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# Copyright (C) 2005-2012, 2016 Canonical Ltd
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# Copyright (C) 2017-2018 Breezy developers
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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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"""Tests for plugins"""
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from ..tests.features import pkg_resources_feature
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from ..sixish import (
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# TODO: Write a test for plugin decoration of commands.
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invalidate_caches = getattr(importlib, "invalidate_caches", lambda: None)
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class BaseTestPlugins(tests.TestCaseInTempDir):
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"""TestCase that isolates plugin imports and cleans up on completion."""
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super(BaseTestPlugins, self).setUp()
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self.module_name = "breezy.testingplugins"
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self.module_prefix = self.module_name + "."
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self.module = types.ModuleType(self.module_name)
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self.overrideAttr(plugin, "_MODULE_PREFIX", self.module_prefix)
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self.overrideAttr(breezy, "testingplugins", self.module)
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sys.modules[self.module_name] = self.module
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self.addCleanup(self._unregister_all)
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self.addCleanup(self._unregister_finder)
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"""Remove all global testing state and clean up module."""
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# GZ 2017-06-02: Ideally don't do this, write new test or generate
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# bytecode by other mechanism.
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self.log("resetting plugin testing context")
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self._unregister_all()
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self._unregister_finder()
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sys.modules[self.module_name] = self.module
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for name in list(self.module.__dict__):
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delattr(self.module, name)
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def update_module_paths(self, paths):
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paths = plugin.extend_path(paths, self.module_name)
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self.module.__path__ = paths
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self.log("using %r", paths)
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def load_with_paths(self, paths):
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self.log("loading plugins!")
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plugin.load_plugins(self.update_module_paths(paths), state=self)
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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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with open(path, 'w') as f:
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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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self.create_plugin(name, source, dir,
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file_name='__init__.py')
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def promote_cache(self, directory):
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"""Move bytecode files out of __pycache__ in given directory."""
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cache_dir = os.path.join(directory, '__pycache__')
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if os.path.isdir(cache_dir):
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for name in os.listdir(cache_dir):
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magicless_name = '.'.join(name.split('.')[0::name.count('.')])
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rel = osutils.relpath(self.test_dir, cache_dir)
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self.log("moving %s in %s to %s", name, rel, magicless_name)
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os.rename(os.path.join(cache_dir, name),
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os.path.join(directory, magicless_name))
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def _unregister_finder(self):
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"""Removes any test copies of _PluginsAtFinder from sys.meta_path."""
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idx = len(sys.meta_path)
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finder = sys.meta_path[idx]
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if getattr(finder, "prefix", "") == self.module_prefix:
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self.log("removed %r from sys.meta_path", finder)
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sys.meta_path.pop(idx)
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def _unregister_all(self):
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"""Remove all plugins in the test namespace from sys.modules."""
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for name in list(sys.modules):
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if name.startswith(self.module_prefix) or name == self.module_name:
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self.log("removed %s from sys.modules", name)
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del sys.modules[name]
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def assertPluginModules(self, plugin_dict):
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dict((k[len(self.module_prefix):], sys.modules[k])
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for k in sys.modules if k.startswith(self.module_prefix)),
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def assertPluginUnknown(self, name):
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self.assertTrue(getattr(self.module, name, None) is None)
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self.assertFalse(self.module_prefix + name in sys.modules)
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def assertPluginKnown(self, name):
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self.assertTrue(getattr(self.module, name, None) is not None)
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self.assertTrue(self.module_prefix + 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 breezy.tests.test_plugins import TestLoadingPlugins\n"
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"TestLoadingPlugins.activeattributes[%r].append('%s')\n")
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with open(os.path.join('first', 'plugin.py'), 'w') as outfile:
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outfile.write(template % (tempattribute, 'first'))
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with open(os.path.join('second', 'plugin.py'), 'w') as outfile:
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outfile.write(template % (tempattribute, 'second'))
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self.load_with_paths(['first', 'second'])
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self.assertEqual(['first'], self.activeattributes[tempattribute])
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del self.activeattributes[tempattribute]
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def test_plugins_from_different_dirs_can_demand_load(self):
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self.assertFalse('breezy.plugins.pluginone' in sys.modules)
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self.assertFalse('breezy.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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breezy.tests.test_plugins.TestLoadingPlugins.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 plugins that will record when they are loaded in the
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# tempattribute list.
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template = ("from breezy.tests.test_plugins import TestLoadingPlugins\n"
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"TestLoadingPlugins.activeattributes[%r].append('%s')\n")
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with open(os.path.join('first', 'pluginone.py'), 'w') as outfile:
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outfile.write(template % (tempattribute, 'first'))
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with open(os.path.join('second', 'plugintwo.py'), 'w') as outfile:
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outfile.write(template % (tempattribute, 'second'))
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self.assertPluginUnknown('pluginone')
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self.assertPluginUnknown('plugintwo')
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self.update_module_paths(['first', 'second'])
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exec("import %spluginone" % self.module_prefix)
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self.assertEqual(['first'], self.activeattributes[tempattribute])
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exec("import %splugintwo" % self.module_prefix)
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self.assertEqual(['first', 'second'],
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self.activeattributes[tempattribute])
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del self.activeattributes[tempattribute]
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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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breezy.tests.test_plugins.TestLoadingPlugins.activeattributes[tempattribute] = [
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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 breezy.tests.test_plugins import TestLoadingPlugins\n"
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"TestLoadingPlugins.activeattributes[%r].append('%s')\n")
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with open(os.path.join('plugin_test', 'ts_plugin.py'), 'w') as outfile:
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outfile.write(template % (tempattribute, 'plugin'))
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self.load_with_paths(['plugin_test' + os.sep])
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self.assertEqual(['plugin'], self.activeattributes[tempattribute])
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self.assertPluginKnown('ts_plugin')
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del self.activeattributes[tempattribute]
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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('brz')
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log.addHandler(handler)
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self.load_with_paths(['.'])
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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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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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with open(name, 'w') as f:
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f.write("import breezy\n"
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"from breezy.errors import IncompatibleVersion\n"
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"raise IncompatibleVersion(breezy, [(1, 0, 0)], (0, 0, 5))\n")
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log = self.load_and_capture(name)
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self.assertNotContainsRe(log,
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r"It supports breezy version")
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self.assertEqual({'wants100'}, viewkeys(self.plugin_warnings))
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self.assertContainsRe(
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self.plugin_warnings['wants100'][0],
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r"It supports breezy 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 = 'brz-bad plugin-name..py'
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open(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 'brz-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 breezy.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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with open('plugin.py', 'w') as f:
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f.write(source + '\n')
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self.load_with_paths(['.'])
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def test_plugin_loaded(self):
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self.assertPluginUnknown('plugin')
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self.assertIs(None, breezy.plugin.get_loaded_plugin('plugin'))
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p = breezy.plugin.get_loaded_plugin('plugin')
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self.assertIsInstance(p, breezy.plugin.PlugIn)
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self.assertIs(p.module, sys.modules[self.module_prefix + 'plugin'])
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def test_plugin_loaded_disabled(self):
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self.assertPluginUnknown('plugin')
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self.overrideEnv('BRZ_DISABLE_PLUGINS', 'plugin')
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self.assertIs(None, breezy.plugin.get_loaded_plugin('plugin'))
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def test_plugin_appears_in_plugins(self):
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self.assertPluginKnown('plugin')
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p = self.plugins['plugin']
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self.assertIsInstance(p, breezy.plugin.PlugIn)
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self.assertIs(p.module, sys.modules[self.module_prefix + 'plugin'])
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def test_trivial_plugin_get_path(self):
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p = self.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.promote_cache(self.test_dir)
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self.load_with_paths(['.']) # 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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os.unlink(self.test_dir + '/plugin.py')
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self.promote_cache(self.test_dir)
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self.load_with_paths(['.']) # import plugin.pyc (or .pyo)
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p = plugin.plugins()['plugin']
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plugin_path = self.test_dir + '/plugin' + plugin.COMPILED_EXT
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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(loader, standard_tests, pattern):
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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 = breezy.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 = breezy.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 = breezy.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 = breezy.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 = breezy.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 = breezy.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 = breezy.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 = breezy.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 = breezy.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 = breezy.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 = breezy.plugin.plugins()['plugin']
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self.assertEqual("1.2.3.2", plugin.__version__)
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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('breezy.plugins.demo_module' in sys.modules)
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demo_module = FakeModule('', 'breezy.plugins.demo_module')
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sys.modules['breezy.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['breezy.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('breezy.plugins.demo_module' in sys.modules)
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demo_module = FakeModule('', 'breezy.plugins.demo_module')
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sys.modules['breezy.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['breezy.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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"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', 'breezy.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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'breezy.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 TestEnvPluginPath(tests.TestCase):
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entrypoints = "ENTRYPOINTS"
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def check_path(self, expected_dirs, setting_dirs):
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if setting_dirs is None:
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del os.environ['BRZ_PLUGIN_PATH']
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os.environ['BRZ_PLUGIN_PATH'] = os.pathsep.join(setting_dirs)
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actual = [(p if t == 'path' else t.upper())
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for p, t in plugin._env_plugin_path()]
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self.assertEqual(expected_dirs, actual)
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def test_default(self):
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self.check_path([self.user, self.core, self.entrypoints, self.site],
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def test_adhoc_policy(self):
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self.check_path([self.user, self.core, self.site, self.entrypoints],
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['+user', '+core', '+site'])
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def test_fallback_policy(self):
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self.check_path([self.core, self.site, self.user, self.entrypoints],
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['+core', '+site', '+user'])
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def test_override_policy(self):
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self.check_path([self.user, self.site, self.core, self.entrypoints],
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['+user', '+site', '+core'])
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def test_disable_user(self):
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self.check_path([self.core, self.entrypoints, self.site], ['-user'])
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def test_disable_user_twice(self):
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# Ensures multiple removals don't left cruft
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self.check_path([self.core, self.entrypoints, self.site], ['-user', '-user'])
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def test_duplicates_are_removed(self):
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self.check_path([self.user, self.core, self.entrypoints, self.site],
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# And only the first reference is kept (since the later references will
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# only produce '<plugin> already loaded' mutters)
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self.check_path([self.user, self.core, self.site, self.entrypoints],
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['+user', '+user', '+core',
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'+user', '+site', '+site',
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def test_disable_overrides_enable(self):
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self.check_path([self.core, self.entrypoints, self.site], ['-user', '+user'])
644
def test_disable_core(self):
645
self.check_path([self.entrypoints, self.site], ['-core'])
646
self.check_path([self.user, self.entrypoints, self.site], ['+user', '-core'])
648
def test_disable_site(self):
649
self.check_path([self.core, self.entrypoints], ['-site'])
650
self.check_path([self.user, self.core, self.entrypoints], ['-site', '+user'])
652
def test_override_site(self):
653
self.check_path(['mysite', self.user, self.core, self.entrypoints],
654
['mysite', '-site', '+user'])
655
self.check_path(['mysite', self.core, self.entrypoints],
658
def test_override_core(self):
659
self.check_path(['mycore', self.user, self.site, self.entrypoints],
660
['mycore', '-core', '+user', '+site'])
661
self.check_path(['mycore', self.entrypoints, self.site],
664
def test_my_plugin_only(self):
667
['myplugin', '-user', '-core', '-site', '-entrypoints'])
669
def test_my_plugin_first(self):
670
self.check_path(['myplugin', self.core, self.site, self.user, self.entrypoints],
671
['myplugin', '+core', '+site', '+user'])
673
def test_bogus_references(self):
674
self.check_path(['+foo', '-bar', self.core, self.entrypoints, self.site],
678
class TestDisablePlugin(BaseTestPlugins):
680
def test_cannot_import(self):
681
self.create_plugin_package('works')
682
self.create_plugin_package('fails')
683
self.overrideEnv('BRZ_DISABLE_PLUGINS', 'fails')
684
self.update_module_paths(["."])
685
import breezy.testingplugins.works as works
687
import breezy.testingplugins.fails as fails
691
self.fail("Loaded blocked plugin: " + repr(fails))
692
self.assertPluginModules({'fails': None, 'works': works})
694
def test_partial_imports(self):
695
self.create_plugin('good')
696
self.create_plugin('bad')
697
self.create_plugin_package('ugly')
698
self.overrideEnv('BRZ_DISABLE_PLUGINS', 'bad:ugly')
699
self.load_with_paths(['.'])
700
self.assertEqual({'good'}, viewkeys(self.plugins))
701
self.assertPluginModules({
702
'good': self.plugins['good'].module,
706
# Ensure there are no warnings about plugins not being imported as
707
# the user has explictly requested they be disabled.
708
self.assertNotContainsRe(self.get_log(), r"Unable to load plugin")
711
class TestEnvDisablePlugins(tests.TestCase):
713
def _get_names(self, env_value):
714
os.environ['BRZ_DISABLE_PLUGINS'] = env_value
715
return plugin._env_disable_plugins()
717
def test_unset(self):
718
self.assertEqual([], plugin._env_disable_plugins())
720
def test_empty(self):
721
self.assertEqual([], self._get_names(''))
723
def test_single(self):
724
self.assertEqual(['single'], self._get_names('single'))
726
def test_multi(self):
727
expected = ['one', 'two']
728
self.assertEqual(expected, self._get_names(os.pathsep.join(expected)))
730
def test_mixed(self):
731
value = os.pathsep.join(['valid', 'in-valid'])
732
self.assertEqual(['valid'], self._get_names(value))
733
self.assertContainsRe(
735
r"Invalid name 'in-valid' in BRZ_DISABLE_PLUGINS=" + repr(value))
738
class TestEnvPluginsAt(tests.TestCase):
740
def _get_paths(self, env_value):
741
os.environ['BRZ_PLUGINS_AT'] = env_value
742
return plugin._env_plugins_at()
744
def test_empty(self):
745
self.assertEqual([], plugin._env_plugins_at())
746
self.assertEqual([], self._get_paths(''))
748
def test_one_path(self):
749
self.assertEqual([('b', 'man')], self._get_paths('b@man'))
751
def test_multiple(self):
753
[('tools', 'bzr-tools'), ('p', 'play.py')],
754
self._get_paths(os.pathsep.join(('tools@bzr-tools', 'p@play.py'))))
756
def test_many_at(self):
758
[('church', 'StMichael@Plea@Norwich')],
759
self._get_paths('church@StMichael@Plea@Norwich'))
761
def test_only_py(self):
762
self.assertEqual([('test', './test.py')], self._get_paths('./test.py'))
764
def test_only_package(self):
765
self.assertEqual([('py', '/opt/b/py')], self._get_paths('/opt/b/py'))
767
def test_bad_name(self):
768
self.assertEqual([], self._get_paths('/usr/local/bzr-git'))
769
self.assertContainsRe(
771
r"Invalid name 'bzr-git' in BRZ_PLUGINS_AT='/usr/local/bzr-git'")
774
class TestLoadPluginAt(BaseTestPlugins):
777
super(TestLoadPluginAt, self).setUp()
778
# Create the same plugin in two directories
779
self.create_plugin_package('test_foo', dir='non-standard-dir')
780
# The "normal" directory, we use 'standard' instead of 'plugins' to
781
# avoid depending on the precise naming.
782
self.create_plugin_package('test_foo', dir='standard/test_foo')
784
def assertTestFooLoadedFrom(self, path):
785
self.assertPluginKnown('test_foo')
786
self.assertDocstring('This is the doc for test_foo',
787
self.module.test_foo)
788
self.assertEqual(path, self.module.test_foo.dir_source)
790
def test_regular_load(self):
791
self.load_with_paths(['standard'])
792
self.assertTestFooLoadedFrom('standard/test_foo')
794
def test_import(self):
795
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@non-standard-dir')
796
self.update_module_paths(['standard'])
797
import breezy.testingplugins.test_foo
798
self.assertTestFooLoadedFrom('non-standard-dir')
800
def test_loading(self):
801
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@non-standard-dir')
802
self.load_with_paths(['standard'])
803
self.assertTestFooLoadedFrom('non-standard-dir')
805
def test_loading_other_name(self):
806
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@non-standard-dir')
807
os.rename('standard/test_foo', 'standard/test_bar')
808
self.load_with_paths(['standard'])
809
self.assertTestFooLoadedFrom('non-standard-dir')
811
def test_compiled_loaded(self):
812
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@non-standard-dir')
813
self.load_with_paths(['standard'])
814
self.assertTestFooLoadedFrom('non-standard-dir')
815
self.assertIsSameRealPath('non-standard-dir/__init__.py',
816
self.module.test_foo.__file__)
818
# Try importing again now that the source has been compiled
819
os.remove('non-standard-dir/__init__.py')
820
self.promote_cache('non-standard-dir')
822
self.load_with_paths(['standard'])
823
self.assertTestFooLoadedFrom('non-standard-dir')
824
suffix = plugin.COMPILED_EXT
825
self.assertIsSameRealPath('non-standard-dir/__init__' + suffix,
826
self.module.test_foo.__file__)
828
def test_submodule_loading(self):
829
# We create an additional directory under the one for test_foo
830
self.create_plugin_package('test_bar', dir='non-standard-dir/test_bar')
831
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@non-standard-dir')
832
self.update_module_paths(['standard'])
833
import breezy.testingplugins.test_foo # noqa: F401
834
self.assertEqual(self.module_prefix + 'test_foo',
835
self.module.test_foo.__package__)
836
import breezy.testingplugins.test_foo.test_bar # noqa: F401
837
self.assertIsSameRealPath('non-standard-dir/test_bar/__init__.py',
838
self.module.test_foo.test_bar.__file__)
840
def test_relative_submodule_loading(self):
841
self.create_plugin_package('test_foo', dir='another-dir', source='''
842
from . import test_bar
844
# We create an additional directory under the one for test_foo
845
self.create_plugin_package('test_bar', dir='another-dir/test_bar')
846
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@another-dir')
847
self.update_module_paths(['standard'])
848
import breezy.testingplugins.test_foo # noqa: F401
849
self.assertEqual(self.module_prefix + 'test_foo',
850
self.module.test_foo.__package__)
851
self.assertIsSameRealPath('another-dir/test_bar/__init__.py',
852
self.module.test_foo.test_bar.__file__)
854
def test_loading_from___init__only(self):
855
# We rename the existing __init__.py file to ensure that we don't load
857
init = 'non-standard-dir/__init__.py'
858
random = 'non-standard-dir/setup.py'
859
os.rename(init, random)
860
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@non-standard-dir')
861
self.load_with_paths(['standard'])
862
self.assertPluginUnknown('test_foo')
864
def test_loading_from_specific_file(self):
865
plugin_dir = 'non-standard-dir'
866
plugin_file_name = 'iamtestfoo.py'
867
plugin_path = osutils.pathjoin(plugin_dir, plugin_file_name)
869
"""This is the doc for %s"""
871
''' % ('test_foo', plugin_path)
872
self.create_plugin('test_foo', source=source,
873
dir=plugin_dir, file_name=plugin_file_name)
874
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@%s' % plugin_path)
875
self.load_with_paths(['standard'])
876
self.assertTestFooLoadedFrom(plugin_path)
879
class TestDescribePlugins(BaseTestPlugins):
881
def test_describe_plugins(self):
882
class DummyModule(object):
885
class DummyPlugin(object):
886
__version__ = '0.1.0'
887
module = DummyModule()
888
self.plugin_warnings = {'bad': ['Failed to load (just testing)']}
889
self.plugins = {'good': DummyPlugin()}
890
self.assertEqual("""\
892
** Failed to load (just testing)
897
""", ''.join(plugin.describe_plugins(state=self)))
900
class DummyPlugin(object):
904
class TestLoadEnvPlugin(BaseTestPlugins):
906
_test_needs_features = [pkg_resources_feature]
908
def setup_plugin(self, source=""):
909
# This test tests a new plugin appears in breezy.plugin.plugins().
910
# check the plugin is not loaded already
911
self.assertPluginUnknown('plugin')
912
# write a plugin that _cannot_ fail to load.
914
d = pkg_resources.Distribution(__file__)
915
ep = pkg_resources.EntryPoint.parse(
916
'plugin = ' + __name__ + ':DummyPlugin', dist=d)
917
d._ep_map = {'breezy.plugin': {'plugin': ep}}
918
pkg_resources.working_set.add(d, 'plugin', replace=True)
919
eps = list(pkg_resources.iter_entry_points('breezy.plugin'))
920
self.assertEqual(['plugin'], [ep.name for ep in eps])
921
self.load_with_paths(['.'])
922
self.addCleanup(d._ep_map.clear)
924
def test_plugin_loaded(self):
925
self.assertPluginUnknown('plugin')
927
p = self.plugins['plugin']
928
self.assertIsInstance(p, breezy.plugin.PlugIn)
929
self.assertIs(p.module, sys.modules[self.module_prefix + 'plugin'])
931
def test_plugin_loaded_disabled(self):
932
self.assertPluginUnknown('plugin')
933
self.overrideEnv('BRZ_DISABLE_PLUGINS', 'plugin')
935
self.assertNotIn('plugin', self.plugins)
added
removed
breezy/tests/test_plugins.py
