def test_color(self):
"""Test color constructor on happy path"""
temp_rgb = Color(Color.RGB, 0, 255, 0)
temp_hls = Color(Color.HLS, 0, 1, 1)
self.assertIsInstance(temp_rgb, Color)
self.assertIsInstance(temp_hls, Color)
def _calculate_shade_of_triangle(tri: Triangle) -> Color:
"""
Calculate the shade of a color based on triangles angle to light
Using color in HLS color space we can manipulate the illumination
"""
dot_value = tri.angle_to_light
base_color = Color(Color.RGB, 0, 255, 0) # Use Green for now
# Change illumination of triangle based on angle
color_hls_form = base_color.to_hls()
color_hls_form[1] *= dot_value
shade_of_triangle = Color(Color.HLS, *color_hls_form)
return shade_of_triangle
def test_to_hex(self):
"""Test conversion to hex"""
green_as_rgb = Color(Color.RGB, 0, 255, 0)
self.assertEqual("#00ff00", green_as_rgb.to_hex())
green_as_hls = Color(Color.HLS, *green_as_rgb.to_hls())
self.assertEqual("#00ff00", green_as_hls.to_hex())
def test_hls_to_rgb(self):
"""Test hls conversion to rgb"""
green_as_hls = Color(Color.HLS, 120, 0.5, 1.0)
self.assertEqual([0, 255, 0], green_as_hls.to_rgb())
red_as_hls = Color(Color.HLS, 0, 0.5, 1.0)
self.assertEqual([255, 0, 0], red_as_hls.to_rgb())
black_as_hls = Color(Color.HLS, 360, 0, 0)
self.assertEqual([0, 0, 0], black_as_hls.to_rgb())
black_as_hls_2 = Color(Color.HLS, 34, 0, 0)
self.assertEqual([0, 0, 0], black_as_hls_2.to_rgb())
white_as_hls = Color(Color.HLS, 357, 1, 0.21)
self.assertEqual([255, 255, 255], white_as_hls.to_rgb())
def test_rgb_to_hls(self):
"""Test green rgb conversion to hls"""
green_as_rgb = Color(Color.RGB, 0, 255, 0)
self.assertEqual([120, 0.5, 1.0], green_as_rgb.to_hls())
def test_raises_hue_wrong_value(self):
"""Test constructor raises if Hue beyond range[0, 360]"""
with self.assertRaises(ValueError):
Color(Color.HLS, -2, 0, 0)
Color(Color.HLS, 361, 0, 0)
def test_raises_rgb_beyond_range(self):
"""Test constructor raises if RGB values beyond range[0,255]"""
with self.assertRaises(ValueError):
Color(Color.RGB, 0, 0, -1)
Color(Color.RGB, 0, 0, 256)
def test_raises_wrong_space(self):
"""Test constructor raises if wrong color space used"""
with self.assertRaises(ValueError):
Color("wrong value", 0, 0, 0)
def test_raises_args_length(self):
"""Test constructor raises if there aren't 3 values"""
with self.assertRaises(ValueError):
Color(Color.RGB, 0)