def test_extension_loaded_for_non_core_plugin(self):
class NonCorePluginExtenstion(StubExtension):
def get_plugin_interface(self):
return None
stub_plugin = StubPlugin(supported_extensions=["e1"])
ext_mgr = PluginAwareExtensionManager('', {constants.DUMMY:
stub_plugin})
ext_mgr.add_extension(NonCorePluginExtenstion("e1"))
self.assertTrue("e1" in ext_mgr.extensions)
def test_unsupported_extensions_are_not_loaded(self):
stub_plugin = StubPlugin(supported_extensions=["e1", "e3"])
ext_mgr = PluginAwareExtensionManager('',
{constants.CORE: 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('', {constants.CORE:
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('',
{constants.CORE:
ExtensionUnawarePlugin()})
ext_mgr.add_extension(StubExtension("e1"))
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('', {constants.CORE:
stub_plugin})
ext_mgr.add_extension(ExtensionWithNoNeedForPluginInterface("e1"))
self.assertTrue("e1" in ext_mgr.extensions)
def test_extensions_not_loaded_for_plugin_without_expected_interface(self):
class PluginWithoutExpectedIface(object):
"""
Plugin does not implement get_foo method as expected by extension
"""
supported_extension_aliases = ["supported_extension"]
ext_mgr = PluginAwareExtensionManager('',
{constants.CORE:
PluginWithoutExpectedIface()})
ext_mgr.add_extension(
ExtensionExpectingPluginInterface("supported_extension"))
self.assertFalse("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('',
{constants.CORE:
PluginWithExpectedInterface()})
ext_mgr.add_extension(
ExtensionExpectingPluginInterface("supported_extension"))
self.assertTrue("supported_extension" in ext_mgr.extensions)
