我有一个自定义授权属性,如下所示,我正在尝试编写一个单元测试来测试其功能。
public override void OnAuthorization(System.Web.Http.Controllers.HttpActionContext actionContext)
{
if (actionContext.Request.Headers.Authorization != null)
{
// get the Authorization header value from the request and base64 decode it
string userInfo = Encoding.Default.GetString(Convert.FromBase64String(actionContext.Request.Headers.Authorization.Parameter));
// custom authentication logic
if (string.Equals(userInfo, string.Format("{0}:{1}", "user", "pass")))
{
IsAuthorized(actionContext);
}
else
{
HandleUnauthorizedRequest(actionContext);
}
}
else
{
HandleUnauthorizedRequest(actionContext);
}
}
protected override void HandleUnauthorizedRequest(System.Web.Http.Controllers.HttpActionContext actionContext)
{
actionContext.Response = new HttpResponseMessage(System.Net.HttpStatusCode.Unauthorized)
{
ReasonPhrase = "Unauthorized"
};
}
我的问题是,当我尝试测试时,我得到" System.NullReferenceException:对象引用未设置为对象的实例。"我试图设置actionContext的request.headers.authorization值,但它没有setter。当我尝试模拟HttpActionContext时,它说它无法从模拟HttpActionContext转换为真实的HttpActionContext。以下是我的测试代码
public class HttpBasicAuthorizeAttributeTest
{
private HttpBasicAuthorizeAttribute ClassUnderTest { get; set; }
private HttpActionContext actionContext { get; set; }
[TestMethod]
public void HttpBasicAuthorizeAttribute_OnAuthorize_WithAuthorizedUser_ReturnsAuthorization()
{
var context = new Mock<HttpActionContext>();
context.Setup(x => x.Request.Headers.Authorization.Parameter).Returns("bzUwkDal=");
ClassUnderTest.OnAuthorization(context);
}
[TestInitialize]
public void Initialize()
{
ClassUnderTest = new HttpBasicAuthorizeAttribute();
actionContext = new HttpActionContext();
}
}
*省略断言,直到我甚至可以让HttpActionContext工作
答案 0 :(得分:6)
您可以使用实际对象并将其提供给模拟,以便将测试中的方法作为Moq运行,无法模拟非虚拟成员。
[TestMethod]
public void HttpBasicAuthorizeAttribute_OnAuthorize_WithAuthorizedUser_ReturnsAuthorization() {
//Arrange
var context = new HttpActionContext();
var headerValue = new AuthenticationHeaderValue("Basic", "bzUwkDal=");
var request = new HttpRequestMessage();
request.Headers.Authorization = headerValue;
var controllerContext = new HttpControllerContext();
controllerContext.Request = request;
context.ControllerContext = controllerContext;
//Act
ClassUnderTest.OnAuthorization(context);
//Assert
//...
}