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Lesson 8 - Fake, Codeception Stub and AspectMock

In the previous lesson, MockBuilder and mock / stub methods, we mocked an object and learned to mock or stub its methods, so either to keep its original methods and just limit their execution or to replace them with the stubs returning some prepared value. In today's PHP tutorial, we're going to continue similarly with the implementation, showing how to completely re-implement stub methods (the fake test double). Then, we're going to introduce the Codeception's PHPunit wrapper. And at the end, we'll even mention ways to test badly written code which use Singletons, static members, and so on.

Last time, we showed how to change the return value of a stub method by calling the will() method:


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In this tutorial, we'll learn to change stub's implementation using the Fake test double, introduce the Codeception PHPunit wrapper, and AspectMock.

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Article has been written for you by David Capka Hartinger
The author is a programmer, who likes web technologies and being the lead/chief article writer at He shares his knowledge with the community and is always looking to improve. He believes that anyone can do what they set their mind to.
Unicorn university David learned IT at the Unicorn University - a prestigious college providing education on IT and economics.