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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Threading;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Async.Test
{
public class AsyncControllerActionInvokerTest
{
[Fact]
public void InvokeAction_ActionNotFound()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act
IAsyncResult asyncResult = invoker.BeginInvokeAction(controllerContext, "ActionNotFound", null, null);
bool retVal = invoker.EndInvokeAction(asyncResult);
// Assert
Assert.False(retVal);
}
[Fact]
public void InvokeAction_ActionThrowsException_Handled()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act & assert
IAsyncResult asyncResult = invoker.BeginInvokeAction(controllerContext, "ActionThrowsExceptionAndIsHandled", null, null);
Assert.Null(((TestController)controllerContext.Controller).Log); // Result filter shouldn't have executed yet
bool retVal = invoker.EndInvokeAction(asyncResult);
Assert.True(retVal);
Assert.Equal("From exception filter", ((TestController)controllerContext.Controller).Log);
}
[Fact]
public void InvokeAction_ActionThrowsException_NotHandled()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act & assert
Assert.Throws<Exception>(
delegate { invoker.BeginInvokeAction(controllerContext, "ActionThrowsExceptionAndIsNotHandled", null, null); },
@"Some exception text.");
}
[Fact]
public void InvokeAction_ActionThrowsException_ThreadAbort()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act & assert
Assert.Throws<ThreadAbortException>(
delegate { invoker.BeginInvokeAction(controllerContext, "ActionCallsThreadAbort", null, null); });
}
[Fact]
public void InvokeAction_AuthorizationFilterShortCircuits()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act
IAsyncResult asyncResult = invoker.BeginInvokeAction(controllerContext, "AuthorizationFilterShortCircuits", null, null);
bool retVal = invoker.EndInvokeAction(asyncResult);
// Assert
Assert.True(retVal);
Assert.Equal("From authorization filter", ((TestController)controllerContext.Controller).Log);
}
[Fact]
public void InvokeAction_NormalAction()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act
IAsyncResult asyncResult = invoker.BeginInvokeAction(controllerContext, "NormalAction", null, null);
bool retVal = invoker.EndInvokeAction(asyncResult);
// Assert
Assert.True(retVal);
Assert.Equal("From action", ((TestController)controllerContext.Controller).Log);
}
[Fact]
public void InvokeAction_OverrideFindAction()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvokerWithCustomFindAction();
// Act
IAsyncResult asyncResult = invoker.BeginInvokeAction(controllerContext, actionName: "Non-ExistantAction", callback: null, state: null);
bool retVal = invoker.EndInvokeAction(asyncResult);
// Assert
Assert.True(retVal);
Assert.Equal("From action", ((TestController)controllerContext.Controller).Log);
}
[Fact]
public void InvokeAction_RequestValidationFails()
{
// Arrange
ControllerContext controllerContext = GetControllerContext(passesRequestValidation: false);
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act & assert
Assert.Throws<HttpRequestValidationException>(
delegate { invoker.BeginInvokeAction(controllerContext, "NormalAction", null, null); });
}
[Fact]
public void InvokeAction_ResultThrowsException_Handled()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act & assert
IAsyncResult asyncResult = invoker.BeginInvokeAction(controllerContext, "ResultThrowsExceptionAndIsHandled", null, null);
bool retVal = invoker.EndInvokeAction(asyncResult);
Assert.True(retVal);
Assert.Equal("From exception filter", ((TestController)controllerContext.Controller).Log);
}
[Fact]
public void InvokeAction_ResultThrowsException_NotHandled()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act & assert
IAsyncResult asyncResult = invoker.BeginInvokeAction(controllerContext, "ResultThrowsExceptionAndIsNotHandled", null, null);
Assert.Throws<Exception>(
delegate { invoker.EndInvokeAction(asyncResult); },
@"Some exception text.");
}
[Fact]
public void InvokeAction_ResultThrowsException_ThreadAbort()
{
// Arrange
ControllerContext controllerContext = GetControllerContext();
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act & assert
IAsyncResult asyncResult = invoker.BeginInvokeAction(controllerContext, "ResultCallsThreadAbort", null, null);
Assert.Throws<ThreadAbortException>(
delegate { invoker.EndInvokeAction(asyncResult); });
}
[Fact]
public void InvokeAction_ThrowsIfActionNameIsEmpty()
{
// Arrange
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act & assert
Assert.ThrowsArgumentNullOrEmpty(
delegate { invoker.BeginInvokeAction(new ControllerContext(), "", null, null); }, "actionName");
}
[Fact]
public void InvokeAction_ThrowsIfActionNameIsNull()
{
// Arrange
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act & assert
Assert.ThrowsArgumentNullOrEmpty(
delegate { invoker.BeginInvokeAction(new ControllerContext(), null, null, null); }, "actionName");
}
[Fact]
public void InvokeAction_ThrowsIfControllerContextIsNull()
{
// Arrange
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act & assert
Assert.ThrowsArgumentNull(
delegate { invoker.BeginInvokeAction(null, "someAction", null, null); }, "controllerContext");
}
[Fact]
public void InvokeActionMethod_AsynchronousDescriptor()
{
// Arrange
ControllerContext controllerContext = new ControllerContext();
Dictionary<string, object> parameters = new Dictionary<string, object>();
IAsyncResult innerAsyncResult = new MockAsyncResult();
ActionResult expectedResult = new ViewResult();
Mock<AsyncActionDescriptor> mockActionDescriptor = new Mock<AsyncActionDescriptor>();
mockActionDescriptor.Setup(d => d.BeginExecute(controllerContext, parameters, It.IsAny<AsyncCallback>(), It.IsAny<object>())).Returns(innerAsyncResult);
mockActionDescriptor.Setup(d => d.EndExecute(innerAsyncResult)).Returns(expectedResult);
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act
IAsyncResult asyncResult = invoker.BeginInvokeActionMethod(controllerContext, mockActionDescriptor.Object, parameters, null, null);
ActionResult returnedResult = invoker.EndInvokeActionMethod(asyncResult);
// Assert
Assert.Equal(expectedResult, returnedResult);
}
[Fact]
public void InvokeActionMethod_SynchronousDescriptor()
{
// Arrange
ControllerContext controllerContext = new ControllerContext();
Dictionary<string, object> parameters = new Dictionary<string, object>();
ActionResult expectedResult = new ViewResult();
Mock<ActionDescriptor> mockActionDescriptor = new Mock<ActionDescriptor>();
mockActionDescriptor.Setup(d => d.Execute(controllerContext, parameters)).Returns(expectedResult);
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
// Act
IAsyncResult asyncResult = invoker.BeginInvokeActionMethod(controllerContext, mockActionDescriptor.Object, parameters, null, null);
ActionResult returnedResult = invoker.EndInvokeActionMethod(asyncResult);
// Assert
Assert.Equal(expectedResult, returnedResult);
}
[Fact]
public void InvokeActionMethodFilterAsynchronously_NextInChainThrowsOnActionExecutedException_Handled()
{
// Arrange
ViewResult expectedResult = new ViewResult();
bool nextInChainWasCalled = false;
bool onActionExecutedWasCalled = false;
ActionExecutingContext preContext = GetActionExecutingContext();
ActionFilterImpl actionFilter = new ActionFilterImpl()
{
OnActionExecutedImpl = filterContext =>
{
onActionExecutedWasCalled = true;
Assert.NotNull(filterContext.Exception);
filterContext.ExceptionHandled = true;
filterContext.Result = expectedResult;
}
};
// Act & assert pre-execution
Func<ActionExecutedContext> continuation = AsyncControllerActionInvoker.InvokeActionMethodFilterAsynchronously(
actionFilter, preContext,
() => () =>
{
nextInChainWasCalled = true;
throw new Exception("Some exception text.");
});
Assert.False(onActionExecutedWasCalled);
// Act & assert post-execution
ActionExecutedContext postContext = continuation();
Assert.True(nextInChainWasCalled);
Assert.True(onActionExecutedWasCalled);
Assert.Equal(expectedResult, postContext.Result);
}
[Fact]
public void InvokeActionMethodFilterAsynchronously_NextInChainThrowsOnActionExecutedException_NotHandled()
{
// Arrange
ViewResult expectedResult = new ViewResult();
bool onActionExecutedWasCalled = false;
ActionExecutingContext preContext = GetActionExecutingContext();
ActionFilterImpl actionFilter = new ActionFilterImpl()
{
OnActionExecutedImpl = filterContext => { onActionExecutedWasCalled = true; }
};
// Act & assert
Func<ActionExecutedContext> continuation = AsyncControllerActionInvoker.InvokeActionMethodFilterAsynchronously(actionFilter, preContext,
() => () => { throw new Exception("Some exception text."); });
Assert.Throws<Exception>(
delegate { continuation(); },
@"Some exception text.");
// Assert
Assert.True(onActionExecutedWasCalled);
}
[Fact]
public void InvokeActionMethodFilterAsynchronously_NextInChainThrowsOnActionExecutedException_ThreadAbort()
{
// Arrange
ViewResult expectedResult = new ViewResult();
bool onActionExecutedWasCalled = false;
ActionExecutingContext preContext = GetActionExecutingContext();
ActionFilterImpl actionFilter = new ActionFilterImpl()
{
OnActionExecutedImpl = filterContext =>
{
onActionExecutedWasCalled = true;
Thread.ResetAbort();
}
};
// Act & assert
Func<ActionExecutedContext> continuation = AsyncControllerActionInvoker.InvokeActionMethodFilterAsynchronously(
actionFilter, preContext,
() => () =>
{
Thread.CurrentThread.Abort();
return null;
});
Assert.Throws<ThreadAbortException>(
delegate { continuation(); });
// Assert
Assert.True(onActionExecutedWasCalled);
}
[Fact]
public void InvokeActionMethodFilterAsynchronously_NextInChainThrowsOnActionExecutingException_Handled()
{
// Arrange
ViewResult expectedResult = new ViewResult();
bool nextInChainWasCalled = false;
bool onActionExecutingWasCalled = false;
bool onActionExecutedWasCalled = false;
ActionExecutingContext preContext = GetActionExecutingContext();
ActionFilterImpl actionFilter = new ActionFilterImpl()
{
OnActionExecutingImpl = filterContext => { onActionExecutingWasCalled = true; },
OnActionExecutedImpl = filterContext =>
{
onActionExecutedWasCalled = true;
Assert.NotNull(filterContext.Exception);
filterContext.ExceptionHandled = true;
filterContext.Result = expectedResult;
}
};
// Act
Func<ActionExecutedContext> continuation = AsyncControllerActionInvoker.InvokeActionMethodFilterAsynchronously(
actionFilter, preContext,
() =>
{
nextInChainWasCalled = true;
throw new Exception("Some exception text.");
});
// Assert
Assert.True(nextInChainWasCalled);
Assert.True(onActionExecutingWasCalled);
Assert.True(onActionExecutedWasCalled);
ActionExecutedContext postContext = continuation();
Assert.Equal(expectedResult, postContext.Result);
}
[Fact]
public void InvokeActionMethodFilterAsynchronously_NextInChainThrowsOnActionExecutingException_NotHandled()
{
// Arrange
ViewResult expectedResult = new ViewResult();
bool nextInChainWasCalled = false;
bool onActionExecutingWasCalled = false;
bool onActionExecutedWasCalled = false;
ActionExecutingContext preContext = GetActionExecutingContext();
ActionFilterImpl actionFilter = new ActionFilterImpl()
{
OnActionExecutingImpl = filterContext => { onActionExecutingWasCalled = true; },
OnActionExecutedImpl = filterContext => { onActionExecutedWasCalled = true; }
};
// Act & assert
Assert.Throws<Exception>(
delegate
{
AsyncControllerActionInvoker.InvokeActionMethodFilterAsynchronously(
actionFilter, preContext,
() =>
{
nextInChainWasCalled = true;
throw new Exception("Some exception text.");
});
},
@"Some exception text.");
// Assert
Assert.True(nextInChainWasCalled);
Assert.True(onActionExecutingWasCalled);
Assert.True(onActionExecutedWasCalled);
}
[Fact]
public void InvokeActionMethodFilterAsynchronously_NextInChainThrowsOnActionExecutingException_ThreadAbort()
{
// Arrange
ViewResult expectedResult = new ViewResult();
bool nextInChainWasCalled = false;
bool onActionExecutingWasCalled = false;
bool onActionExecutedWasCalled = false;
ActionExecutingContext preContext = GetActionExecutingContext();
ActionFilterImpl actionFilter = new ActionFilterImpl()
{
OnActionExecutingImpl = filterContext => { onActionExecutingWasCalled = true; },
OnActionExecutedImpl = filterContext =>
{
onActionExecutedWasCalled = true;
Thread.ResetAbort();
}
};
// Act & assert
Assert.Throws<ThreadAbortException>(
delegate
{
AsyncControllerActionInvoker.InvokeActionMethodFilterAsynchronously(
actionFilter, preContext,
() =>
{
nextInChainWasCalled = true;
Thread.CurrentThread.Abort();
return null;
});
});
// Assert
Assert.True(nextInChainWasCalled);
Assert.True(onActionExecutingWasCalled);
Assert.True(onActionExecutedWasCalled);
}
[Fact]
public void InvokeActionMethodFilterAsynchronously_NormalExecutionNotCanceled()
{
// Arrange
bool nextInChainWasCalled = false;
bool onActionExecutingWasCalled = false;
bool onActionExecutedWasCalled = false;
ActionExecutingContext preContext = GetActionExecutingContext();
ActionFilterImpl actionFilter = new ActionFilterImpl()
{
OnActionExecutingImpl = _ => { onActionExecutingWasCalled = true; },
OnActionExecutedImpl = _ => { onActionExecutedWasCalled = true; }
};
// Act
Func<ActionExecutedContext> continuation = AsyncControllerActionInvoker.InvokeActionMethodFilterAsynchronously(
actionFilter, preContext,
() =>
{
nextInChainWasCalled = true;
return () => new ActionExecutedContext();
});
// Assert
Assert.True(nextInChainWasCalled);
Assert.True(onActionExecutingWasCalled);
Assert.False(onActionExecutedWasCalled);
continuation();
Assert.True(onActionExecutedWasCalled);
}
[Fact]
public void InvokeActionMethodFilterAsynchronously_OnActionExecutingSetsResult()
{
// Arrange
ViewResult expectedResult = new ViewResult();
bool nextInChainWasCalled = false;
bool onActionExecutingWasCalled = false;
bool onActionExecutedWasCalled = false;
ActionExecutingContext preContext = GetActionExecutingContext();
ActionFilterImpl actionFilter = new ActionFilterImpl()
{
OnActionExecutingImpl = filterContext =>
{
onActionExecutingWasCalled = true;
filterContext.Result = expectedResult;
},
OnActionExecutedImpl = _ => { onActionExecutedWasCalled = true; }
};
// Act
Func<ActionExecutedContext> continuation = AsyncControllerActionInvoker.InvokeActionMethodFilterAsynchronously(
actionFilter, preContext,
() =>
{
nextInChainWasCalled = true;
return () => new ActionExecutedContext();
});
// Assert
Assert.False(nextInChainWasCalled);
Assert.True(onActionExecutingWasCalled);
Assert.False(onActionExecutedWasCalled);
ActionExecutedContext postContext = continuation();
Assert.False(onActionExecutedWasCalled);
Assert.Equal(expectedResult, postContext.Result);
}
[Fact]
public void InvokeActionMethodWithFilters()
{
// Arrange
List<string> actionLog = new List<string>();
ControllerContext controllerContext = new ControllerContext();
Dictionary<string, object> parameters = new Dictionary<string, object>();
MockAsyncResult innerAsyncResult = new MockAsyncResult();
ActionResult actionResult = new ViewResult();
ActionFilterImpl filter1 = new ActionFilterImpl()
{
OnActionExecutingImpl = delegate(ActionExecutingContext filterContext) { actionLog.Add("OnActionExecuting1"); },
OnActionExecutedImpl = delegate(ActionExecutedContext filterContext) { actionLog.Add("OnActionExecuted1"); }
};
ActionFilterImpl filter2 = new ActionFilterImpl()
{
OnActionExecutingImpl = delegate(ActionExecutingContext filterContext) { actionLog.Add("OnActionExecuting2"); },
OnActionExecutedImpl = delegate(ActionExecutedContext filterContext) { actionLog.Add("OnActionExecuted2"); }
};
Mock<AsyncActionDescriptor> mockActionDescriptor = new Mock<AsyncActionDescriptor>();
mockActionDescriptor.Setup(d => d.BeginExecute(controllerContext, parameters, It.IsAny<AsyncCallback>(), It.IsAny<object>())).Returns(innerAsyncResult);
mockActionDescriptor.Setup(d => d.EndExecute(innerAsyncResult)).Returns(actionResult);
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
IActionFilter[] filters = new IActionFilter[] { filter1, filter2 };
// Act
IAsyncResult outerAsyncResult = invoker.BeginInvokeActionMethodWithFilters(controllerContext, filters, mockActionDescriptor.Object, parameters, null, null);
ActionExecutedContext postContext = invoker.EndInvokeActionMethodWithFilters(outerAsyncResult);
// Assert
Assert.Equal(new[] { "OnActionExecuting1", "OnActionExecuting2", "OnActionExecuted2", "OnActionExecuted1" }, actionLog.ToArray());
Assert.Equal(actionResult, postContext.Result);
}
[Fact]
public void InvokeActionMethodWithFilters_ShortCircuited()
{
// Arrange
List<string> actionLog = new List<string>();
ControllerContext controllerContext = new ControllerContext();
Dictionary<string, object> parameters = new Dictionary<string, object>();
ActionResult actionResult = new ViewResult();
ActionFilterImpl filter1 = new ActionFilterImpl()
{
OnActionExecutingImpl = delegate(ActionExecutingContext filterContext) { actionLog.Add("OnActionExecuting1"); },
OnActionExecutedImpl = delegate(ActionExecutedContext filterContext) { actionLog.Add("OnActionExecuted1"); }
};
ActionFilterImpl filter2 = new ActionFilterImpl()
{
OnActionExecutingImpl = delegate(ActionExecutingContext filterContext)
{
actionLog.Add("OnActionExecuting2");
filterContext.Result = actionResult;
},
OnActionExecutedImpl = delegate(ActionExecutedContext filterContext) { actionLog.Add("OnActionExecuted2"); }
};
Mock<AsyncActionDescriptor> mockActionDescriptor = new Mock<AsyncActionDescriptor>();
mockActionDescriptor.Setup(d => d.BeginExecute(controllerContext, parameters, It.IsAny<AsyncCallback>(), It.IsAny<object>())).Throws(new Exception("I shouldn't have been called."));
mockActionDescriptor.Setup(d => d.EndExecute(It.IsAny<IAsyncResult>())).Throws(new Exception("I shouldn't have been called."));
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
IActionFilter[] filters = new IActionFilter[] { filter1, filter2 };
// Act
IAsyncResult outerAsyncResult = invoker.BeginInvokeActionMethodWithFilters(controllerContext, filters, mockActionDescriptor.Object, parameters, null, null);
ActionExecutedContext postContext = invoker.EndInvokeActionMethodWithFilters(outerAsyncResult);
// Assert
Assert.Equal(new[] { "OnActionExecuting1", "OnActionExecuting2", "OnActionExecuted1" }, actionLog.ToArray());
Assert.Equal(actionResult, postContext.Result);
}
private static ActionExecutingContext GetActionExecutingContext()
{
return new ActionExecutingContext(new ControllerContext(), new Mock<ActionDescriptor>().Object, new Dictionary<string, object>());
}
private static ControllerContext GetControllerContext(bool passesRequestValidation = true)
{
Mock<HttpContextBase> mockHttpContext = new Mock<HttpContextBase>();
if (passesRequestValidation)
{
#pragma warning disable 618
mockHttpContext.Setup(o => o.Request.ValidateInput()).AtMostOnce();
#pragma warning restore 618
}
else
{
mockHttpContext.Setup(o => o.Request.ValidateInput()).Throws(new HttpRequestValidationException());
}
return new ControllerContext()
{
Controller = new TestController(),
HttpContext = mockHttpContext.Object
};
}
private class ActionFilterImpl : IActionFilter, IResultFilter
{
public Action<ActionExecutingContext> OnActionExecutingImpl { get; set; }
public void OnActionExecuting(ActionExecutingContext filterContext)
{
if (OnActionExecutingImpl != null)
{
OnActionExecutingImpl(filterContext);
}
}
public Action<ActionExecutedContext> OnActionExecutedImpl { get; set; }
public void OnActionExecuted(ActionExecutedContext filterContext)
{
if (OnActionExecutedImpl != null)
{
OnActionExecutedImpl(filterContext);
}
}
public Action<ResultExecutingContext> OnResultExecutingImpl { get; set; }
public void OnResultExecuting(ResultExecutingContext filterContext)
{
if (OnResultExecutingImpl != null)
{
OnResultExecutingImpl(filterContext);
}
}
public Action<ResultExecutedContext> OnResultExecutedImpl { get; set; }
public void OnResultExecuted(ResultExecutedContext filterContext)
{
if (OnResultExecutedImpl != null)
{
OnResultExecutedImpl(filterContext);
}
}
}
public class AsyncControllerActionInvokerHelper : AsyncControllerActionInvoker
{
public AsyncControllerActionInvokerHelper()
{
DescriptorCache = new ControllerDescriptorCache();
}
protected override ControllerDescriptor GetControllerDescriptor(ControllerContext controllerContext)
{
return PublicGetControllerDescriptor(controllerContext);
}
public virtual ControllerDescriptor PublicGetControllerDescriptor(ControllerContext controllerContext)
{
return base.GetControllerDescriptor(controllerContext);
}
protected override ExceptionContext InvokeExceptionFilters(ControllerContext controllerContext, IList<IExceptionFilter> filters, Exception exception)
{
return PublicInvokeExceptionFilters(controllerContext, filters, exception);
}
public virtual ExceptionContext PublicInvokeExceptionFilters(ControllerContext controllerContext, IList<IExceptionFilter> filters, Exception exception)
{
return base.InvokeExceptionFilters(controllerContext, filters, exception);
}
protected override void InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult)
{
PublicInvokeActionResult(controllerContext, actionResult);
}
public virtual void PublicInvokeActionResult(ControllerContext controllerContext, ActionResult actionResult)
{
base.InvokeActionResult(controllerContext, actionResult);
}
protected override FilterInfo GetFilters(ControllerContext controllerContext, ActionDescriptor actionDescriptor)
{
return PublicGetFilters(controllerContext, actionDescriptor);
}
public virtual FilterInfo PublicGetFilters(ControllerContext controllerContext, ActionDescriptor actionDescriptor)
{
return base.GetFilters(controllerContext, actionDescriptor);
}
protected override AuthorizationContext InvokeAuthorizationFilters(ControllerContext controllerContext, IList<IAuthorizationFilter> filters, ActionDescriptor actionDescriptor)
{
return PublicInvokeAuthorizationFilters(controllerContext, filters, actionDescriptor);
}
public virtual AuthorizationContext PublicInvokeAuthorizationFilters(ControllerContext controllerContext, IList<IAuthorizationFilter> filters, ActionDescriptor actionDescriptor)
{
return base.InvokeAuthorizationFilters(controllerContext, filters, actionDescriptor);
}
protected override ActionDescriptor FindAction(ControllerContext controllerContext, ControllerDescriptor controllerDescriptor, string actionName)
{
return PublicFindAction(controllerContext, controllerDescriptor, actionName);
}
public virtual ActionDescriptor PublicFindAction(ControllerContext controllerContext, ControllerDescriptor controllerDescriptor, string actionName)
{
return base.FindAction(controllerContext, controllerDescriptor, actionName);
}
protected override IDictionary<string, object> GetParameterValues(ControllerContext controllerContext, ActionDescriptor actionDescriptor)
{
return PublicGetParameterValues(controllerContext, actionDescriptor);
}
public virtual IDictionary<string, object> PublicGetParameterValues(ControllerContext controllerContext, ActionDescriptor actionDescriptor)
{
return base.GetParameterValues(controllerContext, actionDescriptor);
}
}
public class AsyncControllerActionInvokerWithCustomFindAction : AsyncControllerActionInvoker
{
protected override ActionDescriptor FindAction(ControllerContext controllerContext, ControllerDescriptor controllerDescriptor, string actionName)
{
return base.FindAction(controllerContext, controllerDescriptor, "NormalAction");
}
}
[ResetThreadAbort]
private class TestController : AsyncController
{
public string Log;
public ActionResult ActionCallsThreadAbortAsync()
{
Thread.CurrentThread.Abort();
return null;
}
public ActionResult ActionCallsThreadAbortCompleted()
{
return null;
}
public ActionResult ResultCallsThreadAbort()
{
return new ActionResultWhichCallsThreadAbort();
}
public ActionResult NormalAction()
{
return new LoggingActionResult("From action");
}
[AuthorizationFilterReturnsResult]
public void AuthorizationFilterShortCircuits()
{
}
[CustomExceptionFilterHandlesError]
public void ActionThrowsExceptionAndIsHandledAsync()
{
throw new Exception("Some exception text.");
}
public void ActionThrowsExceptionAndIsHandledCompleted()
{
}
[CustomExceptionFilterDoesNotHandleError]
public void ActionThrowsExceptionAndIsNotHandledAsync()
{
throw new Exception("Some exception text.");
}
public void ActionThrowsExceptionAndIsNotHandledCompleted()
{
}
[CustomExceptionFilterHandlesError]
public ActionResult ResultThrowsExceptionAndIsHandled()
{
return new ActionResultWhichThrowsException();
}
[CustomExceptionFilterDoesNotHandleError]
public ActionResult ResultThrowsExceptionAndIsNotHandled()
{
return new ActionResultWhichThrowsException();
}
private class AuthorizationFilterReturnsResultAttribute : FilterAttribute, IAuthorizationFilter
{
public void OnAuthorization(AuthorizationContext filterContext)
{
filterContext.Result = new LoggingActionResult("From authorization filter");
}
}
private class CustomExceptionFilterDoesNotHandleErrorAttribute : FilterAttribute, IExceptionFilter
{
public void OnException(ExceptionContext filterContext)
{
}
}
private class CustomExceptionFilterHandlesErrorAttribute : FilterAttribute, IExceptionFilter
{
public void OnException(ExceptionContext filterContext)
{
filterContext.ExceptionHandled = true;
filterContext.Result = new LoggingActionResult("From exception filter");
}
}
private class ActionResultWhichCallsThreadAbort : ActionResult
{
public override void ExecuteResult(ControllerContext context)
{
Thread.CurrentThread.Abort();
}
}
private class ActionResultWhichThrowsException : ActionResult
{
public override void ExecuteResult(ControllerContext context)
{
throw new Exception("Some exception text.");
}
}
}
private class ResetThreadAbortAttribute : ActionFilterAttribute
{
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
try
{
Thread.ResetAbort();
}
catch (ThreadStateException)
{
// thread wasn't being aborted
}
}
public override void OnResultExecuted(ResultExecutedContext filterContext)
{
try
{
Thread.ResetAbort();
}
catch (ThreadStateException)
{
// thread wasn't being aborted
}
}
}
private class LoggingActionResult : ActionResult
{
private readonly string _logText;
public LoggingActionResult(string logText)
{
_logText = logText;
}
public override void ExecuteResult(ControllerContext context)
{
((TestController)context.Controller).Log = _logText;
}
}
}
}