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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.controlloop.actorserviceprovider.impl;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import java.util.Map;
import java.util.Properties;
import java.util.TreeMap;
import java.util.function.Function;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
import org.onap.policy.common.endpoints.event.comm.client.BidirectionalTopicClientException;
import org.onap.policy.controlloop.actorserviceprovider.Util;
import org.onap.policy.controlloop.actorserviceprovider.parameters.BidirectionalTopicActorParams;
import org.onap.policy.controlloop.actorserviceprovider.parameters.ParameterValidationRuntimeException;
import org.onap.policy.controlloop.actorserviceprovider.topic.BidirectionalTopicHandler;
public class BidirectionalTopicActorTest {
private static final String ACTOR = "my-actor";
private static final String UNKNOWN = "unknown";
private static final String MY_SINK = "my-sink";
private static final String MY_SOURCE1 = "my-source-A";
private static final String MY_SOURCE2 = "my-source-B";
private static final int TIMEOUT = 10;
@Mock
private BidirectionalTopicHandler handler1;
@Mock
private BidirectionalTopicHandler handler2;
private BidirectionalTopicActor<BidirectionalTopicActorParams> actor;
/**
* Configures the endpoints.
*/
@BeforeClass
public static void setUpBeforeClass() {
Properties props = new Properties();
props.setProperty("noop.sink.topics", MY_SINK);
props.setProperty("noop.source.topics", MY_SOURCE1 + "," + MY_SOURCE2);
// clear all topics and then configure one sink and two sources
TopicEndpointManager.getManager().shutdown();
TopicEndpointManager.getManager().addTopicSinks(props);
TopicEndpointManager.getManager().addTopicSources(props);
}
@AfterClass
public static void tearDownAfterClass() {
// clear all topics after the tests
TopicEndpointManager.getManager().shutdown();
}
/**
* Sets up.
*/
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
actor = new MyActor();
actor.configure(Util.translateToMap(ACTOR, makeParams()));
}
@Test
public void testDoStart() throws BidirectionalTopicClientException {
// allocate some handlers
actor.getTopicHandler(MY_SINK, MY_SOURCE1);
actor.getTopicHandler(MY_SINK, MY_SOURCE2);
// start it
actor.start();
verify(handler1).start();
verify(handler2).start();
verify(handler1, never()).stop();
verify(handler2, never()).stop();
verify(handler1, never()).shutdown();
verify(handler2, never()).shutdown();
}
@Test
public void testDoStop() throws BidirectionalTopicClientException {
// allocate some handlers
actor.getTopicHandler(MY_SINK, MY_SOURCE1);
actor.getTopicHandler(MY_SINK, MY_SOURCE2);
// start it
actor.start();
// stop it
actor.stop();
verify(handler1).stop();
verify(handler2).stop();
verify(handler1, never()).shutdown();
verify(handler2, never()).shutdown();
}
@Test
public void testDoShutdown() {
// allocate some handlers
actor.getTopicHandler(MY_SINK, MY_SOURCE1);
actor.getTopicHandler(MY_SINK, MY_SOURCE2);
// start it
actor.start();
// stop it
actor.shutdown();
verify(handler1).shutdown();
verify(handler2).shutdown();
verify(handler1, never()).stop();
verify(handler2, never()).stop();
}
@Test
public void testMakeOperatorParameters() {
BidirectionalTopicActorParams params = makeParams();
final BidirectionalTopicActor<BidirectionalTopicActorParams> prov =
new BidirectionalTopicActor<>(ACTOR, BidirectionalTopicActorParams.class);
Function<String, Map<String, Object>> maker =
prov.makeOperatorParameters(Util.translateToMap(prov.getName(), params));
assertNull(maker.apply(UNKNOWN));
// use a TreeMap to ensure the properties are sorted
assertEquals("{sinkTopic=my-sink, sourceTopic=my-source-A, timeoutSec=10}",
new TreeMap<>(maker.apply("operA")).toString());
assertEquals("{sinkTopic=my-sink, sourceTopic=topicB, timeoutSec=10}",
new TreeMap<>(maker.apply("operB")).toString());
// with invalid actor parameters
params.setOperation(null);
assertThatThrownBy(() -> prov.makeOperatorParameters(Util.translateToMap(prov.getName(), params)))
.isInstanceOf(ParameterValidationRuntimeException.class);
}
@Test
public void testBidirectionalTopicActor() {
assertEquals(ACTOR, actor.getName());
assertEquals(ACTOR, actor.getFullName());
}
@Test
public void testGetTopicHandler() {
assertSame(handler1, actor.getTopicHandler(MY_SINK, MY_SOURCE1));
assertSame(handler2, actor.getTopicHandler(MY_SINK, MY_SOURCE2));
assertThatIllegalArgumentException().isThrownBy(() -> actor.getTopicHandler(UNKNOWN, MY_SOURCE1));
}
@Test
public void testMakeTopicHandler() {
// use a real actor
actor = new BidirectionalTopicActor<>(ACTOR, BidirectionalTopicActorParams.class);
handler1 = actor.getTopicHandler(MY_SINK, MY_SOURCE1);
handler2 = actor.getTopicHandler(MY_SINK, MY_SOURCE2);
assertNotNull(handler1);
assertNotNull(handler2);
assertNotSame(handler1, handler2);
}
private BidirectionalTopicActorParams makeParams() {
BidirectionalTopicActorParams params = new BidirectionalTopicActorParams();
params.setSinkTopic(MY_SINK);
params.setSourceTopic(MY_SOURCE1);
params.setTimeoutSec(TIMEOUT);
// @formatter:off
params.setOperation(Map.of(
"operA", Map.of(),
"operB", Map.of("sourceTopic", "topicB")));
// @formatter:on
return params;
}
private class MyActor extends BidirectionalTopicActor<BidirectionalTopicActorParams> {
public MyActor() {
super(ACTOR, BidirectionalTopicActorParams.class);
}
@Override
protected BidirectionalTopicHandler makeTopicHandler(String sinkTopic, String sourceTopic)
throws BidirectionalTopicClientException {
if (MY_SINK.equals(sinkTopic)) {
if (MY_SOURCE1.equals(sourceTopic)) {
return handler1;
} else if (MY_SOURCE2.equals(sourceTopic)) {
return handler2;
}
}
throw new BidirectionalTopicClientException("no topic " + sinkTopic + "/" + sourceTopic);
}
}
}
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