Unit testing PHPUnit测试中Zend Framework 3中的模拟视图帮助器

我想在Zend Framework 3中测试一个特定的控制器操作。因为我使用了

ZfcUser

（）和

bjyaauthorize

（），所以我需要模拟一些视图帮助程序。例如，我需要模拟

isAllowed

查看帮助程序，并让它始终返回true：

class MyTest extends AbstractControllerTestCase
{
    public function setUp()
    {
        $this->setApplicationConfig(include 'config/application.config.php');
        $bootstrap      = \Zend\Mvc\Application::init(include 'config/application.config.php');
        $serviceManager = $bootstrap->getServiceManager();

        $viewHelperManager = $serviceManager->get('ViewHelperManager');

        $mock = $this->getMockBuilder(IsAllowed::class)->disableOriginalConstructor()->getMock();
        $mock->expects($this->any())->method('__invoke')->willReturn(true);

        $viewHelperManager->setService('isAllowed', $mock);

        $this->getApplication()->getServiceManager()->setAllowOverride(true);
        $this->getApplication()->getServiceManager()->setService('ViewHelperManager', $viewHelperManager);
    }

    public function testViewAction()
    {
        $this->dispatch('/myuri');
        $resp = $this->getResponse();
        $this->assertResponseStatusCode(200);
        #$this->assertModuleName('MyModule');
        #$this->assertMatchedRouteName('mymodule/view');
    }
}

在我的

view.phtml

（将通过打开/分派

/myuri

uri来呈现）中，我调用视图助手

$this->isAllowed（'my-resource'）

但在执行

testViewAction（）

时，我得到了响应代码500，但异常失败：

---

如何将我的

以某种方式注入到视图帮助器管理器中，让测试用例（
testViewAction
/
$this->dispatch（）
）通过。
ViewHelperManager是service manager的另一个实例。而且它不允许覆盖。您可以在“setService”方法之前尝试“setAllowOverride”吗？
如前一个答案所述，我们需要在应用程序对象的
ViewHelperManager中重写ViewHelper。以下代码显示了如何实现这一点：

public function setUp()
{
    $this->setApplicationConfig(include 'config/application.config.php');
    $bootstrap = \Zend\Mvc\Application::init(include 'config/application.config.php');
    $serviceManager = $bootstrap->getServiceManager();

    // mock isAllowed View Helper of Bjyauthorize
    $mock = $this->getMockBuilder(IsAllowed::class)->disableOriginalConstructor()->getMock();
    $mock->expects($this->any())->method('__invoke')->willReturn(true);

    // inject the mock into the ViewHelperManager of the application
    $this->getApplication()->getServiceManager()->get('ViewHelperManager')->setAllowOverride(true);
    $this->getApplication()->getServiceManager()->get('ViewHelperManager')->setService('isAllowed', $mock);
}

public function setUp()
{
    $this->setApplicationConfig(include 'config/application.config.php');
    $bootstrap = \Zend\Mvc\Application::init(include 'config/application.config.php');
    $serviceManager = $bootstrap->getServiceManager();

    // mock isAllowed View Helper of Bjyauthorize
    $mock = $this->getMockBuilder(IsAllowed::class)->disableOriginalConstructor()->getMock();
    $mock->expects($this->any())->method('__invoke')->willReturn(true);

    // inject the mock into the ViewHelperManager of the application
    $this->getApplication()->getServiceManager()->get('ViewHelperManager')->setAllowOverride(true);
    $this->getApplication()->getServiceManager()->get('ViewHelperManager')->setService('isAllowed', $mock);
}