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/*
* 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.samza.util;
import java.time.Duration;
import java.util.Collections;
import org.junit.Assert;
import org.junit.Test;
public class TestShutdownUtil {
@Test
public void testBoundedShutdown() throws Exception {
long longTimeout = Duration.ofSeconds(60).toMillis();
long shortTimeout = Duration.ofMillis(100).toMillis();
Runnable shortRunnable = () -> {
try {
Thread.sleep(shortTimeout);
} catch (Exception e) {
Assert.fail(e.getMessage());
}
};
long start = System.currentTimeMillis();
Assert.assertTrue("expect the shutdown task to terminate",
ShutdownUtil.boundedShutdown(Collections.singletonList(shortRunnable), "testLongTimeout", longTimeout));
long end = System.currentTimeMillis();
Assert.assertTrue("boundedShutdown should complete if the shutdown function completes earlier",
(end - start) < longTimeout / 2);
Runnable longRunnable = () -> {
try {
Thread.sleep(longTimeout);
} catch (Exception e) {
Assert.fail(e.getMessage());
}
};
start = System.currentTimeMillis();
Assert.assertFalse("expect the shutdown task to be unfinished",
ShutdownUtil.boundedShutdown(Collections.singletonList(longRunnable), "testShortTimeout", shortTimeout));
end = System.currentTimeMillis();
Assert.assertTrue("boundedShutdown should complete even if the shutdown function takes long time",
(end - start) < longTimeout / 2);
}
}