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#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../test_helper'
require 'sass/engine'
module Sass::Script::Functions::UserFunctions
def assert_options(val)
val.options[:foo]
Sass::Script::String.new("Options defined!")
end
def arg_error
assert_options
end
end
module Sass::Script::Functions
include Sass::Script::Functions::UserFunctions
end
class SassScriptTest < Test::Unit::TestCase
include Sass::Script
def test_color_checks_input
assert_raise_message(ArgumentError, "Blue value -1 must be between 0 and 255") {Color.new([1, 2, -1])}
assert_raise_message(ArgumentError, "Red value 256 must be between 0 and 255") {Color.new([256, 2, 3])}
end
def test_color_checks_rgba_input
assert_raise_message(ArgumentError, "Alpha channel 1.1 must be between 0 and 1") {Color.new([1, 2, 3, 1.1])}
assert_raise_message(ArgumentError, "Alpha channel -0.1 must be between 0 and 1") {Color.new([1, 2, 3, -0.1])}
end
def test_string_escapes
assert_equal "'", resolve("\"'\"")
assert_equal '"', resolve("\"\\\"\"")
assert_equal "\\\\", resolve("\"\\\\\"")
assert_equal "\\02fa", resolve("\"\\02fa\"")
assert_equal "'", resolve("'\\''")
assert_equal '"', resolve("'\"'")
assert_equal "\\\\", resolve("'\\\\'")
assert_equal "\\02fa", resolve("'\\02fa'")
end
def test_string_interpolation
assert_equal "foo2bar", resolve('\'foo#{1 + 1}bar\'')
assert_equal "foo2bar", resolve('"foo#{1 + 1}bar"')
assert_equal "foo1bar5baz4bang", resolve('\'foo#{1 + "bar#{2 + 3}baz" + 4}bang\'')
end
def test_color_names
assert_equal "white", resolve("white")
assert_equal "white", resolve("#ffffff")
assert_equal "#fffffe", resolve("white - #000001")
end
def test_rgba_color_literals
assert_equal Sass::Script::Color.new([1, 2, 3, 0.75]), eval("rgba(1, 2, 3, 0.75)")
assert_equal "rgba(1, 2, 3, 0.75)", resolve("rgba(1, 2, 3, 0.75)")
assert_equal Sass::Script::Color.new([1, 2, 3, 0]), eval("rgba(1, 2, 3, 0)")
assert_equal "rgba(1, 2, 3, 0)", resolve("rgba(1, 2, 3, 0)")
assert_equal Sass::Script::Color.new([1, 2, 3]), eval("rgba(1, 2, 3, 1)")
assert_equal Sass::Script::Color.new([1, 2, 3, 1]), eval("rgba(1, 2, 3, 1)")
assert_equal "#010203", resolve("rgba(1, 2, 3, 1)")
assert_equal "white", resolve("rgba(255, 255, 255, 1)")
end
def test_rgba_color_math
assert_equal "rgba(50, 50, 100, 0.35)", resolve("rgba(1, 1, 2, 0.35) * rgba(50, 50, 50, 0.35)")
assert_equal "rgba(52, 52, 52, 0.25)", resolve("rgba(2, 2, 2, 0.25) + rgba(50, 50, 50, 0.25)")
assert_raise_message(Sass::SyntaxError, "Alpha channels must be equal: rgba(1, 2, 3, 0.15) + rgba(50, 50, 50, 0.75)") do
resolve("rgba(1, 2, 3, 0.15) + rgba(50, 50, 50, 0.75)")
end
assert_raise_message(Sass::SyntaxError, "Alpha channels must be equal: #123456 * rgba(50, 50, 50, 0.75)") do
resolve("#123456 * rgba(50, 50, 50, 0.75)")
end
assert_raise_message(Sass::SyntaxError, "Alpha channels must be equal: rgba(50, 50, 50, 0.75) / #123456") do
resolve("rgba(50, 50, 50, 0.75) / #123456")
end
end
def test_rgba_number_math
assert_equal "rgba(49, 49, 49, 0.75)", resolve("rgba(50, 50, 50, 0.75) - 1")
assert_equal "rgba(100, 100, 100, 0.75)", resolve("rgba(50, 50, 50, 0.75) * 2")
end
def test_rgba_rounding
assert_equal "rgba(10, 1, 0, 0.123)", resolve("rgba(10.0, 1.23456789, 0.0, 0.1234567)")
end
def test_compressed_colors
assert_equal "#123456", resolve("#123456", :style => :compressed)
assert_equal "rgba(1,2,3,0.5)", resolve("rgba(1, 2, 3, 0.5)", :style => :compressed)
assert_equal "#123", resolve("#112233", :style => :compressed)
assert_equal "#000", resolve("black", :style => :compressed)
assert_equal "red", resolve("#f00", :style => :compressed)
assert_equal "blue", resolve("#00f", :style => :compressed)
assert_equal "navy", resolve("#000080", :style => :compressed)
assert_equal "navy #fff", resolve("#000080 white", :style => :compressed)
assert_equal "This color is #fff", resolve('"This color is #{ white }"', :style => :compressed)
end
def test_compressed_comma
# assert_equal "foo,bar,baz", resolve("foo, bar, baz", :style => :compressed)
# assert_equal "foo,#baf,baz", resolve("foo, #baf, baz", :style => :compressed)
assert_equal "foo,#baf,red", resolve("foo, #baf, #f00", :style => :compressed)
end
def test_implicit_strings
assert_equal Sass::Script::String.new("foo"), eval("foo")
assert_equal Sass::Script::String.new("foo/bar"), eval("foo/bar")
end
def test_basic_interpolation
assert_equal "foo3bar", resolve("foo\#{1 + 2}bar")
assert_equal "foo3 bar", resolve("foo\#{1 + 2} bar")
assert_equal "foo 3bar", resolve("foo \#{1 + 2}bar")
assert_equal "foo 3 bar", resolve("foo \#{1 + 2} bar")
assert_equal "foo 35 bar", resolve("foo \#{1 + 2}\#{2 + 3} bar")
assert_equal "foo 3 5 bar", resolve("foo \#{1 + 2} \#{2 + 3} bar")
assert_equal "3bar", resolve("\#{1 + 2}bar")
assert_equal "foo3", resolve("foo\#{1 + 2}")
assert_equal "3", resolve("\#{1 + 2}")
end
def test_interpolation_in_function
assert_equal 'flabnabbit(1foo)', resolve('flabnabbit(#{1 + "foo"})')
assert_equal 'flabnabbit(foo 1foobaz)', resolve('flabnabbit(foo #{1 + "foo"}baz)')
assert_equal('flabnabbit(foo 1foo2bar baz)',
resolve('flabnabbit(foo #{1 + "foo"}#{2 + "bar"} baz)'))
end
def test_interpolation_near_operators
assert_equal '3 , 7', resolve('#{1 + 2} , #{3 + 4}')
assert_equal '3, 7', resolve('#{1 + 2}, #{3 + 4}')
assert_equal '3 ,7', resolve('#{1 + 2} ,#{3 + 4}')
assert_equal '3,7', resolve('#{1 + 2},#{3 + 4}')
assert_equal '3, 7, 11', resolve('#{1 + 2}, #{3 + 4}, #{5 + 6}')
assert_equal '3, 7, 11', resolve('3, #{3 + 4}, 11')
assert_equal '3 / 7', resolve('3 / #{3 + 4}')
assert_equal '3 /7', resolve('3 /#{3 + 4}')
assert_equal '3/ 7', resolve('3/ #{3 + 4}')
assert_equal '3/7', resolve('3/#{3 + 4}')
assert_equal '3 * 7', resolve('#{1 + 2} * 7')
assert_equal '3* 7', resolve('#{1 + 2}* 7')
assert_equal '3 *7', resolve('#{1 + 2} *7')
assert_equal '3*7', resolve('#{1 + 2}*7')
assert_equal '-3', resolve('-#{1 + 2}')
assert_equal '- 3', resolve('- #{1 + 2}')
assert_equal '5 + 3 * 7', resolve('5 + #{1 + 2} * #{3 + 4}')
assert_equal '5 +3 * 7', resolve('5 +#{1 + 2} * #{3 + 4}')
assert_equal '5+3 * 7', resolve('5+#{1 + 2} * #{3 + 4}')
assert_equal '3 * 7 + 5', resolve('#{1 + 2} * #{3 + 4} + 5')
assert_equal '3 * 7+ 5', resolve('#{1 + 2} * #{3 + 4}+ 5')
assert_equal '3 * 7+5', resolve('#{1 + 2} * #{3 + 4}+5')
assert_equal '5/3 + 7', resolve('5 / (#{1 + 2} + #{3 + 4})')
assert_equal '5/3 + 7', resolve('5 /(#{1 + 2} + #{3 + 4})')
assert_equal '5/3 + 7', resolve('5 /( #{1 + 2} + #{3 + 4} )')
assert_equal '3 + 7/5', resolve('(#{1 + 2} + #{3 + 4}) / 5')
assert_equal '3 + 7/5', resolve('(#{1 + 2} + #{3 + 4})/ 5')
assert_equal '3 + 7/5', resolve('( #{1 + 2} + #{3 + 4} )/ 5')
assert_equal '3 + 5', resolve('#{1 + 2} + 2 + 3')
assert_equal '3 +5', resolve('#{1 + 2} +2 + 3')
end
def test_string_interpolation
assert_equal "foo bar, baz bang", resolve('"foo #{"bar"}, #{"baz"} bang"')
assert_equal "foo bar baz bang", resolve('"foo #{"#{"ba" + "r"} baz"} bang"')
assert_equal 'foo #{bar baz} bang', resolve('"foo \#{#{"ba" + "r"} baz} bang"')
assert_equal 'foo #{baz bang', resolve('"foo #{"\#{" + "baz"} bang"')
end
def test_rule_interpolation
assert_equal(<<CSS, render(<<SASS))
foo bar baz bang {
a: b; }
CSS
foo \#{"\#{"ba" + "r"} baz"} bang
a: b
SASS
assert_equal(<<CSS, render(<<SASS))
foo [bar="\#{bar baz}"] bang {
a: b; }
CSS
foo [bar="\\\#{\#{"ba" + "r"} baz}"] bang
a: b
SASS
assert_equal(<<CSS, render(<<SASS))
foo [bar="\#{baz"] bang {
a: b; }
CSS
foo [bar="\#{"\\\#{" + "baz"}"] bang
a: b
SASS
end
def test_inaccessible_functions
assert_equal "send(to_s)", resolve("send(to_s)", :line => 2)
assert_equal "public_instance_methods()", resolve("public_instance_methods()")
end
def test_adding_functions_directly_to_functions_module
assert !Functions.callable?('nonexistant')
Functions.class_eval { def nonexistant; end }
assert Functions.callable?('nonexistant')
Functions.send :remove_method, :nonexistant
end
def test_default_functions
assert_equal "url(12)", resolve("url(12)")
assert_equal 'blam("foo")', resolve('blam("foo")')
end
def test_function_results_have_options
assert_equal "Options defined!", resolve("assert_options(abs(1))")
assert_equal "Options defined!", resolve("assert_options(round(1.2))")
end
def test_funcall_requires_no_whitespace_before_lparen
assert_equal "no-repeat 15px", resolve("no-repeat (7px + 8px)")
assert_equal "no-repeat(15px)", resolve("no-repeat(7px + 8px)")
end
def test_dynamic_url
assert_equal "url(foo-bar)", resolve("url($foo)", {}, env('foo' => Sass::Script::String.new("foo-bar")))
assert_equal "url(foo-bar baz)", resolve("url($foo $bar)", {}, env('foo' => Sass::Script::String.new("foo-bar"), 'bar' => Sass::Script::String.new("baz")))
assert_equal "url(foo baz)", resolve("url(foo $bar)", {}, env('bar' => Sass::Script::String.new("baz")))
assert_equal "url(foo bar)", resolve("url(foo bar)")
end
def test_url_with_interpolation
assert_equal "url(http://sass-lang.com/images/foo-bar)", resolve("url(http://sass-lang.com/images/\#{foo-bar})")
assert_equal 'url("http://sass-lang.com/images/foo-bar")', resolve("url('http://sass-lang.com/images/\#{foo-bar}')")
assert_equal 'url("http://sass-lang.com/images/foo-bar")', resolve('url("http://sass-lang.com/images/#{foo-bar}")')
assert_unquoted "url(http://sass-lang.com/images/\#{foo-bar})"
end
def test_hyphenated_variables
assert_equal("a-b", resolve("$a-b", {}, env("a-b" => Sass::Script::String.new("a-b"))))
end
def test_ruby_equality
assert_equal eval('"foo"'), eval('"foo"')
assert_equal eval('1'), eval('1.0')
assert_equal eval('1 2 3.0'), eval('1 2 3')
assert_equal eval('1, 2, 3.0'), eval('1, 2, 3')
assert_equal eval('(1 2), (3, 4), (5 6)'), eval('(1 2), (3, 4), (5 6)')
assert_not_equal eval('1, 2, 3'), eval('1 2 3')
assert_not_equal eval('1'), eval('"1"')
end
def test_booleans
assert_equal "true", resolve("true")
assert_equal "false", resolve("false")
end
def test_boolean_ops
assert_equal "true", resolve("true and true")
assert_equal "true", resolve("false or true")
assert_equal "true", resolve("true or false")
assert_equal "true", resolve("true or true")
assert_equal "false", resolve("false or false")
assert_equal "false", resolve("false and true")
assert_equal "false", resolve("true and false")
assert_equal "false", resolve("false and false")
assert_equal "true", resolve("not false")
assert_equal "false", resolve("not true")
assert_equal "true", resolve("not not true")
assert_equal "1", resolve("false or 1")
assert_equal "false", resolve("false and 1")
assert_equal "2", resolve("2 or 3")
assert_equal "3", resolve("2 and 3")
end
def test_arithmetic_ops
assert_equal "2", resolve("1 + 1")
assert_equal "0", resolve("1 - 1")
assert_equal "8", resolve("2 * 4")
assert_equal "0.5", resolve("(2 / 4)")
assert_equal "2", resolve("(4 / 2)")
assert_equal "-1", resolve("-1")
end
def test_string_ops
assert_equal '"foo" "bar"', resolve('"foo" "bar"')
assert_equal "true 1", resolve('true 1')
assert_equal '"foo", "bar"', resolve("'foo' , 'bar'")
assert_equal "true, 1", resolve('true , 1')
assert_equal "foobar", resolve('"foo" + "bar"')
assert_equal "true1", resolve('true + 1')
assert_equal '"foo"-"bar"', resolve("'foo' - 'bar'")
assert_equal "true-1", resolve('true - 1')
assert_equal '"foo"/"bar"', resolve('"foo" / "bar"')
assert_equal "true/1", resolve('true / 1')
assert_equal '-"bar"', resolve("- 'bar'")
assert_equal "-true", resolve('- true')
assert_equal '/"bar"', resolve('/ "bar"')
assert_equal "/true", resolve('/ true')
end
def test_relational_ops
assert_equal "false", resolve("1 > 2")
assert_equal "false", resolve("2 > 2")
assert_equal "true", resolve("3 > 2")
assert_equal "false", resolve("1 >= 2")
assert_equal "true", resolve("2 >= 2")
assert_equal "true", resolve("3 >= 2")
assert_equal "true", resolve("1 < 2")
assert_equal "false", resolve("2 < 2")
assert_equal "false", resolve("3 < 2")
assert_equal "true", resolve("1 <= 2")
assert_equal "true", resolve("2 <= 2")
assert_equal "false", resolve("3 <= 2")
end
def test_equals
assert_equal("true", resolve('"foo" == $foo', {},
env("foo" => Sass::Script::String.new("foo"))))
assert_equal "true", resolve("1 == 1.0")
assert_equal "true", resolve("false != true")
assert_equal "false", resolve("1em == 1px")
assert_equal "false", resolve("12 != 12")
assert_equal "true", resolve("(foo bar baz) == (foo bar baz)")
assert_equal "true", resolve("(foo, bar, baz) == (foo, bar, baz)")
assert_equal "true", resolve('((1 2), (3, 4), (5 6)) == ((1 2), (3, 4), (5 6))')
assert_equal "true", resolve('((1 2), (3 4)) == (1 2, 3 4)')
assert_equal "false", resolve('((1 2) 3) == (1 2 3)')
assert_equal "false", resolve('(1 (2 3)) == (1 2 3)')
assert_equal "false", resolve('((1, 2) (3, 4)) == (1, 2 3, 4)')
assert_equal "false", resolve('(1 2 3) == (1, 2, 3)')
end
def test_operation_precedence
assert_equal "false true", resolve("true and false false or true")
assert_equal "true", resolve("false and true or true and true")
assert_equal "true", resolve("1 == 2 or 3 == 3")
assert_equal "true", resolve("1 < 2 == 3 >= 3")
assert_equal "true", resolve("1 + 3 > 4 - 2")
assert_equal "11", resolve("1 + 2 * 3 + 4")
end
def test_functions
assert_equal "#80ff80", resolve("hsl(120, 100%, 75%)")
assert_equal "#81ff81", resolve("hsl(120, 100%, 75%) + #010001")
end
def test_operator_unit_conversion
assert_equal "1.1cm", resolve("1cm + 1mm")
assert_equal "2in", resolve("1in + 96px")
assert_equal "true", resolve("2mm < 1cm")
assert_equal "true", resolve("10mm == 1cm")
assert_equal "true", resolve("1 == 1cm")
assert_equal "true", resolve("1.1cm == 11mm")
end
def test_operations_have_options
assert_equal "Options defined!", resolve("assert_options(1 + 1)")
assert_equal "Options defined!", resolve("assert_options('bar' + 'baz')")
end
def test_slash_compiles_literally_when_left_alone
assert_equal "1px/2px", resolve("1px/2px")
assert_equal "1px/2px/3px/4px", resolve("1px/2px/3px/4px")
assert_equal "1px/2px redpx bluepx", resolve("1px/2px redpx bluepx")
assert_equal "foo 1px/2px/3px bar", resolve("foo 1px/2px/3px bar")
end
def test_slash_divides_with_parens
assert_equal "0.5", resolve("(1px/2px)")
assert_equal "0.5", resolve("(1px)/2px")
assert_equal "0.5", resolve("1px/(2px)")
end
def test_slash_divides_with_other_arithmetic
assert_equal "0.5px", resolve("1px*1px/2px")
assert_equal "0.5px", resolve("1px/2px*1px")
assert_equal "0.5", resolve("0+1px/2px")
assert_equal "0.5", resolve("1px/2px+0")
end
def test_slash_divides_with_variable
assert_equal "0.5", resolve("$var/2px", {}, env("var" => eval("1px")))
assert_equal "0.5", resolve("1px/$var", {}, env("var" => eval("2px")))
assert_equal "0.5", resolve("$var", {}, env("var" => eval("1px/2px")))
end
def test_colors_with_wrong_number_of_digits
assert_raise_message(Sass::SyntaxError,
"Colors must have either three or six digits: '#0'") {eval("#0")}
assert_raise_message(Sass::SyntaxError,
"Colors must have either three or six digits: '#12'") {eval("#12")}
assert_raise_message(Sass::SyntaxError,
"Colors must have either three or six digits: '#abcd'") {eval("#abcd")}
assert_raise_message(Sass::SyntaxError,
"Colors must have either three or six digits: '#abcdE'") {eval("#abcdE")}
assert_raise_message(Sass::SyntaxError,
"Colors must have either three or six digits: '#abcdEFA'") {eval("#abcdEFA")}
end
def test_case_insensitive_color_names
assert_equal "blue", resolve("BLUE")
assert_equal "red", resolve("rEd")
assert_equal "#7f4000", resolve("mix(GrEeN, ReD)")
end
def test_empty_list
assert_equal "1 2 3", resolve("1 2 () 3")
assert_equal "1 2 3", resolve("1 2 3 ()")
assert_equal "1 2 3", resolve("() 1 2 3")
assert_raise_message(Sass::SyntaxError, "() isn't a valid CSS value.") {resolve("()")}
assert_raise_message(Sass::SyntaxError, "() isn't a valid CSS value.") {resolve("nth(append((), ()), 1)")}
end
def test_deep_argument_error_not_unwrapped
assert_raise_message(ArgumentError, 'wrong number of arguments (0 for 1)') {resolve("arg-error()")}
end
def test_shallow_argument_error_unwrapped
assert_raise_message(Sass::SyntaxError, "wrong number of arguments (1 for 0) for `arg-error'") {resolve("arg-error(1)")}
end
def test_boolean_ops_short_circuit
assert_equal "false", resolve("$ie and $ie <= 7", {}, env('ie' => Sass::Script::Bool.new(false)))
assert_equal "true", resolve("$ie or $undef", {}, env('ie' => Sass::Script::Bool.new(true)))
end
# Regression Tests
def test_funcall_has_higher_precedence_than_color_name
assert_equal "teal(12)", resolve("teal(12)")
assert_equal "tealbang(12)", resolve("tealbang(12)")
assert_equal "teal-bang(12)", resolve("teal-bang(12)")
assert_equal "teal\\+bang(12)", resolve("teal\\+bang(12)")
end
def test_interpolation_after_hash
assert_equal "#2", resolve('"##{1 + 1}"')
end
def test_misplaced_comma_in_funcall
assert_raise_message(Sass::SyntaxError,
'Invalid CSS after "foo(bar, ": expected function argument, was ")"') {eval('foo(bar, )')}
end
def test_color_prefixed_identifier
assert_equal "tealbang", resolve("tealbang")
assert_equal "teal-bang", resolve("teal-bang")
end
def test_op_prefixed_identifier
assert_equal "notbang", resolve("notbang")
assert_equal "not-bang", resolve("not-bang")
assert_equal "or-bang", resolve("or-bang")
assert_equal "and-bang", resolve("and-bang")
end
private
def resolve(str, opts = {}, environment = env)
munge_filename opts
val = eval(str, opts, environment)
val.is_a?(Sass::Script::String) ? val.value : val.to_s
end
def assert_unquoted(str, opts = {}, environment = env)
munge_filename opts
val = eval(str, opts, environment)
assert_kind_of Sass::Script::String, val
assert_equal :identifier, val.type
end
def assert_quoted(str, opts = {}, environment = env)
munge_filename opts
val = eval(str, opts, environment)
assert_kind_of Sass::Script::String, val
assert_equal :string, val.type
end
def eval(str, opts = {}, environment = env)
munge_filename opts
environment.options = opts
Sass::Script.parse(str, opts.delete(:line) || 1,
opts.delete(:offset) || 0, opts).perform(environment)
end
def render(sass, options = {})
munge_filename options
Sass::Engine.new(sass, options).render
end
def env(hash = {})
env = Sass::Environment.new
hash.each {|k, v| env.set_var(k, v)}
env
end
def test_number_printing
assert_equal "1", eval("1")
assert_equal "1", eval("1.0")
assert_equal "1.121", eval("1.1214")
assert_equal "1.122", eval("1.1215")
assert_equal "Infinity", eval("1.0/0.0")
assert_equal "-Infinity", eval("-1.0/0.0")
assert_equal "NaN", eval("0.0/0.0")
end
end
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