@SuppressWarnings("unchecked")
@Test
public void testStatsNumIdleCachedInstancesDecrementsDuringExecute() {
// Make sure we only get FOO_ENDPOINT.
reset(_loadBalanceAlgorithm);
when(_loadBalanceAlgorithm.choose(
Matchers.<Iterable<ServiceEndPoint>>any(), any(ServicePoolStatistics.class)))
.thenReturn(FOO_ENDPOINT);
// Prime the cache.
_pool.execute(NEVER_RETRY, mock(ServiceCallback.class));
final ServicePoolStatistics servicePoolStatistics = _pool.getServicePoolStatistics();
int numIdleInitially = servicePoolStatistics.getNumIdleCachedInstances(FOO_ENDPOINT);
int numIdleDuringExecute =
_pool.execute(
NEVER_RETRY,
new ServiceCallback<Service, Integer>() {
@Override
public Integer call(Service service) throws ServiceException {
return servicePoolStatistics.getNumIdleCachedInstances(FOO_ENDPOINT);
}
});
assertEquals(numIdleInitially - 1, numIdleDuringExecute);
}
@Test
public void testStatsNumActiveInstancesDecrementsAfterExecute() {
// Make sure we only get FOO_ENDPOINT.
reset(_loadBalanceAlgorithm);
when(_loadBalanceAlgorithm.choose(
Matchers.<Iterable<ServiceEndPoint>>any(), any(ServicePoolStatistics.class)))
.thenReturn(FOO_ENDPOINT);
final ServicePoolStatistics servicePoolStatistics = _pool.getServicePoolStatistics();
int numActiveDuringExecute =
_pool.execute(
NEVER_RETRY,
new ServiceCallback<Service, Integer>() {
@Override
public Integer call(Service service) throws ServiceException {
return servicePoolStatistics.getNumActiveInstances(FOO_ENDPOINT);
}
});
int numActiveAfterExecute = servicePoolStatistics.getNumActiveInstances(FOO_ENDPOINT);
assertEquals(numActiveDuringExecute - 1, numActiveAfterExecute);
}