public void ExecuteResult(ControllerContext context, TextWriter writer)
{
Requires.NotNull("context", context);
Requires.NotNull("writer", writer);
if (String.IsNullOrEmpty(ViewName))
{
ViewName = context.RouteData.GetRequiredString("action");
}
ViewEngineResult result = null;
if (View == null)
{
result = ViewEngineCollection.FindPartialView(context, ViewName);
View = result.View;
}
var viewContext = new ViewContext(context, View, ViewData, TempData, writer);
View.Render(viewContext, writer);
if (result != null)
{
result.ViewEngine.ReleaseView(context, View);
}
}
public void FindPartialViewAggregatesAllSearchedLocationsIfAllEnginesFail()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
ViewEngineCollection viewEngineCollection = new ViewEngineCollection();
Mock <IViewEngine> engine1 = new Mock <IViewEngine>();
ViewEngineResult engine1Result = new ViewEngineResult(new[] { "location1", "location2" });
engine1.Setup(e => e.FindPartialView(context, "partial", It.IsAny <bool>())).Returns(engine1Result);
Mock <IViewEngine> engine2 = new Mock <IViewEngine>();
ViewEngineResult engine2Result = new ViewEngineResult(new[] { "location3", "location4" });
engine2.Setup(e => e.FindPartialView(context, "partial", It.IsAny <bool>())).Returns(engine2Result);
viewEngineCollection.Add(engine1.Object);
viewEngineCollection.Add(engine2.Object);
// Act
ViewEngineResult result = viewEngineCollection.FindPartialView(context, "partial");
// Assert
Assert.Null(result.View);
Assert.Equal(4, result.SearchedLocations.Count());
Assert.True(result.SearchedLocations.Contains("location1"));
Assert.True(result.SearchedLocations.Contains("location2"));
Assert.True(result.SearchedLocations.Contains("location3"));
Assert.True(result.SearchedLocations.Contains("location4"));
}
public void FindPartialViewReturnsValueFromFirstSuccessfulEngine()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
Mock <IViewEngine> engine1 = new Mock <IViewEngine>();
ViewEngineResult engine1Result = new ViewEngineResult(
new Mock <IView>().Object,
engine1.Object
);
engine1
.Setup(e => e.FindPartialView(context, "partial", It.IsAny <bool>()))
.Returns(engine1Result);
Mock <IViewEngine> engine2 = new Mock <IViewEngine>();
ViewEngineResult engine2Result = new ViewEngineResult(
new Mock <IView>().Object,
engine2.Object
);
engine2
.Setup(e => e.FindPartialView(context, "partial", It.IsAny <bool>()))
.Returns(engine2Result);
collection.Add(engine1.Object);
collection.Add(engine2.Object);
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
Assert.Same(engine1Result, result);
}
private static string RenderPartialInternal(this HtmlHelper htmlHelper, string partialViewName, ViewDataDictionary viewData, object model, ViewEngineCollection viewEngineCollection)
{
#if DEBUG
if (String.IsNullOrEmpty(partialViewName))
{
throw new ArgumentException(@"Empty view", "partialViewName");
}
#endif
ViewDataDictionary newViewData = model == null
? (viewData == null ? new ViewDataDictionary(htmlHelper.ViewData) : new ViewDataDictionary(viewData))
: (viewData == null ? new ViewDataDictionary(model) : new ViewDataDictionary(viewData)
{
Model = model
});
using (var writer = new StringWriter(CultureInfo.CurrentCulture))
{
var newViewContext = new ViewContext(htmlHelper.ViewContext, htmlHelper.ViewContext.View, newViewData, htmlHelper.ViewContext.TempData, writer);
var view = viewEngineCollection.FindPartialView(newViewContext, partialViewName).View;
view.Render(newViewContext, writer);
return(SimpleHtmlMinifier(writer.ToString()));
}
}
public void FindPartialViewIteratesThroughCollectionUntilFindsSuccessfulEngine()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
Mock <IViewEngine> engine1 = new Mock <IViewEngine>();
ViewEngineResult engine1Result = new ViewEngineResult(
new[] { "location1", "location2" }
);
engine1
.Setup(e => e.FindPartialView(context, "partial", It.IsAny <bool>()))
.Returns(engine1Result);
Mock <IViewEngine> engine2 = new Mock <IViewEngine>();
ViewEngineResult engine2Result = new ViewEngineResult(
new Mock <IView>().Object,
engine2.Object
);
engine2
.Setup(e => e.FindPartialView(context, "partial", It.IsAny <bool>()))
.Returns(engine2Result);
collection.Add(engine1.Object);
collection.Add(engine2.Object);
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
Assert.Same(engine2Result, result);
}
public void FindPartialViewIgnoresSearchLocationsFromCache()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
Mock <IViewEngine> engine = new Mock <IViewEngine>();
engine
.Setup(e => e.FindPartialView(context, "partial", true))
.Returns(new ViewEngineResult(new[] { "cachePath" }));
engine
.Setup(e => e.FindPartialView(context, "partial", false))
.Returns(new ViewEngineResult(new[] { "locatorPath" }));
ViewEngineCollection collection = new ViewEngineCollection()
{
engine.Object,
};
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
string searchedLocation = Assert.Single(result.SearchedLocations);
Assert.Equal("locatorPath", searchedLocation);
engine.Verify(e => e.FindPartialView(context, "partial", true), Times.Once());
engine.Verify(e => e.FindPartialView(context, "partial", false), Times.Once());
}
public void FindPartialViewLooksAtLocatorIfCacheEmpty()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
Mock <IViewEngine> engine = new Mock <IViewEngine>();
ViewEngineResult engineResult = new ViewEngineResult(
new Mock <IView>().Object,
engine.Object
);
engine
.Setup(e => e.FindPartialView(context, "partial", true))
.Returns(new ViewEngineResult(new[] { "path" }));
engine.Setup(e => e.FindPartialView(context, "partial", false)).Returns(engineResult);
ViewEngineCollection collection = new ViewEngineCollection()
{
engine.Object,
};
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
Assert.Same(engineResult, result);
engine.Verify(e => e.FindPartialView(context, "partial", true), Times.Once());
engine.Verify(e => e.FindPartialView(context, "partial", false), Times.Once());
}
public void FindPartialViewDelegatesToResolver()
{
// Arrange
Mock <IView> view = new Mock <IView>();
ControllerContext context = new ControllerContext();
Mock <IViewEngine> locatedEngine = new Mock <IViewEngine>();
ViewEngineResult engineResult = new ViewEngineResult(view.Object, locatedEngine.Object);
locatedEngine.Setup(e => e.FindPartialView(context, "ViewName", true))
.Returns(engineResult);
Mock <IViewEngine> secondEngine = new Mock <IViewEngine>();
var resolver = new Mock <IDependencyResolver>();
resolver.Setup(r => r.GetServices(typeof(IViewEngine))).Returns(new IViewEngine[] { locatedEngine.Object, secondEngine.Object });
ViewEngineCollection engines = new ViewEngineCollection(new IViewEngine[0], resolver.Object);
// Act
ViewEngineResult result = engines.FindPartialView(context, "ViewName");
// Assert
Assert.Same(engineResult, result);
secondEngine.Verify(e => e.FindPartialView(context, "ViewName", It.IsAny <bool>()), Times.Never());
}
public void FindPartialViewRemovesDuplicateSearchedLocationsFromMultipleEngines()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
Mock <IViewEngine> engine1 = new Mock <IViewEngine>();
ViewEngineResult engine1Result = new ViewEngineResult(new[] { "repeatLocation", "location1" });
engine1.Setup(e => e.FindPartialView(context, "partial", It.IsAny <bool>())).Returns(engine1Result);
Mock <IViewEngine> engine2 = new Mock <IViewEngine>();
ViewEngineResult engine2Result = new ViewEngineResult(new[] { "location2", "repeatLocation" });
engine2.Setup(e => e.FindPartialView(context, "partial", It.IsAny <bool>())).Returns(engine2Result);
ViewEngineCollection viewEngineCollection = new ViewEngineCollection()
{
engine1.Object,
engine2.Object,
};
// Act
ViewEngineResult result = viewEngineCollection.FindPartialView(context, "partial");
// Assert
var expectedLocations = new[] { "repeatLocation", "location1", "location2" };
Assert.Null(result.View);
Assert.Equal(expectedLocations, result.SearchedLocations.ToArray());
}
public void FindPartialViewThrowsIfControllerContextIsNull()
{
// Arrange
ViewEngineCollection collection = new ViewEngineCollection();
// Act & Assert
ExceptionHelper.ExpectArgumentNullException(
() => collection.FindPartialView(null, "partial"),
"controllerContext");
}
private IView FindPartialView(ViewContext viewContext, string partialViewName, ViewEngineCollection viewEngineCollection)
{
ViewEngineResult result = viewEngineCollection.FindPartialView(viewContext, partialViewName);
if (result.View != null)
{
return(result.View);
}
throw new Exception("Find Template Error!");
}
public void FindPartialViewThrowsIfPartialViewNameIsEmpty()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
// Act & Assert
ExceptionHelper.ExpectArgumentExceptionNullOrEmpty(
() => collection.FindPartialView(context, ""),
"partialViewName");
}
public void FindPartialViewThrowsIfPartialViewNameIsNull()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
// Act & Assert
Assert.ThrowsArgumentNullOrEmpty(
() => collection.FindPartialView(context, null),
"partialViewName");
}
public void FindPartialViewReturnsNoViewAndEmptySearchedLocationsIfCollectionEmpty()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
Assert.IsNull(result.View);
Assert.AreEqual(0, result.SearchedLocations.Count());
}
public string SerializeView(ControllerContext context, ViewDataDictionary viewData, TempDataDictionary tempData, string viewName, object model)
{
viewData.Model = model;
using (var sw = new StringWriter())
{
// keep getting null reference errors on this line when I write my tests .
var viewResult = _viewEngines.FindPartialView(context, viewName);
var viewContext = new ViewContext(context, viewResult.View, viewData, tempData, sw);
// render the view into the stringwriter class
viewResult.View.Render(viewContext, sw);
// output the rendered string
return(sw.GetStringBuilder().ToString());
}
}
public static bool ViewExists(this ViewEngineCollection viewEngines,
ControllerContext controllerContext,
string viewName, bool isPartial = false)
{
var result = !isPartial
? viewEngines.FindView(controllerContext, viewName, null)
: viewEngines.FindPartialView(controllerContext, viewName);
if (result.View != null)
{
return(true);
}
LogHelper.Warn <Bootstrap>("No view file found with the name " + viewName);
return(false);
}
public static bool ViewExists(
this ViewEngineCollection viewEngines,
ControllerContext controllerContext,
string viewName, bool isPartial = false)
{
var result = !isPartial
? viewEngines.FindView(controllerContext, viewName, null)
: viewEngines.FindPartialView(controllerContext, viewName);
if (result.View != null)
{
return(true);
}
return(false);
}
// copied from HtmlHelper.FindPartialView because it's original is internal
internal static IView FindPartialView(ViewContext viewContext, string partialViewName, ViewEngineCollection viewEngineCollection)
{
ViewEngineResult result = viewEngineCollection.FindPartialView(viewContext, partialViewName);
if (result.View != null)
{
return result.View;
}
StringBuilder builder = new StringBuilder();
foreach (string str in result.SearchedLocations)
{
builder.AppendLine();
builder.Append(str);
}
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture,
"The partial view '{0}' was not found or no view engine supports the searched locations. The following locations were searched:{1}",
new object[] { partialViewName, builder }));
}
public void FindPartialViewSuccessWithOneEngine()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
Mock <IViewEngine> engine = new Mock <IViewEngine>();
ViewEngineResult engineResult = new ViewEngineResult(new Mock <IView>().Object, engine.Object);
engine.Expect(e => e.FindPartialView(context, "partial", It.IsAny <bool>())).Returns(engineResult);
collection.Add(engine.Object);
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
Assert.AreSame(engineResult, result);
}
public static bool ViewExists(
this ViewEngineCollection viewEngines,
ControllerContext controllerContext,
string viewName, bool isPartial = false)
{
var result = !isPartial
? viewEngines.FindView(controllerContext, viewName, null)
: viewEngines.FindPartialView(controllerContext, viewName);
if (result.View != null)
{
return(true);
}
LogHelper.Info <ViewEngineCollection>("[DocTypeGridEditor] No view file found with the name '{0}'", () => viewName);
return(false);
}
private IView FindPartialView2(ViewContext viewContext, string partialViewName, ViewEngineCollection engines)
{
ViewEngineResult partialView = engines.FindPartialView((ControllerContext)viewContext, partialViewName);
if (partialView.View != null)
{
return(partialView.View);
}
StringBuilder stringBuilder = new StringBuilder();
foreach (string str in partialView.SearchedLocations)
{
stringBuilder.AppendLine();
stringBuilder.Append(str);
}
throw new InvalidOperationException(string.Format((IFormatProvider)CultureInfo.CurrentCulture,
"Partial view {0} not found in {1}", partialViewName, stringBuilder));
}
public static IView TryLocatePartial(this ViewEngineCollection engines, ViewContext context, string viewName)
{
var viewResult = engines.FindPartialView(context, viewName);
if (viewResult.View == null)
{
var locationsText = new StringBuilder();
foreach (var location in viewResult.SearchedLocations)
{
locationsText.AppendLine();
locationsText.Append(location);
}
throw new InvalidOperationException(string.Format(CouldNotFindView, viewName, locationsText));
}
return(viewResult.View);
}
// Enable the call to ViewEngineCollection FindPartialView method with useCache=false
public static ViewEngineResult FindPartialView(this ViewEngineCollection viewEngineCollection, ControllerContext controllerContext, string partialViewName, bool useCache)
{
try
{
var cacheKey = CreateCacheKey(controllerContext, "Partial", partialViewName, string.Empty, (controllerContext.Controller as IDnnController)?.ModuleContext.PortalId ?? 0);
var parameters = new object[]
{
new Func <IViewEngine, ViewEngineResult>(e => e.FindPartialView(controllerContext, partialViewName, false)),
false,
};
var cacheArg = new CacheItemArgs(cacheKey, 120, CacheItemPriority.Default, "Find", viewEngineCollection, parameters);
return(useCache ? CBO.GetCachedObject <ViewEngineResult>(cacheArg, CallFind) : CallFind(cacheArg));
}
catch (Exception)
{
return(viewEngineCollection.FindPartialView(controllerContext, partialViewName));
}
}
// copied from HtmlHelper.FindPartialView because it's original is internal
internal static IView FindPartialView(ViewContext viewContext, string partialViewName, ViewEngineCollection viewEngineCollection)
{
ViewEngineResult result = viewEngineCollection.FindPartialView(viewContext, partialViewName);
if (result.View != null)
{
return(result.View);
}
StringBuilder builder = new StringBuilder();
foreach (string str in result.SearchedLocations)
{
builder.AppendLine();
builder.Append(str);
}
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture,
"The partial view '{0}' was not found or no view engine supports the searched locations. The following locations were searched:{1}",
new object[] { partialViewName, builder }));
}
public void FindPartialViewFailureWithOneEngine()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
Mock <IViewEngine> engine = new Mock <IViewEngine>();
ViewEngineResult engineResult = new ViewEngineResult(new[] { "location1", "location2" });
engine.Expect(e => e.FindPartialView(context, "partial", It.IsAny <bool>())).Returns(engineResult);
collection.Add(engine.Object);
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
Assert.IsNull(result.View);
Assert.AreEqual(2, result.SearchedLocations.Count());
Assert.IsTrue(result.SearchedLocations.Contains("location1"));
Assert.IsTrue(result.SearchedLocations.Contains("location2"));
}
protected override ViewEngineResult FindView(ControllerContext context)
{
ViewEngineResult result = ViewEngineCollection.FindPartialView(context, ViewName);
if (result.View != null)
{
return(result);
}
// we need to generate an exception containing all the locations we searched
StringBuilder locationsText = new StringBuilder();
foreach (string location in result.SearchedLocations)
{
locationsText.AppendLine();
locationsText.Append(location);
}
throw new InvalidOperationException(String.Format(CultureInfo.CurrentUICulture,
"The partial view '{0}' could not be found. The following locations were searched:{1}", ViewName, locationsText));
}
private void RenderPartialInternal(string partialViewName, ViewDataDictionary viewData, object model, TextWriter writer, ViewEngineCollection viewEngineCollection)
{
if (String.IsNullOrEmpty(partialViewName))
{
throw new ArgumentException("partialView Is Empty!", "partialViewName");
}
partialViewName = string.Format("~/Views/Templates/{0}.cshtml", partialViewName);
ViewDataDictionary newViewData = null;
if (model == null)
{
if (viewData == null)
{
newViewData = new ViewDataDictionary(ViewData);
}
else
{
newViewData = new ViewDataDictionary(viewData);
}
}
else
{
if (viewData == null)
{
newViewData = new ViewDataDictionary(model);
}
else
{
newViewData = new ViewDataDictionary(viewData)
{
Model = model
};
}
}
IView view = viewEngineCollection.FindPartialView(this.ControllerContext, partialViewName).View;
ViewContext newViewContext = new ViewContext(this.ControllerContext, view, newViewData, this.TempData, writer);
IView newView = FindPartialView(newViewContext, partialViewName, viewEngineCollection);
newView.Render(newViewContext, writer);
}
/// <summary>
/// Identical copy from MVC4 source code: HtmlHelper.FindPartialView.
/// </summary>
/// <param name="helper"></param>
/// <param name="viewContext"></param>
/// <param name="partialViewName"></param>
/// <param name="viewEngineCollection"></param>
/// <returns></returns>
private static IView FindPartialView(HtmlHelper helper, ViewContext viewContext, string partialViewName, ViewEngineCollection viewEngineCollection)
{
ViewEngineResult result = viewEngineCollection.FindPartialView(viewContext, partialViewName);
if (result.View != null)
{
return(result.View);
}
StringBuilder locationsText = new StringBuilder();
foreach (string location in result.SearchedLocations)
{
locationsText.AppendLine();
locationsText.Append(location);
}
throw new InvalidOperationException(String.Format(
CultureInfo.CurrentCulture,
(string)g_mvcResources.GetProperty("Common_PartialViewNotFound", BindingFlags.Static | BindingFlags.NonPublic).GetValue(null, null),
partialViewName,
locationsText));
}
public void FindPartialViewDelegatesToResolver()
{
// Arrange
Mock <IView> view = new Mock <IView>();
ControllerContext context = new ControllerContext();
Mock <IViewEngine> locatedEngine = new Mock <IViewEngine>();
ViewEngineResult engineResult = new ViewEngineResult(view.Object, locatedEngine.Object);
locatedEngine.Setup(e => e.FindPartialView(context, "ViewName", true))
.Returns(engineResult);
Mock <IViewEngine> secondEngine = new Mock <IViewEngine>();
Resolver <IEnumerable <IViewEngine> > resolver = new Resolver <IEnumerable <IViewEngine> > {
Current = new IViewEngine[] { locatedEngine.Object, secondEngine.Object }
};
ViewEngineCollection engines = new ViewEngineCollection(resolver);
// Act
ViewEngineResult result = engines.FindPartialView(context, "ViewName");
// Assert
Assert.Same(engineResult, result);
secondEngine.Verify(e => e.FindPartialView(context, "ViewName", It.IsAny <bool>()), Times.Never());
}
public void FindPartialViewAggregatesAllSearchedLocationsIfAllEnginesFail() {
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
ViewEngineCollection viewEngineCollection = new ViewEngineCollection();
Mock<IViewEngine> engine1 = new Mock<IViewEngine>();
ViewEngineResult engine1Result = new ViewEngineResult(new[] { "location1", "location2" });
engine1.Setup(e => e.FindPartialView(context, "partial", It.IsAny<bool>())).Returns(engine1Result);
Mock<IViewEngine> engine2 = new Mock<IViewEngine>();
ViewEngineResult engine2Result = new ViewEngineResult(new[] { "location3", "location4" });
engine2.Setup(e => e.FindPartialView(context, "partial", It.IsAny<bool>())).Returns(engine2Result);
viewEngineCollection.Add(engine1.Object);
viewEngineCollection.Add(engine2.Object);
// Act
ViewEngineResult result = viewEngineCollection.FindPartialView(context, "partial");
// Assert
Assert.IsNull(result.View);
Assert.AreEqual(4, result.SearchedLocations.Count());
Assert.IsTrue(result.SearchedLocations.Contains("location1"));
Assert.IsTrue(result.SearchedLocations.Contains("location2"));
Assert.IsTrue(result.SearchedLocations.Contains("location3"));
Assert.IsTrue(result.SearchedLocations.Contains("location4"));
}
protected string PartialViewAsString(string partialviewName, object model)
{
if (string.IsNullOrEmpty(partialviewName))
{
partialviewName = ControllerContext.RouteData.GetRequiredString("action");
}
var viewData = ViewData;
ViewData = new ViewDataDictionary(viewData)
{
Model = model
};
using (var writer = new StringWriter())
{
var viewResult = ViewEngineCollection.FindPartialView(ControllerContext, partialviewName);
var viewContext = new ViewContext(ControllerContext, viewResult.View, ViewData, TempData, writer);
viewResult.View.Render(viewContext, writer);
ViewData = viewData;
return(writer.ToString());
}
}
public void FindPartialViewLooksAtLocatorIfCacheEmpty()
{
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
Mock<IViewEngine> engine = new Mock<IViewEngine>();
ViewEngineResult engineResult = new ViewEngineResult(new Mock<IView>().Object, engine.Object);
engine.Setup(e => e.FindPartialView(context, "partial", true)).Returns(new ViewEngineResult(new[] { "path" }));
engine.Setup(e => e.FindPartialView(context, "partial", false)).Returns(engineResult);
ViewEngineCollection collection = new ViewEngineCollection()
{
engine.Object,
};
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
Assert.Same(engineResult, result);
engine.Verify(e => e.FindPartialView(context, "partial", true), Times.Once());
engine.Verify(e => e.FindPartialView(context, "partial", false), Times.Once());
}
public void FindPartialViewReturnsValueFromFirstSuccessfulEngine() {
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
Mock<IViewEngine> engine1 = new Mock<IViewEngine>();
ViewEngineResult engine1Result = new ViewEngineResult(new Mock<IView>().Object, engine1.Object);
engine1.Expect(e => e.FindPartialView(context, "partial", It.IsAny<bool>())).Returns(engine1Result);
Mock<IViewEngine> engine2 = new Mock<IViewEngine>();
ViewEngineResult engine2Result = new ViewEngineResult(new Mock<IView>().Object, engine2.Object);
engine2.Expect(e => e.FindPartialView(context, "partial", It.IsAny<bool>())).Returns(engine2Result);
collection.Add(engine1.Object);
collection.Add(engine2.Object);
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
Assert.AreSame(engine1Result, result);
}
public void FindPartialViewThrowsIfPartialViewNameIsEmpty() {
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
// Act & Assert
ExceptionHelper.ExpectArgumentExceptionNullOrEmpty(
() => collection.FindPartialView(context, ""),
"partialViewName");
}
public void FindPartialViewDelegatesToResolver()
{
// Arrange
Mock<IView> view = new Mock<IView>();
ControllerContext context = new ControllerContext();
Mock<IViewEngine> locatedEngine = new Mock<IViewEngine>();
ViewEngineResult engineResult = new ViewEngineResult(view.Object, locatedEngine.Object);
locatedEngine.Setup(e => e.FindPartialView(context, "ViewName", true))
.Returns(engineResult);
Mock<IViewEngine> secondEngine = new Mock<IViewEngine>();
Resolver<IEnumerable<IViewEngine>> resolver = new Resolver<IEnumerable<IViewEngine>> { Current = new IViewEngine[] { locatedEngine.Object, secondEngine.Object } };
ViewEngineCollection engines = new ViewEngineCollection(resolver);
// Act
ViewEngineResult result = engines.FindPartialView(context, "ViewName");
// Assert
Assert.Same(engineResult, result);
secondEngine.Verify(e => e.FindPartialView(context, "ViewName", It.IsAny<bool>()), Times.Never());
}
/// <summary>
/// Searches for evaluatedValueString partial view in the given <see cref="ViewEngineCollection"/>.
/// </summary>
/// <param name="viewContext">The view context.</param>
/// <param name="partialViewName">The partial view name.</param>
/// <param name="viewEngineCollection">The view engine collection.</param>
/// <returns>
/// The partial view.
/// </returns>
public virtual IView FindPartialView(ViewContext viewContext, string partialViewName, ViewEngineCollection viewEngineCollection)
{
if (string.IsNullOrEmpty(partialViewName))
throw new ArgumentNullException("partialViewName");
ViewEngineResult viewEngineResult = viewEngineCollection.FindPartialView(viewContext, partialViewName);
if (viewEngineResult.View != null)
{
return viewEngineResult.View;
}
StringBuilder stringBuilder = new StringBuilder();
foreach (string current in viewEngineResult.SearchedLocations)
{
stringBuilder.AppendLine();
stringBuilder.Append(current);
}
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Properties.Resources.Common_PartialViewNotFound, partialViewName, stringBuilder));
}
public void FindPartialViewFailureWithOneEngine()
{
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
Mock<IViewEngine> engine = new Mock<IViewEngine>();
ViewEngineResult engineResult = new ViewEngineResult(new[] { "location1", "location2" });
engine.Setup(e => e.FindPartialView(context, "partial", It.IsAny<bool>())).Returns(engineResult);
collection.Add(engine.Object);
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
Assert.Null(result.View);
Assert.Equal(2, result.SearchedLocations.Count());
Assert.True(result.SearchedLocations.Contains("location1"));
Assert.True(result.SearchedLocations.Contains("location2"));
}
public void FindPartialViewIgnoresSearchLocationsFromCache()
{
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
Mock<IViewEngine> engine = new Mock<IViewEngine>();
engine.Setup(e => e.FindPartialView(context, "partial", true)).Returns(new ViewEngineResult(new[] { "cachePath" }));
engine.Setup(e => e.FindPartialView(context, "partial", false)).Returns(new ViewEngineResult(new[] { "locatorPath" }));
ViewEngineCollection collection = new ViewEngineCollection()
{
engine.Object,
};
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
string searchedLocation = Assert.Single(result.SearchedLocations);
Assert.Equal("locatorPath", searchedLocation);
engine.Verify(e => e.FindPartialView(context, "partial", true), Times.Once());
engine.Verify(e => e.FindPartialView(context, "partial", false), Times.Once());
}
internal static IView FindPartialView(ViewContext viewContext, string partialViewName, ViewEngineCollection viewEngineCollection)
{
ViewEngineResult result = viewEngineCollection.FindPartialView(viewContext, partialViewName);
if (result.View != null)
{
return result.View;
}
StringBuilder locationsText = new StringBuilder();
foreach (string location in result.SearchedLocations)
{
locationsText.AppendLine();
locationsText.Append(location);
}
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture,
MvcResources.Common_PartialViewNotFound, partialViewName, locationsText));
}
public void FindPartialViewThrowsIfControllerContextIsNull()
{
// Arrange
ViewEngineCollection collection = new ViewEngineCollection();
// Act & Assert
Assert.ThrowsArgumentNull(
() => collection.FindPartialView(null, "partial"),
"controllerContext");
}
public void FindPartialViewDelegatesToResolver()
{
// Arrange
Mock<IView> view = new Mock<IView>();
ControllerContext context = new ControllerContext();
Mock<IViewEngine> locatedEngine = new Mock<IViewEngine>();
ViewEngineResult engineResult = new ViewEngineResult(view.Object, locatedEngine.Object);
locatedEngine.Setup(e => e.FindPartialView(context, "ViewName", true))
.Returns(engineResult);
Mock<IViewEngine> secondEngine = new Mock<IViewEngine>();
var resolver = new Mock<IDependencyResolver>();
resolver.Setup(r => r.GetServices(typeof(IViewEngine))).Returns(new IViewEngine[] { locatedEngine.Object, secondEngine.Object });
ViewEngineCollection engines = new ViewEngineCollection(new IViewEngine[0], resolver.Object);
// Act
ViewEngineResult result = engines.FindPartialView(context, "ViewName");
// Assert
Assert.Same(engineResult, result);
secondEngine.Verify(e => e.FindPartialView(context, "ViewName", It.IsAny<bool>()), Times.Never());
}
public void FindPartialViewThrowsIfPartialViewNameIsNull()
{
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
// Act & Assert
Assert.ThrowsArgumentNullOrEmpty(
() => collection.FindPartialView(context, null),
"partialViewName");
}
public void FindPartialViewSuccessWithOneEngine()
{
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
Mock<IViewEngine> engine = new Mock<IViewEngine>();
ViewEngineResult engineResult = new ViewEngineResult(new Mock<IView>().Object, engine.Object);
engine.Setup(e => e.FindPartialView(context, "partial", It.IsAny<bool>())).Returns(engineResult);
collection.Add(engine.Object);
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
Assert.Same(engineResult, result);
}
public void FindPartialViewReturnsNoViewAndEmptySearchedLocationsIfCollectionEmpty()
{
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
Assert.Null(result.View);
Assert.Empty(result.SearchedLocations);
}
public void FindPartialViewRemovesDuplicateSearchedLocationsFromMultipleEngines()
{
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
Mock<IViewEngine> engine1 = new Mock<IViewEngine>();
ViewEngineResult engine1Result = new ViewEngineResult(new[] { "repeatLocation", "location1" });
engine1.Setup(e => e.FindPartialView(context, "partial", It.IsAny<bool>())).Returns(engine1Result);
Mock<IViewEngine> engine2 = new Mock<IViewEngine>();
ViewEngineResult engine2Result = new ViewEngineResult(new[] { "location2", "repeatLocation" });
engine2.Setup(e => e.FindPartialView(context, "partial", It.IsAny<bool>())).Returns(engine2Result);
ViewEngineCollection viewEngineCollection = new ViewEngineCollection()
{
engine1.Object,
engine2.Object,
};
// Act
ViewEngineResult result = viewEngineCollection.FindPartialView(context, "partial");
// Assert
var expectedLocations = new[] { "repeatLocation", "location1", "location2" };
Assert.Null(result.View);
Assert.Equal(expectedLocations, result.SearchedLocations.ToArray());
}
public void FindPartialViewIteratesThroughCollectionUntilFindsSuccessfulEngine()
{
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
Mock<IViewEngine> engine1 = new Mock<IViewEngine>();
ViewEngineResult engine1Result = new ViewEngineResult(new[] { "location1", "location2" });
engine1.Setup(e => e.FindPartialView(context, "partial", It.IsAny<bool>())).Returns(engine1Result);
Mock<IViewEngine> engine2 = new Mock<IViewEngine>();
ViewEngineResult engine2Result = new ViewEngineResult(new Mock<IView>().Object, engine2.Object);
engine2.Setup(e => e.FindPartialView(context, "partial", It.IsAny<bool>())).Returns(engine2Result);
collection.Add(engine1.Object);
collection.Add(engine2.Object);
// Act
ViewEngineResult result = collection.FindPartialView(context, "partial");
// Assert
Assert.Same(engine2Result, result);
}
