def METHOD_NAME(self):
    materials = Materials(
        ambient_color=torch.randn(10, 3),
        diffuse_color=torch.randn(1, 3),
        specular_color=torch.randn(1, 3),
        shininess=torch.randn(1),
    )
    self.assertTrue(materials.ambient_color.shape == (10, 3))
    self.assertTrue(materials.diffuse_color.shape == (10, 3))
    self.assertTrue(materials.specular_color.shape == (10, 3))
    self.assertTrue(materials.shininess.shape == (10,))