require 'test_helper' class SassExtensionsTest < Test::Unit::TestCase def test_simple assert_equal "a b", evaluate(%Q{nest("a", "b")}) end def test_left_side_expansion assert_equal "a c, b c", evaluate(%Q{nest("a, b", "c")}) end def test_right_side_expansion assert_equal "a b, a c", evaluate(%Q{nest("a", "b, c")}) end def test_both_sides_expansion assert_equal "a c, a d, b c, b d", evaluate(%Q{nest("a, b", "c, d")}) end def test_three_selectors_expansion assert_equal "a b, a c, a d", evaluate(%Q{nest("a", "b, c, d")}) end def test_third_argument_expansion assert_equal "a b e, a b f, a c e, a c f, a d e, a d f", evaluate(%Q{nest("a", "b, c, d", "e, f")}) end def test_enumerate assert_equal ".grid-1, .grid-2, .grid-3", evaluate(%Q{enumerate(".grid", 1, 3, "-")}) end def test_append_selector assert_equal "div.bar", evaluate(%Q{append_selector("div", ".bar")}) assert_equal ".foo1.bar1, .foo1.bar2, .foo2.bar1, .foo2.bar2", evaluate(%Q{append_selector(".foo1, .foo2", ".bar1, .bar2")}) end def test_headers assert_equal "h1, h2, h3, h4, h5, h6", evaluate("headers()") assert_equal "h1, h2, h3, h4, h5, h6", evaluate("headers(all)") assert_equal "h1, h2, h3, h4", evaluate("headers(4)") assert_equal "h2, h3", evaluate("headers(2,3)") assert_equal "h4, h5, h6", evaluate("headers(4,6)") end def test_scale_lightness assert_equal "75%", evaluate("lightness(scale-lightness(hsl(50deg, 50%, 50%), 50%))") assert_equal "25%", evaluate("lightness(scale-lightness(hsl(50deg, 50%, 50%), -50%))") end def test_adjust_lightness assert_equal "75%", evaluate("lightness(adjust-lightness(hsl(50deg, 50%, 50%), 25%))") assert_equal "25%", evaluate("lightness(adjust-lightness(hsl(50deg, 50%, 50%), -25%))") assert_equal "100%", evaluate("lightness(adjust-lightness(hsl(50deg, 50%, 50%), 500%))") assert_equal "0%", evaluate("lightness(adjust-lightness(hsl(50deg, 50%, 50%), -500%))") end def test_scale_saturation assert_equal "75%", evaluate("saturation(scale-saturation(hsl(50deg, 50%, 50%), 50%))") assert_equal "25%", evaluate("saturation(scale-saturation(hsl(50deg, 50%, 50%), -50%))") end def test_adjust_saturation assert_equal "75%", evaluate("saturation(adjust-saturation(hsl(50deg, 50%, 50%), 25%))") assert_equal "25%", evaluate("saturation(adjust-saturation(hsl(50deg, 50%, 50%), -25%))") end def test_trig_functions assert_equal "0.841px", evaluate("sin(1px)") assert_equal "0.0", evaluate("sin(pi())") assert_equal "1", evaluate("sin(pi() / 2)") assert_equal "1", evaluate("sin(180deg)") assert_equal "-1", evaluate("sin(3* pi() / 2)") assert_equal "-1", evaluate("cos(pi())") assert_equal "-1", evaluate("cos(360deg)") assert_equal "1", evaluate("cos(2*pi())") assert_equal "0.0", evaluate("cos(pi() / 2)") assert_equal "0.0", evaluate("cos(3* pi() / 2)") assert_equal "0.0", evaluate("tan(pi())") assert_equal "0.0", evaluate("tan(360deg)") assert evaluate("tan(pi()/2 - 0.0001)").to_f > 1000, evaluate("tan(pi()/2 - 0.0001)") assert evaluate("tan(pi()/2 + 0.0001)").to_f < -1000, evaluate("tan(pi()/2 - 0.0001)") end protected def evaluate(value) Sass::Script::Parser.parse(value, 0, 0).perform(Sass::Environment.new).to_s end end