def test_returns_layer(self):
layer = Layer(size=3,
prev_size=2,
activation=activation_functions.Rectifier)
next_layer = layer.create_next_layer(
size=5, activation=activation_functions.Rectifier)
self.assertIsInstance(next_layer, Layer)
def test_created_layer_has_correct_activation_function(self):
layer = Layer(size=3,
prev_size=2,
activation=activation_functions.Rectifier)
next_layer = layer.create_next_layer(
size=5, activation=activation_functions.Rectifier)
self.assertEqual(next_layer.get_activation(),
activation_functions.Rectifier)
next_layer = next_layer.create_next_layer(
size=5, activation=activation_functions.Sigmoid)
self.assertEqual(next_layer.get_activation(),
activation_functions.Sigmoid)
def test_created_layer_has_correct_parameters(self):
layer = Layer(size=3,
prev_size=2,
activation=activation_functions.Rectifier)
next_layer = layer.create_next_layer(
size=5, activation=activation_functions.Rectifier)
self.assertTupleEqual(next_layer.biases().shape, (5, ))
self.assertTupleEqual(next_layer.weights().shape, (5, 3))
next_layer = next_layer.create_next_layer(
size=4, activation=activation_functions.Rectifier)
self.assertTupleEqual(next_layer.biases().shape, (4, ))
self.assertTupleEqual(next_layer.weights().shape, (4, 5))