cakephp - 如何测试从模型调用 CakeEmail

标签 cakephp testing phpunit

在 CakePHP 2.1 中,我尝试测试 CakeEmail::to() 方法是否从我的模型测试用例中使用正确的“收件人”电子邮件(在本例中为:cat@gmail.com)调用。

我希望通过以下测试,但我得到:

Expectation failed for method name is equal to <string:to> when invoked 1 time(s).
Method was expected to be called 1 times, actually called 0 times.

这是模型和测试用例中的代码:

<?php

// Model/Job.php

App::uses('AppModel', 'Model');
App::uses('CakeEmail', 'Network/Email');

class Job extends AppModel {

        public function emailCat() {
                $CakeEmail = new CakeEmail();
                $CakeEmail->to('cat@gmail.com');
                $CakeEmail->subject('hello!');
                $CakeEmail->emailFormat('text');
                $CakeEmail->config('default');
                $CakeEmail->send('hi');
        }

}

// Test/Model/JobTest.php

class JobTestCase extends CakeTestCase {

        public function setUp() {
                parent::setUp();
                $this->Job = ClassRegistry::init('Job');
        }      

        public function testEmailCat() {

                // I want to assert CakeEmail::to() is called with correct email
                $CakeEmail = $this->getMock('CakeEmail' , array('to'));
                $CakeEmail->expects($this->once())
                    ->method('to')
                    ->with($this->equalTo('cat@gmail.com'));            

                $result = $this->Job->emailCat();
        }

}

最佳答案

问题是您模拟的类与模型上实际使用的类完全不同。在您的模型函数中,您实例化了一个将被模拟的全新电子邮件类。相反,您需要确保模型使用的 CakeEmail 对象是模拟对象。

class Job extends AppModel {

        public $CakeEmail = null;  

        public function emailCat() {
                if (!$CakeEmail) {
                        $this->CakeEmail = new CakeEmail();
                }
                $this->CakeEmail = new CakeEmail();
                $this->CakeEmail->to('cat@gmail.com');
                $this->CakeEmail->subject('hello!');
                $this->CakeEmail->emailFormat('text');
                $this->CakeEmail->config('default');
                $this->CakeEmail->send('hi');
        }

}

然后更新您的测试用例以在您的 Job 模型上设置模拟对象。

class JobTestCase extends CakeTestCase {

        public function setUp() {
                parent::setUp();
                $this->Job = ClassRegistry::init('Job');
        }      

        public function testEmailCat() {

                // I want to assert CakeEmail::to() is called with correct email
                $CakeEmail = $this->getMock('CakeEmail' , array('to'));
                $CakeEmail->expects($this->once())
                    ->method('to')
                    ->with($this->equalTo('cat@gmail.com'));  
                // use mock object instead of creating a brand new one          
                $this->Job->CakeEmail = $CakeEmail;
                $result = $this->Job->emailCat();
        }

}

关于cakephp - 如何测试从模型调用 CakeEmail,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/11523135/

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