public async Task ExecuteExceptionFilterAsync_Traces()
{
// Arrange
HttpRequestMessage request = new HttpRequestMessage();
HttpResponseMessage response = new HttpResponseMessage();
Mock <IExceptionFilter> mockFilter = new Mock <IExceptionFilter>()
{
CallBase = true
};
mockFilter.Setup(f => f.ExecuteExceptionFilterAsync(It.IsAny <HttpActionExecutedContext>(), It.IsAny <CancellationToken>()))
.Returns(TaskHelpers.Completed());
HttpActionExecutedContext actionExecutedContext = ContextUtil.GetActionExecutedContext(request, response);
TestTraceWriter traceWriter = new TestTraceWriter();
ExceptionFilterTracer tracer = new ExceptionFilterTracer(mockFilter.Object, traceWriter);
TraceRecord[] expectedTraces = new TraceRecord[]
{
new TraceRecord(request, TraceCategories.FiltersCategory, TraceLevel.Info)
{
Kind = TraceKind.Begin, Operation = "ExecuteExceptionFilterAsync"
},
new TraceRecord(request, TraceCategories.FiltersCategory, TraceLevel.Info)
{
Kind = TraceKind.End, Operation = "ExecuteExceptionFilterAsync"
},
};
// Act
var filter = (IExceptionFilter)tracer;
await filter.ExecuteExceptionFilterAsync(actionExecutedContext, CancellationToken.None);
// Assert
Assert.Equal <TraceRecord>(expectedTraces, traceWriter.Traces, new TraceRecordComparer());
}
public void ExecuteExceptionFilterAsync_Throws_And_Traces_When_Inner_OnException_Throws()
{
// Arrange
HttpRequestMessage request = new HttpRequestMessage();
HttpResponseMessage response = new HttpResponseMessage();
Mock <ExceptionFilterAttribute> mockAttr = new Mock <ExceptionFilterAttribute>()
{
CallBase = true
};
InvalidOperationException exception = new InvalidOperationException("test");
mockAttr.Setup(a => a.OnException(It.IsAny <HttpActionExecutedContext>())).Callback(() => { throw exception; });
Mock <HttpActionDescriptor> mockActionDescriptor = new Mock <HttpActionDescriptor>()
{
CallBase = true
};
mockActionDescriptor.Setup(a => a.ActionName).Returns("test");
mockActionDescriptor.Setup(a => a.GetParameters()).Returns(new Collection <HttpParameterDescriptor>(new HttpParameterDescriptor[0]));
HttpActionExecutedContext actionExecutedContext = ContextUtil.GetActionExecutedContext(request, response);
TestTraceWriter traceWriter = new TestTraceWriter();
IExceptionFilter tracer = new ExceptionFilterAttributeTracer(mockAttr.Object, traceWriter) as IExceptionFilter;
TraceRecord[] expectedTraces = new TraceRecord[]
{
new TraceRecord(request, TraceCategories.FiltersCategory, TraceLevel.Info)
{
Kind = TraceKind.Begin, Operation = "OnExceptionAsync"
},
new TraceRecord(request, TraceCategories.FiltersCategory, TraceLevel.Error)
{
Kind = TraceKind.End, Operation = "OnExceptionAsync"
}
};
// Act
Exception thrown = null;
// We separate the task creation and the wait, to verify we don't throw at task creation
// and that the exception flows inside the task (even if an Aggregate Exception was thrown).
var task = tracer.ExecuteExceptionFilterAsync(actionExecutedContext, CancellationToken.None);
try
{
task.Wait();
}
catch (AggregateException ex)
{
Assert.Equal(1, ex.InnerExceptions.Count);
thrown = ex.InnerException;
}
// Assert
Assert.Same(exception, thrown);
Assert.Same(exception, traceWriter.Traces[1].Exception);
Assert.Equal <TraceRecord>(expectedTraces, traceWriter.Traces, new TraceRecordComparer());
}
public async Task ExecuteExceptionFilterAsync_Traces()
{
// Arrange
HttpRequestMessage request = new HttpRequestMessage();
HttpResponseMessage response = new HttpResponseMessage();
Mock <ExceptionFilterAttribute> mockAttr = new Mock <ExceptionFilterAttribute>()
{
CallBase = true
};
Mock <HttpActionDescriptor> mockActionDescriptor = new Mock <HttpActionDescriptor>()
{
CallBase = true
};
mockActionDescriptor.Setup(a => a.ActionName).Returns("test");
mockActionDescriptor
.Setup(a => a.GetParameters())
.Returns(new Collection <HttpParameterDescriptor>(new HttpParameterDescriptor[0]));
HttpActionExecutedContext actionExecutedContext = ContextUtil.GetActionExecutedContext(
request,
response
);
TestTraceWriter traceWriter = new TestTraceWriter();
ExceptionFilterAttributeTracer tracer = new ExceptionFilterAttributeTracer(
mockAttr.Object,
traceWriter
);
TraceRecord[] expectedTraces = new TraceRecord[]
{
new TraceRecord(request, TraceCategories.FiltersCategory, TraceLevel.Info)
{
Kind = TraceKind.Begin,
Operation = "OnExceptionAsync"
},
new TraceRecord(request, TraceCategories.FiltersCategory, TraceLevel.Info)
{
Kind = TraceKind.End,
Operation = "OnExceptionAsync"
},
};
// Act
var filter = (IExceptionFilter)tracer;
await filter.ExecuteExceptionFilterAsync(actionExecutedContext, CancellationToken.None);
// Assert
Assert.Equal <TraceRecord>(
expectedTraces,
traceWriter.Traces,
new TraceRecordComparer()
);
}
public void ExecuteExceptionFilterAsync_Throws_And_Traces_When_Inner_OnException_Throws()
{
// Arrange
HttpRequestMessage request = new HttpRequestMessage();
HttpResponseMessage response = new HttpResponseMessage();
Mock <ExceptionFilterAttribute> mockAttr = new Mock <ExceptionFilterAttribute>()
{
CallBase = true
};
InvalidOperationException exception = new InvalidOperationException("test");
mockAttr.Setup(a => a.OnException(It.IsAny <HttpActionExecutedContext>())).Throws(exception);
Mock <HttpActionDescriptor> mockActionDescriptor = new Mock <HttpActionDescriptor>()
{
CallBase = true
};
mockActionDescriptor.Setup(a => a.ActionName).Returns("test");
mockActionDescriptor.Setup(a => a.GetParameters()).Returns(new Collection <HttpParameterDescriptor>(new HttpParameterDescriptor[0]));
HttpActionExecutedContext actionExecutedContext = ContextUtil.GetActionExecutedContext(request, response);
TestTraceWriter traceWriter = new TestTraceWriter();
ExceptionFilterAttributeTracer tracer = new ExceptionFilterAttributeTracer(mockAttr.Object, traceWriter);
TraceRecord[] expectedTraces = new TraceRecord[]
{
new TraceRecord(request, TraceCategories.FiltersCategory, TraceLevel.Info)
{
Kind = TraceKind.Begin, Operation = "OnException"
},
new TraceRecord(request, TraceCategories.FiltersCategory, TraceLevel.Error)
{
Kind = TraceKind.End, Operation = "OnException"
}
};
// Act
Exception thrown =
Assert.Throws <InvalidOperationException>(
() => ((IExceptionFilter)tracer).ExecuteExceptionFilterAsync(actionExecutedContext, CancellationToken.None));
// Assert
Assert.Same(exception, thrown);
Assert.Same(exception, traceWriter.Traces[1].Exception);
Assert.Equal <TraceRecord>(expectedTraces, traceWriter.Traces, new TraceRecordComparer());
}
public void ExecuteExceptionFilterAsync_Faults_And_Traces_When_Inner_Faults()
{
// Arrange
HttpRequestMessage request = new HttpRequestMessage();
HttpResponseMessage response = new HttpResponseMessage();
Mock <IExceptionFilter> mockFilter = new Mock <IExceptionFilter>()
{
CallBase = true
};
InvalidOperationException exception = new InvalidOperationException("test");
TaskCompletionSource <object> tcs = new TaskCompletionSource <object>(null);
tcs.TrySetException(exception);
mockFilter.Setup(a => a.ExecuteExceptionFilterAsync(It.IsAny <HttpActionExecutedContext>(), It.IsAny <CancellationToken>())).Returns(tcs.Task);
HttpActionExecutedContext actionExecutedContext = ContextUtil.GetActionExecutedContext(request, response);
TestTraceWriter traceWriter = new TestTraceWriter();
ExceptionFilterTracer tracer = new ExceptionFilterTracer(mockFilter.Object, traceWriter);
TraceRecord[] expectedTraces = new TraceRecord[]
{
new TraceRecord(request, TraceCategories.FiltersCategory, TraceLevel.Info)
{
Kind = TraceKind.Begin, Operation = "ExecuteExceptionFilterAsync"
},
new TraceRecord(request, TraceCategories.FiltersCategory, TraceLevel.Error)
{
Kind = TraceKind.End, Operation = "ExecuteExceptionFilterAsync"
}
};
// Act
Task task = ((IExceptionFilter)tracer).ExecuteExceptionFilterAsync(actionExecutedContext, CancellationToken.None);
// Assert
Exception thrown = Assert.Throws <InvalidOperationException>(() => task.Wait());
Assert.Same(exception, thrown);
Assert.Same(exception, traceWriter.Traces[1].Exception);
Assert.Equal <TraceRecord>(expectedTraces, traceWriter.Traces, new TraceRecordComparer());
}
