#!/usr/bin/env python2 # vim:fileencoding=utf-8 from __future__ import absolute_import, division, print_function, unicode_literals __license__ = 'GPL v3' __copyright__ = '2014, Kovid Goyal ' from tinycss.color3 import parse_color_string, hsl_to_rgb from tinycss.tests import BaseTest class TestColor3(BaseTest): def test_color_parsing(self): for css_source, expected_result in [ ('', None), (' /* hey */\n', None), ('4', None), ('top', None), ('/**/transparent', (0, 0, 0, 0)), ('transparent', (0, 0, 0, 0)), (' transparent\n', (0, 0, 0, 0)), ('TransParent', (0, 0, 0, 0)), ('currentColor', 'currentColor'), ('CURRENTcolor', 'currentColor'), ('current_Color', None), ('black', (0, 0, 0, 1)), ('white', (1, 1, 1, 1)), ('fuchsia', (1, 0, 1, 1)), ('cyan', (0, 1, 1, 1)), ('CyAn', (0, 1, 1, 1)), ('darkkhaki', (189 / 255., 183 / 255., 107 / 255., 1)), ('#', None), ('#f', None), ('#ff', None), ('#fff', (1, 1, 1, 1)), ('#ffg', None), ('#ffff', None), ('#fffff', None), ('#ffffff', (1, 1, 1, 1)), ('#fffffg', None), ('#fffffff', None), ('#ffffffff', None), ('#fffffffff', None), ('#cba987', (203 / 255., 169 / 255., 135 / 255., 1)), ('#CbA987', (203 / 255., 169 / 255., 135 / 255., 1)), ('#1122aA', (17 / 255., 34 / 255., 170 / 255., 1)), ('#12a', (17 / 255., 34 / 255., 170 / 255., 1)), ('rgb(203, 169, 135)', (203 / 255., 169 / 255., 135 / 255., 1)), ('RGB(255, 255, 255)', (1, 1, 1, 1)), ('rgB(0, 0, 0)', (0, 0, 0, 1)), ('rgB(0, 51, 255)', (0, .2, 1, 1)), ('rgb(0,51,255)', (0, .2, 1, 1)), ('rgb(0\t, 51 ,255)', (0, .2, 1, 1)), ('rgb(/* R */0, /* G */51, /* B */255)', (0, .2, 1, 1)), ('rgb(-51, 306, 0)', (-.2, 1.2, 0, 1)), # out of 0..1 is allowed ('rgb(42%, 3%, 50%)', (.42, .03, .5, 1)), ('RGB(100%, 100%, 100%)', (1, 1, 1, 1)), ('rgB(0%, 0%, 0%)', (0, 0, 0, 1)), ('rgB(10%, 20%, 30%)', (.1, .2, .3, 1)), ('rgb(10%,20%,30%)', (.1, .2, .3, 1)), ('rgb(10%\t, 20% ,30%)', (.1, .2, .3, 1)), ('rgb(/* R */10%, /* G */20%, /* B */30%)', (.1, .2, .3, 1)), ('rgb(-12%, 110%, 1400%)', (-.12, 1.1, 14, 1)), # out of 0..1 is allowed ('rgb(10%, 50%, 0)', None), ('rgb(255, 50%, 0%)', None), ('rgb(0, 0 0)', None), ('rgb(0, 0, 0deg)', None), ('rgb(0, 0, light)', None), ('rgb()', None), ('rgb(0)', None), ('rgb(0, 0)', None), ('rgb(0, 0, 0, 0)', None), ('rgb(0%)', None), ('rgb(0%, 0%)', None), ('rgb(0%, 0%, 0%, 0%)', None), ('rgb(0%, 0%, 0%, 0)', None), ('rgba(0, 0, 0, 0)', (0, 0, 0, 0)), ('rgba(203, 169, 135, 0.3)', (203 / 255., 169 / 255., 135 / 255., 0.3)), ('RGBA(255, 255, 255, 0)', (1, 1, 1, 0)), ('rgBA(0, 51, 255, 1)', (0, 0.2, 1, 1)), ('rgba(0, 51, 255, 1.1)', (0, 0.2, 1, 1)), ('rgba(0, 51, 255, 37)', (0, 0.2, 1, 1)), ('rgba(0, 51, 255, 0.42)', (0, 0.2, 1, 0.42)), ('rgba(0, 51, 255, 0)', (0, 0.2, 1, 0)), ('rgba(0, 51, 255, -0.1)', (0, 0.2, 1, 0)), ('rgba(0, 51, 255, -139)', (0, 0.2, 1, 0)), ('rgba(42%, 3%, 50%, 0.3)', (.42, .03, .5, 0.3)), ('RGBA(100%, 100%, 100%, 0)', (1, 1, 1, 0)), ('rgBA(0%, 20%, 100%, 1)', (0, 0.2, 1, 1)), ('rgba(0%, 20%, 100%, 1.1)', (0, 0.2, 1, 1)), ('rgba(0%, 20%, 100%, 37)', (0, 0.2, 1, 1)), ('rgba(0%, 20%, 100%, 0.42)', (0, 0.2, 1, 0.42)), ('rgba(0%, 20%, 100%, 0)', (0, 0.2, 1, 0)), ('rgba(0%, 20%, 100%, -0.1)', (0, 0.2, 1, 0)), ('rgba(0%, 20%, 100%, -139)', (0, 0.2, 1, 0)), ('rgba(255, 255, 255, 0%)', None), ('rgba(10%, 50%, 0, 1)', None), ('rgba(255, 50%, 0%, 1)', None), ('rgba(0, 0, 0 0)', None), ('rgba(0, 0, 0, 0deg)', None), ('rgba(0, 0, 0, light)', None), ('rgba()', None), ('rgba(0)', None), ('rgba(0, 0, 0)', None), ('rgba(0, 0, 0, 0, 0)', None), ('rgba(0%)', None), ('rgba(0%, 0%)', None), ('rgba(0%, 0%, 0%)', None), ('rgba(0%, 0%, 0%, 0%)', None), ('rgba(0%, 0%, 0%, 0%, 0%)', None), ('HSL(0, 0%, 0%)', (0, 0, 0, 1)), ('hsL(0, 100%, 50%)', (1, 0, 0, 1)), ('hsl(60, 100%, 37.5%)', (0.75, 0.75, 0, 1)), ('hsl(780, 100%, 37.5%)', (0.75, 0.75, 0, 1)), ('hsl(-300, 100%, 37.5%)', (0.75, 0.75, 0, 1)), ('hsl(300, 50%, 50%)', (0.75, 0.25, 0.75, 1)), ('hsl(10, 50%, 0)', None), ('hsl(50%, 50%, 0%)', None), ('hsl(0, 0% 0%)', None), ('hsl(30deg, 100%, 100%)', None), ('hsl(0, 0%, light)', None), ('hsl()', None), ('hsl(0)', None), ('hsl(0, 0%)', None), ('hsl(0, 0%, 0%, 0%)', None), ('HSLA(-300, 100%, 37.5%, 1)', (0.75, 0.75, 0, 1)), ('hsLA(-300, 100%, 37.5%, 12)', (0.75, 0.75, 0, 1)), ('hsla(-300, 100%, 37.5%, 0.2)', (0.75, 0.75, 0, .2)), ('hsla(-300, 100%, 37.5%, 0)', (0.75, 0.75, 0, 0)), ('hsla(-300, 100%, 37.5%, -3)', (0.75, 0.75, 0, 0)), ('hsla(10, 50%, 0, 1)', None), ('hsla(50%, 50%, 0%, 1)', None), ('hsla(0, 0% 0%, 1)', None), ('hsla(30deg, 100%, 100%, 1)', None), ('hsla(0, 0%, light, 1)', None), ('hsla()', None), ('hsla(0)', None), ('hsla(0, 0%)', None), ('hsla(0, 0%, 0%, 50%)', None), ('hsla(0, 0%, 0%, 1, 0%)', None), ('cmyk(0, 0, 0, 0)', None), ]: result = parse_color_string(css_source) if isinstance(result, tuple): for got, expected in zip(result, expected_result): # Compensate for floating point errors: self.assertLess(abs(got - expected), 1e-10) for i, attr in enumerate(['red', 'green', 'blue', 'alpha']): self.ae(getattr(result, attr), result[i]) else: self.ae(result, expected_result) def test_hsl(self): for hsl, expected_rgb in [ # http://en.wikipedia.org/wiki/HSL_and_HSV#Examples ((0, 0, 100), (1, 1, 1)), ((127, 0, 100), (1, 1, 1)), ((0, 0, 50), (0.5, 0.5, 0.5)), ((127, 0, 50), (0.5, 0.5, 0.5)), ((0, 0, 0), (0, 0, 0)), ((127, 0, 0), (0, 0, 0)), ((0, 100, 50), (1, 0, 0)), ((60, 100, 37.5), (0.75, 0.75, 0)), ((780, 100, 37.5), (0.75, 0.75, 0)), ((-300, 100, 37.5), (0.75, 0.75, 0)), ((120, 100, 25), (0, 0.5, 0)), ((180, 100, 75), (0.5, 1, 1)), ((240, 100, 75), (0.5, 0.5, 1)), ((300, 50, 50), (0.75, 0.25, 0.75)), ((61.8, 63.8, 39.3), (0.628, 0.643, 0.142)), ((251.1, 83.2, 51.1), (0.255, 0.104, 0.918)), ((134.9, 70.7, 39.6), (0.116, 0.675, 0.255)), ((49.5, 89.3, 49.7), (0.941, 0.785, 0.053)), ((283.7, 77.5, 54.2), (0.704, 0.187, 0.897)), ((14.3, 81.7, 62.4), (0.931, 0.463, 0.316)), ((56.9, 99.1, 76.5), (0.998, 0.974, 0.532)), ((162.4, 77.9, 44.7), (0.099, 0.795, 0.591)), ((248.3, 60.1, 37.3), (0.211, 0.149, 0.597)), ((240.5, 29, 60.7), (0.495, 0.493, 0.721)), ]: for got, expected in zip(hsl_to_rgb(*hsl), expected_rgb): # Compensate for floating point errors and Wikipedia’s rounding: self.assertLess(abs(got - expected), 0.001)