TestDiff

Build Status

Gem that attempts to find the tests that are required to run for the changes you have made.

Project requirements

  • RSpec 2+
  • project tracked with git

Installation

Add this line to your application's Gemfile:

gem 'test_diff', group: :test

And then execute:

$ bundle

Rails Setup

Suggest to disabled eager_load in config/environments/test.rb based on ENV['TEST_DIFF_COVERAGE'] EG:

config.eager_load = ENV['TEST_DIFF_COVERAGE'].blank?

Also make sure to disable simple_cov if you use it when ENV['TEST_DIFF_COVERAGE'] is set EG:

unless ENV['TEST_DIFF_COVERAGE']
  require 'simplecov'
  SimpleCov.start 'rails'
end

Usage

Building the test coverage index

$ test_diff build_coverage spec spec/spec_helper.rb
$ # part here to upload test_diff_coverage to a shared space, ie aws

Running a test difference

$ # part here to download test_diff_coverage from shared space, ie aws
$ test_diff rspec

Development

After checking out the repo, run bin/setup to install dependencies. Then, run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release to create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

  1. Fork it ( https://github.com/[my-github-username]/test_diff/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request