Eccube\Tests\Application\SwiftmailerTraitTest::testMail PHP Method

    public function testMail()
    {
        $app = $this->app;
        $message = $this->getMockBuilder('Swift_Message')->disableOriginalConstructor()->getMock();
        $app['mailer'] = $mailer = $this->getMockBuilder('Swift_Mailer')->disableOriginalConstructor()->getMock();
        $mailer->expects($this->once())->method('send')->with($message);
        $app->mail($message);
    }