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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.proxy;
import com.yahoo.vespa.config.protocol.JRTServerConfigRequest;
import org.junit.Test;
import java.util.concurrent.Delayed;
import java.util.concurrent.TimeUnit;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
/**
* @author hmusum
* @since 5.1.11
*/
public class DelayedResponseTest {
private static final String configId = "id";
private static final String namespace = "bar";
@Test
public void basic() {
ConfigTester tester = new ConfigTester();
final long returnTime = System.currentTimeMillis();
final long timeout = 1;
final String configName = "foo";
final JRTServerConfigRequest request = tester.createRequest(configName, configId, namespace, timeout);
DelayedResponse delayedResponse = new DelayedResponse(request, returnTime);
assertThat(delayedResponse.getRequest(), is(request));
assertThat(delayedResponse.getReturnTime(), is(returnTime));
assertTrue(delayedResponse.getDelay(TimeUnit.SECONDS) < returnTime);
DelayedResponse before = new DelayedResponse(request, returnTime - 1000L);
DelayedResponse after = new DelayedResponse(request, returnTime + 1000L);
assertThat(delayedResponse.compareTo(delayedResponse), is(0));
assertThat(delayedResponse.compareTo(before), is(1));
assertThat(delayedResponse.compareTo(after), is(-1));
assertThat(delayedResponse.compareTo(new Delayed() {
@Override
public long getDelay(TimeUnit unit) {
return 0;
}
@Override
public int compareTo(Delayed o) {
return 0;
}
}), is(0));
}
@Test
public void testDelayedResponse() {
ConfigTester tester = new ConfigTester();
final long timeout = 20000;
JRTServerConfigRequest request1 = tester.createRequest("baz", configId, namespace, timeout);
DelayedResponse delayed1 = new DelayedResponse(request1);
assertTrue(delayed1.getReturnTime() > System.currentTimeMillis());
assertTrue(delayed1.getDelay(TimeUnit.MILLISECONDS) > 0);
assertTrue(delayed1.getDelay(TimeUnit.MILLISECONDS) <= timeout);
// Just to make sure we do not get requests within the same millisecond
try {
Thread.sleep(1);
} catch (InterruptedException e) {
e.printStackTrace();
}
// New request, should have larger delay than the first
JRTServerConfigRequest request2 = tester.createRequest("baz", configId, namespace, timeout);
DelayedResponse delayed2 = new DelayedResponse(request2);
assertTrue("delayed1=" + delayed1.getReturnTime() + ", delayed2=" +
delayed2.getReturnTime() + ": delayed2 should be greater than delayed1",
delayed2.getReturnTime() > delayed1.getReturnTime());
// Test compareTo() method
assertThat(delayed1.compareTo(delayed1), is(0));
assertThat(delayed1.compareTo(delayed2), is(-1));
assertThat(delayed2.compareTo(delayed1), is(1));
}
}
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