具有多个Expects()调用的PHPUnit模拟 [英] PHPUnit mock with multiple expects() calls

问题描述

使用PHPUnit，我想知道我们如何从同一个存根/模拟中获得多个期望.

Using PHPUnit, I wonder how we can have multiple expectation from the same stub/mock.

例如，我要测试该模拟将调用方法display()并返回NULL.我还想测试方法process()将被调用.

For example, I want to test that the mock will have the method display() called and return NULL. I also want to test that the method process() will be called.

实际上我的测试称为testProcessIsCalledIfDisplayReturnNull().

所以我需要在同一个模拟对象上设置2个期望值，而手册对此并没有真正帮助:(

So I need to setup 2 expectations on the same mock object, and the manual doesn't really help about that :(

推荐答案

如果您知道，该方法将被调用一次，方法是在Expects()中使用$ this-> once()，否则使用$ this-> any()

If you know, that method is called once use $this->once() in expects(), otherwise use $this->any()

$mock = $this->getMock('nameOfTheClass', array('firstMethod','secondMethod','thirdMethod'));
$mock->expects($this->once())
     ->method('firstMethod')
     ->will($this->returnValue('value'));
$mock->expects($this->once())
     ->method('secondMethod')
     ->will($this->returnValue('value'));
$mock->expects($this->once())
     ->method('thirdMethod')
     ->will($this->returnValue('value'));

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