Example for attaching mocked dependencies

gistfile1.php

<?php
class Auth_Driver_OpenIDTest extends PHPUnit_Framework_TestCase
{
    protected function getCache()
    {
        return $this->getMock('stdClass', array('get', 'set'));
    }

    protected function getUserClient()
    {
        return $this->getMock('stdClass', array('getUserByOpenID'));
    }

    protected function getAuthDriverOpenID($cache, $userClient)
    {
        $mock = $this->getMock('Auth_Driver_OpenID', array('getCache', 'getUserClient'));
        $mock->expects($this->once())
             ->method('getCache')
             ->will($this->returnValue($cache));
        $mock->expects($this->once())
             ->method('getUserClient')
             ->will($this->returnValue($cache));
        return $mock;
    }

    public function testGetUserByOpenIDSuccess()
    {
        // Dummy user instance
        $model  = new Model_User(array('id' => 59));
        $cache  = $this->getCache();
        $client = $this->getUserClient();
        $client->expects($this->once())
               ->method('getUserByOpenID')
               ->will($this->returnValue($model));

        $auth = $this->getAuthDriverOpenID($cache, $client);
        $this->assertSame($model, $auth->getUserByOpenID('http:://user.example.com'));
    }
}
?>