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Write more readable tests in Test::Unit with this tiny script.

branch: master
README.markdown

Contest

Contexts for Test::Unit.

Description

Write declarative tests using nested contexts without performance penalties. Contest is less than 100 lines of code and gets the job done.

Usage

Declare your tests as you would in RSpec or Shoulda:

require 'contest'

class SomeTest < Test::Unit::TestCase
  setup do
    @value = 1
  end

  teardown do
    @value = nil
  end

  test "sample test" do
    assert_equal 1, @value
  end

  context "a context" do
    setup do
      @value += 1
    end

    test "more tests" do
      assert_equal 2, @value
    end

    context "a nested context" do
      setup do
        @value += 1
      end

      test "yet more tests" do
        assert_equal 3, @value
      end
    end
  end
end

For your convenience, context is aliased as describe and test is aliased as should, so this is valid:

class SomeTest < Test::Unit::TestCase
  setup do
    @value = 1
  end

  describe "something" do
    setup do
      @value += 1
    end

    should "equal 2" do
      assert_equal 2, @value
    end
  end
end

You can run it normally, it's Test::Unit after all. If you want to run a particular test, say "yet more tests", try this:

$ testrb my_test.rb -n test_yet_more_tests

Or with a regular expression:

$ testrb my_test.rb -n /yet_more_tests/

Installation

$ sudo gem install contest

If you want to use it with Rails, add this to config/environment.rb:

config.gem "contest"

Then you can vendor the gem:

rake gems:install
rake gems:unpack

License

Copyright (c) 2009 Damian Janowski and Michel Martens for Citrusbyte

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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