public void ShouldFail_OnWrongParameters()
{
var service = new DefaultTryRetryService();
ExpectException <ArgumentNullException>(() =>
{
service.TryWithRetry(null, 1, 50);
});
ExpectException <ArgumentNullException>(() =>
{
service.TryWithRetry(() =>
{
return(true);
}, 1, 50, null);
});
ExpectException <ArgumentOutOfRangeException>(() =>
{
service.TryWithRetry(() =>
{
return(false);
}, -1, 50);
});
ExpectException <ArgumentOutOfRangeException>(() =>
{
service.TryWithRetry(() =>
{
return(false);
}, 1, -50);
});
}
public void ShouldWork_On_FirstAttempt()
{
var service = new DefaultTryRetryService();
var currentTryCount = 0;
var maxTryCount = Rnd.Int(5) + 1;
service.TryWithRetry(() =>
{
currentTryCount++;
return(true);
}, maxTryCount, 50);
Assert.AreEqual(1, currentTryCount);
}
public void ShouldFail_OnMoreAttempts()
{
var service = new DefaultTryRetryService();
var currentTryCount = 0;
ExpectException <SPMeta2Exception>(() =>
{
service.TryWithRetry(() =>
{
currentTryCount++;
return(false);
});
});
Assert.AreEqual(service.MaxRetryCount, currentTryCount);
}
public void CanOverride_MaxTryAttempts()
{
var service = new DefaultTryRetryService();
var currentTryCount = 0;
var maxTryCount = Rnd.Int(5) + 1;
ExpectException <SPMeta2Exception>(() =>
{
service.TryWithRetry(() =>
{
currentTryCount++;
return(false);
}, maxTryCount, 50);
});
Assert.AreEqual(maxTryCount, currentTryCount);
}
public void ShouldWork_On_RandomAttempt()
{
var service = new DefaultTryRetryService();
var currentTryCount = 0;
var maxTryCount = Rnd.Int(5) + 2;
var positiveTryCount = maxTryCount / 2 + 1;
service.TryWithRetry(() =>
{
currentTryCount++;
if (positiveTryCount == currentTryCount)
{
return(true);
}
return(false);
}, maxTryCount, 50);
Assert.AreEqual(positiveTryCount, currentTryCount);
}
public void CanCreate_DefaultTryRetryService()
{
var service = new DefaultTryRetryService();
Assert.IsNotNull(service);
}
