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Viewing changes to bzrlib/tests/test_plugins.py

  • Committer: Andrew Bennetts
  • Date: 2011-03-15 07:54:39 UTC
  • mfrom: (0.38.5 trunk)
  • mto: This revision was merged to the branch mainline in revision 5726.
  • Revision ID: andrew.bennetts@canonical.com-20110315075439-nzm293joz143cx0k
Merge bzr-changelog-merge plugin.

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bzrlib/tests/test_plugins.py
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# Copyright (C) 2005-2010 Canonical Ltd
 
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# Copyright (C) 2005-2011 Canonical Ltd
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#
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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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# TODO: Write a test for plugin decoration of commands.
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41
 
class TestPluginMixin(object):
 
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class BaseTestPlugins(tests.TestCaseInTempDir):
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    def create_plugin(self, name, source=None, dir='.', file_name=None):
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        if source is None:
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        self.failUnless('bzrlib.plugins.%s' % name in sys.modules)
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101
101
 
102
 
class TestLoadingPlugins(tests.TestCaseInTempDir, TestPluginMixin):
 
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class TestLoadingPlugins(BaseTestPlugins):
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    activeattributes = {}
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            stream.close()
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    def test_plugin_with_bad_api_version_reports(self):
270
 
        # This plugin asks for bzrlib api version 1.0.0, which is not supported
271
 
        # anymore.
 
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        """Try loading a plugin that requests an unsupported api.
 
271
        
 
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        Observe that it records the problem but doesn't complain on stderr.
 
273
 
 
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        See https://bugs.launchpad.net/bzr/+bug/704195
 
275
        """
 
276
        self.overrideAttr(plugin, 'plugin_warnings', {})
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        name = 'wants100.py'
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        f = file(name, 'w')
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        try:
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                "bzrlib.api.require_any_api(bzrlib, [(1, 0, 0)])\n")
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        finally:
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            f.close()
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        log = self.load_and_capture(name)
281
 
        self.assertContainsRe(log,
 
285
        self.assertNotContainsRe(log,
 
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            r"It requested API version")
 
287
        self.assertEquals(
 
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            ['wants100'],
 
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            plugin.plugin_warnings.keys())
 
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        self.assertContainsRe(
 
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            plugin.plugin_warnings['wants100'][0],
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            r"It requested API version")
283
293
 
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    def test_plugin_with_bad_name_does_not_load(self):
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            "it to 'bad_plugin_name_'\.")
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294
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295
 
class TestPlugins(tests.TestCaseInTempDir, TestPluginMixin):
 
305
class TestPlugins(BaseTestPlugins):
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    def setup_plugin(self, source=""):
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        # This test tests a new plugin appears in bzrlib.plugin.plugins().
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                    self.fail('No path to global plugins')
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    def test_get_standard_plugins_path_env(self):
659
 
        os.environ['BZR_PLUGIN_PATH'] = 'foo/'
 
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        self.overrideEnv('BZR_PLUGIN_PATH', 'foo/')
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        path = plugin.get_standard_plugins_path()
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        for directory in path:
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            self.assertNotContainsRe(directory, r'\\/$')
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    def _set_path(self, *args):
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        path = os.pathsep.join(self._list2paths(*args))
695
 
        osutils.set_or_unset_env('BZR_PLUGIN_PATH', path)
 
705
        self.overrideEnv('BZR_PLUGIN_PATH', path)
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    def check_path(self, expected_dirs, setting_dirs):
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        if setting_dirs:
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                        ['+foo', '-bar'])
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779
 
770
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771
 
class TestDisablePlugin(tests.TestCaseInTempDir, TestPluginMixin):
 
781
class TestDisablePlugin(BaseTestPlugins):
772
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773
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    def setUp(self):
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        super(TestDisablePlugin, self).setUp()
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        self.addCleanup(self._unregister_plugin, 'test_foo')
780
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781
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    def test_cannot_import(self):
782
 
        osutils.set_or_unset_env('BZR_DISABLE_PLUGINS', 'test_foo')
 
792
        self.overrideEnv('BZR_DISABLE_PLUGINS', 'test_foo')
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        plugin.set_plugins_path(['.'])
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        try:
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            import bzrlib.plugins.test_foo
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        self.overrideAttr(trace, 'warning', captured_warning)
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        # Reset the flag that protect against double loading
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        self.overrideAttr(plugin, '_loaded', False)
804
 
        osutils.set_or_unset_env('BZR_DISABLE_PLUGINS', 'test_foo')
 
814
        self.overrideEnv('BZR_DISABLE_PLUGINS', 'test_foo')
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        plugin.load_plugins(['.'])
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        self.assertPluginUnknown('test_foo')
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        # Make sure we don't warn about the plugin ImportError since this has
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        self.assertLength(0, self.warnings)
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811
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822
 
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class TestLoadPluginAtSyntax(tests.TestCase):
813
824
 
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    def _get_paths(self, paths):
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                          os.pathsep.join(['batman@cave', '', 'robin@mobile']))
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834
845
 
835
 
class TestLoadPluginAt(tests.TestCaseInTempDir, TestPluginMixin):
 
846
class TestLoadPluginAt(BaseTestPlugins):
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    def setUp(self):
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        super(TestLoadPluginAt, self).setUp()
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        self.create_plugin_package('test_foo', dir='standard/test_foo')
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        # All the tests will load the 'test_foo' plugin from various locations
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        self.addCleanup(self._unregister_plugin, 'test_foo')
 
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        # Unfortunately there's global cached state for the specific
 
862
        # registered paths.
 
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        self.addCleanup(plugin.PluginImporter.reset)
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    def assertTestFooLoadedFrom(self, path):
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        self.assertPluginKnown('test_foo')
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        self.assertTestFooLoadedFrom('standard/test_foo')
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    def test_import(self):
862
 
        osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
 
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        self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
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        plugin.set_plugins_path(['standard'])
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        try:
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            import bzrlib.plugins.test_foo
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        self.assertTestFooLoadedFrom('non-standard-dir')
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    def test_loading(self):
871
 
        osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
 
885
        self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
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        plugin.load_plugins(['standard'])
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        self.assertTestFooLoadedFrom('non-standard-dir')
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875
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    def test_compiled_loaded(self):
876
 
        osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
 
890
        self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
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        plugin.load_plugins(['standard'])
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        self.assertTestFooLoadedFrom('non-standard-dir')
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        self.assertIsSameRealPath('non-standard-dir/__init__.py',
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        self.create_plugin_package('test_bar', dir='non-standard-dir/test_bar')
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        self.addCleanup(self._unregister_plugin_submodule,
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                        'test_foo', 'test_bar')
899
 
        osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
 
913
        self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
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        plugin.set_plugins_path(['standard'])
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        import bzrlib.plugins.test_foo
902
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        self.assertEqual('bzrlib.plugins.test_foo',
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        self.create_plugin_package('test_bar', dir='another-dir/test_bar')
914
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        self.addCleanup(self._unregister_plugin_submodule,
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929
                        'test_foo', 'test_bar')
916
 
        osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@another-dir')
 
930
        self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@another-dir')
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        plugin.set_plugins_path(['standard'])
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        import bzrlib.plugins.test_foo
919
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        self.assertEqual('bzrlib.plugins.test_foo',
928
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        random = 'non-standard-dir/setup.py'
929
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        os.rename(init, random)
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        self.addCleanup(os.rename, random, init)
931
 
        osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
 
945
        self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
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        plugin.load_plugins(['standard'])
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        self.assertPluginUnknown('test_foo')
934
948
 
942
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''' % ('test_foo', plugin_path)
943
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        self.create_plugin('test_foo', source=source,
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                           dir=plugin_dir, file_name=plugin_file_name)
945
 
        osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@%s' % plugin_path)
 
959
        self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@%s' % plugin_path)
946
960
        plugin.load_plugins(['standard'])
947
961
        self.assertTestFooLoadedFrom(plugin_path)
 
962
 
 
963
 
 
964
class TestDescribePlugins(BaseTestPlugins):
 
965
 
 
966
    def test_describe_plugins(self):
 
967
        class DummyModule(object):
 
968
            __doc__ = 'Hi there'
 
969
        class DummyPlugin(object):
 
970
            __version__ = '0.1.0'
 
971
            module = DummyModule()
 
972
        def dummy_plugins():
 
973
            return { 'good': DummyPlugin() }
 
974
        self.overrideAttr(plugin, 'plugin_warnings',
 
975
            {'bad': ['Failed to load (just testing)']})
 
976
        self.overrideAttr(plugin, 'plugins', dummy_plugins)
 
977
        self.assertEquals("""\
 
978
bad (failed to load)
 
979
  ** Failed to load (just testing)
 
980
 
 
981
good 0.1.0
 
982
  Hi there
 
983
 
 
984
""", ''.join(plugin.describe_plugins()))