public void Execute_ResolvesView_AndWritesDiagnosticSource()
{
// Arrange
var view = new Mock <IView>(MockBehavior.Strict);
view.Setup(v => v.RenderAsync(It.IsAny <ViewContext>()))
.Returns(Task.FromResult(result: true))
.Verifiable();
var viewEngine = new Mock <IViewEngine>(MockBehavior.Strict);
viewEngine
.Setup(v => v.FindView(It.IsAny <ActionContext>(), "Components/Invoke/Default", /*isMainPage*/ false))
.Returns(ViewEngineResult.Found("Components/Invoke/Default", view.Object))
.Verifiable();
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var result = new ViewViewComponentResult
{
ViewEngine = viewEngine.Object,
ViewData = viewData,
TempData = _tempDataDictionary,
};
var adapter = new TestDiagnosticListener();
var viewComponentContext = GetViewComponentContext(view.Object, viewData, adapter);
// Act
result.Execute(viewComponentContext);
// Assert
viewEngine.Verify();
view.Verify();
Assert.NotNull(adapter.ViewComponentBeforeViewExecute?.ActionDescriptor);
Assert.NotNull(adapter.ViewComponentBeforeViewExecute?.ViewComponentContext);
Assert.NotNull(adapter.ViewComponentBeforeViewExecute?.View);
Assert.NotNull(adapter.ViewComponentAfterViewExecute?.ActionDescriptor);
Assert.NotNull(adapter.ViewComponentAfterViewExecute?.ViewComponentContext);
Assert.NotNull(adapter.ViewComponentAfterViewExecute?.View);
}
private static ViewComponentContext GetViewComponentContext(IView view, ViewDataDictionary viewData, object diagnosticListener = null)
{
var diagnosticSource = new DiagnosticListener("Microsoft.AspNet");
if (diagnosticListener == null)
{
diagnosticListener = new TestDiagnosticListener();
}
diagnosticSource.SubscribeWithAdapter(diagnosticListener);
var serviceProvider = new Mock <IServiceProvider>();
serviceProvider.Setup(s => s.GetService(typeof(DiagnosticSource))).Returns(diagnosticSource);
var httpContext = new DefaultHttpContext();
httpContext.RequestServices = serviceProvider.Object;
var actionContext = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
var viewContext = new ViewContext(
actionContext,
view,
viewData,
new TempDataDictionary(new HttpContextAccessor(), new SessionStateTempDataProvider()),
TextWriter.Null,
new HtmlHelperOptions());
var viewComponentDescriptor = new ViewComponentDescriptor()
{
Type = typeof(object),
};
var viewComponentContext = new ViewComponentContext(
viewComponentDescriptor,
new object[0],
viewContext,
TextWriter.Null);
return(viewComponentContext);
}
public async Task ExecuteResultAsync_ExecutesViewComponent_AndWritesDiagnosticSource()
{
// Arrange
var descriptor = new ViewComponentDescriptor()
{
FullName = "Full.Name.Text",
ShortName = "Text",
Type = typeof(TextViewComponent),
MethodInfo = typeof(TextViewComponent).GetMethod(nameof(TextViewComponent.Invoke)),
};
var adapter = new TestDiagnosticListener();
var actionContext = CreateActionContext(adapter, descriptor);
var viewComponentResult = new ViewComponentResult()
{
Arguments = new { name = "World!" },
ViewComponentName = "Text",
TempData = _tempDataDictionary,
};
// Act
await viewComponentResult.ExecuteResultAsync(actionContext);
// Assert
var body = ReadBody(actionContext.HttpContext.Response);
Assert.Equal("Hello, World!", body);
Assert.NotNull(adapter.BeforeViewComponent?.ActionDescriptor);
Assert.NotNull(adapter.BeforeViewComponent?.ViewComponentContext);
Assert.NotNull(adapter.BeforeViewComponent?.ViewComponent);
Assert.NotNull(adapter.AfterViewComponent?.ActionDescriptor);
Assert.NotNull(adapter.AfterViewComponent?.ViewComponentContext);
Assert.NotNull(adapter.AfterViewComponent?.ViewComponentResult);
Assert.NotNull(adapter.AfterViewComponent?.ViewComponent);
}
public async Task ExecuteResultAsync_ExecutesViewComponent_AndWritesDiagnosticSource()
{
// Arrange
var descriptor = new ViewComponentDescriptor()
{
FullName = "Full.Name.Text",
ShortName = "Text",
Type = typeof(TextViewComponent),
MethodInfo = typeof(TextViewComponent).GetMethod(nameof(TextViewComponent.Invoke)),
};
var adapter = new TestDiagnosticListener();
var actionContext = CreateActionContext(adapter, descriptor);
var viewComponentResult = new ViewComponentResult()
{
Arguments = new { name = "World!" },
ViewComponentName = "Text",
TempData = _tempDataDictionary,
};
// Act
await viewComponentResult.ExecuteResultAsync(actionContext);
// Assert
var body = ReadBody(actionContext.HttpContext.Response);
Assert.Equal("Hello, World!", body);
Assert.NotNull(adapter.BeforeViewComponent?.ActionDescriptor);
Assert.NotNull(adapter.BeforeViewComponent?.ViewComponentContext);
Assert.NotNull(adapter.BeforeViewComponent?.ViewComponent);
Assert.NotNull(adapter.AfterViewComponent?.ActionDescriptor);
Assert.NotNull(adapter.AfterViewComponent?.ViewComponentContext);
Assert.NotNull(adapter.AfterViewComponent?.ViewComponentResult);
Assert.NotNull(adapter.AfterViewComponent?.ViewComponent);
}
private static ViewComponentContext GetViewComponentContext(
IView view,
ViewDataDictionary viewData,
object diagnosticListener = null)
{
var diagnosticSource = new DiagnosticListener("Microsoft.AspNet");
if (diagnosticListener == null)
{
diagnosticListener = new TestDiagnosticListener();
}
diagnosticSource.SubscribeWithAdapter(diagnosticListener);
var serviceProvider = new Mock<IServiceProvider>();
serviceProvider.Setup(s => s.GetService(typeof(DiagnosticSource))).Returns(diagnosticSource);
var httpContext = new DefaultHttpContext();
httpContext.RequestServices = serviceProvider.Object;
var actionContext = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
var viewContext = new ViewContext(
actionContext,
view,
viewData,
new TempDataDictionary(httpContext, new SessionStateTempDataProvider()),
TextWriter.Null,
new HtmlHelperOptions());
var viewComponentDescriptor = new ViewComponentDescriptor()
{
ShortName = "Invoke",
Type = typeof(object),
MethodInfo = typeof(object).GetTypeInfo().DeclaredMethods.First()
};
var viewComponentContext = new ViewComponentContext(
viewComponentDescriptor,
new Dictionary<string, object>(),
new HtmlTestEncoder(),
viewContext,
TextWriter.Null);
return viewComponentContext;
}
public void Execute_ResolvesView_AndWritesDiagnosticSource()
{
// Arrange
var view = new Mock<IView>(MockBehavior.Strict);
view.Setup(v => v.RenderAsync(It.IsAny<ViewContext>()))
.Returns(Task.FromResult(result: true))
.Verifiable();
var viewEngine = new Mock<IViewEngine>(MockBehavior.Strict);
viewEngine
.Setup(v => v.FindView(It.IsAny<ActionContext>(), "Components/Invoke/Default", /*isMainPage*/ false))
.Returns(ViewEngineResult.Found("Components/Invoke/Default", view.Object))
.Verifiable();
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var result = new ViewViewComponentResult
{
ViewEngine = viewEngine.Object,
ViewData = viewData,
TempData = _tempDataDictionary,
};
var adapter = new TestDiagnosticListener();
var viewComponentContext = GetViewComponentContext(view.Object, viewData, adapter);
// Act
result.Execute(viewComponentContext);
// Assert
viewEngine.Verify();
view.Verify();
Assert.NotNull(adapter.ViewComponentBeforeViewExecute?.ActionDescriptor);
Assert.NotNull(adapter.ViewComponentBeforeViewExecute?.ViewComponentContext);
Assert.NotNull(adapter.ViewComponentBeforeViewExecute?.View);
Assert.NotNull(adapter.ViewComponentAfterViewExecute?.ActionDescriptor);
Assert.NotNull(adapter.ViewComponentAfterViewExecute?.ViewComponentContext);
Assert.NotNull(adapter.ViewComponentAfterViewExecute?.View);
}
private static ViewComponentContext GetViewComponentContext(IView view, ViewDataDictionary viewData, object diagnosticListener = null)
{
var diagnosticSource = new DiagnosticListener("Microsoft.AspNet");
if (diagnosticListener == null)
{
diagnosticListener = new TestDiagnosticListener();
}
diagnosticSource.SubscribeWithAdapter(diagnosticListener);
var serviceProvider = new Mock<IServiceProvider>();
serviceProvider.Setup(s => s.GetService(typeof(DiagnosticSource))).Returns(diagnosticSource);
var httpContext = new DefaultHttpContext();
httpContext.RequestServices = serviceProvider.Object;
var actionContext = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
var viewContext = new ViewContext(
actionContext,
view,
viewData,
new TempDataDictionary(new HttpContextAccessor(), new SessionStateTempDataProvider()),
TextWriter.Null,
new HtmlHelperOptions());
var viewComponentDescriptor = new ViewComponentDescriptor()
{
Type = typeof(object),
};
var viewComponentContext = new ViewComponentContext(
viewComponentDescriptor,
new object[0],
viewContext,
TextWriter.Null);
return viewComponentContext;
}
