def test_activations(self):
layer = Layer(1, 'hidden')
layer.add_nodes(2, 'hidden')
layer.set_activation_type('linear')
layer.nodes[0].set_value(.2)
layer.nodes[1].set_value(.3)
activations = layer.activations()
self.assertEqual(True, isinstance(activations, list))
self.assertEqual(.2, activations[0])
self.assertEqual(.3, activations[1])
