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POZend Framework: How to unit test a model using Zend_Service_Twitter
 

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    <p>I have been getting into Unit Testing with Zend Framework. I am getting used to the other things it provide but I am having a hard time understanding Mock Objects.</p> <p>For this example, I am trying to use a Mock Object to test out my model.</p> <pre><code>&lt;?php class Twitter_Model_Twitter { private $_twitter; /** * Make the options injectable. * __contruct($auth, $key) */ public function __construct() { $config = new Zend_Config_Ini(APPLICATION_INI, APPLICATION_ENV); $key = $config-&gt;encryption-&gt;salt; $iv_size = mcrypt_get_iv_size(MCRYPT_XTEA, MCRYPT_MODE_ECB); $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND); $password = mcrypt_decrypt(MCRYPT_XTEA, $key, $password, MCRYPT_MODE_ECB, $iv); $this-&gt;_twitter = new Zend_Service_Twitter($username, $password); } public function verifyCredentials() { return $this-&gt;_twitter-&gt;account-&gt;verifyCredentials(); } public function friendsTimeline($params) { return $this-&gt;_twitter-&gt;status-&gt;friendsTimeline($params); } } </code></pre> <p>For my unit test:</p> <pre><code>require_once ('../application/models/Twitter.php'); class Model_TwitterTest extends ControllerTestCase { /** * @var Model_Twitter */ protected $_twitter; public function testfriendsTimeline() { $mockPosts = array('foo', 'bar'); //my understanding below is: //get a mock of Zend_Service_Twitter with the friendsTimeline method $twitterMock = $this-&gt;getMock('Zend_Service_Twitter', array('friendsTimeline')); /* line above will spit out an error: 1) testfriendsTimeline(Model_TwitterTest) Missing argument 1 for Mock_Zend_Service_Twitter_9fe2aeaa::__construct(), called in /Applications/MAMP/bin/php5/lib/php/PHPUnit/Framework/TestCase.php on line 672 and defined /htdocs/twitter/tests/application/models/TwitterTest.php:38 */ $twitterMock-&gt;expects($this-&gt;once()) -&gt;method('friendsTimeline') -&gt;will($this-&gt;returnValue($mockPosts)); $model = new Twitter_Model_Twitter(); $model-&gt;setOption('twitter', $twitterMock); $posts = $model-&gt;friendsTimeline(array('count'=&gt;20)); $this-&gt;assertEquals($posts, $mockPosts); } } </code></pre> <p>How would you test the following? 1) verifyCredentials() 2) friendsTimeline()</p> <p>Thanks, Wenbert</p>
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