socialmedian: Riot: for fast, expressive and focused unit tests

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Riot: for fast, expressive and focused unit tests

Source: Ruby Inside

Oct 31, 2009

Summary

Riot is a new Ruby test framework by Justin Knowlden that focuses on faster testing. Justin was frustrated with his slow running test suites, despite employing techniques such as using factories, mocks and avoiding database access. He realized that a slow-running suite makes one reluctant to run it or expand it - not good.

With Riot, each test consists of a block which forms a single assertion on the topic of the test, keeping the tests focused. Tests run in a specific context, and the setup code is only run once per context, further contributing to the speed of your test suite, and unlike some Ruby test frameworks, such as Shoulda, that rely on or are based on Test::Unit, Riot has taken a new approach for speed purposes. In Justin's own comparisons, Riot comes out about twice as fast as Test::Unit.

Here's an example Riot test (from the README):

context "a new user" do
setup { User.new(:email => 'foo@bar.com') }
asserts("email address") { topic.email }.equals('foo@bar.com')
end

Riot's comprehensive README also includes lots of examples and details on how to

...Read the full article

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