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haml--haml/test/sass/functions_test.rb
2009-11-26 16:05:17 -08:00

274 lines
11 KiB
Ruby

require 'test/unit'
require File.dirname(__FILE__) + '/../../lib/sass'
require 'sass/script'
class SassFunctionTest < Test::Unit::TestCase
# Tests taken from:
# http://www.w3.org/Style/CSS/Test/CSS3/Color/20070927/html4/t040204-hsl-h-rotating-b.htm
# http://www.w3.org/Style/CSS/Test/CSS3/Color/20070927/html4/t040204-hsl-values-b.htm
File.read(File.dirname(__FILE__) + "/data/hsl-rgb.txt").split("\n\n").each do |chunk|
hsls, rgbs = chunk.strip.split("====")
hsls.strip.split("\n").zip(rgbs.strip.split("\n")) do |hsl, rgb|
hsl_method = "test_hsl: #{hsl} = #{rgb}"
define_method(hsl_method) do
assert_equal(evaluate(rgb), evaluate(hsl))
end
rgb_to_hsl_method = "test_rgb_to_hsl: #{rgb} = #{hsl}"
define_method(rgb_to_hsl_method) do
rgb_color = perform(rgb)
hsl_color = perform(hsl)
white = hsl_color.lightness == 100
black = hsl_color.lightness == 0
grayscale = white || black || hsl_color.saturation == 0
assert_in_delta(hsl_color.hue, rgb_color.hue, 0.0001,
"Hues should be equal") unless grayscale
assert_in_delta(hsl_color.saturation, rgb_color.saturation, 0.0001,
"Saturations should be equal") unless white || black
assert_in_delta(hsl_color.lightness, rgb_color.lightness, 0.0001,
"Lightnesses should be equal")
end
end
end
def test_hsl_checks_bounds
assert_error_message("Saturation -114 must be between 0% and 100% for `hsl'", "hsl(10, -114, 12)");
assert_error_message("Lightness 256 must be between 0% and 100% for `hsl'", "hsl(10, 10, 256%)");
end
def test_hsl_checks_types
assert_error_message("\"foo\" is not a number for `hsl'", "hsl(\"foo\", 10, 12)");
assert_error_message("\"foo\" is not a number for `hsl'", "hsl(10, \"foo\", 12)");
assert_error_message("\"foo\" is not a number for `hsl'", "hsl(10, 10, \"foo\")");
end
def test_hsla
assert_equal "rgba(51, 204, 204, 0.4)", evaluate("hsla(180, 60%, 50%, 0.4)")
assert_equal "#33cccc", evaluate("hsla(180, 60%, 50%, 1)")
assert_equal "rgba(51, 204, 204, 0)", evaluate("hsla(180, 60%, 50%, 0)")
end
def test_hsla_checks_bounds
assert_error_message("Saturation -114 must be between 0% and 100% for `hsla'", "hsla(10, -114, 12, 1)");
assert_error_message("Lightness 256 must be between 0% and 100% for `hsla'", "hsla(10, 10, 256%, 0)");
assert_error_message("Alpha channel -0.1 must be between 0 and 1 for `hsla'", "hsla(10, 10, 10, -0.1)");
assert_error_message("Alpha channel 1.1 must be between 0 and 1 for `hsla'", "hsla(10, 10, 10, 1.1)");
end
def test_hsla_checks_types
assert_error_message("\"foo\" is not a number for `hsla'", "hsla(\"foo\", 10, 12, 0.3)");
assert_error_message("\"foo\" is not a number for `hsla'", "hsla(10, \"foo\", 12, 0)");
assert_error_message("\"foo\" is not a number for `hsla'", "hsla(10, 10, \"foo\", 1)");
assert_error_message("\"foo\" is not a number for `hsla'", "hsla(10, 10, 10, \"foo\")");
end
def test_percentage
assert_equal("50%", evaluate("percentage(.5)"))
assert_equal("100%", evaluate("percentage(1)"))
assert_equal("25%", evaluate("percentage(25px / 100px)"))
end
def test_percentage_checks_types
assert_error_message("25px is not a unitless number for `percentage'", "percentage(25px)")
assert_error_message("#cccccc is not a unitless number for `percentage'", "percentage(#ccc)")
assert_error_message("\"string\" is not a unitless number for `percentage'", %Q{percentage("string")})
end
def test_round
assert_equal("5", evaluate("round(4.8)"))
assert_equal("5px", evaluate("round(4.8px)"))
assert_equal("5px", evaluate("round(5.49px)"))
assert_error_message("#cccccc is not a number for `round'", "round(#ccc)")
end
def test_floor
assert_equal("4", evaluate("floor(4.8)"))
assert_equal("4px", evaluate("floor(4.8px)"))
assert_error_message("\"foo\" is not a number for `floor'", "floor(\"foo\")")
end
def test_ceil
assert_equal("5", evaluate("ceil(4.1)"))
assert_equal("5px", evaluate("ceil(4.8px)"))
assert_error_message("\"a\" is not a number for `ceil'", "ceil(\"a\")")
end
def test_abs
assert_equal("5", evaluate("abs(-5)"))
assert_equal("5px", evaluate("abs(-5px)"))
assert_equal("5", evaluate("abs(5)"))
assert_equal("5px", evaluate("abs(5px)"))
assert_error_message("#aaaaaa is not a number for `abs'", "abs(#aaa)")
end
def test_rgb
assert_equal("#123456", evaluate("rgb(18, 52, 86)"))
assert_equal("#beaded", evaluate("rgb(190, 173, 237)"))
assert_equal("#00ff7f", evaluate("rgb(0, 255, 127)"))
end
def test_rgb_percent
assert_equal("#123456", evaluate("rgb(7.1%, 20.4%, 34%)"))
assert_equal("#beaded", evaluate("rgb(74.7%, 173, 93%)"))
assert_equal("#beaded", evaluate("rgb(190, 68%, 237)"))
assert_equal("#00ff7f", evaluate("rgb(0%, 100%, 50%)"))
end
def test_rgb_tests_bounds
assert_error_message("Color value 256 must be between 0 and 255 inclusive for `rgb'",
"rgb(256, 1, 1)")
assert_error_message("Color value 256 must be between 0 and 255 inclusive for `rgb'",
"rgb(1, 256, 1)")
assert_error_message("Color value 256 must be between 0 and 255 inclusive for `rgb'",
"rgb(1, 1, 256)")
assert_error_message("Color value 256 must be between 0 and 255 inclusive for `rgb'",
"rgb(1, 256, 257)")
assert_error_message("Color value -1 must be between 0 and 255 inclusive for `rgb'",
"rgb(-1, 1, 1)")
end
def test_rgb_test_percent_bounds
assert_error_message("Color value 100.1% must be between 0% and 100% inclusive for `rgb'",
"rgb(100.1%, 0, 0)")
assert_error_message("Color value -0.1% must be between 0% and 100% inclusive for `rgb'",
"rgb(0, -0.1%, 0)")
assert_error_message("Color value 101% must be between 0% and 100% inclusive for `rgb'",
"rgb(0, 0, 101%)")
end
def test_rgb_tests_types
assert_error_message("\"foo\" is not a number for `rgb'", "rgb(\"foo\", 10, 12)");
assert_error_message("\"foo\" is not a number for `rgb'", "rgb(10, \"foo\", 12)");
assert_error_message("\"foo\" is not a number for `rgb'", "rgb(10, 10, \"foo\")");
end
def test_rgba
assert_equal("rgba(18, 52, 86, 0.5)", evaluate("rgba(18, 52, 86, 0.5)"))
assert_equal("#beaded", evaluate("rgba(190, 173, 237, 1)"))
assert_equal("rgba(0, 255, 127, 0)", evaluate("rgba(0, 255, 127, 0)"))
end
def test_rgb_tests_bounds
assert_error_message("Color value 256 must be between 0 and 255 inclusive for `rgba'",
"rgba(256, 1, 1, 0.3)")
assert_error_message("Color value 256 must be between 0 and 255 inclusive for `rgba'",
"rgba(1, 256, 1, 0.3)")
assert_error_message("Color value 256 must be between 0 and 255 inclusive for `rgba'",
"rgba(1, 1, 256, 0.3)")
assert_error_message("Color value 256 must be between 0 and 255 inclusive for `rgba'",
"rgba(1, 256, 257, 0.3)")
assert_error_message("Color value -1 must be between 0 and 255 inclusive for `rgba'",
"rgba(-1, 1, 1, 0.3)")
assert_error_message("Alpha channel -0.2 must be between 0 and 1 inclusive for `rgba'",
"rgba(1, 1, 1, -0.2)")
assert_error_message("Alpha channel 1.2 must be between 0 and 1 inclusive for `rgba'",
"rgba(1, 1, 1, 1.2)")
end
def test_rgba_tests_types
assert_error_message("\"foo\" is not a number for `rgba'", "rgba(\"foo\", 10, 12, 0.2)");
assert_error_message("\"foo\" is not a number for `rgba'", "rgba(10, \"foo\", 12, 0.1)");
assert_error_message("\"foo\" is not a number for `rgba'", "rgba(10, 10, \"foo\", 0)");
assert_error_message("\"foo\" is not a number for `rgba'", "rgba(10, 10, 10, \"foo\")");
end
def test_red
assert_equal("18", evaluate("red(#123456)"))
end
def test_red_exception
assert_error_message("12 is not a color for `red'", "red(12)")
end
def test_green
assert_equal("52", evaluate("green(#123456)"))
end
def test_green_exception
assert_error_message("12 is not a color for `green'", "green(12)")
end
def test_blue
assert_equal("86", evaluate("blue(#123456)"))
end
def test_blue_exception
assert_error_message("12 is not a color for `blue'", "blue(12)")
end
def test_alpha
assert_equal("1", evaluate("alpha(#123456)"))
assert_equal("0.34", evaluate("alpha(rgba(0, 1, 2, 0.34))"))
assert_equal("0", evaluate("alpha(hsla(0, 1, 2, 0))"))
end
def test_alpha_exception
assert_error_message("12 is not a color for `alpha'", "alpha(12)")
end
def test_opacify
assert_equal("rgba(0, 0, 0, 0.75)", evaluate("opacify(rgba(0, 0, 0, 0.5), 0.25)"))
assert_equal("rgba(0, 0, 0, 0.3)", evaluate("opacify(rgba(0, 0, 0, 0.2), 0.1)"))
assert_equal("rgba(0, 0, 0, 0.7)", evaluate("fade-in(rgba(0, 0, 0, 0.2), 0.5px)"))
assert_equal("black", evaluate("fade_in(rgba(0, 0, 0, 0.2), 0.8)"))
assert_equal("black", evaluate("opacify(rgba(0, 0, 0, 0.2), 1)"))
assert_equal("rgba(0, 0, 0, 0.2)", evaluate("opacify(rgba(0, 0, 0, 0.2), 0%)"))
end
def test_opacify_tests_bounds
assert_error_message("Amount -0.001 must be between 0 and 1 for `opacify'",
"opacify(rgba(0, 0, 0, 0.2), -0.001)")
assert_error_message("Amount 1.001 must be between 0 and 1 for `opacify'",
"opacify(rgba(0, 0, 0, 0.2), 1.001)")
end
def test_opacify_tests_types
assert_error_message("\"foo\" is not a color for `opacify'", "opacify(\"foo\", 10%)")
assert_error_message("\"foo\" is not a number for `opacify'", "opacify(#fff, \"foo\")")
end
def test_transparentize
assert_equal("rgba(0, 0, 0, 0.3)", evaluate("transparentize(rgba(0, 0, 0, 0.5), 0.2)"))
assert_equal("rgba(0, 0, 0, 0.1)", evaluate("transparentize(rgba(0, 0, 0, 0.2), 0.1)"))
assert_equal("rgba(0, 0, 0, 0.2)", evaluate("fade-out(rgba(0, 0, 0, 0.5), 0.3px)"))
assert_equal("rgba(0, 0, 0, 0)", evaluate("fade_out(rgba(0, 0, 0, 0.2), 0.2)"))
assert_equal("rgba(0, 0, 0, 0)", evaluate("transparentize(rgba(0, 0, 0, 0.2), 1)"))
assert_equal("rgba(0, 0, 0, 0.2)", evaluate("transparentize(rgba(0, 0, 0, 0.2), 0)"))
end
def test_transparentize_tests_bounds
assert_error_message("Amount -0.001 must be between 0 and 1 for `transparentize'",
"transparentize(rgba(0, 0, 0, 0.2), -0.001)")
assert_error_message("Amount 1.001 must be between 0 and 1 for `transparentize'",
"transparentize(rgba(0, 0, 0, 0.2), 1.001)")
end
def test_transparentize_tests_types
assert_error_message("\"foo\" is not a color for `transparentize'", "transparentize(\"foo\", 10%)")
assert_error_message("\"foo\" is not a number for `transparentize'", "transparentize(#fff, \"foo\")")
end
private
def evaluate(value)
Sass::Script::Parser.parse(value, 0, 0).perform(Sass::Environment.new).to_s
end
def perform(value)
Sass::Script::Parser.parse(value, 0, 0).perform(Sass::Environment.new)
end
def assert_error_message(message, value)
evaluate(value)
flunk("Error message expected but not raised: #{message}")
rescue Sass::SyntaxError => e
assert_equal(message, e.message)
end
end