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# Copyright (C) 2005 by Canonical Ltd
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# Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 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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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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for m in (bzrlib.store, bzrlib.inventory, bzrlib.branch,
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bzrlib.osutils, bzrlib.commands, bzrlib.merge3):
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if m not in MODULES_TO_DOCTEST:
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MODULES_TO_DOCTEST.append(m)
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for m in (bzrlib.selftest.whitebox,
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bzrlib.selftest.versioning,
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bzrlib.selftest.testinv,
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bzrlib.selftest.testmerge3,
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bzrlib.selftest.testhashcache,
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bzrlib.selftest.teststatus,
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bzrlib.selftest.blackbox,
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bzrlib.selftest.testhashcache,
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bzrlib.selftest.testrevisionnamespaces,
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bzrlib.selftest.testbranch,
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# TODO: Perhaps there should be an API to find out if bzr running under the
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# test suite -- some plugins might want to avoid making intrusive changes if
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# this is the case. However, we want behaviour under to test to diverge as
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# little as possible, so this should be used rarely if it's added at all.
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# (Suggestion from j-a-meinel, 2005-11-24)
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# NOTE: Some classes in here use camelCaseNaming() rather than
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# underscore_naming(). That's for consistency with unittest; it's not the
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# general style of bzrlib. Please continue that consistency when adding e.g.
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# new assertFoo() methods.
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from cStringIO import StringIO
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from pprint import pformat
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from subprocess import Popen, PIPE, STDOUT
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# nb: check this before importing anything else from within it
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_testtools_version = getattr(testtools, '__version__', ())
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if _testtools_version < (0, 9, 2):
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raise ImportError("need at least testtools 0.9.2: %s is %r"
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% (testtools.__file__, _testtools_version))
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from testtools import content
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import bzrlib.commands
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import bzrlib.timestamp
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import bzrlib.inventory
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import bzrlib.iterablefile
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# lsprof not available
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from bzrlib.merge import merge_inner
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from bzrlib.smart import client, request, server
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from bzrlib import symbol_versioning
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from bzrlib.symbol_versioning import (
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from bzrlib.transport import get_transport, pathfilter
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import bzrlib.transport
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from bzrlib.transport.local import LocalURLServer
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from bzrlib.transport.memory import MemoryServer
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from bzrlib.transport.readonly import ReadonlyServer
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from bzrlib.trace import mutter, note
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from bzrlib.tests import TestUtil
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from bzrlib.tests.http_server import HttpServer
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from bzrlib.tests.TestUtil import (
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from bzrlib.tests.treeshape import build_tree_contents
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from bzrlib.ui import NullProgressView
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from bzrlib.ui.text import TextUIFactory
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import bzrlib.version_info_formats.format_custom
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from bzrlib.workingtree import WorkingTree, WorkingTreeFormat2
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# Mark this python module as being part of the implementation
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# of unittest: this gives us better tracebacks where the last
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# shown frame is the test code, not our assertXYZ.
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default_transport = LocalURLServer
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_unitialized_attr = object()
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"""A sentinel needed to act as a default value in a method signature."""
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# Subunit result codes, defined here to prevent a hard dependency on subunit.
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class ExtendedTestResult(unittest._TextTestResult):
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"""Accepts, reports and accumulates the results of running tests.
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Compared to the unittest version this class adds support for
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profiling, benchmarking, stopping as soon as a test fails, and
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skipping tests. There are further-specialized subclasses for
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different types of display.
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When a test finishes, in whatever way, it calls one of the addSuccess,
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addFailure or addError classes. These in turn may redirect to a more
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specific case for the special test results supported by our extended
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Note that just one of these objects is fed the results from many tests.
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def __init__(self, stream, descriptions, verbosity,
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"""Construct new TestResult.
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:param bench_history: Optionally, a writable file object to accumulate
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unittest._TextTestResult.__init__(self, stream, descriptions, verbosity)
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if bench_history is not None:
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from bzrlib.version import _get_bzr_source_tree
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src_tree = _get_bzr_source_tree()
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revision_id = src_tree.get_parent_ids()[0]
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# XXX: if this is a brand new tree, do the same as if there
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# XXX: If there's no branch, what should we do?
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bench_history.write("--date %s %s\n" % (time.time(), revision_id))
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self._bench_history = bench_history
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self.ui = ui.ui_factory
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self.failure_count = 0
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self.known_failure_count = 0
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self.not_applicable_count = 0
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self.unsupported = {}
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self._overall_start_time = time.time()
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self._strict = strict
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def stopTestRun(self):
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stopTime = time.time()
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timeTaken = stopTime - self.startTime
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self.stream.writeln(self.separator2)
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self.stream.writeln("%s %d test%s in %.3fs" % (actionTaken,
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run, run != 1 and "s" or "", timeTaken))
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self.stream.writeln()
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if not self.wasSuccessful():
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self.stream.write("FAILED (")
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failed, errored = map(len, (self.failures, self.errors))
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self.stream.write("failures=%d" % failed)
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if failed: self.stream.write(", ")
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self.stream.write("errors=%d" % errored)
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if self.known_failure_count:
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if failed or errored: self.stream.write(", ")
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self.stream.write("known_failure_count=%d" %
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self.known_failure_count)
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self.stream.writeln(")")
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if self.known_failure_count:
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self.stream.writeln("OK (known_failures=%d)" %
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self.known_failure_count)
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self.stream.writeln("OK")
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if self.skip_count > 0:
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skipped = self.skip_count
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self.stream.writeln('%d test%s skipped' %
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(skipped, skipped != 1 and "s" or ""))
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for feature, count in sorted(self.unsupported.items()):
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self.stream.writeln("Missing feature '%s' skipped %d tests." %
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ok = self.wasStrictlySuccessful()
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ok = self.wasSuccessful()
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if TestCase._first_thread_leaker_id:
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'%s is leaking threads among %d leaking tests.\n' % (
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TestCase._first_thread_leaker_id,
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TestCase._leaking_threads_tests))
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# We don't report the main thread as an active one.
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'%d non-main threads were left active in the end.\n'
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% (TestCase._active_threads - 1))
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def getDescription(self, test):
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def _extractBenchmarkTime(self, testCase, details=None):
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"""Add a benchmark time for the current test case."""
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if details and 'benchtime' in details:
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return float(''.join(details['benchtime'].iter_bytes()))
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return getattr(testCase, "_benchtime", None)
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def _elapsedTestTimeString(self):
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"""Return a time string for the overall time the current test has taken."""
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return self._formatTime(time.time() - self._start_time)
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def _testTimeString(self, testCase):
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benchmark_time = self._extractBenchmarkTime(testCase)
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if benchmark_time is not None:
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return self._formatTime(benchmark_time) + "*"
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return self._elapsedTestTimeString()
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def _formatTime(self, seconds):
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"""Format seconds as milliseconds with leading spaces."""
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# some benchmarks can take thousands of seconds to run, so we need 8
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return "%8dms" % (1000 * seconds)
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def _shortened_test_description(self, test):
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what = re.sub(r'^bzrlib\.(tests|benchmarks)\.', '', what)
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def startTest(self, test):
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unittest.TestResult.startTest(self, test)
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self.report_test_start(test)
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test.number = self.count
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self._recordTestStartTime()
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def startTests(self):
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if getattr(sys, 'frozen', None) is None:
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bzr_path = osutils.realpath(sys.argv[0])
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bzr_path = sys.executable
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'bzr selftest: %s\n' % (bzr_path,))
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bzrlib.__path__[0],))
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' bzr-%s python-%s %s\n' % (
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bzrlib.version_string,
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bzrlib._format_version_tuple(sys.version_info),
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platform.platform(aliased=1),
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self.stream.write('\n')
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def _recordTestStartTime(self):
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"""Record that a test has started."""
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self._start_time = time.time()
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def _cleanupLogFile(self, test):
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# We can only do this if we have one of our TestCases, not if
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setKeepLogfile = getattr(test, 'setKeepLogfile', None)
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if setKeepLogfile is not None:
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def addError(self, test, err):
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"""Tell result that test finished with an error.
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Called from the TestCase run() method when the test
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fails with an unexpected error.
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unittest.TestResult.addError(self, test, err)
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self.error_count += 1
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self.report_error(test, err)
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self._cleanupLogFile(test)
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def addFailure(self, test, err):
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"""Tell result that test failed.
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Called from the TestCase run() method when the test
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fails because e.g. an assert() method failed.
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unittest.TestResult.addFailure(self, test, err)
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self.failure_count += 1
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self.report_failure(test, err)
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self._cleanupLogFile(test)
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def addSuccess(self, test, details=None):
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"""Tell result that test completed successfully.
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Called from the TestCase run()
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if self._bench_history is not None:
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benchmark_time = self._extractBenchmarkTime(test, details)
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if benchmark_time is not None:
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self._bench_history.write("%s %s\n" % (
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self._formatTime(benchmark_time),
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self.report_success(test)
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self._cleanupLogFile(test)
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unittest.TestResult.addSuccess(self, test)
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test._log_contents = ''
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def addExpectedFailure(self, test, err):
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self.known_failure_count += 1
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self.report_known_failure(test, err)
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def addNotSupported(self, test, feature):
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"""The test will not be run because of a missing feature.
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# this can be called in two different ways: it may be that the
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# test started running, and then raised (through requireFeature)
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# UnavailableFeature. Alternatively this method can be called
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# while probing for features before running the test code proper; in
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# that case we will see startTest and stopTest, but the test will
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# never actually run.
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self.unsupported.setdefault(str(feature), 0)
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self.unsupported[str(feature)] += 1
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self.report_unsupported(test, feature)
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def addSkip(self, test, reason):
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"""A test has not run for 'reason'."""
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self.report_skip(test, reason)
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def addNotApplicable(self, test, reason):
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self.not_applicable_count += 1
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self.report_not_applicable(test, reason)
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def _post_mortem(self):
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"""Start a PDB post mortem session."""
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if os.environ.get('BZR_TEST_PDB', None):
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import pdb;pdb.post_mortem()
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def progress(self, offset, whence):
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"""The test is adjusting the count of tests to run."""
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if whence == SUBUNIT_SEEK_SET:
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self.num_tests = offset
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elif whence == SUBUNIT_SEEK_CUR:
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self.num_tests += offset
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raise errors.BzrError("Unknown whence %r" % whence)
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def report_cleaning_up(self):
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def startTestRun(self):
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self.startTime = time.time()
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def report_success(self, test):
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def wasStrictlySuccessful(self):
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if self.unsupported or self.known_failure_count:
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return self.wasSuccessful()
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class TextTestResult(ExtendedTestResult):
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"""Displays progress and results of tests in text form"""
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def __init__(self, stream, descriptions, verbosity,
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ExtendedTestResult.__init__(self, stream, descriptions, verbosity,
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bench_history, strict)
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# We no longer pass them around, but just rely on the UIFactory stack
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warnings.warn("Passing pb to TextTestResult is deprecated")
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self.pb = self.ui.nested_progress_bar()
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self.pb.show_pct = False
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self.pb.show_spinner = False
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self.pb.show_eta = False,
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self.pb.show_count = False
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self.pb.show_bar = False
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self.pb.update_latency = 0
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self.pb.show_transport_activity = False
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def stopTestRun(self):
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# called when the tests that are going to run have run
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super(TextTestResult, self).stopTestRun()
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def startTestRun(self):
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super(TextTestResult, self).startTestRun()
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self.pb.update('[test 0/%d] Starting' % (self.num_tests))
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def printErrors(self):
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# clear the pb to make room for the error listing
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super(TextTestResult, self).printErrors()
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def _progress_prefix_text(self):
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# the longer this text, the less space we have to show the test
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a = '[%d' % self.count # total that have been run
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# tests skipped as known not to be relevant are not important enough
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## if self.skip_count:
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## a += ', %d skip' % self.skip_count
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## if self.known_failure_count:
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## a += '+%dX' % self.known_failure_count
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a +='/%d' % self.num_tests
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runtime = time.time() - self._overall_start_time
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a += '%dm%ds' % (runtime / 60, runtime % 60)
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total_fail_count = self.error_count + self.failure_count
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a += ', %d failed' % total_fail_count
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# if self.unsupported:
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# a += ', %d missing' % len(self.unsupported)
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def report_test_start(self, test):
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self._progress_prefix_text()
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+ self._shortened_test_description(test))
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def _test_description(self, test):
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return self._shortened_test_description(test)
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def report_error(self, test, err):
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ui.ui_factory.note('ERROR: %s\n %s\n' % (
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self._test_description(test),
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def report_failure(self, test, err):
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ui.ui_factory.note('FAIL: %s\n %s\n' % (
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self._test_description(test),
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def report_known_failure(self, test, err):
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def report_skip(self, test, reason):
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def report_not_applicable(self, test, reason):
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def report_unsupported(self, test, feature):
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"""test cannot be run because feature is missing."""
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def report_cleaning_up(self):
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self.pb.update('Cleaning up')
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class VerboseTestResult(ExtendedTestResult):
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"""Produce long output, with one line per test run plus times"""
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def _ellipsize_to_right(self, a_string, final_width):
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"""Truncate and pad a string, keeping the right hand side"""
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if len(a_string) > final_width:
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result = '...' + a_string[3-final_width:]
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return result.ljust(final_width)
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def startTestRun(self):
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super(VerboseTestResult, self).startTestRun()
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self.stream.write('running %d tests...\n' % self.num_tests)
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def report_test_start(self, test):
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name = self._shortened_test_description(test)
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width = osutils.terminal_width()
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if width is not None:
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# width needs space for 6 char status, plus 1 for slash, plus an
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# 11-char time string, plus a trailing blank
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# when NUMBERED_DIRS: plus 5 chars on test number, plus 1 char on
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self.stream.write(self._ellipsize_to_right(name, width-18))
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self.stream.write(name)
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def _error_summary(self, err):
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return '%s%s' % (indent, err[1])
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def report_error(self, test, err):
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self.stream.writeln('ERROR %s\n%s'
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% (self._testTimeString(test),
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self._error_summary(err)))
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def report_failure(self, test, err):
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self.stream.writeln(' FAIL %s\n%s'
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% (self._testTimeString(test),
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self._error_summary(err)))
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def report_known_failure(self, test, err):
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self.stream.writeln('XFAIL %s\n%s'
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% (self._testTimeString(test),
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self._error_summary(err)))
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def report_success(self, test):
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self.stream.writeln(' OK %s' % self._testTimeString(test))
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for bench_called, stats in getattr(test, '_benchcalls', []):
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self.stream.writeln('LSProf output for %s(%s, %s)' % bench_called)
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stats.pprint(file=self.stream)
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# flush the stream so that we get smooth output. This verbose mode is
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# used to show the output in PQM.
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def report_skip(self, test, reason):
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self.stream.writeln(' SKIP %s\n%s'
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% (self._testTimeString(test), reason))
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def report_not_applicable(self, test, reason):
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self.stream.writeln(' N/A %s\n %s'
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% (self._testTimeString(test), reason))
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def report_unsupported(self, test, feature):
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"""test cannot be run because feature is missing."""
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self.stream.writeln("NODEP %s\n The feature '%s' is not available."
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%(self._testTimeString(test), feature))
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class TextTestRunner(object):
587
stop_on_failure = False
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result_decorators=None,
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"""Create a TextTestRunner.
599
:param result_decorators: An optional list of decorators to apply
600
to the result object being used by the runner. Decorators are
601
applied left to right - the first element in the list is the
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# stream may know claim to know to write unicode strings, but in older
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# pythons this goes sufficiently wrong that it is a bad idea. (
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# specifically a built in file with encoding 'UTF-8' will still try
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# to encode using ascii.
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new_encoding = osutils.get_terminal_encoding()
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codec = codecs.lookup(new_encoding)
610
if type(codec) is tuple:
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encode = codec.encode
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stream = osutils.UnicodeOrBytesToBytesWriter(encode, stream)
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stream.encoding = new_encoding
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self.stream = unittest._WritelnDecorator(stream)
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self.descriptions = descriptions
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self.verbosity = verbosity
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self._bench_history = bench_history
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self._strict = strict
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self._result_decorators = result_decorators or []
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"Run the given test case or test suite."
626
if self.verbosity == 1:
627
result_class = TextTestResult
628
elif self.verbosity >= 2:
629
result_class = VerboseTestResult
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original_result = result_class(self.stream,
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bench_history=self._bench_history,
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# Signal to result objects that look at stop early policy to stop,
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original_result.stop_early = self.stop_on_failure
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result = original_result
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for decorator in self._result_decorators:
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result = decorator(result)
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result.stop_early = self.stop_on_failure
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result.startTestRun()
647
# higher level code uses our extended protocol to determine
648
# what exit code to give.
649
return original_result
652
def iter_suite_tests(suite):
653
"""Return all tests in a suite, recursing through nested suites"""
654
if isinstance(suite, unittest.TestCase):
656
elif isinstance(suite, unittest.TestSuite):
658
for r in iter_suite_tests(item):
661
raise Exception('unknown type %r for object %r'
662
% (type(suite), suite))
665
TestSkipped = testtools.testcase.TestSkipped
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class TestNotApplicable(TestSkipped):
669
"""A test is not applicable to the situation where it was run.
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This is only normally raised by parameterized tests, if they find that
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the instance they're constructed upon does not support one aspect
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# traceback._some_str fails to format exceptions that have the default
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# __str__ which does an implicit ascii conversion. However, repr() on those
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# objects works, for all that its not quite what the doctor may have ordered.
680
def _clever_some_str(value):
685
return repr(value).replace('\\n', '\n')
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return '<unprintable %s object>' % type(value).__name__
689
traceback._some_str = _clever_some_str
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# deprecated - use self.knownFailure(), or self.expectFailure.
693
KnownFailure = testtools.testcase._ExpectedFailure
696
class UnavailableFeature(Exception):
697
"""A feature required for this test was not available.
699
This can be considered a specialised form of SkippedTest.
701
The feature should be used to construct the exception.
705
class CommandFailed(Exception):
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class StringIOWrapper(object):
710
"""A wrapper around cStringIO which just adds an encoding attribute.
712
Internally we can check sys.stdout to see what the output encoding
713
should be. However, cStringIO has no encoding attribute that we can
714
set. So we wrap it instead.
719
def __init__(self, s=None):
721
self.__dict__['_cstring'] = StringIO(s)
723
self.__dict__['_cstring'] = StringIO()
725
def __getattr__(self, name, getattr=getattr):
726
return getattr(self.__dict__['_cstring'], name)
728
def __setattr__(self, name, val):
729
if name == 'encoding':
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self.__dict__['encoding'] = val
732
return setattr(self._cstring, name, val)
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class TestUIFactory(TextUIFactory):
736
"""A UI Factory for testing.
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Hide the progress bar but emit note()s.
740
Allows get_password to be tested without real tty attached.
742
See also CannedInputUIFactory which lets you provide programmatic input in
745
# TODO: Capture progress events at the model level and allow them to be
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# observed by tests that care.
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# XXX: Should probably unify more with CannedInputUIFactory or a
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# particular configuration of TextUIFactory, or otherwise have a clearer
750
# idea of how they're supposed to be different.
751
# See https://bugs.edge.launchpad.net/bzr/+bug/408213
753
def __init__(self, stdout=None, stderr=None, stdin=None):
754
if stdin is not None:
755
# We use a StringIOWrapper to be able to test various
756
# encodings, but the user is still responsible to
757
# encode the string and to set the encoding attribute
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# of StringIOWrapper.
759
stdin = StringIOWrapper(stdin)
760
super(TestUIFactory, self).__init__(stdin, stdout, stderr)
762
def get_non_echoed_password(self):
763
"""Get password from stdin without trying to handle the echo mode"""
764
password = self.stdin.readline()
767
if password[-1] == '\n':
768
password = password[:-1]
771
def make_progress_view(self):
772
return NullProgressView()
775
class TestCase(testtools.TestCase):
776
"""Base class for bzr unit tests.
778
Tests that need access to disk resources should subclass
779
TestCaseInTempDir not TestCase.
781
Error and debug log messages are redirected from their usual
782
location into a temporary file, the contents of which can be
783
retrieved by _get_log(). We use a real OS file, not an in-memory object,
784
so that it can also capture file IO. When the test completes this file
785
is read into memory and removed from disk.
787
There are also convenience functions to invoke bzr's command-line
788
routine, and to build and check bzr trees.
790
In addition to the usual method of overriding tearDown(), this class also
791
allows subclasses to register functions into the _cleanups list, which is
792
run in order as the object is torn down. It's less likely this will be
793
accidentally overlooked.
796
_active_threads = None
797
_leaking_threads_tests = 0
798
_first_thread_leaker_id = None
799
_log_file_name = None
800
# record lsprof data when performing benchmark calls.
801
_gather_lsprof_in_benchmarks = False
803
def __init__(self, methodName='testMethod'):
804
super(TestCase, self).__init__(methodName)
806
self._directory_isolation = True
807
self.exception_handlers.insert(0,
808
(UnavailableFeature, self._do_unsupported_or_skip))
809
self.exception_handlers.insert(0,
810
(TestNotApplicable, self._do_not_applicable))
813
super(TestCase, self).setUp()
814
for feature in getattr(self, '_test_needs_features', []):
815
self.requireFeature(feature)
816
self._log_contents = None
817
self.addDetail("log", content.Content(content.ContentType("text",
818
"plain", {"charset": "utf8"}),
819
lambda:[self._get_log(keep_log_file=True)]))
820
self._cleanEnvironment()
823
self._benchcalls = []
824
self._benchtime = None
826
self._track_transports()
828
self._clear_debug_flags()
829
TestCase._active_threads = threading.activeCount()
830
self.addCleanup(self._check_leaked_threads)
835
pdb.Pdb().set_trace(sys._getframe().f_back)
837
def _check_leaked_threads(self):
838
active = threading.activeCount()
839
leaked_threads = active - TestCase._active_threads
840
TestCase._active_threads = active
841
# If some tests make the number of threads *decrease*, we'll consider
842
# that they are just observing old threads dieing, not agressively kill
843
# random threads. So we don't report these tests as leaking. The risk
844
# is that we have false positives that way (the test see 2 threads
845
# going away but leak one) but it seems less likely than the actual
846
# false positives (the test see threads going away and does not leak).
847
if leaked_threads > 0:
848
TestCase._leaking_threads_tests += 1
849
if TestCase._first_thread_leaker_id is None:
850
TestCase._first_thread_leaker_id = self.id()
852
def _clear_debug_flags(self):
853
"""Prevent externally set debug flags affecting tests.
855
Tests that want to use debug flags can just set them in the
856
debug_flags set during setup/teardown.
858
# Start with a copy of the current debug flags we can safely modify.
859
self.overrideAttr(debug, 'debug_flags', set(debug.debug_flags))
860
if 'allow_debug' not in selftest_debug_flags:
861
debug.debug_flags.clear()
862
if 'disable_lock_checks' not in selftest_debug_flags:
863
debug.debug_flags.add('strict_locks')
865
def _clear_hooks(self):
866
# prevent hooks affecting tests
867
self._preserved_hooks = {}
868
for key, factory in hooks.known_hooks.items():
869
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
870
current_hooks = hooks.known_hooks_key_to_object(key)
871
self._preserved_hooks[parent] = (name, current_hooks)
872
self.addCleanup(self._restoreHooks)
873
for key, factory in hooks.known_hooks.items():
874
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
875
setattr(parent, name, factory())
876
# this hook should always be installed
877
request._install_hook()
879
def disable_directory_isolation(self):
880
"""Turn off directory isolation checks."""
881
self._directory_isolation = False
883
def enable_directory_isolation(self):
884
"""Enable directory isolation checks."""
885
self._directory_isolation = True
887
def _silenceUI(self):
888
"""Turn off UI for duration of test"""
889
# by default the UI is off; tests can turn it on if they want it.
890
self.overrideAttr(ui, 'ui_factory', ui.SilentUIFactory())
892
def _check_locks(self):
893
"""Check that all lock take/release actions have been paired."""
894
# We always check for mismatched locks. If a mismatch is found, we
895
# fail unless -Edisable_lock_checks is supplied to selftest, in which
896
# case we just print a warning.
898
acquired_locks = [lock for action, lock in self._lock_actions
899
if action == 'acquired']
900
released_locks = [lock for action, lock in self._lock_actions
901
if action == 'released']
902
broken_locks = [lock for action, lock in self._lock_actions
903
if action == 'broken']
904
# trivially, given the tests for lock acquistion and release, if we
905
# have as many in each list, it should be ok. Some lock tests also
906
# break some locks on purpose and should be taken into account by
907
# considering that breaking a lock is just a dirty way of releasing it.
908
if len(acquired_locks) != (len(released_locks) + len(broken_locks)):
909
message = ('Different number of acquired and '
910
'released or broken locks. (%s, %s + %s)' %
911
(acquired_locks, released_locks, broken_locks))
912
if not self._lock_check_thorough:
913
# Rather than fail, just warn
914
print "Broken test %s: %s" % (self, message)
918
def _track_locks(self):
919
"""Track lock activity during tests."""
920
self._lock_actions = []
921
if 'disable_lock_checks' in selftest_debug_flags:
922
self._lock_check_thorough = False
924
self._lock_check_thorough = True
926
self.addCleanup(self._check_locks)
927
_mod_lock.Lock.hooks.install_named_hook('lock_acquired',
928
self._lock_acquired, None)
929
_mod_lock.Lock.hooks.install_named_hook('lock_released',
930
self._lock_released, None)
931
_mod_lock.Lock.hooks.install_named_hook('lock_broken',
932
self._lock_broken, None)
934
def _lock_acquired(self, result):
935
self._lock_actions.append(('acquired', result))
937
def _lock_released(self, result):
938
self._lock_actions.append(('released', result))
940
def _lock_broken(self, result):
941
self._lock_actions.append(('broken', result))
943
def permit_dir(self, name):
944
"""Permit a directory to be used by this test. See permit_url."""
945
name_transport = get_transport(name)
946
self.permit_url(name)
947
self.permit_url(name_transport.base)
949
def permit_url(self, url):
950
"""Declare that url is an ok url to use in this test.
952
Do this for memory transports, temporary test directory etc.
954
Do not do this for the current working directory, /tmp, or any other
955
preexisting non isolated url.
957
if not url.endswith('/'):
959
self._bzr_selftest_roots.append(url)
961
def permit_source_tree_branch_repo(self):
962
"""Permit the source tree bzr is running from to be opened.
964
Some code such as bzrlib.version attempts to read from the bzr branch
965
that bzr is executing from (if any). This method permits that directory
966
to be used in the test suite.
968
path = self.get_source_path()
969
self.record_directory_isolation()
972
workingtree.WorkingTree.open(path)
973
except (errors.NotBranchError, errors.NoWorkingTree):
976
self.enable_directory_isolation()
978
def _preopen_isolate_transport(self, transport):
979
"""Check that all transport openings are done in the test work area."""
980
while isinstance(transport, pathfilter.PathFilteringTransport):
981
# Unwrap pathfiltered transports
982
transport = transport.server.backing_transport.clone(
983
transport._filter('.'))
985
# ReadonlySmartTCPServer_for_testing decorates the backing transport
986
# urls it is given by prepending readonly+. This is appropriate as the
987
# client shouldn't know that the server is readonly (or not readonly).
988
# We could register all servers twice, with readonly+ prepending, but
989
# that makes for a long list; this is about the same but easier to
991
if url.startswith('readonly+'):
992
url = url[len('readonly+'):]
993
self._preopen_isolate_url(url)
995
def _preopen_isolate_url(self, url):
996
if not self._directory_isolation:
998
if self._directory_isolation == 'record':
999
self._bzr_selftest_roots.append(url)
1001
# This prevents all transports, including e.g. sftp ones backed on disk
1002
# from working unless they are explicitly granted permission. We then
1003
# depend on the code that sets up test transports to check that they are
1004
# appropriately isolated and enable their use by calling
1005
# self.permit_transport()
1006
if not osutils.is_inside_any(self._bzr_selftest_roots, url):
1007
raise errors.BzrError("Attempt to escape test isolation: %r %r"
1008
% (url, self._bzr_selftest_roots))
1010
def record_directory_isolation(self):
1011
"""Gather accessed directories to permit later access.
1013
This is used for tests that access the branch bzr is running from.
1015
self._directory_isolation = "record"
1017
def start_server(self, transport_server, backing_server=None):
1018
"""Start transport_server for this test.
1020
This starts the server, registers a cleanup for it and permits the
1021
server's urls to be used.
1023
if backing_server is None:
1024
transport_server.start_server()
1026
transport_server.start_server(backing_server)
1027
self.addCleanup(transport_server.stop_server)
1028
# Obtain a real transport because if the server supplies a password, it
1029
# will be hidden from the base on the client side.
1030
t = get_transport(transport_server.get_url())
1031
# Some transport servers effectively chroot the backing transport;
1032
# others like SFTPServer don't - users of the transport can walk up the
1033
# transport to read the entire backing transport. This wouldn't matter
1034
# except that the workdir tests are given - and that they expect the
1035
# server's url to point at - is one directory under the safety net. So
1036
# Branch operations into the transport will attempt to walk up one
1037
# directory. Chrooting all servers would avoid this but also mean that
1038
# we wouldn't be testing directly against non-root urls. Alternatively
1039
# getting the test framework to start the server with a backing server
1040
# at the actual safety net directory would work too, but this then
1041
# means that the self.get_url/self.get_transport methods would need
1042
# to transform all their results. On balance its cleaner to handle it
1043
# here, and permit a higher url when we have one of these transports.
1044
if t.base.endswith('/work/'):
1045
# we have safety net/test root/work
1046
t = t.clone('../..')
1047
elif isinstance(transport_server, server.SmartTCPServer_for_testing):
1048
# The smart server adds a path similar to work, which is traversed
1049
# up from by the client. But the server is chrooted - the actual
1050
# backing transport is not escaped from, and VFS requests to the
1051
# root will error (because they try to escape the chroot).
1053
while t2.base != t.base:
1056
self.permit_url(t.base)
1058
def _track_transports(self):
1059
"""Install checks for transport usage."""
1060
# TestCase has no safe place it can write to.
1061
self._bzr_selftest_roots = []
1062
# Currently the easiest way to be sure that nothing is going on is to
1063
# hook into bzr dir opening. This leaves a small window of error for
1064
# transport tests, but they are well known, and we can improve on this
1066
bzrdir.BzrDir.hooks.install_named_hook("pre_open",
1067
self._preopen_isolate_transport, "Check bzr directories are safe.")
1069
def _ndiff_strings(self, a, b):
1070
"""Return ndiff between two strings containing lines.
1072
A trailing newline is added if missing to make the strings
1074
if b and b[-1] != '\n':
1076
if a and a[-1] != '\n':
1078
difflines = difflib.ndiff(a.splitlines(True),
1080
linejunk=lambda x: False,
1081
charjunk=lambda x: False)
1082
return ''.join(difflines)
1084
def assertEqual(self, a, b, message=''):
1088
except UnicodeError, e:
1089
# If we can't compare without getting a UnicodeError, then
1090
# obviously they are different
1091
mutter('UnicodeError: %s', e)
1094
raise AssertionError("%snot equal:\na = %s\nb = %s\n"
1096
pformat(a), pformat(b)))
1098
assertEquals = assertEqual
1100
def assertEqualDiff(self, a, b, message=None):
1101
"""Assert two texts are equal, if not raise an exception.
1103
This is intended for use with multi-line strings where it can
1104
be hard to find the differences by eye.
1106
# TODO: perhaps override assertEquals to call this for strings?
1110
message = "texts not equal:\n"
1112
message = 'first string is missing a final newline.\n'
1114
message = 'second string is missing a final newline.\n'
1115
raise AssertionError(message +
1116
self._ndiff_strings(a, b))
1118
def assertEqualMode(self, mode, mode_test):
1119
self.assertEqual(mode, mode_test,
1120
'mode mismatch %o != %o' % (mode, mode_test))
1122
def assertEqualStat(self, expected, actual):
1123
"""assert that expected and actual are the same stat result.
1125
:param expected: A stat result.
1126
:param actual: A stat result.
1127
:raises AssertionError: If the expected and actual stat values differ
1128
other than by atime.
1130
self.assertEqual(expected.st_size, actual.st_size,
1131
'st_size did not match')
1132
self.assertEqual(expected.st_mtime, actual.st_mtime,
1133
'st_mtime did not match')
1134
self.assertEqual(expected.st_ctime, actual.st_ctime,
1135
'st_ctime did not match')
1136
if sys.platform != 'win32':
1137
# On Win32 both 'dev' and 'ino' cannot be trusted. In python2.4 it
1138
# is 'dev' that varies, in python 2.5 (6?) it is st_ino that is
1139
# odd. Regardless we shouldn't actually try to assert anything
1140
# about their values
1141
self.assertEqual(expected.st_dev, actual.st_dev,
1142
'st_dev did not match')
1143
self.assertEqual(expected.st_ino, actual.st_ino,
1144
'st_ino did not match')
1145
self.assertEqual(expected.st_mode, actual.st_mode,
1146
'st_mode did not match')
1148
def assertLength(self, length, obj_with_len):
1149
"""Assert that obj_with_len is of length length."""
1150
if len(obj_with_len) != length:
1151
self.fail("Incorrect length: wanted %d, got %d for %r" % (
1152
length, len(obj_with_len), obj_with_len))
1154
def assertLogsError(self, exception_class, func, *args, **kwargs):
1155
"""Assert that func(*args, **kwargs) quietly logs a specific exception.
1157
from bzrlib import trace
1159
orig_log_exception_quietly = trace.log_exception_quietly
1162
orig_log_exception_quietly()
1163
captured.append(sys.exc_info())
1164
trace.log_exception_quietly = capture
1165
func(*args, **kwargs)
1167
trace.log_exception_quietly = orig_log_exception_quietly
1168
self.assertLength(1, captured)
1169
err = captured[0][1]
1170
self.assertIsInstance(err, exception_class)
1173
def assertPositive(self, val):
1174
"""Assert that val is greater than 0."""
1175
self.assertTrue(val > 0, 'expected a positive value, but got %s' % val)
1177
def assertNegative(self, val):
1178
"""Assert that val is less than 0."""
1179
self.assertTrue(val < 0, 'expected a negative value, but got %s' % val)
1181
def assertStartsWith(self, s, prefix):
1182
if not s.startswith(prefix):
1183
raise AssertionError('string %r does not start with %r' % (s, prefix))
1185
def assertEndsWith(self, s, suffix):
1186
"""Asserts that s ends with suffix."""
1187
if not s.endswith(suffix):
1188
raise AssertionError('string %r does not end with %r' % (s, suffix))
1190
def assertContainsRe(self, haystack, needle_re, flags=0):
1191
"""Assert that a contains something matching a regular expression."""
1192
if not re.search(needle_re, haystack, flags):
1193
if '\n' in haystack or len(haystack) > 60:
1194
# a long string, format it in a more readable way
1195
raise AssertionError(
1196
'pattern "%s" not found in\n"""\\\n%s"""\n'
1197
% (needle_re, haystack))
1199
raise AssertionError('pattern "%s" not found in "%s"'
1200
% (needle_re, haystack))
1202
def assertNotContainsRe(self, haystack, needle_re, flags=0):
1203
"""Assert that a does not match a regular expression"""
1204
if re.search(needle_re, haystack, flags):
1205
raise AssertionError('pattern "%s" found in "%s"'
1206
% (needle_re, haystack))
1208
def assertSubset(self, sublist, superlist):
1209
"""Assert that every entry in sublist is present in superlist."""
1210
missing = set(sublist) - set(superlist)
1211
if len(missing) > 0:
1212
raise AssertionError("value(s) %r not present in container %r" %
1213
(missing, superlist))
1215
def assertListRaises(self, excClass, func, *args, **kwargs):
1216
"""Fail unless excClass is raised when the iterator from func is used.
1218
Many functions can return generators this makes sure
1219
to wrap them in a list() call to make sure the whole generator
1220
is run, and that the proper exception is raised.
1223
list(func(*args, **kwargs))
1227
if getattr(excClass,'__name__', None) is not None:
1228
excName = excClass.__name__
1230
excName = str(excClass)
1231
raise self.failureException, "%s not raised" % excName
1233
def assertRaises(self, excClass, callableObj, *args, **kwargs):
1234
"""Assert that a callable raises a particular exception.
1236
:param excClass: As for the except statement, this may be either an
1237
exception class, or a tuple of classes.
1238
:param callableObj: A callable, will be passed ``*args`` and
1241
Returns the exception so that you can examine it.
1244
callableObj(*args, **kwargs)
1248
if getattr(excClass,'__name__', None) is not None:
1249
excName = excClass.__name__
1252
excName = str(excClass)
1253
raise self.failureException, "%s not raised" % excName
1255
def assertIs(self, left, right, message=None):
1256
if not (left is right):
1257
if message is not None:
1258
raise AssertionError(message)
1260
raise AssertionError("%r is not %r." % (left, right))
1262
def assertIsNot(self, left, right, message=None):
1264
if message is not None:
1265
raise AssertionError(message)
1267
raise AssertionError("%r is %r." % (left, right))
1269
def assertTransportMode(self, transport, path, mode):
1270
"""Fail if a path does not have mode "mode".
1272
If modes are not supported on this transport, the assertion is ignored.
1274
if not transport._can_roundtrip_unix_modebits():
1276
path_stat = transport.stat(path)
1277
actual_mode = stat.S_IMODE(path_stat.st_mode)
1278
self.assertEqual(mode, actual_mode,
1279
'mode of %r incorrect (%s != %s)'
1280
% (path, oct(mode), oct(actual_mode)))
1282
def assertIsSameRealPath(self, path1, path2):
1283
"""Fail if path1 and path2 points to different files"""
1284
self.assertEqual(osutils.realpath(path1),
1285
osutils.realpath(path2),
1286
"apparent paths:\na = %s\nb = %s\n," % (path1, path2))
1288
def assertIsInstance(self, obj, kls, msg=None):
1289
"""Fail if obj is not an instance of kls
1291
:param msg: Supplementary message to show if the assertion fails.
1293
if not isinstance(obj, kls):
1294
m = "%r is an instance of %s rather than %s" % (
1295
obj, obj.__class__, kls)
1300
def assertFileEqual(self, content, path):
1301
"""Fail if path does not contain 'content'."""
1302
self.failUnlessExists(path)
1303
f = file(path, 'rb')
1308
self.assertEqualDiff(content, s)
1310
def failUnlessExists(self, path):
1311
"""Fail unless path or paths, which may be abs or relative, exist."""
1312
if not isinstance(path, basestring):
1314
self.failUnlessExists(p)
1316
self.failUnless(osutils.lexists(path),path+" does not exist")
1318
def failIfExists(self, path):
1319
"""Fail if path or paths, which may be abs or relative, exist."""
1320
if not isinstance(path, basestring):
1322
self.failIfExists(p)
1324
self.failIf(osutils.lexists(path),path+" exists")
1326
def _capture_deprecation_warnings(self, a_callable, *args, **kwargs):
1327
"""A helper for callDeprecated and applyDeprecated.
1329
:param a_callable: A callable to call.
1330
:param args: The positional arguments for the callable
1331
:param kwargs: The keyword arguments for the callable
1332
:return: A tuple (warnings, result). result is the result of calling
1333
a_callable(``*args``, ``**kwargs``).
1336
def capture_warnings(msg, cls=None, stacklevel=None):
1337
# we've hooked into a deprecation specific callpath,
1338
# only deprecations should getting sent via it.
1339
self.assertEqual(cls, DeprecationWarning)
1340
local_warnings.append(msg)
1341
original_warning_method = symbol_versioning.warn
1342
symbol_versioning.set_warning_method(capture_warnings)
1344
result = a_callable(*args, **kwargs)
1346
symbol_versioning.set_warning_method(original_warning_method)
1347
return (local_warnings, result)
1349
def applyDeprecated(self, deprecation_format, a_callable, *args, **kwargs):
1350
"""Call a deprecated callable without warning the user.
1352
Note that this only captures warnings raised by symbol_versioning.warn,
1353
not other callers that go direct to the warning module.
1355
To test that a deprecated method raises an error, do something like
1358
self.assertRaises(errors.ReservedId,
1359
self.applyDeprecated,
1360
deprecated_in((1, 5, 0)),
1364
:param deprecation_format: The deprecation format that the callable
1365
should have been deprecated with. This is the same type as the
1366
parameter to deprecated_method/deprecated_function. If the
1367
callable is not deprecated with this format, an assertion error
1369
:param a_callable: A callable to call. This may be a bound method or
1370
a regular function. It will be called with ``*args`` and
1372
:param args: The positional arguments for the callable
1373
:param kwargs: The keyword arguments for the callable
1374
:return: The result of a_callable(``*args``, ``**kwargs``)
1376
call_warnings, result = self._capture_deprecation_warnings(a_callable,
1378
expected_first_warning = symbol_versioning.deprecation_string(
1379
a_callable, deprecation_format)
1380
if len(call_warnings) == 0:
1381
self.fail("No deprecation warning generated by call to %s" %
1383
self.assertEqual(expected_first_warning, call_warnings[0])
1386
def callCatchWarnings(self, fn, *args, **kw):
1387
"""Call a callable that raises python warnings.
1389
The caller's responsible for examining the returned warnings.
1391
If the callable raises an exception, the exception is not
1392
caught and propagates up to the caller. In that case, the list
1393
of warnings is not available.
1395
:returns: ([warning_object, ...], fn_result)
1397
# XXX: This is not perfect, because it completely overrides the
1398
# warnings filters, and some code may depend on suppressing particular
1399
# warnings. It's the easiest way to insulate ourselves from -Werror,
1400
# though. -- Andrew, 20071062
1402
def _catcher(message, category, filename, lineno, file=None, line=None):
1403
# despite the name, 'message' is normally(?) a Warning subclass
1405
wlist.append(message)
1406
saved_showwarning = warnings.showwarning
1407
saved_filters = warnings.filters
1409
warnings.showwarning = _catcher
1410
warnings.filters = []
1411
result = fn(*args, **kw)
1413
warnings.showwarning = saved_showwarning
1414
warnings.filters = saved_filters
1415
return wlist, result
1417
def callDeprecated(self, expected, callable, *args, **kwargs):
1418
"""Assert that a callable is deprecated in a particular way.
1420
This is a very precise test for unusual requirements. The
1421
applyDeprecated helper function is probably more suited for most tests
1422
as it allows you to simply specify the deprecation format being used
1423
and will ensure that that is issued for the function being called.
1425
Note that this only captures warnings raised by symbol_versioning.warn,
1426
not other callers that go direct to the warning module. To catch
1427
general warnings, use callCatchWarnings.
1429
:param expected: a list of the deprecation warnings expected, in order
1430
:param callable: The callable to call
1431
:param args: The positional arguments for the callable
1432
:param kwargs: The keyword arguments for the callable
1434
call_warnings, result = self._capture_deprecation_warnings(callable,
1436
self.assertEqual(expected, call_warnings)
1439
def _startLogFile(self):
1440
"""Send bzr and test log messages to a temporary file.
1442
The file is removed as the test is torn down.
1444
fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
1445
self._log_file = os.fdopen(fileno, 'w+')
1446
self._log_memento = bzrlib.trace.push_log_file(self._log_file)
1447
self._log_file_name = name
1448
self.addCleanup(self._finishLogFile)
1450
def _finishLogFile(self):
1451
"""Finished with the log file.
1453
Close the file and delete it, unless setKeepLogfile was called.
1455
if bzrlib.trace._trace_file:
1456
# flush the log file, to get all content
1457
bzrlib.trace._trace_file.flush()
1458
bzrlib.trace.pop_log_file(self._log_memento)
1459
# Cache the log result and delete the file on disk
1460
self._get_log(False)
1462
def thisFailsStrictLockCheck(self):
1463
"""It is known that this test would fail with -Dstrict_locks.
1465
By default, all tests are run with strict lock checking unless
1466
-Edisable_lock_checks is supplied. However there are some tests which
1467
we know fail strict locks at this point that have not been fixed.
1468
They should call this function to disable the strict checking.
1470
This should be used sparingly, it is much better to fix the locking
1471
issues rather than papering over the problem by calling this function.
1473
debug.debug_flags.discard('strict_locks')
1475
def addCleanup(self, callable, *args, **kwargs):
1476
"""Arrange to run a callable when this case is torn down.
1478
Callables are run in the reverse of the order they are registered,
1479
ie last-in first-out.
1481
self._cleanups.append((callable, args, kwargs))
1483
def overrideAttr(self, obj, attr_name, new=_unitialized_attr):
1484
"""Overrides an object attribute restoring it after the test.
1486
:param obj: The object that will be mutated.
1488
:param attr_name: The attribute name we want to preserve/override in
1491
:param new: The optional value we want to set the attribute to.
1493
:returns: The actual attr value.
1495
value = getattr(obj, attr_name)
1496
# The actual value is captured by the call below
1497
self.addCleanup(setattr, obj, attr_name, value)
1498
if new is not _unitialized_attr:
1499
setattr(obj, attr_name, new)
1502
def _cleanEnvironment(self):
1504
'BZR_HOME': None, # Don't inherit BZR_HOME to all the tests.
1505
'HOME': os.getcwd(),
1506
# bzr now uses the Win32 API and doesn't rely on APPDATA, but the
1507
# tests do check our impls match APPDATA
1508
'BZR_EDITOR': None, # test_msgeditor manipulates this variable
1512
'BZREMAIL': None, # may still be present in the environment
1514
'BZR_PROGRESS_BAR': None,
1516
'BZR_PLUGIN_PATH': None,
1517
'BZR_CONCURRENCY': None,
1518
# Make sure that any text ui tests are consistent regardless of
1519
# the environment the test case is run in; you may want tests that
1520
# test other combinations. 'dumb' is a reasonable guess for tests
1521
# going to a pipe or a StringIO.
1525
'BZR_COLUMNS': '80',
1527
'SSH_AUTH_SOCK': None,
1531
'https_proxy': None,
1532
'HTTPS_PROXY': None,
1537
# Nobody cares about ftp_proxy, FTP_PROXY AFAIK. So far at
1538
# least. If you do (care), please update this comment
1542
'BZR_REMOTE_PATH': None,
1545
self.addCleanup(self._restoreEnvironment)
1546
for name, value in new_env.iteritems():
1547
self._captureVar(name, value)
1549
def _captureVar(self, name, newvalue):
1550
"""Set an environment variable, and reset it when finished."""
1551
self.__old_env[name] = osutils.set_or_unset_env(name, newvalue)
1553
def _restoreEnvironment(self):
1554
for name, value in self.__old_env.iteritems():
1555
osutils.set_or_unset_env(name, value)
1557
def _restoreHooks(self):
1558
for klass, (name, hooks) in self._preserved_hooks.items():
1559
setattr(klass, name, hooks)
1561
def knownFailure(self, reason):
1562
"""This test has failed for some known reason."""
1563
raise KnownFailure(reason)
1565
def _do_skip(self, result, reason):
1566
addSkip = getattr(result, 'addSkip', None)
1567
if not callable(addSkip):
1568
result.addSuccess(result)
1570
addSkip(self, reason)
1573
def _do_known_failure(self, result, e):
1574
err = sys.exc_info()
1575
addExpectedFailure = getattr(result, 'addExpectedFailure', None)
1576
if addExpectedFailure is not None:
1577
addExpectedFailure(self, err)
1579
result.addSuccess(self)
1582
def _do_not_applicable(self, result, e):
1584
reason = 'No reason given'
1587
addNotApplicable = getattr(result, 'addNotApplicable', None)
1588
if addNotApplicable is not None:
1589
result.addNotApplicable(self, reason)
1591
self._do_skip(result, reason)
1594
def _do_unsupported_or_skip(self, result, e):
1596
addNotSupported = getattr(result, 'addNotSupported', None)
1597
if addNotSupported is not None:
1598
result.addNotSupported(self, reason)
1600
self._do_skip(result, reason)
1602
def time(self, callable, *args, **kwargs):
1603
"""Run callable and accrue the time it takes to the benchmark time.
1605
If lsprofiling is enabled (i.e. by --lsprof-time to bzr selftest) then
1606
this will cause lsprofile statistics to be gathered and stored in
1609
if self._benchtime is None:
1610
self.addDetail('benchtime', content.Content(content.ContentType(
1611
"text", "plain"), lambda:[str(self._benchtime)]))
1615
if not self._gather_lsprof_in_benchmarks:
1616
return callable(*args, **kwargs)
1618
# record this benchmark
1619
ret, stats = bzrlib.lsprof.profile(callable, *args, **kwargs)
1621
self._benchcalls.append(((callable, args, kwargs), stats))
1624
self._benchtime += time.time() - start
1626
def log(self, *args):
1629
def _get_log(self, keep_log_file=False):
1630
"""Internal helper to get the log from bzrlib.trace for this test.
1632
Please use self.getDetails, or self.get_log to access this in test case
1635
:param keep_log_file: When True, if the log is still a file on disk
1636
leave it as a file on disk. When False, if the log is still a file
1637
on disk, the log file is deleted and the log preserved as
1639
:return: A string containing the log.
1641
if self._log_contents is not None:
1643
self._log_contents.decode('utf8')
1644
except UnicodeDecodeError:
1645
unicodestr = self._log_contents.decode('utf8', 'replace')
1646
self._log_contents = unicodestr.encode('utf8')
1647
return self._log_contents
1649
if bzrlib.trace._trace_file:
1650
# flush the log file, to get all content
1651
bzrlib.trace._trace_file.flush()
1652
if self._log_file_name is not None:
1653
logfile = open(self._log_file_name)
1655
log_contents = logfile.read()
1659
log_contents.decode('utf8')
1660
except UnicodeDecodeError:
1661
unicodestr = log_contents.decode('utf8', 'replace')
1662
log_contents = unicodestr.encode('utf8')
1663
if not keep_log_file:
1664
self._log_file.close()
1665
self._log_file = None
1666
# Permit multiple calls to get_log until we clean it up in
1668
self._log_contents = log_contents
1670
os.remove(self._log_file_name)
1672
if sys.platform == 'win32' and e.errno == errno.EACCES:
1673
sys.stderr.write(('Unable to delete log file '
1674
' %r\n' % self._log_file_name))
1677
self._log_file_name = None
1680
return "No log file content and no log file name."
1683
"""Get a unicode string containing the log from bzrlib.trace.
1685
Undecodable characters are replaced.
1687
return u"".join(self.getDetails()['log'].iter_text())
1689
def requireFeature(self, feature):
1690
"""This test requires a specific feature is available.
1692
:raises UnavailableFeature: When feature is not available.
1694
if not feature.available():
1695
raise UnavailableFeature(feature)
1697
def _run_bzr_autosplit(self, args, retcode, encoding, stdin,
1699
"""Run bazaar command line, splitting up a string command line."""
1700
if isinstance(args, basestring):
1701
# shlex don't understand unicode strings,
1702
# so args should be plain string (bialix 20070906)
1703
args = list(shlex.split(str(args)))
1704
return self._run_bzr_core(args, retcode=retcode,
1705
encoding=encoding, stdin=stdin, working_dir=working_dir,
1708
def _run_bzr_core(self, args, retcode, encoding, stdin,
1710
# Clear chk_map page cache, because the contents are likely to mask
1712
chk_map.clear_cache()
1713
if encoding is None:
1714
encoding = osutils.get_user_encoding()
1715
stdout = StringIOWrapper()
1716
stderr = StringIOWrapper()
1717
stdout.encoding = encoding
1718
stderr.encoding = encoding
1720
self.log('run bzr: %r', args)
1721
# FIXME: don't call into logging here
1722
handler = logging.StreamHandler(stderr)
1723
handler.setLevel(logging.INFO)
1724
logger = logging.getLogger('')
1725
logger.addHandler(handler)
1726
old_ui_factory = ui.ui_factory
1727
ui.ui_factory = TestUIFactory(stdin=stdin, stdout=stdout, stderr=stderr)
1730
if working_dir is not None:
1731
cwd = osutils.getcwd()
1732
os.chdir(working_dir)
1736
result = self.apply_redirected(ui.ui_factory.stdin,
1738
bzrlib.commands.run_bzr_catch_user_errors,
1740
except KeyboardInterrupt:
1741
# Reraise KeyboardInterrupt with contents of redirected stdout
1742
# and stderr as arguments, for tests which are interested in
1743
# stdout and stderr and are expecting the exception.
1744
out = stdout.getvalue()
1745
err = stderr.getvalue()
1747
self.log('output:\n%r', out)
1749
self.log('errors:\n%r', err)
1750
raise KeyboardInterrupt(out, err)
1752
logger.removeHandler(handler)
1753
ui.ui_factory = old_ui_factory
1757
out = stdout.getvalue()
1758
err = stderr.getvalue()
1760
self.log('output:\n%r', out)
1762
self.log('errors:\n%r', err)
1763
if retcode is not None:
1764
self.assertEquals(retcode, result,
1765
message='Unexpected return code')
1766
return result, out, err
1768
def run_bzr(self, args, retcode=0, encoding=None, stdin=None,
1769
working_dir=None, error_regexes=[], output_encoding=None):
1770
"""Invoke bzr, as if it were run from the command line.
1772
The argument list should not include the bzr program name - the
1773
first argument is normally the bzr command. Arguments may be
1774
passed in three ways:
1776
1- A list of strings, eg ["commit", "a"]. This is recommended
1777
when the command contains whitespace or metacharacters, or
1778
is built up at run time.
1780
2- A single string, eg "add a". This is the most convenient
1781
for hardcoded commands.
1783
This runs bzr through the interface that catches and reports
1784
errors, and with logging set to something approximating the
1785
default, so that error reporting can be checked.
1787
This should be the main method for tests that want to exercise the
1788
overall behavior of the bzr application (rather than a unit test
1789
or a functional test of the library.)
1791
This sends the stdout/stderr results into the test's log,
1792
where it may be useful for debugging. See also run_captured.
1794
:keyword stdin: A string to be used as stdin for the command.
1795
:keyword retcode: The status code the command should return;
1797
:keyword working_dir: The directory to run the command in
1798
:keyword error_regexes: A list of expected error messages. If
1799
specified they must be seen in the error output of the command.
1801
retcode, out, err = self._run_bzr_autosplit(
1806
working_dir=working_dir,
1808
self.assertIsInstance(error_regexes, (list, tuple))
1809
for regex in error_regexes:
1810
self.assertContainsRe(err, regex)
1813
def run_bzr_error(self, error_regexes, *args, **kwargs):
1814
"""Run bzr, and check that stderr contains the supplied regexes
1816
:param error_regexes: Sequence of regular expressions which
1817
must each be found in the error output. The relative ordering
1819
:param args: command-line arguments for bzr
1820
:param kwargs: Keyword arguments which are interpreted by run_bzr
1821
This function changes the default value of retcode to be 3,
1822
since in most cases this is run when you expect bzr to fail.
1824
:return: (out, err) The actual output of running the command (in case
1825
you want to do more inspection)
1829
# Make sure that commit is failing because there is nothing to do
1830
self.run_bzr_error(['no changes to commit'],
1831
['commit', '-m', 'my commit comment'])
1832
# Make sure --strict is handling an unknown file, rather than
1833
# giving us the 'nothing to do' error
1834
self.build_tree(['unknown'])
1835
self.run_bzr_error(['Commit refused because there are unknown files'],
1836
['commit', --strict', '-m', 'my commit comment'])
1838
kwargs.setdefault('retcode', 3)
1839
kwargs['error_regexes'] = error_regexes
1840
out, err = self.run_bzr(*args, **kwargs)
1843
def run_bzr_subprocess(self, *args, **kwargs):
1844
"""Run bzr in a subprocess for testing.
1846
This starts a new Python interpreter and runs bzr in there.
1847
This should only be used for tests that have a justifiable need for
1848
this isolation: e.g. they are testing startup time, or signal
1849
handling, or early startup code, etc. Subprocess code can't be
1850
profiled or debugged so easily.
1852
:keyword retcode: The status code that is expected. Defaults to 0. If
1853
None is supplied, the status code is not checked.
1854
:keyword env_changes: A dictionary which lists changes to environment
1855
variables. A value of None will unset the env variable.
1856
The values must be strings. The change will only occur in the
1857
child, so you don't need to fix the environment after running.
1858
:keyword universal_newlines: Convert CRLF => LF
1859
:keyword allow_plugins: By default the subprocess is run with
1860
--no-plugins to ensure test reproducibility. Also, it is possible
1861
for system-wide plugins to create unexpected output on stderr,
1862
which can cause unnecessary test failures.
1864
env_changes = kwargs.get('env_changes', {})
1865
working_dir = kwargs.get('working_dir', None)
1866
allow_plugins = kwargs.get('allow_plugins', False)
1868
if isinstance(args[0], list):
1870
elif isinstance(args[0], basestring):
1871
args = list(shlex.split(args[0]))
1873
raise ValueError("passing varargs to run_bzr_subprocess")
1874
process = self.start_bzr_subprocess(args, env_changes=env_changes,
1875
working_dir=working_dir,
1876
allow_plugins=allow_plugins)
1877
# We distinguish between retcode=None and retcode not passed.
1878
supplied_retcode = kwargs.get('retcode', 0)
1879
return self.finish_bzr_subprocess(process, retcode=supplied_retcode,
1880
universal_newlines=kwargs.get('universal_newlines', False),
1883
def start_bzr_subprocess(self, process_args, env_changes=None,
1884
skip_if_plan_to_signal=False,
1886
allow_plugins=False):
1887
"""Start bzr in a subprocess for testing.
1889
This starts a new Python interpreter and runs bzr in there.
1890
This should only be used for tests that have a justifiable need for
1891
this isolation: e.g. they are testing startup time, or signal
1892
handling, or early startup code, etc. Subprocess code can't be
1893
profiled or debugged so easily.
1895
:param process_args: a list of arguments to pass to the bzr executable,
1896
for example ``['--version']``.
1897
:param env_changes: A dictionary which lists changes to environment
1898
variables. A value of None will unset the env variable.
1899
The values must be strings. The change will only occur in the
1900
child, so you don't need to fix the environment after running.
1901
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
1903
:param allow_plugins: If False (default) pass --no-plugins to bzr.
1905
:returns: Popen object for the started process.
1907
if skip_if_plan_to_signal:
1908
if not getattr(os, 'kill', None):
1909
raise TestSkipped("os.kill not available.")
1911
if env_changes is None:
1915
def cleanup_environment():
1916
for env_var, value in env_changes.iteritems():
1917
old_env[env_var] = osutils.set_or_unset_env(env_var, value)
1919
def restore_environment():
1920
for env_var, value in old_env.iteritems():
1921
osutils.set_or_unset_env(env_var, value)
1923
bzr_path = self.get_bzr_path()
1926
if working_dir is not None:
1927
cwd = osutils.getcwd()
1928
os.chdir(working_dir)
1931
# win32 subprocess doesn't support preexec_fn
1932
# so we will avoid using it on all platforms, just to
1933
# make sure the code path is used, and we don't break on win32
1934
cleanup_environment()
1935
command = [sys.executable]
1936
# frozen executables don't need the path to bzr
1937
if getattr(sys, "frozen", None) is None:
1938
command.append(bzr_path)
1939
if not allow_plugins:
1940
command.append('--no-plugins')
1941
command.extend(process_args)
1942
process = self._popen(command, stdin=PIPE, stdout=PIPE, stderr=PIPE)
1944
restore_environment()
1950
def _popen(self, *args, **kwargs):
1951
"""Place a call to Popen.
1953
Allows tests to override this method to intercept the calls made to
1954
Popen for introspection.
1956
return Popen(*args, **kwargs)
1958
def get_source_path(self):
1959
"""Return the path of the directory containing bzrlib."""
1960
return os.path.dirname(os.path.dirname(bzrlib.__file__))
1962
def get_bzr_path(self):
1963
"""Return the path of the 'bzr' executable for this test suite."""
1964
bzr_path = self.get_source_path()+'/bzr'
1965
if not os.path.isfile(bzr_path):
1966
# We are probably installed. Assume sys.argv is the right file
1967
bzr_path = sys.argv[0]
1970
def finish_bzr_subprocess(self, process, retcode=0, send_signal=None,
1971
universal_newlines=False, process_args=None):
1972
"""Finish the execution of process.
1974
:param process: the Popen object returned from start_bzr_subprocess.
1975
:param retcode: The status code that is expected. Defaults to 0. If
1976
None is supplied, the status code is not checked.
1977
:param send_signal: an optional signal to send to the process.
1978
:param universal_newlines: Convert CRLF => LF
1979
:returns: (stdout, stderr)
1981
if send_signal is not None:
1982
os.kill(process.pid, send_signal)
1983
out, err = process.communicate()
1985
if universal_newlines:
1986
out = out.replace('\r\n', '\n')
1987
err = err.replace('\r\n', '\n')
1989
if retcode is not None and retcode != process.returncode:
1990
if process_args is None:
1991
process_args = "(unknown args)"
1992
mutter('Output of bzr %s:\n%s', process_args, out)
1993
mutter('Error for bzr %s:\n%s', process_args, err)
1994
self.fail('Command bzr %s failed with retcode %s != %s'
1995
% (process_args, retcode, process.returncode))
1998
def check_inventory_shape(self, inv, shape):
1999
"""Compare an inventory to a list of expected names.
2001
Fail if they are not precisely equal.
2004
shape = list(shape) # copy
2005
for path, ie in inv.entries():
2006
name = path.replace('\\', '/')
2007
if ie.kind == 'directory':
2014
self.fail("expected paths not found in inventory: %r" % shape)
2016
self.fail("unexpected paths found in inventory: %r" % extras)
2018
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
2019
a_callable=None, *args, **kwargs):
2020
"""Call callable with redirected std io pipes.
2022
Returns the return code."""
2023
if not callable(a_callable):
2024
raise ValueError("a_callable must be callable.")
2026
stdin = StringIO("")
2028
if getattr(self, "_log_file", None) is not None:
2029
stdout = self._log_file
2033
if getattr(self, "_log_file", None is not None):
2034
stderr = self._log_file
2037
real_stdin = sys.stdin
2038
real_stdout = sys.stdout
2039
real_stderr = sys.stderr
2044
return a_callable(*args, **kwargs)
2046
sys.stdout = real_stdout
2047
sys.stderr = real_stderr
2048
sys.stdin = real_stdin
2050
def reduceLockdirTimeout(self):
2051
"""Reduce the default lock timeout for the duration of the test, so that
2052
if LockContention occurs during a test, it does so quickly.
2054
Tests that expect to provoke LockContention errors should call this.
2056
self.overrideAttr(bzrlib.lockdir, '_DEFAULT_TIMEOUT_SECONDS', 0)
2058
def make_utf8_encoded_stringio(self, encoding_type=None):
2059
"""Return a StringIOWrapper instance, that will encode Unicode
2062
if encoding_type is None:
2063
encoding_type = 'strict'
2065
output_encoding = 'utf-8'
2066
sio = codecs.getwriter(output_encoding)(sio, errors=encoding_type)
2067
sio.encoding = output_encoding
2070
def disable_verb(self, verb):
2071
"""Disable a smart server verb for one test."""
2072
from bzrlib.smart import request
2073
request_handlers = request.request_handlers
2074
orig_method = request_handlers.get(verb)
2075
request_handlers.remove(verb)
2076
self.addCleanup(request_handlers.register, verb, orig_method)
2079
class CapturedCall(object):
2080
"""A helper for capturing smart server calls for easy debug analysis."""
2082
def __init__(self, params, prefix_length):
2083
"""Capture the call with params and skip prefix_length stack frames."""
2086
# The last 5 frames are the __init__, the hook frame, and 3 smart
2087
# client frames. Beyond this we could get more clever, but this is good
2089
stack = traceback.extract_stack()[prefix_length:-5]
2090
self.stack = ''.join(traceback.format_list(stack))
2093
return self.call.method
2096
return self.call.method
2102
class TestCaseWithMemoryTransport(TestCase):
2103
"""Common test class for tests that do not need disk resources.
2105
Tests that need disk resources should derive from TestCaseWithTransport.
2107
TestCaseWithMemoryTransport sets the TEST_ROOT variable for all bzr tests.
2109
For TestCaseWithMemoryTransport the test_home_dir is set to the name of
2110
a directory which does not exist. This serves to help ensure test isolation
2111
is preserved. test_dir is set to the TEST_ROOT, as is cwd, because they
2112
must exist. However, TestCaseWithMemoryTransport does not offer local
2113
file defaults for the transport in tests, nor does it obey the command line
2114
override, so tests that accidentally write to the common directory should
2117
:cvar TEST_ROOT: Directory containing all temporary directories, plus
2118
a .bzr directory that stops us ascending higher into the filesystem.
2124
def __init__(self, methodName='runTest'):
2125
# allow test parameterization after test construction and before test
2126
# execution. Variables that the parameterizer sets need to be
2127
# ones that are not set by setUp, or setUp will trash them.
2128
super(TestCaseWithMemoryTransport, self).__init__(methodName)
2129
self.vfs_transport_factory = default_transport
2130
self.transport_server = None
2131
self.transport_readonly_server = None
2132
self.__vfs_server = None
2134
def get_transport(self, relpath=None):
2135
"""Return a writeable transport.
2137
This transport is for the test scratch space relative to
2140
:param relpath: a path relative to the base url.
2142
t = get_transport(self.get_url(relpath))
2143
self.assertFalse(t.is_readonly())
2146
def get_readonly_transport(self, relpath=None):
2147
"""Return a readonly transport for the test scratch space
2149
This can be used to test that operations which should only need
2150
readonly access in fact do not try to write.
2152
:param relpath: a path relative to the base url.
2154
t = get_transport(self.get_readonly_url(relpath))
2155
self.assertTrue(t.is_readonly())
2158
def create_transport_readonly_server(self):
2159
"""Create a transport server from class defined at init.
2161
This is mostly a hook for daughter classes.
2163
return self.transport_readonly_server()
2165
def get_readonly_server(self):
2166
"""Get the server instance for the readonly transport
2168
This is useful for some tests with specific servers to do diagnostics.
2170
if self.__readonly_server is None:
2171
if self.transport_readonly_server is None:
2172
# readonly decorator requested
2173
self.__readonly_server = ReadonlyServer()
2175
# explicit readonly transport.
2176
self.__readonly_server = self.create_transport_readonly_server()
2177
self.start_server(self.__readonly_server,
2178
self.get_vfs_only_server())
2179
return self.__readonly_server
2181
def get_readonly_url(self, relpath=None):
2182
"""Get a URL for the readonly transport.
2184
This will either be backed by '.' or a decorator to the transport
2185
used by self.get_url()
2186
relpath provides for clients to get a path relative to the base url.
2187
These should only be downwards relative, not upwards.
2189
base = self.get_readonly_server().get_url()
2190
return self._adjust_url(base, relpath)
2192
def get_vfs_only_server(self):
2193
"""Get the vfs only read/write server instance.
2195
This is useful for some tests with specific servers that need
2198
For TestCaseWithMemoryTransport this is always a MemoryServer, and there
2199
is no means to override it.
2201
if self.__vfs_server is None:
2202
self.__vfs_server = MemoryServer()
2203
self.start_server(self.__vfs_server)
2204
return self.__vfs_server
2206
def get_server(self):
2207
"""Get the read/write server instance.
2209
This is useful for some tests with specific servers that need
2212
This is built from the self.transport_server factory. If that is None,
2213
then the self.get_vfs_server is returned.
2215
if self.__server is None:
2216
if (self.transport_server is None or self.transport_server is
2217
self.vfs_transport_factory):
2218
self.__server = self.get_vfs_only_server()
2220
# bring up a decorated means of access to the vfs only server.
2221
self.__server = self.transport_server()
2222
self.start_server(self.__server, self.get_vfs_only_server())
2223
return self.__server
2225
def _adjust_url(self, base, relpath):
2226
"""Get a URL (or maybe a path) for the readwrite transport.
2228
This will either be backed by '.' or to an equivalent non-file based
2230
relpath provides for clients to get a path relative to the base url.
2231
These should only be downwards relative, not upwards.
2233
if relpath is not None and relpath != '.':
2234
if not base.endswith('/'):
2236
# XXX: Really base should be a url; we did after all call
2237
# get_url()! But sometimes it's just a path (from
2238
# LocalAbspathServer), and it'd be wrong to append urlescaped data
2239
# to a non-escaped local path.
2240
if base.startswith('./') or base.startswith('/'):
2243
base += urlutils.escape(relpath)
2246
def get_url(self, relpath=None):
2247
"""Get a URL (or maybe a path) for the readwrite transport.
2249
This will either be backed by '.' or to an equivalent non-file based
2251
relpath provides for clients to get a path relative to the base url.
2252
These should only be downwards relative, not upwards.
2254
base = self.get_server().get_url()
2255
return self._adjust_url(base, relpath)
2257
def get_vfs_only_url(self, relpath=None):
2258
"""Get a URL (or maybe a path for the plain old vfs transport.
2260
This will never be a smart protocol. It always has all the
2261
capabilities of the local filesystem, but it might actually be a
2262
MemoryTransport or some other similar virtual filesystem.
2264
This is the backing transport (if any) of the server returned by
2265
get_url and get_readonly_url.
2267
:param relpath: provides for clients to get a path relative to the base
2268
url. These should only be downwards relative, not upwards.
2271
base = self.get_vfs_only_server().get_url()
2272
return self._adjust_url(base, relpath)
2274
def _create_safety_net(self):
2275
"""Make a fake bzr directory.
2277
This prevents any tests propagating up onto the TEST_ROOT directory's
2280
root = TestCaseWithMemoryTransport.TEST_ROOT
2281
bzrdir.BzrDir.create_standalone_workingtree(root)
2283
def _check_safety_net(self):
2284
"""Check that the safety .bzr directory have not been touched.
2286
_make_test_root have created a .bzr directory to prevent tests from
2287
propagating. This method ensures than a test did not leaked.
2289
root = TestCaseWithMemoryTransport.TEST_ROOT
2290
self.permit_url(get_transport(root).base)
2291
wt = workingtree.WorkingTree.open(root)
2292
last_rev = wt.last_revision()
2293
if last_rev != 'null:':
2294
# The current test have modified the /bzr directory, we need to
2295
# recreate a new one or all the followng tests will fail.
2296
# If you need to inspect its content uncomment the following line
2297
# import pdb; pdb.set_trace()
2298
_rmtree_temp_dir(root + '/.bzr', test_id=self.id())
2299
self._create_safety_net()
2300
raise AssertionError('%s/.bzr should not be modified' % root)
2302
def _make_test_root(self):
2303
if TestCaseWithMemoryTransport.TEST_ROOT is None:
2304
# Watch out for tricky test dir (on OSX /tmp -> /private/tmp)
2305
root = osutils.realpath(osutils.mkdtemp(prefix='testbzr-',
2307
TestCaseWithMemoryTransport.TEST_ROOT = root
2309
self._create_safety_net()
2311
# The same directory is used by all tests, and we're not
2312
# specifically told when all tests are finished. This will do.
2313
atexit.register(_rmtree_temp_dir, root)
2315
self.permit_dir(TestCaseWithMemoryTransport.TEST_ROOT)
2316
self.addCleanup(self._check_safety_net)
2318
def makeAndChdirToTestDir(self):
2319
"""Create a temporary directories for this one test.
2321
This must set self.test_home_dir and self.test_dir and chdir to
2324
For TestCaseWithMemoryTransport we chdir to the TEST_ROOT for this test.
2326
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
2327
self.test_dir = TestCaseWithMemoryTransport.TEST_ROOT
2328
self.test_home_dir = self.test_dir + "/MemoryTransportMissingHomeDir"
2329
self.permit_dir(self.test_dir)
2331
def make_branch(self, relpath, format=None):
2332
"""Create a branch on the transport at relpath."""
2333
repo = self.make_repository(relpath, format=format)
2334
return repo.bzrdir.create_branch()
2336
def make_bzrdir(self, relpath, format=None):
2338
# might be a relative or absolute path
2339
maybe_a_url = self.get_url(relpath)
2340
segments = maybe_a_url.rsplit('/', 1)
2341
t = get_transport(maybe_a_url)
2342
if len(segments) > 1 and segments[-1] not in ('', '.'):
2346
if isinstance(format, basestring):
2347
format = bzrdir.format_registry.make_bzrdir(format)
2348
return format.initialize_on_transport(t)
2349
except errors.UninitializableFormat:
2350
raise TestSkipped("Format %s is not initializable." % format)
2352
def make_repository(self, relpath, shared=False, format=None):
2353
"""Create a repository on our default transport at relpath.
2355
Note that relpath must be a relative path, not a full url.
2357
# FIXME: If you create a remoterepository this returns the underlying
2358
# real format, which is incorrect. Actually we should make sure that
2359
# RemoteBzrDir returns a RemoteRepository.
2360
# maybe mbp 20070410
2361
made_control = self.make_bzrdir(relpath, format=format)
2362
return made_control.create_repository(shared=shared)
2364
def make_smart_server(self, path):
2365
smart_server = server.SmartTCPServer_for_testing()
2366
self.start_server(smart_server, self.get_server())
2367
remote_transport = get_transport(smart_server.get_url()).clone(path)
2368
return remote_transport
2370
def make_branch_and_memory_tree(self, relpath, format=None):
2371
"""Create a branch on the default transport and a MemoryTree for it."""
2372
b = self.make_branch(relpath, format=format)
2373
return memorytree.MemoryTree.create_on_branch(b)
2375
def make_branch_builder(self, relpath, format=None):
2376
branch = self.make_branch(relpath, format=format)
2377
return branchbuilder.BranchBuilder(branch=branch)
2379
def overrideEnvironmentForTesting(self):
2380
test_home_dir = self.test_home_dir
2381
if isinstance(test_home_dir, unicode):
2382
test_home_dir = test_home_dir.encode(sys.getfilesystemencoding())
2383
os.environ['HOME'] = test_home_dir
2384
os.environ['BZR_HOME'] = test_home_dir
2387
super(TestCaseWithMemoryTransport, self).setUp()
2388
self._make_test_root()
2389
self.addCleanup(os.chdir, os.getcwdu())
2390
self.makeAndChdirToTestDir()
2391
self.overrideEnvironmentForTesting()
2392
self.__readonly_server = None
2393
self.__server = None
2394
self.reduceLockdirTimeout()
2396
def setup_smart_server_with_call_log(self):
2397
"""Sets up a smart server as the transport server with a call log."""
2398
self.transport_server = server.SmartTCPServer_for_testing
2399
self.hpss_calls = []
2401
# Skip the current stack down to the caller of
2402
# setup_smart_server_with_call_log
2403
prefix_length = len(traceback.extract_stack()) - 2
2404
def capture_hpss_call(params):
2405
self.hpss_calls.append(
2406
CapturedCall(params, prefix_length))
2407
client._SmartClient.hooks.install_named_hook(
2408
'call', capture_hpss_call, None)
2410
def reset_smart_call_log(self):
2411
self.hpss_calls = []
2414
class TestCaseInTempDir(TestCaseWithMemoryTransport):
2415
"""Derived class that runs a test within a temporary directory.
2417
This is useful for tests that need to create a branch, etc.
2419
The directory is created in a slightly complex way: for each
2420
Python invocation, a new temporary top-level directory is created.
2421
All test cases create their own directory within that. If the
2422
tests complete successfully, the directory is removed.
2424
:ivar test_base_dir: The path of the top-level directory for this
2425
test, which contains a home directory and a work directory.
2427
:ivar test_home_dir: An initially empty directory under test_base_dir
2428
which is used as $HOME for this test.
2430
:ivar test_dir: A directory under test_base_dir used as the current
2431
directory when the test proper is run.
2434
OVERRIDE_PYTHON = 'python'
2436
def check_file_contents(self, filename, expect):
2437
self.log("check contents of file %s" % filename)
2438
contents = file(filename, 'r').read()
2439
if contents != expect:
2440
self.log("expected: %r" % expect)
2441
self.log("actually: %r" % contents)
2442
self.fail("contents of %s not as expected" % filename)
2444
def _getTestDirPrefix(self):
2445
# create a directory within the top level test directory
2446
if sys.platform in ('win32', 'cygwin'):
2447
name_prefix = re.sub('[<>*=+",:;_/\\-]', '_', self.id())
2448
# windows is likely to have path-length limits so use a short name
2449
name_prefix = name_prefix[-30:]
2451
name_prefix = re.sub('[/]', '_', self.id())
2454
def makeAndChdirToTestDir(self):
2455
"""See TestCaseWithMemoryTransport.makeAndChdirToTestDir().
2457
For TestCaseInTempDir we create a temporary directory based on the test
2458
name and then create two subdirs - test and home under it.
2460
name_prefix = osutils.pathjoin(TestCaseWithMemoryTransport.TEST_ROOT,
2461
self._getTestDirPrefix())
2463
for i in range(100):
2464
if os.path.exists(name):
2465
name = name_prefix + '_' + str(i)
2467
# now create test and home directories within this dir
2468
self.test_base_dir = name
2469
self.addCleanup(self.deleteTestDir)
2470
os.mkdir(self.test_base_dir)
2472
self.permit_dir(self.test_base_dir)
2473
# 'sprouting' and 'init' of a branch both walk up the tree to find
2474
# stacking policy to honour; create a bzr dir with an unshared
2475
# repository (but not a branch - our code would be trying to escape
2476
# then!) to stop them, and permit it to be read.
2477
# control = bzrdir.BzrDir.create(self.test_base_dir)
2478
# control.create_repository()
2479
self.test_home_dir = self.test_base_dir + '/home'
2480
os.mkdir(self.test_home_dir)
2481
self.test_dir = self.test_base_dir + '/work'
2482
os.mkdir(self.test_dir)
2483
os.chdir(self.test_dir)
2484
# put name of test inside
2485
f = file(self.test_base_dir + '/name', 'w')
2491
def deleteTestDir(self):
2492
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
2493
_rmtree_temp_dir(self.test_base_dir, test_id=self.id())
2495
def build_tree(self, shape, line_endings='binary', transport=None):
2496
"""Build a test tree according to a pattern.
2498
shape is a sequence of file specifications. If the final
2499
character is '/', a directory is created.
2501
This assumes that all the elements in the tree being built are new.
2503
This doesn't add anything to a branch.
2505
:type shape: list or tuple.
2506
:param line_endings: Either 'binary' or 'native'
2507
in binary mode, exact contents are written in native mode, the
2508
line endings match the default platform endings.
2509
:param transport: A transport to write to, for building trees on VFS's.
2510
If the transport is readonly or None, "." is opened automatically.
2513
if type(shape) not in (list, tuple):
2514
raise AssertionError("Parameter 'shape' should be "
2515
"a list or a tuple. Got %r instead" % (shape,))
2516
# It's OK to just create them using forward slashes on windows.
2517
if transport is None or transport.is_readonly():
2518
transport = get_transport(".")
2520
self.assertIsInstance(name, basestring)
2522
transport.mkdir(urlutils.escape(name[:-1]))
2524
if line_endings == 'binary':
2526
elif line_endings == 'native':
2529
raise errors.BzrError(
2530
'Invalid line ending request %r' % line_endings)
2531
content = "contents of %s%s" % (name.encode('utf-8'), end)
2532
transport.put_bytes_non_atomic(urlutils.escape(name), content)
2534
def build_tree_contents(self, shape):
2535
build_tree_contents(shape)
2537
def assertInWorkingTree(self, path, root_path='.', tree=None):
2538
"""Assert whether path or paths are in the WorkingTree"""
2540
tree = workingtree.WorkingTree.open(root_path)
2541
if not isinstance(path, basestring):
2543
self.assertInWorkingTree(p, tree=tree)
2545
self.assertIsNot(tree.path2id(path), None,
2546
path+' not in working tree.')
2548
def assertNotInWorkingTree(self, path, root_path='.', tree=None):
2549
"""Assert whether path or paths are not in the WorkingTree"""
2551
tree = workingtree.WorkingTree.open(root_path)
2552
if not isinstance(path, basestring):
2554
self.assertNotInWorkingTree(p,tree=tree)
2556
self.assertIs(tree.path2id(path), None, path+' in working tree.')
2559
class TestCaseWithTransport(TestCaseInTempDir):
2560
"""A test case that provides get_url and get_readonly_url facilities.
2562
These back onto two transport servers, one for readonly access and one for
2565
If no explicit class is provided for readonly access, a
2566
ReadonlyTransportDecorator is used instead which allows the use of non disk
2567
based read write transports.
2569
If an explicit class is provided for readonly access, that server and the
2570
readwrite one must both define get_url() as resolving to os.getcwd().
2573
def get_vfs_only_server(self):
2574
"""See TestCaseWithMemoryTransport.
2576
This is useful for some tests with specific servers that need
2579
if self.__vfs_server is None:
2580
self.__vfs_server = self.vfs_transport_factory()
2581
self.start_server(self.__vfs_server)
2582
return self.__vfs_server
2584
def make_branch_and_tree(self, relpath, format=None):
2585
"""Create a branch on the transport and a tree locally.
2587
If the transport is not a LocalTransport, the Tree can't be created on
2588
the transport. In that case if the vfs_transport_factory is
2589
LocalURLServer the working tree is created in the local
2590
directory backing the transport, and the returned tree's branch and
2591
repository will also be accessed locally. Otherwise a lightweight
2592
checkout is created and returned.
2594
We do this because we can't physically create a tree in the local
2595
path, with a branch reference to the transport_factory url, and
2596
a branch + repository in the vfs_transport, unless the vfs_transport
2597
namespace is distinct from the local disk - the two branch objects
2598
would collide. While we could construct a tree with its branch object
2599
pointing at the transport_factory transport in memory, reopening it
2600
would behaving unexpectedly, and has in the past caused testing bugs
2601
when we tried to do it that way.
2603
:param format: The BzrDirFormat.
2604
:returns: the WorkingTree.
2606
# TODO: always use the local disk path for the working tree,
2607
# this obviously requires a format that supports branch references
2608
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
2610
b = self.make_branch(relpath, format=format)
2612
return b.bzrdir.create_workingtree()
2613
except errors.NotLocalUrl:
2614
# We can only make working trees locally at the moment. If the
2615
# transport can't support them, then we keep the non-disk-backed
2616
# branch and create a local checkout.
2617
if self.vfs_transport_factory is LocalURLServer:
2618
# the branch is colocated on disk, we cannot create a checkout.
2619
# hopefully callers will expect this.
2620
local_controldir= bzrdir.BzrDir.open(self.get_vfs_only_url(relpath))
2621
wt = local_controldir.create_workingtree()
2622
if wt.branch._format != b._format:
2624
# Make sure that assigning to wt._branch fixes wt.branch,
2625
# in case the implementation details of workingtree objects
2627
self.assertIs(b, wt.branch)
2630
return b.create_checkout(relpath, lightweight=True)
2632
def assertIsDirectory(self, relpath, transport):
2633
"""Assert that relpath within transport is a directory.
2635
This may not be possible on all transports; in that case it propagates
2636
a TransportNotPossible.
2639
mode = transport.stat(relpath).st_mode
2640
except errors.NoSuchFile:
2641
self.fail("path %s is not a directory; no such file"
2643
if not stat.S_ISDIR(mode):
2644
self.fail("path %s is not a directory; has mode %#o"
2647
def assertTreesEqual(self, left, right):
2648
"""Check that left and right have the same content and properties."""
2649
# we use a tree delta to check for equality of the content, and we
2650
# manually check for equality of other things such as the parents list.
2651
self.assertEqual(left.get_parent_ids(), right.get_parent_ids())
2652
differences = left.changes_from(right)
2653
self.assertFalse(differences.has_changed(),
2654
"Trees %r and %r are different: %r" % (left, right, differences))
2657
super(TestCaseWithTransport, self).setUp()
2658
self.__vfs_server = None
2660
def disable_missing_extensions_warning(self):
2661
"""Some tests expect a precise stderr content.
2663
There is no point in forcing them to duplicate the extension related
2666
config.GlobalConfig().set_user_option('ignore_missing_extensions', True)
2669
class ChrootedTestCase(TestCaseWithTransport):
2670
"""A support class that provides readonly urls outside the local namespace.
2672
This is done by checking if self.transport_server is a MemoryServer. if it
2673
is then we are chrooted already, if it is not then an HttpServer is used
2676
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
2677
be used without needed to redo it when a different
2678
subclass is in use ?
2682
super(ChrootedTestCase, self).setUp()
2683
if not self.vfs_transport_factory == MemoryServer:
2684
self.transport_readonly_server = HttpServer
2687
def condition_id_re(pattern):
2688
"""Create a condition filter which performs a re check on a test's id.
2690
:param pattern: A regular expression string.
2691
:return: A callable that returns True if the re matches.
2693
filter_re = osutils.re_compile_checked(pattern, 0,
2695
def condition(test):
2697
return filter_re.search(test_id)
2701
def condition_isinstance(klass_or_klass_list):
2702
"""Create a condition filter which returns isinstance(param, klass).
2704
:return: A callable which when called with one parameter obj return the
2705
result of isinstance(obj, klass_or_klass_list).
2708
return isinstance(obj, klass_or_klass_list)
2712
def condition_id_in_list(id_list):
2713
"""Create a condition filter which verify that test's id in a list.
2715
:param id_list: A TestIdList object.
2716
:return: A callable that returns True if the test's id appears in the list.
2718
def condition(test):
2719
return id_list.includes(test.id())
2723
def condition_id_startswith(starts):
2724
"""Create a condition filter verifying that test's id starts with a string.
2726
:param starts: A list of string.
2727
:return: A callable that returns True if the test's id starts with one of
2730
def condition(test):
2731
for start in starts:
2732
if test.id().startswith(start):
2738
def exclude_tests_by_condition(suite, condition):
2739
"""Create a test suite which excludes some tests from suite.
2741
:param suite: The suite to get tests from.
2742
:param condition: A callable whose result evaluates True when called with a
2743
test case which should be excluded from the result.
2744
:return: A suite which contains the tests found in suite that fail
2748
for test in iter_suite_tests(suite):
2749
if not condition(test):
2751
return TestUtil.TestSuite(result)
2754
def filter_suite_by_condition(suite, condition):
2755
"""Create a test suite by filtering another one.
2757
:param suite: The source suite.
2758
:param condition: A callable whose result evaluates True when called with a
2759
test case which should be included in the result.
2760
:return: A suite which contains the tests found in suite that pass
2764
for test in iter_suite_tests(suite):
2767
return TestUtil.TestSuite(result)
2770
def filter_suite_by_re(suite, pattern):
2771
"""Create a test suite by filtering another one.
2773
:param suite: the source suite
2774
:param pattern: pattern that names must match
2775
:returns: the newly created suite
2777
condition = condition_id_re(pattern)
2778
result_suite = filter_suite_by_condition(suite, condition)
2782
def filter_suite_by_id_list(suite, test_id_list):
2783
"""Create a test suite by filtering another one.
2785
:param suite: The source suite.
2786
:param test_id_list: A list of the test ids to keep as strings.
2787
:returns: the newly created suite
2789
condition = condition_id_in_list(test_id_list)
2790
result_suite = filter_suite_by_condition(suite, condition)
2794
def filter_suite_by_id_startswith(suite, start):
2795
"""Create a test suite by filtering another one.
2797
:param suite: The source suite.
2798
:param start: A list of string the test id must start with one of.
2799
:returns: the newly created suite
2801
condition = condition_id_startswith(start)
2802
result_suite = filter_suite_by_condition(suite, condition)
2806
def exclude_tests_by_re(suite, pattern):
2807
"""Create a test suite which excludes some tests from suite.
2809
:param suite: The suite to get tests from.
2810
:param pattern: A regular expression string. Test ids that match this
2811
pattern will be excluded from the result.
2812
:return: A TestSuite that contains all the tests from suite without the
2813
tests that matched pattern. The order of tests is the same as it was in
2816
return exclude_tests_by_condition(suite, condition_id_re(pattern))
2819
def preserve_input(something):
2820
"""A helper for performing test suite transformation chains.
2822
:param something: Anything you want to preserve.
2828
def randomize_suite(suite):
2829
"""Return a new TestSuite with suite's tests in random order.
2831
The tests in the input suite are flattened into a single suite in order to
2832
accomplish this. Any nested TestSuites are removed to provide global
2835
tests = list(iter_suite_tests(suite))
2836
random.shuffle(tests)
2837
return TestUtil.TestSuite(tests)
2840
def split_suite_by_condition(suite, condition):
2841
"""Split a test suite into two by a condition.
2843
:param suite: The suite to split.
2844
:param condition: The condition to match on. Tests that match this
2845
condition are returned in the first test suite, ones that do not match
2846
are in the second suite.
2847
:return: A tuple of two test suites, where the first contains tests from
2848
suite matching the condition, and the second contains the remainder
2849
from suite. The order within each output suite is the same as it was in
2854
for test in iter_suite_tests(suite):
2856
matched.append(test)
2858
did_not_match.append(test)
2859
return TestUtil.TestSuite(matched), TestUtil.TestSuite(did_not_match)
2862
def split_suite_by_re(suite, pattern):
2863
"""Split a test suite into two by a regular expression.
2865
:param suite: The suite to split.
2866
:param pattern: A regular expression string. Test ids that match this
2867
pattern will be in the first test suite returned, and the others in the
2868
second test suite returned.
2869
:return: A tuple of two test suites, where the first contains tests from
2870
suite matching pattern, and the second contains the remainder from
2871
suite. The order within each output suite is the same as it was in
2874
return split_suite_by_condition(suite, condition_id_re(pattern))
2877
def run_suite(suite, name='test', verbose=False, pattern=".*",
2878
stop_on_failure=False,
2879
transport=None, lsprof_timed=None, bench_history=None,
2880
matching_tests_first=None,
2883
exclude_pattern=None,
2886
suite_decorators=None,
2888
result_decorators=None,
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')
2890
"""Run a test suite for bzr selftest.
2892
:param runner_class: The class of runner to use. Must support the
2893
constructor arguments passed by run_suite which are more than standard
2895
:return: A boolean indicating success.
2897
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
2902
if runner_class is None:
2903
runner_class = TextTestRunner
2906
runner = runner_class(stream=stream,
2908
verbosity=verbosity,
2909
bench_history=bench_history,
2911
result_decorators=result_decorators,
2913
runner.stop_on_failure=stop_on_failure
2914
# built in decorator factories:
2916
random_order(random_seed, runner),
2917
exclude_tests(exclude_pattern),
2919
if matching_tests_first:
2920
decorators.append(tests_first(pattern))
2922
decorators.append(filter_tests(pattern))
2923
if suite_decorators:
2924
decorators.extend(suite_decorators)
2925
# tell the result object how many tests will be running: (except if
2926
# --parallel=fork is being used. Robert said he will provide a better
2927
# progress design later -- vila 20090817)
2928
if fork_decorator not in decorators:
2929
decorators.append(CountingDecorator)
2930
for decorator in decorators:
2931
suite = decorator(suite)
2933
# Done after test suite decoration to allow randomisation etc
2934
# to take effect, though that is of marginal benefit.
2936
stream.write("Listing tests only ...\n")
2937
for t in iter_suite_tests(suite):
2938
stream.write("%s\n" % (t.id()))
2940
result = runner.run(suite)
2942
return result.wasStrictlySuccessful()
2944
return result.wasSuccessful()
2947
# A registry where get() returns a suite decorator.
2948
parallel_registry = registry.Registry()
2951
def fork_decorator(suite):
2952
concurrency = osutils.local_concurrency()
2953
if concurrency == 1:
2955
from testtools import ConcurrentTestSuite
2956
return ConcurrentTestSuite(suite, fork_for_tests)
2957
parallel_registry.register('fork', fork_decorator)
2960
def subprocess_decorator(suite):
2961
concurrency = osutils.local_concurrency()
2962
if concurrency == 1:
2964
from testtools import ConcurrentTestSuite
2965
return ConcurrentTestSuite(suite, reinvoke_for_tests)
2966
parallel_registry.register('subprocess', subprocess_decorator)
2969
def exclude_tests(exclude_pattern):
2970
"""Return a test suite decorator that excludes tests."""
2971
if exclude_pattern is None:
2972
return identity_decorator
2973
def decorator(suite):
2974
return ExcludeDecorator(suite, exclude_pattern)
2978
def filter_tests(pattern):
2980
return identity_decorator
2981
def decorator(suite):
2982
return FilterTestsDecorator(suite, pattern)
2986
def random_order(random_seed, runner):
2987
"""Return a test suite decorator factory for randomising tests order.
2989
:param random_seed: now, a string which casts to a long, or a long.
2990
:param runner: A test runner with a stream attribute to report on.
2992
if random_seed is None:
2993
return identity_decorator
2994
def decorator(suite):
2995
return RandomDecorator(suite, random_seed, runner.stream)
2999
def tests_first(pattern):
3001
return identity_decorator
3002
def decorator(suite):
3003
return TestFirstDecorator(suite, pattern)
3007
def identity_decorator(suite):
3012
class TestDecorator(TestSuite):
3013
"""A decorator for TestCase/TestSuite objects.
3015
Usually, subclasses should override __iter__(used when flattening test
3016
suites), which we do to filter, reorder, parallelise and so on, run() and
3020
def __init__(self, suite):
3021
TestSuite.__init__(self)
3024
def countTestCases(self):
3027
cases += test.countTestCases()
3034
def run(self, result):
3035
# Use iteration on self, not self._tests, to allow subclasses to hook
3038
if result.shouldStop:
3044
class CountingDecorator(TestDecorator):
3045
"""A decorator which calls result.progress(self.countTestCases)."""
3047
def run(self, result):
3048
progress_method = getattr(result, 'progress', None)
3049
if callable(progress_method):
3050
progress_method(self.countTestCases(), SUBUNIT_SEEK_SET)
3051
return super(CountingDecorator, self).run(result)
3054
class ExcludeDecorator(TestDecorator):
3055
"""A decorator which excludes test matching an exclude pattern."""
3057
def __init__(self, suite, exclude_pattern):
3058
TestDecorator.__init__(self, suite)
3059
self.exclude_pattern = exclude_pattern
3060
self.excluded = False
3064
return iter(self._tests)
3065
self.excluded = True
3066
suite = exclude_tests_by_re(self, self.exclude_pattern)
3068
self.addTests(suite)
3069
return iter(self._tests)
3072
class FilterTestsDecorator(TestDecorator):
3073
"""A decorator which filters tests to those matching a pattern."""
3075
def __init__(self, suite, pattern):
3076
TestDecorator.__init__(self, suite)
3077
self.pattern = pattern
3078
self.filtered = False
3082
return iter(self._tests)
3083
self.filtered = True
3084
suite = filter_suite_by_re(self, self.pattern)
3086
self.addTests(suite)
3087
return iter(self._tests)
3090
class RandomDecorator(TestDecorator):
3091
"""A decorator which randomises the order of its tests."""
3093
def __init__(self, suite, random_seed, stream):
3094
TestDecorator.__init__(self, suite)
3095
self.random_seed = random_seed
3096
self.randomised = False
3097
self.stream = stream
3101
return iter(self._tests)
3102
self.randomised = True
3103
self.stream.write("Randomizing test order using seed %s\n\n" %
3104
(self.actual_seed()))
3105
# Initialise the random number generator.
3106
random.seed(self.actual_seed())
3107
suite = randomize_suite(self)
3109
self.addTests(suite)
3110
return iter(self._tests)
3112
def actual_seed(self):
3113
if self.random_seed == "now":
3114
# We convert the seed to a long to make it reuseable across
3115
# invocations (because the user can reenter it).
3116
self.random_seed = long(time.time())
3118
# Convert the seed to a long if we can
3120
self.random_seed = long(self.random_seed)
3123
return self.random_seed
3126
class TestFirstDecorator(TestDecorator):
3127
"""A decorator which moves named tests to the front."""
3129
def __init__(self, suite, pattern):
3130
TestDecorator.__init__(self, suite)
3131
self.pattern = pattern
3132
self.filtered = False
3136
return iter(self._tests)
3137
self.filtered = True
3138
suites = split_suite_by_re(self, self.pattern)
3140
self.addTests(suites)
3141
return iter(self._tests)
3144
def partition_tests(suite, count):
3145
"""Partition suite into count lists of tests."""
3147
tests = list(iter_suite_tests(suite))
3148
tests_per_process = int(math.ceil(float(len(tests)) / count))
3149
for block in range(count):
3150
low_test = block * tests_per_process
3151
high_test = low_test + tests_per_process
3152
process_tests = tests[low_test:high_test]
3153
result.append(process_tests)
3157
def fork_for_tests(suite):
3158
"""Take suite and start up one runner per CPU by forking()
3160
:return: An iterable of TestCase-like objects which can each have
3161
run(result) called on them to feed tests to result.
3163
concurrency = osutils.local_concurrency()
3165
from subunit import TestProtocolClient, ProtocolTestCase
3166
from subunit.test_results import AutoTimingTestResultDecorator
3167
class TestInOtherProcess(ProtocolTestCase):
3168
# Should be in subunit, I think. RBC.
3169
def __init__(self, stream, pid):
3170
ProtocolTestCase.__init__(self, stream)
3173
def run(self, result):
3175
ProtocolTestCase.run(self, result)
3177
os.waitpid(self.pid, os.WNOHANG)
3179
test_blocks = partition_tests(suite, concurrency)
3180
for process_tests in test_blocks:
3181
process_suite = TestSuite()
3182
process_suite.addTests(process_tests)
3183
c2pread, c2pwrite = os.pipe()
3188
# Leave stderr and stdout open so we can see test noise
3189
# Close stdin so that the child goes away if it decides to
3190
# read from stdin (otherwise its a roulette to see what
3191
# child actually gets keystrokes for pdb etc).
3194
stream = os.fdopen(c2pwrite, 'wb', 1)
3195
subunit_result = AutoTimingTestResultDecorator(
3196
TestProtocolClient(stream))
3197
process_suite.run(subunit_result)
3202
stream = os.fdopen(c2pread, 'rb', 1)
3203
test = TestInOtherProcess(stream, pid)
3208
def reinvoke_for_tests(suite):
3209
"""Take suite and start up one runner per CPU using subprocess().
3211
:return: An iterable of TestCase-like objects which can each have
3212
run(result) called on them to feed tests to result.
3214
concurrency = osutils.local_concurrency()
3216
from subunit import ProtocolTestCase
3217
class TestInSubprocess(ProtocolTestCase):
3218
def __init__(self, process, name):
3219
ProtocolTestCase.__init__(self, process.stdout)
3220
self.process = process
3221
self.process.stdin.close()
3224
def run(self, result):
3226
ProtocolTestCase.run(self, result)
3229
os.unlink(self.name)
3230
# print "pid %d finished" % finished_process
3231
test_blocks = partition_tests(suite, concurrency)
3232
for process_tests in test_blocks:
3233
# ugly; currently reimplement rather than reuses TestCase methods.
3234
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
3235
if not os.path.isfile(bzr_path):
3236
# We are probably installed. Assume sys.argv is the right file
3237
bzr_path = sys.argv[0]
3238
bzr_path = [bzr_path]
3239
if sys.platform == "win32":
3240
# if we're on windows, we can't execute the bzr script directly
3241
bzr_path = [sys.executable] + bzr_path
3242
fd, test_list_file_name = tempfile.mkstemp()
3243
test_list_file = os.fdopen(fd, 'wb', 1)
3244
for test in process_tests:
3245
test_list_file.write(test.id() + '\n')
3246
test_list_file.close()
3248
argv = bzr_path + ['selftest', '--load-list', test_list_file_name,
3250
if '--no-plugins' in sys.argv:
3251
argv.append('--no-plugins')
3252
# stderr=STDOUT would be ideal, but until we prevent noise on
3253
# stderr it can interrupt the subunit protocol.
3254
process = Popen(argv, stdin=PIPE, stdout=PIPE, stderr=PIPE,
3256
test = TestInSubprocess(process, test_list_file_name)
3259
os.unlink(test_list_file_name)
3264
class ForwardingResult(unittest.TestResult):
3266
def __init__(self, target):
3267
unittest.TestResult.__init__(self)
3268
self.result = target
3270
def startTest(self, test):
3271
self.result.startTest(test)
3273
def stopTest(self, test):
3274
self.result.stopTest(test)
3276
def startTestRun(self):
3277
self.result.startTestRun()
3279
def stopTestRun(self):
3280
self.result.stopTestRun()
3282
def addSkip(self, test, reason):
3283
self.result.addSkip(test, reason)
3285
def addSuccess(self, test):
3286
self.result.addSuccess(test)
3288
def addError(self, test, err):
3289
self.result.addError(test, err)
3291
def addFailure(self, test, err):
3292
self.result.addFailure(test, err)
3293
ForwardingResult = testtools.ExtendedToOriginalDecorator
3296
class ProfileResult(ForwardingResult):
3297
"""Generate profiling data for all activity between start and success.
3299
The profile data is appended to the test's _benchcalls attribute and can
3300
be accessed by the forwarded-to TestResult.
3302
While it might be cleaner do accumulate this in stopTest, addSuccess is
3303
where our existing output support for lsprof is, and this class aims to
3304
fit in with that: while it could be moved it's not necessary to accomplish
3305
test profiling, nor would it be dramatically cleaner.
3308
def startTest(self, test):
3309
self.profiler = bzrlib.lsprof.BzrProfiler()
3310
self.profiler.start()
3311
ForwardingResult.startTest(self, test)
3313
def addSuccess(self, test):
3314
stats = self.profiler.stop()
3316
calls = test._benchcalls
3317
except AttributeError:
3318
test._benchcalls = []
3319
calls = test._benchcalls
3320
calls.append(((test.id(), "", ""), stats))
3321
ForwardingResult.addSuccess(self, test)
3323
def stopTest(self, test):
3324
ForwardingResult.stopTest(self, test)
3325
self.profiler = None
3328
# Controlled by "bzr selftest -E=..." option
3329
# Currently supported:
3330
# -Eallow_debug Will no longer clear debug.debug_flags() so it
3331
# preserves any flags supplied at the command line.
3332
# -Edisable_lock_checks Turns errors in mismatched locks into simple prints
3333
# rather than failing tests. And no longer raise
3334
# LockContention when fctnl locks are not being used
3335
# with proper exclusion rules.
3336
selftest_debug_flags = set()
3339
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
3341
test_suite_factory=None,
3344
matching_tests_first=None,
3347
exclude_pattern=None,
3353
suite_decorators=None,
3357
"""Run the whole test suite under the enhanced runner"""
3358
# XXX: Very ugly way to do this...
3359
# Disable warning about old formats because we don't want it to disturb
3360
# any blackbox tests.
3361
from bzrlib import repository
3362
repository._deprecation_warning_done = True
3364
global default_transport
3365
if transport is None:
3366
transport = default_transport
3367
old_transport = default_transport
3368
default_transport = transport
3369
global selftest_debug_flags
3370
old_debug_flags = selftest_debug_flags
3371
if debug_flags is not None:
3372
selftest_debug_flags = set(debug_flags)
3374
if load_list is None:
3377
keep_only = load_test_id_list(load_list)
3379
starting_with = [test_prefix_alias_registry.resolve_alias(start)
3380
for start in starting_with]
3381
if test_suite_factory is None:
3382
# Reduce loading time by loading modules based on the starting_with
3384
suite = test_suite(keep_only, starting_with)
3386
suite = test_suite_factory()
3388
# But always filter as requested.
3389
suite = filter_suite_by_id_startswith(suite, starting_with)
3390
result_decorators = []
3392
result_decorators.append(ProfileResult)
3393
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
3394
stop_on_failure=stop_on_failure,
3395
transport=transport,
3396
lsprof_timed=lsprof_timed,
3397
bench_history=bench_history,
3398
matching_tests_first=matching_tests_first,
3399
list_only=list_only,
3400
random_seed=random_seed,
3401
exclude_pattern=exclude_pattern,
3403
runner_class=runner_class,
3404
suite_decorators=suite_decorators,
3406
result_decorators=result_decorators,
3409
default_transport = old_transport
3410
selftest_debug_flags = old_debug_flags
3413
def load_test_id_list(file_name):
3414
"""Load a test id list from a text file.
3416
The format is one test id by line. No special care is taken to impose
3417
strict rules, these test ids are used to filter the test suite so a test id
3418
that do not match an existing test will do no harm. This allows user to add
3419
comments, leave blank lines, etc.
3423
ftest = open(file_name, 'rt')
3425
if e.errno != errno.ENOENT:
3428
raise errors.NoSuchFile(file_name)
3430
for test_name in ftest.readlines():
3431
test_list.append(test_name.strip())
3436
def suite_matches_id_list(test_suite, id_list):
3437
"""Warns about tests not appearing or appearing more than once.
3439
:param test_suite: A TestSuite object.
3440
:param test_id_list: The list of test ids that should be found in
3443
:return: (absents, duplicates) absents is a list containing the test found
3444
in id_list but not in test_suite, duplicates is a list containing the
3445
test found multiple times in test_suite.
3447
When using a prefined test id list, it may occurs that some tests do not
3448
exist anymore or that some tests use the same id. This function warns the
3449
tester about potential problems in his workflow (test lists are volatile)
3450
or in the test suite itself (using the same id for several tests does not
3451
help to localize defects).
3453
# Build a dict counting id occurrences
3455
for test in iter_suite_tests(test_suite):
3457
tests[id] = tests.get(id, 0) + 1
3462
occurs = tests.get(id, 0)
3464
not_found.append(id)
3466
duplicates.append(id)
3468
return not_found, duplicates
3471
class TestIdList(object):
3472
"""Test id list to filter a test suite.
3474
Relying on the assumption that test ids are built as:
3475
<module>[.<class>.<method>][(<param>+)], <module> being in python dotted
3476
notation, this class offers methods to :
3477
- avoid building a test suite for modules not refered to in the test list,
3478
- keep only the tests listed from the module test suite.
3481
def __init__(self, test_id_list):
3482
# When a test suite needs to be filtered against us we compare test ids
3483
# for equality, so a simple dict offers a quick and simple solution.
3484
self.tests = dict().fromkeys(test_id_list, True)
3486
# While unittest.TestCase have ids like:
3487
# <module>.<class>.<method>[(<param+)],
3488
# doctest.DocTestCase can have ids like:
3491
# <module>.<function>
3492
# <module>.<class>.<method>
3494
# Since we can't predict a test class from its name only, we settle on
3495
# a simple constraint: a test id always begins with its module name.
3498
for test_id in test_id_list:
3499
parts = test_id.split('.')
3500
mod_name = parts.pop(0)
3501
modules[mod_name] = True
3503
mod_name += '.' + part
3504
modules[mod_name] = True
3505
self.modules = modules
3507
def refers_to(self, module_name):
3508
"""Is there tests for the module or one of its sub modules."""
3509
return self.modules.has_key(module_name)
3511
def includes(self, test_id):
3512
return self.tests.has_key(test_id)
3515
class TestPrefixAliasRegistry(registry.Registry):
3516
"""A registry for test prefix aliases.
3518
This helps implement shorcuts for the --starting-with selftest
3519
option. Overriding existing prefixes is not allowed but not fatal (a
3520
warning will be emitted).
3523
def register(self, key, obj, help=None, info=None,
3524
override_existing=False):
3525
"""See Registry.register.
3527
Trying to override an existing alias causes a warning to be emitted,
3528
not a fatal execption.
3531
super(TestPrefixAliasRegistry, self).register(
3532
key, obj, help=help, info=info, override_existing=False)
3534
actual = self.get(key)
3535
note('Test prefix alias %s is already used for %s, ignoring %s'
3536
% (key, actual, obj))
3538
def resolve_alias(self, id_start):
3539
"""Replace the alias by the prefix in the given string.
3541
Using an unknown prefix is an error to help catching typos.
3543
parts = id_start.split('.')
3545
parts[0] = self.get(parts[0])
3547
raise errors.BzrCommandError(
3548
'%s is not a known test prefix alias' % parts[0])
3549
return '.'.join(parts)
3552
test_prefix_alias_registry = TestPrefixAliasRegistry()
3553
"""Registry of test prefix aliases."""
3556
# This alias allows to detect typos ('bzrlin.') by making all valid test ids
3557
# appear prefixed ('bzrlib.' is "replaced" by 'bzrlib.').
3558
test_prefix_alias_registry.register('bzrlib', 'bzrlib')
3560
# Obvious higest levels prefixes, feel free to add your own via a plugin
3561
test_prefix_alias_registry.register('bd', 'bzrlib.doc')
3562
test_prefix_alias_registry.register('bu', 'bzrlib.utils')
3563
test_prefix_alias_registry.register('bt', 'bzrlib.tests')
3564
test_prefix_alias_registry.register('bb', 'bzrlib.tests.blackbox')
3565
test_prefix_alias_registry.register('bp', 'bzrlib.plugins')
3568
def _test_suite_testmod_names():
3569
"""Return the standard list of test module names to test."""
3572
'bzrlib.tests.blackbox',
3573
'bzrlib.tests.commands',
3574
'bzrlib.tests.per_branch',
3575
'bzrlib.tests.per_bzrdir',
3576
'bzrlib.tests.per_foreign_vcs',
3577
'bzrlib.tests.per_interrepository',
3578
'bzrlib.tests.per_intertree',
3579
'bzrlib.tests.per_inventory',
3580
'bzrlib.tests.per_interbranch',
3581
'bzrlib.tests.per_lock',
3582
'bzrlib.tests.per_merger',
3583
'bzrlib.tests.per_transport',
3584
'bzrlib.tests.per_tree',
3585
'bzrlib.tests.per_pack_repository',
3586
'bzrlib.tests.per_repository',
3587
'bzrlib.tests.per_repository_chk',
3588
'bzrlib.tests.per_repository_reference',
3589
'bzrlib.tests.per_uifactory',
3590
'bzrlib.tests.per_versionedfile',
3591
'bzrlib.tests.per_workingtree',
3592
'bzrlib.tests.test__annotator',
3593
'bzrlib.tests.test__bencode',
3594
'bzrlib.tests.test__chk_map',
3595
'bzrlib.tests.test__dirstate_helpers',
3596
'bzrlib.tests.test__groupcompress',
3597
'bzrlib.tests.test__known_graph',
3598
'bzrlib.tests.test__rio',
3599
'bzrlib.tests.test__simple_set',
3600
'bzrlib.tests.test__static_tuple',
3601
'bzrlib.tests.test__walkdirs_win32',
3602
'bzrlib.tests.test_ancestry',
3603
'bzrlib.tests.test_annotate',
3604
'bzrlib.tests.test_api',
3605
'bzrlib.tests.test_atomicfile',
3606
'bzrlib.tests.test_bad_files',
3607
'bzrlib.tests.test_bisect_multi',
3608
'bzrlib.tests.test_branch',
3609
'bzrlib.tests.test_branchbuilder',
3610
'bzrlib.tests.test_btree_index',
3611
'bzrlib.tests.test_bugtracker',
3612
'bzrlib.tests.test_bundle',
3613
'bzrlib.tests.test_bzrdir',
3614
'bzrlib.tests.test__chunks_to_lines',
3615
'bzrlib.tests.test_cache_utf8',
3616
'bzrlib.tests.test_chk_map',
3617
'bzrlib.tests.test_chk_serializer',
3618
'bzrlib.tests.test_chunk_writer',
3619
'bzrlib.tests.test_clean_tree',
3620
'bzrlib.tests.test_cleanup',
3621
'bzrlib.tests.test_commands',
3622
'bzrlib.tests.test_commit',
3623
'bzrlib.tests.test_commit_merge',
3624
'bzrlib.tests.test_config',
3625
'bzrlib.tests.test_conflicts',
3626
'bzrlib.tests.test_counted_lock',
3627
'bzrlib.tests.test_crash',
3628
'bzrlib.tests.test_decorators',
3629
'bzrlib.tests.test_delta',
3630
'bzrlib.tests.test_debug',
3631
'bzrlib.tests.test_deprecated_graph',
3632
'bzrlib.tests.test_diff',
3633
'bzrlib.tests.test_directory_service',
3634
'bzrlib.tests.test_dirstate',
3635
'bzrlib.tests.test_email_message',
3636
'bzrlib.tests.test_eol_filters',
3637
'bzrlib.tests.test_errors',
3638
'bzrlib.tests.test_export',
3639
'bzrlib.tests.test_extract',
3640
'bzrlib.tests.test_fetch',
3641
'bzrlib.tests.test_fifo_cache',
3642
'bzrlib.tests.test_filters',
3643
'bzrlib.tests.test_ftp_transport',
3644
'bzrlib.tests.test_foreign',
3645
'bzrlib.tests.test_generate_docs',
3646
'bzrlib.tests.test_generate_ids',
3647
'bzrlib.tests.test_globbing',
3648
'bzrlib.tests.test_gpg',
3649
'bzrlib.tests.test_graph',
3650
'bzrlib.tests.test_groupcompress',
3651
'bzrlib.tests.test_hashcache',
3652
'bzrlib.tests.test_help',
3653
'bzrlib.tests.test_hooks',
3654
'bzrlib.tests.test_http',
3655
'bzrlib.tests.test_http_response',
3656
'bzrlib.tests.test_https_ca_bundle',
3657
'bzrlib.tests.test_identitymap',
3658
'bzrlib.tests.test_ignores',
3659
'bzrlib.tests.test_index',
3660
'bzrlib.tests.test_info',
3661
'bzrlib.tests.test_inv',
3662
'bzrlib.tests.test_inventory_delta',
3663
'bzrlib.tests.test_knit',
3664
'bzrlib.tests.test_lazy_import',
3665
'bzrlib.tests.test_lazy_regex',
3666
'bzrlib.tests.test_lock',
3667
'bzrlib.tests.test_lockable_files',
3668
'bzrlib.tests.test_lockdir',
3669
'bzrlib.tests.test_log',
3670
'bzrlib.tests.test_lru_cache',
3671
'bzrlib.tests.test_lsprof',
3672
'bzrlib.tests.test_mail_client',
3673
'bzrlib.tests.test_memorytree',
3674
'bzrlib.tests.test_merge',
3675
'bzrlib.tests.test_merge3',
3676
'bzrlib.tests.test_merge_core',
3677
'bzrlib.tests.test_merge_directive',
3678
'bzrlib.tests.test_missing',
3679
'bzrlib.tests.test_msgeditor',
3680
'bzrlib.tests.test_multiparent',
3681
'bzrlib.tests.test_mutabletree',
3682
'bzrlib.tests.test_nonascii',
3683
'bzrlib.tests.test_options',
3684
'bzrlib.tests.test_osutils',
3685
'bzrlib.tests.test_osutils_encodings',
3686
'bzrlib.tests.test_pack',
3687
'bzrlib.tests.test_patch',
3688
'bzrlib.tests.test_patches',
3689
'bzrlib.tests.test_permissions',
3690
'bzrlib.tests.test_plugins',
3691
'bzrlib.tests.test_progress',
3692
'bzrlib.tests.test_read_bundle',
3693
'bzrlib.tests.test_reconcile',
3694
'bzrlib.tests.test_reconfigure',
3695
'bzrlib.tests.test_registry',
3696
'bzrlib.tests.test_remote',
3697
'bzrlib.tests.test_rename_map',
3698
'bzrlib.tests.test_repository',
3699
'bzrlib.tests.test_revert',
3700
'bzrlib.tests.test_revision',
3701
'bzrlib.tests.test_revisionspec',
3702
'bzrlib.tests.test_revisiontree',
3703
'bzrlib.tests.test_rio',
3704
'bzrlib.tests.test_rules',
3705
'bzrlib.tests.test_sampler',
3706
'bzrlib.tests.test_script',
3707
'bzrlib.tests.test_selftest',
3708
'bzrlib.tests.test_serializer',
3709
'bzrlib.tests.test_setup',
3710
'bzrlib.tests.test_sftp_transport',
3711
'bzrlib.tests.test_shelf',
3712
'bzrlib.tests.test_shelf_ui',
3713
'bzrlib.tests.test_smart',
3714
'bzrlib.tests.test_smart_add',
3715
'bzrlib.tests.test_smart_request',
3716
'bzrlib.tests.test_smart_transport',
3717
'bzrlib.tests.test_smtp_connection',
3718
'bzrlib.tests.test_source',
3719
'bzrlib.tests.test_ssh_transport',
3720
'bzrlib.tests.test_status',
3721
'bzrlib.tests.test_store',
3722
'bzrlib.tests.test_strace',
3723
'bzrlib.tests.test_subsume',
3724
'bzrlib.tests.test_switch',
3725
'bzrlib.tests.test_symbol_versioning',
3726
'bzrlib.tests.test_tag',
3727
'bzrlib.tests.test_testament',
3728
'bzrlib.tests.test_textfile',
3729
'bzrlib.tests.test_textmerge',
3730
'bzrlib.tests.test_timestamp',
3731
'bzrlib.tests.test_trace',
3732
'bzrlib.tests.test_transactions',
3733
'bzrlib.tests.test_transform',
3734
'bzrlib.tests.test_transport',
3735
'bzrlib.tests.test_transport_log',
3736
'bzrlib.tests.test_tree',
3737
'bzrlib.tests.test_treebuilder',
3738
'bzrlib.tests.test_tsort',
3739
'bzrlib.tests.test_tuned_gzip',
3740
'bzrlib.tests.test_ui',
3741
'bzrlib.tests.test_uncommit',
3742
'bzrlib.tests.test_upgrade',
3743
'bzrlib.tests.test_upgrade_stacked',
3744
'bzrlib.tests.test_urlutils',
3745
'bzrlib.tests.test_version',
3746
'bzrlib.tests.test_version_info',
3747
'bzrlib.tests.test_weave',
3748
'bzrlib.tests.test_whitebox',
3749
'bzrlib.tests.test_win32utils',
3750
'bzrlib.tests.test_workingtree',
3751
'bzrlib.tests.test_workingtree_4',
3752
'bzrlib.tests.test_wsgi',
3753
'bzrlib.tests.test_xml',
3757
def _test_suite_modules_to_doctest():
3758
"""Return the list of modules to doctest."""
3761
'bzrlib.branchbuilder',
3762
'bzrlib.decorators',
3765
'bzrlib.iterablefile',
3769
'bzrlib.symbol_versioning',
3772
'bzrlib.version_info_formats.format_custom',
3776
def test_suite(keep_only=None, starting_with=None):
3777
"""Build and return TestSuite for the whole of bzrlib.
3779
:param keep_only: A list of test ids limiting the suite returned.
3781
:param starting_with: An id limiting the suite returned to the tests
3784
This function can be replaced if you need to change the default test
3785
suite on a global basis, but it is not encouraged.
3788
loader = TestUtil.TestLoader()
3790
if keep_only is not None:
3791
id_filter = TestIdList(keep_only)
3793
# We take precedence over keep_only because *at loading time* using
3794
# both options means we will load less tests for the same final result.
3795
def interesting_module(name):
3796
for start in starting_with:
3798
# Either the module name starts with the specified string
3799
name.startswith(start)
3800
# or it may contain tests starting with the specified string
3801
or start.startswith(name)
3805
loader = TestUtil.FilteredByModuleTestLoader(interesting_module)
3807
elif keep_only is not None:
3808
loader = TestUtil.FilteredByModuleTestLoader(id_filter.refers_to)
3809
def interesting_module(name):
3810
return id_filter.refers_to(name)
3813
loader = TestUtil.TestLoader()
3814
def interesting_module(name):
3815
# No filtering, all modules are interesting
3818
suite = loader.suiteClass()
3820
# modules building their suite with loadTestsFromModuleNames
3821
suite.addTest(loader.loadTestsFromModuleNames(_test_suite_testmod_names()))
3823
for mod in _test_suite_modules_to_doctest():
3824
if not interesting_module(mod):
3825
# No tests to keep here, move along
3828
# note that this really does mean "report only" -- doctest
3829
# still runs the rest of the examples
3830
doc_suite = doctest.DocTestSuite(mod,
3831
optionflags=doctest.REPORT_ONLY_FIRST_FAILURE)
3832
except ValueError, e:
3833
print '**failed to get doctest for: %s\n%s' % (mod, e)
3835
if len(doc_suite._tests) == 0:
3836
raise errors.BzrError("no doctests found in %s" % (mod,))
3837
suite.addTest(doc_suite)
3839
default_encoding = sys.getdefaultencoding()
3840
for name, plugin in bzrlib.plugin.plugins().items():
3841
if not interesting_module(plugin.module.__name__):
3843
plugin_suite = plugin.test_suite()
3844
# We used to catch ImportError here and turn it into just a warning,
3845
# but really if you don't have --no-plugins this should be a failure.
3846
# mbp 20080213 - see http://bugs.launchpad.net/bugs/189771
3847
if plugin_suite is None:
3848
plugin_suite = plugin.load_plugin_tests(loader)
3849
if plugin_suite is not None:
3850
suite.addTest(plugin_suite)
3851
if default_encoding != sys.getdefaultencoding():
3852
bzrlib.trace.warning(
3853
'Plugin "%s" tried to reset default encoding to: %s', name,
3854
sys.getdefaultencoding())
3856
sys.setdefaultencoding(default_encoding)
3858
if keep_only is not None:
3859
# Now that the referred modules have loaded their tests, keep only the
3861
suite = filter_suite_by_id_list(suite, id_filter)
3862
# Do some sanity checks on the id_list filtering
3863
not_found, duplicates = suite_matches_id_list(suite, keep_only)
3865
# The tester has used both keep_only and starting_with, so he is
3866
# already aware that some tests are excluded from the list, there
3867
# is no need to tell him which.
3870
# Some tests mentioned in the list are not in the test suite. The
3871
# list may be out of date, report to the tester.
3872
for id in not_found:
3873
bzrlib.trace.warning('"%s" not found in the test suite', id)
3874
for id in duplicates:
3875
bzrlib.trace.warning('"%s" is used as an id by several tests', id)
3880
def multiply_scenarios(scenarios_left, scenarios_right):
3881
"""Multiply two sets of scenarios.
3883
:returns: the cartesian product of the two sets of scenarios, that is
3884
a scenario for every possible combination of a left scenario and a
3888
('%s,%s' % (left_name, right_name),
3889
dict(left_dict.items() + right_dict.items()))
3890
for left_name, left_dict in scenarios_left
3891
for right_name, right_dict in scenarios_right]
3894
def multiply_tests(tests, scenarios, result):
3895
"""Multiply tests_list by scenarios into result.
3897
This is the core workhorse for test parameterisation.
3899
Typically the load_tests() method for a per-implementation test suite will
3900
call multiply_tests and return the result.
3902
:param tests: The tests to parameterise.
3903
:param scenarios: The scenarios to apply: pairs of (scenario_name,
3904
scenario_param_dict).
3905
:param result: A TestSuite to add created tests to.
3907
This returns the passed in result TestSuite with the cross product of all
3908
the tests repeated once for each scenario. Each test is adapted by adding
3909
the scenario name at the end of its id(), and updating the test object's
3910
__dict__ with the scenario_param_dict.
3912
>>> import bzrlib.tests.test_sampler
3913
>>> r = multiply_tests(
3914
... bzrlib.tests.test_sampler.DemoTest('test_nothing'),
3915
... [('one', dict(param=1)),
3916
... ('two', dict(param=2))],
3918
>>> tests = list(iter_suite_tests(r))
3922
'bzrlib.tests.test_sampler.DemoTest.test_nothing(one)'
3928
for test in iter_suite_tests(tests):
3929
apply_scenarios(test, scenarios, result)
3933
def apply_scenarios(test, scenarios, result):
3934
"""Apply the scenarios in scenarios to test and add to result.
3936
:param test: The test to apply scenarios to.
3937
:param scenarios: An iterable of scenarios to apply to test.
3939
:seealso: apply_scenario
3941
for scenario in scenarios:
3942
result.addTest(apply_scenario(test, scenario))
3946
def apply_scenario(test, scenario):
3947
"""Copy test and apply scenario to it.
3949
:param test: A test to adapt.
3950
:param scenario: A tuple describing the scenarion.
3951
The first element of the tuple is the new test id.
3952
The second element is a dict containing attributes to set on the
3954
:return: The adapted test.
3956
new_id = "%s(%s)" % (test.id(), scenario[0])
3957
new_test = clone_test(test, new_id)
3958
for name, value in scenario[1].items():
3959
setattr(new_test, name, value)
3963
def clone_test(test, new_id):
3964
"""Clone a test giving it a new id.
3966
:param test: The test to clone.
3967
:param new_id: The id to assign to it.
3968
:return: The new test.
3970
new_test = copy(test)
3971
new_test.id = lambda: new_id
3975
def permute_tests_for_extension(standard_tests, loader, py_module_name,
3977
"""Helper for permutating tests against an extension module.
3979
This is meant to be used inside a modules 'load_tests()' function. It will
3980
create 2 scenarios, and cause all tests in the 'standard_tests' to be run
3981
against both implementations. Setting 'test.module' to the appropriate
3982
module. See bzrlib.tests.test__chk_map.load_tests as an example.
3984
:param standard_tests: A test suite to permute
3985
:param loader: A TestLoader
3986
:param py_module_name: The python path to a python module that can always
3987
be loaded, and will be considered the 'python' implementation. (eg
3988
'bzrlib._chk_map_py')
3989
:param ext_module_name: The python path to an extension module. If the
3990
module cannot be loaded, a single test will be added, which notes that
3991
the module is not available. If it can be loaded, all standard_tests
3992
will be run against that module.
3993
:return: (suite, feature) suite is a test-suite that has all the permuted
3994
tests. feature is the Feature object that can be used to determine if
3995
the module is available.
3998
py_module = __import__(py_module_name, {}, {}, ['NO_SUCH_ATTRIB'])
4000
('python', {'module': py_module}),
4002
suite = loader.suiteClass()
4003
feature = ModuleAvailableFeature(ext_module_name)
4004
if feature.available():
4005
scenarios.append(('C', {'module': feature.module}))
4007
# the compiled module isn't available, so we add a failing test
4008
class FailWithoutFeature(TestCase):
4009
def test_fail(self):
4010
self.requireFeature(feature)
4011
suite.addTest(loader.loadTestsFromTestCase(FailWithoutFeature))
4012
result = multiply_tests(standard_tests, scenarios, suite)
4013
return result, feature
4016
def _rmtree_temp_dir(dirname, test_id=None):
4017
# If LANG=C we probably have created some bogus paths
4018
# which rmtree(unicode) will fail to delete
4019
# so make sure we are using rmtree(str) to delete everything
4020
# except on win32, where rmtree(str) will fail
4021
# since it doesn't have the property of byte-stream paths
4022
# (they are either ascii or mbcs)
4023
if sys.platform == 'win32':
4024
# make sure we are using the unicode win32 api
4025
dirname = unicode(dirname)
4027
dirname = dirname.encode(sys.getfilesystemencoding())
4029
osutils.rmtree(dirname)
4031
# We don't want to fail here because some useful display will be lost
4032
# otherwise. Polluting the tmp dir is bad, but not giving all the
4033
# possible info to the test runner is even worse.
4035
ui.ui_factory.clear_term()
4036
sys.stderr.write('\nWhile running: %s\n' % (test_id,))
4037
sys.stderr.write('Unable to remove testing dir %s\n%s'
4038
% (os.path.basename(dirname), e))
4041
class Feature(object):
4042
"""An operating system Feature."""
4045
self._available = None
4047
def available(self):
4048
"""Is the feature available?
4050
:return: True if the feature is available.
4052
if self._available is None:
4053
self._available = self._probe()
4054
return self._available
4057
"""Implement this method in concrete features.
4059
:return: True if the feature is available.
4061
raise NotImplementedError
4064
if getattr(self, 'feature_name', None):
4065
return self.feature_name()
4066
return self.__class__.__name__
4069
class _SymlinkFeature(Feature):
4072
return osutils.has_symlinks()
4074
def feature_name(self):
4077
SymlinkFeature = _SymlinkFeature()
4080
class _HardlinkFeature(Feature):
4083
return osutils.has_hardlinks()
4085
def feature_name(self):
4088
HardlinkFeature = _HardlinkFeature()
4091
class _OsFifoFeature(Feature):
4094
return getattr(os, 'mkfifo', None)
4096
def feature_name(self):
4097
return 'filesystem fifos'
4099
OsFifoFeature = _OsFifoFeature()
4102
class _UnicodeFilenameFeature(Feature):
4103
"""Does the filesystem support Unicode filenames?"""
4107
# Check for character combinations unlikely to be covered by any
4108
# single non-unicode encoding. We use the characters
4109
# - greek small letter alpha (U+03B1) and
4110
# - braille pattern dots-123456 (U+283F).
4111
os.stat(u'\u03b1\u283f')
4112
except UnicodeEncodeError:
4114
except (IOError, OSError):
4115
# The filesystem allows the Unicode filename but the file doesn't
4119
# The filesystem allows the Unicode filename and the file exists,
4123
UnicodeFilenameFeature = _UnicodeFilenameFeature()
4126
class _CompatabilityThunkFeature(Feature):
4127
"""This feature is just a thunk to another feature.
4129
It issues a deprecation warning if it is accessed, to let you know that you
4130
should really use a different feature.
4133
def __init__(self, module, name, this_name, dep_version):
4134
super(_CompatabilityThunkFeature, self).__init__()
4135
self._module = module
4137
self._this_name = this_name
4138
self._dep_version = dep_version
4139
self._feature = None
4142
if self._feature is None:
4143
msg = (self._dep_version % self._this_name) + (
4144
' Use %s.%s instead.' % (self._module, self._name))
4145
symbol_versioning.warn(msg, DeprecationWarning)
4146
mod = __import__(self._module, {}, {}, [self._name])
4147
self._feature = getattr(mod, self._name)
4151
return self._feature._probe()
4154
class ModuleAvailableFeature(Feature):
4155
"""This is a feature than describes a module we want to be available.
4157
Declare the name of the module in __init__(), and then after probing, the
4158
module will be available as 'self.module'.
4160
:ivar module: The module if it is available, else None.
4163
def __init__(self, module_name):
4164
super(ModuleAvailableFeature, self).__init__()
4165
self.module_name = module_name
4169
self._module = __import__(self.module_name, {}, {}, [''])
4176
if self.available(): # Make sure the probe has been done
4180
def feature_name(self):
4181
return self.module_name
4184
# This is kept here for compatibility, it is recommended to use
4185
# 'bzrlib.tests.feature.paramiko' instead
4186
ParamikoFeature = _CompatabilityThunkFeature('bzrlib.tests.features',
4187
'paramiko', 'bzrlib.tests.ParamikoFeature', deprecated_in((2,1,0)))
4190
def probe_unicode_in_user_encoding():
4191
"""Try to encode several unicode strings to use in unicode-aware tests.
4192
Return first successfull match.
4194
:return: (unicode value, encoded plain string value) or (None, None)
4196
possible_vals = [u'm\xb5', u'\xe1', u'\u0410']
4197
for uni_val in possible_vals:
4199
str_val = uni_val.encode(osutils.get_user_encoding())
4200
except UnicodeEncodeError:
4201
# Try a different character
4204
return uni_val, str_val
4208
def probe_bad_non_ascii(encoding):
4209
"""Try to find [bad] character with code [128..255]
4210
that cannot be decoded to unicode in some encoding.
4211
Return None if all non-ascii characters is valid
4214
for i in xrange(128, 256):
4217
char.decode(encoding)
4218
except UnicodeDecodeError:
4223
class _HTTPSServerFeature(Feature):
4224
"""Some tests want an https Server, check if one is available.
4226
Right now, the only way this is available is under python2.6 which provides
4237
def feature_name(self):
4238
return 'HTTPSServer'
4241
HTTPSServerFeature = _HTTPSServerFeature()
4244
class _UnicodeFilename(Feature):
4245
"""Does the filesystem support Unicode filenames?"""
4250
except UnicodeEncodeError:
4252
except (IOError, OSError):
4253
# The filesystem allows the Unicode filename but the file doesn't
4257
# The filesystem allows the Unicode filename and the file exists,
4261
UnicodeFilename = _UnicodeFilename()
4264
class _UTF8Filesystem(Feature):
4265
"""Is the filesystem UTF-8?"""
4268
if osutils._fs_enc.upper() in ('UTF-8', 'UTF8'):
4272
UTF8Filesystem = _UTF8Filesystem()
4275
class _BreakinFeature(Feature):
4276
"""Does this platform support the breakin feature?"""
4279
from bzrlib import breakin
4280
if breakin.determine_signal() is None:
4282
if sys.platform == 'win32':
4283
# Windows doesn't have os.kill, and we catch the SIGBREAK signal.
4284
# We trigger SIGBREAK via a Console api so we need ctypes to
4285
# access the function
4292
def feature_name(self):
4293
return "SIGQUIT or SIGBREAK w/ctypes on win32"
4296
BreakinFeature = _BreakinFeature()
4299
class _CaseInsCasePresFilenameFeature(Feature):
4300
"""Is the file-system case insensitive, but case-preserving?"""
4303
fileno, name = tempfile.mkstemp(prefix='MixedCase')
4305
# first check truly case-preserving for created files, then check
4306
# case insensitive when opening existing files.
4307
name = osutils.normpath(name)
4308
base, rel = osutils.split(name)
4309
found_rel = osutils.canonical_relpath(base, name)
4310
return (found_rel == rel
4311
and os.path.isfile(name.upper())
4312
and os.path.isfile(name.lower()))
4317
def feature_name(self):
4318
return "case-insensitive case-preserving filesystem"
4320
CaseInsCasePresFilenameFeature = _CaseInsCasePresFilenameFeature()
4323
class _CaseInsensitiveFilesystemFeature(Feature):
4324
"""Check if underlying filesystem is case-insensitive but *not* case
4327
# Note that on Windows, Cygwin, MacOS etc, the file-systems are far
4328
# more likely to be case preserving, so this case is rare.
4331
if CaseInsCasePresFilenameFeature.available():
4334
if TestCaseWithMemoryTransport.TEST_ROOT is None:
4335
root = osutils.mkdtemp(prefix='testbzr-', suffix='.tmp')
4336
TestCaseWithMemoryTransport.TEST_ROOT = root
4338
root = TestCaseWithMemoryTransport.TEST_ROOT
4339
tdir = osutils.mkdtemp(prefix='case-sensitive-probe-', suffix='',
4341
name_a = osutils.pathjoin(tdir, 'a')
4342
name_A = osutils.pathjoin(tdir, 'A')
4344
result = osutils.isdir(name_A)
4345
_rmtree_temp_dir(tdir)
4348
def feature_name(self):
4349
return 'case-insensitive filesystem'
4351
CaseInsensitiveFilesystemFeature = _CaseInsensitiveFilesystemFeature()
4354
# Kept for compatibility, use bzrlib.tests.features.subunit instead
4355
SubUnitFeature = _CompatabilityThunkFeature('bzrlib.tests.features', 'subunit',
4356
'bzrlib.tests.SubUnitFeature', deprecated_in((2,1,0)))
4357
# Only define SubUnitBzrRunner if subunit is available.
4359
from subunit import TestProtocolClient
4360
from subunit.test_results import AutoTimingTestResultDecorator
4361
class SubUnitBzrRunner(TextTestRunner):
4362
def run(self, test):
4363
result = AutoTimingTestResultDecorator(
4364
TestProtocolClient(self.stream))
added
removed
bzrlib/tests/__init__.py
