gems.sass-3.2.9.test.sass.css2sass_test.rb Maven / Gradle / Ivy

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Sass makes CSS fun again. Sass is an extension of CSS3, adding nested rules, variables, mixins, selector inheritance, and more. It's translated to well-formatted, standard CSS using the command line tool or a web-framework plugin. This is a repackaged GEM in a JAR format of the sass-lang.gem package. The sass-gems package version follows the sass-lang.gem versions located http://rubyforge.org/frs/?group_id=9702. Simply change the version of this package to download and repackage the same GEM version.

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#!/usr/bin/env ruby
require 'test/unit'
require File.dirname(__FILE__) + '/../test_helper'
require 'sass/css'

class CSS2SassTest < Test::Unit::TestCase
  def test_basic
    css = < true))
h1
  :color red
SASS
  end

  def test_nesting
    assert_equal(<
  .bar
    a: b
  .baz
    c: d
SASS
.foo>.bar {a: b}
.foo>.baz {c: d}
CSS

    assert_equal(< .baz
  c: d
SASS
.bar > .baz {c: d}
CSS
  end

  # Error reporting

  def test_error_reporting
    css2sass("foo")
    assert(false, "Expected exception")
  rescue Sass::SyntaxError => err
    assert_equal(1, err.sass_line)
    assert_equal('Invalid CSS after "foo": expected "{", was ""', err.message)
  end

  def test_error_reporting_in_line
    css2sass("foo\nbar }\nbaz")
    assert(false, "Expected exception")
  rescue Sass::SyntaxError => err
    assert_equal(2, err.sass_line)
    assert_equal('Invalid CSS after "bar ": expected "{", was "}"', err.message)
  end

  def test_error_truncate_after
    css2sass("#{"a" * 16}foo")
    assert(false, "Expected exception")
  rescue Sass::SyntaxError => err
    assert_equal(1, err.sass_line)
    assert_equal('Invalid CSS after "...aaaaaaaaaaaafoo": expected "{", was ""', err.message)
  end

  def test_error_truncate_was
    css2sass("foo }foo#{"a" * 15}")
    assert(false, "Expected exception")
  rescue Sass::SyntaxError => err
    assert_equal(1, err.sass_line)
    assert_equal('Invalid CSS after "foo ": expected "{", was "}fooaaaaaaaaaaa..."', err.message)
  end

  def test_error_doesnt_truncate_after_when_elipsis_would_add_length
    css2sass("#{"a" * 15}foo")
    assert(false, "Expected exception")
  rescue Sass::SyntaxError => err
    assert_equal(1, err.sass_line)
    assert_equal('Invalid CSS after "aaaaaaaaaaaaaaafoo": expected "{", was ""', err.message)
  end

  def test_error_doesnt_truncate_was_when_elipsis_would_add_length
    css2sass("foo }foo#{"a" * 14}")
    assert(false, "Expected exception")
  rescue Sass::SyntaxError => err
    assert_equal(1, err.sass_line)
    assert_equal('Invalid CSS after "foo ": expected "{", was "}fooaaaaaaaaaaaaaa"', err.message)
  end

  def test_error_gets_rid_of_trailing_newline_for_after
    css2sass("foo  \n  ")
    assert(false, "Expected exception")
  rescue Sass::SyntaxError => err
    assert_equal(2, err.sass_line)
    assert_equal('Invalid CSS after "foo": expected "{", was ""', err.message)
  end

  def test_error_gets_rid_of_trailing_newline_for_was
    css2sass("foo \n  }foo")
    assert(false, "Expected exception")
  rescue Sass::SyntaxError => err
    assert_equal(2, err.sass_line)
    assert_equal('Invalid CSS after "foo": expected "{", was "}foo"', err.message)
  end

  # Encodings

  unless Sass::Util.ruby1_8?
    def test_encoding_error
      css2sass("foo\nbar\nb\xFEaz".force_encoding("utf-8"))
      assert(false, "Expected exception")
    rescue Sass::SyntaxError => e
      assert_equal(3, e.sass_line)
      assert_equal('Invalid UTF-8 character "\xFE"', e.message)
    end

    def test_ascii_incompatible_encoding_error
      template = "foo\nbar\nb_z".encode("utf-16le")
      template[9] = "\xFE".force_encoding("utf-16le")
      css2sass(template)
      assert(false, "Expected exception")
    rescue Sass::SyntaxError => e
      assert_equal(3, e.sass_line)
      assert_equal('Invalid UTF-16LE character "\xFE"', e.message)
    end
  end

  private

  def css2sass(string, opts={})
    Sass::CSS.new(string, opts).render
  end
end