def test_serialization_with_layers(self):
activation = activation_layers.LeakyReLU(alpha=0.1)
layer = core.Dense(3, activation=activation)
config = serialization.serialize(layer)
# with custom objects
deserialized_layer = serialization.deserialize(
config, custom_objects={'LeakyReLU': activation})
self.assertEqual(deserialized_layer.__class__.__name__,
layer.__class__.__name__)
self.assertEqual(deserialized_layer.activation.__class__.__name__,
activation.__class__.__name__)
# without custom objects
deserialized_layer = serialization.deserialize(config)
self.assertEqual(deserialized_layer.__class__.__name__,
layer.__class__.__name__)
self.assertEqual(deserialized_layer.activation.__class__.__name__,
activation.__class__.__name__)
def test_invalid_usage(self):
with self.assertRaises(ValueError):
activations.get("unknown")
# The following should be possible but should raise a warning:
activations.get(activation_layers.LeakyReLU())