关于c#：模拟HttpContext.Current.Application

Mocking HttpContext.Current.Application

我尝试测试使用以下方法的Mock HttpContext.Current.Application第三库：
？

1 2	HttpContext.Current.Application.Add ("key","value"); HttpContext.Current.Application.Get ("key");

我测试了许多模拟框架Moq，RhinoMock，FakeSystemWeb，FakeHttpContext
但是不可能在应用程序字典中添加值，始终是HttpContext.Current.Application.Count == 0

唯一适用于Microsoft.Fakes的解决方案，但遗憾的是，仅适用于Premium和Ultimate版本，而我向其提供测试的开发人员只能使用Professional版本！

使用Microsoft.Fakes(有效)：

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public MockHttpContext()
{
//MOCK System.Web
_shimsContext = ShimsContext.Create();
var httpRequest = new HttpRequest("","http://www.monsite.com","");
var httpContext = new HttpContext(httpRequest, new(HttpResponse(new(StringWriter()));
var applicationState = httpContext.Application;
System.Web.Fakes.ShimHttpContext.CurrentGet = () => httpContext;
System.Web.Fakes.ShimHttpContext.AllInstances.ApplicationGet = context => applicationState;
}

您有想法或如何分发我的测试Microsoft.Fakes或其他模拟框架吗？

谢谢。

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用于模拟HttpContext的出色框架是Typemock隔离器。
您可以像以下示例中那样进行操作：

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[TestMethod, Isolated]
public void TestMethod1()
{
var httpRequest = new HttpRequest("","http://www.monsite.com","");
var httpContext = new HttpContext(httpRequest, new HttpResponse(new StringWriter()));
var httpApp = httpContext.Application;

Isolate.Fake.AllInstances<HttpContext>();

Isolate.WhenCalled(() => HttpContext.Current).WillReturn(httpContext);
Isolate.WhenCalled(() => HttpContext.Current.Application).WillReturn(httpApp);

HttpContext.Current.Application.Add("key1","value1");
HttpContext.Current.Application.Add("key2","value2");
HttpContext.Current.Application.Add("key3","value3");

Assert.AreEqual(3, HttpContext.Current.Application.Count);
Assert.AreEqual("value1", HttpContext.Current.Application.Get("key1"));
}

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可以做到这一点。您可以像下面这样编写模拟HttpContext的代码：

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public MockHttpContext()
{
//MOCK System.Web
_indirectionsContext = new IndirectionsContext();
var httpRequest = new HttpRequest("","http://www.monsite.com","");
var httpContext = new HttpContext(httpRequest, new HttpResponse(new StringWriter()));
var applicationState = httpContext.Application;
System.Web.Prig.PHttpContext.CurrentGet().Body = () => httpContext;
System.Web.Prig.PHttpContext.ApplicationGet().Body = context => applicationState;
}

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您应该始终在应用程序中使用HttpContextBase，HttpRequestBase和HttpResponseBase，与无法测试的具体版本(没有typemock，Microsoft.Fakes或其他魔术)相结合。

只需使用HttpContextWrapper类进行转换，如下所示。

1	var httpContextBase = new HttpContextWrapper(HttpContext.Current);

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