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# Copyright (C) 2005, 2006 by 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 version 2 as published by
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# the Free Software Foundation.
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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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"""Tests for the test framework."""
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from StringIO import StringIO
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from bzrlib.progress import _BaseProgressBar
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from bzrlib.tests import (
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TestCaseWithTransport,
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from bzrlib.tests.TestUtil import _load_module_by_name
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import bzrlib.errors as errors
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from bzrlib.trace import note
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class SelftestTests(TestCase):
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def test_import_tests(self):
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mod = _load_module_by_name('bzrlib.tests.test_selftest')
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self.assertEqual(mod.SelftestTests, SelftestTests)
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def test_import_test_failure(self):
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self.assertRaises(ImportError,
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class MetaTestLog(TestCase):
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def test_logging(self):
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"""Test logs are captured when a test fails."""
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self.log('a test message')
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self._log_file.flush()
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self.assertContainsRe(self._get_log(), 'a test message\n')
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class TestTreeShape(TestCaseInTempDir):
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def test_unicode_paths(self):
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filename = u'hell\u00d8'
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self.build_tree_contents([(filename, 'contents of hello')])
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except UnicodeEncodeError:
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raise TestSkipped("can't build unicode working tree in "
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"filesystem encoding %s" % sys.getfilesystemencoding())
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self.failUnlessExists(filename)
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class TestTransportProviderAdapter(TestCase):
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"""A group of tests that test the transport implementation adaption core.
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This is a meta test that the tests are applied to all available
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This will be generalised in the future which is why it is in this
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test file even though it is specific to transport tests at the moment.
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def test_get_transport_permutations(self):
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# this checks that we the module get_test_permutations call
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# is made by the adapter get_transport_test_permitations method.
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class MockModule(object):
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def get_test_permutations(self):
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return sample_permutation
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sample_permutation = [(1,2), (3,4)]
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from bzrlib.transport import TransportTestProviderAdapter
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adapter = TransportTestProviderAdapter()
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self.assertEqual(sample_permutation,
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adapter.get_transport_test_permutations(MockModule()))
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def test_adapter_checks_all_modules(self):
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# this checks that the adapter returns as many permurtations as
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# there are in all the registered# transport modules for there
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# - we assume if this matches its probably doing the right thing
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# especially in combination with the tests for setting the right
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from bzrlib.transport import (TransportTestProviderAdapter,
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_get_transport_modules
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modules = _get_transport_modules()
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permutation_count = 0
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for module in modules:
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permutation_count += len(reduce(getattr,
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(module + ".get_test_permutations").split('.')[1:],
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__import__(module))())
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except errors.DependencyNotPresent:
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input_test = TestTransportProviderAdapter(
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"test_adapter_sets_transport_class")
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adapter = TransportTestProviderAdapter()
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self.assertEqual(permutation_count,
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len(list(iter(adapter.adapt(input_test)))))
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def test_adapter_sets_transport_class(self):
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# Check that the test adapter inserts a transport and server into the
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# This test used to know about all the possible transports and the
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# order they were returned but that seems overly brittle (mbp
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input_test = TestTransportProviderAdapter(
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"test_adapter_sets_transport_class")
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from bzrlib.transport import TransportTestProviderAdapter
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suite = TransportTestProviderAdapter().adapt(input_test)
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tests = list(iter(suite))
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self.assertTrue(len(tests) > 6)
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# there are at least that many builtin transports
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self.assertTrue(issubclass(one_test.transport_class,
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bzrlib.transport.Transport))
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self.assertTrue(issubclass(one_test.transport_server,
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bzrlib.transport.Server))
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class TestBranchProviderAdapter(TestCase):
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"""A group of tests that test the branch implementation test adapter."""
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def test_adapted_tests(self):
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# check that constructor parameters are passed through to the adapted
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from bzrlib.branch import BranchTestProviderAdapter
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input_test = TestBranchProviderAdapter(
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"test_adapted_tests")
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formats = [("c", "C"), ("d", "D")]
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adapter = BranchTestProviderAdapter(server1, server2, formats)
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suite = adapter.adapt(input_test)
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tests = list(iter(suite))
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self.assertEqual(2, len(tests))
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self.assertEqual(tests[0].branch_format, formats[0][0])
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self.assertEqual(tests[0].bzrdir_format, formats[0][1])
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self.assertEqual(tests[0].transport_server, server1)
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self.assertEqual(tests[0].transport_readonly_server, server2)
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self.assertEqual(tests[1].branch_format, formats[1][0])
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self.assertEqual(tests[1].bzrdir_format, formats[1][1])
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self.assertEqual(tests[1].transport_server, server1)
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self.assertEqual(tests[1].transport_readonly_server, server2)
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class TestBzrDirProviderAdapter(TestCase):
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"""A group of tests that test the bzr dir implementation test adapter."""
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def test_adapted_tests(self):
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# check that constructor parameters are passed through to the adapted
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from bzrlib.bzrdir import BzrDirTestProviderAdapter
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input_test = TestBzrDirProviderAdapter(
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"test_adapted_tests")
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adapter = BzrDirTestProviderAdapter(server1, server2, formats)
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suite = adapter.adapt(input_test)
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tests = list(iter(suite))
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self.assertEqual(2, len(tests))
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self.assertEqual(tests[0].bzrdir_format, formats[0])
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self.assertEqual(tests[0].transport_server, server1)
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self.assertEqual(tests[0].transport_readonly_server, server2)
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self.assertEqual(tests[1].bzrdir_format, formats[1])
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self.assertEqual(tests[1].transport_server, server1)
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self.assertEqual(tests[1].transport_readonly_server, server2)
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class TestRepositoryProviderAdapter(TestCase):
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"""A group of tests that test the repository implementation test adapter."""
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def test_adapted_tests(self):
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# check that constructor parameters are passed through to the adapted
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from bzrlib.repository import RepositoryTestProviderAdapter
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input_test = TestRepositoryProviderAdapter(
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"test_adapted_tests")
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formats = [("c", "C"), ("d", "D")]
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adapter = RepositoryTestProviderAdapter(server1, server2, formats)
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suite = adapter.adapt(input_test)
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tests = list(iter(suite))
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self.assertEqual(2, len(tests))
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self.assertEqual(tests[0].bzrdir_format, formats[0][1])
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self.assertEqual(tests[0].repository_format, formats[0][0])
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self.assertEqual(tests[0].transport_server, server1)
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self.assertEqual(tests[0].transport_readonly_server, server2)
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self.assertEqual(tests[1].bzrdir_format, formats[1][1])
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self.assertEqual(tests[1].repository_format, formats[1][0])
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self.assertEqual(tests[1].transport_server, server1)
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self.assertEqual(tests[1].transport_readonly_server, server2)
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class TestInterRepositoryProviderAdapter(TestCase):
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"""A group of tests that test the InterRepository test adapter."""
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def test_adapted_tests(self):
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# check that constructor parameters are passed through to the adapted
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from bzrlib.repository import InterRepositoryTestProviderAdapter
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input_test = TestInterRepositoryProviderAdapter(
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"test_adapted_tests")
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formats = [(str, "C1", "C2"), (int, "D1", "D2")]
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adapter = InterRepositoryTestProviderAdapter(server1, server2, formats)
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suite = adapter.adapt(input_test)
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tests = list(iter(suite))
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self.assertEqual(2, len(tests))
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self.assertEqual(tests[0].interrepo_class, formats[0][0])
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self.assertEqual(tests[0].repository_format, formats[0][1])
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self.assertEqual(tests[0].repository_format_to, formats[0][2])
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self.assertEqual(tests[0].transport_server, server1)
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self.assertEqual(tests[0].transport_readonly_server, server2)
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self.assertEqual(tests[1].interrepo_class, formats[1][0])
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self.assertEqual(tests[1].repository_format, formats[1][1])
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self.assertEqual(tests[1].repository_format_to, formats[1][2])
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self.assertEqual(tests[1].transport_server, server1)
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self.assertEqual(tests[1].transport_readonly_server, server2)
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class TestInterVersionedFileProviderAdapter(TestCase):
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"""A group of tests that test the InterVersionedFile test adapter."""
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def test_adapted_tests(self):
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# check that constructor parameters are passed through to the adapted
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from bzrlib.versionedfile import InterVersionedFileTestProviderAdapter
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input_test = TestInterRepositoryProviderAdapter(
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"test_adapted_tests")
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formats = [(str, "C1", "C2"), (int, "D1", "D2")]
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adapter = InterVersionedFileTestProviderAdapter(server1, server2, formats)
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suite = adapter.adapt(input_test)
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tests = list(iter(suite))
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self.assertEqual(2, len(tests))
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self.assertEqual(tests[0].interversionedfile_class, formats[0][0])
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self.assertEqual(tests[0].versionedfile_factory, formats[0][1])
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self.assertEqual(tests[0].versionedfile_factory_to, formats[0][2])
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self.assertEqual(tests[0].transport_server, server1)
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self.assertEqual(tests[0].transport_readonly_server, server2)
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self.assertEqual(tests[1].interversionedfile_class, formats[1][0])
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self.assertEqual(tests[1].versionedfile_factory, formats[1][1])
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self.assertEqual(tests[1].versionedfile_factory_to, formats[1][2])
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self.assertEqual(tests[1].transport_server, server1)
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self.assertEqual(tests[1].transport_readonly_server, server2)
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class TestRevisionStoreProviderAdapter(TestCase):
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"""A group of tests that test the RevisionStore test adapter."""
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def test_adapted_tests(self):
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# check that constructor parameters are passed through to the adapted
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from bzrlib.store.revision import RevisionStoreTestProviderAdapter
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input_test = TestRevisionStoreProviderAdapter(
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"test_adapted_tests")
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# revision stores need a store factory - i.e. RevisionKnit
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#, a readonly and rw transport
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store_factories = ["c", "d"]
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adapter = RevisionStoreTestProviderAdapter(server1, server2, store_factories)
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suite = adapter.adapt(input_test)
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tests = list(iter(suite))
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self.assertEqual(2, len(tests))
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self.assertEqual(tests[0].store_factory, store_factories[0][0])
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self.assertEqual(tests[0].transport_server, server1)
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self.assertEqual(tests[0].transport_readonly_server, server2)
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self.assertEqual(tests[1].store_factory, store_factories[1][0])
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self.assertEqual(tests[1].transport_server, server1)
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self.assertEqual(tests[1].transport_readonly_server, server2)
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class TestWorkingTreeProviderAdapter(TestCase):
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"""A group of tests that test the workingtree implementation test adapter."""
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def test_adapted_tests(self):
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# check that constructor parameters are passed through to the adapted
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from bzrlib.workingtree import WorkingTreeTestProviderAdapter
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input_test = TestWorkingTreeProviderAdapter(
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"test_adapted_tests")
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formats = [("c", "C"), ("d", "D")]
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adapter = WorkingTreeTestProviderAdapter(server1, server2, formats)
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suite = adapter.adapt(input_test)
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tests = list(iter(suite))
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self.assertEqual(2, len(tests))
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self.assertEqual(tests[0].workingtree_format, formats[0][0])
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self.assertEqual(tests[0].bzrdir_format, formats[0][1])
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self.assertEqual(tests[0].transport_server, server1)
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self.assertEqual(tests[0].transport_readonly_server, server2)
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self.assertEqual(tests[1].workingtree_format, formats[1][0])
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self.assertEqual(tests[1].bzrdir_format, formats[1][1])
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self.assertEqual(tests[1].transport_server, server1)
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self.assertEqual(tests[1].transport_readonly_server, server2)
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class TestTestCaseWithTransport(TestCaseWithTransport):
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"""Tests for the convenience functions TestCaseWithTransport introduces."""
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def test_get_readonly_url_none(self):
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from bzrlib.transport import get_transport
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from bzrlib.transport.memory import MemoryServer
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from bzrlib.transport.readonly import ReadonlyTransportDecorator
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self.transport_server = MemoryServer
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self.transport_readonly_server = None
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# calling get_readonly_transport() constructs a decorator on the url
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url = self.get_readonly_url()
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url2 = self.get_readonly_url('foo/bar')
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t = get_transport(url)
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t2 = get_transport(url2)
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self.failUnless(isinstance(t, ReadonlyTransportDecorator))
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self.failUnless(isinstance(t2, ReadonlyTransportDecorator))
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self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
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def test_get_readonly_url_http(self):
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from bzrlib.transport import get_transport
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from bzrlib.transport.local import LocalRelpathServer
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from bzrlib.transport.http import HttpServer, HttpTransportBase
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self.transport_server = LocalRelpathServer
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self.transport_readonly_server = HttpServer
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# calling get_readonly_transport() gives us a HTTP server instance.
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url = self.get_readonly_url()
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url2 = self.get_readonly_url('foo/bar')
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# the transport returned may be any HttpTransportBase subclass
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t = get_transport(url)
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t2 = get_transport(url2)
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self.failUnless(isinstance(t, HttpTransportBase))
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self.failUnless(isinstance(t2, HttpTransportBase))
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self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
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def test_is_directory(self):
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"""Test assertIsDirectory assertion"""
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t = self.get_transport()
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self.build_tree(['a_dir/', 'a_file'], transport=t)
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self.assertIsDirectory('a_dir', t)
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self.assertRaises(AssertionError, self.assertIsDirectory, 'a_file', t)
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self.assertRaises(AssertionError, self.assertIsDirectory, 'not_here', t)
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class TestChrootedTest(ChrootedTestCase):
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def test_root_is_root(self):
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from bzrlib.transport import get_transport
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t = get_transport(self.get_readonly_url())
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self.assertEqual(url, t.clone('..').base)
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class MockProgress(_BaseProgressBar):
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"""Progress-bar standin that records calls.
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Useful for testing pb using code.
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_BaseProgressBar.__init__(self)
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self.calls.append(('tick',))
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def update(self, msg=None, current=None, total=None):
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self.calls.append(('update', msg, current, total))
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self.calls.append(('clear',))
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class TestTestResult(TestCase):
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def test_progress_bar_style_quiet(self):
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# test using a progress bar.
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dummy_test = TestTestResult('test_progress_bar_style_quiet')
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dummy_error = (Exception, None, [])
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mypb = MockProgress()
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mypb.update('Running tests', 0, 4)
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last_calls = mypb.calls[:]
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result = bzrlib.tests._MyResult(self._log_file,
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self.assertEqual(last_calls, mypb.calls)
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result.startTest(dummy_test)
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# starting a test prints the test name
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self.assertEqual(last_calls + [('update', '...tyle_quiet', 0, None)], mypb.calls)
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last_calls = mypb.calls[:]
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result.addError(dummy_test, dummy_error)
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self.assertEqual(last_calls + [('update', 'ERROR ', 1, None)], mypb.calls)
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last_calls = mypb.calls[:]
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result.startTest(dummy_test)
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self.assertEqual(last_calls + [('update', '...tyle_quiet', 1, None)], mypb.calls)
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last_calls = mypb.calls[:]
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result.addFailure(dummy_test, dummy_error)
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self.assertEqual(last_calls + [('update', 'FAIL ', 2, None)], mypb.calls)
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last_calls = mypb.calls[:]
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result.startTest(dummy_test)
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self.assertEqual(last_calls + [('update', '...tyle_quiet', 2, None)], mypb.calls)
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last_calls = mypb.calls[:]
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result.addSuccess(dummy_test)
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self.assertEqual(last_calls + [('update', 'OK ', 3, None)], mypb.calls)
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last_calls = mypb.calls[:]
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result.startTest(dummy_test)
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self.assertEqual(last_calls + [('update', '...tyle_quiet', 3, None)], mypb.calls)
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last_calls = mypb.calls[:]
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result.addSkipped(dummy_test, dummy_error)
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self.assertEqual(last_calls + [('update', 'SKIP ', 4, None)], mypb.calls)
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last_calls = mypb.calls[:]
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def test_elapsed_time_with_benchmarking(self):
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result = bzrlib.tests._MyResult(self._log_file,
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result._recordTestStartTime()
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result.extractBenchmarkTime(self)
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timed_string = result._testTimeString()
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# without explicit benchmarking, we should get a simple time.
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self.assertContainsRe(timed_string, "^ [ 1-9][0-9]ms$")
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# if a benchmark time is given, we want a x of y style result.
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self.time(time.sleep, 0.001)
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result.extractBenchmarkTime(self)
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timed_string = result._testTimeString()
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self.assertContainsRe(timed_string, "^ [ 1-9][0-9]ms/ [ 1-9][0-9]ms$")
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# extracting the time from a non-bzrlib testcase sets to None
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result._recordTestStartTime()
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result.extractBenchmarkTime(
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unittest.FunctionTestCase(self.test_elapsed_time_with_benchmarking))
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timed_string = result._testTimeString()
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self.assertContainsRe(timed_string, "^ [ 1-9][0-9]ms$")
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# cheat. Yes, wash thy mouth out with soap.
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self._benchtime = None
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def _time_hello_world_encoding(self):
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"""Profile two sleep calls
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This is used to exercise the test framework.
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self.time(unicode, 'hello', errors='replace')
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self.time(unicode, 'world', errors='replace')
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def test_lsprofiling(self):
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"""Verbose test result prints lsprof statistics from test cases."""
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raise TestSkipped("lsprof not installed.")
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result_stream = StringIO()
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result = bzrlib.tests._MyResult(
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unittest._WritelnDecorator(result_stream),
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# we want profile a call of some sort and check it is output by
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# addSuccess. We dont care about addError or addFailure as they
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# are not that interesting for performance tuning.
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# make a new test instance that when run will generate a profile
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example_test_case = TestTestResult("_time_hello_world_encoding")
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example_test_case._gather_lsprof_in_benchmarks = True
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# execute the test, which should succeed and record profiles
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example_test_case.run(result)
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# lsprofile_something()
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# if this worked we want
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# LSProf output for <built in function unicode> (['hello'], {'errors': 'replace'})
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# CallCount Recursive Total(ms) Inline(ms) module:lineno(function)
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# (the lsprof header)
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# ... an arbitrary number of lines
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# and the function call which is time.sleep.
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# 1 0 ??? ??? ???(sleep)
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# and then repeated but with 'world', rather than 'hello'.
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# this should appear in the output stream of our test result.
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self.assertContainsRe(result_stream.getvalue(),
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r"LSProf output for <type 'unicode'>\(\('hello',\), {'errors': 'replace'}\)\n"
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r" *CallCount *Recursive *Total\(ms\) *Inline\(ms\) *module:lineno\(function\)\n"
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r"( +1 +0 +0\.\d+ +0\.\d+ +<method 'disable' of '_lsprof\.Profiler' objects>\n)?"
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r"LSProf output for <type 'unicode'>\(\('world',\), {'errors': 'replace'}\)\n"
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r" *CallCount *Recursive *Total\(ms\) *Inline\(ms\) *module:lineno\(function\)\n"
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r"( +1 +0 +0\.\d+ +0\.\d+ +<method 'disable' of '_lsprof\.Profiler' objects>\n)?"
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class TestRunner(TestCase):
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def dummy_test(self):
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def run_test_runner(self, testrunner, test):
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"""Run suite in testrunner, saving global state and restoring it.
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This current saves and restores:
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TestCaseInTempDir.TEST_ROOT
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There should be no tests in this file that use bzrlib.tests.TextTestRunner
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without using this convenience method, because of our use of global state.
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old_root = TestCaseInTempDir.TEST_ROOT
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TestCaseInTempDir.TEST_ROOT = None
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return testrunner.run(test)
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TestCaseInTempDir.TEST_ROOT = old_root
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def test_accepts_and_uses_pb_parameter(self):
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test = TestRunner('dummy_test')
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mypb = MockProgress()
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self.assertEqual([], mypb.calls)
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runner = TextTestRunner(stream=self._log_file, pb=mypb)
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result = self.run_test_runner(runner, test)
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self.assertEqual(1, result.testsRun)
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self.assertEqual(('update', 'Running tests', 0, 1), mypb.calls[0])
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self.assertEqual(('update', '...dummy_test', 0, None), mypb.calls[1])
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self.assertEqual(('update', 'OK ', 1, None), mypb.calls[2])
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self.assertEqual(('update', 'Cleaning up', 0, 1), mypb.calls[3])
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self.assertEqual(('clear',), mypb.calls[4])
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self.assertEqual(5, len(mypb.calls))
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def test_skipped_test(self):
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# run a test that is skipped, and check the suite as a whole still
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# skipping_test must be hidden in here so it's not run as a real test
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raise TestSkipped('test intentionally skipped')
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runner = TextTestRunner(stream=self._log_file, keep_output=True)
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test = unittest.FunctionTestCase(skipping_test)
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result = self.run_test_runner(runner, test)
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self.assertTrue(result.wasSuccessful())
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class TestTestCase(TestCase):
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"""Tests that test the core bzrlib TestCase."""
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def inner_test(self):
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# the inner child test
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def outer_child(self):
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# the outer child test
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self.inner_test = TestTestCase("inner_child")
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result = bzrlib.tests._MyResult(self._log_file,
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self.inner_test.run(result)
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def test_trace_nesting(self):
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# this tests that each test case nests its trace facility correctly.
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# we do this by running a test case manually. That test case (A)
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# should setup a new log, log content to it, setup a child case (B),
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# which should log independently, then case (A) should log a trailer
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# we do two nested children so that we can verify the state of the
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# logs after the outer child finishes is correct, which a bad clean
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# up routine in tearDown might trigger a fault in our test with only
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# one child, we should instead see the bad result inside our test with
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# the outer child test
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original_trace = bzrlib.trace._trace_file
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outer_test = TestTestCase("outer_child")
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result = bzrlib.tests._MyResult(self._log_file,
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outer_test.run(result)
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self.assertEqual(original_trace, bzrlib.trace._trace_file)
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def method_that_times_a_bit_twice(self):
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# call self.time twice to ensure it aggregates
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self.time(time.sleep, 0.007)
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self.time(time.sleep, 0.007)
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def test_time_creates_benchmark_in_result(self):
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"""Test that the TestCase.time() method accumulates a benchmark time."""
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sample_test = TestTestCase("method_that_times_a_bit_twice")
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output_stream = StringIO()
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result = bzrlib.tests._MyResult(
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unittest._WritelnDecorator(output_stream),
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sample_test.run(result)
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self.assertContainsRe(
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output_stream.getvalue(),
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"[1-9][0-9]ms/ [1-9][0-9]ms\n$")
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def test__gather_lsprof_in_benchmarks(self):
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"""When _gather_lsprof_in_benchmarks is on, accumulate profile data.
625
Each self.time() call is individually and separately profiled.
630
raise TestSkipped("lsprof not installed.")
631
# overrides the class member with an instance member so no cleanup
633
self._gather_lsprof_in_benchmarks = True
634
self.time(time.sleep, 0.000)
635
self.time(time.sleep, 0.003)
636
self.assertEqual(2, len(self._benchcalls))
637
self.assertEqual((time.sleep, (0.000,), {}), self._benchcalls[0][0])
638
self.assertEqual((time.sleep, (0.003,), {}), self._benchcalls[1][0])
639
self.assertIsInstance(self._benchcalls[0][1], bzrlib.lsprof.Stats)
640
self.assertIsInstance(self._benchcalls[1][1], bzrlib.lsprof.Stats)
643
class TestExtraAssertions(TestCase):
644
"""Tests for new test assertions in bzrlib test suite"""
646
def test_assert_isinstance(self):
647
self.assertIsInstance(2, int)
648
self.assertIsInstance(u'', basestring)
649
self.assertRaises(AssertionError, self.assertIsInstance, None, int)
650
self.assertRaises(AssertionError, self.assertIsInstance, 23.3, int)
652
def test_assertEndsWith(self):
653
self.assertEndsWith('foo', 'oo')
654
self.assertRaises(AssertionError, self.assertEndsWith, 'o', 'oo')
657
class TestConvenienceMakers(TestCaseWithTransport):
658
"""Test for the make_* convenience functions."""
660
def test_make_branch_and_tree_with_format(self):
661
# we should be able to supply a format to make_branch_and_tree
662
self.make_branch_and_tree('a', format=bzrlib.bzrdir.BzrDirMetaFormat1())
663
self.make_branch_and_tree('b', format=bzrlib.bzrdir.BzrDirFormat6())
664
self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('a')._format,
665
bzrlib.bzrdir.BzrDirMetaFormat1)
666
self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('b')._format,
667
bzrlib.bzrdir.BzrDirFormat6)
670
class TestSelftest(TestCase):
671
"""Tests of bzrlib.tests.selftest."""
673
def test_selftest_benchmark_parameter_invokes_test_suite__benchmark__(self):
676
factory_called.append(True)
680
self.apply_redirected(out, err, None, bzrlib.tests.selftest,
681
test_suite_factory=factory)
682
self.assertEqual([True], factory_called)
684
def test_run_bzr_subprocess(self):
685
"""The run_bzr_helper_external comand behaves nicely."""
686
result = self.run_bzr_subprocess('--version')
687
result = self.run_bzr_subprocess('--version', retcode=None)
688
self.assertContainsRe(result[0], 'is free software')
689
self.assertRaises(AssertionError, self.run_bzr_subprocess,
691
result = self.run_bzr_subprocess('--versionn', retcode=3)
692
result = self.run_bzr_subprocess('--versionn', retcode=None)
693
self.assertContainsRe(result[1], 'unknown command')
694
err = self.run_bzr_subprocess('merge', '--merge-type', 'magic merge',
696
self.assertContainsRe(err, 'No known merge type magic merge')
added
removed
bzrlib/tests/test_selftest.py
