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• conversion_test.rb

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gems.sass-3.2.8.test.sass.conversion_test.rb Maven / Gradle / Ivy

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

class ConversionTest < Test::Unit::TestCase
  def test_basic
    assert_renders < true
foo bar
  :baz bang
  :bip bop
SASS
foo bar {
  baz: bang;
  bip: bop;
}
SCSS
  end

  def test_empty_selector
    assert_renders "foo bar", "foo bar {}"
  end

  def test_empty_directive
    assert_scss_to_sass "@media screen", "@media screen {}"
    assert_scss_to_scss "@media screen {}"
  end

  def test_empty_control_directive
    assert_renders "@if false", "@if false {}"
  end

  def test_nesting
    assert_renders < true
foo bar
  :baz 12 $bang "bip"
SASS
foo bar {
  baz: 12 $bang "bip";
}
SCSS
  end

  def test_multiline_properties
    assert_scss_to_sass < true
foo
  :_name val
  :*name val
  :#name val
  :.name val
  :name val
SASS
foo {
  _name: val;
  *name: val;
  #name: val;
  .name: val;
  name: val;
}
SCSS
  end

  def test_selector_hacks
    assert_selector_renders = lambda do |s|
      assert_renders < E']
    assert_selector_renders['+ E']
    assert_selector_renders['~ E']
    assert_selector_renders['> > E']

    assert_selector_renders['E*']
    assert_selector_renders['E*.foo']
    assert_selector_renders['E*:hover']
  end

  def test_disallowed_colon_hack
    assert_raise_message(Sass::SyntaxError, 'The ":name: val" hack is not allowed in the Sass indented syntax') do
      to_sass("foo {:name: val;}", :syntax => :scss)
    end
  end

  def test_nested_properties
    assert_renders < true)
@mixin under-scored-mixin($under-scored-arg: $under-scored-default) {
  bar: $under-scored-arg;
}

div {
  foo: under-scored-fn($under-scored-var + "before\#{$another-under-scored-var}after");
  @include under-scored-mixin($passed-arg);
  selector-\#{$under-scored-interp}: bold;
}

@if $under-scored {
  @for $for-var from $from-var to $to-var {
    @while $while-var == true {
      $while-var: false;
    }
  }
}
SCSS
=under_scored_mixin($under_scored_arg: $under_scored_default)
  bar: $under_scored_arg
div
  foo: under_scored_fn($under_scored_var + "before\#{$another_under_scored_var}after")
  +under_scored_mixin($passed_arg)
  selector-\#{$under_scored_interp}: bold
@if $under_scored
  @for $for_var from $from_var to $to_var
    @while $while_var == true
      $while_var : false
SASS
  end

   def test_loud_comment_conversion
    assert_renders(< "    "
foo bar
    baz bang
        baz: bang
        bip: bop
    blat: boo
SASS
foo bar {
    baz bang {
        baz: bang;
        bip: bop;
    }
    blat: boo;
}
SCSS

    assert_renders < "\t"
foo bar
	baz bang
		baz: bang
		bip: bop
	blat: boo
SASS
foo bar {
	baz bang {
		baz: bang;
		bip: bop;
	}
	blat: boo;
}
SCSS

    assert_sass_to_scss < "    "
foo bar {
    baz bang {
        baz: bang;
        bip: bop;
    }
    blat: boo;
}
SCSS
foo bar
  baz bang
    baz: bang
    bip: bop
  blat: boo
SASS

    assert_sass_to_scss < "\t"
foo bar {
	baz bang {
		baz: bang;
		bip: bop;
	}
	blat: boo;
}
SCSS
foo bar
  baz bang
    baz: bang
    bip: bop
  blat: boo
SASS

    assert_scss_to_sass < "    "
foo bar
    baz bang
        baz: bang
        bip: bop
    blat: boo
SASS
foo bar {
  baz bang {
    baz: bang;
    bip: bop;
  }
  blat: boo;
}
SCSS

    assert_scss_to_sass < "\t"
foo bar
	baz bang
		baz: bang
		bip: bop
	blat: boo
SASS
foo bar {
  baz bang {
    baz: bang;
    bip: bop;
  }
  blat: boo;
}
SCSS
  end

  def test_extend_with_optional
    assert_scss_to_sass < '    ')
foo
    // bar
    /* baz
    a: b
SASS
foo {
    // bar
    /* baz */
    a: b;
}
SCSS
  end

  private

  def assert_sass_to_sass(sass, options = {})
    assert_equal(sass.rstrip, to_sass(sass, options).rstrip,
      "Expected Sass to transform to itself")
  end

  def assert_scss_to_sass(sass, scss, options = {})
    assert_equal(sass.rstrip, to_sass(scss, options.merge(:syntax => :scss)).rstrip,
      "Expected SCSS to transform to Sass")
  end

  def assert_scss_to_scss(scss, in_scss = nil, options = nil)
    if in_scss.is_a?(Hash)
      options = in_scss
      in_scss = nil
    end

    in_scss ||= scss
    options ||= {}

    assert_equal(scss.rstrip, to_scss(in_scss, options.merge(:syntax => :scss)).rstrip,
      "Expected SCSS to transform to #{scss == in_scss ? 'itself' : 'SCSS'}")
  end

  def assert_sass_to_scss(scss, sass, options = {})
    assert_equal(scss.rstrip, to_scss(sass, options).rstrip,
      "Expected Sass to transform to SCSS")
  end

  def assert_renders(sass, scss, options = {})
    assert_sass_to_sass(sass, options)
    assert_scss_to_sass(sass, scss, options)
    assert_scss_to_scss(scss, options)
    assert_sass_to_scss(scss, sass, options)
  end

  def to_sass(scss, options = {})
    Sass::Util.silence_sass_warnings do
      Sass::Engine.new(scss, options).to_tree.to_sass(options)
    end
  end

  def to_scss(sass, options = {})
    Sass::Util.silence_sass_warnings do
      Sass::Engine.new(sass, options).to_tree.to_scss(options)
    end
  end
end