show the output in PQM.
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def report_skip(self, test, skip_excinfo):
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self.stream.writeln(' SKIP %s\n%s'
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% (self._testTimeString(),
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self._error_summary(skip_excinfo)))
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def report_unsupported(self, test, feature):
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"""test cannot be run because feature is missing."""
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self.stream.writeln("NODEP %s\n The feature '%s' is not available."
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%(self._testTimeString(), feature))
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class TextTestRunner(object):
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stop_on_failure = False
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use_numbered_dirs=False,
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self.stream = unittest._WritelnDecorator(stream)
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self.descriptions = descriptions
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self.verbosity = verbosity
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self.keep_output = keep_output
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self._bench_history = bench_history
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self.use_numbered_dirs = use_numbered_dirs
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"Run the given test case or test suite."
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startTime = time.time()
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if self.verbosity == 1:
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result_class = TextTestResult
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elif self.verbosity >= 2:
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result_class = VerboseTestResult
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result = result_class(self.stream,
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bench_history=self._bench_history,
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num_tests=test.countTestCases(),
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use_numbered_dirs=self.use_numbered_dirs,
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result.stop_early = self.stop_on_failure
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result.report_starting()
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stopTime = time.time()
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timeTaken = stopTime - startTime
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self.stream.writeln(result.separator2)
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run = result.testsRun
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self.stream.writeln("Ran %d test%s in %.3fs" %
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(run, run != 1 and "s" or "", timeTaken))
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self.stream.writeln()
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if not result.wasSuccessful():
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self.stream.write("FAILED (")
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failed, errored = map(len, (result.failures, result.errors))
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self.stream.write("failures=%d" % failed)
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if failed: self.stream.write(", ")
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self.stream.write("errors=%d" % errored)
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if result.known_failure_count:
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if failed or errored: self.stream.write(", ")
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self.stream.write("known_failure_count=%d" %
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result.known_failure_count)
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self.stream.writeln(")")
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if result.known_failure_count:
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self.stream.writeln("OK (known_failures=%d)" %
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result.known_failure_count)
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self.stream.writeln("OK")
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if result.skip_count > 0:
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skipped = result.skip_count
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self.stream.writeln('%d test%s skipped' %
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(skipped, skipped != 1 and "s" or ""))
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if result.unsupported:
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for feature, count in sorted(result.unsupported.items()):
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self.stream.writeln("Missing feature '%s' skipped %d tests." %
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result.report_cleaning_up()
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# This is still a little bogus,
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# but only a little. Folk not using our testrunner will
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# have to delete their temp directories themselves.
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test_root = TestCaseWithMemoryTransport.TEST_ROOT
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if result.wasSuccessful() or not self.keep_output:
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if test_root is not None:
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# If LANG=C we probably have created some bogus paths
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# which rmtree(unicode) will fail to delete
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# so make sure we are using rmtree(str) to delete everything
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# except on win32, where rmtree(str) will fail
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# since it doesn't have the property of byte-stream paths
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# (they are either ascii or mbcs)
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if sys.platform == 'win32':
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# make sure we are using the unicode win32 api
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test_root = unicode(test_root)
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test_root = test_root.encode(
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sys.getfilesystemencoding())
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_rmtree_temp_dir(test_root)
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note("Failed tests working directories are in '%s'\n", test_root)
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TestCaseWithMemoryTransport.TEST_ROOT = None
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def iter_suite_tests(suite):
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"""Return all tests in a suite, recursing through nested suites"""
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for item in suite._tests:
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if isinstance(item, unittest.TestCase):
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elif isinstance(item, unittest.TestSuite):
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for r in iter_suite_tests(item):
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raise Exception('unknown object %r inside test suite %r'
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class TestSkipped(Exception):
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"""Indicates that a test was intentionally skipped, rather than failing."""
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class KnownFailure(AssertionError):
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"""Indicates that a test failed in a precisely expected manner.
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Such failures dont block the whole test suite from passing because they are
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indicators of partially completed code or of future work. We have an
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explicit error for them so that we can ensure that they are always visible:
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KnownFailures are always shown in the output of bzr selftest.
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class UnavailableFeature(Exception):
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"""A feature required for this test was not available.
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The feature should be used to construct the exception.
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class CommandFailed(Exception):
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class StringIOWrapper(object):
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"""A wrapper around cStringIO which just adds an encoding attribute.
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Internally we can check sys.stdout to see what the output encoding
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should be. However, cStringIO has no encoding attribute that we can
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set. So we wrap it instead.
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def __init__(self, s=None):
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self.__dict__['_cstring'] = StringIO(s)
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self.__dict__['_cstring'] = StringIO()
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def __getattr__(self, name, getattr=getattr):
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return getattr(self.__dict__['_cstring'], name)
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def __setattr__(self, name, val):
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if name == 'encoding':
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self.__dict__['encoding'] = val
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return setattr(self._cstring, name, val)
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class TestUIFactory(ui.CLIUIFactory):
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"""A UI Factory for testing.
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Hide the progress bar but emit note()s.
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Allows get_password to be tested without real tty attached.
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super(TestUIFactory, self).__init__()
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if stdin is not None:
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# We use a StringIOWrapper to be able to test various
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# encodings, but the user is still responsible to
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# encode the string and to set the encoding attribute
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# of StringIOWrapper.
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self.stdin = StringIOWrapper(stdin)
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self.stdout = sys.stdout
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self.stderr = sys.stderr
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"""See progress.ProgressBar.clear()."""
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def clear_term(self):
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"""See progress.ProgressBar.clear_term()."""
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def clear_term(self):
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"""See progress.ProgressBar.clear_term()."""
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"""See progress.ProgressBar.finished()."""
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def note(self, fmt_string, *args, **kwargs):
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"""See progress.ProgressBar.note()."""
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self.stdout.write((fmt_string + "\n") % args)
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def progress_bar(self):
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def nested_progress_bar(self):
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def update(self, message, count=None, total=None):
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"""See progress.ProgressBar.update()."""
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def get_non_echoed_password(self, prompt):
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"""Get password from stdin without trying to handle the echo mode"""
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self.stdout.write(prompt)
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password = self.stdin.readline()
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if password[-1] == '\n':
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password = password[:-1]
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class TestCase(unittest.TestCase):
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"""Base class for bzr unit tests.
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Tests that need access to disk resources should subclass
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TestCaseInTempDir not TestCase.
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Error and debug log messages are redirected from their usual
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location into a temporary file, the contents of which can be
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retrieved by _get_log(). We use a real OS file, not an in-memory object,
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so that it can also capture file IO. When the test completes this file
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is read into memory and removed from disk.
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There are also convenience functions to invoke bzr's command-line
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routine, and to build and check bzr trees.
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In addition to the usual method of overriding tearDown(), this class also
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allows subclasses to register functions into the _cleanups list, which is
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run in order as the object is torn down. It's less likely this will be
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accidentally overlooked.
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_log_file_name = None
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_keep_log_file = False
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# record lsprof data when performing benchmark calls.
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_gather_lsprof_in_benchmarks = False
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def __init__(self, methodName='testMethod'):
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super(TestCase, self).__init__(methodName)
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unittest.TestCase.setUp(self)
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self._cleanEnvironment()
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bzrlib.trace.disable_default_logging()
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self._benchcalls = []
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self._benchtime = None
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# prevent hooks affecting tests
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self._preserved_hooks = {
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bzrlib.branch.Branch:bzrlib.branch.Branch.hooks,
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bzrlib.smart.server.SmartTCPServer:bzrlib.smart.server.SmartTCPServer.hooks,
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self.addCleanup(self._restoreHooks)
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# this list of hooks must be kept in sync with the defaults
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bzrlib.branch.Branch.hooks = bzrlib.branch.BranchHooks()
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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()
771
self.addCleanup(_restore)
773
def _ndiff_strings(self, a, b):
774
"""Return ndiff between two strings containing lines.
776
A trailing newline is added if missing to make the strings
778
if b and b[-1] != '\n':
780
if a and a[-1] != '\n':
782
difflines = difflib.ndiff(a.splitlines(True),
784
linejunk=lambda x: False,
785
charjunk=lambda x: False)
786
return ''.join(difflines)
788
def assertEqual(self, a, b, message=''):
792
except UnicodeError, e:
793
# If we can't compare without getting a UnicodeError, then
794
# obviously they are different
795
mutter('UnicodeError: %s', e)
798
raise AssertionError("%snot equal:\na = %s\nb = %s\n"
800
pformat(a, indent=4), pformat(b, indent=4)))
802
assertEquals = assertEqual
804
def assertEqualDiff(self, a, b, message=None):
805
"""Assert two texts are equal, if not raise an exception.
807
This is intended for use with multi-line strings where it can
808
be hard to find the differences by eye.
810
# TODO: perhaps override assertEquals to call this for strings?
814
message = "texts not equal:\n"
815
raise AssertionError(message +
816
self._ndiff_strings(a, b))
818
def assertEqualMode(self, mode, mode_test):
819
self.assertEqual(mode, mode_test,
820
'mode mismatch %o != %o' % (mode, mode_test))
822
def assertStartsWith(self, s, prefix):
823
if not s.startswith(prefix):
824
raise AssertionError('string %r does not start with %r' % (s, prefix))
826
def assertEndsWith(self, s, suffix):
827
"""Asserts that s ends with suffix."""
828
if not s.endswith(suffix):
829
raise AssertionError('string %r does not end with %r' % (s, suffix))
831
def assertContainsRe(self, haystack, needle_re):
832
"""Assert that a contains something matching a regular expression."""
833
if not re.search(needle_re, haystack):
834
raise AssertionError('pattern "%r" not found in "%r"'
835
% (needle_re, haystack))
837
def assertNotContainsRe(self, haystack, needle_re):
838
"""Assert that a does not match a regular expression"""
839
if re.search(needle_re, haystack):
840
raise AssertionError('pattern "%s" found in "%s"'
841
% (needle_re, haystack))
843
def assertSubset(self, sublist, superlist):
844
"""Assert that every entry in sublist is present in superlist."""
846
for entry in sublist:
847
if entry not in superlist:
848
missing.append(entry)
850
raise AssertionError("value(s) %r not present in container %r" %
851
(missing, superlist))
853
def assertListRaises(self, excClass, func, *args, **kwargs):
854
"""Fail unless excClass is raised when the iterator from func is used.
856
Many functions can return generators this makes sure
857
to wrap them in a list() call to make sure the whole generator
858
is run, and that the proper exception is raised.
861
list(func(*args, **kwargs))
865
if getattr(excClass,'__name__', None) is not None:
866
excName = excClass.__name__
868
excName = str(excClass)
869
raise self.failureException, "%s not raised" % excName
871
def assertRaises(self, excClass, func, *args, **kwargs):
872
"""Assert that a callable raises a particular exception.
874
:param excClass: As for the except statement, this may be either an
875
exception class, or a tuple of classes.
877
Returns the exception so that you can examine it.
880
func(*args, **kwargs)
884
if getattr(excClass,'__name__', None) is not None:
885
excName = excClass.__name__
888
excName = str(excClass)
889
raise self.failureException, "%s not raised" % excName
891
def assertIs(self, left, right, message=None):
892
if not (left is right):
893
if message is not None:
894
raise AssertionError(message)
896
raise AssertionError("%r is not %r." % (left, right))
898
def assertIsNot(self, left, right, message=None):
900
if message is not None:
901
raise AssertionError(message)
903
raise AssertionError("%r is %r." % (left, right))
905
def assertTransportMode(self, transport, path, mode):
906
"""Fail if a path does not have mode mode.
908
If modes are not supported on this transport, the assertion is ignored.
910
if not transport._can_roundtrip_unix_modebits():
912
path_stat = transport.stat(path)
913
actual_mode = stat.S_IMODE(path_stat.st_mode)
914
self.assertEqual(mode, actual_mode,
915
'mode of %r incorrect (%o != %o)' % (path, mode, actual_mode))
917
def assertIsInstance(self, obj, kls):
918
"""Fail if obj is not an instance of kls"""
919
if not isinstance(obj, kls):
920
self.fail("%r is an instance of %s rather than %s" % (
921
obj, obj.__class__, kls))
923
def expectFailure(self, reason, assertion, *args, **kwargs):
924
"""Invoke a test, expecting it to fail for the given reason.
926
This is for assertions that ought to succeed, but currently fail.
927
(The failure is *expected* but not *wanted*.) Please be very precise
928
about the failure you're expecting. If a new bug is introduced,
929
AssertionError should be raised, not KnownFailure.
931
Frequently, expectFailure should be followed by an opposite assertion.
934
Intended to be used with a callable that raises AssertionError as the
935
'assertion' parameter. args and kwargs are passed to the 'assertion'.
937
Raises KnownFailure if the test fails. Raises AssertionError if the
942
self.expectFailure('Math is broken', self.assertNotEqual, 54,
944
self.assertEqual(42, dynamic_val)
946
This means that a dynamic_val of 54 will cause the test to raise
947
a KnownFailure. Once math is fixed and the expectFailure is removed,
948
only a dynamic_val of 42 will allow the test to pass. Anything other
949
than 54 or 42 will cause an AssertionError.
952
assertion(*args, **kwargs)
953
except AssertionError:
954
raise KnownFailure(reason)
956
self.fail('Unexpected success. Should have failed: %s' % reason)
958
def _capture_warnings(self, a_callable, *args, **kwargs):
959
"""A helper for callDeprecated and applyDeprecated.
961
:param a_callable: A callable to call.
962
:param args: The positional arguments for the callable
963
:param kwargs: The keyword arguments for the callable
964
:return: A tuple (warnings, result). result is the result of calling
965
a_callable(*args, **kwargs).
968
def capture_warnings(msg, cls=None, stacklevel=None):
969
# we've hooked into a deprecation specific callpath,
970
# only deprecations should getting sent via it.
971
self.assertEqual(cls, DeprecationWarning)
972
local_warnings.append(msg)
973
original_warning_method = symbol_versioning.warn
974
symbol_versioning.set_warning_method(capture_warnings)
976
result = a_callable(*args, **kwargs)
978
symbol_versioning.set_warning_method(original_warning_method)
979
return (local_warnings, result)
981
def applyDeprecated(self, deprecation_format, a_callable, *args, **kwargs):
982
"""Call a deprecated callable without warning the user.
984
:param deprecation_format: The deprecation format that the callable
985
should have been deprecated with. This is the same type as the
986
parameter to deprecated_method/deprecated_function. If the
987
callable is not deprecated with this format, an assertion error
989
:param a_callable: A callable to call. This may be a bound method or
990
a regular function. It will be called with *args and **kwargs.
991
:param args: The positional arguments for the callable
992
:param kwargs: The keyword arguments for the callable
993
:return: The result of a_callable(*args, **kwargs)
995
call_warnings, result = self._capture_warnings(a_callable,
997
expected_first_warning = symbol_versioning.deprecation_string(
998
a_callable, deprecation_format)
999
if len(call_warnings) == 0:
1000
self.fail("No deprecation warning generated by call to %s" %
1002
self.assertEqual(expected_first_warning, call_warnings[0])
1005
def callDeprecated(self, expected, callable, *args, **kwargs):
1006
"""Assert that a callable is deprecated in a particular way.
1008
This is a very precise test for unusual requirements. The
1009
applyDeprecated helper function is probably more suited for most tests
1010
as it allows you to simply specify the deprecation format being used
1011
and will ensure that that is issued for the function being called.
1013
:param expected: a list of the deprecation warnings expected, in order
1014
:param callable: The callable to call
1015
:param args: The positional arguments for the callable
1016
:param kwargs: The keyword arguments for the callable
1018
call_warnings, result = self._capture_warnings(callable,
1020
self.assertEqual(expected, call_warnings)
1023
def _startLogFile(self):
1024
"""Send bzr and test log messages to a temporary file.
1026
The file is removed as the test is torn down.
1028
fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
1029
self._log_file = os.fdopen(fileno, 'w+')
1030
self._log_nonce = bzrlib.trace.enable_test_log(self._log_file)
1031
self._log_file_name = name
1032
self.addCleanup(self._finishLogFile)
1034
def _finishLogFile(self):
1035
"""Finished with the log file.
1037
Close the file and delete it, unless setKeepLogfile was called.
1039
if self._log_file is None:
1041
bzrlib.trace.disable_test_log(self._log_nonce)
1042
self._log_file.close()
1043
self._log_file = None
1044
if not self._keep_log_file:
1045
os.remove(self._log_file_name)
1046
self._log_file_name = None
1048
def setKeepLogfile(self):
1049
"""Make the logfile not be deleted when _finishLogFile is called."""
1050
self._keep_log_file = True
1052
def addCleanup(self, callable):
1053
"""Arrange to run a callable when this case is torn down.
1055
Callables are run in the reverse of the order they are registered,
1056
ie last-in first-out.
1058
if callable in self._cleanups:
1059
raise ValueError("cleanup function %r already registered on %s"
1061
self._cleanups.append(callable)
1063
def _cleanEnvironment(self):
1065
'BZR_HOME': None, # Don't inherit BZR_HOME to all the tests.
1066
'HOME': os.getcwd(),
1067
'APPDATA': None, # bzr now use Win32 API and don't rely on APPDATA
1069
'BZREMAIL': None, # may still be present in the environment
1071
'BZR_PROGRESS_BAR': None,
1075
'https_proxy': None,
1076
'HTTPS_PROXY': None,
1081
# Nobody cares about these ones AFAIK. So far at
1082
# least. If you do (care), please update this comment
1088
self.addCleanup(self._restoreEnvironment)
1089
for name, value in new_env.iteritems():
1090
self._captureVar(name, value)
1092
def _captureVar(self, name, newvalue):
1093
"""Set an environment variable, and reset it when finished."""
1094
self.__old_env[name] = osutils.set_or_unset_env(name, newvalue)
1096
def _restoreEnvironment(self):
1097
for name, value in self.__old_env.iteritems():
1098
osutils.set_or_unset_env(name, value)
1100
def _restoreHooks(self):
1101
for klass, hooks in self._preserved_hooks.items():
1102
setattr(klass, 'hooks', hooks)
1104
def knownFailure(self, reason):
1105
"""This test has failed for some known reason."""
1106
raise KnownFailure(reason)
1108
def run(self, result=None):
1109
if result is None: result = self.defaultTestResult()
1110
for feature in getattr(self, '_test_needs_features', []):
1111
if not feature.available():
1112
result.startTest(self)
1113
if getattr(result, 'addNotSupported', None):
1114
result.addNotSupported(self, feature)
1116
result.addSuccess(self)
1117
result.stopTest(self)
1119
return unittest.TestCase.run(self, result)
1123
unittest.TestCase.tearDown(self)
1125
def time(self, callable, *args, **kwargs):
1126
"""Run callable and accrue the time it takes to the benchmark time.
1128
If lsprofiling is enabled (i.e. by --lsprof-time to bzr selftest) then
1129
this will cause lsprofile statistics to be gathered and stored in
1132
if self._benchtime is None:
1136
if not self._gather_lsprof_in_benchmarks:
1137
return callable(*args, **kwargs)
1139
# record this benchmark
1140
ret, stats = bzrlib.lsprof.profile(callable, *args, **kwargs)
1142
self._benchcalls.append(((callable, args, kwargs), stats))
1145
self._benchtime += time.time() - start
1147
def _runCleanups(self):
1148
"""Run registered cleanup functions.
1150
This should only be called from TestCase.tearDown.
1152
# TODO: Perhaps this should keep running cleanups even if
1153
# one of them fails?
1155
# Actually pop the cleanups from the list so tearDown running
1156
# twice is safe (this happens for skipped tests).
1157
while self._cleanups:
1158
self._cleanups.pop()()
1160
def log(self, *args):
1163
def _get_log(self, keep_log_file=False):
1164
"""Return as a string the log for this test. If the file is still
1165
on disk and keep_log_file=False, delete the log file and store the
1166
content in self._log_contents."""
1167
# flush the log file, to get all content
1169
bzrlib.trace._trace_file.flush()
1170
if self._log_contents:
1171
return self._log_contents
1172
if self._log_file_name is not None:
1173
logfile = open(self._log_file_name)
1175
log_contents = logfile.read()
1178
if not keep_log_file:
1179
self._log_contents = log_contents
1181
os.remove(self._log_file_name)
1183
if sys.platform == 'win32' and e.errno == errno.EACCES:
1184
print >>sys.stderr, ('Unable to delete log file '
1185
' %r' % self._log_file_name)
1190
return "DELETED log file to reduce memory footprint"
1192
def capture(self, cmd, retcode=0):
1193
"""Shortcut that splits cmd into words, runs, and returns stdout"""
1194
return self.run_bzr_captured(cmd.split(), retcode=retcode)[0]
1196
def requireFeature(self, feature):
1197
"""This test requires a specific feature is available.
1199
:raises UnavailableFeature: When feature is not available.
1201
if not feature.available():
1202
raise UnavailableFeature(feature)
1204
def run_bzr_captured(self, argv, retcode=0, encoding=None, stdin=None,
1206
"""Invoke bzr and return (stdout, stderr).
1208
Useful for code that wants to check the contents of the
1209
output, the way error messages are presented, etc.
1211
This should be the main method for tests that want to exercise the
1212
overall behavior of the bzr application (rather than a unit test
1213
or a functional test of the library.)
1215
Much of the old code runs bzr by forking a new copy of Python, but
1216
that is slower, harder to debug, and generally not necessary.
1218
This runs bzr through the interface that catches and reports
1219
errors, and with logging set to something approximating the
1220
default, so that error reporting can be checked.
1222
:param argv: arguments to invoke bzr
1223
:param retcode: expected return code, or None for don't-care.
1224
:param encoding: encoding for sys.stdout and sys.stderr
1225
:param stdin: A string to be used as stdin for the command.
1226
:param working_dir: Change to this directory before running
1228
if encoding is None:
1229
encoding = bzrlib.user_encoding
1230
stdout = StringIOWrapper()
1231
stderr = StringIOWrapper()
1232
stdout.encoding = encoding
1233
stderr.encoding = encoding
1235
self.log('run bzr: %r', argv)
1236
# FIXME: don't call into logging here
1237
handler = logging.StreamHandler(stderr)
1238
handler.setLevel(logging.INFO)
1239
logger = logging.getLogger('')
1240
logger.addHandler(handler)
1241
old_ui_factory = ui.ui_factory
1242
ui.ui_factory = TestUIFactory(stdin=stdin, stdout=stdout, stderr=stderr)
1245
if working_dir is not None:
1246
cwd = osutils.getcwd()
1247
os.chdir(working_dir)
1250
saved_debug_flags = frozenset(debug.debug_flags)
1251
debug.debug_flags.clear()
1253
result = self.apply_redirected(ui.ui_factory.stdin,
1255
bzrlib.commands.run_bzr_catch_errors,
1258
debug.debug_flags.update(saved_debug_flags)
1260
logger.removeHandler(handler)
1261
ui.ui_factory = old_ui_factory
1265
out = stdout.getvalue()
1266
err = stderr.getvalue()
1268
self.log('output:\n%r', out)
1270
self.log('errors:\n%r', err)
1271
if retcode is not None:
1272
self.assertEquals(retcode, result)
1275
def run_bzr(self, *args, **kwargs):
1276
"""Invoke bzr, as if it were run from the command line.
1278
This should be the main method for tests that want to exercise the
1279
overall behavior of the bzr application (rather than a unit test
1280
or a functional test of the library.)
1282
This sends the stdout/stderr results into the test's log,
1283
where it may be useful for debugging. See also run_captured.
1285
:param stdin: A string to be used as stdin for the command.
1286
:param retcode: The status code the command should return
1287
:param working_dir: The directory to run the command in
1289
retcode = kwargs.pop('retcode', 0)
1290
encoding = kwargs.pop('encoding', None)
1291
stdin = kwargs.pop('stdin', None)
1292
working_dir = kwargs.pop('working_dir', None)
1293
return self.run_bzr_captured(args, retcode=retcode, encoding=encoding,
1294
stdin=stdin, working_dir=working_dir)
1296
def run_bzr_decode(self, *args, **kwargs):
1297
if 'encoding' in kwargs:
1298
encoding = kwargs['encoding']
1300
encoding = bzrlib.user_encoding
1301
return self.run_bzr(*args, **kwargs)[0].decode(encoding)
1303
def run_bzr_error(self, error_regexes, *args, **kwargs):
1304
"""Run bzr, and check that stderr contains the supplied regexes
1306
:param error_regexes: Sequence of regular expressions which
1307
must each be found in the error output. The relative ordering
1309
:param args: command-line arguments for bzr
1310
:param kwargs: Keyword arguments which are interpreted by run_bzr
1311
This function changes the default value of retcode to be 3,
1312
since in most cases this is run when you expect bzr to fail.
1313
:return: (out, err) The actual output of running the command (in case you
1314
want to do more inspection)
1317
# Make sure that commit is failing because there is nothing to do
1318
self.run_bzr_error(['no changes to commit'],
1319
'commit', '-m', 'my commit comment')
1320
# Make sure --strict is handling an unknown file, rather than
1321
# giving us the 'nothing to do' error
1322
self.build_tree(['unknown'])
1323
self.run_bzr_error(['Commit refused because there are unknown files'],
1324
'commit', '--strict', '-m', 'my commit comment')
1326
kwargs.setdefault('retcode', 3)
1327
out, err = self.run_bzr(*args, **kwargs)
1328
for regex in error_regexes:
1329
self.assertContainsRe(err, regex)
1332
def run_bzr_subprocess(self, *args, **kwargs):
1333
"""Run bzr in a subprocess for testing.
1335
This starts a new Python interpreter and runs bzr in there.
1336
This should only be used for tests that have a justifiable need for
1337
this isolation: e.g. they are testing startup time, or signal
1338
handling, or early startup code, etc. Subprocess code can't be
1339
profiled or debugged so easily.
1341
:param retcode: The status code that is expected. Defaults to 0. If
1342
None is supplied, the status code is not checked.
1343
:param env_changes: A dictionary which lists changes to environment
1344
variables. A value of None will unset the env variable.
1345
The values must be strings. The change will only occur in the
1346
child, so you don't need to fix the environment after running.
1347
:param universal_newlines: Convert CRLF => LF
1348
:param allow_plugins: By default the subprocess is run with
1349
--no-plugins to ensure test reproducibility. Also, it is possible
1350
for system-wide plugins to create unexpected output on stderr,
1351
which can cause unnecessary test failures.
1353
env_changes = kwargs.get('env_changes', {})
1354
working_dir = kwargs.get('working_dir', None)
1355
allow_plugins = kwargs.get('allow_plugins', False)
1356
process = self.start_bzr_subprocess(args, env_changes=env_changes,
1357
working_dir=working_dir,
1358
allow_plugins=allow_plugins)
1359
# We distinguish between retcode=None and retcode not passed.
1360
supplied_retcode = kwargs.get('retcode', 0)
1361
return self.finish_bzr_subprocess(process, retcode=supplied_retcode,
1362
universal_newlines=kwargs.get('universal_newlines', False),
1365
def start_bzr_subprocess(self, process_args, env_changes=None,
1366
skip_if_plan_to_signal=False,
1368
allow_plugins=False):
1369
"""Start bzr in a subprocess for testing.
1371
This starts a new Python interpreter and runs bzr in there.
1372
This should only be used for tests that have a justifiable need for
1373
this isolation: e.g. they are testing startup time, or signal
1374
handling, or early startup code, etc. Subprocess code can't be
1375
profiled or debugged so easily.
1377
:param process_args: a list of arguments to pass to the bzr executable,
1378
for example `['--version']`.
1379
:param env_changes: A dictionary which lists changes to environment
1380
variables. A value of None will unset the env variable.
1381
The values must be strings. The change will only occur in the
1382
child, so you don't need to fix the environment after running.
1383
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
1385
:param allow_plugins: If False (default) pass --no-plugins to bzr.
1387
:returns: Popen object for the started process.
1389
if skip_if_plan_to_signal:
1390
if not getattr(os, 'kill', None):
1391
raise TestSkipped("os.kill not available.")
1393
if env_changes is None:
1397
def cleanup_environment():
1398
for env_var, value in env_changes.iteritems():
1399
old_env[env_var] = osutils.set_or_unset_env(env_var, value)
1401
def restore_environment():
1402
for env_var, value in old_env.iteritems():
1403
osutils.set_or_unset_env(env_var, value)
1405
bzr_path = self.get_bzr_path()
1408
if working_dir is not None:
1409
cwd = osutils.getcwd()
1410
os.chdir(working_dir)
1413
# win32 subprocess doesn't support preexec_fn
1414
# so we will avoid using it on all platforms, just to
1415
# make sure the code path is used, and we don't break on win32
1416
cleanup_environment()
1417
command = [sys.executable, bzr_path]
1418
if not allow_plugins:
1419
command.append('--no-plugins')
1420
command.extend(process_args)
1421
process = self._popen(command, stdin=PIPE, stdout=PIPE, stderr=PIPE)
1423
restore_environment()
1429
def _popen(self, *args, **kwargs):
1430
"""Place a call to Popen.
1432
Allows tests to override this method to intercept the calls made to
1433
Popen for introspection.
1435
return Popen(*args, **kwargs)
1437
def get_bzr_path(self):
1438
"""Return the path of the 'bzr' executable for this test suite."""
1439
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
1440
if not os.path.isfile(bzr_path):
1441
# We are probably installed. Assume sys.argv is the right file
1442
bzr_path = sys.argv[0]
1445
def finish_bzr_subprocess(self, process, retcode=0, send_signal=None,
1446
universal_newlines=False, process_args=None):
1447
"""Finish the execution of process.
1449
:param process: the Popen object returned from start_bzr_subprocess.
1450
:param retcode: The status code that is expected. Defaults to 0. If
1451
None is supplied, the status code is not checked.
1452
:param send_signal: an optional signal to send to the process.
1453
:param universal_newlines: Convert CRLF => LF
1454
:returns: (stdout, stderr)
1456
if send_signal is not None:
1457
os.kill(process.pid, send_signal)
1458
out, err = process.communicate()
1460
if universal_newlines:
1461
out = out.replace('\r\n', '\n')
1462
err = err.replace('\r\n', '\n')
1464
if retcode is not None and retcode != process.returncode:
1465
if process_args is None:
1466
process_args = "(unknown args)"
1467
mutter('Output of bzr %s:\n%s', process_args, out)
1468
mutter('Error for bzr %s:\n%s', process_args, err)
1469
self.fail('Command bzr %s failed with retcode %s != %s'
1470
% (process_args, retcode, process.returncode))
1473
def check_inventory_shape(self, inv, shape):
1474
"""Compare an inventory to a list of expected names.
1476
Fail if they are not precisely equal.
1479
shape = list(shape) # copy
1480
for path, ie in inv.entries():
1481
name = path.replace('\\', '/')
1482
if ie.kind == 'dir':
1489
self.fail("expected paths not found in inventory: %r" % shape)
1491
self.fail("unexpected paths found in inventory: %r" % extras)
1493
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
1494
a_callable=None, *args, **kwargs):
1495
"""Call callable with redirected std io pipes.
1497
Returns the return code."""
1498
if not callable(a_callable):
1499
raise ValueError("a_callable must be callable.")
1501
stdin = StringIO("")
1503
if getattr(self, "_log_file", None) is not None:
1504
stdout = self._log_file
1508
if getattr(self, "_log_file", None is not None):
1509
stderr = self._log_file
1512
real_stdin = sys.stdin
1513
real_stdout = sys.stdout
1514
real_stderr = sys.stderr
1519
return a_callable(*args, **kwargs)
1521
sys.stdout = real_stdout
1522
sys.stderr = real_stderr
1523
sys.stdin = real_stdin
1525
@symbol_versioning.deprecated_method(symbol_versioning.zero_eleven)
1526
def merge(self, branch_from, wt_to):
1527
"""A helper for tests to do a ui-less merge.
1529
This should move to the main library when someone has time to integrate
1532
# minimal ui-less merge.
1533
wt_to.branch.fetch(branch_from)
1534
base_rev = common_ancestor(branch_from.last_revision(),
1535
wt_to.branch.last_revision(),
1536
wt_to.branch.repository)
1537
merge_inner(wt_to.branch, branch_from.basis_tree(),
1538
wt_to.branch.repository.revision_tree(base_rev),
1540
wt_to.add_parent_tree_id(branch_from.last_revision())
1542
def reduceLockdirTimeout(self):
1543
"""Reduce the default lock timeout for the duration of the test, so that
1544
if LockContention occurs during a test, it does so quickly.
1546
Tests that expect to provoke LockContention errors should call this.
1548
orig_timeout = bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS
1550
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = orig_timeout
1551
self.addCleanup(resetTimeout)
1552
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = 0
1554
BzrTestBase = TestCase
1557
class TestCaseWithMemoryTransport(TestCase):
1558
"""Common test class for tests that do not need disk resources.
1560
Tests that need disk resources should derive from TestCaseWithTransport.
1562
TestCaseWithMemoryTransport sets the TEST_ROOT variable for all bzr tests.
1564
For TestCaseWithMemoryTransport the test_home_dir is set to the name of
1565
a directory which does not exist. This serves to help ensure test isolation
1566
is preserved. test_dir is set to the TEST_ROOT, as is cwd, because they
1567
must exist. However, TestCaseWithMemoryTransport does not offer local
1568
file defaults for the transport in tests, nor does it obey the command line
1569
override, so tests that accidentally write to the common directory should
1577
def __init__(self, methodName='runTest'):
1578
# allow test parameterisation after test construction and before test
1579
# execution. Variables that the parameteriser sets need to be
1580
# ones that are not set by setUp, or setUp will trash them.
1581
super(TestCaseWithMemoryTransport, self).__init__(methodName)
1582
self.vfs_transport_factory = default_transport
1583
self.transport_server = None
1584
self.transport_readonly_server = None
1585
self.__vfs_server = None
1587
def get_transport(self):
1588
"""Return a writeable transport for the test scratch space"""
1589
t = get_transport(self.get_url())
1590
self.assertFalse(t.is_readonly())
1593
def get_readonly_transport(self):
1594
"""Return a readonly transport for the test scratch space
1596
This can be used to test that operations which should only need
1597
readonly access in fact do not try to write.
1599
t = get_transport(self.get_readonly_url())
1600
self.assertTrue(t.is_readonly())
1603
def create_transport_readonly_server(self):
1604
"""Create a transport server from class defined at init.
1606
This is mostly a hook for daughter classes.
1608
return self.transport_readonly_server()
1610
def get_readonly_server(self):
1611
"""Get the server instance for the readonly transport
1613
This is useful for some tests with specific servers to do diagnostics.
1615
if self.__readonly_server is None:
1616
if self.transport_readonly_server is None:
1617
# readonly decorator requested
1618
# bring up the server
1619
self.__readonly_server = ReadonlyServer()
1620
self.__readonly_server.setUp(self.get_vfs_only_server())
1622
self.__readonly_server = self.create_transport_readonly_server()
1623
self.__readonly_server.setUp(self.get_vfs_only_server())
1624
self.addCleanup(self.__readonly_server.tearDown)
1625
return self.__readonly_server
1627
def get_readonly_url(self, relpath=None):
1628
"""Get a URL for the readonly transport.
1630
This will either be backed by '.' or a decorator to the transport
1631
used by self.get_url()
1632
relpath provides for clients to get a path relative to the base url.
1633
These should only be downwards relative, not upwards.
1635
base = self.get_readonly_server().get_url()
1636
if relpath is not None:
1637
if not base.endswith('/'):
1639
base = base + relpath
1642
def get_vfs_only_server(self):
1643
"""Get the vfs only read/write server instance.
1645
This is useful for some tests with specific servers that need
1648
For TestCaseWithMemoryTransport this is always a MemoryServer, and there
1649
is no means to override it.
1651
if self.__vfs_server is None:
1652
self.__vfs_server = MemoryServer()
1653
self.__vfs_server.setUp()
1654
self.addCleanup(self.__vfs_server.tearDown)
1655
return self.__vfs_server
1657
def get_server(self):
1658
"""Get the read/write server instance.
1660
This is useful for some tests with specific servers that need
1663
This is built from the self.transport_server factory. If that is None,
1664
then the self.get_vfs_server is returned.
1666
if self.__server is None:
1667
if self.transport_server is None or self.transport_server is self.vfs_transport_factory:
1668
return self.get_vfs_only_server()
1670
# bring up a decorated means of access to the vfs only server.
1671
self.__server = self.transport_server()
1673
self.__server.setUp(self.get_vfs_only_server())
1674
except TypeError, e:
1675
# This should never happen; the try:Except here is to assist
1676
# developers having to update code rather than seeing an
1677
# uninformative TypeError.
1678
raise Exception, "Old server API in use: %s, %s" % (self.__server, e)
1679
self.addCleanup(self.__server.tearDown)
1680
return self.__server
1682
def _adjust_url(self, base, relpath):
1683
"""Get a URL (or maybe a path) for the readwrite transport.
1685
This will either be backed by '.' or to an equivalent non-file based
1687
relpath provides for clients to get a path relative to the base url.
1688
These should only be downwards relative, not upwards.
1690
if relpath is not None and relpath != '.':
1691
if not base.endswith('/'):
1693
# XXX: Really base should be a url; we did after all call
1694
# get_url()! But sometimes it's just a path (from
1695
# LocalAbspathServer), and it'd be wrong to append urlescaped data
1696
# to a non-escaped local path.
1697
if base.startswith('./') or base.startswith('/'):
1700
base += urlutils.escape(relpath)
1703
def get_url(self, relpath=None):
1704
"""Get a URL (or maybe a path) for the readwrite transport.
1706
This will either be backed by '.' or to an equivalent non-file based
1708
relpath provides for clients to get a path relative to the base url.
1709
These should only be downwards relative, not upwards.
1711
base = self.get_server().get_url()
1712
return self._adjust_url(base, relpath)
1714
def get_vfs_only_url(self, relpath=None):
1715
"""Get a URL (or maybe a path for the plain old vfs transport.
1717
This will never be a smart protocol.
1718
:param relpath: provides for clients to get a path relative to the base
1719
url. These should only be downwards relative, not upwards.
1721
base = self.get_vfs_only_server().get_url()
1722
return self._adjust_url(base, relpath)
1724
def _make_test_root(self):
1725
if TestCaseWithMemoryTransport.TEST_ROOT is not None:
1729
root = u'test%04d.tmp' % i
1733
if e.errno == errno.EEXIST:
1738
# successfully created
1739
TestCaseWithMemoryTransport.TEST_ROOT = osutils.abspath(root)
1741
# make a fake bzr directory there to prevent any tests propagating
1742
# up onto the source directory's real branch
1743
bzrdir.BzrDir.create_standalone_workingtree(
1744
TestCaseWithMemoryTransport.TEST_ROOT)
1746
def makeAndChdirToTestDir(self):
1747
"""Create a temporary directories for this one test.
1749
This must set self.test_home_dir and self.test_dir and chdir to
1752
For TestCaseWithMemoryTransport we chdir to the TEST_ROOT for this test.
1754
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
1755
self.test_dir = TestCaseWithMemoryTransport.TEST_ROOT
1756
self.test_home_dir = self.test_dir + "/MemoryTransportMissingHomeDir"
1758
def make_branch(self, relpath, format=None):
1759
"""Create a branch on the transport at relpath."""
1760
repo = self.make_repository(relpath, format=format)
1761
return repo.bzrdir.create_branch()
1763
def make_bzrdir(self, relpath, format=None):
1765
# might be a relative or absolute path
1766
maybe_a_url = self.get_url(relpath)
1767
segments = maybe_a_url.rsplit('/', 1)
1768
t = get_transport(maybe_a_url)
1769
if len(segments) > 1 and segments[-1] not in ('', '.'):
1772
except errors.FileExists:
1776
if isinstance(format, basestring):
1777
format = bzrdir.format_registry.make_bzrdir(format)
1778
return format.initialize_on_transport(t)
1779
except errors.UninitializableFormat:
1780
raise TestSkipped("Format %s is not initializable." % format)
1782
def make_repository(self, relpath, shared=False, format=None):
1783
"""Create a repository on our default transport at relpath."""
1784
made_control = self.make_bzrdir(relpath, format=format)
1785
return made_control.create_repository(shared=shared)
1787
def make_branch_and_memory_tree(self, relpath, format=None):
1788
"""Create a branch on the default transport and a MemoryTree for it."""
1789
b = self.make_branch(relpath, format=format)
1790
return memorytree.MemoryTree.create_on_branch(b)
1792
def overrideEnvironmentForTesting(self):
1793
os.environ['HOME'] = self.test_home_dir
1794
os.environ['BZR_HOME'] = self.test_home_dir
1797
super(TestCaseWithMemoryTransport, self).setUp()
1798
self._make_test_root()
1799
_currentdir = os.getcwdu()
1800
def _leaveDirectory():
1801
os.chdir(_currentdir)
1802
self.addCleanup(_leaveDirectory)
1803
self.makeAndChdirToTestDir()
1804
self.overrideEnvironmentForTesting()
1805
self.__readonly_server = None
1806
self.__server = None
1807
self.reduceLockdirTimeout()
1810
class TestCaseInTempDir(TestCaseWithMemoryTransport):
1811
"""Derived class that runs a test within a temporary directory.
1813
This is useful for tests that need to create a branch, etc.
1815
The directory is created in a slightly complex way: for each
1816
Python invocation, a new temporary top-level directory is created.
1817
All test cases create their own directory within that. If the
1818
tests complete successfully, the directory is removed.
1820
InTempDir is an old alias for FunctionalTestCase.
1823
OVERRIDE_PYTHON = 'python'
1824
use_numbered_dirs = False
1826
def check_file_contents(self, filename, expect):
1827
self.log("check contents of file %s" % filename)
1828
contents = file(filename, 'r').read()
1829
if contents != expect:
1830
self.log("expected: %r" % expect)
1831
self.log("actually: %r" % contents)
1832
self.fail("contents of %s not as expected" % filename)
1834
def makeAndChdirToTestDir(self):
1835
"""See TestCaseWithMemoryTransport.makeAndChdirToTestDir().
1837
For TestCaseInTempDir we create a temporary directory based on the test
1838
name and then create two subdirs - test and home under it.
1840
if self.use_numbered_dirs: # strongly recommended on Windows
1841
# due the path length limitation (260 ch.)
1842
candidate_dir = '%s/%dK/%05d' % (self.TEST_ROOT,
1843
int(self.number/1000),
1845
os.makedirs(candidate_dir)
1846
self.test_home_dir = candidate_dir + '/home'
1847
os.mkdir(self.test_home_dir)
1848
self.test_dir = candidate_dir + '/work'
1849
os.mkdir(self.test_dir)
1850
os.chdir(self.test_dir)
1851
# put name of test inside
1852
f = file(candidate_dir + '/name', 'w')
1857
# shorten the name, to avoid test failures due to path length
1858
short_id = self.id().replace('bzrlib.tests.', '') \
1859
.replace('__main__.', '')[-100:]
1860
# it's possible the same test class is run several times for
1861
# parameterized tests, so make sure the names don't collide.
1865
candidate_dir = '%s/%s.%d' % (self.TEST_ROOT, short_id, i)
1867
candidate_dir = '%s/%s' % (self.TEST_ROOT, short_id)
1868
if os.path.exists(candidate_dir):
1872
os.mkdir(candidate_dir)
1873
self.test_home_dir = candidate_dir + '/home'
1874
os.mkdir(self.test_home_dir)
1875
self.test_dir = candidate_dir + '/work'
1876
os.mkdir(self.test_dir)
1877
os.chdir(self.test_dir)
1880
def build_tree(self, shape, line_endings='binary', transport=None):
1881
"""Build a test tree according to a pattern.
1883
shape is a sequence of file specifications. If the final
1884
character is '/', a directory is created.
1886
This assumes that all the elements in the tree being built are new.
1888
This doesn't add anything to a branch.
1889
:param line_endings: Either 'binary' or 'native'
1890
in binary mode, exact contents are written
1891
in native mode, the line endings match the
1892
default platform endings.
1894
:param transport: A transport to write to, for building trees on
1895
VFS's. If the transport is readonly or None,
1896
"." is opened automatically.
1898
# It's OK to just create them using forward slashes on windows.
1899
if transport is None or transport.is_readonly():
1900
transport = get_transport(".")
1902
self.assert_(isinstance(name, basestring))
1904
transport.mkdir(urlutils.escape(name[:-1]))
1906
if line_endings == 'binary':
1908
elif line_endings == 'native':
1911
raise errors.BzrError(
1912
'Invalid line ending request %r' % line_endings)
1913
content = "contents of %s%s" % (name.encode('utf-8'), end)
1914
transport.put_bytes_non_atomic(urlutils.escape(name), content)
1916
def build_tree_contents(self, shape):
1917
build_tree_contents(shape)
1919
def assertFileEqual(self, content, path):
1920
"""Fail if path does not contain 'content'."""
1921
self.failUnlessExists(path)
1922
# TODO: jam 20060427 Shouldn't this be 'rb'?
1928
self.assertEqualDiff(content, s)
1930
def failUnlessExists(self, path):
1931
"""Fail unless path, which may be abs or relative, exists."""
1932
self.failUnless(osutils.lexists(path),path+" does not exist")
1934
def failIfExists(self, path):
1935
"""Fail if path, which may be abs or relative, exists."""
1936
self.failIf(osutils.lexists(path),path+" exists")
1939
class TestCaseWithTransport(TestCaseInTempDir):
1940
"""A test case that provides get_url and get_readonly_url facilities.
1942
These back onto two transport servers, one for readonly access and one for
1945
If no explicit class is provided for readonly access, a
1946
ReadonlyTransportDecorator is used instead which allows the use of non disk
1947
based read write transports.
1949
If an explicit class is provided for readonly access, that server and the
1950
readwrite one must both define get_url() as resolving to os.getcwd().
1953
def get_vfs_only_server(self):
1954
"""See TestCaseWithMemoryTransport.
1956
This is useful for some tests with specific servers that need
1959
if self.__vfs_server is None:
1960
self.__vfs_server = self.vfs_transport_factory()
1961
self.__vfs_server.setUp()
1962
self.addCleanup(self.__vfs_server.tearDown)
1963
return self.__vfs_server
1965
def make_branch_and_tree(self, relpath, format=None):
1966
"""Create a branch on the transport and a tree locally.
1968
If the transport is not a LocalTransport, the Tree can't be created on
1969
the transport. In that case if the vfs_transport_factory is
1970
LocalURLServer the working tree is created in the local
1971
directory backing the transport, and the returned tree's branch and
1972
repository will also be accessed locally. Otherwise a lightweight
1973
checkout is created and returned.
1975
:param format: The BzrDirFormat.
1976
:returns: the WorkingTree.
1978
# TODO: always use the local disk path for the working tree,
1979
# this obviously requires a format that supports branch references
1980
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
1982
b = self.make_branch(relpath, format=format)
1984
return b.bzrdir.create_workingtree()
1985
except errors.NotLocalUrl:
1986
# We can only make working trees locally at the moment. If the
1987
# transport can't support them, then we keep the non-disk-backed
1988
# branch and create a local checkout.
1989
if self.vfs_transport_factory is LocalURLServer:
1990
# the branch is colocated on disk, we cannot create a checkout.
1991
# hopefully callers will expect this.
1992
local_controldir= bzrdir.BzrDir.open(self.get_vfs_only_url(relpath))
1993
return local_controldir.create_workingtree()
1995
return b.create_checkout(relpath, lightweight=True)
1997
def assertIsDirectory(self, relpath, transport):
1998
"""Assert that relpath within transport is a directory.
2000
This may not be possible on all transports; in that case it propagates
2001
a TransportNotPossible.
2004
mode = transport.stat(relpath).st_mode
2005
except errors.NoSuchFile:
2006
self.fail("path %s is not a directory; no such file"
2008
if not stat.S_ISDIR(mode):
2009
self.fail("path %s is not a directory; has mode %#o"
2012
def assertTreesEqual(self, left, right):
2013
"""Check that left and right have the same content and properties."""
2014
# we use a tree delta to check for equality of the content, and we
2015
# manually check for equality of other things such as the parents list.
2016
self.assertEqual(left.get_parent_ids(), right.get_parent_ids())
2017
differences = left.changes_from(right)
2018
self.assertFalse(differences.has_changed(),
2019
"Trees %r and %r are different: %r" % (left, right, differences))
2022
super(TestCaseWithTransport, self).setUp()
2023
self.__vfs_server = None
2026
class ChrootedTestCase(TestCaseWithTransport):
2027
"""A support class that provides readonly urls outside the local namespace.
2029
This is done by checking if self.transport_server is a MemoryServer. if it
2030
is then we are chrooted already, if it is not then an HttpServer is used
2033
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
2034
be used without needed to redo it when a different
2035
subclass is in use ?
2039
super(ChrootedTestCase, self).setUp()
2040
if not self.vfs_transport_factory == MemoryServer:
2041
self.transport_readonly_server = HttpServer
2044
def filter_suite_by_re(suite, pattern):
2045
result = TestUtil.TestSuite()
2046
filter_re = re.compile(pattern)
2047
for test in iter_suite_tests(suite):
2048
if filter_re.search(test.id()):
2049
result.addTest(test)
2053
def sort_suite_by_re(suite, pattern):
2056
filter_re = re.compile(pattern)
2057
for test in iter_suite_tests(suite):
2058
if filter_re.search(test.id()):
2062
return TestUtil.TestSuite(first + second)
2065
def run_suite(suite, name='test', verbose=False, pattern=".*",
2066
stop_on_failure=False, keep_output=False,
2067
transport=None, lsprof_timed=None, bench_history=None,
2068
matching_tests_first=None,
2069
numbered_dirs=None):
2070
use_numbered_dirs = bool(numbered_dirs)
2072
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
2073
if numbered_dirs is not None:
2074
TestCaseInTempDir.use_numbered_dirs = use_numbered_dirs
2079
runner = TextTestRunner(stream=sys.stdout,
2081
verbosity=verbosity,
2082
keep_output=keep_output,
2083
bench_history=bench_history,
2084
use_numbered_dirs=use_numbered_dirs,
2086
runner.stop_on_failure=stop_on_failure
2088
if matching_tests_first:
2089
suite = sort_suite_by_re(suite, pattern)
2091
suite = filter_suite_by_re(suite, pattern)
2092
result = runner.run(suite)
2093
return result.wasSuccessful()
2096
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
2099
test_suite_factory=None,
2102
matching_tests_first=None,
2103
numbered_dirs=None):
2104
"""Run the whole test suite under the enhanced runner"""
2105
# XXX: Very ugly way to do this...
2106
# Disable warning about old formats because we don't want it to disturb
2107
# any blackbox tests.
2108
from bzrlib import repository
2109
repository._deprecation_warning_done = True
2111
global default_transport
2112
if transport is None:
2113
transport = default_transport
2114
old_transport = default_transport
2115
default_transport = transport
2117
if test_suite_factory is None:
2118
suite = test_suite()
2120
suite = test_suite_factory()
2121
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
2122
stop_on_failure=stop_on_failure, keep_output=keep_output,
2123
transport=transport,
2124
lsprof_timed=lsprof_timed,
2125
bench_history=bench_history,
2126
matching_tests_first=matching_tests_first,
2127
numbered_dirs=numbered_dirs)
2129
default_transport = old_transport
2133
"""Build and return TestSuite for the whole of bzrlib.
2135
This function can be replaced if you need to change the default test
2136
suite on a global basis, but it is not encouraged.
2139
'bzrlib.tests.test_ancestry',
2140
'bzrlib.tests.test_annotate',
2141
'bzrlib.tests.test_api',
2142
'bzrlib.tests.test_atomicfile',
2143
'bzrlib.tests.test_bad_files',
2144
'bzrlib.tests.test_branch',
2145
'bzrlib.tests.test_bundle',
2146
'bzrlib.tests.test_bzrdir',
2147
'bzrlib.tests.test_cache_utf8',
2148
'bzrlib.tests.test_commands',
2149
'bzrlib.tests.test_commit',
2150
'bzrlib.tests.test_commit_merge',
2151
'bzrlib.tests.test_config',
2152
'bzrlib.tests.test_conflicts',
2153
'bzrlib.tests.test_decorators',
2154
'bzrlib.tests.test_delta',
2155
'bzrlib.tests.test_diff',
2156
'bzrlib.tests.test_dirstate',
2157
'bzrlib.tests.test_doc_generate',
2158
'bzrlib.tests.test_errors',
2159
'bzrlib.tests.test_escaped_store',
2160
'bzrlib.tests.test_extract',
2161
'bzrlib.tests.test_fetch',
2162
'bzrlib.tests.test_ftp_transport',
2163
'bzrlib.tests.test_generate_docs',
2164
'bzrlib.tests.test_generate_ids',
2165
'bzrlib.tests.test_globbing',
2166
'bzrlib.tests.test_gpg',
2167
'bzrlib.tests.test_graph',
2168
'bzrlib.tests.test_hashcache',
2169
'bzrlib.tests.test_http',
2170
'bzrlib.tests.test_http_response',
2171
'bzrlib.tests.test_https_ca_bundle',
2172
'bzrlib.tests.test_identitymap',
2173
'bzrlib.tests.test_ignores',
2174
'bzrlib.tests.test_inv',
2175
'bzrlib.tests.test_knit',
2176
'bzrlib.tests.test_lazy_import',
2177
'bzrlib.tests.test_lazy_regex',
2178
'bzrlib.tests.test_lockdir',
2179
'bzrlib.tests.test_lockable_files',
2180
'bzrlib.tests.test_log',
2181
'bzrlib.tests.test_memorytree',
2182
'bzrlib.tests.test_merge',
2183
'bzrlib.tests.test_merge3',
2184
'bzrlib.tests.test_merge_core',
2185
'bzrlib.tests.test_merge_directive',
2186
'bzrlib.tests.test_missing',
2187
'bzrlib.tests.test_msgeditor',
2188
'bzrlib.tests.test_nonascii',
2189
'bzrlib.tests.test_options',
2190
'bzrlib.tests.test_osutils',
2191
'bzrlib.tests.test_osutils_encodings',
2192
'bzrlib.tests.test_patch',
2193
'bzrlib.tests.test_patches',
2194
'bzrlib.tests.test_permissions',
2195
'bzrlib.tests.test_plugins',
2196
'bzrlib.tests.test_progress',
2197
'bzrlib.tests.test_reconcile',
2198
'bzrlib.tests.test_registry',
2199
'bzrlib.tests.test_repository',
2200
'bzrlib.tests.test_revert',
2201
'bzrlib.tests.test_revision',
2202
'bzrlib.tests.test_revisionnamespaces',
2203
'bzrlib.tests.test_revisiontree',
2204
'bzrlib.tests.test_rio',
2205
'bzrlib.tests.test_sampler',
2206
'bzrlib.tests.test_selftest',
2207
'bzrlib.tests.test_setup',
2208
'bzrlib.tests.test_sftp_transport',
2209
'bzrlib.tests.test_smart_add',
2210
'bzrlib.tests.test_smart_transport',
2211
'bzrlib.tests.test_source',
2212
'bzrlib.tests.test_ssh_transport',
2213
'bzrlib.tests.test_status',
2214
'bzrlib.tests.test_store',
2215
'bzrlib.tests.test_strace',
2216
'bzrlib.tests.test_subsume',
2217
'bzrlib.tests.test_symbol_versioning',
2218
'bzrlib.tests.test_tag',
2219
'bzrlib.tests.test_testament',
2220
'bzrlib.tests.test_textfile',
2221
'bzrlib.tests.test_textmerge',
2222
'bzrlib.tests.test_timestamp',
2223
'bzrlib.tests.test_trace',
2224
'bzrlib.tests.test_transactions',
2225
'bzrlib.tests.test_transform',
2226
'bzrlib.tests.test_transport',
2227
'bzrlib.tests.test_tree',
2228
'bzrlib.tests.test_treebuilder',
2229
'bzrlib.tests.test_tsort',
2230
'bzrlib.tests.test_tuned_gzip',
2231
'bzrlib.tests.test_ui',
2232
'bzrlib.tests.test_upgrade',
2233
'bzrlib.tests.test_urlutils',
2234
'bzrlib.tests.test_versionedfile',
2235
'bzrlib.tests.test_version',
2236
'bzrlib.tests.test_version_info',
2237
'bzrlib.tests.test_weave',
2238
'bzrlib.tests.test_whitebox',
2239
'bzrlib.tests.test_workingtree',
2240
'bzrlib.tests.test_workingtree_4',
2241
'bzrlib.tests.test_wsgi',
2242
'bzrlib.tests.test_xml',
2244
test_transport_implementations = [
2245
'bzrlib.tests.test_transport_implementations',
2246
'bzrlib.tests.test_read_bundle',
2248
suite = TestUtil.TestSuite()
2249
loader = TestUtil.TestLoader()
2250
suite.addTest(loader.loadTestsFromModuleNames(testmod_names))
2251
from bzrlib.transport import TransportTestProviderAdapter
2252
adapter = TransportTestProviderAdapter()
2253
adapt_modules(test_transport_implementations, adapter, loader, suite)
2254
for package in packages_to_test():
2255
suite.addTest(package.test_suite())
2256
for m in MODULES_TO_TEST:
2257
suite.addTest(loader.loadTestsFromModule(m))
2258
for m in MODULES_TO_DOCTEST:
2260
suite.addTest(doctest.DocTestSuite(m))
2261
except ValueError, e:
2262
print '**failed to get doctest for: %s\n%s' %(m,e)
2264
for name, plugin in bzrlib.plugin.all_plugins().items():
2265
if getattr(plugin, 'test_suite', None) is not None:
2266
default_encoding = sys.getdefaultencoding()
2268
plugin_suite = plugin.test_suite()
2269
except ImportError, e:
2270
bzrlib.trace.warning(
2271
'Unable to test plugin "%s": %s', name, e)
2273
suite.addTest(plugin_suite)
2274
if default_encoding != sys.getdefaultencoding():
2275
bzrlib.trace.warning(
2276
'Plugin "%s" tried to reset default encoding to: %s', name,
2277
sys.getdefaultencoding())
2279
sys.setdefaultencoding(default_encoding)
2283
def adapt_modules(mods_list, adapter, loader, suite):
2284
"""Adapt the modules in mods_list using adapter and add to suite."""
2285
for test in iter_suite_tests(loader.loadTestsFromModuleNames(mods_list)):
2286
suite.addTests(adapter.adapt(test))
2289
def _rmtree_temp_dir(dirname):
2291
osutils.rmtree(dirname)
2293
if sys.platform == 'win32' and e.errno == errno.EACCES:
2294
print >>sys.stderr, ('Permission denied: '
2295
'unable to remove testing dir '
2296
'%s' % os.path.basename(test_root))
2301
def clean_selftest_output(root=None, quiet=False):
2302
"""Remove all selftest output directories from root directory.
2304
:param root: root directory for clean
2305
(if ommitted or None then clean current directory).
2306
:param quiet: suppress report about deleting directories
46
for m in (bzrlib.store, bzrlib.inventory, bzrlib.branch,
47
bzrlib.osutils, bzrlib.commands, bzrlib.merge3):
48
if m not in MODULES_TO_DOCTEST:
49
MODULES_TO_DOCTEST.append(m)
51
for m in (bzrlib.selftest.whitebox,
52
bzrlib.selftest.versioning,
53
bzrlib.selftest.testinv,
54
bzrlib.selftest.testmerge3,
55
bzrlib.selftest.testhashcache,
56
bzrlib.selftest.teststatus,
57
bzrlib.selftest.blackbox,
58
bzrlib.selftest.testhashcache,
59
bzrlib.selftest.testrevisionnamespaces,
60
bzrlib.selftest.testbranch,
62
if m not in MODULES_TO_TEST:
63
MODULES_TO_TEST.append(m)
66
TestBase.BZRPATH = os.path.join(os.path.realpath(os.path.dirname(bzrlib.__path__[0])), 'bzr')
67
print '%-30s %s' % ('bzr binary', TestBase.BZRPATH)
73
# should also test bzrlib.merge_core, but they seem to be out of date with
77
# XXX: python2.3's TestLoader() doesn't seem to find all the
78
# tests; don't know why
79
for m in MODULES_TO_TEST:
80
suite.addTest(TestLoader().loadTestsFromModule(m))
82
for m in (MODULES_TO_DOCTEST):
83
suite.addTest(DocTestSuite(m))
85
for p in bzrlib.plugin.all_plugins:
86
if hasattr(p, 'test_suite'):
87
suite.addTest(p.test_suite())
89
suite.addTest(unittest.makeSuite(bzrlib.merge_core.MergeTest, 'test_'))
91
return run_suite(suite, 'testbzr')
2311
re_dir = re.compile(r'''test\d\d\d\d\.tmp''')
2314
for i in os.listdir(root):
2315
if os.path.isdir(i) and re_dir.match(i):
2317
print 'delete directory:', i
2321
class Feature(object):
2322
"""An operating system Feature."""
2325
self._available = None
2327
def available(self):
2328
"""Is the feature available?
2330
:return: True if the feature is available.
2332
if self._available is None:
2333
self._available = self._probe()
2334
return self._available
2337
"""Implement this method in concrete features.
2339
:return: True if the feature is available.
2341
raise NotImplementedError
2344
if getattr(self, 'feature_name', None):
2345
return self.feature_name()
2346
return self.__class__.__name__
added
removed
bzrlib/tests/__init__.py
