gerrit.onap Code Review - ccsdk/oran.git/blob

   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.ArgumentMatchers.anySet;
  27 import static org.mockito.Mockito.doReturn;
  28 import static org.mockito.Mockito.times;
  29 import static org.mockito.Mockito.verify;
  30 import static org.mockito.Mockito.verifyNoMoreInteractions;
  31 import static org.mockito.Mockito.when;
  32
  33 import java.time.Duration;
  34 import java.time.Instant;
  35 import java.util.Arrays;
  36 import java.util.Collections;
  37
  38 import org.junit.jupiter.api.BeforeEach;
  39 import org.junit.jupiter.api.Test;
  40 import org.junit.jupiter.api.extension.ExtendWith;
  41 import org.mockito.Mock;
  42 import org.mockito.junit.jupiter.MockitoExtension;
  43 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1Client;
  44 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1ClientFactory;
  45 import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClientFactory;
  46 import org.onap.ccsdk.oran.a1policymanagementservice.clients.SecurityContext;
  47 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
  48 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.RicConfig;
  49 import org.onap.ccsdk.oran.a1policymanagementservice.exceptions.ServiceException;
  50 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Lock.LockType;
  51 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Policies;
  52 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Policy;
  53 import org.onap.ccsdk.oran.a1policymanagementservice.repository.PolicyType;
  54 import org.onap.ccsdk.oran.a1policymanagementservice.repository.PolicyTypes;
  55 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Ric;
  56 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Ric.RicState;
  57 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Rics;
  58 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Service;
  59 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Services;
  60 import org.springframework.web.reactive.function.client.WebClientRequestException;
  61 import org.springframework.web.reactive.function.client.WebClientResponseException;
  62
  63 import reactor.core.publisher.Flux;
  64 import reactor.core.publisher.Mono;
  65
  66 @ExtendWith(MockitoExtension.class)
  67 class RicSynchronizationTaskTest {
  68     private static final String POLICY_TYPE_1_NAME = "type1";
  69     private static final PolicyType POLICY_TYPE_1 = PolicyType.builder() //
  70             .id(POLICY_TYPE_1_NAME) //
  71             .schema("") //
  72             .build();
  73
  74     private static final String RIC_1_NAME = "ric1";
  75
  76     private static Ric ric1;
  77
  78     private static Policy createPolicy(String policyId, boolean isTransient) {
  79         return Policy.builder() //
  80                 .id(policyId) //
  81                 .json("") //
  82                 .ownerServiceId("service") //
  83                 .ric(ric1) //
  84                 .type(POLICY_TYPE_1) //
  85                 .lastModified(Instant.now()) //
  86                 .isTransient(isTransient) //
  87                 .statusNotificationUri("statusNotificationUri") //
  88                 .build();
  89     }
  90
  91     private static Policy policy1;
  92     private static final String SERVICE_1_NAME = "service1";
  93     private static final String SERVICE_1_CALLBACK_URL = "callbackUrl";
  94     private static Service service1;
  95
  96     @Mock
  97     private A1Client a1ClientMock;
  98
  99     @Mock
 100     private A1ClientFactory a1ClientFactoryMock;
 101
 102     private PolicyTypes policyTypes;
 103     private Policies policies;
 104     private Services services;
 105     private Rics rics;
 106
 107     private final ApplicationConfig appConfig = new ApplicationConfig();
 108
 109     @BeforeEach
 110     void init() {
 111         ric1 = new Ric(RicConfig.builder() //
 112                 .ricId(RIC_1_NAME) //
 113                 .baseUrl("baseUrl1") //
 114                 .controllerName("controllerName") //
 115                 .build());
 116         policy1 = createPolicy("policyId1", false);
 117         policyTypes = new PolicyTypes(appConfig);
 118         policies = new Policies(appConfig);
 119         services = new Services(appConfig);
 120         rics = new Rics();
 121
 122         service1 = new Service(SERVICE_1_NAME, Duration.ofSeconds(1), SERVICE_1_CALLBACK_URL);
 123     }
 124
 125     private RicSynchronizationTask createTask() {
 126         ApplicationConfig config = new ApplicationConfig();
 127         AsyncRestClientFactory restClientFactory =
 128                 new AsyncRestClientFactory(config.getWebClientConfig(), new SecurityContext(""));
 129         return new RicSynchronizationTask(a1ClientFactoryMock, policyTypes, policies, services, restClientFactory,
 130                 rics);
 131     };
 132
 133     @Test
 134     void ricIdleAndErrorDeletingPoliciesAllTheTime_thenSynchronizationWithFailedRecovery() {
 135         setUpCreationOfA1Client();
 136         simulateRicWithNoPolicyTypes();
 137         policies.put(policy1);
 138         WebClientResponseException exception = new WebClientResponseException(404, "", null, null, null);
 139         when(a1ClientMock.deleteAllPolicies(anySet())).thenReturn(Flux.error(exception));
 140         ric1.setState(RicState.AVAILABLE);
 141         runSynch(ric1);
 142         await().untilAsserted(() -> RicState.UNAVAILABLE.equals(ric1.getState()));
 143         assertThat(policies.size()).isZero();
 144         assertThat(ric1.getState()).isEqualTo(RicState.UNAVAILABLE);
 145     }
 146
 147     @Test
 148     void testConnectionError() {
 149         setUpCreationOfA1Client();
 150         simulateRicWithNoPolicyTypes();
 151         policies.put(policy1);
 152         WebClientRequestException exception =
 153                 new WebClientRequestException(new ServiceException("x"), null, null, null);
 154         when(a1ClientMock.deleteAllPolicies(anySet())).thenReturn(Flux.error(exception));
 155         ric1.setState(RicState.AVAILABLE);
 156         runSynch(ric1);
 157         await().untilAsserted(() -> RicState.UNAVAILABLE.equals(ric1.getState()));
 158     }
 159
 160     @Test
 161     void ricIdlePolicyTypeInRepo_thenSynchronizationWithReuseOfTypeFromRepoAndCorrectServiceNotified() {
 162         rics.put(ric1);
 163         ric1.setState(RicState.AVAILABLE);
 164
 165         policyTypes.put(POLICY_TYPE_1);
 166
 167         services.put(service1);
 168         Service serviceWithoutCallbackUrlShouldNotBeNotified = new Service("service2", Duration.ofSeconds(1), "");
 169         services.put(serviceWithoutCallbackUrlShouldNotBeNotified);
 170
 171         setUpCreationOfA1Client();
 172         simulateRicWithOnePolicyType();
 173
 174         ric1.setState(RicState.UNAVAILABLE);
 175         runSynch(ric1);
 176         await().untilAsserted(() -> RicState.AVAILABLE.equals(ric1.getState()));
 177
 178         verify(a1ClientMock, times(1)).getPolicyTypeIdentities();
 179         verifyNoMoreInteractions(a1ClientMock);
 180
 181         assertThat(policyTypes.size()).isEqualTo(1);
 182         assertThat(policies.size()).isZero();
 183         assertThat(ric1.getState()).isEqualTo(RicState.AVAILABLE);
 184     }
 185
 186     @Test
 187     void ricIdlePolicyTypeNotInRepo_thenSynchronizationWithTypeFromRic() throws Exception {
 188         ric1.setState(RicState.AVAILABLE);
 189         rics.put(ric1);
 190
 191         setUpCreationOfA1Client();
 192         simulateRicWithOnePolicyType();
 193         String typeSchema = "schema";
 194         when(a1ClientMock.getPolicyTypeSchema(POLICY_TYPE_1_NAME)).thenReturn(Mono.just(typeSchema));
 195
 196         ric1.setState(RicState.UNAVAILABLE);
 197         runSynch(ric1);
 198         await().untilAsserted(() -> RicState.AVAILABLE.equals(ric1.getState()));
 199
 200         verify(a1ClientMock).getPolicyTypeIdentities();
 201         verifyNoMoreInteractions(a1ClientMock);
 202
 203         assertThat(policyTypes.size()).isEqualTo(1);
 204         assertThat(policyTypes.getType(POLICY_TYPE_1_NAME).getSchema()).isEqualTo(typeSchema);
 205         assertThat(policies.size()).isZero();
 206         assertThat(ric1.getState()).isEqualTo(RicState.AVAILABLE);
 207     }
 208
 209     @Test
 210     void ricIdleAndHavePolicies_thenSynchronizationWithRecreationOfPolicies() {
 211         ric1.setState(RicState.AVAILABLE);
 212         rics.put(ric1);
 213
 214         Policy transientPolicy = createPolicy("transientPolicyId", true);
 215
 216         policies.put(transientPolicy);
 217         policies.put(policy1);
 218
 219         setUpCreationOfA1Client();
 220         simulateRicWithNoPolicyTypes();
 221
 222         when(a1ClientMock.deleteAllPolicies(anySet())).thenReturn(Flux.just("OK"));
 223         when(a1ClientMock.putPolicy(any(Policy.class))).thenReturn(Mono.just("OK"));
 224
 225         ric1.setState(RicState.UNAVAILABLE);
 226         runSynch(ric1);
 227         await().untilAsserted(() -> RicState.AVAILABLE.equals(ric1.getState()));
 228
 229         verify(a1ClientMock).deleteAllPolicies(anySet());
 230         verify(a1ClientMock).putPolicy(policy1);
 231         verifyNoMoreInteractions(a1ClientMock);
 232
 233         assertThat(policyTypes.size()).isZero();
 234         assertThat(policies.size()).isEqualTo(1); // The transient policy shall be deleted
 235         assertThat(ric1.getState()).isEqualTo(RicState.AVAILABLE);
 236     }
 237
 238     private void runSynch(Ric ric) {
 239         RicSynchronizationTask synchronizerUnderTest = createTask();
 240         ric.getLock().lock(LockType.EXCLUSIVE, "RicSynchronizationTask") //
 241                 .flatMap(notUsed -> synchronizerUnderTest.synchronizeRic(ric)) //
 242                 .doFinally(sig -> ric.getLock().unlockBlocking()) //
 243                 .block();
 244     }
 245
 246     private void setUpCreationOfA1Client() {
 247         when(a1ClientFactoryMock.createA1Client(any(Ric.class))).thenReturn(Mono.just(a1ClientMock));
 248         doReturn(Flux.empty()).when(a1ClientMock).deleteAllPolicies(anySet());
 249     }
 250
 251     private void simulateRicWithOnePolicyType() {
 252         when(a1ClientMock.getPolicyTypeIdentities()).thenReturn(Mono.just(Arrays.asList(POLICY_TYPE_1_NAME)));
 253     }
 254
 255     private void simulateRicWithNoPolicyTypes() {
 256         when(a1ClientMock.getPolicyTypeIdentities()).thenReturn(Mono.just(Collections.emptyList()));
 257     }
 258 }