你如何使用Moq模拟会话对象集合
我使用shanselmann's MvcMockHelper类来模拟一些使用Moq的HttpContext的东西,但我遇到的问题是能够将我的模拟会话对象分配给我的MVC控制器,然后能够在单元测试中读取相同的值以进行验证。你如何使用Moq模拟会话对象集合
我的问题是,如何将存储集合分配给模拟会话对象,以允许诸如session [“UserName”] =“foo”之类的代码保留“foo”值并使其在单元测试中可用。
我从Scott Hanselman的MVCMockHelper开始,添加了一个小类,并进行了如下所示的修改,以允许控制器正常使用会话,单元测试验证由控制器设置的值。
/// <summary>
/// A Class to allow simulation of SessionObject
/// </summary>
public class MockHttpSession : HttpSessionStateBase
{
Dictionary<string, object> m_SessionStorage = new Dictionary<string, object>();
public override object this[string name]
{
get { return m_SessionStorage[name]; }
set { m_SessionStorage[name] = value; }
}
}
//In the MVCMockHelpers I modified the FakeHttpContext() method as shown below
public static HttpContextBase FakeHttpContext()
{
var context = new Mock<HttpContextBase>();
var request = new Mock<HttpRequestBase>();
var response = new Mock<HttpResponseBase>();
var session = new MockHttpSession();
var server = new Mock<HttpServerUtilityBase>();
context.Setup(ctx => ctx.Request).Returns(request.Object);
context.Setup(ctx => ctx.Response).Returns(response.Object);
context.Setup(ctx => ctx.Session).Returns(session);
context.Setup(ctx => ctx.Server).Returns(server.Object);
return context.Object;
}
//Now in the unit test i can do
AccountController acct = new AccountController();
acct.SetFakeControllerContext();
acct.SetBusinessObject(mockBO.Object);
RedirectResult results = (RedirectResult)acct.LogOn(userName, password, rememberMe, returnUrl);
Assert.AreEqual(returnUrl, results.Url);
Assert.AreEqual(userName, acct.Session["txtUserName"]);
Assert.IsNotNull(acct.Session["SessionGUID"]);
这不是完美的,但它足以用于测试。
我认为你可以设置一个具体值的模拟期望它应该返回任何。嘲笑不是作为实际的假货,而是你可以断言的行为。
这听起来像你实际上正在寻找一个适配器,你可以环绕会话,你可以在测试期间和运行时提供不同的实现它会返回HttpContext会话项?
这是否有意义?
我刚刚发现了一个很好的例子,说明Oxite团队如何伪造他们的HttpSessionState并在该假冒中维护一个SessionStateItemCollection集合。这应该和我的情况一样。
编辑:
URL这个例子是http://oxite.codeplex.com/sourcecontrol/changeset/view/33871?projectName=oxite#388065
使用起订量3.0.308.2这里是我的账户控制器设置在我的单元测试的例子:
private AccountController GetAccountController()
{
.. setup mocked services..
var accountController = new AccountController (..mocked services..);
var controllerContext = new Mock<ControllerContext>();
controllerContext.SetupGet(p => p.HttpContext.Session["test"]).Returns("Hello World");
controllerContext.SetupGet(p => p.HttpContext.User.Identity.Name).Returns(_testEmail);
controllerContext.SetupGet(p => p.HttpContext.Request.IsAuthenticated).Returns(true);
controllerContext.SetupGet(p => p.HttpContext.Response.Cookies).Returns(new HttpCookieCollection());
controllerContext.Setup (p => p.HttpContext.Request.Form.Get ("ReturnUrl")).Returns ("sample-return-url");
controllerContext.Setup (p => p.HttpContext.Request.Params.Get ("q")).Returns ("sample-search-term");
accountController.ControllerContext = controllerContext.Object;
return accountController;
}
那么你的控制器内方法如下应返回“Hello World”
string test = Session["test"].ToString();
很好的答案!这正是我所需要的单元测试数据 – Rob 2010-08-23 09:31:04
我做了一个稍微复杂莫克比@RonnBlack
public class HttpSessionStateDictionary : HttpSessionStateBase
{
private readonly NameValueCollection keyCollection = new NameValueCollection();
private readonly Dictionary<string, object> _values = new Dictionary<string, object>();
public override object this[string name]
{
get { return _values.ContainsKey(name) ? _values[name] : null; }
set { _values[name] = value; keyCollection[name] = null;}
}
public override int CodePage
{
get { throw new NotImplementedException(); }
set { throw new NotImplementedException(); }
}
public override HttpSessionStateBase Contents
{
get { throw new NotImplementedException(); }
}
public override HttpCookieMode CookieMode
{
get { throw new NotImplementedException(); }
}
public override int Count
{
get { return _values.Count; }
}
public override NameObjectCollectionBase.KeysCollection Keys
{
get { return keyCollection.Keys; }
}
public Dictionary<string, object> UnderlyingStore
{
get { return _values; }
}
public override void Abandon()
{
_values.Clear();
}
public override void Add(string name, object value)
{
_values.Add(name, value);
}
public override void Clear()
{
_values.Clear();
}
public override void CopyTo(Array array, int index)
{
throw new NotImplementedException();
}
public override bool Equals(object obj)
{
return _values.Equals(obj);
}
public override IEnumerator GetEnumerator()
{
return _values.GetEnumerator();
}
public override int GetHashCode()
{
return (_values != null ? _values.GetHashCode() : 0);
}
public override void Remove(string name)
{
_values.Remove(name);
}
public override void RemoveAll()
{
_values.Clear();
}
public override void RemoveAt(int index)
{
throw new NotImplementedException();
}
public override string ToString()
{
return _values.ToString();
}
public bool Equals(HttpSessionStateDictionary other)
{
if (ReferenceEquals(null, other)) return false;
if (ReferenceEquals(this, other)) return true;
return Equals(other._values, _values);
}
}
发布
谢谢你,@RonnBlack您的解决方案的答案!就我而言,我一直得到这个例外,因为Session.SessionID为空:
System.NotImplementedException was unhandled by user code
HResult=-2147467263
Message=The method or operation is not implemented.
Source=System.Web
StackTrace:
at System.Web.HttpSessionStateBase.get_SessionID()
为了解决这个问题,我实现@ RonnBlack的代码中使用的起订量Mock<HttpSessionStateBase>
这种方式,代替他的MockHttpSession:
private readonly MyController controller = new MyController();
[TestFixtureSetUp]
public void Init()
{
var session = new Mock<HttpSessionStateBase>();
session.Setup(s => s.SessionID).Returns(Guid.NewGuid().ToString());
var request = new Mock<HttpRequestBase>();
var response = new Mock<HttpResponseBase>();
var server = new Mock<HttpServerUtilityBase>();
// Not working - IsAjaxRequest() is static extension method and cannot be mocked
// request.Setup(x => x.IsAjaxRequest()).Returns(true /* or false */);
// use this
request.SetupGet(x => x.Headers).Returns(
new System.Net.WebHeaderCollection
{
{"X-Requested-With", "XMLHttpRequest"}
});
var context = new Mock<HttpContextBase>();
//context
context.Setup(ctx => ctx.Request).Returns(request.Object);
context.Setup(ctx => ctx.Response).Returns(response.Object);
context.Setup(ctx => ctx.Session).Returns(session.Object);
context.Setup(ctx => ctx.Server).Returns(server.Object);
context.SetupGet(x => x.Request).Returns(request.Object);
context.SetupGet(p => p.Request.Url).Returns(new Uri("http://www.mytesturl.com"));
var queryString = new NameValueCollection { { "code", "codeValue" } };
context.SetupGet(r => r.Request.QueryString).Returns(queryString);
controller.ControllerContext = new ControllerContext(context.Object, new RouteData(), controller);
}
有关详细信息,请参阅http://weblogs.asp.net/gunnarpeipman/using-moq-to-mock-asp-net-mvc-httpcontextbase
,以便其他人通过搜索查找此问题,可否请您发布一条指向您发现的信息的链接以回答问题。 – 2009-03-02 23:08:35
+1链接获取更多信息。 – 2009-05-05 02:50:23
我想他是在谈论这个课程: http://oxite.codeplex。com/sourcecontrol/changeset/view/33871?projectName = oxite#388065 – andrecarlucci 2009-07-01 14:30:28