public void ExecutesFallbackWhenExceptionIsThrownAndExceptionTypeIsContainedInFilter()
{
// Arrange
var handler = new TestQueryHandlerWithFormatExceptionFallback();
var decorator = new FallbackPolicyDecorator <IQuery <TestQuery.Result>, TestQuery.Result>();
_handlerRegistry.Register <TestQuery, TestQuery.Result, TestQueryHandlerWithFormatExceptionFallback>();
_handlerFactory.Setup(x => x.Create(typeof(TestQueryHandlerWithFormatExceptionFallback))).Returns(handler);
var decoratorType = typeof(FallbackPolicyDecorator <IQuery <TestQuery.Result>, TestQuery.Result>);
_decoratorFactory.Setup(x => x.Create <IQueryHandlerDecorator <IQuery <TestQuery.Result>, TestQuery.Result> >(decoratorType)).Returns(decorator);
// Act
var result = _queryProcessor.Execute(new TestQuery());
// Assert
result.ShouldNotBeNull();
handler.Context.ShouldNotBeNull();
handler.Context.Bag["Fallback_Exception_Cause"].ShouldBeAssignableTo <FormatException>();
handler.Context.Bag.ShouldContainKeyAndValue("Check1", true);
handler.Context.Bag.ShouldContainKeyAndValue("Check2", true);
_handlerFactory.Verify(x => x.Release(handler), Times.Once);
_decoratorFactory.Verify(x => x.Release <IQueryHandlerDecorator <IQuery <TestQuery.Result>, TestQuery.Result> >(decorator), Times.Once);
}
public void DoesNotExecuteFallbackWhenExceptionIsThrownAndExceptionTypeIsNotContainedInFilter()
{
// Arrange
var handler = new TestQueryHandlerWithoutFormatExceptionFallback();
var decorator = new FallbackPolicyDecorator <IQueryRequest <TestQuery.Response>, TestQuery.Response>();
_handlerRegistry.Register <TestQuery, TestQuery.Response, TestQueryHandlerWithoutFormatExceptionFallback>();
_handlerFactory.Setup(x => x.Create <dynamic>(typeof(TestQueryHandlerWithoutFormatExceptionFallback))).Returns(handler);
var decoratorType = typeof(FallbackPolicyDecorator <IQueryRequest <TestQuery.Response>, TestQuery.Response>);
_decoratorFactory.Setup(x => x.Create <IQueryHandlerDecorator <IQueryRequest <TestQuery.Response>, TestQuery.Response> >(decoratorType)).Returns(decorator);
// Act
Assert.Throws <FormatException>(() => _queryProcessor.Execute(new TestQuery()));
// Assert
handler.Context.ShouldNotBeNull();
handler.Context.Bag.ShouldNotContainKey("Fallback_Exception_Cause");
handler.Context.Bag.ShouldContainKeyAndValue("Check1", true);
handler.Context.Bag.ShouldNotContainKey("Check2");
}
public void ExecutesFallbackWhenExceptionIsThrown()
{
// Arrange
var handler = new TestQueryHandlerWithCatchAllFallback();
var decorator = new FallbackPolicyDecorator <IQueryRequest <TestQuery.Response>, TestQuery.Response>();
_handlerRegistry.Register <TestQuery, TestQuery.Response, TestQueryHandlerWithCatchAllFallback>();
_handlerFactory.Setup(x => x.Create <dynamic>(typeof(TestQueryHandlerWithCatchAllFallback))).Returns(handler);
var decoratorType = typeof(FallbackPolicyDecorator <IQueryRequest <TestQuery.Response>, TestQuery.Response>);
_decoratorFactory.Setup(x => x.Create <IQueryHandlerDecorator <IQueryRequest <TestQuery.Response>, TestQuery.Response> >(decoratorType)).Returns(decorator);
// Act
var response = _queryProcessor.Execute(new TestQuery());
// Assert
response.ShouldNotBeNull();
handler.Context.ShouldNotBeNull();
handler.Context.Bag["Fallback_Exception_Cause"].ShouldBeAssignableTo <FormatException>();
handler.Context.Bag.ShouldContainKeyAndValue("Check1", true);
handler.Context.Bag.ShouldContainKeyAndValue("Check2", true);
}
