Test Culture Episode 4 : 336 Combinations Manually Tested.
Let me illustrate the importance of unit testing with a budget / motivation nightmare we lived in one of my job. The Monster We had an in-house system in our RCP application to test whether or not a...
View ArticleTest Culture Episode 5 : “Hudson. We Got A Problem”
Unit tests are uselesss if they are not launched often, automatically and do some noise when crashing ! Hudson, Jenkins or Whatever Rule N° 1 : You need a system to launch your tests automatically....
View ArticleTest Culture Episode 6 : Unit Tests Are Better Than Excellent Specifications
Let me rephrase : GOOD unit tests are better than excellent specifications. Unit tests actually ARE the specifications. It’s Mathematical Here’s the equation : Excellent specifications = Very refined...
View ArticleTest Culture Episode 7. “Tests Are Broken ? Let’s Ignore Them !”
No. You can’t ! As a manager the only bossy instruction you should give is : “Don’t you ever shut down a crashing test ! Fix it now !” If a test is broken and red, no one should ever take the...
View ArticleTest Culture Episode 8. Moving Sh*t Around.
« If you don’t have unit tests, you are not refactoring, you are just moving shit around » I’m so sorry. I could not find the source of this quote. But you get the meaning anyways. Or maybe not… Maybe...
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Test Culture Episode 9. A 100% Is Not Enough.
As a manager you love metrics. Code coverage is a good metric. But a very limited one. Don’t be naive : a 100% code coverage is impossible and not enough to ensure quality. You must do more. Code...
View ArticleGood Unit Test CheckList
Here are a few items I try to respect every time I write unit tests. My test class is testing one and only one class My methods are testing one and only one method at a time My variables and methods...
View ArticleTest Culture Episode 10. Knowing When To Stop.
Unit tests are like painting. A good artist knows what he wants and when he has it. He also knows the “why”. Same for (good) developers/managers. Having The End In Mind First : you must know why...
View ArticleTest Culture Episode 11. What’s The Cost Of Unit Tests ?
This is the big question : how much ? Cheap people only calculate cost with money. But if you want well-tested software you’ve got to see the bigger picture. Here is how I see it. But since it’s quite...
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Unit Tests Explained To Managers In 10 points. Test Culture Episode 12.
Here are 10 reasons why you, as a manager, should care about unit tests. It’s a summary of this series of 12 articles on unit tests for managers. Evaluate Your Position First a little test for you to...
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