def test_ok_calculate(self):
args = (
(Color((0x50, 0x50, 0x50)), 4, (0xB7, 0xB7, 0xB7)),
(Color((0xB7, 0xB7, 0xB7)), 6, (0x35, 0x35, 0x35)),
)
for color, contrast, rgb in args:
self.assertColorEqual(color.inverted(contrast), rgb)
def test_impossible(self):
args = (
(Color((0x7F, 0x7F, 0x7F)), 10),
(Color((0x00, 0xFF, 0xFF)), 21),
)
with patch("sys.stderr", new=StringIO()):
for color, contrast in args:
self.assertRaises(RuntimeError, color.inverted, contrast)
def test_ok(self):
args = (
((0x00, 0x00, 0x00), "Black"),
((0xFF, 0x00, 0x00), "Red"),
((0xFF, 0xFF, 0xFF), "White"),
((0x12, 0x34, 0x56), "Anonymous"),
)
for rgb, name in args:
self.assertColorEqual(Color(rgb), rgb, name)
self.assertColorEqual(Color((0x12, 0x34, 0x56), "Custom"),
(0x12, 0x34, 0x56), "Custom")
def test(self):
args = (
((0x00, 0x00, 0x00), (0xFF, 0xFF, 0xFF), 21),
((0x00, 0x00, 0xFF), (0xFF, 0xFF, 0xFF), 8),
((0x00, 0x00, 0xFF), (0xFF, 0x00, 0x00), 2),
((0x00, 0x00, 0x00), (0x00, 0x00, 0x00), 1),
((0xFF, 0xFF, 0xFF), (0xFF, 0xFF, 0xFF), 1),
)
for a, b, result in args:
a, b = Color(a), Color(b)
self.assertEqual(a // b, b // a)
self.assertEqual(result, a // b)
def test(self):
args = (
((0x00, 0x00, 0x00), (0xFF, 0xFF, 0xFF), 21.0),
((0x00, 0x00, 0xFF), (0xFF, 0xFF, 0xFF), 8.59),
((0x00, 0x00, 0xFF), (0xFF, 0x00, 0x00), 2.14),
((0x00, 0x00, 0x00), (0x00, 0x00, 0x00), 1.0),
((0xFF, 0xFF, 0xFF), (0xFF, 0xFF, 0xFF), 1.0),
)
for a, b, result in args:
a, b = Color(a), Color(b)
self.assertEqual(a / b, b / a)
self.assertEqual(result, int((a / b) * 100) / 100)
def test_ok(self):
args = (1, 21)
for arg in args:
self.assertPasses(Color((0, 0, 0)).inverted, arg)
args = (
(Color((0x00, 0x00, 0x00)), (0xFF, 0xFF, 0xFF), "White"),
(Color((0xFF, 0xFF, 0xFF)), (0x00, 0x00, 0x00), "Black"),
(Color((0x00, 0xFF, 0xFF)), (0xFF, 0x00, 0x00), "Red"),
(Color((0xFF, 0x00, 0x00)), (0x00, 0xFF, 0xFF), "Cyan"),
)
for color, rgb, name in args:
self.assertColorEqual(color.inverted(), rgb, name)
def test(self):
args = (
((0x00, 0x00, 0x00), (0, 0, 0, 100)),
((0xFF, 0x00, 0x00), (0, 100, 100, 0)),
((0xAB, 0xCD, 0xEF), (28, 14, 0, 6)),
)
for rgb, result in args:
self.assertEqual(result, Color(rgb).cmyk)
def test(self):
args = (
((0x00, 0x00, 0x00), (0, 0, 0)),
((0xFF, 0x00, 0x00), (0, 100, 50)),
((0xAB, 0xCD, 0xEF), (210, 68, 80)),
)
for rgb, result in args:
self.assertEqual(result, Color(rgb).hsl)
def test(self):
args = (
((0x00, 0x00, 0x00), True, "000000"),
((0xFF, 0x00, 0x00), True, "ff0000"),
((0xFF, 0x00, 0x00), False, "FF0000"),
((0xAB, 0xCD, 0xEF), True, "abcdef"),
((0xAB, 0xCD, 0xEF), False, "ABCDEF"),
)
for rgb, lowercase, result in args:
self.assertEqual(result, Color(rgb).hex(lowercase))
def test(self):
args = (
(0.0, (0x00, 0x00, 0x00)),
(1.0, (0xFF, 0xFF, 0xFF)),
(0.2126, (0xFF, 0x00, 0x00)),
(0.7151, (0x00, 0xFF, 0x00)),
(0.0722, (0x00, 0x00, 0xFF)),
)
for luminance, rgb in args:
self.assertEqual(luminance,
int(Color(rgb).luminance * 10_000) / 10_000)
def test(self):
self.assertEqual("Color(rgb=(0, 0, 0), name='Black')",
str(Color((0x00, 0x00, 0x00), "Black")))
self.assertEqual("Color(rgb=(0, 0, 0), name='Black')",
repr(Color((0x00, 0x00, 0x00), "Black")))
def test_nok_contrast(self):
args = (0.9, 21.1)
with patch("sys.stderr", new=StringIO()):
for arg in args:
self.assertRaises(ValueError, Color((0, 0, 0)).inverted, arg)
def test_ok_contrast(self):
args = (1, 21)
for arg in args:
self.assertPasses(Color((0, 0, 0)).inverted, arg)