public void OnExceptionWithNullFilterContextThrows()
{
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute();
// Act & Assert
Assert.ThrowsArgumentNull(
delegate { attr.OnException(null /* filterContext */); }, "filterContext");
}
public void ErrorHandlingDoesNotFireIfCalledInChildAction()
{
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute();
Mock<ExceptionContext> context = new Mock<ExceptionContext>();
context.Setup(c => c.IsChildAction).Returns(true);
// Act
attr.OnException(context.Object);
// Assert
Assert.IsType<EmptyResult>(context.Object.Result);
}
public void ErrorHandlingDoesNotFireIfCalledInChildAction()
{
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute();
Mock <ExceptionContext> context = new Mock <ExceptionContext>();
context.Setup(c => c.IsChildAction).Returns(true);
// Act
attr.OnException(context.Object);
// Assert
Assert.IsType <EmptyResult>(context.Object.Result);
}
public void OnException()
{
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute()
{
View = "SomeView",
Master = "SomeMaster",
ExceptionType = typeof(ArgumentException)
};
Exception exception = new ArgumentNullException();
Mock <HttpContextBase> mockHttpContext = new Mock <HttpContextBase>(MockBehavior.Strict);
mockHttpContext.Setup(c => c.IsCustomErrorEnabled).Returns(true);
mockHttpContext.Setup(c => c.Session).Returns((HttpSessionStateBase)null);
mockHttpContext.Setup(c => c.Response.Clear()).Verifiable();
mockHttpContext.SetupSet(c => c.Response.StatusCode = 500).Verifiable();
mockHttpContext.SetupSet(c => c.Response.TrySkipIisCustomErrors = true).Verifiable();
TempDataDictionary tempData = new TempDataDictionary();
IViewEngine viewEngine = new Mock <IViewEngine>().Object;
Controller controller = new Mock <Controller>().Object;
controller.TempData = tempData;
ExceptionContext context = GetExceptionContext(
mockHttpContext.Object,
controller,
exception
);
// Exception
attr.OnException(context);
// Assert
mockHttpContext.Verify();
ViewResult viewResult = context.Result as ViewResult;
Assert.NotNull(viewResult);
Assert.Equal(tempData, viewResult.TempData);
Assert.Equal("SomeView", viewResult.ViewName);
Assert.Equal("SomeMaster", viewResult.MasterName);
HandleErrorInfo viewData = viewResult.ViewData.Model as HandleErrorInfo;
Assert.NotNull(viewData);
Assert.Same(exception, viewData.Exception);
Assert.Equal("SomeController", viewData.ControllerName);
Assert.Equal("SomeAction", viewData.ActionName);
}
public void OnExceptionWithNon500ExceptionDoesNothing()
{
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute();
ActionResult result = new EmptyResult();
ExceptionContext context = GetExceptionContext(GetHttpContext(), null, new HttpException(404, "Some Exception"));
context.Result = result;
// Exception
attr.OnException(context);
// Assert
Assert.Same(result, context.Result);
}
public void OnExceptionWithCustomErrorsDisabledDoesNothing()
{
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute();
ActionResult result = new EmptyResult();
ExceptionContext context = GetExceptionContext(GetHttpContext(false), null, new Exception());
context.Result = result;
// Exception
attr.OnException(context);
// Assert
Assert.Same(result, context.Result);
}
public void OnExceptionWithNon500ExceptionDoesNothing()
{
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute();
ActionResult result = new EmptyResult();
ExceptionContext context = GetExceptionContext(GetHttpContext(), null, new HttpException(404, "Some Exception"));
context.Result = result;
// Exception
attr.OnException(context);
// Assert
Assert.AreSame(result, context.Result, "The context's Result property should have remain unchanged.");
}
public void OnExceptionWithCustomErrorsDisabledDoesNothing()
{
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute();
ActionResult result = new EmptyResult();
ExceptionContext context = GetExceptionContext(GetHttpContext(false), null, new Exception());
context.Result = result;
// Exception
attr.OnException(context);
// Assert
Assert.AreSame(result, context.Result, "The context's Result property should have remain unchanged.");
}
public void OnExceptionWithWrongExceptionTypeDoesNothing()
{
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute()
{
ExceptionType = typeof(ArgumentException)
};
ActionResult result = new EmptyResult();
ExceptionContext context = GetExceptionContext(GetHttpContext(), null, new InvalidCastException());
context.Result = result;
// Exception
attr.OnException(context);
// Assert
Assert.Same(result, context.Result);
}
public void OnException() {
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute() {
View = "SomeView",
Master = "SomeMaster",
ExceptionType = typeof(ArgumentException)
};
Exception exception = new ArgumentNullException();
Mock<HttpContextBase> mockHttpContext = new Mock<HttpContextBase>(MockBehavior.Strict);
mockHttpContext.Expect(c => c.IsCustomErrorEnabled).Returns(true);
mockHttpContext.Expect(c => c.Session).Returns((HttpSessionStateBase)null);
mockHttpContext.Expect(c => c.Response.Clear()).Verifiable();
mockHttpContext.ExpectSet(c => c.Response.StatusCode, 500).Verifiable();
mockHttpContext.ExpectSet(c => c.Response.TrySkipIisCustomErrors, true).Verifiable();
TempDataDictionary tempData = new TempDataDictionary();
IViewEngine viewEngine = new Mock<IViewEngine>().Object;
Controller controller = new Mock<Controller>().Object;
controller.TempData = tempData;
ExceptionContext context = GetExceptionContext(mockHttpContext.Object, controller, exception);
// Exception
attr.OnException(context);
// Assert
mockHttpContext.Verify();
ViewResult viewResult = context.Result as ViewResult;
Assert.IsNotNull(viewResult, "The Result property should have been set to an instance of ViewResult.");
Assert.AreEqual(tempData, viewResult.TempData);
Assert.AreEqual("SomeView", viewResult.ViewName);
Assert.AreEqual("SomeMaster", viewResult.MasterName);
HandleErrorInfo viewData = viewResult.ViewData.Model as HandleErrorInfo;
Assert.IsNotNull(viewData, "The ViewData model should have been set to an instance of ExceptionViewData.");
Assert.AreSame(exception, viewData.Exception);
Assert.AreEqual("SomeController", viewData.ControllerName);
Assert.AreEqual("SomeAction", viewData.ActionName);
}
public void OnExceptionWithWrongExceptionTypeDoesNothing() {
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute() { ExceptionType = typeof(ArgumentException) };
ActionResult result = new EmptyResult();
ExceptionContext context = GetExceptionContext(GetHttpContext(), null, new InvalidCastException());
context.Result = result;
// Exception
attr.OnException(context);
// Assert
Assert.AreSame(result, context.Result, "The context's Result property should have remain unchanged.");
}
public void OnExceptionWithNullFilterContextThrows() {
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute();
// Act & Assert
ExceptionHelper.ExpectArgumentNullException(
delegate {
attr.OnException(null /* filterContext */);
}, "filterContext");
}
public void OnExceptionWithNon500ExceptionDoesNothing() {
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute();
ActionResult result = new EmptyResult();
ExceptionContext context = GetExceptionContext(GetHttpContext(), null, new HttpException(404, "Some Exception"));
context.Result = result;
// Exception
attr.OnException(context);
// Assert
Assert.AreSame(result, context.Result, "The context's Result property should have remain unchanged.");
}
public void OnExceptionWithCustomErrorsDisabledDoesNothing() {
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute();
ActionResult result = new EmptyResult();
ExceptionContext context = GetExceptionContext(GetHttpContext(false), null, new Exception());
context.Result = result;
// Exception
attr.OnException(context);
// Assert
Assert.AreSame(result, context.Result, "The context's Result property should have remain unchanged.");
}
public void OnExceptionWithNon500ExceptionDoesNothing()
{
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute();
ActionResult result = new EmptyResult();
ExceptionContext context = GetExceptionContext(GetHttpContext(), null, new HttpException(404, "Some Exception"));
context.Result = result;
// Exception
attr.OnException(context);
// Assert
Assert.Same(result, context.Result);
}
public void OnExceptionWithExceptionHandledDoesNothing()
{
// Arrange
HandleErrorAttribute attr = new HandleErrorAttribute();
ActionResult result = new EmptyResult();
ExceptionContext context = GetExceptionContext(GetHttpContext(), null, new Exception());
context.Result = result;
context.ExceptionHandled = true;
// Exception
attr.OnException(context);
// Assert
Assert.Same(result, context.Result);
}