In my latest contract I have been developing automated tests for a Rails application using Selenium and Cucumber. I was reasonably comfortable with Selenium, or so I thought but Cucumber was another story, no pun intended.
Cucumber allows you to define tests in natural language such as:
Given I am a valid user
When I log in
Then I should see my todo list
Pretty cool but the real beauty is in creating a DSL that lets you spit out tests nearly as fast as you can think of them. This is where the true benefit of Cucumber + Selenium really shines. Yes it takes significant time to build up the DSL but over time, you have a vocabulary that allows you to not only test the application but in true BDD form, specify it as well.
More to come over the next few weeks.
Tuesday, February 24, 2009
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