public async Task ExecuteResultAsync_FindsAndExecutesView()
{
// Arrange
var viewName = "MyView";
var actionContext = GetActionContext();
var view = new Mock <IView>(MockBehavior.Strict);
view
.Setup(v => v.RenderAsync(It.IsAny <ViewContext>()))
.Returns(Task.FromResult(0))
.Verifiable();
view
.As <IDisposable>()
.Setup(v => v.Dispose())
.Verifiable();
// Used by logging
view
.SetupGet(v => v.Path)
.Returns($"{viewName}.cshtml");
var viewEngine = new Mock <IViewEngine>(MockBehavior.Strict);
viewEngine
.Setup(v => v.GetView(/*executingFilePath*/ null, viewName, /*isMainPage*/ true))
.Returns(ViewEngineResult.NotFound(viewName, Enumerable.Empty <string>()))
.Verifiable();
viewEngine
.Setup(v => v.FindView(It.IsAny <ActionContext>(), viewName, /*isMainPage*/ true))
.Returns(ViewEngineResult.Found(viewName, view.Object))
.Verifiable();
var viewResult = new ViewResult
{
ViewName = viewName,
ViewEngine = viewEngine.Object,
ViewData = new ViewDataDictionary(new EmptyModelMetadataProvider()),
TempData = Mock.Of <ITempDataDictionary>(),
};
// Act
await viewResult.ExecuteResultAsync(actionContext);
// Assert
view.Verify();
viewEngine.Verify();
}
public async Task ExecuteResultAsync_Throws_IfServicesNotRegistered()
{
// Arrange
var actionContext = new ActionContext(new DefaultHttpContext()
{
RequestServices = Mock.Of <IServiceProvider>(),
}, new RouteData(), new ActionDescriptor());
var expected =
$"Unable to find the required services. Please add all the required services by calling " +
$"'IServiceCollection.AddControllersWithViews()' inside the call to 'ConfigureServices(...)' " +
$"in the application startup code.";
var viewResult = new ViewResult();
// Act
var ex = await Assert.ThrowsAsync <InvalidOperationException>(() => viewResult.ExecuteResultAsync(actionContext));
// Assert
Assert.Equal(expected, ex.Message);
}
public async Task ExecuteResultAsync_Throws_IfViewCouldNotBeFound_MessageUsesAllLocations()
{
// Arrange
var viewName = "MyView";
var actionContext = GetActionContext();
var expected = string.Join(
Environment.NewLine,
$"The view '{viewName}' was not found. The following locations were searched:",
"Location1",
"Location2",
"Location3",
"Location4");
var viewEngine = new Mock <IViewEngine>(MockBehavior.Strict);
viewEngine
.Setup(v => v.GetView(/*executingFilePath*/ null, viewName, /*isMainPage*/ true))
.Returns(ViewEngineResult.NotFound(viewName, new[] { "Location1", "Location2" }))
.Verifiable();
viewEngine
.Setup(v => v.FindView(It.IsAny <ActionContext>(), viewName, /*isMainPage*/ true))
.Returns(ViewEngineResult.NotFound(viewName, new[] { "Location3", "Location4" }))
.Verifiable();
var viewResult = new ViewResult
{
ViewEngine = viewEngine.Object,
ViewName = viewName,
ViewData = new ViewDataDictionary(new EmptyModelMetadataProvider()),
TempData = Mock.Of <ITempDataDictionary>(),
};
// Act and Assert
var ex = await Assert.ThrowsAsync <InvalidOperationException>(
() => viewResult.ExecuteResultAsync(actionContext));
Assert.Equal(expected, ex.Message);
viewEngine.Verify();
}
