Add custom email for 2FA

Related #1490

src/Wallabag/UserBundle/Tests/Mailer/AuthCodeMailerTest.php

@@ -0,0 +1,78 @@
+<?php
+
+namespace Wallabag\UserBundle\Tests\Mailer;
+
+use Wallabag\UserBundle\Entity\User;
+use Wallabag\UserBundle\Mailer\AuthCodeMailer;
+use Symfony\Component\Translation\Translator;
+use Symfony\Component\Translation\Loader\ArrayLoader;
+use Symfony\Component\Translation\DataCollectorTranslator;
+
+/**
+ * @see https://www.pmg.com/blog/integration-testing-swift-mailer/
+ */
+final class CountableMemorySpool extends \Swift_MemorySpool implements \Countable
+{
+    public function count()
+    {
+        return count($this->messages);
+    }
+
+    public function getMessages()
+    {
+        return $this->messages;
+    }
+}
+
+class AuthCodeMailerTest extends \PHPUnit_Framework_TestCase
+{
+    protected $mailer;
+    protected $spool;
+    protected $dataCollector;
+
+    protected function setUp()
+    {
+        $this->spool = new CountableMemorySpool();
+        $transport = new \Swift_Transport_SpoolTransport(
+            new \Swift_Events_SimpleEventDispatcher(),
+            $this->spool
+        );
+        $this->mailer = new \Swift_Mailer($transport);
+
+        $translator = new Translator('en');
+        $translator->addLoader('array', new ArrayLoader());
+        $translator->addResource('array', array(
+            'auth_code.mailer.subject' => 'auth_code subject',
+            'auth_code.mailer.body' => 'Hi %user%, here is the code: %code% and the support: %support%',
+        ), 'en', 'wallabag_user');
+
+        $this->dataCollector = new DataCollectorTranslator($translator);
+    }
+
+    public function testSendEmail()
+    {
+        $user = new User();
+        $user->setTwoFactorAuthentication(true);
+        $user->setEmailAuthCode(666666);
+        $user->setEmail('test@wallabag.io');
+        $user->setName('Bob');
+
+        $authCodeMailer = new AuthCodeMailer(
+            $this->mailer,
+            $this->dataCollector,
+            'nobody@test.io',
+            'wallabag test',
+            'http://0.0.0.0'
+        );
+
+        $authCodeMailer->sendAuthCode($user);
+
+        $this->assertCount(1, $this->spool);
+
+        $msg = $this->spool->getMessages()[0];
+        $this->assertArrayHasKey('test@wallabag.io', $msg->getTo());
+        $this->assertEquals(array('nobody@test.io' => 'wallabag test'), $msg->getFrom());
+        $this->assertEquals('auth_code subject', $msg->getSubject());
+        $this->assertContains('Hi Bob, here is the code: 666666 and the support: http://0.0.0.0', $msg->toString());
+    }
+}