use of com.github.ambry.config.HostThrottleConfig in project ambry by linkedin.
the class HostLevelThrottlerTest method quotaTest.
/**
* Test to make sure {@link HostLevelThrottler#shouldThrottle(RestRequest)} works as expected.
*/
@Test
public void quotaTest() throws Exception {
Properties props = new Properties();
props.setProperty(HostThrottleConfig.REST_REQUEST_QUOTA_STRING, "{\"PUT\": \"20\",\"GET\": \"20\",\"POST\": \"20\",\"HEAD\": \"20\",\"OPTIONS\": \"20\",\"DELETE\": \"20\"}");
HostThrottleConfig hostThrottleConfig = new HostThrottleConfig(new VerifiableProperties(props));
MockClock clock = new MockClock();
HostLevelThrottler quotaManager = new HostLevelThrottler(createQuotaMock(hostThrottleConfig, clock), new HashMap<>(), null);
// Issue new requests. Since MockClock tick doesn't change, rate is 0.
for (int i = 0; i < 100; i++) {
for (RestMethod restMethod : RestMethod.values()) {
RestRequest restRequest = createRestRequest(restMethod, "http://www.linkedin.com/");
Assert.assertFalse("Should not throttle", quotaManager.shouldThrottle(restRequest));
}
}
// Move MockClock ahead to 5 seconds later. Rate = 20. New requests should be denied unless its quota is not defined.
clock.tick(5);
for (RestMethod restMethod : RestMethod.values()) {
RestRequest restRequest = createRestRequest(restMethod, "http://www.linkedin.com/");
if (restMethod == RestMethod.UNKNOWN) {
Assert.assertFalse("Should not throttle.", quotaManager.shouldThrottle(restRequest));
} else {
Assert.assertTrue("Should throttle", quotaManager.shouldThrottle(restRequest));
}
}
// Clock tick to another 5 seconds later, rate < 20. Accept new requests.
clock.tick(5);
for (RestMethod restMethod : RestMethod.values()) {
RestRequest restRequest = createRestRequest(restMethod, "http://www.linkedin.com/");
Assert.assertFalse("Should not throttle", quotaManager.shouldThrottle(restRequest));
}
}
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