def test_extensions_are_not_loaded_for_plugins_unaware_of_extensions(self): class ExtensionUnawarePlugin(object): """This plugin does not implement supports_extension method. Extensions will not be loaded when this plugin is used. """ pass plugin_info = {constants.CORE: ExtensionUnawarePlugin()} ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info) ext_mgr.add_extension(ext_stubs.StubExtension("e1")) self.assertNotIn("e1", ext_mgr.extensions)
def test_extension_loaded_for_non_core_plugin(self): class NonCorePluginExtenstion(ext_stubs.StubExtension): def get_plugin_interface(self): return None stub_plugin = ext_stubs.StubPlugin(supported_extensions=["e1"]) plugin_info = {constants.DUMMY: stub_plugin} with mock.patch("tacker.api.extensions.PluginAwareExtensionManager." "check_if_plugin_extensions_loaded"): ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info) ext_mgr.add_extension(NonCorePluginExtenstion("e1")) self.assertIn("e1", ext_mgr.extensions)
def test_extensions_not_loaded_for_plugin_without_expected_interface(self): class PluginWithoutExpectedIface(object): """Does not implement get_foo method as expected by extension.""" supported_extension_aliases = ["supported_extension"] plugin_info = {constants.CORE: PluginWithoutExpectedIface()} with mock.patch("tacker.api.extensions.PluginAwareExtensionManager." "check_if_plugin_extensions_loaded"): ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info) ext_mgr.add_extension( ext_stubs.ExtensionExpectingPluginInterface( "supported_extension")) self.assertNotIn("e1", ext_mgr.extensions)
def test_unsupported_extensions_are_not_loaded(self): stub_plugin = ext_stubs.StubPlugin(supported_extensions=["e1", "e3"]) plugin_info = {constants.CORE: stub_plugin} with mock.patch("tacker.api.extensions.PluginAwareExtensionManager." "check_if_plugin_extensions_loaded"): ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info) ext_mgr.add_extension(ext_stubs.StubExtension("e1")) ext_mgr.add_extension(ext_stubs.StubExtension("e2")) ext_mgr.add_extension(ext_stubs.StubExtension("e3")) self.assertIn("e1", ext_mgr.extensions) self.assertNotIn("e2", ext_mgr.extensions) self.assertIn("e3", ext_mgr.extensions)
def test_extensions_expecting_tacker_plugin_interface_are_loaded(self): class ExtensionForQuamtumPluginInterface(ext_stubs.StubExtension): """This Extension does not implement get_plugin_interface method. This will work with any plugin implementing TackerPluginBase """ pass stub_plugin = ext_stubs.StubPlugin(supported_extensions=["e1"]) plugin_info = {constants.CORE: stub_plugin} with mock.patch("tacker.api.extensions.PluginAwareExtensionManager." "check_if_plugin_extensions_loaded"): ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info) ext_mgr.add_extension(ExtensionForQuamtumPluginInterface("e1")) self.assertIn("e1", ext_mgr.extensions)
def test_extensions_without_need_for__plugin_interface_are_loaded(self): class ExtensionWithNoNeedForPluginInterface(ext_stubs.StubExtension): """This Extension does not need any plugin interface. This will work with any plugin implementing TackerPluginBase """ def get_plugin_interface(self): return None stub_plugin = ext_stubs.StubPlugin(supported_extensions=["e1"]) plugin_info = {constants.CORE: stub_plugin} with mock.patch("tacker.api.extensions.PluginAwareExtensionManager." "check_if_plugin_extensions_loaded"): ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info) ext_mgr.add_extension(ExtensionWithNoNeedForPluginInterface("e1")) self.assertIn("e1", ext_mgr.extensions)
def test_extensions_are_loaded_for_plugin_with_expected_interface(self): class PluginWithExpectedInterface(object): """Implements get_foo method as expected by extension.""" supported_extension_aliases = ["supported_extension"] def get_foo(self, bar=None): pass plugin_info = {constants.CORE: PluginWithExpectedInterface()} with mock.patch("tacker.api.extensions.PluginAwareExtensionManager." "check_if_plugin_extensions_loaded"): ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info) ext_mgr.add_extension( ext_stubs.ExtensionExpectingPluginInterface( "supported_extension")) self.assertIn("supported_extension", ext_mgr.extensions)