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[英]How to mock HttpContext (ControllerContext) in Moq framework, and have session
[英]How to mock the ControllerContext using moq? ERROR while mocking the ControllerContext
我正在使用 MOQ 框架,並且我有以下單元測試,但它失敗並出現以下錯誤消息“對象引用未設置為對象的實例”在下面的代碼行
viewCxt.View.Render(viewCxt, writer);
誰能指出我正確的方向,為什么這沒有通過測試?
[Test]
public void can_call_PopulateBankTransactionWorkQueueViewInTransactionMetaDataAjaxResponseObject()
{
var transactionMetaData = new TransactionMetaDataDTO() { TransactionId = "1", FileId = "1", LockboxNumber = "0402020", DepositDate = "04.26.2011", BatchId = "1" };
var request = new Mock<HttpRequestBase>();
request.Setup(r => r.HttpMethod).Returns("GET");
var mockHttpContext = new Mock<HttpContextBase>();
mockHttpContext.Setup(c => c.Request).Returns(request.Object);
var controllerContext = new ControllerContext(mockHttpContext.Object, new Mock<RouteData>().Object, new Mock<ControllerBase>().Object);
var checkWorkQueueController = new CheckWorkQueueController(
activeDirectorySecurityManager.Object, businessObjectAdapter, httpRequestObjectHelper.Object, invoiceRepos.Object, new HtmlHelpers());
checkWorkQueueController.ControllerContext = controllerContext;
Assert.DoesNotThrow(() => checkWorkQueueController.PopulateBatchTreeSelectorViewInTransactionMetaDataAjaxResponseObject(transactionMetaData));
}
internal void PopulateBatchTreeSelectorViewInTransactionMetaDataAjaxResponseObject(TransactionMetaDataDTO transactionMetaDataDTO)
{
var checkWorkQueueViewModel = new CheckWorkQueueViewModel(securityManager, businessObjectAdapter);
SetActiveFileAndLockbox(transactionMetaDataDTO, checkWorkQueueViewModel, transactionMetaDataDTO.FileId, transactionMetaDataDTO.LockboxNumber);
transactionMetaDataDTO.BatchTreeSelectorView = htmlHelpers.RenderViewToString(ApplicationConstants.CheckWorkQueueViewPath + ApplicationConstants.BatchTreeSelectorViewFileName, this, checkWorkQueueViewModel);
}
public string RenderViewToString<T>(string viewPath, ControllerBase controller, T model)
{
controller.ViewData.Model = model;
using (var writer = new StringWriter())
{
var view = new WebFormView(viewPath);
var vdd = new ViewDataDictionary<T>(model);
var viewCxt = new ViewContext(controller.ControllerContext, view, vdd, new TempDataDictionary(), writer);
viewCxt.View.Render(viewCxt, writer); //ERROR throwing here
return writer.ToString();
}
}
這是堆棧跟蹤:
at System.Web.VirtualPath.GetCacheKey()
at System.Web.Compilation.BuildManager.GetCacheKeyFromVirtualPath(VirtualPath virtualPath, Boolean& keyFromVPP)
at System.Web.Compilation.BuildManager.GetVPathBuildResultFromCacheInternal(VirtualPath virtualPath, Boolean ensureIsUpToDate)
at System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile, Boolean throwIfNotFound, Boolean ensureIsUpToDate)
at System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile, Boolean throwIfNotFound, Boolean ensureIsUpToDate)
at System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath, HttpContext context, Boolean allowCrossApp, Boolean throwIfNotFound)
at System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath, HttpContext context, Boolean allowCrossApp)
at System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp)
at System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(String virtualPath, Type requiredBaseType)
at System.Web.Mvc.BuildManagerWrapper.System.Web.Mvc.IBuildManager.CreateInstanceFromVirtualPath(String virtualPath, Type requiredBaseType)
at System.Web.Mvc.WebFormView.Render(ViewContext viewContext, TextWriter writer)
調試 Mock 上實際需要設置的內容的一個好方法是使用 MockBehavior.Strict 選項創建它。 所以,
var mockHttpContext = new Mock<HttpContextBase>();
變成
var mockHttpContext = new Mock<HttpContextBase>(MockBehavior.Strict);
然后,當您的測試需要您尚未設置的 Context 中的某些內容時,您的測試將失敗並出現 MockException。 您可以稍后恢復為“松散”選項。
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