public async Task ExecuteAsync_ThrowsIfPartialViewCannotBeFound()
{
// Arrange
var expected = string.Join(Environment.NewLine,
"The view 'Components/Invoke/some-view' was not found. The following locations were searched:",
"view-location1",
"view-location2",
"view-location3",
"view-location4");
var view = Mock.Of <IView>();
var viewEngine = new Mock <IViewEngine>(MockBehavior.Strict);
viewEngine
.Setup(v => v.GetView(/*executingFilePath*/ null, "some-view", /*isMainPage*/ false))
.Returns(ViewEngineResult.NotFound("some-view", new[] { "view-location1", "view-location2" }))
.Verifiable();
viewEngine
.Setup(v => v.FindView(It.IsAny <ActionContext>(), "Components/Invoke/some-view", /*isMainPage*/ false))
.Returns(ViewEngineResult.NotFound(
"Components/Invoke/some-view",
new[] { "view-location3", "view-location4" }))
.Verifiable();
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var result = new ViewViewComponentResult
{
ViewEngine = viewEngine.Object,
ViewName = "some-view",
ViewData = viewData,
TempData = _tempDataDictionary,
};
var viewComponentContext = GetViewComponentContext(view, viewData);
// Act and Assert
var ex = await Assert.ThrowsAsync <InvalidOperationException>(
() => result.ExecuteAsync(viewComponentContext));
Assert.Equal(expected, ex.Message);
}
public async Task ExecuteAsync_RendersPartialViews()
{
// Arrange
var view = Mock.Of <IView>();
var viewEngine = new Mock <IViewEngine>(MockBehavior.Strict);
viewEngine.Setup(e => e.FindPartialView(It.IsAny <ActionContext>(), It.IsAny <string>()))
.Returns(ViewEngineResult.Found("some-view", view))
.Verifiable();
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var result = new ViewViewComponentResult(viewEngine.Object, "some-view", viewData);
var viewComponentContext = GetViewComponentContext(view, viewData);
// Act
await result.ExecuteAsync(viewComponentContext);
// Assert
viewEngine.Verify();
}
public async Task ExecuteAsync_ResolvesViewEngineFromServiceProvider_IfNoViewEngineIsExplicitlyProvided()
{
// Arrange
var view = Mock.Of <IView>();
var viewEngine = new Mock <ICompositeViewEngine>(MockBehavior.Strict);
viewEngine
.Setup(v => v.GetView(/*executingFilePath*/ null, "some-view", /*isMainPage*/ false))
.Returns(ViewEngineResult.NotFound("some-view", Enumerable.Empty <string>()))
.Verifiable();
viewEngine
.Setup(v => v.FindView(It.IsAny <ActionContext>(), "Components/Invoke/some-view", /*isMainPage*/ false))
.Returns(ViewEngineResult.Found("Components/Invoke/some-view", view))
.Verifiable();
var serviceProvider = new Mock <IServiceProvider>();
serviceProvider.Setup(p => p.GetService(typeof(ICompositeViewEngine)))
.Returns(viewEngine.Object);
serviceProvider.Setup(p => p.GetService(typeof(DiagnosticSource)))
.Returns(new DiagnosticListener("Test"));
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var result = new ViewViewComponentResult
{
ViewName = "some-view",
ViewData = viewData,
TempData = _tempDataDictionary,
};
var viewComponentContext = GetViewComponentContext(view, viewData);
viewComponentContext.ViewContext.HttpContext.RequestServices = serviceProvider.Object;
// Act
await result.ExecuteAsync(viewComponentContext);
// Assert
viewEngine.Verify();
serviceProvider.Verify();
}
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);
}
public void Execute_DoesNotWrapThrownExceptionsInAggregateExceptions()
{
// Arrange
var expected = new IndexOutOfRangeException();
var view = new Mock <IView>();
view.Setup(v => v.RenderAsync(It.IsAny <ViewContext>()))
.Throws(expected)
.Verifiable();
var viewEngine = new Mock <IViewEngine>(MockBehavior.Strict);
viewEngine
.Setup(v => v.GetView(/*executingFilePath*/ null, "some-view", /*isMainPage*/ false))
.Returns(ViewEngineResult.NotFound("some-view", Enumerable.Empty <string>()))
.Verifiable();
viewEngine
.Setup(v => v.FindView(It.IsAny <ActionContext>(), "Components/Invoke/some-view", /*isMainPage*/ false))
.Returns(ViewEngineResult.Found("Components/Invoke/some-view", view.Object))
.Verifiable();
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var result = new ViewViewComponentResult
{
ViewEngine = viewEngine.Object,
ViewName = "some-view",
ViewData = viewData,
TempData = _tempDataDictionary,
};
var viewComponentContext = GetViewComponentContext(view.Object, viewData);
// Act
var actual = Record.Exception(() => result.Execute(viewComponentContext));
// Assert
Assert.Same(expected, actual);
view.Verify();
}
public void Execute_CallsFindPartialView_WithExpectedPath()
{
// Arrange
var viewEngine = new Mock <ICompositeViewEngine>(MockBehavior.Strict);
viewEngine
.Setup(v => v.FindPartialView(It.IsAny <ActionContext>(),
It.Is <string>(view => view.Contains("Components"))))
.Returns(ViewEngineResult.Found(string.Empty, new Mock <IView>().Object))
.Verifiable();
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var componentContext = GetViewComponentContext(new Mock <IView>().Object, viewData);
var componentResult = new ViewViewComponentResult();
componentResult.ViewEngine = viewEngine.Object;
componentResult.ViewData = viewData;
// Act & Assert
componentResult.Execute(componentContext);
viewEngine.Verify();
}
public void Execute_ThrowsIfPartialViewCannotBeFound()
{
// Arrange
var expected = string.Join(Environment.NewLine,
"The view 'Components/Object/some-view' was not found. The following locations were searched:",
"location1",
"location2.");
var view = Mock.Of <IView>();
var viewEngine = new Mock <IViewEngine>(MockBehavior.Strict);
viewEngine.Setup(e => e.FindPartialView(It.IsAny <ActionContext>(), It.IsAny <string>()))
.Returns(ViewEngineResult.NotFound("some-view", new[] { "location1", "location2" }))
.Verifiable();
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var result = new ViewViewComponentResult(viewEngine.Object, "some-view", viewData);
var viewComponentContext = GetViewComponentContext(view, viewData);
// Act and Assert
var ex = Assert.Throws <InvalidOperationException>(() => result.Execute(viewComponentContext));
Assert.Equal(expected, ex.Message);
}
public void Execute_RendersPartialViews()
{
// Arrange
var view = new Mock <IView>();
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.GetView(/*executingFilePath*/ null, "some-view", /*isMainPage*/ false))
.Returns(ViewEngineResult.NotFound("some-view", Enumerable.Empty <string>()))
.Verifiable();
viewEngine
.Setup(v => v.FindView(It.IsAny <ActionContext>(), "Components/Invoke/some-view", /*isMainPage*/ false))
.Returns(ViewEngineResult.Found("Components/Invoke/some-view", view.Object))
.Verifiable();
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var result = new ViewViewComponentResult
{
ViewEngine = viewEngine.Object,
ViewName = "some-view",
ViewData = viewData,
TempData = _tempDataDictionary,
};
var viewComponentContext = GetViewComponentContext(view.Object, viewData);
// Act
result.Execute(viewComponentContext);
// Assert
viewEngine.Verify();
view.Verify();
}
public async Task ExecuteAsync_ThrowsIfPartialViewCannotBeFound()
{
// Arrange
var expected =
@"The view 'Components/Object/some-view' was not found. The following locations were searched:
foo
bar.";
var view = Mock.Of <IView>();
var viewEngine = new Mock <IViewEngine>(MockBehavior.Strict);
viewEngine.Setup(e => e.FindPartialView(It.IsAny <ActionContext>(), It.IsAny <string>()))
.Returns(ViewEngineResult.NotFound("some-view", new[] { "foo", "bar" }))
.Verifiable();
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var result = new ViewViewComponentResult(viewEngine.Object, "some-view", viewData);
var viewComponentContext = GetViewComponentContext(view, viewData);
// Act and Assert
var ex = await Assert.ThrowsAsync <InvalidOperationException>(
async() => await result.ExecuteAsync(viewComponentContext));
Assert.Equal(expected, ex.Message);
}
public void Execute_CallsFindPartialView_WithExpectedPath_WhenViewNameIsSpecified(string viewName)
{
// Arrange
var viewEngine = new Mock <ICompositeViewEngine>(MockBehavior.Strict);
viewEngine
.Setup(v => v.FindPartialView(It.IsAny <ActionContext>(), viewName))
.Returns(ViewEngineResult.Found(string.Empty, new Mock <IView>().Object))
.Verifiable();
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var componentContext = GetViewComponentContext(new Mock <IView>().Object, viewData);
var componentResult = new ViewViewComponentResult
{
ViewEngine = viewEngine.Object,
ViewData = viewData,
ViewName = viewName,
TempData = _tempDataDictionary,
};
// Act & Assert
componentResult.Execute(componentContext);
viewEngine.Verify();
}
public void Execute_RendersPartialViews()
{
// Arrange
var view = new Mock <IView>();
view.Setup(v => v.RenderAsync(It.IsAny <ViewContext>()))
.Returns(Task.FromResult(result: true))
.Verifiable();
var viewEngine = new Mock <IViewEngine>(MockBehavior.Strict);
viewEngine.Setup(e => e.FindPartialView(It.IsAny <ActionContext>(), It.IsAny <string>()))
.Returns(ViewEngineResult.Found("some-view", view.Object))
.Verifiable();
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var result = new ViewViewComponentResult(viewEngine.Object, "some-view", viewData);
var viewComponentContext = GetViewComponentContext(view.Object, viewData);
// Act
result.Execute(viewComponentContext);
// Assert
viewEngine.Verify();
view.Verify();
}
public async Task ExecuteAsync_ResolvesViewEngineFromServiceProvider_IfNoViewEngineIsExplicitlyProvided()
{
// Arrange
var view = Mock.Of <IView>();
var viewEngine = new Mock <ICompositeViewEngine>(MockBehavior.Strict);
viewEngine.Setup(e => e.FindPartialView(It.IsAny <ActionContext>(), It.IsAny <string>()))
.Returns(ViewEngineResult.Found("some-view", view))
.Verifiable();
var serviceProvider = new Mock <IServiceProvider>();
serviceProvider.Setup(p => p.GetService(typeof(ICompositeViewEngine)))
.Returns(viewEngine.Object);
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider());
var result = new ViewViewComponentResult
{
ViewName = "some-view",
ViewData = viewData,
TempData = _tempDataDictionary,
};
var viewComponentContext = GetViewComponentContext(view, viewData);
viewComponentContext.ViewContext.HttpContext.RequestServices = serviceProvider.Object;
// Act
await result.ExecuteAsync(viewComponentContext);
// Assert
viewEngine.Verify();
serviceProvider.Verify();
}
