如何在功能测试(Symfony2)中测试电子邮件 [英] How to test email in functional test (Symfony2)

问题描述

我正在尝试在功能测试中测试电子邮件...

I'm trying to test email in functional test...

我的源代码与菜谱示例，

控制器:

public function sendEmailAction($name)
{
    $message = \Swift_Message::newInstance()
        ->setSubject('Hello Email')
        ->setFrom('[e-mail]')
        ->setTo('[e-mail]')
        ->setBody('You should see me from the profiler!')
    ;

    $this->get('mailer')->send($message);

    return $this->render(...);
}

测试:

// src/Acme/DemoBundle/Tests/Controller/MailControllerTest.php
use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;

class MailControllerTest extends WebTestCase
{
    public function testMailIsSentAndContentIsOk()
    {
        $client = static::createClient();

        // Enable the profiler for the next request (it does nothing if the profiler is not available)
        $client->enableProfiler();

        $crawler = $client->request('POST', '/path/to/above/action');

        $mailCollector = $client->getProfile()->getCollector('swiftmailer');

        // Check that an e-mail was sent
        $this->assertEquals(1, $mailCollector->getMessageCount());

        $collectedMessages = $mailCollector->getMessages();
        $message = $collectedMessages[0];

        // Asserting e-mail data
        $this->assertInstanceOf('Swift_Message', $message);
        $this->assertEquals('Hello Email', $message->getSubject());
        $this->assertEquals('[e-mail]', key($message->getFrom()));
        $this->assertEquals('[e-mail]', key($message->getTo()));
        $this->assertEquals(
            'You should see me from the profiler!',
            $message->getBody()
        );
    }
}

但是我遇到了这个错误:

however I got this error :

PHP致命错误:在服务器上调用成员函数getCollector() 非对象

PHP Fatal error: Call to a member function getCollector() on a non-object

问题来自此行:

$mailCollector = $client->getProfile()->getCollector('swiftmailer');

有什么主意吗?

推荐答案

正在引发异常，因为如果未启用分析器，则getProfile()返回false.参见此处.

The exception is being thrown because getProfile() returns false if the profiler is not enabled. see here.

public function getProfile()
{
    if (!$this->kernel->getContainer()->has('profiler')) {
        return false;
    }

    return $this->kernel->getContainer()->get('profiler')->loadProfileFromResponse($this->response);
}

此外，enableProfiler()仅在已启用服务容器的情况下注册了探查器时才启用.参见此处.

Furthermore enableProfiler()only enables the profiler if it is registered with the service-container aka enabled. see here.

public function enableProfiler()
{
    if ($this->kernel->getContainer()->has('profiler')) {
        $this->profiler = true;
    }
}

现在，您必须确保在测试环境中启用了探查器. (通常应为默认设置)

Now you have to make sure the profiler is enabled in the test environment. ( should normally be the default setting )

config_test.yml

framework:
   profiler:
       enabled: true

您可以在测试中添加以下内容:

You could add something like this to your test:

$this->assertEquals($this->kernel->getContainer()->has('profiler'), true);

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