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PHPUnit 3.5: Refactoring to Components

Note: This article was originally published at Planet PHP on 23 July 2010.
Planet PHP

When you look at the list of changes for PHPUnit 3.5, you will see that many of them deal with refactoring to components. Here is an overview of these new components:

  • PHP_CodeCoverage

    The collection, processing, and rendering of code coverage information has been factored out into a separate component. A bit more information can be found here.

  • PHPUnit_MockObject

    The functionality to automatically generate an object that can act as a test double for a specified original class has been factored out into a separate component. Do not worry, getMock() and related methods will work just as they did in previous versions of PHPUnit. The refactoring, however, makes the usage of other mock object libraries (such as Mockery or Phake, for instance) easier.

  • DbUnit

    The database testing functionality that is provided by the DbUnit extension and the respective DatabaseTestCase class has been moved to a separate component. Michael Lively Jr, the author of DbUnit, is now able to make releases of the database testing extension on a release schedule that is separate from PHPUnit itself, meaning that I will be even less involved in its development than I have before.

  • PHPUnit_Selenium

    SeleniumTestCase, the Selenium RC integration for PHPUnit, has been moved to a separate component to allow a release cycle separate from PHPUnit itself.

  • File_Iterator, PHP_Timer, Text_Template

    Utility methods to collect files and report resource usage as well as a simple templating mechanism have been moved to separate components so that they can be reused by other tools such as phpcb, phpcs, phpcpd, and pdepend.