在单元测试中使用的HttpContext [英] Using httpcontext in unit test

问题描述

我使用C＃4.0，我需要单元测试的服务。服务内的函数返回类似于我打电话预期变量的路径，这是我期待找回的路径。但是，当我运行这个测试我收到HttpContext.Current是空的错误。我能做些什么来解决这个问题，所以测试可以跑了？

  [TestMethod的] 
公共无效GetPathTest（ ）
 {
 VAR预期= System.IO.Path.GetFullPath（HttpContext.Current.Server.MapPath（〜/证书/））; 
 VAR路径= _mockService.Setup（O => o.GetPath（））返回（预期）。 
} 
  

解决方案

目前，我可以'找不到我的HttpContext的，我前面采用全包装，但此刻，我们简单地创建一个上下文的空请求，并从那里，像这样的：

  SimpleWorkerRequest的要求=新的SimpleWorkerRequest（，，，空，新的StringWriter（））; 
 HttpContext的背景下=新的HttpContext（请求）; 
  

然后在单元测试初始化​​或在单元测试本身（在创建之前的预期），你可以设置当前的HttpContext如下：

  HttpContext.Current =背景; 
  

然后根据要求简单地充实假的状况和可能的假的sessionState等。

（编辑：这是所有在VS2008中，框架3.5的方式）

。

I'm using C#4.0 and i need to unit test a service. The function inside the service returns a path similar to the variable i called expected, this is the path i'm expecting to get back. But when i run this test i'm getting the error that HttpContext.Current is NULL. What can i do to fix this issue so the test can be ran?

[TestMethod]
public void GetPathTest()
{
   var expected = System.IO.Path.GetFullPath(HttpContext.Current.Server.MapPath("~/Certificates/"));
   var path = _mockService.Setup(o => o.GetPath()).Returns(expected);
}

解决方案

At the moment I can't find my full wrapper for HttpContext that I used earlier, but at the moment we simply create a context for an empty request and go from there, like this:

SimpleWorkerRequest request = new SimpleWorkerRequest("","","", null, new StringWriter());
HttpContext context = new HttpContext(request);

Then in the unit test initialize or in the unit test itself (before you create expected) you can set the current HttpContext as follows:

HttpContext.Current = context;

Then simply flesh out the fake context and possible fake sessionstate, etc as required.

(Edit: This is all in VS2008, framework 3.5 by the way).

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