def test_unsupported_extensions_are_not_loaded(self):
stub_plugin = StubPlugin(supported_extensions=["e1", "e3"])
ext_mgr = PluginAwareExtensionManager('', stub_plugin)
ext_mgr.add_extension(StubExtension("e1"))
ext_mgr.add_extension(StubExtension("e2"))
ext_mgr.add_extension(StubExtension("e3"))
self.assertTrue("e1" in ext_mgr.extensions)
self.assertFalse("e2" in ext_mgr.extensions)
self.assertTrue("e3" in ext_mgr.extensions)
def test_extensions_expecting_quantum_plugin_interface_are_loaded(self):
class ExtensionForQuamtumPluginInterface(StubExtension):
"""
This Extension does not implement get_plugin_interface method.
This will work with any plugin implementing QuantumPluginBase
"""
pass
stub_plugin = StubPlugin(supported_extensions=["e1"])
ext_mgr = PluginAwareExtensionManager('', stub_plugin)
ext_mgr.add_extension(ExtensionForQuamtumPluginInterface("e1"))
self.assertTrue("e1" in ext_mgr.extensions)
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
ext_mgr = PluginAwareExtensionManager('', ExtensionUnawarePlugin())
ext_mgr.add_extension(StubExtension("e1"))
self.assertFalse("e1" in ext_mgr.extensions)
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
ext_mgr = PluginAwareExtensionManager('', ExtensionUnawarePlugin())
ext_mgr.add_extension(StubExtension("e1"))
self.assertFalse("e1" in ext_mgr.extensions)
def test_extensions_not_loaded_for_plugin_without_expected_interface(self):
class PluginWithoutExpectedInterface(object):
"""
Plugin does not implement get_foo method as expected by extension
"""
supported_extension_aliases = ["supported_extension"]
ext_mgr = PluginAwareExtensionManager("", PluginWithoutExpectedInterface())
ext_mgr.add_extension(ExtensionExpectingPluginInterface("supported_extension"))
self.assertFalse("e1" in ext_mgr.extensions)
def test_extensions_expecting_quantum_plugin_interface_are_loaded(self):
class ExtensionForQuamtumPluginInterface(StubExtension):
"""
This Extension does not implement get_plugin_interface method.
This will work with any plugin implementing QuantumPluginBase
"""
pass
stub_plugin = StubPlugin(supported_extensions=["e1"])
ext_mgr = PluginAwareExtensionManager('', stub_plugin)
ext_mgr.add_extension(ExtensionForQuamtumPluginInterface("e1"))
self.assertTrue("e1" in ext_mgr.extensions)
def test_extensions_not_loaded_for_plugin_without_expected_interface(self):
class PluginWithoutExpectedInterface(object):
"""
Plugin does not implement get_foo method as expected by extension
"""
supported_extension_aliases = ["supported_extension"]
ext_mgr = PluginAwareExtensionManager('',
PluginWithoutExpectedInterface())
ext_mgr.add_extension(
ExtensionExpectingPluginInterface("supported_extension"))
self.assertFalse("e1" in ext_mgr.extensions)
def test_extensions_without_need_for__plugin_interface_are_loaded(self):
class ExtensionWithNoNeedForPluginInterface(StubExtension):
"""
This Extension does not need any plugin interface.
This will work with any plugin implementing QuantumPluginBase
"""
def get_plugin_interface(self):
return None
stub_plugin = StubPlugin(supported_extensions=["e1"])
ext_mgr = PluginAwareExtensionManager('', stub_plugin)
ext_mgr.add_extension(ExtensionWithNoNeedForPluginInterface("e1"))
self.assertTrue("e1" in ext_mgr.extensions)
def test_extensions_without_need_for__plugin_interface_are_loaded(self):
class ExtensionWithNoNeedForPluginInterface(StubExtension):
"""
This Extension does not need any plugin interface.
This will work with any plugin implementing QuantumPluginBase
"""
def get_plugin_interface(self):
return None
stub_plugin = StubPlugin(supported_extensions=["e1"])
ext_mgr = PluginAwareExtensionManager('', stub_plugin)
ext_mgr.add_extension(ExtensionWithNoNeedForPluginInterface("e1"))
self.assertTrue("e1" in ext_mgr.extensions)
def test_extensions_are_loaded_for_plugin_with_expected_interface(self):
class PluginWithExpectedInterface(object):
"""
This Plugin implements get_foo method as expected by extension
"""
supported_extension_aliases = ["supported_extension"]
def get_foo(self, bar=None):
pass
ext_mgr = PluginAwareExtensionManager("", PluginWithExpectedInterface())
ext_mgr.add_extension(ExtensionExpectingPluginInterface("supported_extension"))
self.assertTrue("supported_extension" in ext_mgr.extensions)
def test_extensions_are_loaded_for_plugin_with_expected_interface(self):
class PluginWithExpectedInterface(object):
"""
This Plugin implements get_foo method as expected by extension
"""
supported_extension_aliases = ["supported_extension"]
def get_foo(self, bar=None):
pass
ext_mgr = PluginAwareExtensionManager('',
PluginWithExpectedInterface())
ext_mgr.add_extension(
ExtensionExpectingPluginInterface("supported_extension"))
self.assertTrue("supported_extension" in ext_mgr.extensions)
def setup_extensions_middleware(extension_manager=None):
extension_manager = (extension_manager or PluginAwareExtensionManager(
extensions_path, FakePluginWithExtension()))
config_file = 'quantum.conf.test'
args = ['--config-file', etcdir(config_file)]
config.parse(args=args)
app = config.load_paste_app('extensions_test_app')
return ExtensionMiddleware(app, ext_mgr=extension_manager)
def test_unsupported_extensions_are_not_loaded(self):
stub_plugin = StubPlugin(supported_extensions=["e1", "e3"])
ext_mgr = PluginAwareExtensionManager('', stub_plugin)
ext_mgr.add_extension(StubExtension("e1"))
ext_mgr.add_extension(StubExtension("e2"))
ext_mgr.add_extension(StubExtension("e3"))
self.assertTrue("e1" in ext_mgr.extensions)
self.assertFalse("e2" in ext_mgr.extensions)
self.assertTrue("e3" in ext_mgr.extensions)
def setup_extensions_middleware(extension_manager=None):
extension_manager = (extension_manager or PluginAwareExtensionManager(
extensions_path, QuantumEchoPlugin()))
options = {'config_file': test_conf_file}
conf, app = config.load_paste_app('extensions_test_app', options, None)
return ExtensionMiddleware(app, conf, ext_mgr=extension_manager)