Test Driven Development
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Test Driven Development

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Test Driven Development Test Driven Development Presentation Transcript

  • Test Driven Development
  • Debugging Sucks photo by Craig Hamnett: http://flickr.com/photos/craighamnett/2394016065/
    • “ The gain in productivity comes from a reduction in time spent debugging—you no longer spend hours looking for a bug, you find it in minutes.”
    • - Extreme Programming Explained
  • Attention Span of a…
  • Automated Testing
    • Lets you be more thorough without falling asleep.
    • “ When the system requires that you duplicate code, it is asking for refactoring.”
    • - Extreme Programming Explained
    • TDD
    • IS
    • ABOUT
    • CONFIDENCE
    • “ The customers need to prepare a set of tests that represent their confidence.”
    • - Extreme Programming Explained
    • “ I don’t trust anything I write until I have tests for it.”
    • - Extreme Programming Explained
    • Constant testing is crucial to short release cycles.
  • Quality can’t be injected
  • Quality is mixed in throughout
    • Coding is more fun and less taxing with tests in place. You are more free to refactor improve the internal quality of your products and experiment.