NotificationMailer: add tests when user does not have any email

src/Bundle/ChillMainBundle/Tests/Notification/Email/NotificationMailerTest.php

@@ -62,6 +62,46 @@ class NotificationMailerTest extends TestCase
         $mailer->postPersistComment($comment, new PostPersistEventArgs($comment, $objectManager->reveal()));
     }
 
+    public function testPostPersistCommentDestWithNullEmail(): void
+    {
+        $this->expectNotToPerformAssertions();
+        $user1 = (new User())->setEmail('user1@foo.com');
+        $user2 = (new User())->setEmail('user2@foo.com');
+        $user3 = (new User())->setEmail(null);
+
+        $notification = new Notification();
+        $notification
+            ->setTitle('test notification')
+            ->setSender($user1)
+            ->addAddressee($user2)
+            ->addAddressee($user3)
+        ;
+
+        $comment = (new NotificationComment())
+            ->setContent("foo bar baz")
+            ->setCreatedBy($user2)
+        ;
+        $notification->addComment($comment);
+
+        $mailer = $this->prophesize(MailerInterface::class);
+
+        // a mail only to user1 and user3 should have been sent
+        $mailer->send(Argument::that(function (Email $email) {
+            foreach ($email->getTo() as $address) {
+                if ($address->getAddress() === 'user1@foo.com') {
+                    return true;
+                }
+            }
+
+            return false;
+        }));
+
+        $objectManager = $this->prophesize(EntityManagerInterface::class);
+
+        $mailer = $this->buildNotificationMailer($mailer->reveal());
+        $mailer->postPersistComment($comment, new PostPersistEventArgs($comment, $objectManager->reveal()));
+    }
+
     private function buildNotificationMailer(
         MailerInterface $mailer = null,
     ): NotificationMailer