public void FindViewDelegatesToResolver()
{
// 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.FindView(context, "ViewName", "MasterName", 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.FindView(context, "ViewName", "MasterName");
// Assert
Assert.Same(engineResult, result);
secondEngine.Verify(e => e.FindView(context, "ViewName", "MasterName", It.IsAny <bool>()), Times.Never());
}
public void FindViewIteratesThroughCollectionUntilFindsSuccessfulEngine()
{
// 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.FindView(context, "view", "master", 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.FindView(context, "view", "master", It.IsAny <bool>()))
.Returns(engine2Result);
collection.Add(engine1.Object);
collection.Add(engine2.Object);
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// Assert
Assert.Same(engine2Result, result);
}
public void AsksEachViewEngineInTheOrderItWasCalled()
{
var redEngine = new Mock <IViewEngine>();
var redResult = new ViewEngineResult(false, new[] { "Whatever" });
redEngine.Setup(x => x.FindView(It.IsAny <ControllerContext>(), It.IsAny <ViewResultOptions>(), It.IsAny <string>())).Returns(redResult);
var orangeEngine = new Mock <IViewEngine>();
orangeEngine.Setup(x => x.FindView(It.IsAny <ControllerContext>(), It.IsAny <ViewResultOptions>(), It.IsAny <string>())).Returns((ViewEngineResult)null);
var blueEngine = new Mock <IViewEngine>();
var blueResult = new ViewEngineResult(true, new string[0]);
blueEngine.Setup(x => x.FindView(It.IsAny <ControllerContext>(), It.IsAny <ViewResultOptions>(), It.IsAny <string>())).Returns(blueResult);
var greenEngine = new Mock <IViewEngine>();
var greenResult = new ViewEngineResult(true, new string[0]);
greenEngine.Setup(x => x.FindView(It.IsAny <ControllerContext>(), It.IsAny <ViewResultOptions>(), It.IsAny <string>())).Returns(greenResult);
var collection = new ViewEngineCollection();
collection.Add(redEngine.Object);
collection.Add(orangeEngine.Object);
collection.Add(blueEngine.Object);
collection.Add(greenEngine.Object);
var result = collection.FindView(RequestBuilder.CreateRequest().BuildControllerContext(), new ViewResultOptions(), "Foo");
Assert.AreEqual(blueResult, result);
}
public void FindViewRemovesDuplicateSearchedLocationsFromMultipleEngines()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
Mock <IViewEngine> engine1 = new Mock <IViewEngine>();
ViewEngineResult engine1Result = new ViewEngineResult(new[] { "repeatLocation", "location1" });
engine1.Setup(e => e.FindView(context, "view", "master", It.IsAny <bool>())).Returns(engine1Result);
Mock <IViewEngine> engine2 = new Mock <IViewEngine>();
ViewEngineResult engine2Result = new ViewEngineResult(new[] { "location2", "repeatLocation" });
engine2.Setup(e => e.FindView(context, "view", "master", It.IsAny <bool>())).Returns(engine2Result);
ViewEngineCollection collection = new ViewEngineCollection()
{
engine1.Object,
engine2.Object,
};
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// Assert
Assert.Null(result.View);
var expectedLocations = new[] { "repeatLocation", "location1", "location2" };
Assert.Equal(expectedLocations, result.SearchedLocations.ToArray());
}
protected bool FindView(string viewName, object model, out ActionResult action)
{
var layoutAwareViewEngine = WorkContext.Resolve <ILayoutAwareViewEngine>();
var engines = new ViewEngineCollection(new List <IViewEngine> {
layoutAwareViewEngine
});
var result = engines.FindView(ControllerContext, viewName, null);
if (result.View != null)
{
if (model != null)
{
ViewData.Model = model;
}
action = new ViewResult
{
ViewData = ViewData,
TempData = TempData,
View = result.View,
ViewName = viewName
};
return(true);
}
action = null;
return(false);
}
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.FindView(context, ViewName, MasterName);
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 FindViewIgnoresSearchLocationsFromCache()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
Mock <IViewEngine> engine = new Mock <IViewEngine>();
engine
.Setup(e => e.FindView(context, "view", "master", true))
.Returns(new ViewEngineResult(new[] { "cachePath" }));
engine
.Setup(e => e.FindView(context, "view", "master", false))
.Returns(new ViewEngineResult(new[] { "locatorPath" }));
ViewEngineCollection collection = new ViewEngineCollection()
{
engine.Object,
};
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// Assert
string searchedLocation = Assert.Single(result.SearchedLocations);
Assert.Equal("locatorPath", searchedLocation);
engine.Verify(e => e.FindView(context, "view", "master", true), Times.Once());
engine.Verify(e => e.FindView(context, "view", "master", false), Times.Once());
}
public void FindViewAggregatesAllSearchedLocationsIfAllEnginesFail()
{
// 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.Expect(e => e.FindView(context, "view", "master", It.IsAny <bool>())).Returns(engine1Result);
Mock <IViewEngine> engine2 = new Mock <IViewEngine>();
ViewEngineResult engine2Result = new ViewEngineResult(new[] { "location3", "location4" });
engine2.Expect(e => e.FindView(context, "view", "master", It.IsAny <bool>())).Returns(engine2Result);
collection.Add(engine1.Object);
collection.Add(engine2.Object);
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// 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"));
}
public void FindViewReturnsValueFromFirstSuccessfulEngine()
{
// 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.FindView(context, "view", "master", 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.FindView(context, "view", "master", It.IsAny <bool>()))
.Returns(engine2Result);
collection.Add(engine1.Object);
collection.Add(engine2.Object);
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// Assert
Assert.Same(engine1Result, result);
}
public void FindViewLooksAtLocatorIfCacheEmpty()
{
// 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.FindView(context, "view", "master", true))
.Returns(new ViewEngineResult(new[] { "path" }));
engine.Setup(e => e.FindView(context, "view", "master", false)).Returns(engineResult);
ViewEngineCollection collection = new ViewEngineCollection()
{
engine.Object,
};
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// Assert
Assert.Same(engineResult, result);
engine.Verify(e => e.FindView(context, "view", "master", true), Times.Once());
engine.Verify(e => e.FindView(context, "view", "master", false), Times.Once());
}
public void AsksEachViewEngineInTheOrderItWasCalled()
{
var redEngine = new Mock<IViewEngine>();
var redResult = new ViewEngineResult(false, new[] { "Whatever"});
redEngine.Setup(x => x.FindView(It.IsAny<ControllerContext>(), It.IsAny<ViewResultOptions>(), It.IsAny<string>())).Returns(redResult);
var orangeEngine = new Mock<IViewEngine>();
orangeEngine.Setup(x => x.FindView(It.IsAny<ControllerContext>(), It.IsAny<ViewResultOptions>(), It.IsAny<string>())).Returns((ViewEngineResult)null);
var blueEngine = new Mock<IViewEngine>();
var blueResult = new ViewEngineResult(true, new string[0]);
blueEngine.Setup(x => x.FindView(It.IsAny<ControllerContext>(), It.IsAny<ViewResultOptions>(), It.IsAny<string>())).Returns(blueResult);
var greenEngine = new Mock<IViewEngine>();
var greenResult = new ViewEngineResult(true, new string[0]);
greenEngine.Setup(x => x.FindView(It.IsAny<ControllerContext>(), It.IsAny<ViewResultOptions>(), It.IsAny<string>())).Returns(greenResult);
var collection = new ViewEngineCollection();
collection.Add(redEngine.Object);
collection.Add(orangeEngine.Object);
collection.Add(blueEngine.Object);
collection.Add(greenEngine.Object);
var result = collection.FindView(RequestBuilder.CreateRequest().BuildControllerContext(), new ViewResultOptions(), "Foo");
Assert.AreEqual(blueResult, result);
}
public void MustRegisterViewEnginesBeforeFindingViews()
{
var collection = new ViewEngineCollection();
var context = RequestBuilder.CreateRequest().BuildControllerContext();
var parameters = new ViewResultOptions();
Assert.Throws <NavigationConfigurationException>(() => collection.FindView(context, parameters, "Foo"));
}
public void MustRegisterViewEnginesBeforeFindingViews()
{
var collection = new ViewEngineCollection();
var context = RequestBuilder.CreateRequest().BuildControllerContext();
var parameters = new ViewResultOptions();
Assert.Throws<NavigationConfigurationException>(() => collection.FindView(context, parameters, "Foo"));
}
protected override ViewEngineResult FindView(ControllerContext context)
{
ViewEngineResult result = ViewEngineCollection.FindView(context, ViewName, string.Empty);
if (result.View != null)
{
return(result);
}
return(null);
}
public void FindViewThrowsIfControllerContextIsNull()
{
// Arrange
ViewEngineCollection collection = new ViewEngineCollection();
// Act & Assert
ExceptionHelper.ExpectArgumentNullException(
() => collection.FindView(null, "view", null),
"controllerContext"
);
}
protected override ViewEngineResult FindView(ControllerContext controllerContext)
{
var result = ViewEngineCollection.FindView(controllerContext, "RoboFormResult_", null);
var workContext = EngineContext.Current.Resolve <IWebWorkContext>();
var scriptRegister = new ScriptRegister(workContext);
var styleRegister = new StyleRegister(workContext);
GetAdditionalResources(scriptRegister, styleRegister);
return(result);
}
public void FindViewThrowsIfViewNameIsEmpty()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
// Act & Assert
Assert.ThrowsArgumentNullOrEmpty(
() => collection.FindView(context, "", null),
"viewName"
);
}
public void FindViewThrowsIfViewNameIsNull()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
// Act & Assert
ExceptionHelper.ExpectArgumentExceptionNullOrEmpty(
() => collection.FindView(context, null, null),
"viewName"
);
}
public void FindViewReturnsNoViewAndEmptySearchedLocationsIfCollectionEmpty()
{
// Arrange
ControllerContext context = new Mock <ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
// Act
ViewEngineResult result = collection.FindView(context, "view", null);
// Assert
Assert.IsNull(result.View);
Assert.AreEqual(0, result.SearchedLocations.Count());
}
IView CreateView(string viewName, ControllerContext controllerContext)
{
var result = viewEngines.FindView(controllerContext, viewName, null);
if (result.View != null)
{
return(result.View);
}
throw new Exception(
"Email view not found for " + viewName +
". Locations searched:" + Environment.NewLine +
string.Join(Environment.NewLine, result.SearchedLocations)
);
}
public ActionResult Error()
{
var model = new Models.ErrorModel(ControllerContext);
if (model.StatusCode != null)
{
//try to locate the view for this error
var result = ViewEngineCollection.FindView(ControllerContext, $"Error{model.StatusCode}", null);
if (result?.View != null) //if found, execute it, decorating it with our decorator which preserves the original status code.
{
return(Decorate(View(result.View, model), model));
}
}
return(Decorate(View(model), model));
}
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);
}
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 void FindViewSuccessWithOneEngine()
{
// 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.FindView(context, "view", "master", It.IsAny <bool>())).Returns(engineResult);
collection.Add(engine.Object);
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// 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);
}
public void Download()
{
using (StringWriter sw = new StringWriter())
{
var preview = ViewEngineCollection.FindView(this.ControllerContext, "Report", null);
ViewData.Add("users", GetUsers());
var vc = new ViewContext(ControllerContext, preview.View, ViewData, TempData, sw);
preview.View.Render(vc, sw);
HtmlToPdf htp = new HtmlToPdf();
PdfDocument doc = htp.ConvertHtmlString(sw.ToString());
using (MemoryStream ms = new MemoryStream())
{
doc.Save(System.Web.HttpContext.Current.Response, false, "BPReport.pdf");
doc.Close();
}
}
}
// Enable the call to ViewEngineCollection FindView method with useCache=false
public static ViewEngineResult FindView(this ViewEngineCollection viewEngineCollection, ControllerContext controllerContext, string viewName, string masterName, bool useCache)
{
try
{
var cacheKey = CreateCacheKey(controllerContext, "View", viewName, masterName, (controllerContext.Controller as IDnnController)?.ModuleContext.PortalId ?? 0);
var parameters = new object[]
{
new Func <IViewEngine, ViewEngineResult>(e => e.FindView(controllerContext, viewName, masterName, 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.FindView(controllerContext, viewName, masterName));
}
}
public void CombinesAllErrorsWhenResultIsNotFound()
{
var redEngine = new Mock<IViewEngine>();
var redResult = new ViewEngineResult(false, new[] { "red whatever" });
redEngine.Setup(x => x.FindView(It.IsAny<ControllerContext>(), It.IsAny<ViewResultOptions>(), It.IsAny<string>())).Returns(redResult);
var blueEngine = new Mock<IViewEngine>();
var blueResult = new ViewEngineResult(false, new[] { "blue whatever" });
blueEngine.Setup(x => x.FindView(It.IsAny<ControllerContext>(), It.IsAny<ViewResultOptions>(), It.IsAny<string>())).Returns(blueResult);
var collection = new ViewEngineCollection();
collection.Add(redEngine.Object);
collection.Add(blueEngine.Object);
var result = collection.FindView(RequestBuilder.CreateRequest().BuildControllerContext(), new ViewResultOptions(), "Foo");
Assert.IsFalse(result.Success);
Assert.AreEqual(2, result.SearchLocations.Count());
Assert.AreEqual("red whatever", result.SearchLocations.ElementAt(0));
Assert.AreEqual("blue whatever", result.SearchLocations.ElementAt(1));
}
public void FindViewFailureWithOneEngine()
{
// 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.FindView(context, "view", "master", It.IsAny <bool>())).Returns(engineResult);
collection.Add(engine.Object);
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// Assert
Assert.IsNull(result.View);
Assert.AreEqual(2, result.SearchedLocations.Count());
Assert.IsTrue(result.SearchedLocations.Contains("location1"));
Assert.IsTrue(result.SearchedLocations.Contains("location2"));
}
protected ViewEngineResult FindView(ControllerContext context)
{
ViewEngineResult result = _viewEngines.FindView(context, ViewName, MasterName);
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,
MvcResources.Common_ViewNotFound, ViewName, locationsText));
}
private static IView FindPartialView(ViewContext viewContext, string partialViewName,
ViewEngineCollection viewEngineCollection, string masterName)
{
ViewEngineResult result = viewEngineCollection.FindView(viewContext, partialViewName, masterName);
if (result.View != null)
{
return(result.View);
}
var locationsText = new StringBuilder();
foreach (string location in result.SearchedLocations)
{
locationsText.AppendLine();
locationsText.Append(location);
}
throw new InvalidOperationException(String.Format(CultureInfo.CurrentUICulture,
"could not find view {0} looked in {1}", partialViewName,
locationsText));
}
public void FindViewDelegatesToResolver()
{
// 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.FindView(context, "ViewName", "MasterName", 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.FindView(context, "ViewName", "MasterName");
// Assert
Assert.Same(engineResult, result);
secondEngine.Verify(e => e.FindView(context, "ViewName", "MasterName", It.IsAny <bool>()), Times.Never());
}
public void CombinesAllErrorsWhenResultIsNotFound()
{
var redEngine = new Mock <IViewEngine>();
var redResult = new ViewEngineResult(false, new[] { "red whatever" });
redEngine.Setup(x => x.FindView(It.IsAny <ControllerContext>(), It.IsAny <ViewResultOptions>(), It.IsAny <string>())).Returns(redResult);
var blueEngine = new Mock <IViewEngine>();
var blueResult = new ViewEngineResult(false, new[] { "blue whatever" });
blueEngine.Setup(x => x.FindView(It.IsAny <ControllerContext>(), It.IsAny <ViewResultOptions>(), It.IsAny <string>())).Returns(blueResult);
var collection = new ViewEngineCollection();
collection.Add(redEngine.Object);
collection.Add(blueEngine.Object);
var result = collection.FindView(RequestBuilder.CreateRequest().BuildControllerContext(), new ViewResultOptions(), "Foo");
Assert.IsFalse(result.Success);
Assert.AreEqual(2, result.SearchLocations.Count());
Assert.AreEqual("red whatever", result.SearchLocations.ElementAt(0));
Assert.AreEqual("blue whatever", result.SearchLocations.ElementAt(1));
}
public void FindViewDelegatesToResolver()
{
// 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.FindView(context, "ViewName", "MasterName", 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.FindView(context, "ViewName", "MasterName");
// Assert
Assert.Same(engineResult, result);
secondEngine.Verify(e => e.FindView(context, "ViewName", "MasterName", It.IsAny<bool>()), Times.Never());
}
public void FindViewDelegatesToResolver()
{
// 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.FindView(context, "ViewName", "MasterName", 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.FindView(context, "ViewName", "MasterName");
// Assert
Assert.Same(engineResult, result);
secondEngine.Verify(e => e.FindView(context, "ViewName", "MasterName", It.IsAny<bool>()), Times.Never());
}
public void FindViewFailureWithOneEngine()
{
// 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.FindView(context, "view", "master", It.IsAny<bool>())).Returns(engineResult);
collection.Add(engine.Object);
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// 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 FindViewLooksAtLocatorIfCacheEmpty()
{
// 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.FindView(context, "view", "master", true)).Returns(new ViewEngineResult(new[] { "path" }));
engine.Setup(e => e.FindView(context, "view", "master", false)).Returns(engineResult);
ViewEngineCollection collection = new ViewEngineCollection()
{
engine.Object,
};
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// Assert
Assert.Same(engineResult, result);
engine.Verify(e => e.FindView(context, "view", "master", true), Times.Once());
engine.Verify(e => e.FindView(context, "view", "master", false), Times.Once());
}
public void FindViewIgnoresSearchLocationsFromCache()
{
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
Mock<IViewEngine> engine = new Mock<IViewEngine>();
engine.Setup(e => e.FindView(context, "view", "master", true)).Returns(new ViewEngineResult(new[] { "cachePath" }));
engine.Setup(e => e.FindView(context, "view", "master", false)).Returns(new ViewEngineResult(new[] { "locatorPath" }));
ViewEngineCollection collection = new ViewEngineCollection()
{
engine.Object,
};
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// Assert
string searchedLocation = Assert.Single(result.SearchedLocations);
Assert.Equal("locatorPath", searchedLocation);
engine.Verify(e => e.FindView(context, "view", "master", true), Times.Once());
engine.Verify(e => e.FindView(context, "view", "master", false), Times.Once());
}
public void FindViewIteratesThroughCollectionUntilFindsSuccessfulEngine()
{
// 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.FindView(context, "view", "master", 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.FindView(context, "view", "master", It.IsAny<bool>())).Returns(engine2Result);
collection.Add(engine1.Object);
collection.Add(engine2.Object);
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// Assert
Assert.Same(engine2Result, result);
}
private static IView FindPartialView(ViewContext viewContext, string partialViewName, ViewEngineCollection viewEngineCollection, string masterName)
{
ViewEngineResult result = viewEngineCollection.FindView(viewContext, partialViewName, masterName);
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.CurrentUICulture,
"could not find view {0} looked in {1}", partialViewName, locationsText));
}
public void FindViewRemovesDuplicateSearchedLocationsFromMultipleEngines()
{
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
Mock<IViewEngine> engine1 = new Mock<IViewEngine>();
ViewEngineResult engine1Result = new ViewEngineResult(new[] { "repeatLocation", "location1" });
engine1.Setup(e => e.FindView(context, "view", "master", It.IsAny<bool>())).Returns(engine1Result);
Mock<IViewEngine> engine2 = new Mock<IViewEngine>();
ViewEngineResult engine2Result = new ViewEngineResult(new[] { "location2", "repeatLocation" });
engine2.Setup(e => e.FindView(context, "view", "master", It.IsAny<bool>())).Returns(engine2Result);
ViewEngineCollection collection = new ViewEngineCollection()
{
engine1.Object,
engine2.Object,
};
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// Assert
Assert.Null(result.View);
var expectedLocations = new[] { "repeatLocation", "location1", "location2" };
Assert.Equal(expectedLocations, result.SearchedLocations.ToArray());
}
public void FindViewReturnsValueFromFirstSuccessfulEngine() {
// 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.FindView(context, "view", "master", 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.FindView(context, "view", "master", It.IsAny<bool>())).Returns(engine2Result);
collection.Add(engine1.Object);
collection.Add(engine2.Object);
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// Assert
Assert.AreSame(engine1Result, result);
}
public void FindViewReturnsNoViewAndEmptySearchedLocationsIfCollectionEmpty()
{
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
// Act
ViewEngineResult result = collection.FindView(context, "view", null);
// Assert
Assert.Null(result.View);
Assert.Empty(result.SearchedLocations);
}
public void FindViewSuccessWithOneEngine()
{
// 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.FindView(context, "view", "master", It.IsAny<bool>())).Returns(engineResult);
collection.Add(engine.Object);
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// Assert
Assert.Same(engineResult, result);
}
public void FindViewThrowsIfViewNameIsNull()
{
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
// Act & Assert
Assert.ThrowsArgumentNullOrEmpty(
() => collection.FindView(context, null, null),
"viewName"
);
}
public void FindViewThrowsIfControllerContextIsNull()
{
// Arrange
ViewEngineCollection collection = new ViewEngineCollection();
// Act & Assert
Assert.ThrowsArgumentNull(
() => collection.FindView(null, "view", null),
"controllerContext"
);
}
public void FindViewAggregatesAllSearchedLocationsIfAllEnginesFail()
{
// 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.FindView(context, "view", "master", It.IsAny<bool>())).Returns(engine1Result);
Mock<IViewEngine> engine2 = new Mock<IViewEngine>();
ViewEngineResult engine2Result = new ViewEngineResult(new[] { "location3", "location4" });
engine2.Setup(e => e.FindView(context, "view", "master", It.IsAny<bool>())).Returns(engine2Result);
collection.Add(engine1.Object);
collection.Add(engine2.Object);
// Act
ViewEngineResult result = collection.FindView(context, "view", "master");
// 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 FindViewThrowsIfViewNameIsEmpty() {
// Arrange
ControllerContext context = new Mock<ControllerContext>().Object;
ViewEngineCollection collection = new ViewEngineCollection();
// Act & Assert
ExceptionHelper.ExpectArgumentExceptionNullOrEmpty(
() => collection.FindView(context, "", null),
"viewName"
);
}
