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synced 2022-11-09 12:33:31 -05:00
92 lines
3.4 KiB
Ruby
92 lines
3.4 KiB
Ruby
require 'test/unit'
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require File.dirname(__FILE__) + '/../../lib/sass'
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require 'sass/script'
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class SassFunctionTest < Test::Unit::TestCase
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def test_hsl
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# These tests adapted from the w3c browser tests
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# http://www.w3.org/Style/CSS/Test/CSS3/Color/20070927/html4/t040204-hsl-h-rotating-b.htm
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red = [255, 0, 0]
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assert_rgb_hsl(red, ['0', '100%', '50%'])
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assert_rgb_hsl(red, ['-360', '100%', '50%'])
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assert_rgb_hsl(red, ['360', '100%', '50%'])
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assert_rgb_hsl(red, ['6120', '100%', '50%'])
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yellow = [255, 255, 0]
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assert_rgb_hsl(yellow, ['60', '100%', '50%'])
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assert_rgb_hsl(yellow, ['-300', '100%', '50%'])
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assert_rgb_hsl(yellow, ['420', '100%', '50%'])
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assert_rgb_hsl(yellow, ['-9660', '100%', '50%'])
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green = [0, 255, 0]
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assert_rgb_hsl(green, ['120', '100%', '50%'])
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assert_rgb_hsl(green, ['-240', '100%', '50%'])
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assert_rgb_hsl(green, ['480', '100%', '50%'])
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assert_rgb_hsl(green, ['99840', '100%', '50%'])
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cyan = [0, 255, 255]
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assert_rgb_hsl(cyan, ['180', '100%', '50%'])
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assert_rgb_hsl(cyan, ['-180', '100%', '50%'])
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assert_rgb_hsl(cyan, ['540', '100%', '50%'])
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assert_rgb_hsl(cyan, ['-900', '100%', '50%'])
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blue = [0, 0, 255]
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assert_rgb_hsl(blue, ['240', '100%', '50%'])
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assert_rgb_hsl(blue, ['-120', '100%', '50%'])
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assert_rgb_hsl(blue, ['600', '100%', '50%'])
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assert_rgb_hsl(blue, ['-104880', '100%', '50%'])
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purple = [255, 0, 255]
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assert_rgb_hsl(purple, ['300', '100%', '50%'])
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assert_rgb_hsl(purple, ['-60', '100%', '50%'])
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assert_rgb_hsl(purple, ['660', '100%', '50%'])
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assert_rgb_hsl(purple, ['2820', '100%', '50%'])
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end
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def test_percentage
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assert_equal("50%", evaluate("percentage(.5)"))
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assert_equal("100%", evaluate("percentage(1)"))
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assert_equal("25%", evaluate("percentage(25px / 100px)"))
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assert_error_message("25px is not a unitless number for `percentage'", "percentage(25px)")
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assert_error_message("#cccccc is not a unitless number for `percentage'", "percentage(#ccc)")
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assert_error_message("string is not a unitless number for `percentage'", "percentage(string)")
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end
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def test_numeric_transformations
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assert_equal("5", evaluate("round(4.8)"))
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assert_equal("5px", evaluate("round(4.8px)"))
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assert_equal("5px", evaluate("round(5.49px)"))
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assert_equal("4", evaluate("floor(4.8)"))
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assert_equal("4px", evaluate("floor(4.8px)"))
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assert_equal("5", evaluate("ceil(4.1)"))
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assert_equal("5px", evaluate("ceil(4.8px)"))
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assert_equal("5", evaluate("abs(-5)"))
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assert_equal("5px", evaluate("abs(-5px)"))
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assert_equal("5", evaluate("abs(5)"))
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assert_equal("5px", evaluate("abs(5px)"))
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assert_error_message("#cccccc is not a number for `round'", "round(#ccc)")
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assert_error_message("foo is not a number for `floor'", "floor(foo)")
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assert_error_message("'a' is not a number for `ceil'", "ceil('a')")
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assert_error_message("#aaaaaa is not a number for `abs'", "abs(#aaa)")
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end
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private
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def assert_rgb_hsl(rgb, hsl)
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assert_equal(rgb, Sass::Script::Functions.hsl(*hsl.map(&Sass::Script::Parser.method(:parse))).value)
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end
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def evaluate(value)
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Sass::Script::Parser.parse(value).perform({}).to_s
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end
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def assert_error_message(message, value)
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begin
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evaluate(value)
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flunk("Error message expected but not raised: #{message}")
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rescue Sass::SyntaxError => e
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assert_equal(message, e.message)
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end
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end
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end
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