def test_load_cache_backend_returns_correct_class(self): klass = _load_backend_class() self.assertIsInstance(klass, CacheBackend)
def test_backend_setting_undefined_raises_InvalidConfigurationError_exception( self): with self.assertRaises(InvalidConfigurationError): _load_backend_class()
def test_load_database_backend_returns_correct_class(self): klass = _load_backend_class() self.assertIsInstance(klass, DatabaseBackend)