Merge branch '4.4' into 5.3

* 4.4:
  [PHPUnitBridge] [PHPUnit Bridge] Remove the table that lists PHPUnit versions
  Add functional test chapter to mailer

Author: javiereguiluz

components/phpunit_bridge.rst

@@ -903,18 +903,6 @@ configured by the ``SYMFONY_PHPUNIT_DIR`` env var, or in the same directory as
 the ``simple-phpunit`` if it is not provided. It's also possible to set this
 env var in the ``phpunit.xml.dist`` file.
 
-By default, these are the PHPUnit versions used depending on the installed PHP versions:
-
-=====================  ===============================
-Installed PHP version  PHPUnit version used by default
-=====================  ===============================
-PHP <= 5.5             PHPUnit 4.8
-PHP 5.6                PHPUnit 5.7
-PHP 7.0                PHPUnit 6.5
-PHP 7.1                PHPUnit 7.5
-PHP >= 7.2             PHPUnit 8.3
-=====================  ===============================
-
 If you have installed the bridge through Composer, you can run it by calling e.g.:
 
 .. code-block:: terminal
@@ -923,7 +911,7 @@ If you have installed the bridge through Composer, you can run it by calling e.g
 
 .. tip::
 
-    It's possible to change the base version of PHPUnit by setting the
+    It's possible to change the PHPUnit version by setting the
     ``SYMFONY_PHPUNIT_VERSION`` env var in the ``phpunit.xml.dist`` file (e.g.
     ``<server name="SYMFONY_PHPUNIT_VERSION" value="5.5"/>``). This is the
     preferred method as it can be committed to your version control repository.

mailer.rst

@@ -1416,6 +1416,37 @@ a specific address, instead of the *real* address:
             ;
         };
 
+Write a Functional Test
+~~~~~~~~~~~~~~~~~~~~~~~
+
+To functionally test that an email was sent, and even assert the email content or headers,
+you can use the built in assertions::
+
+    // tests/Controller/MailControllerTest.php
+    namespace App\Tests\Controller;
+
+    use Symfony\Bundle\FrameworkBundle\Test\MailerAssertionsTrait;
+    use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+
+    class MailControllerTest extends WebTestCase
+    {
+        use MailerAssertionsTrait;
+
+        public function testMailIsSentAndContentIsOk()
+        {
+            $client = $this->createClient();
+            $client->request('GET', '/mail/send');
+            $this->assertResponseIsSuccessful();
+
+            $this->assertEmailCount(1);
+
+            $email = $this->getMailerMessage();
+
+            $this->assertEmailHtmlBodyContains($email, 'Welcome');
+            $this->assertEmailTextBodyContains($email, 'Welcome');
+        }
+    }
+
 .. _`high availability`: https://en.wikipedia.org/wiki/High_availability
 .. _`load balancing`: https://en.wikipedia.org/wiki/Load_balancing_(computing)
 .. _`download the foundation-emails.css file`: https://github.com/foundation/foundation-emails/blob/develop/dist/foundation-emails.css