Assert.AreEqual失败。预计：<(null)>。 Actual：<System.Web.Mvc.ViewResult>

Question

我正在开发asp.net mvc3上的单元测试。当我运行一个defaultly创建测试的测试方法：

[TestMethod()] 
     public void IndexTest() 
     { 
      ConferenceController target = new ConferenceController(); // TODO: Initialize to an appropriate value 
      ActionResult expected = Index; // TODO: Initialize to an appropriate value 
      ActionResult actual; 
      actual = target.Index(); 
      Assert.AreEqual(expected, actual); 
      Assert.Inconclusive("Verify the correctness of this test method."); 
     } 

此错误发生[TestMethod()]：

Assert.AreEqual失败。预计：<（null）>。实际：。

如何传递断言？

Answer 1

ActionResult expected = Index; // TODO: Initialize to an appropriate value 

由于注释表示您应该将Index变量初始化为适当的值。例如：

[TestMethod] 
public void Index() 
{ 
    // Arrange 
    HomeController controller = new HomeController(); 

    // Act 
    ViewResult result = controller.Index() as ViewResult; 

    // Assert 
    Assert.AreEqual("Welcome to ASP.NET MVC!", result.ViewBag.Message); 
}