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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.common.endpoints.event.comm.client;
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.assertSame;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.util.Arrays;
import java.util.Map;
import java.util.Properties;
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.Topic.CommInfrastructure;
import org.onap.policy.common.endpoints.event.comm.TopicEndpoint;
import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
import org.onap.policy.common.endpoints.event.comm.TopicListener;
import org.onap.policy.common.endpoints.event.comm.TopicSink;
import org.onap.policy.common.endpoints.event.comm.TopicSource;
public class BidirectionalTopicClientTest {
private static final String SINK_TOPIC = "my-sink-topic";
private static final String SOURCE_TOPIC = "my-source-topic";
private static final CommInfrastructure SINK_INFRA = CommInfrastructure.UEB;
private static final CommInfrastructure SOURCE_INFRA = CommInfrastructure.NOOP;
@Mock
private TopicSink sink;
@Mock
private TopicSource source;
@Mock
private TopicEndpoint endpoint;
@Mock
private TopicListener listener;
private BidirectionalTopicClient client;
/**
* Configures the endpoints.
*/
@BeforeClass
public static void setUpBeforeClass() {
Properties props = new Properties();
props.setProperty("noop.sink.topics", SINK_TOPIC);
props.setProperty("noop.source.topics", SOURCE_TOPIC);
// clear all topics and then configure one sink and one source
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();
}
/**
* Creates mocks and an initial client object.
*/
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
when(sink.send(anyString())).thenReturn(true);
when(sink.getTopicCommInfrastructure()).thenReturn(SINK_INFRA);
when(source.offer(anyString())).thenReturn(true);
when(source.getTopicCommInfrastructure()).thenReturn(SOURCE_INFRA);
when(endpoint.getTopicSinks(anyString())).thenReturn(Arrays.asList());
when(endpoint.getTopicSinks(SINK_TOPIC)).thenReturn(Arrays.asList(sink));
when(endpoint.getTopicSources(any())).thenReturn(Arrays.asList());
when(endpoint.getTopicSources(eq(Arrays.asList(SOURCE_TOPIC)))).thenReturn(Arrays.asList(source));
client = new BidirectionalTopicClient2(SINK_TOPIC, SOURCE_TOPIC);
}
@Test
public void testBidirectionalTopicClient_testGetters() {
assertNotNull(client.getSinkClient());
assertSame(sink, client.getSink());
assertSame(source, client.getSource());
assertEquals(SINK_TOPIC, client.getSinkTopic());
assertEquals(SOURCE_TOPIC, client.getSourceTopic());
assertEquals(SINK_INFRA, client.getSinkTopicCommInfrastructure());
assertEquals(SOURCE_INFRA, client.getSourceTopicCommInfrastructure());
}
/**
* Tests the constructor when the sink or source cannot be found.
*/
@Test
public void testBidirectionalTopicClientExceptions() {
assertThatThrownBy(() -> new BidirectionalTopicClient2("unknown-sink", SOURCE_TOPIC))
.isInstanceOf(BidirectionalTopicClientException.class)
.hasCauseInstanceOf(TopicSinkClientException.class);
assertThatThrownBy(() -> new BidirectionalTopicClient2(SINK_TOPIC, "unknown-source"))
.isInstanceOf(BidirectionalTopicClientException.class)
.hasMessage("no sources for topic: unknown-source");
// too many sources
when(endpoint.getTopicSources(eq(Arrays.asList(SOURCE_TOPIC)))).thenReturn(Arrays.asList(source, source));
assertThatThrownBy(() -> new BidirectionalTopicClient2(SINK_TOPIC, SOURCE_TOPIC))
.isInstanceOf(BidirectionalTopicClientException.class)
.hasMessage("too many sources for topic: my-source-topic");
}
/**
* Tests the "delegate" methods.
*/
@Test
public void testDelegates() {
assertTrue(client.send(Map.of("outgoing", "outgoing-text")));
verify(sink).send("{\"outgoing\":\"outgoing-text\"}");
assertTrue(client.offer("incoming"));
verify(source).offer("incoming");
client.register(listener);
verify(source).register(listener);
client.unregister(listener);
verify(source).unregister(listener);
}
@Test
public void testGetTopicEndpointManager() throws BidirectionalTopicClientException {
// use a real manager
client = new BidirectionalTopicClient(SINK_TOPIC, SOURCE_TOPIC);
assertNotNull(client.getTopicEndpointManager());
assertNotNull(client.getSink());
assertNotNull(client.getSource());
assertNotSame(sink, client.getSink());
assertNotSame(source, client.getSource());
}
/**
* BidirectionalTopicClient with some overrides.
*/
private class BidirectionalTopicClient2 extends BidirectionalTopicClient {
public BidirectionalTopicClient2(String sinkTopic, String sourceTopic)
throws BidirectionalTopicClientException {
super(sinkTopic, sourceTopic);
}
@Override
protected TopicEndpoint getTopicEndpointManager() {
return endpoint;
}
}
}
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