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_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)