/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.kafka.clients.consumer.internals;
import org.apache.kafka.common.utils.MockTime;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class HeartbeatTest {
private long timeout = 300L;
private long interval = 100L;
private long maxPollInterval = 900L;
private long retryBackoff = 10L;
private MockTime time = new MockTime();
private Heartbeat heartbeat = new Heartbeat(timeout, interval, maxPollInterval, retryBackoff);
@Test
public void testShouldHeartbeat() {
heartbeat.sentHeartbeat(time.milliseconds());
time.sleep((long) ((float) interval * 1.1));
assertTrue(heartbeat.shouldHeartbeat(time.milliseconds()));
}
@Test
public void testShouldNotHeartbeat() {
heartbeat.sentHeartbeat(time.milliseconds());
time.sleep(interval / 2);
assertFalse(heartbeat.shouldHeartbeat(time.milliseconds()));
}
@Test
public void testTimeToNextHeartbeat() {
heartbeat.sentHeartbeat(0);
assertEquals(100, heartbeat.timeToNextHeartbeat(0));
assertEquals(0, heartbeat.timeToNextHeartbeat(100));
assertEquals(0, heartbeat.timeToNextHeartbeat(200));
}
@Test
public void testSessionTimeoutExpired() {
heartbeat.sentHeartbeat(time.milliseconds());
time.sleep(305);
assertTrue(heartbeat.sessionTimeoutExpired(time.milliseconds()));
}
@Test
public void testResetSession() {
heartbeat.sentHeartbeat(time.milliseconds());
time.sleep(305);
heartbeat.resetTimeouts(time.milliseconds());
assertFalse(heartbeat.sessionTimeoutExpired(time.milliseconds()));
}
}