如何在 ASP.NET MVC 中测试操作过滤器?

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问题描述

需要一些指示.找到 this 和 this，但我还是有点困惑.

Need some pointers for this. Found this and this, but I'm still kind a confused.

我只想模拟 ActionExecutedContext，传递它，让过滤器稍微工作并检查结果.

I just want to mock ActionExecutedContext, pass it, let filter to work a bit and check result.

有什么帮助吗?

您可以找到过滤器的来源这里
(它有所改变，但目前这不是重点).

Source of filter you can find here
(it's changed a bit, but that's not a point at the moment).

所以 - 我想要单元测试，RememberUrl 过滤器足够智能，可以在会话中保存当前 URL.

So - i want unit test, that RememberUrl filter is smart enough to save current URL in session.

推荐答案

1) Mocking Request.Url in ActionExecutedContext:

var request = new Mock<HttpRequestBase>();
request.SetupGet(r => r.HttpMethod).Returns("GET");
request.SetupGet(r => r.Url).Returns(new Uri("http://somesite/action"));

var httpContext = new Mock<HttpContextBase>();
httpContext.SetupGet(c => c.Request).Returns(request.Object);

var actionExecutedContext = new Mock<ActionExecutedContext>();
actionExecutedContext.SetupGet(c => c.HttpContext).Returns(httpContext.Object);

2) 假设您在 RememberUrlAttribute 的公共构造函数中注入会话包装器.

2) Suppose you are injecting session wrapper in your RememberUrlAttribute's public constructor.

var rememberUrl = new RememberUrlAttribute(yourSessionWrapper);

rememberUrl.OnActionExecuted(actionExecutedContext.Object);

// Then check what is in your SessionWrapper

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