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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.subscription;
import com.yahoo.config.subscription.impl.GenericConfigHandle;
import com.yahoo.config.subscription.impl.GenericConfigSubscriber;
import com.yahoo.config.subscription.impl.JRTConfigRequester;
import com.yahoo.config.subscription.impl.JRTConfigRequesterTest;
import com.yahoo.config.subscription.impl.MockConnection;
import com.yahoo.vespa.config.ConfigKey;
import com.yahoo.vespa.config.TimingValues;
import com.yahoo.vespa.config.protocol.CompressionType;
import org.junit.Test;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
*
* Test cases for the "generic" (class-less) subscription mechanism.
*
* @author Ulf Lilleengen
*/
public class GenericConfigSubscriberTest {
private static final TimingValues tv = JRTConfigRequesterTest.getTestTimingValues();
@Test
public void testSubscribeGeneric() throws InterruptedException {
Map<ConfigSourceSet, JRTConfigRequester> requesters = new HashMap<>();
ConfigSourceSet sourceSet = new ConfigSourceSet("blabla");
requesters.put(sourceSet, new JRTConfigRequester(new MockConnection(), tv));
GenericConfigSubscriber sub = new GenericConfigSubscriber(requesters);
final List<String> defContent = List.of("myVal int");
GenericConfigHandle handle = sub.subscribe(new ConfigKey<>("simpletypes", "id", "config"),
defContent,
sourceSet,
tv);
assertTrue(sub.nextConfig(false));
assertTrue(handle.isChanged());
// MockConnection returns empty string
assertEquals("{}", getConfig(handle));
assertEquals(1L, handle.getRawConfig().getGeneration());
assertFalse(sub.nextConfig(false));
assertFalse(handle.isChanged());
// Wait some time, config should be the same, but generation should be higher
Thread.sleep(tv.getFixedDelay() * 2);
assertEquals("{}", getConfig(handle));
assertTrue(handle.getRawConfig().getGeneration() > 1);
assertFalse(sub.nextConfig(false));
assertFalse(handle.isChanged());
}
private String getConfig(GenericConfigHandle handle) {
return handle.getRawConfig().getPayload().withCompression(CompressionType.UNCOMPRESSED).toString();
}
@Test
public void testGenericRequesterPooling() {
ConfigSourceSet source1 = new ConfigSourceSet("tcp/foo:78");
ConfigSourceSet source2 = new ConfigSourceSet("tcp/bar:79");
JRTConfigRequester req1 = JRTConfigRequester.create(source1, tv);
JRTConfigRequester req2 = JRTConfigRequester.create(source2, tv);
Map<ConfigSourceSet, JRTConfigRequester> requesters = new LinkedHashMap<>();
requesters.put(source1, req1);
requesters.put(source2, req2);
GenericConfigSubscriber sub = new GenericConfigSubscriber(requesters);
assertEquals(sub.requesters().get(source1).getConnectionPool().getCurrent().getAddress(), "tcp/foo:78");
assertEquals(sub.requesters().get(source2).getConnectionPool().getCurrent().getAddress(), "tcp/bar:79");
for (JRTConfigRequester requester : requesters.values()) {
requester.close();
}
}
@Test(expected=UnsupportedOperationException.class)
public void testOverriddenSubscribeInvalid1() {
createSubscriber().subscribe(null, null);
}
@Test(expected=UnsupportedOperationException.class)
public void testOverriddenSubscribeInvalid2() {
createSubscriber().subscribe(null, null, 0L);
}
@Test(expected=UnsupportedOperationException.class)
public void testOverriddenSubscribeInvalid3() {
createSubscriber().subscribe(null, null, "");
}
private GenericConfigSubscriber createSubscriber() {
return new GenericConfigSubscriber(Map.of(
new ConfigSourceSet("blabla"),
new JRTConfigRequester(new MockConnection(), JRTConfigRequesterTest.getTestTimingValues())));
}
}
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