public async void Async_SuccessOnFifthTryWith_ExecutionTimeTest()
{
int i = 0;
Stopwatch sw = new Stopwatch();
sw.Start();
var result = await WaitAndRetry.RetryAsync(10, 100, () => CalledMethodSuccessOnFifthTryAsync(1));
sw.Stop();
Assert.InRange(sw.ElapsedMilliseconds, 400, 500);
Assert.Equal("1", result);
Assert.Equal(5, i);
async Task <string> CalledMethodSuccessOnFifthTryAsync(int a)
{
await Task.Delay(0);
if (++i < 5)
{
throw new Exception();
}
return(a.ToString());
}
}
public async void AsyncVoid_SuccessOnFifthTry()
{
int i = 0;
await WaitAndRetry.RetryAsync(10, 1, () => CalledVoidMethodSuccessOnFifthTryAsync(1));
Assert.Equal(5, i);
async Task CalledVoidMethodSuccessOnFifthTryAsync(int a)
{
await Task.Delay(0);
if (++i < 5)
{
throw new Exception();
}
}
}
public async void AsyncVoid_FailedFourthTimes()
{
int i = 0;
Func <Task> act = async() => await WaitAndRetry.RetryAsync(4, 1, () => CalledVoidMethodSuccessOnFifthTryAsync(1));
await Assert.ThrowsAsync <RetryException>(act);
Assert.Equal(4, i);
async Task CalledVoidMethodSuccessOnFifthTryAsync(int a)
{
await Task.Delay(0);
if (++i < 5)
{
throw new Exception();
}
}
}
public async void Async_SuccessOnFifthTry()
{
int i = 0;
var result = await WaitAndRetry.RetryAsync(10, 1, () => CalledMethodSuccessOnFifthTryAsync(1));
Assert.Equal("1", result);
Assert.Equal(5, i);
async Task <string> CalledMethodSuccessOnFifthTryAsync(int a)
{
await Task.Delay(0);
if (++i < 5)
{
throw new Exception();
}
return(a.ToString());
}
}
static async Task Main(string[] args)
{
Service service = new Service();
#region methods with return
// synchronous call
service.AttemptCount = 0;
var result1 = WaitAndRetry.Retry <string>(10, 1, () => service.TestSuccess(1));
// async call (both options are correct)
service.AttemptCount = 0;
var result21 = await WaitAndRetry.RetryAsync <string>(10, 1, () => service.TestSuccessAsync(1));
service.AttemptCount = 0;
var result23 = await WaitAndRetry.RetryAsync <string>(10, 1, async() => await service.TestSuccessAsync(1));
#endregion
#region Void Methods
// synchronous call
service.AttemptCount = 0;
WaitAndRetry.Retry(10, 1, () => service.TestVoidSuccess(1));
// async call (both options are correct)
service.AttemptCount = 0;
await WaitAndRetry.RetryAsync(10, 1, () => service.TestVoidSuccessAsync(1));
service.AttemptCount = 0;
await WaitAndRetry.RetryAsync(10, 1, async() => await service.TestVoidSuccessAsync(1));
// This is wrong usage !!!
service.AttemptCount = 0;
await WaitAndRetry.Retry(10, 1, () => service.TestVoidSuccessAsync(1));
#endregion
}
public async void Async_FailOnFirstTry()
{
async Task Act() => await WaitAndRetry.RetryAsync(1, 1, () => CalledMethodFailAsync(1));
await Assert.ThrowsAsync <RetryException>(Act);
}
public async void Async_SuccessOnFirstTry()
{
var result = await WaitAndRetry.RetryAsync(1, 1, () => CalledMethodSuccessAsync(1));
Assert.Equal("1", result);
}
public async void AsyncVoid_SuccessOnFirstTry()
{
await WaitAndRetry.RetryAsync(1, 1, () => CalledVoidMethodSuccessAsync(1));
}
