Phake - PHP Mocking Framework

The Phake::verify() method is used to assert that method calls have been made on a mock object that you can create with Phake::mock(). Phake::verify() accepts the mock object you want to verify calls against. Mock objects in Phake can almost be viewed as a tape recorder. Any time the code you are testing calls a method on an object you create with Phake::mock() it is going to record the method that you called along with all of the parameters used to call that method. Then Phake::verify() will look at that recording and allow you to assert wether or not a certain call was made.

The Phake::verify() call here, verifies that the method foo() has been called once (and only once) with no parameters on the object $mock. A very important thing to note here that is a departure from most (if not all) other PHP mocking frameworks is that you want to verify the method call AFTER the method call takes place. Other mocking frameworks such as the one built into PHPUnit depend on you setting the expectations of what will get called prior to running the system under test.

Phake strives to allow you to follow the four phases of a unit test as layed out in xUnit Test Patterns: setup, exercise, verify, and teardown. The setup phase of a test using Phake for mocking will now include calls to Phake::mock() for each class you want to mock. The exercise portion of your code will remain the same. The verify section of your code will include calls to Phake::verify(). The exercise and teardown phases will remain unchanged.