fae054751e266302a2b0aa2ae20232a39d319156
[ccsdk/oran.git] /
1 /*-
2  * ========================LICENSE_START=================================
3  * ONAP : ccsdk oran
4  * ======================================================================
5  * Copyright (C) 2020 Nordix Foundation. 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.ccsdk.oran.a1policymanagementservice.tasks;
22
23 import static org.assertj.core.api.Assertions.assertThat;
24 import static org.awaitility.Awaitility.await;
25 import static org.mockito.ArgumentMatchers.any;
26 import static org.mockito.Mockito.doReturn;
27 import static org.mockito.Mockito.spy;
28 import static org.mockito.Mockito.times;
29 import static org.mockito.Mockito.verify;
30 import static org.mockito.Mockito.verifyNoInteractions;
31 import static org.mockito.Mockito.verifyNoMoreInteractions;
32 import static org.mockito.Mockito.when;
33
34 import java.time.Duration;
35 import java.time.Instant;
36 import java.util.Arrays;
37 import java.util.Collections;
38
39 import org.junit.jupiter.api.BeforeEach;
40 import org.junit.jupiter.api.Test;
41 import org.junit.jupiter.api.extension.ExtendWith;
42 import org.mockito.Mock;
43 import org.mockito.junit.jupiter.MockitoExtension;
44 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1Client;
45 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1ClientFactory;
46 import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClientFactory;
47 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
48 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ImmutableRicConfig;
49 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Policies;
50 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Policy;
51 import org.onap.ccsdk.oran.a1policymanagementservice.repository.PolicyType;
52 import org.onap.ccsdk.oran.a1policymanagementservice.repository.PolicyTypes;
53 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Ric;
54 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Ric.RicState;
55 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Rics;
56 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Service;
57 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Services;
58
59 import reactor.core.publisher.Flux;
60 import reactor.core.publisher.Mono;
61
62 @ExtendWith(MockitoExtension.class)
63 class RicSynchronizationTaskTest {
64     private static final String POLICY_TYPE_1_NAME = "type1";
65     private static final PolicyType POLICY_TYPE_1 = PolicyType.builder() //
66             .id(POLICY_TYPE_1_NAME) //
67             .schema("") //
68             .build();
69
70     private static final String RIC_1_NAME = "ric1";
71
72     private static final Ric RIC_1 = new Ric(ImmutableRicConfig.builder() //
73             .ricId(RIC_1_NAME) //
74             .baseUrl("baseUrl1") //
75             .managedElementIds(Collections.emptyList()) //
76             .controllerName("controllerName") //
77             .build());
78
79     private static Policy createPolicy(String policyId, boolean isTransient) {
80         return Policy.builder() //
81                 .id(policyId) //
82                 .json("") //
83                 .ownerServiceId("service") //
84                 .ric(RIC_1) //
85                 .type(POLICY_TYPE_1) //
86                 .lastModified(Instant.now()) //
87                 .isTransient(isTransient) //
88                 .statusNotificationUri("statusNotificationUri") //
89                 .build();
90     }
91
92     private static final Policy POLICY_1 = createPolicy("policyId1", false);
93
94     private static final String SERVICE_1_NAME = "service1";
95     private static final String SERVICE_1_CALLBACK_URL = "callbackUrl";
96     private static final Service SERVICE_1 = new Service(SERVICE_1_NAME, Duration.ofSeconds(1), SERVICE_1_CALLBACK_URL);
97
98     @Mock
99     private A1Client a1ClientMock;
100
101     @Mock
102     private A1ClientFactory a1ClientFactoryMock;
103
104     private PolicyTypes policyTypes;
105     private Policies policies;
106     private Services services;
107     private Rics rics;
108
109     private final ApplicationConfig appConfig = new ApplicationConfig();
110
111     @BeforeEach
112     void init() {
113         policyTypes = new PolicyTypes(appConfig);
114         policies = new Policies(appConfig);
115         services = new Services(appConfig);
116         rics = new Rics();
117         RIC_1.setState(RicState.UNAVAILABLE);
118         RIC_1.clearSupportedPolicyTypes();
119     }
120
121     private RicSynchronizationTask createTask() {
122         ApplicationConfig config = new ApplicationConfig();
123         AsyncRestClientFactory restClientFactory = new AsyncRestClientFactory(config.getWebClientConfig());
124         return new RicSynchronizationTask(a1ClientFactoryMock, policyTypes, policies, services, restClientFactory,
125                 rics);
126     };
127
128     @Test
129     void ricAlreadySynchronizing_thenNoSynchronization() {
130         RIC_1.setState(RicState.SYNCHRONIZING);
131         RIC_1.addSupportedPolicyType(POLICY_TYPE_1);
132
133         policyTypes.put(POLICY_TYPE_1);
134         policies.put(POLICY_1);
135
136         RicSynchronizationTask synchronizerUnderTest = createTask();
137
138         synchronizerUnderTest.run(RIC_1);
139
140         verifyNoInteractions(a1ClientMock);
141
142         assertThat(policyTypes.size()).isEqualTo(1);
143         assertThat(policies.size()).isEqualTo(1);
144         assertThat(RIC_1.getState()).isEqualTo(RicState.SYNCHRONIZING);
145         assertThat(RIC_1.getSupportedPolicyTypeNames()).hasSize(1);
146     }
147
148     @Test
149     void ricIdlePolicyTypeInRepo_thenSynchronizationWithReuseOfTypeFromRepoAndCorrectServiceNotified() {
150         rics.put(RIC_1);
151         RIC_1.setState(RicState.AVAILABLE);
152
153         policyTypes.put(POLICY_TYPE_1);
154
155         services.put(SERVICE_1);
156         Service serviceWithoutCallbackUrlShouldNotBeNotified = new Service("service2", Duration.ofSeconds(1), "");
157         services.put(serviceWithoutCallbackUrlShouldNotBeNotified);
158
159         setUpCreationOfA1Client();
160         simulateRicWithOnePolicyType();
161
162         RicSynchronizationTask synchronizerUnderTest = spy(createTask());
163
164         synchronizerUnderTest.run(RIC_1);
165         await().untilAsserted(() -> RicState.AVAILABLE.equals(RIC_1.getState()));
166
167         verify(a1ClientMock, times(1)).getPolicyTypeIdentities();
168         verifyNoMoreInteractions(a1ClientMock);
169
170         verify(synchronizerUnderTest).run(RIC_1);
171
172         assertThat(policyTypes.size()).isEqualTo(1);
173         assertThat(policies.size()).isZero();
174         assertThat(RIC_1.getState()).isEqualTo(RicState.AVAILABLE);
175     }
176
177     @Test
178     void ricIdlePolicyTypeNotInRepo_thenSynchronizationWithTypeFromRic() throws Exception {
179         RIC_1.setState(RicState.AVAILABLE);
180         rics.put(RIC_1);
181
182         setUpCreationOfA1Client();
183         simulateRicWithOnePolicyType();
184         String typeSchema = "schema";
185         when(a1ClientMock.getPolicyTypeSchema(POLICY_TYPE_1_NAME)).thenReturn(Mono.just(typeSchema));
186
187         RicSynchronizationTask synchronizerUnderTest = createTask();
188
189         synchronizerUnderTest.run(RIC_1);
190         await().untilAsserted(() -> RicState.AVAILABLE.equals(RIC_1.getState()));
191
192         verify(a1ClientMock).getPolicyTypeIdentities();
193         verifyNoMoreInteractions(a1ClientMock);
194
195         assertThat(policyTypes.size()).isEqualTo(1);
196         assertThat(policyTypes.getType(POLICY_TYPE_1_NAME).getSchema()).isEqualTo(typeSchema);
197         assertThat(policies.size()).isZero();
198         assertThat(RIC_1.getState()).isEqualTo(RicState.AVAILABLE);
199     }
200
201     @Test
202     void ricIdleAndHavePolicies_thenSynchronizationWithRecreationOfPolicies() {
203         RIC_1.setState(RicState.AVAILABLE);
204         rics.put(RIC_1);
205
206         Policy transientPolicy = createPolicy("transientPolicyId", true);
207
208         policies.put(transientPolicy);
209         policies.put(POLICY_1);
210
211         setUpCreationOfA1Client();
212         simulateRicWithNoPolicyTypes();
213
214         when(a1ClientMock.deleteAllPolicies()).thenReturn(Flux.just("OK"));
215         when(a1ClientMock.putPolicy(any(Policy.class))).thenReturn(Mono.just("OK"));
216
217         RicSynchronizationTask synchronizerUnderTest = createTask();
218
219         synchronizerUnderTest.run(RIC_1);
220         await().untilAsserted(() -> RicState.AVAILABLE.equals(RIC_1.getState()));
221         verify(a1ClientMock).deleteAllPolicies();
222         verify(a1ClientMock).putPolicy(POLICY_1);
223         verifyNoMoreInteractions(a1ClientMock);
224
225         assertThat(policyTypes.size()).isZero();
226         assertThat(policies.size()).isEqualTo(1); // The transient policy shall be deleted
227         assertThat(RIC_1.getState()).isEqualTo(RicState.AVAILABLE);
228     }
229
230     @Test
231     void ricIdleAndErrorDeletingPoliciesFirstTime_thenSynchronizationWithDeletionOfPolicies() {
232         RIC_1.setState(RicState.AVAILABLE);
233         rics.put(RIC_1);
234
235         policies.put(POLICY_1);
236
237         setUpCreationOfA1Client();
238         simulateRicWithNoPolicyTypes();
239
240         when(a1ClientMock.deleteAllPolicies()) //
241                 .thenReturn(Flux.error(new Exception("Exception"))) //
242                 .thenReturn(Flux.just("OK"));
243
244         RicSynchronizationTask synchronizerUnderTest = createTask();
245
246         synchronizerUnderTest.run(RIC_1);
247         await().untilAsserted(() -> RicState.AVAILABLE.equals(RIC_1.getState()));
248
249         verify(a1ClientMock, times(2)).deleteAllPolicies();
250         verifyNoMoreInteractions(a1ClientMock);
251
252         assertThat(policyTypes.size()).isZero();
253         assertThat(policies.size()).isZero();
254         assertThat(RIC_1.getState()).isEqualTo(RicState.AVAILABLE);
255     }
256
257     @Test
258     void ricIdleAndErrorDeletingPoliciesAllTheTime_thenSynchronizationWithFailedRecovery() {
259         RIC_1.setState(RicState.AVAILABLE);
260
261         policies.put(POLICY_1);
262
263         setUpCreationOfA1Client();
264         simulateRicWithNoPolicyTypes();
265
266         String originalErrorMessage = "Exception";
267         when(a1ClientMock.deleteAllPolicies()).thenReturn(Flux.error(new Exception(originalErrorMessage)));
268
269         RicSynchronizationTask synchronizerUnderTest = createTask();
270
271         synchronizerUnderTest.run(RIC_1);
272         await().untilAsserted(() -> RicState.AVAILABLE.equals(RIC_1.getState()));
273
274         verify(a1ClientMock, times(2)).deleteAllPolicies();
275         verifyNoMoreInteractions(a1ClientMock);
276
277         assertThat(policyTypes.size()).isZero();
278         assertThat(policies.size()).isZero();
279         assertThat(RIC_1.getState()).isEqualTo(RicState.UNAVAILABLE);
280     }
281
282     private void setUpCreationOfA1Client() {
283         when(a1ClientFactoryMock.createA1Client(any(Ric.class))).thenReturn(Mono.just(a1ClientMock));
284         doReturn(Flux.empty()).when(a1ClientMock).deleteAllPolicies();
285     }
286
287     private void simulateRicWithOnePolicyType() {
288         when(a1ClientMock.getPolicyTypeIdentities()).thenReturn(Mono.just(Arrays.asList(POLICY_TYPE_1_NAME)));
289     }
290
291     private void simulateRicWithNoPolicyTypes() {
292         when(a1ClientMock.getPolicyTypeIdentities()).thenReturn(Mono.just(Collections.emptyList()));
293     }
294 }