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# Copyright (C) 2005-2011 Canonical Ltd
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# Copyright (C) 2005 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Tests for plugins"""
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# XXX: There are no plugin tests at the moment because the plugin module
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# affects the global state of the process. See bzrlib/plugins.py for more
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from cStringIO import StringIO
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# TODO: Write a test for plugin decoration of commands.
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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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"""This is the doc for %s"""
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file_name = name + '.py'
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# 'source' must not fail to load
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path = osutils.pathjoin(dir, file_name)
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self.addCleanup(os.unlink, path)
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f.write(source + '\n')
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def create_plugin_package(self, name, dir=None, source=None):
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"""This is the doc for %s"""
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# Workaround lazy import random? madness
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self.addCleanup(cleanup)
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self.create_plugin(name, source, dir,
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file_name='__init__.py')
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def _unregister_plugin(self, name):
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"""Remove the plugin from sys.modules and the bzrlib namespace."""
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py_name = 'bzrlib.plugins.%s' % name
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if py_name in sys.modules:
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del sys.modules[py_name]
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if getattr(bzrlib.plugins, name, None) is not None:
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delattr(bzrlib.plugins, name)
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def _unregister_plugin_submodule(self, plugin_name, submodule_name):
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"""Remove the submodule from sys.modules and the bzrlib namespace."""
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py_name = 'bzrlib.plugins.%s.%s' % (plugin_name, submodule_name)
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if py_name in sys.modules:
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del sys.modules[py_name]
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plugin = getattr(bzrlib.plugins, plugin_name, None)
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if plugin is not None:
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if getattr(plugin, submodule_name, None) is not None:
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delattr(plugin, submodule_name)
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def assertPluginUnknown(self, name):
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self.assertFalse(getattr(bzrlib.plugins, name, None) is not None)
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self.assertFalse('bzrlib.plugins.%s' % name in sys.modules)
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def assertPluginKnown(self, name):
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self.assertTrue(getattr(bzrlib.plugins, name, None) is not None)
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self.assertTrue('bzrlib.plugins.%s' % name in sys.modules)
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class TestLoadingPlugins(BaseTestPlugins):
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activeattributes = {}
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def test_plugins_with_the_same_name_are_not_loaded(self):
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# This test tests that having two plugins in different directories does
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# not result in both being loaded when they have the same name. get a
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# file name we can use which is also a valid attribute for accessing in
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# activeattributes. - we cannot give import parameters.
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self.assertFalse(tempattribute in self.activeattributes)
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# set a place for the plugins to record their loading, and at the same
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# time validate that the location the plugins should record to is
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self.__class__.activeattributes [tempattribute] = []
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self.assertTrue(tempattribute in self.activeattributes)
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# create two plugin directories
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# write a plugin that will record when its loaded in the
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# tempattribute list.
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template = ("from bzrlib.tests.test_plugins import TestLoadingPlugins\n"
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"TestLoadingPlugins.activeattributes[%r].append('%s')\n")
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outfile = open(os.path.join('first', 'plugin.py'), 'w')
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outfile.write(template % (tempattribute, 'first'))
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outfile = open(os.path.join('second', 'plugin.py'), 'w')
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outfile.write(template % (tempattribute, 'second'))
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bzrlib.plugin.load_from_path(['first', 'second'])
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self.assertEqual(['first'], self.activeattributes[tempattribute])
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# remove the plugin 'plugin'
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del self.activeattributes[tempattribute]
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self._unregister_plugin('plugin')
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self.assertPluginUnknown('plugin')
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def test_plugins_from_different_dirs_can_demand_load(self):
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self.assertFalse('bzrlib.plugins.pluginone' in sys.modules)
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self.assertFalse('bzrlib.plugins.plugintwo' in sys.modules)
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# This test tests that having two plugins in different
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# directories with different names allows them both to be loaded, when
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# we do a direct import statement.
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# Determine a file name we can use which is also a valid attribute
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# for accessing in activeattributes. - we cannot give import parameters.
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tempattribute = "different-dirs"
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self.assertFalse(tempattribute in self.activeattributes)
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# set a place for the plugins to record their loading, and at the same
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# time validate that the location the plugins should record to is
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bzrlib.tests.test_plugins.TestLoadingPlugins.activeattributes \
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self.assertTrue(tempattribute in self.activeattributes)
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# create two plugin directories
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# write plugins that will record when they are loaded in the
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# tempattribute list.
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template = ("from bzrlib.tests.test_plugins import TestLoadingPlugins\n"
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"TestLoadingPlugins.activeattributes[%r].append('%s')\n")
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outfile = open(os.path.join('first', 'pluginone.py'), 'w')
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outfile.write(template % (tempattribute, 'first'))
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outfile = open(os.path.join('second', 'plugintwo.py'), 'w')
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outfile.write(template % (tempattribute, 'second'))
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oldpath = bzrlib.plugins.__path__
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self.assertFalse('bzrlib.plugins.pluginone' in sys.modules)
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self.assertFalse('bzrlib.plugins.plugintwo' in sys.modules)
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bzrlib.plugins.__path__ = ['first', 'second']
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exec "import bzrlib.plugins.pluginone"
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self.assertEqual(['first'], self.activeattributes[tempattribute])
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exec "import bzrlib.plugins.plugintwo"
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self.assertEqual(['first', 'second'],
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self.activeattributes[tempattribute])
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# remove the plugin 'plugin'
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del self.activeattributes[tempattribute]
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self._unregister_plugin('pluginone')
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self._unregister_plugin('plugintwo')
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self.assertPluginUnknown('pluginone')
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self.assertPluginUnknown('plugintwo')
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def test_plugins_can_load_from_directory_with_trailing_slash(self):
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# This test tests that a plugin can load from a directory when the
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# directory in the path has a trailing slash.
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# check the plugin is not loaded already
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self.assertPluginUnknown('ts_plugin')
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tempattribute = "trailing-slash"
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self.assertFalse(tempattribute in self.activeattributes)
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# set a place for the plugin to record its loading, and at the same
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# time validate that the location the plugin should record to is
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bzrlib.tests.test_plugins.TestLoadingPlugins.activeattributes \
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self.assertTrue(tempattribute in self.activeattributes)
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# create a directory for the plugin
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os.mkdir('plugin_test')
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# write a plugin that will record when its loaded in the
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# tempattribute list.
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template = ("from bzrlib.tests.test_plugins import TestLoadingPlugins\n"
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"TestLoadingPlugins.activeattributes[%r].append('%s')\n")
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outfile = open(os.path.join('plugin_test', 'ts_plugin.py'), 'w')
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outfile.write(template % (tempattribute, 'plugin'))
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bzrlib.plugin.load_from_path(['plugin_test'+os.sep])
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self.assertEqual(['plugin'], self.activeattributes[tempattribute])
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del self.activeattributes[tempattribute]
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self._unregister_plugin('ts_plugin')
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self.assertPluginUnknown('ts_plugin')
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def load_and_capture(self, name):
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"""Load plugins from '.' capturing the output.
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:param name: The name of the plugin.
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:return: A string with the log from the plugin loading call.
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handler = logging.StreamHandler(stream)
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log = logging.getLogger('bzr')
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log.addHandler(handler)
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bzrlib.plugin.load_from_path(['.'])
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if 'bzrlib.plugins.%s' % name in sys.modules:
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del sys.modules['bzrlib.plugins.%s' % name]
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if getattr(bzrlib.plugins, name, None):
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delattr(bzrlib.plugins, name)
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# Stop capturing output
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log.removeHandler(handler)
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return stream.getvalue()
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def test_plugin_with_bad_api_version_reports(self):
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"""Try loading a plugin that requests an unsupported api.
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# **************************************************
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# **************************************************
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from bzrlib.selftest import TestCaseInTempDir
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class PluginTest(TestCaseInTempDir):
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"""Create an external plugin and test loading."""
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def test_plugin_loading(self):
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Observe that it records the problem but doesn't complain on stderr.
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See https://bugs.launchpad.net/bzr/+bug/704195
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self.overrideAttr(plugin, 'plugin_warnings', {})
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f.write("import bzrlib.api\n"
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"bzrlib.api.require_any_api(bzrlib, [(1, 0, 0)])\n")
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log = self.load_and_capture(name)
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self.assertNotContainsRe(log,
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r"It requested API version")
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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")
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def test_plugin_with_bad_name_does_not_load(self):
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# The file name here invalid for a python module.
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name = 'bzr-bad plugin-name..py'
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file(name, 'w').close()
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log = self.load_and_capture(name)
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self.assertContainsRe(log,
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r"Unable to load 'bzr-bad plugin-name\.' in '\.' as a plugin "
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"because the file path isn't a valid module name; try renaming "
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"it to 'bad_plugin_name_'\.")
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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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# check the plugin is not loaded already
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self.assertPluginUnknown('plugin')
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# write a plugin that _cannot_ fail to load.
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file('plugin.py', 'w').write(source + '\n')
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self.addCleanup(self.teardown_plugin)
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plugin.load_from_path(['.'])
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def teardown_plugin(self):
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self._unregister_plugin('plugin')
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self.assertPluginUnknown('plugin')
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def test_plugin_appears_in_plugins(self):
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self.assertPluginKnown('plugin')
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p = plugin.plugins()['plugin']
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self.assertIsInstance(p, bzrlib.plugin.PlugIn)
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self.assertEqual(p.module, plugins.plugin)
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def test_trivial_plugin_get_path(self):
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p = plugin.plugins()['plugin']
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plugin_path = self.test_dir + '/plugin.py'
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self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
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def test_plugin_get_path_py_not_pyc(self):
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# first import creates plugin.pyc
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self.teardown_plugin()
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plugin.load_from_path(['.']) # import plugin.pyc
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p = plugin.plugins()['plugin']
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plugin_path = self.test_dir + '/plugin.py'
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self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
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def test_plugin_get_path_pyc_only(self):
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# first import creates plugin.pyc (or plugin.pyo depending on __debug__)
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self.teardown_plugin()
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os.unlink(self.test_dir + '/plugin.py')
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plugin.load_from_path(['.']) # import plugin.pyc (or .pyo)
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p = plugin.plugins()['plugin']
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plugin_path = self.test_dir + '/plugin.pyc'
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plugin_path = self.test_dir + '/plugin.pyo'
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self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
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def test_no_test_suite_gives_None_for_test_suite(self):
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p = plugin.plugins()['plugin']
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self.assertEqual(None, p.test_suite())
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def test_test_suite_gives_test_suite_result(self):
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source = """def test_suite(): return 'foo'"""
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self.setup_plugin(source)
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p = plugin.plugins()['plugin']
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self.assertEqual('foo', p.test_suite())
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def test_no_load_plugin_tests_gives_None_for_load_plugin_tests(self):
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loader = tests.TestUtil.TestLoader()
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p = plugin.plugins()['plugin']
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self.assertEqual(None, p.load_plugin_tests(loader))
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def test_load_plugin_tests_gives_load_plugin_tests_result(self):
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def load_tests(standard_tests, module, loader):
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self.setup_plugin(source)
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loader = tests.TestUtil.TestLoader()
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p = plugin.plugins()['plugin']
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self.assertEqual('foo', p.load_plugin_tests(loader))
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def check_version_info(self, expected, source='', name='plugin'):
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self.setup_plugin(source)
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self.assertEqual(expected, plugin.plugins()[name].version_info())
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def test_no_version_info(self):
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self.check_version_info(None)
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def test_with_version_info(self):
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self.check_version_info((1, 2, 3, 'dev', 4),
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"version_info = (1, 2, 3, 'dev', 4)")
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def test_short_version_info_gets_padded(self):
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# the gtk plugin has version_info = (1,2,3) rather than the 5-tuple.
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self.check_version_info((1, 2, 3, 'final', 0),
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"version_info = (1, 2, 3)")
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def check_version(self, expected, source=None, name='plugin'):
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self.setup_plugin(source)
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self.assertEqual(expected, plugins[name].__version__)
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def test_no_version_info___version__(self):
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plugin = bzrlib.plugin.plugins()['plugin']
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self.assertEqual("unknown", plugin.__version__)
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def test_str__version__with_version_info(self):
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self.setup_plugin("version_info = '1.2.3'")
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plugin = bzrlib.plugin.plugins()['plugin']
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self.assertEqual("1.2.3", plugin.__version__)
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def test_noniterable__version__with_version_info(self):
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self.setup_plugin("version_info = (1)")
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plugin = bzrlib.plugin.plugins()['plugin']
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self.assertEqual("1", plugin.__version__)
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def test_1__version__with_version_info(self):
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self.setup_plugin("version_info = (1,)")
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plugin = bzrlib.plugin.plugins()['plugin']
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self.assertEqual("1", plugin.__version__)
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def test_1_2__version__with_version_info(self):
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self.setup_plugin("version_info = (1, 2)")
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plugin = bzrlib.plugin.plugins()['plugin']
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self.assertEqual("1.2", plugin.__version__)
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def test_1_2_3__version__with_version_info(self):
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self.setup_plugin("version_info = (1, 2, 3)")
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plugin = bzrlib.plugin.plugins()['plugin']
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self.assertEqual("1.2.3", plugin.__version__)
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def test_candidate__version__with_version_info(self):
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self.setup_plugin("version_info = (1, 2, 3, 'candidate', 1)")
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plugin = bzrlib.plugin.plugins()['plugin']
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self.assertEqual("1.2.3rc1", plugin.__version__)
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def test_dev__version__with_version_info(self):
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self.setup_plugin("version_info = (1, 2, 3, 'dev', 0)")
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plugin = bzrlib.plugin.plugins()['plugin']
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self.assertEqual("1.2.3dev", plugin.__version__)
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def test_dev_fallback__version__with_version_info(self):
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self.setup_plugin("version_info = (1, 2, 3, 'dev', 4)")
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plugin = bzrlib.plugin.plugins()['plugin']
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self.assertEqual("1.2.3dev4", plugin.__version__)
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def test_final__version__with_version_info(self):
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self.setup_plugin("version_info = (1, 2, 3, 'final', 0)")
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plugin = bzrlib.plugin.plugins()['plugin']
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self.assertEqual("1.2.3", plugin.__version__)
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def test_final_fallback__version__with_version_info(self):
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self.setup_plugin("version_info = (1, 2, 3, 'final', 2)")
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plugin = bzrlib.plugin.plugins()['plugin']
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self.assertEqual("1.2.3.2", plugin.__version__)
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class TestPluginHelp(tests.TestCaseInTempDir):
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def split_help_commands(self):
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out, err = self.run_bzr('--no-plugins help commands')
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for line in out.splitlines():
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if not line.startswith(' '):
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current = line.split()[0]
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help[current] = help.get(current, '') + line
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def test_plugin_help_builtins_unaffected(self):
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# Check we don't get false positives
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help_commands = self.split_help_commands()
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for cmd_name in bzrlib.commands.builtin_command_names():
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if cmd_name in bzrlib.commands.plugin_command_names():
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help = bzrlib.commands.get_cmd_object(cmd_name).get_help_text()
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except NotImplementedError:
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# some commands have no help
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self.assertNotContainsRe(help, 'plugin "[^"]*"')
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if cmd_name in help_commands.keys():
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# some commands are hidden
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help = help_commands[cmd_name]
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self.assertNotContainsRe(help, 'plugin "[^"]*"')
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def test_plugin_help_shows_plugin(self):
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# Create a test plugin
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orig_help = self.backtick('bzr help commands') # No plugins yet
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os.mkdir('plugin_test')
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f = open(osutils.pathjoin('plugin_test', 'myplug.py'), 'w')
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from bzrlib import commands
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class cmd_myplug(commands.Command):
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__doc__ = '''Just a simple test plugin.'''
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print 'Hello from my plugin'
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f = open(os.path.join('plugin_test', 'myplug.py'), 'wt')
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bzrlib.plugin.load_from_path(['plugin_test'])
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bzrlib.commands.register_command( bzrlib.plugins.myplug.cmd_myplug)
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help = self.run_bzr('help myplug')[0]
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self.assertContainsRe(help, 'plugin "myplug"')
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help = self.split_help_commands()['myplug']
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self.assertContainsRe(help, '\[myplug\]')
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if 'myplug' in bzrlib.commands.plugin_cmds:
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bzrlib.commands.plugin_cmds.remove('myplug')
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# remove the plugin 'myplug'
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if getattr(bzrlib.plugins, 'myplug', None):
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delattr(bzrlib.plugins, 'myplug')
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class TestHelpIndex(tests.TestCase):
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"""Tests for the PluginsHelpIndex class."""
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def test_default_constructable(self):
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index = plugin.PluginsHelpIndex()
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def test_get_topics_None(self):
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"""Searching for None returns an empty list."""
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index = plugin.PluginsHelpIndex()
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self.assertEqual([], index.get_topics(None))
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def test_get_topics_for_plugin(self):
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"""Searching for plugin name gets its docstring."""
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index = plugin.PluginsHelpIndex()
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# make a new plugin here for this test, even if we're run with
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self.assertFalse(sys.modules.has_key('bzrlib.plugins.demo_module'))
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demo_module = FakeModule('', 'bzrlib.plugins.demo_module')
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sys.modules['bzrlib.plugins.demo_module'] = demo_module
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topics = index.get_topics('demo_module')
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self.assertEqual(1, len(topics))
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self.assertIsInstance(topics[0], plugin.ModuleHelpTopic)
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self.assertEqual(demo_module, topics[0].module)
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del sys.modules['bzrlib.plugins.demo_module']
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def test_get_topics_no_topic(self):
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"""Searching for something that is not a plugin returns []."""
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# test this by using a name that cannot be a plugin - its not
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# a valid python identifier.
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index = plugin.PluginsHelpIndex()
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self.assertEqual([], index.get_topics('nothing by this name'))
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def test_prefix(self):
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"""PluginsHelpIndex has a prefix of 'plugins/'."""
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index = plugin.PluginsHelpIndex()
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self.assertEqual('plugins/', index.prefix)
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def test_get_plugin_topic_with_prefix(self):
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"""Searching for plugins/demo_module returns help."""
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index = plugin.PluginsHelpIndex()
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self.assertFalse(sys.modules.has_key('bzrlib.plugins.demo_module'))
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demo_module = FakeModule('', 'bzrlib.plugins.demo_module')
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sys.modules['bzrlib.plugins.demo_module'] = demo_module
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topics = index.get_topics('plugins/demo_module')
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self.assertEqual(1, len(topics))
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self.assertIsInstance(topics[0], plugin.ModuleHelpTopic)
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self.assertEqual(demo_module, topics[0].module)
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del sys.modules['bzrlib.plugins.demo_module']
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class FakeModule(object):
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"""A fake module to test with."""
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def __init__(self, doc, name):
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class TestModuleHelpTopic(tests.TestCase):
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"""Tests for the ModuleHelpTopic class."""
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def test_contruct(self):
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"""Construction takes the module to document."""
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mod = FakeModule('foo', 'foo')
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topic = plugin.ModuleHelpTopic(mod)
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self.assertEqual(mod, topic.module)
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def test_get_help_text_None(self):
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"""A ModuleHelpTopic returns the docstring for get_help_text."""
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mod = FakeModule(None, 'demo')
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topic = plugin.ModuleHelpTopic(mod)
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self.assertEqual("Plugin 'demo' has no docstring.\n",
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topic.get_help_text())
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def test_get_help_text_no_carriage_return(self):
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"""ModuleHelpTopic.get_help_text adds a \n if needed."""
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mod = FakeModule('one line of help', 'demo')
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topic = plugin.ModuleHelpTopic(mod)
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self.assertEqual("one line of help\n",
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topic.get_help_text())
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def test_get_help_text_carriage_return(self):
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"""ModuleHelpTopic.get_help_text adds a \n if needed."""
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mod = FakeModule('two lines of help\nand more\n', 'demo')
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topic = plugin.ModuleHelpTopic(mod)
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self.assertEqual("two lines of help\nand more\n",
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topic.get_help_text())
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def test_get_help_text_with_additional_see_also(self):
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mod = FakeModule('two lines of help\nand more', 'demo')
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topic = plugin.ModuleHelpTopic(mod)
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self.assertEqual("two lines of help\nand more\n\n:See also: bar, foo\n",
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topic.get_help_text(['foo', 'bar']))
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def test_get_help_topic(self):
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"""The help topic for a plugin is its module name."""
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mod = FakeModule('two lines of help\nand more', 'bzrlib.plugins.demo')
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topic = plugin.ModuleHelpTopic(mod)
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self.assertEqual('demo', topic.get_help_topic())
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mod = FakeModule('two lines of help\nand more',
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'bzrlib.plugins.foo_bar')
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topic = plugin.ModuleHelpTopic(mod)
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self.assertEqual('foo_bar', topic.get_help_topic())
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class TestLoadFromPath(tests.TestCaseInTempDir):
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super(TestLoadFromPath, self).setUp()
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# Change bzrlib.plugin to think no plugins have been loaded yet.
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self.overrideAttr(bzrlib.plugins, '__path__', [])
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self.overrideAttr(plugin, '_loaded', False)
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# Monkey-patch load_from_path to stop it from actually loading anything.
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self.overrideAttr(plugin, 'load_from_path', lambda dirs: None)
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def test_set_plugins_path_with_args(self):
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plugin.set_plugins_path(['a', 'b'])
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self.assertEqual(['a', 'b'], bzrlib.plugins.__path__)
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def test_set_plugins_path_defaults(self):
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plugin.set_plugins_path()
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self.assertEqual(plugin.get_standard_plugins_path(),
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bzrlib.plugins.__path__)
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def test_get_standard_plugins_path(self):
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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'\\/$')
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from distutils.sysconfig import get_python_lib
661
if sys.platform != 'win32':
662
python_lib = get_python_lib()
663
for directory in path:
664
if directory.startswith(python_lib):
667
self.fail('No path to global plugins')
669
def test_get_standard_plugins_path_env(self):
670
self.overrideEnv('BZR_PLUGIN_PATH', 'foo/')
671
path = plugin.get_standard_plugins_path()
672
for directory in path:
673
self.assertNotContainsRe(directory, r'\\/$')
675
def test_load_plugins(self):
676
plugin.load_plugins(['.'])
677
self.assertEqual(bzrlib.plugins.__path__, ['.'])
678
# subsequent loads are no-ops
679
plugin.load_plugins(['foo'])
680
self.assertEqual(bzrlib.plugins.__path__, ['.'])
682
def test_load_plugins_default(self):
683
plugin.load_plugins()
684
path = plugin.get_standard_plugins_path()
685
self.assertEqual(path, bzrlib.plugins.__path__)
688
class TestEnvPluginPath(tests.TestCase):
691
super(TestEnvPluginPath, self).setUp()
692
self.overrideAttr(plugin, 'DEFAULT_PLUGIN_PATH', None)
694
self.user = plugin.get_user_plugin_path()
695
self.site = plugin.get_site_plugin_path()
696
self.core = plugin.get_core_plugin_path()
698
def _list2paths(self, *args):
701
plugin._append_new_path(paths, p)
704
def _set_path(self, *args):
705
path = os.pathsep.join(self._list2paths(*args))
706
self.overrideEnv('BZR_PLUGIN_PATH', path)
708
def check_path(self, expected_dirs, setting_dirs):
710
self._set_path(*setting_dirs)
711
actual = plugin.get_standard_plugins_path()
712
self.assertEquals(self._list2paths(*expected_dirs), actual)
714
def test_default(self):
715
self.check_path([self.user, self.core, self.site],
718
def test_adhoc_policy(self):
719
self.check_path([self.user, self.core, self.site],
720
['+user', '+core', '+site'])
722
def test_fallback_policy(self):
723
self.check_path([self.core, self.site, self.user],
724
['+core', '+site', '+user'])
726
def test_override_policy(self):
727
self.check_path([self.user, self.site, self.core],
728
['+user', '+site', '+core'])
730
def test_disable_user(self):
731
self.check_path([self.core, self.site], ['-user'])
733
def test_disable_user_twice(self):
734
# Ensures multiple removals don't left cruft
735
self.check_path([self.core, self.site], ['-user', '-user'])
737
def test_duplicates_are_removed(self):
738
self.check_path([self.user, self.core, self.site],
740
# And only the first reference is kept (since the later references will
741
# only produce '<plugin> already loaded' mutters)
742
self.check_path([self.user, self.core, self.site],
743
['+user', '+user', '+core',
744
'+user', '+site', '+site',
747
def test_disable_overrides_enable(self):
748
self.check_path([self.core, self.site], ['-user', '+user'])
750
def test_disable_core(self):
751
self.check_path([self.site], ['-core'])
752
self.check_path([self.user, self.site], ['+user', '-core'])
754
def test_disable_site(self):
755
self.check_path([self.core], ['-site'])
756
self.check_path([self.user, self.core], ['-site', '+user'])
758
def test_override_site(self):
759
self.check_path(['mysite', self.user, self.core],
760
['mysite', '-site', '+user'])
761
self.check_path(['mysite', self.core],
764
def test_override_core(self):
765
self.check_path(['mycore', self.user, self.site],
766
['mycore', '-core', '+user', '+site'])
767
self.check_path(['mycore', self.site],
770
def test_my_plugin_only(self):
771
self.check_path(['myplugin'], ['myplugin', '-user', '-core', '-site'])
773
def test_my_plugin_first(self):
774
self.check_path(['myplugin', self.core, self.site, self.user],
775
['myplugin', '+core', '+site', '+user'])
777
def test_bogus_references(self):
778
self.check_path(['+foo', '-bar', self.core, self.site],
782
class TestDisablePlugin(BaseTestPlugins):
785
super(TestDisablePlugin, self).setUp()
786
self.create_plugin_package('test_foo')
787
# Make sure we don't pollute the plugins namespace
788
self.overrideAttr(plugins, '__path__')
789
# Be paranoid in case a test fail
790
self.addCleanup(self._unregister_plugin, 'test_foo')
792
def test_cannot_import(self):
793
self.overrideEnv('BZR_DISABLE_PLUGINS', 'test_foo')
794
plugin.set_plugins_path(['.'])
796
import bzrlib.plugins.test_foo
799
self.assertPluginUnknown('test_foo')
801
def test_regular_load(self):
802
self.overrideAttr(plugin, '_loaded', False)
803
plugin.load_plugins(['.'])
804
self.assertPluginKnown('test_foo')
805
self.assertDocstring("This is the doc for test_foo",
806
bzrlib.plugins.test_foo)
808
def test_not_loaded(self):
810
def captured_warning(*args, **kwargs):
811
self.warnings.append((args, kwargs))
812
self.overrideAttr(trace, 'warning', captured_warning)
813
# Reset the flag that protect against double loading
814
self.overrideAttr(plugin, '_loaded', False)
815
self.overrideEnv('BZR_DISABLE_PLUGINS', 'test_foo')
816
plugin.load_plugins(['.'])
817
self.assertPluginUnknown('test_foo')
818
# Make sure we don't warn about the plugin ImportError since this has
819
# been *requested* by the user.
820
self.assertLength(0, self.warnings)
824
class TestLoadPluginAtSyntax(tests.TestCase):
826
def _get_paths(self, paths):
827
return plugin._get_specific_plugin_paths(paths)
829
def test_empty(self):
830
self.assertEquals([], self._get_paths(None))
831
self.assertEquals([], self._get_paths(''))
833
def test_one_path(self):
834
self.assertEquals([('b', 'man')], self._get_paths('b@man'))
836
def test_bogus_path(self):
838
self.assertRaises(errors.BzrCommandError, self._get_paths, 'batman')
839
# Too much '@' isn't good either
840
self.assertRaises(errors.BzrCommandError, self._get_paths,
841
'batman@mobile@cave')
842
# An empty description probably indicates a problem
843
self.assertRaises(errors.BzrCommandError, self._get_paths,
844
os.pathsep.join(['batman@cave', '', 'robin@mobile']))
847
class TestLoadPluginAt(BaseTestPlugins):
850
super(TestLoadPluginAt, self).setUp()
851
# Make sure we don't pollute the plugins namespace
852
self.overrideAttr(plugins, '__path__')
853
# Reset the flag that protect against double loading
854
self.overrideAttr(plugin, '_loaded', False)
855
# Create the same plugin in two directories
856
self.create_plugin_package('test_foo', dir='non-standard-dir')
857
# The "normal" directory, we use 'standard' instead of 'plugins' to
858
# avoid depending on the precise naming.
859
self.create_plugin_package('test_foo', dir='standard/test_foo')
860
# All the tests will load the 'test_foo' plugin from various locations
861
self.addCleanup(self._unregister_plugin, 'test_foo')
862
# Unfortunately there's global cached state for the specific
864
self.addCleanup(plugin.PluginImporter.reset)
866
def assertTestFooLoadedFrom(self, path):
867
self.assertPluginKnown('test_foo')
868
self.assertDocstring('This is the doc for test_foo',
869
bzrlib.plugins.test_foo)
870
self.assertEqual(path, bzrlib.plugins.test_foo.dir_source)
872
def test_regular_load(self):
873
plugin.load_plugins(['standard'])
874
self.assertTestFooLoadedFrom('standard/test_foo')
876
def test_import(self):
877
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
878
plugin.set_plugins_path(['standard'])
880
import bzrlib.plugins.test_foo
883
self.assertTestFooLoadedFrom('non-standard-dir')
885
def test_loading(self):
886
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
887
plugin.load_plugins(['standard'])
888
self.assertTestFooLoadedFrom('non-standard-dir')
890
def test_compiled_loaded(self):
891
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
892
plugin.load_plugins(['standard'])
893
self.assertTestFooLoadedFrom('non-standard-dir')
894
self.assertIsSameRealPath('non-standard-dir/__init__.py',
895
bzrlib.plugins.test_foo.__file__)
897
# Try importing again now that the source has been compiled
898
self._unregister_plugin('test_foo')
899
plugin._loaded = False
900
plugin.load_plugins(['standard'])
901
self.assertTestFooLoadedFrom('non-standard-dir')
906
self.assertIsSameRealPath('non-standard-dir/__init__.%s' % suffix,
907
bzrlib.plugins.test_foo.__file__)
909
def test_submodule_loading(self):
910
# We create an additional directory under the one for test_foo
911
self.create_plugin_package('test_bar', dir='non-standard-dir/test_bar')
912
self.addCleanup(self._unregister_plugin_submodule,
913
'test_foo', 'test_bar')
914
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
915
plugin.set_plugins_path(['standard'])
916
import bzrlib.plugins.test_foo
917
self.assertEqual('bzrlib.plugins.test_foo',
918
bzrlib.plugins.test_foo.__package__)
919
import bzrlib.plugins.test_foo.test_bar
920
self.assertIsSameRealPath('non-standard-dir/test_bar/__init__.py',
921
bzrlib.plugins.test_foo.test_bar.__file__)
923
def test_relative_submodule_loading(self):
924
self.create_plugin_package('test_foo', dir='another-dir', source='''
927
# We create an additional directory under the one for test_foo
928
self.create_plugin_package('test_bar', dir='another-dir/test_bar')
929
self.addCleanup(self._unregister_plugin_submodule,
930
'test_foo', 'test_bar')
931
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@another-dir')
932
plugin.set_plugins_path(['standard'])
933
import bzrlib.plugins.test_foo
934
self.assertEqual('bzrlib.plugins.test_foo',
935
bzrlib.plugins.test_foo.__package__)
936
self.assertIsSameRealPath('another-dir/test_bar/__init__.py',
937
bzrlib.plugins.test_foo.test_bar.__file__)
939
def test_loading_from___init__only(self):
940
# We rename the existing __init__.py file to ensure that we don't load
942
init = 'non-standard-dir/__init__.py'
943
random = 'non-standard-dir/setup.py'
944
os.rename(init, random)
945
self.addCleanup(os.rename, random, init)
946
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
947
plugin.load_plugins(['standard'])
948
self.assertPluginUnknown('test_foo')
950
def test_loading_from_specific_file(self):
951
plugin_dir = 'non-standard-dir'
952
plugin_file_name = 'iamtestfoo.py'
953
plugin_path = osutils.pathjoin(plugin_dir, plugin_file_name)
955
"""This is the doc for %s"""
957
''' % ('test_foo', plugin_path)
958
self.create_plugin('test_foo', source=source,
959
dir=plugin_dir, file_name=plugin_file_name)
960
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@%s' % plugin_path)
961
plugin.load_plugins(['standard'])
962
self.assertTestFooLoadedFrom(plugin_path)
965
class TestDescribePlugins(BaseTestPlugins):
967
def test_describe_plugins(self):
968
class DummyModule(object):
970
class DummyPlugin(object):
971
__version__ = '0.1.0'
972
module = DummyModule()
974
return { 'good': DummyPlugin() }
975
self.overrideAttr(plugin, 'plugin_warnings',
976
{'bad': ['Failed to load (just testing)']})
977
self.overrideAttr(plugin, 'plugins', dummy_plugins)
978
self.assertEquals("""\
980
** Failed to load (just testing)
985
""", ''.join(plugin.describe_plugins()))
47
newhelp = backtick('bzr help commands')
48
assert newhelp.startswith('You have been overridden\n')
49
# We added a line, but the rest should work
50
assert newhelp[25:] == help
52
assert backtick('bzr commit -m test') == "I'm sorry dave, you can't do that\n"
54
shutil.rmtree('plugin_test')
60
# """import bzrlib, bzrlib.commands
61
# class cmd_myplug(bzrlib.commands.Command):
62
# '''Just a simple test plugin.'''
65
# print 'Hello from my plugin'
69
# os.environ['BZRPLUGINPATH'] = os.path.abspath('plugin_test')
70
# help = backtick('bzr help commands')
71
# assert help.find('myplug') != -1
72
# assert help.find('Just a simple test plugin.') != -1
75
# assert backtick('bzr myplug') == 'Hello from my plugin\n'
76
# assert backtick('bzr mplg') == 'Hello from my plugin\n'
78
# f = open(os.path.join('plugin_test', 'override.py'), 'wb')
79
# f.write("""import bzrlib, bzrlib.commands
80
# class cmd_commit(bzrlib.commands.cmd_commit):
81
# '''Commit changes into a new revision.'''
82
# def run(self, *args, **kwargs):
83
# print "I'm sorry dave, you can't do that"
85
# class cmd_help(bzrlib.commands.cmd_help):
86
# '''Show help on a command or other topic.'''
87
# def run(self, *args, **kwargs):
88
# print "You have been overridden"
89
# bzrlib.commands.cmd_help.run(self, *args, **kwargs)
added
removed
bzrlib/selftest/plugins.py
