public async Task ExecuteAsync_executes_Action()
{
const double updatedBalance = 1.23;
var sale = new Sale(saleID: 5)
{
Balance = 0
};
var sut = new FunctionAction <Sale>((sale1, _) => Task.FromResult(sale1.Balance = updatedBalance));
await sut.ExecuteAsync(sale, request : null, cancellationToken : default(CancellationToken));
Assert.Equal(updatedBalance, sale.Balance);
}
public void ExecuteAsync_can_be_cancelled()
{
using (var cancellationSource = new CancellationTokenSource())
{
var sale = new Sale(saleID: 3);
var wasCancelled = false;
var mutex = new Mutex(initiallyOwned: false);
var sut = new FunctionAction <Sale>((_, cancelToken) =>
{
mutex.WaitOne();
do
{
Task.Delay(millisecondsDelay: 123).Wait();
} while (!cancelToken.IsCancellationRequested);
mutex.ReleaseMutex();
wasCancelled = true;
return(Task.FromCanceled(cancelToken));
});
Task.Factory.StartNew(async() =>
{
await sut.ExecuteAsync(sale, cancellationSource.Token, request: null);
}, TaskCreationOptions.LongRunning);
try
{
Task.Delay(555).Wait();
cancellationSource.Cancel();
}
catch
{
cancellationSource.Cancel();
}
mutex.WaitOne();
Assert.True(wasCancelled);
}
}