如何对应用了 [Authorize] 属性的控制器方法进行单元测试? [英] How do I unit test a controller method that has the [Authorize] attribute applied?

问题描述

我搜索了 stackoverflow 并用了几个小时的谷歌搜索了四个，但仍然没有找到任何解决我的琐碎"问题的方法.

I've searched stackoverflow and googled four a couple of hours and still not found any solution for my "trivial" problem.

如果您为过滤后的 [Authorize] ActionResult 编写单元测试，您如何解决假冒该用户已通过身份验证的问题?

If you write unit test for your filtered [Authorize] ActionResult, how do you solve the problem to fake that user is authenticated?

我有很多用 [Authorize] 过滤的 ActionResult 方法，我想测试我所有的 ActionResult 方法，不管是否它们是否使用 [Authorize] 进行过滤.

I have a lot of ActionResult methods that are filtered with [Authorize] and I want to test all of my ActionResult methods regardless if they are filtered with [Authorize] or not.

我的意思的一个简单例子:

A simple example of what i mean:

[TestMethod]
public void Create_Get_ReturnsView()
{
 // Arrange
 var controller = new UserController();
 // Act
 var result = controller.Create();
 // Assert
 Assert.IsNotNull(result as ViewResult);
}

[Authorize]
public ActionResult Create()
{
 return View("Create");
}

截至目前，由于 [Authorize] 过滤器，测试甚至没有命中 ActionResult 方法，抛出的异常是:System.NullReferenceException:未将对象引用设置为对象的实例.

As of now the tests don't even hit the ActionResult method because of the [Authorize] filter, exception thrown is: System.NullReferenceException: Object reference not set to an instance of an object.

推荐答案

您需要模拟控制器的上下文.尝试使用 Moq

You need to mock a context for your controller. Try using Moq

您的安排将如下所示:

var controller = new UserController();
var mock = new Mock<ControllerContext>();
mock.SetupGet(x => x.HttpContext.User.Identity.Name).Returns("SOMEUSER");
mock.SetupGet(x => x.HttpContext.Request.IsAuthenticated).Returns(true);
controller.ControllerContext = mock.Object;

然后你应该能够做你的行动 &断言.

You should be able to then do your Act & Assert.

如果您还没有，我强烈建议您浏览 NerdDinner 作为MVC 站点示例.

If you haven't already, I would highly recommend looking through NerdDinner as an example MVC site.

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