def test_image_no_nan_values(): img = Image(np.random.rand(1, 3, 3), copy=False) assert not img.has_nan_values()
def test_image_has_nan_values(): img = Image(np.random.rand(1, 3, 3), copy=False) img.pixels[0, 0, 0] = np.nan assert img.has_nan_values()