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developerWorks: Check Your PHP code at Every Level with Unit Tests

Aug 21, 2006, 09:00 (0 Talkback[s])
(Other stories by Jack D. Herrington)


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"It's 3 a.m. Do you know if your code is still working?

"Web applications run 24x7, and wondering whether my application is still running has kept me up at night. Unit testing has helped me gain significant confidence in my code--and get a good night's sleep.

"Unit tests are a framework for writing tests on code and running those tests automatically. Test-driven development is a unit test methodology that says that you first write the test and verify that tests find the errors, then write the code required for the tests to pass..."

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