sass-compatibility / sass-compatibility.github.io翻译 / 编辑

最近提交:3年前
创建时间:2014.12.08

语言构成

CSS42.4%
HTML34.3%
Ruby23.3%

README

Sass Compatibility

Sass compatibility issues between different engines.

Building

You'll need a couple things to get started.

Docker

If you don't already have a Docker environment you can download and install boot2docker (OS X, Windows).

boot2docker init
boot2docker up

Ruby

If you don't already have Ruby setup you can download the installer from the Ruby website or use brew on OS X.

Bundler

Once you have Ruby installed you need to install the Bundler gem, and use it to install the required gem dependencies.

gem install bundler
bundle install

Running

Execute the test suit via bundler.

bundle exec rake

The Rakefile will:

  • Clone sass-spec and symlink sass-spec/spec to spec if needed.
  • Load tests from _data/tests.yml.
  • Download docker images of the Ruby Sass and Libsass executables.
  • Compile each test input with all supported engines, and normalize the output CSS (creating output.#{engine}.css files in the test directory).
  • Create a expected_output_clean.css from expected_output.css for each test using the same normalization rules.
  • Compare the output of each engine with the expected output and create a support.yml file in each test directory (containing the results for this test).
  • Aggregate the test data for every feature described in _data/tests.yml, in _data/support.yml.
  • Compute support stats in _data/stats.yml.
  • Create a (summarized) SCSS version of the stats in _sass/utils/_stats.scss.

I/O YAML structure

_data/tests.yml

This file contains a list of features to test, with one or multiple tests (relative to the project root) for each feature.

call_function: spec/basic/60_call

angle_conversion:
  - spec/libsass-clised-issues/issue_666/angle
  - spec/libsass-clised-issues/issue_666/length

A test, according to sass-spec, is a directory with input.scss and expected_output.css files.

_data/support.yml

All the features described in _data/tests.yml are present, but will now contain the test results, for each engine, with details for each individual test.

If support is true for an engine, all the tests passed. If false, all the tests failed. If nil, the results were mixed.

call_function:
  ruby_sass_3_2:
    support: false
    tests:
      spec/basic/60_call: false
  ruby_sass_3_4:
    support: true
    tests:
      spec/basic/60_call: true

angle_conversion:
  ruby_sass_3_2:
    support:
    tests:
      spec/libsass-closed-issues/issue_666/angle: false
      spec/libsass-closed-issues/issue_666/length: true
  ruby_sass_3_4:
    support: true
    tests:
      spec/libsass-closed-issues/issue_666/angle: true
      spec/libsass-closed-issues/issue_666/length: true

Note: I stripped some engines from the example output to keep it lightweight.

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