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 UUID REQ_ID = UUID.randomUUID();
45 private static final String ITEM_KEY = "obtain-C";
47 private Map<String, String> enrichment;
48 private VirtualControlLoopEvent event;
49 private ControlLoopEventContext context;
52 * Initializes data, including {@link #context}.
56 enrichment = Map.of("abc", "one", "def", "two");
58 event = new VirtualControlLoopEvent();
59 event.setRequestId(REQ_ID);
60 event.setAai(enrichment);
62 context = new ControlLoopEventContext(event);
66 public void testControlLoopEventContext() {
67 assertSame(event, context.getEvent());
68 assertSame(REQ_ID, context.getRequestId());
69 assertEquals(enrichment, context.getEnrichment());
72 assertThatThrownBy(() -> new ControlLoopEventContext(null));
74 // no request id, no enrichment data
75 event.setRequestId(null);
77 context = new ControlLoopEventContext(event);
78 assertSame(event, context.getEvent());
79 assertNotNull(context.getRequestId());
80 assertEquals(Map.of(), context.getEnrichment());
84 public void testContains_testGetProperty_testSetProperty() {
85 context.setProperty("abc", "a string");
86 context.setProperty("def", 100);
88 assertFalse(context.contains("ghi"));
90 String strValue = context.getProperty("abc");
91 assertEquals("a string", strValue);
93 int intValue = context.getProperty("def");
94 assertEquals(100, intValue);
98 public void testObtain() {
99 final ControlLoopOperationParams params = mock(ControlLoopOperationParams.class);
101 // property is already loaded
102 context.setProperty("obtain-A", "value-A");
103 assertNull(context.obtain("obtain-A", params));
105 // new property - should retrieve
106 CompletableFuture<OperationOutcome> future = new CompletableFuture<>();
107 when(params.start()).thenReturn(future);
108 assertSame(future, context.obtain("obtain-B", params));
110 // repeat - should get the same future, without invoking start() again
111 assertSame(future, context.obtain("obtain-B", params));
112 verify(params).start();
114 // arrange for another invoker to start while this one is starting
115 CompletableFuture<OperationOutcome> future2 = new CompletableFuture<>();
117 when(params.start()).thenAnswer(args -> {
119 ControlLoopOperationParams params2 = mock(ControlLoopOperationParams.class);
120 when(params2.start()).thenReturn(future2);
122 assertSame(future2, context.obtain(ITEM_KEY, params2));
126 assertSame(future2, context.obtain(ITEM_KEY, params));
128 // should have canceled the interrupted future
129 assertTrue(future.isCancelled());
131 // return a new future next time start() is called
132 CompletableFuture<OperationOutcome> future3 = new CompletableFuture<>();
133 when(params.start()).thenReturn(future3);
135 // repeat - should get the same future
136 assertSame(future2, context.obtain(ITEM_KEY, params));
137 assertSame(future2, context.obtain(ITEM_KEY, params));
139 // future2 should still be active
140 assertFalse(future2.isCancelled());
142 // cancel it - now we should get the new future
143 future2.cancel(false);
144 assertSame(future3, context.obtain(ITEM_KEY, params));