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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2023 Nordix Foundation.
* ================================================================================
* 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.actor.test;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.lenient;
import java.util.List;
import java.util.function.BiConsumer;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.Mock;
import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
import org.onap.policy.common.endpoints.event.comm.TopicSink;
import org.onap.policy.common.endpoints.event.comm.TopicSource;
import org.onap.policy.common.endpoints.event.comm.client.BidirectionalTopicClientException;
import org.onap.policy.common.endpoints.http.client.HttpClientFactoryInstance;
import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
import org.onap.policy.common.endpoints.parameters.TopicParameters;
import org.onap.policy.common.utils.coder.CoderException;
import org.onap.policy.common.utils.coder.StandardCoderObject;
import org.onap.policy.controlloop.actorserviceprovider.parameters.BidirectionalTopicConfig;
import org.onap.policy.controlloop.actorserviceprovider.topic.BidirectionalTopicHandler;
import org.onap.policy.controlloop.actorserviceprovider.topic.BidirectionalTopicManager;
import org.onap.policy.controlloop.actorserviceprovider.topic.Forwarder;
import org.onap.policy.simulators.TopicServer;
import org.onap.policy.simulators.Util;
/**
* Superclass for various BidirectionalTopicOperation tests.
*
* @param <Q> request type
*/
@NoArgsConstructor(access = AccessLevel.PROTECTED)
public abstract class BasicBidirectionalTopicOperation<Q> extends BasicOperation {
protected static final String MY_SINK = "my-sink";
protected static final String MY_SOURCE = "my-source";
protected static final int TIMEOUT_SEC = 10;
protected static final long TIMEOUT_MS = 1000L * TIMEOUT_SEC;
// sink and source used by the TopicServer
private static TopicSink serverSink;
private static TopicSource serverSource;
private static BidirectionalTopicHandler realTopicHandler;
protected static BidirectionalTopicManager topicMgr = (sink, source) -> {
// note: the sink and source names are swapped for the simulator
assertEquals(serverSource.getTopic(), sink);
assertEquals(serverSink.getTopic(), source);
return realTopicHandler;
};
@Captor
protected ArgumentCaptor<BiConsumer<String, StandardCoderObject>> listenerCaptor;
@Mock
protected BidirectionalTopicHandler topicHandler;
@Mock
protected Forwarder forwarder;
@Mock
protected BidirectionalTopicConfig config;
private TopicServer<Q> topicServer;
/**
* Constructs the object.
*
* @param actor actor name
* @param operation operation name
*/
protected BasicBidirectionalTopicOperation(String actor, String operation) {
super(actor, operation);
}
/**
* Starts the topic.
*
* @throws InterruptedException if interrupted
* @throws BidirectionalTopicClientException if the client cannot be built
*/
protected static void initBeforeClass(String sinkTopic, String sourceTopic)
throws InterruptedException, BidirectionalTopicClientException {
Util.buildDmaapSim();
// note: the sink and source names are swapped for the simulator
var ptopic = new TopicParameters();
ptopic.setTopic(sourceTopic);
ptopic.setManaged(true);
ptopic.setServers(List.of("localhost"));
ptopic.setTopicCommInfrastructure("dmaap");
ptopic.setFetchTimeout(500);
serverSink = TopicEndpointManager.getManager().addTopicSinks(List.of(ptopic)).get(0);
ptopic.setTopic(sinkTopic);
serverSource = TopicEndpointManager.getManager().addTopicSources(List.of(ptopic)).get(0);
serverSink.start();
serverSource.start();
if (!sinkTopic.equals(sourceTopic)) {
// sink and source are different - create other ends for the actor
initActorTopics(sinkTopic, sourceTopic, ptopic);
}
realTopicHandler = new BidirectionalTopicHandler(sinkTopic, sourceTopic);
realTopicHandler.start();
}
private static void initActorTopics(String sinkTopic, String sourceTopic, TopicParameters ptopic) {
// create sink and source for the actor, too
ptopic.setTopic(sinkTopic);
TopicEndpointManager.getManager().addTopicSinks(List.of(ptopic)).get(0).start();
ptopic.setTopic(sourceTopic);
TopicEndpointManager.getManager().addTopicSources(List.of(ptopic)).get(0).start();
}
protected static void destroyAfterClass() {
TopicEndpointManager.getManager().shutdown();
HttpServletServerFactoryInstance.getServerFactory().destroy();
HttpClientFactoryInstance.getClientFactory().destroy();
}
/**
* Initializes mocks and sets up.
*/
@Override
public void setUpBasic() {
super.setUpBasic();
topicServer = makeServer(serverSink, serverSource);
initConfig();
}
public void tearDownBasic() {
topicServer.shutdown();
}
/**
* Makes a simulator for the given sink and source.
*
* @param sink topic to which the simulator should publish responses
* @param source topic from which the simulator should receive messages
* @return a new topic server/simulator
*/
protected abstract TopicServer<Q> makeServer(TopicSink sink, TopicSource source);
/**
* Initializes a configuration.
*/
protected void initConfig() {
lenient().when(config.getTopicHandler()).thenReturn(topicHandler);
lenient().when(config.getForwarder()).thenReturn(forwarder);
lenient().when(config.getTimeoutMs()).thenReturn(TIMEOUT_MS);
}
/**
* Provides a response to the topic {@link #listenerCaptor}.
*
* @param listener listener to which to provide the response
* @param response response to be provided
*/
protected void provideResponse(BiConsumer<String, StandardCoderObject> listener, String response) {
try {
StandardCoderObject sco = coder.decode(response, StandardCoderObject.class);
listener.accept(response, sco);
} catch (CoderException e) {
throw new IllegalArgumentException("response is not a Map", e);
}
}
}
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