Chapter 14. Unit Test

Unit Test

Photo by Alfred T. Palmer. Library of Congress, Prints & Photographs Division, FSA-OWI Collection, Reproduction Number: LC-USE6-D-005032.

All the parts of an airplane engine, which has just undergone severe tests in a Midwest plant, are spread out for minute inspection. Continental Motors, Michigan, February 1942.

Sometimes a Smoke Test (13) is not enough to test a change in detail when you are working on a module, especially when you are working on new code. This pattern shows you how to test detailed changes so that you can ensure the quality of your codeline.

Note

How do you test whether a module still works as it should after ...

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