因此，控制器上下文取决于一些asp.net内部。有什么方法可以完全模拟这些以进行单元测试？当我只需要，例如Request.HttpMethod返回“ GET”时，似乎很容易用大量设置阻塞测试。
我已经在网上看到了一些例子/帮助者，但其中有些是过时的。认为这将是保持最新和最佳状态的好地方。
我正在使用最新版本的犀牛模拟
Answers:
使用最小起订量看起来像这样：
var request = new Mock<HttpRequestBase>();
request.Expect(r => r.HttpMethod).Returns("GET");
var mockHttpContext = new Mock<HttpContextBase>();
mockHttpContext.Expect(c => c.Request).Returns(request.Object);
var controllerContext = new ControllerContext(mockHttpContext.Object
, new RouteData(), new Mock<ControllerBase>().Object);
我认为Rhino Mocks的语法相似。
这是一个使用MsTest和Moq的示例单元测试类，该类模拟HttpRequest和HttpResponse对象。（.NET 4.0，ASP.NET MVC 3.0）
控制器动作从请求中获取值，并在响应对象中设置http标头。其他http上下文对象可以用类似的方式模拟
[TestClass]
public class MyControllerTest
{
protected Mock<HttpContextBase> HttpContextBaseMock;
protected Mock<HttpRequestBase> HttpRequestMock;
protected Mock<HttpResponseBase> HttpResponseMock;
[TestInitialize]
public void TestInitialize()
{
HttpContextBaseMock = new Mock<HttpContextBase>();
HttpRequestMock = new Mock<HttpRequestBase>();
HttpResponseMock = new Mock<HttpResponseBase>();
HttpContextBaseMock.SetupGet(x => x.Request).Returns(HttpRequestMock.Object);
HttpContextBaseMock.SetupGet(x => x.Response).Returns(HttpResponseMock.Object);
}
protected MyController SetupController()
{
var routes = new RouteCollection();
var controller = new MyController();
controller.ControllerContext = new ControllerContext(HttpContextBaseMock.Object, new RouteData(), controller);
controller.Url = new UrlHelper(new RequestContext(HttpContextBaseMock.Object, new RouteData()), routes);
return controller;
}
[TestMethod]
public void IndexTest()
{
HttpRequestMock.Setup(x => x["x"]).Returns("1");
HttpResponseMock.Setup(x => x.AddHeader("name", "value"));
var controller = SetupController();
var result = controller.Index();
Assert.AreEqual("1", result.Content);
HttpRequestMock.VerifyAll();
HttpResponseMock.VerifyAll();
}
}
public class MyController : Controller
{
public ContentResult Index()
{
var x = Request["x"];
Response.AddHeader("name", "value");
return Content(x);
}
}
这是Jason链接的摘录。与Phil的方法相同，但使用犀牛。
注意：在嘲笑了mockRequest的内部之前，将嘲笑mockHttpContext.Request返回mockRequest 。我相信此命令是必需的。
// create a fake web context
var mockHttpContext = MockRepository.GenerateMock<HttpContextBase>();
var mockRequest = MockRepository.GenerateMock<HttpRequestBase>();
mockHttpContext.Stub(x => x.Request).Return(mockRequest);
// tell the mock to return "GET" when HttpMethod is called
mockRequest.Stub(x => x.HttpMethod).Return("GET");
var controller = new AccountController();
// assign the fake context
var context = new ControllerContext(mockHttpContext,
new RouteData(),
controller);
controller.ControllerContext = context;
// act
...
在MVC2中，此过程似乎已稍有更改（我正在使用RC1）。如果操作需要特定的方法（[HttpPost]，[HttpGet]），Phil Haack的解决方案对我不起作用。在Reflector中徘徊，看起来验证这些属性的方法已更改。MVC现在的检查request.Headers，request.Form以及request.QueryString的X-HTTP-Method-Override值。
如果您为这些属性添加模拟，它将起作用：
var request = new Mock<HttpRequestBase>();
request.Setup(r => r.HttpMethod).Returns("POST");
request.Setup(r => r.Headers).Returns(new NameValueCollection());
request.Setup(r => r.Form).Returns(new NameValueCollection());
request.Setup(r => r.QueryString).Returns(new NameValueCollection());
var mockHttpContext = new Mock<HttpContextBase>();
mockHttpContext.Expect(c => c.Request).Returns(request.Object);
var controllerContext = new ControllerContext(mockHttpContext.Object, new RouteData(), new Mock<ControllerBase>().Object);
我已经完成了这个规格
public abstract class Specification <C> where C: Controller
{
protected C controller;
HttpContextBase mockHttpContext;
HttpRequestBase mockRequest;
protected Exception ExceptionThrown { get; private set; }
[SetUp]
public void Setup()
{
mockHttpContext = MockRepository.GenerateMock<HttpContextBase>();
mockRequest = MockRepository.GenerateMock<HttpRequestBase>();
mockHttpContext.Stub(x => x.Request).Return(mockRequest);
mockRequest.Stub(x => x.HttpMethod).Return("GET");
EstablishContext();
SetHttpContext();
try
{
When();
}
catch (Exception exc)
{
ExceptionThrown = exc;
}
}
protected void SetHttpContext()
{
var context = new ControllerContext(mockHttpContext, new RouteData(), controller);
controller.ControllerContext = context;
}
protected T Mock<T>() where T: class
{
return MockRepository.GenerateMock<T>();
}
protected abstract void EstablishContext();
protected abstract void When();
[TearDown]
public virtual void TearDown()
{
}
}
果汁在这里
[TestFixture]
public class When_invoking_ManageUsersControllers_Update :Specification <ManageUsersController>
{
private IUserRepository userRepository;
FormCollection form;
ActionResult result;
User retUser;
protected override void EstablishContext()
{
userRepository = Mock<IUserRepository>();
controller = new ManageUsersController(userRepository);
retUser = new User();
userRepository.Expect(x => x.GetById(5)).Return(retUser);
userRepository.Expect(x => x.Update(retUser));
form = new FormCollection();
form["IdUser"] = 5.ToString();
form["Name"] = 5.ToString();
form["Surename"] = 5.ToString();
form["Login"] = 5.ToString();
form["Password"] = 5.ToString();
}
protected override void When()
{
result = controller.Edit(5, form);
}
[Test]
public void is_retrieved_before_update_original_user()
{
userRepository.AssertWasCalled(x => x.GetById(5));
userRepository.AssertWasCalled(x => x.Update(retUser));
}
}
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