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PhpUnit测试-声明变量和树枝模板内容

[英]PhpUnit Test - Asserting variables and twig template content

我根据本教程定义了一个简单的电子邮件控制器:

https://symfony.com/doc/3.4/email.html

因此,php文件代码为:

<?php

namespace AppBundle\Controller;

use Symfony\Component\HttpKernel\Tests\Controller;


class SendEmailController extends Controller
{
    public function indexAction($originlEmail, $destinationEmail1, $destinationEmail2, $name, \Swift_Mailer $mailer)
    {
        $message = (new \Swift_Message('Email Title'))
            ->setFrom($originlEmail)
            ->setTo($destinationEmail1, $destinationEmail2)
            ->setBody(
                $this->renderView(
                    'emails/send-email.html.twig',
                    array('name' => $name)
                ),
                'text/html'
            );

        $mailer->send($message);

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

.twig模板代码为:

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8" />
</head>
<body>
    <h3>This is an email!</h3>
    <p>Hi {{ name }}, this is an email! </p>
</body>
</html>

现在,按照本教程https://symfony.com/doc/3.4/email/testing.html创建一个PhpUnit测试类:

<?php

namespace tests\AppBundle\Controller;

use AppBundle\Controller\SendMyEmailController;

class SendCustomerEmailControllerTest extends PHPUnit_Framework_TestCase
{
    public function testMailIsSentAndContentIsCorrect()
    {
        $client = static:: createClient();

        $client->enableProfiler();

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

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

        $this->assertSame(1, $mailCollector->getMessageCount());

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

        $this->assertInstanceOf('Swift_Message', $message);
        $this->assertSame('My Email Title', $message->getSubject());
        $this->assertSame($originEmail, key($message->getFrom()));
        $this->assertSame($destinationEmail1, $destinationEmail2, key($message->getTo()));
        ##Asserting template content???
        $this->assertSame(?????, $message->getBody()
        );
    }
}

然后,我遇到的问题是:

  1. 考虑到在“ assertSame ...”行中的事实,我应该在哪里以及如何定义(在测试中)诸如$ originEmail的变量 ,我会收到错误消息“未定义的变量$ originEmail”。

  2. 是正确的$this->assertSame($destinationEmail1, $destinationEmail2, key($message->getTo()));行的语法(考虑到它们是多个变量 $this->assertSame($destinationEmail1, $destinationEmail2, key($message->getTo()));

  3. 如果在.twig模板中显示了正文内容(而不是在.php控制器中定义的文本)(另外,还使用了{{name}}这样的变量,该如何声明正文内容?

关于1)

我将如何处理取决于该信息如何传递到操作中。 如果这不是请求的一部分,我可以通过执行以下操作来针对期望值进行断言:

$this->assertSame('expected@email.com', $message->getFrom());

如果它是路由的一部分,我会在测试中分配一个局部变量,然后将其传递到路由中,也许像这样:

$originalEmail = 'expected@email.com';
$path = sprintf('/path/to/action/%s', $originalEmail);
$client->request('POST', $path);
...
$this->assertSame($originalEmail, $message->getFrom());

如果它是POST数据的一部分:

$data = [
    'originalEmail' => 'expected@email.com',
];
$client->request('POST', '/path/to/action', $data);
...
$this->assertSame($data['originalEmail'], $message->getFrom());

关于2)

这将无法正常工作,但是您可以执行以下操作(如果电子邮件是数组中的值):

$this->assertContains($destinationEmail1, $message->getTo());

或者,如果它是密钥,则像这样(例如您的示例):

$this->assertArrayHasKey($destinationEmail1, $message->getTo());

关于3)

如果要比较正文与示例匹配,则可能必须将参考输出存储在文件中,然后比较内容:

$this->assertSame(
    file_get_contents(__DIR__ . '/emails/reference_output.html'),
    $message->getBody()
);

在这种情况下,您必须小心,您的电子邮件正文包含与参考输出相同的名称。

另外,您也可以使用搜寻器来查找某些html元素及其内容,例如,检查标题<h3>This is an email!</h3>是否在其中:

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

$this->assertSame(
    'This is an email!',
    $crawler->filter('h3')->first()->text()
);
// alternative:
$this->assertGreaterThan(
    0,
    $crawler->filter('h3:contains("This is an email!")')->count()
);

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