Use BidirectionalTopicClient from policy-common
[policy/models.git] / models-interactions / model-actors / actorServiceProvider / src / test / java / org / onap / policy / controlloop / actorserviceprovider / topic / TopicListenerImplTest.java
1 /*-
2  * ============LICENSE_START=======================================================
3  * ONAP
4  * ================================================================================
5  * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
6  * ================================================================================
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  *      http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  * ============LICENSE_END=========================================================
19  */
20
21 package org.onap.policy.controlloop.actorserviceprovider.topic;
22
23 import static org.junit.Assert.assertNotNull;
24 import static org.junit.Assert.assertNotSame;
25 import static org.junit.Assert.assertSame;
26 import static org.mockito.ArgumentMatchers.any;
27 import static org.mockito.ArgumentMatchers.eq;
28 import static org.mockito.Mockito.never;
29 import static org.mockito.Mockito.verify;
30
31 import java.util.Arrays;
32 import java.util.Map;
33 import java.util.function.BiConsumer;
34 import org.junit.Before;
35 import org.junit.Test;
36 import org.mockito.Mock;
37 import org.mockito.MockitoAnnotations;
38 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
39 import org.onap.policy.common.utils.coder.CoderException;
40 import org.onap.policy.common.utils.coder.StandardCoder;
41 import org.onap.policy.common.utils.coder.StandardCoderObject;
42
43 public class TopicListenerImplTest {
44     private static final StandardCoder coder = new StandardCoder();
45     private static final CommInfrastructure INFRA = CommInfrastructure.NOOP;
46     private static final String MY_TOPIC = "my-topic";
47     private static final String KEY1 = "requestId";
48     private static final String KEY2 = "container";
49     private static final String SUBKEY = "subRequestId";
50
51     private static final String VALUEA_REQID = "hello";
52     private static final String VALUEA_SUBREQID = "world";
53
54     private static final String VALUEB_REQID = "bye";
55
56     private Forwarder forwarder1;
57     private Forwarder forwarder2;
58     private TopicListenerImpl topic;
59
60     @Mock
61     private BiConsumer<String, StandardCoderObject> listener1;
62
63     @Mock
64     private BiConsumer<String, StandardCoderObject> listener1b;
65
66     @Mock
67     private BiConsumer<String, StandardCoderObject> listener2;
68
69
70     /**
71      * Sets up.
72      */
73     @Before
74     public void setUp() {
75         MockitoAnnotations.initMocks(this);
76
77         topic = new TopicListenerImpl();
78
79         forwarder1 = topic.addForwarder(new SelectorKey(KEY1));
80         forwarder2 = topic.addForwarder(new SelectorKey(KEY1), new SelectorKey(KEY2, SUBKEY));
81
82         assertNotNull(forwarder1);
83         assertNotNull(forwarder2);
84         assertNotSame(forwarder1, forwarder2);
85
86         forwarder1.register(Arrays.asList(VALUEA_REQID), listener1);
87         forwarder1.register(Arrays.asList(VALUEB_REQID), listener1b);
88         forwarder2.register(Arrays.asList(VALUEA_REQID, VALUEA_SUBREQID), listener2);
89     }
90
91     @Test
92     public void testShutdown() {
93         // shut it down, which should clear all forwarders
94         topic.shutdown();
95
96         // should get a new forwarder now
97         Forwarder forwarder = topic.addForwarder(new SelectorKey(KEY1));
98         assertNotSame(forwarder1, forwarder);
99         assertNotSame(forwarder2, forwarder);
100
101         // new forwarder should be unchanged
102         assertSame(forwarder, topic.addForwarder(new SelectorKey(KEY1)));
103     }
104
105     @Test
106     public void testAddForwarder() {
107         assertSame(forwarder1, topic.addForwarder(new SelectorKey(KEY1)));
108         assertSame(forwarder2, topic.addForwarder(new SelectorKey(KEY1), new SelectorKey(KEY2, SUBKEY)));
109     }
110
111     @Test
112     public void testOnTopicEvent() {
113         /*
114          * send a message that should go to listener1 on forwarder1 and listener2 on
115          * forwarder2
116          */
117         String msg = makeMessage(Map.of(KEY1, VALUEA_REQID, KEY2, Map.of(SUBKEY, VALUEA_SUBREQID)));
118         topic.onTopicEvent(INFRA, MY_TOPIC, msg);
119
120         verify(listener1).accept(eq(msg), any());
121         verify(listener2).accept(eq(msg), any());
122
123         // not to listener1b
124         verify(listener1b, never()).accept(any(), any());
125
126         /*
127          * now send a message that should only go to listener1b on forwarder1
128          */
129         msg = makeMessage(Map.of(KEY1, VALUEB_REQID, KEY2, Map.of(SUBKEY, VALUEA_SUBREQID)));
130         topic.onTopicEvent(INFRA, MY_TOPIC, msg);
131
132         // should route to listener1 on forwarder1 and listener2 on forwarder2
133         verify(listener1b).accept(eq(msg), any());
134
135         // try one where the coder throws an exception
136         topic.onTopicEvent(INFRA, MY_TOPIC, "{invalid-json");
137
138         // no extra invocations
139         verify(listener1).accept(any(), any());
140         verify(listener1b).accept(any(), any());
141         verify(listener2).accept(any(), any());
142     }
143
144     /**
145      * Makes a message from a map.
146      */
147     private String makeMessage(Map<String, Object> map) {
148         try {
149             return coder.encode(map);
150         } catch (CoderException e) {
151             throw new IllegalArgumentException(e);
152         }
153     }
154 }