2 * ============LICENSE_START=======================================================
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
11 * http://www.apache.org/licenses/LICENSE-2.0
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=========================================================
21 package org.onap.policy.controlloop.actorserviceprovider.controlloop;
23 import static org.assertj.core.api.Assertions.assertThatThrownBy;
24 import static org.junit.Assert.assertEquals;
25 import static org.junit.Assert.assertFalse;
26 import static org.junit.Assert.assertNotNull;
27 import static org.junit.Assert.assertNull;
28 import static org.junit.Assert.assertSame;
29 import static org.junit.Assert.assertTrue;
30 import static org.mockito.Mockito.mock;
31 import static org.mockito.Mockito.verify;
32 import static org.mockito.Mockito.when;
35 import java.util.UUID;
36 import java.util.concurrent.CompletableFuture;
37 import org.junit.Before;
38 import org.junit.Test;
39 import org.onap.policy.controlloop.VirtualControlLoopEvent;
40 import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome;
41 import org.onap.policy.controlloop.actorserviceprovider.parameters.ControlLoopOperationParams;
43 public class ControlLoopEventContextTest {
44 private static final String MY_KEY = "def";
45 private static final UUID REQ_ID = UUID.randomUUID();
46 private static final String ITEM_KEY = "obtain-C";
48 private Map<String, String> enrichment;
49 private VirtualControlLoopEvent event;
50 private ControlLoopEventContext context;
53 * Initializes data, including {@link #context}.
57 enrichment = Map.of("abc", "one", MY_KEY, "two");
59 event = new VirtualControlLoopEvent();
60 event.setRequestId(REQ_ID);
61 event.setAai(enrichment);
63 context = new ControlLoopEventContext(event);
67 public void testControlLoopEventContext() {
68 assertSame(event, context.getEvent());
69 assertSame(REQ_ID, context.getRequestId());
70 assertEquals(enrichment, context.getEnrichment());
73 assertThatThrownBy(() -> new ControlLoopEventContext(null));
75 // no request id, no enrichment data
76 event.setRequestId(null);
78 context = new ControlLoopEventContext(event);
79 assertSame(event, context.getEvent());
80 assertNotNull(context.getRequestId());
81 assertEquals(Map.of(), context.getEnrichment());
85 public void testContains_testGetProperty_testSetProperty_testRemoveProperty() {
86 context.setProperty("abc", "a string");
87 context.setProperty(MY_KEY, 100);
89 assertTrue(context.contains(MY_KEY));
90 assertFalse(context.contains("ghi"));
92 String strValue = context.getProperty("abc");
93 assertEquals("a string", strValue);
95 int intValue = context.getProperty(MY_KEY);
96 assertEquals(100, intValue);
98 context.removeProperty(MY_KEY);
99 assertFalse(context.contains(MY_KEY));
103 public void testObtain() {
104 final ControlLoopOperationParams params = mock(ControlLoopOperationParams.class);
106 // property is already loaded
107 context.setProperty("obtain-A", "value-A");
108 assertNull(context.obtain("obtain-A", params));
110 // new property - should retrieve
111 CompletableFuture<OperationOutcome> future = new CompletableFuture<>();
112 when(params.start()).thenReturn(future);
113 assertSame(future, context.obtain("obtain-B", params));
115 // repeat - should get the same future, without invoking start() again
116 assertSame(future, context.obtain("obtain-B", params));
117 verify(params).start();
119 // arrange for another invoker to start while this one is starting
120 CompletableFuture<OperationOutcome> future2 = new CompletableFuture<>();
122 when(params.start()).thenAnswer(args -> {
124 ControlLoopOperationParams params2 = mock(ControlLoopOperationParams.class);
125 when(params2.start()).thenReturn(future2);
127 assertSame(future2, context.obtain(ITEM_KEY, params2));
131 assertSame(future2, context.obtain(ITEM_KEY, params));
133 // should have canceled the interrupted future
134 assertTrue(future.isCancelled());
136 // return a new future next time start() is called
137 CompletableFuture<OperationOutcome> future3 = new CompletableFuture<>();
138 when(params.start()).thenReturn(future3);
140 // repeat - should get the same future
141 assertSame(future2, context.obtain(ITEM_KEY, params));
142 assertSame(future2, context.obtain(ITEM_KEY, params));
144 // future2 should still be active
145 assertFalse(future2.isCancelled());
147 // cancel it - now we should get the new future
148 future2.cancel(false);
149 assertSame(future3, context.obtain(ITEM_KEY, params));