Christian Scheb • 7/6/2014

PHPUnit: Remove non-deterministic dependencies

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This article discusses the challenge of writing repeatable PHPUnit tests when code uses non-deterministic functions like mt_rand(), time(), or date(). It reviews existing solutions, critiques them, and presents preferred methods using encapsulation and 'seams' to isolate randomness, making unit tests predictable. Includes a practical example with a BlogManager class.

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#unit testing #mocking #Phpunit
PHPUnit: Remove non-deterministic dependencies

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