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Testing · medium

36. PHPUnit Testing

Automated testing in PHP.

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PHPUnit is the de facto standard testing framework for PHP, where test classes extend TestCase and test methods (conventionally prefixed with 'test' or annotated with #[Test]) contain assertions like assertEquals() and assertTrue(). Tests are run with the phpunit CLI command.

Data providers let a single test method run against multiple input/output pairs, and mock objects (via createMock()) isolate the unit under test from its dependencies.

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  1. 1. What must a PHPUnit test class typically extend?

  2. 2. What technique lets one test method run with multiple sets of inputs?

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