public void NoRetriesAtAllIfRetryQuotaIs0()
{
var config = CreateConfig();
var capacityManager = new CapacityManager(throttleRetryCount: 0, throttleRetryCost: 5, throttleCost: 1, timeoutRetryCost: 10);
RunRetryTest((executionContext, retryPolicy) =>
{
Tester.Reset();
Tester.Action = (int callCount) =>
{
switch (callCount)
{
case 1:
throw new AmazonServiceException($"Mocked service error ({callCount})", new WebException(), HttpStatusCode.InternalServerError);
default:
throw new Exception($"Invalid number of calls ({callCount})");
}
};
var exception = Utils.AssertExceptionExpected <AmazonServiceException>(() =>
{
RuntimePipeline.InvokeSync(executionContext);
});
Assert.AreEqual("Mocked service error (1)", exception.Message);
var capacity = MockAdaptiveRetryPolicy.CurrentCapacityManagerInstance.GetRetryCapacity(config.ServiceURL);
Assert.AreEqual(0, executionContext.RequestContext.Retries);
Assert.AreEqual(1, Tester.CallCount);
Assert.AreEqual(0, capacity.AvailableCapacity);
}, config, capacityManager);
}
public void AcquireCapacityInvalidUnitTest()
{
int throttleRetryCount = 0;
int throttleRetryCost = 5;
int throttleCost = 1;
CapacityManager capacityManagerInstance = new CapacityManager(throttleRetryCount, throttleRetryCost, throttleCost);
retryCapacity = capacityManagerInstance.GetRetryCapacity("AcquireCapacityInvalidUnitTest");
Assert.IsNotNull(retryCapacity);
Assert.IsFalse(capacityManagerInstance.TryAcquireCapacity(retryCapacity));
Assert.AreEqual(0, retryCapacity.AvailableCapacity);
var consumedCapacity = retryCapacity.MaxCapacity - retryCapacity.AvailableCapacity;
Assert.AreEqual(0, consumedCapacity);
}
public void ReleaseCapacityInvalidUnitTest()
{
int throttleRetryCount = 5;
int throttleRetryCost = 5;
int throttleCost = 1;
CapacityManager capacityManagerInstance = new CapacityManager(throttleRetryCount, throttleRetryCost, throttleCost);
retryCapacity = capacityManagerInstance.GetRetryCapacity("ReleaseCapacityInvalidUnitTest");
Assert.IsNotNull(retryCapacity);
capacityManagerInstance.TryReleaseCapacity(false, retryCapacity);
Assert.AreEqual(throttleRetryCost * throttleRetryCount, retryCapacity.AvailableCapacity);
var consumedCapacity = retryCapacity.MaxCapacity - retryCapacity.AvailableCapacity;
Assert.AreEqual(0, consumedCapacity);
}
public void ReleaseCapacityUnitTest()
{
int throttleRetryCount = 5;
int throttleRetryCost = 5;
int throttleCost = 1;
CapacityManager capacityManagerInstance = new CapacityManager(throttleRetryCount, throttleRetryCost, throttleCost);
retryCapacity = capacityManagerInstance.GetRetryCapacity("ReleaseCapacityUnitTest");
Assert.IsNotNull(retryCapacity);
Assert.IsTrue(capacityManagerInstance.TryAcquireCapacity(retryCapacity));
capacityManagerInstance.ReleaseCapacity(CapacityManager.CapacityType.Retry, retryCapacity);
Assert.AreEqual(throttleRetryCost * throttleRetryCount, retryCapacity.AvailableCapacity);
var consumedCapacity = retryCapacity.MaxCapacity - retryCapacity.AvailableCapacity;
Assert.AreEqual(0, consumedCapacity);
capacityManagerInstance.ReleaseCapacity(CapacityManager.CapacityType.Increment, retryCapacity);
Assert.AreEqual(throttleRetryCost * throttleRetryCount, retryCapacity.AvailableCapacity);
consumedCapacity = retryCapacity.MaxCapacity - retryCapacity.AvailableCapacity;
Assert.AreEqual(0, consumedCapacity);
}
public void RunRetryTest(Action <IExecutionContext, MockStandardRetryPolicy> DoAction, AmazonS3Config config,
CapacityManager capacityManager = null, double?exponentialPower = null, double?exponentialBase = null)
{
try
{
if (capacityManager != null)
{
MockStandardRetryPolicy.SetCapacityManagerInstance(capacityManager);
}
var retryPolicy = new MockStandardRetryPolicy(config);
retryPolicy.ExponentialBase = exponentialBase ?? retryPolicy.ExponentialBase;
retryPolicy.ExponentialPower = exponentialPower ?? retryPolicy.ExponentialPower;
Handler = new RetryHandler(retryPolicy);
if (RuntimePipeline.Handlers.Find(h => h is RetryHandler) != null)
{
RuntimePipeline.ReplaceHandler <RetryHandler>(Handler);
}
else
{
RuntimePipeline.AddHandler(Handler);
}
var executionContext = CreateTestContext(null, null, config);
DoAction(executionContext, retryPolicy);
}
finally
{
if (capacityManager != null)
{
MockStandardRetryPolicy.RestoreManagers();
}
}
}
public static void SetCapacityManagerInstance(CapacityManager capacityManager)
{
_originalCapacityManager = CapacityManagerInstance;
CapacityManagerInstance = capacityManager;
}