@Before
public void init() {
for (HystrixCommandMetrics metricsInstance : HystrixCommandMetrics.getInstances()) {
metricsInstance.resetStream();
}
HystrixCommandMetrics.reset();
HystrixCircuitBreaker.Factory.reset();
Hystrix.reset();
}
// ignoring since this never ends ... useful for testing
// https://github.com/Netflix/Hystrix/issues/236
@Ignore
@Test
public void testSuccessClosesCircuitWhenBusy() throws InterruptedException {
HystrixPlugins.getInstance().registerCommandExecutionHook(new MyHystrixCommandExecutionHook());
try {
performLoad(200, 0, 40);
performLoad(250, 100, 40);
performLoad(600, 0, 40);
} finally {
Hystrix.reset();
}
}
private static void runLoopTest() throws InterruptedException {
final int commandsToRun = 50000;
for (int number = 0; number < commandsToRun; number++) {
try {
ExampleCollapserCmd collapser = new ExampleCollapserCmd(number);
Observable<Boolean> observable = collapser.toObservable();
observable.subscribe(
new Observer<Boolean>() {
@Override
public void onCompleted() {}
@Override
public void onError(Throwable e) {
commandErrors.incrementAndGet();
}
@Override
public void onNext(Boolean result) {
if (result) {
commandSuccesses.incrementAndGet();
} else {
commandErrors.incrementAndGet();
}
}
});
} catch (Exception e) {
LOG.debug("Exception = ", e);
}
Thread.sleep(1);
}
while (getTotalWaitingCommands() > 0) {
CLOG.info("Waiting for Hystrix pool to finish all jobs");
Thread.sleep(500);
}
CLOG.info("Successful command runs = {}", commandSuccesses.get());
CLOG.info("Failure command runs = {}", commandErrors.get());
// For good measure. Occassionally hystrix threads won't clean up.
Hystrix.reset();
}
