public function testExtendsSingleChaining() { $this->serviceLocator = new ServiceManagerMock(['Config' => ['acmailer_options' => ['default' => ['extends' => null, 'message_options' => ['to' => '[email protected]']], 'foo' => ['extends' => 'default', 'message_options' => ['from' => '[email protected]']]]]]); /** @var MailOptions $mailOptions */ $mailOptions = $this->mailOptionsFactory->__invoke($this->serviceLocator, 'acmailer.mailoptions.foo'); $this->assertInstanceOf('AcMailer\\Options\\MailOptions', $mailOptions); $this->assertEquals(['to' => [['[email protected]']], 'from' => '[email protected]'], ['to' => [$mailOptions->getMessageOptions()->getTo()], 'from' => $mailOptions->getMessageOptions()->getFrom()]); }