'James']; $mailable = new MailableStub; $mailable->build(function ($m) use ($testData) { $m->view('view', $testData); }); $this->assertSame($testData, $mailable->buildViewData()); $mailable = new MailableStub; $mailable->build(function ($m) use ($testData) { $m->view('view', $testData) ->text('text-view'); }); $this->assertSame($testData, $mailable->buildViewData()); } } class MailableStub extends Mailable { /** * Build the message. * * @return $this */ public function build($builder) { $builder($this); } }