public void GetView_ReturnsNotFound_IfAllViewEnginesReturnNotFound(bool isMainPage)
{
// Arrange
var viewName = "foo.cshtml";
var expectedViewName = "~/" + viewName;
var engine1 = new Mock <IViewEngine>(MockBehavior.Strict);
var engine2 = new Mock <IViewEngine>(MockBehavior.Strict);
var engine3 = new Mock <IViewEngine>(MockBehavior.Strict);
engine1
.Setup(e => e.GetView("~/Index.html", viewName, isMainPage))
.Returns(ViewEngineResult.NotFound(expectedViewName, new[] { "1", "2" }));
engine2
.Setup(e => e.GetView("~/Index.html", viewName, isMainPage))
.Returns(ViewEngineResult.NotFound(expectedViewName, new[] { "3" }));
engine3
.Setup(e => e.GetView("~/Index.html", viewName, isMainPage))
.Returns(ViewEngineResult.NotFound(expectedViewName, new[] { "4", "5" }));
var optionsAccessor = new TestOptionsManager <MvcViewOptions>();
optionsAccessor.Value.ViewEngines.Add(engine1.Object);
optionsAccessor.Value.ViewEngines.Add(engine2.Object);
optionsAccessor.Value.ViewEngines.Add(engine3.Object);
var compositeViewEngine = new CompositeViewEngine(optionsAccessor);
// Act
var result = compositeViewEngine.GetView("~/Index.html", viewName, isMainPage);
// Assert
Assert.False(result.Success);
Assert.Equal(new[] { "1", "2", "3", "4", "5" }, result.SearchedLocations);
}
/// <summary> Return a view by giving a specific file location. </summary>
/// <param name="executingFilePath"> The absolute path to the currently-executing view, if any (sets a base path to locate the view by). </param>
/// <param name="viewPath"> The relative path to the view (relative to 'executingFilePath', if given). </param>
/// <param name="isMainPage"> Determines if the page being found is the main page for an action.. </param>
/// <returns> The view. </returns>
public ViewEngineResult GetView(string executingFilePath, string viewPath, bool isMainPage)
{
var result = _CompositeViewEngine.GetView(executingFilePath, viewPath, isMainPage);
if (result.Success)
{
var newResult = ((result.View as RazorView)?.RazorPage as IViewPageRenderEvents)?.OnViewFound(_Services.GetService <IActionContextAccessor>()?.ActionContext, result);
result = newResult ?? ViewEngineResult.Found(result.ViewName, new ViewResultProxy(result.View));
}
return(result);
}
public void GetView_ReturnsNotFoundResult_WhenNoViewEnginesAreRegistered(bool isMainPage)
{
// Arrange
var viewName = "test-view.cshtml";
var optionsAccessor = new TestOptionsManager <MvcViewOptions>();
var compositeViewEngine = new CompositeViewEngine(optionsAccessor);
// Act
var result = compositeViewEngine.GetView("~/Index.html", viewName, isMainPage);
// Assert
Assert.False(result.Success);
Assert.Empty(result.SearchedLocations);
}
public void GetView_ReturnsNotFoundResult_WhenNoViewEnginesAreRegistered(bool isMainPage)
{
// Arrange
var expected = $"'{typeof(MvcViewOptions).FullName}.{nameof(MvcViewOptions.ViewEngines)}' must not be " +
$"empty. At least one '{typeof(IViewEngine).FullName}' is required to locate a view for rendering.";
var viewName = "test-view.cshtml";
var optionsAccessor = Options.Create(new MvcViewOptions());
var compositeViewEngine = new CompositeViewEngine(optionsAccessor);
// Act & Assert
var exception = Assert.Throws <InvalidOperationException>(
() => compositeViewEngine.GetView("~/Index.html", viewName, isMainPage));
Assert.Equal(expected, exception.Message);
}
public void GetView_ReturnsView_WhenExactlyOneViewEngineIsRegisteredWhichReturnsAFoundResult(bool isMainPage)
{
// Arrange
var viewName = "test-view.cshtml";
var expectedViewName = "~/" + viewName;
var engine = new Mock <IViewEngine>(MockBehavior.Strict);
var view = Mock.Of <IView>();
engine
.Setup(e => e.GetView("~/Index.html", viewName, isMainPage))
.Returns(ViewEngineResult.Found(expectedViewName, view));
var optionsAccessor = Options.Create(new MvcViewOptions());
optionsAccessor.Value.ViewEngines.Add(engine.Object);
var compositeViewEngine = new CompositeViewEngine(optionsAccessor);
// Act
var result = compositeViewEngine.GetView("~/Index.html", viewName, isMainPage);
// Assert
Assert.True(result.Success);
Assert.Same(view, result.View);
}
public void GetView_ReturnsNotFoundResult_WhenExactlyOneViewEngineIsRegisteredWhichReturnsNotFoundResult(
bool isMainPage)
{
// Arrange
var viewName = "test-view.cshtml";
var expectedViewName = "~/" + viewName;
var engine = new Mock <IViewEngine>(MockBehavior.Strict);
engine
.Setup(e => e.GetView("~/Index.html", viewName, isMainPage))
.Returns(ViewEngineResult.NotFound(expectedViewName, new[] { expectedViewName }));
var optionsAccessor = new TestOptionsManager <MvcViewOptions>();
optionsAccessor.Value.ViewEngines.Add(engine.Object);
var compositeViewEngine = new CompositeViewEngine(optionsAccessor);
// Act
var result = compositeViewEngine.GetView("~/Index.html", viewName, isMainPage);
// Assert
Assert.False(result.Success);
Assert.Equal(new[] { expectedViewName }, result.SearchedLocations);
}
public void GetView_ReturnsViewFromFirstViewEngineWithFoundResult(bool isMainPage)
{
// Arrange
var viewName = "foo.cshtml";
var expectedViewName = "~/" + viewName;
var engine1 = new Mock <IViewEngine>(MockBehavior.Strict);
var engine2 = new Mock <IViewEngine>(MockBehavior.Strict);
var engine3 = new Mock <IViewEngine>(MockBehavior.Strict);
var view2 = Mock.Of <IView>();
var view3 = Mock.Of <IView>();
engine1
.Setup(e => e.GetView("~/Index.html", viewName, isMainPage))
.Returns(ViewEngineResult.NotFound(expectedViewName, Enumerable.Empty <string>()));
engine2
.Setup(e => e.GetView("~/Index.html", viewName, isMainPage))
.Returns(ViewEngineResult.Found(expectedViewName, view2));
engine3
.Setup(e => e.GetView("~/Index.html", viewName, isMainPage))
.Returns(ViewEngineResult.Found(expectedViewName, view3));
var optionsAccessor = Options.Create(new MvcViewOptions());
optionsAccessor.Value.ViewEngines.Add(engine1.Object);
optionsAccessor.Value.ViewEngines.Add(engine2.Object);
optionsAccessor.Value.ViewEngines.Add(engine3.Object);
var compositeViewEngine = new CompositeViewEngine(optionsAccessor);
// Act
var result = compositeViewEngine.GetView("~/Index.html", viewName, isMainPage);
// Assert
Assert.True(result.Success);
Assert.Same(view2, result.View);
Assert.Equal(expectedViewName, result.ViewName);
}