Mvc Moq HttpContext

public class MockMvcHttpContext
{
    public Moq.Mock<System.Web.HttpContextBase> Context { get; set; }

    public Moq.Mock<System.Web.HttpRequestBase> Request { get; set; }

    public Moq.Mock<System.Web.HttpResponseBase> Response { get; set; }

    public System.Web.HttpCookieCollection Cookie { get; set; }

    public System.Web.Mvc.Controller Controller { get; set; }

    private System.Collections.Specialized.NameValueCollection _form;
    public System.Collections.Specialized.NameValueCollection Form {
        get
        {
            return _form;
        }
        set
        {
            _form = value;
            this.Controller.ValueProvider = new System.Web.Mvc.FormCollection(value).ToValueProvider();
        }
    }
    public System.Collections.Specialized.NameValueCollection Query { get; set; }
}

public static class MvcTestExtensions
{
    public static MockMvcHttpContext SetupFullContext(this System.Web.Mvc.Controller controller)
    {
        return controller.SetupContext().SetupRequest().SetupResponse().SetupCookie().SetupForm().SetupQuerystring();
    }

    public static MockMvcHttpContext SetupContext(this System.Web.Mvc.Controller controller)
    {

        var context = new Moq.Mock<System.Web.HttpContextBase>();
        controller.ControllerContext = new System.Web.Mvc.ControllerContext(context.Object, new System.Web.Routing.RouteData(), controller);
        var obj = new MockMvcHttpContext()
        {
            Controller = controller,
            Context=context
        };
        return obj;
    }

    public static MockMvcHttpContext SetupRequest(this MockMvcHttpContext context)
    {
        if (context.Context == null)
        {
            throw new System.ArgumentNullException("context.Context");
        }
        var request = new Moq.Mock<System.Web.HttpRequestBase>();
        context.Context.SetupGet(x => x.Request).Returns(request.Object);
        context.Request = request;
        return context;
    }

    public static MockMvcHttpContext SetupResponse(this MockMvcHttpContext context)
    {
        if (context.Context == null)
        {
            throw new System.ArgumentNullException("context.Context");
        }
        var response = new Moq.Mock<System.Web.HttpResponseBase>();
        context.Context.SetupGet(x => x.Response).Returns(response.Object);
        context.Response = response;
        return context;
    }

    public static MockMvcHttpContext SetupCookie(this MockMvcHttpContext context)
    {
        if (context.Context == null)
        {
            throw new System.ArgumentNullException("context.Context");
        }
        var cookie = new System.Web.HttpCookieCollection();
        if (context.Response != null)
        {
            context.Response.SetupGet(x => x.Cookies).Returns(cookie);
        }
        if (context.Request != null)
        {
            context.Request.SetupGet(x => x.Cookies).Returns(cookie);
        }
        context.Cookie = cookie;

        return context;
    }

    public static MockMvcHttpContext SetupForm(this MockMvcHttpContext context)
    {
        if (context.Context == null)
        {
            throw new System.ArgumentNullException("context.Context");
        }

        if (context.Request == null)
        {
            throw new System.ArgumentNullException("context.Request");
        }
        var form = new System.Collections.Specialized.NameValueCollection();
        context.Request.SetupGet(x => x.Form).Returns(form);
        context.Form = form;
        return context;
    }

    public static MockMvcHttpContext SetupQuerystring(this MockMvcHttpContext context)
    {
        if (context.Context == null)
        {
            throw new System.ArgumentNullException("context.Context");
        }

        if (context.Request == null)
        {
            throw new System.ArgumentNullException("context.Request");
        }
        var query = new System.Collections.Specialized.NameValueCollection();
        context.Request.SetupGet(x => x.QueryString).Returns(query);
        context.Query = query;
        return context;
    }
}

需要引入Moq库

useage：

controller.SetupFullContext()