public void WhenInvokingFilterWithExceptionThenTransactionRollbacks()
        {
            // Arrange
            TransactionFilterAttribute filter = new TransactionFilterAttribute();
            CommandHandlerContext executingContext = new CommandHandlerContext();
            Exception exception = new Exception();
            ExceptionDispatchInfo exceptionInfo = ExceptionDispatchInfo.Capture(exception);
            CommandHandlerExecutedContext executedContext = new CommandHandlerExecutedContext(executingContext, exceptionInfo);

            // Act
            filter.OnCommandExecuting(executingContext);
            Transaction transaction = Transaction.Current.Clone();
            filter.OnCommandExecuted(executedContext);

            // Assert
            Assert.Equal(TransactionStatus.Aborted, transaction.TransactionInformation.Status);
        }
        public void WhenInvokingFilterWithoutExceptionThenTransactionCompletes()
        {
            // Arrange
            TransactionFilterAttribute filter = new TransactionFilterAttribute();
            HandlerRequest request = new HandlerRequest(this.config, null);
            CommandHandlerContext executingContext = new CommandHandlerContext();

            CommandHandlerExecutedContext executedContext = new CommandHandlerExecutedContext(executingContext, null);
            executingContext.Response = new HandlerResponse(null);

            // Act
            filter.OnCommandExecuting(executingContext);
            Transaction transaction = Transaction.Current.Clone();
            filter.OnCommandExecuted(executedContext);

            // Assert 
            Assert.Equal(TransactionStatus.Committed, transaction.TransactionInformation.Status);
        }