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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc.ModelBinding;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.AspNetCore.Routing;
using Moq;
namespace Microsoft.AspNetCore.Mvc.Filters;
public class PageHandlerResultFilterTest
{
[Fact]
public async Task OnResultExecutionAsync_ExecutesAsyncFilters()
{
// Arrange
var pageContext = new PageContext(new ActionContext(
new DefaultHttpContext(),
new RouteData(),
new PageActionDescriptor(),
new ModelStateDictionary()));
var model = new Mock<PageModel>();
var modelAsFilter = model.As<IAsyncResultFilter>();
modelAsFilter
.Setup(f => f.OnResultExecutionAsync(It.IsAny<ResultExecutingContext>(), It.IsAny<ResultExecutionDelegate>()))
.Returns(Task.CompletedTask)
.Verifiable();
var resultExecutingContext = new ResultExecutingContext(
pageContext,
Array.Empty<IFilterMetadata>(),
new PageResult(),
model.Object);
var resultExecutedContext = new ResultExecutedContext(
pageContext,
Array.Empty<IFilterMetadata>(),
resultExecutingContext.Result,
model.Object);
ResultExecutionDelegate next = () => Task.FromResult(resultExecutedContext);
var pageHandlerResultFilter = new PageHandlerResultFilter();
// Act
await pageHandlerResultFilter.OnResultExecutionAsync(resultExecutingContext, next);
// Assert
modelAsFilter.Verify();
}
[Fact]
public async Task OnResultExecutionAsync_ExecutesSyncFilters()
{
// Arrange
var pageContext = new PageContext(new ActionContext(
new DefaultHttpContext(),
new RouteData(),
new PageActionDescriptor(),
new ModelStateDictionary()));
var model = new Mock<object>();
var modelAsFilter = model.As<IResultFilter>();
modelAsFilter
.Setup(f => f.OnResultExecuting(It.IsAny<ResultExecutingContext>()))
.Verifiable();
modelAsFilter
.Setup(f => f.OnResultExecuted(It.IsAny<ResultExecutedContext>()))
.Verifiable();
var resultExecutingContext = new ResultExecutingContext(
pageContext,
Array.Empty<IFilterMetadata>(),
new PageResult(),
model.Object);
var resultExecutedContext = new ResultExecutedContext(
pageContext,
Array.Empty<IFilterMetadata>(),
resultExecutingContext.Result,
model.Object);
ResultExecutionDelegate next = () => Task.FromResult(resultExecutedContext);
var pageHandlerResultFilter = new PageHandlerResultFilter();
// Act
await pageHandlerResultFilter.OnResultExecutionAsync(resultExecutingContext, next);
// Assert
modelAsFilter.Verify();
}
[Fact]
public async Task OnPageHandlerExecutionAsync_DoesNotInvokeResultExecuted_IfCancelled()
{
// Arrange
var pageContext = new PageContext(new ActionContext(
new DefaultHttpContext(),
new RouteData(),
new PageActionDescriptor(),
new ModelStateDictionary()));
var model = new Mock<object>();
var modelAsFilter = model.As<IResultFilter>();
modelAsFilter
.Setup(f => f.OnResultExecuting(It.IsAny<ResultExecutingContext>()))
.Callback((ResultExecutingContext context) => context.Cancel = true)
.Verifiable();
modelAsFilter
.Setup(f => f.OnResultExecuted(It.IsAny<ResultExecutedContext>()))
.Throws(new Exception("Shouldn't be called"));
var resultExecutingContext = new ResultExecutingContext(
pageContext,
Array.Empty<IFilterMetadata>(),
new PageResult(),
model.Object);
var resultExecutedContext = new ResultExecutedContext(
pageContext,
Array.Empty<IFilterMetadata>(),
resultExecutingContext.Result,
model.Object);
ResultExecutionDelegate next = () => Task.FromResult(resultExecutedContext);
var pageHandlerResultFilter = new PageHandlerResultFilter();
// Act
await pageHandlerResultFilter.OnResultExecutionAsync(resultExecutingContext, next);
// Assert
modelAsFilter.Verify();
}
[Fact]
public async Task OnPageHandlerExecutionAsync_InvokesNextDelegateIfHandlerDoesNotImplementFilter()
{
// Arrange
var pageContext = new PageContext(new ActionContext(
new DefaultHttpContext(),
new RouteData(),
new PageActionDescriptor(),
new ModelStateDictionary()));
var model = new object();
var resultExecutingContext = new ResultExecutingContext(
pageContext,
Array.Empty<IFilterMetadata>(),
new PageResult(),
model);
var resultExecutedContext = new ResultExecutedContext(
pageContext,
Array.Empty<IFilterMetadata>(),
resultExecutingContext.Result,
model);
var invoked = false;
ResultExecutionDelegate next = () =>
{
invoked = true;
return Task.FromResult(resultExecutedContext);
};
var pageHandlerResultFilter = new PageHandlerResultFilter();
// Act
await pageHandlerResultFilter.OnResultExecutionAsync(resultExecutingContext, next);
// Assert
Assert.True(invoked);
}
}
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