def test_covert_rgb_and_back(self):
expected_green_color = 256 * 256 * 256 - 1
rgb_green = tools._covert_integer_to_rgb_color(expected_green_color)
actual_color = tools._convert_rgb_color_to_integer(rgb_green)
self.assertEqual(expected_green_color, actual_color)
expected_black_color = 256 * 256 * 256 - 1
rgb_black = tools._covert_integer_to_rgb_color(expected_black_color)
actual_color = tools._convert_rgb_color_to_integer(rgb_black)
self.assertEqual(expected_black_color, actual_color)
def test_rgb_tuple_to_integer(self):
white_color = (0, 0, 0)
self.assertEqual(0, tools._convert_rgb_color_to_integer(white_color))
light_red_color = (100, 0, 0)
self.assertEqual(100, tools._convert_rgb_color_to_integer(light_red_color))
light_green_color = (0, 100, 0)
self.assertEqual(256 * 100, tools._convert_rgb_color_to_integer(light_green_color))
light_blue_color = (0, 0, 100)
self.assertEqual(256 * 256 * 100, tools._convert_rgb_color_to_integer(light_blue_color))
black_color = (255, 255, 255)
self.assertEqual(256 * 256 * 256 - 1, tools._convert_rgb_color_to_integer(black_color))