[12.x] Add hasMailer method to the mailable class (#56340)

* Add the hasMailer class to the Mailable object. * Set the $currentMailer of MailFake to be the default driver when initialising. * formatting --------- Co-authored-by: Taylor Otwell <taylor@laravel.com>

Author: kevinb1989

src/Illuminate/Mail/Mailable.php

@@ -1811,6 +1811,17 @@ private function ensureAttachmentsAreHydrated()
  });
  }
 
+ /**
+ * Determine if the mailable will be sent by the given mailer.
+ *
+ * @param string $mailer
+ * @return bool
+ */
+ public function usesMailer($mailer)
+ {
+ return $this->mailer === $mailer;
+ }
+
  /**
  * Set the name of the mailer that should send the message.
  *

src/Illuminate/Support/Testing/Fakes/MailFake.php

@@ -55,6 +55,7 @@ class MailFake implements Factory, Fake, Mailer, MailQueue
  public function __construct(MailManager $manager)
  {
  $this->manager = $manager;
+ $this->currentMailer = $manager->getDefaultDriver();
  }
 
  /**

tests/Mail/MailMailableTest.php

@@ -573,10 +573,11 @@ public function testMailerMayBeSet()
  $mailable = new WelcomeMailableStub;
 
  $mailable->mailer('array');
+ $this->assertTrue($mailable->usesMailer('array'));
 
- $mailable = unserialize(serialize($mailable));
-
- $this->assertSame('array', $mailable->mailer);
+ $mailable->mailer('smtp');
+ $this->assertTrue($mailable->usesMailer('smtp'));
+ $this->assertFalse($mailable->usesMailer('ses'));
  }
 
  public function testMailablePriorityGetsSent()

tests/Support/SupportTestingMailFakeTest.php

@@ -31,7 +31,10 @@ class SupportTestingMailFakeTest extends TestCase
  protected function setUp(): void
  {
  parent::setUp();
- $this->mailManager = m::mock(MailManager::class);
+ $this->mailManager = m::mock(MailManager::class, function ($mock) {
+ $mock->shouldReceive('getDefaultDriver')
+ ->andReturn('smtp');
+ });
  $this->fake = new MailFake($this->mailManager);
  $this->mailable = new MailableStub;
  }
@@ -380,6 +383,33 @@ public function testMissingMethodsAreForwarded()
 
  $this->assertEquals('bar', $this->fake->foo());
  }
+
+ public function testAssertMailer()
+ {
+ $this->fake->to('taylor@laravel.com')->send($this->mailable);
+
+ $this->fake->assertSent(MailableStub::class, function ($mail) {
+ return $mail->usesMailer('smtp');
+ });
+
+ $this->fake->mailer('ses')->to('taylor@laravel.com')->send($this->mailable);
+
+ $this->fake->assertSent(MailableStub::class, function ($mail) {
+ return $mail->usesMailer('ses');
+ });
+
+ $this->fake->mailer('sendgrid')->to('taylor@laravel.com')->queue($this->mailable);
+
+ $this->fake->assertQueued(MailableStub::class, function ($mail) {
+ return $mail->usesMailer('sendgrid');
+ });
+
+ $this->fake->mailer('mailjet')->to('taylor@laravel.com')->queue($this->mailable);
+
+ $this->fake->assertQueued(MailableStub::class, function ($mail) {
+ return $mail->usesMailer('mailjet');
+ });
+ }
 }
 
 class MailableStub extends Mailable