Friday 30th September, 2011
2:20pm to 3:00pm
Rubyists love testing, and test-driven-development is becoming THE way to write code. But, do we do this with our command-line tools? How DO you write a test that your awesome application cleans up its temp files? How does one make a failing test for a missing command-line option? What's the easiest way to check our app's exit codes? This talk will answer these questions with some real-world examples. We'll talk briefly about the challenges particular to testing command-line apps, and then dive into some code where we'll show off techniques for organizing code for testability, tools for interacting with the filesystem, and how to create full-blown acceptance tests for your command-line app. In no time, you'll be able to write your command-line apps the same way you write your other code: test-first.
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