Quality Coding
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Category Archives for iOS Tools

OCHamcrest helping hand

Hamcrest: A Tool for Readable, Powerful Unit Tests

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Unit test code is often tricky to read. Test output is often hard to read. There’s got to be a better way.

There is!

give me by sanja gjenero, used under Freeimages licence / Added text

Hamcrest is an important tool for writing unit tests. It’s now a standard feature of jUnit, and lets you build test expressions that are expressive and readable:

  • Readable source code
  • Readable diagnostic output

I’ve ported Hamcrest to two languages:

Since Quality Coding focuses on iOS development, I’ll write about OCHamcrest on this blog.

…But Justin Shacklette beat me to the punch! His post Intro to OCHamcrest is a nice overview. He introduces the many “matchers,”  illustrating them with code samples. He even makes special notes to call out areas that might trip you up.

I’ll eventually write about OCHamcrest myself. Until then, go check out Justin’s writeup.

Any questions about OCHamcrest? Leave a comment below.

See also: How OCHamcrest’s “hasProperty” Can Make Your Tests Simpler

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