def test_passing(): assert only_red([[255, 0, 0]]) == [[255, 0, 0]] assert only_red([[2, 2, 2]]) == [[2, 0, 0]] assert only_red([[9, 9, 10]]) == [[9, 0, 0]]
def test_not_passing(): assert only_red([[255, 0, 0]]) != [[0, 0, 0]] assert only_red([[2, 0, 0]]) != [] assert only_red([[9, 9, 100]]) != [[9, 9, 9]]
def test_only_red(self): image_list = image_editor.read_image('tinypix.ppm') input = image_editor.only_red(image_list) expected_output = image_editor.read_image('expected_red_output.ppm') self.assertEqual(input, expected_output)