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56967Re: [scrumdevelopment] Convince the team o f writing unit tests even if you have got int egration tests

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  • Charles Bradley - Professional Scrum Trai
    Jun 24, 2013

      (I will point out that this is somewhat off topic of Scrum, but that doesn't bother me very much -- you might try this also on the "extremeprogramming" yahoo group, as well as TDD and XP groups on LinkedIn)

      What is the empirical evidence for your team on:
      • Relative #'s and value of bugs escaping to production?
      • Code coverage achieved by the integration tests?
      • "Number of WTF's per minute" when developers read/review new code?
        • Google this one if you don't know what it means.  Some substitute "What's this function?" or "Why the (confused, angry, etc)Face?"
      • "Number of WTF's per minute" when developers read/review legacy code?
      Charles Bradley
      Professional Scrum Trainer
      Scrum Coach-in-Chief

      From: "m.schneider@..." <m.schneider@...>
      To: scrumdevelopment@yahoogroups.com
      Sent: Friday, June 21, 2013 12:53 AM
      Subject: [scrumdevelopment] Convince the team of writing unit tests even if you have got integration tests


      I'm working with a new team and try to convince the team members that it
      is important to write unit tests and have got covered at least methods
      which consist of logic. Also it is important (for me) to write unit
      tests for existing code if you touch it and it is not covered yet.
      Unfortunately some of the team members tell me that they do not want to
      write unit tests because we have got integration tests and those will
      test the correctness of the code and with that make unit tests

      What can I tell those guys why it is important to write unit tests even
      if you have got integration tests?



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