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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019, 2022 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2022 Bell Canada. 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.simulators;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.io.File;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
import org.onap.policy.common.endpoints.event.comm.bus.DmaapTopicSink;
import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
import org.onap.policy.common.endpoints.parameters.TopicParameterGroup;
import org.onap.policy.common.utils.coder.StandardCoder;
public class DmaapSimulatorTest {
private static final int MAX_WAIT_SEC = 5;
private static final String TOPIC = "MY-TOPIC";
/**
* Messages from the topic are placed here by the endpoint.
*/
private BlockingQueue<String> queue;
@BeforeClass
public static void setUpBeforeClass() throws Exception {
TopicEndpointManager.getManager().shutdown();
}
/**
* Starts the simulator and the topic.
*
* @throws Exception if an error occurs
*/
@Before
public void setUp() throws Exception {
assertNotNull(Util.buildDmaapSim());
String topicJson = new String(Files.readAllBytes(
new File("src/test/resources/org/onap/policy/simulators/dmaap/TopicParameters.json").toPath()),
StandardCharsets.UTF_8);
topicJson = topicJson.replace("${port}", String.valueOf(Util.DMAAPSIM_SERVER_PORT));
TopicParameterGroup topicConfig = new StandardCoder().decode(topicJson, TopicParameterGroup.class);
TopicEndpointManager.getManager().addTopics(topicConfig);
TopicEndpointManager.getManager().start();
queue = new LinkedBlockingQueue<>();
}
@After
public void tearDown() {
TopicEndpointManager.getManager().shutdown();
HttpServletServerFactoryInstance.getServerFactory().destroy();
}
@Test
public void test() throws InterruptedException {
TopicEndpointManager.getManager().getDmaapTopicSource(TOPIC)
.register((infra, topic, event) -> queue.add(event));
DmaapTopicSink sink = TopicEndpointManager.getManager().getDmaapTopicSink(TOPIC);
assertThat(queue.poll(1, TimeUnit.SECONDS)).isNull();
sink.send("hello");
assertEquals("hello", queue.poll(MAX_WAIT_SEC, TimeUnit.SECONDS));
sink.send("world");
assertEquals("world", queue.poll(MAX_WAIT_SEC, TimeUnit.SECONDS));
}
}
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