policy-agent/src/test/java/org/oransc/policyagent/tasks/StartupServiceTest.java

   1 /*-
   2  * ========================LICENSE_START=================================
   3  * O-RAN-SC
   4  * %%
   5  * Copyright (C) 2019 Nordix Foundation
   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.oransc.policyagent.tasks;
  22
  23 import static org.assertj.core.api.Assertions.assertThat;
  24 import static org.awaitility.Awaitility.await;
  25 import static org.junit.jupiter.api.Assertions.assertEquals;
  26 import static org.junit.jupiter.api.Assertions.assertNotNull;
  27 import static org.junit.jupiter.api.Assertions.assertTrue;
  28 import static org.mockito.ArgumentMatchers.any;
  29 import static org.mockito.ArgumentMatchers.anyString;
  30 import static org.mockito.Mockito.doReturn;
  31 import static org.mockito.Mockito.mock;
  32 import static org.mockito.Mockito.when;
  33 import static org.oransc.policyagent.repository.Ric.RicState.IDLE;
  34
  35 import com.google.common.collect.ImmutableList;
  36
  37 import java.util.Arrays;
  38 import java.util.Collections;
  39 import java.util.List;
  40 import java.util.Vector;
  41
  42 import org.junit.jupiter.api.BeforeEach;
  43 import org.junit.jupiter.api.Test;
  44 import org.junit.jupiter.api.extension.ExtendWith;
  45 import org.mockito.junit.jupiter.MockitoExtension;
  46 import org.oransc.policyagent.clients.A1Client;
  47 import org.oransc.policyagent.clients.A1ClientFactory;
  48 import org.oransc.policyagent.configuration.ApplicationConfig;
  49 import org.oransc.policyagent.configuration.ImmutableRicConfig;
  50 import org.oransc.policyagent.configuration.RicConfig;
  51 import org.oransc.policyagent.repository.Policies;
  52 import org.oransc.policyagent.repository.Policy;
  53 import org.oransc.policyagent.repository.PolicyType;
  54 import org.oransc.policyagent.repository.PolicyTypes;
  55 import org.oransc.policyagent.repository.Ric;
  56 import org.oransc.policyagent.repository.Ric.RicState;
  57 import org.oransc.policyagent.repository.Rics;
  58 import org.oransc.policyagent.repository.Services;
  59
  60 import reactor.core.publisher.Flux;
  61 import reactor.core.publisher.Mono;
  62
  63 @ExtendWith(MockitoExtension.class)
  64 public class StartupServiceTest {
  65     private static final String FIRST_RIC_NAME = "first";
  66     private static final String FIRST_RIC_URL = "firstUrl";
  67     private static final String SECOND_RIC_NAME = "second";
  68     private static final String SECOND_RIC_URL = "secondUrl";
  69     private static final String MANAGED_NODE_A = "nodeA";
  70     private static final String MANAGED_NODE_B = "nodeB";
  71     private static final String MANAGED_NODE_C = "nodeC";
  72
  73     private static final String POLICY_TYPE_1_NAME = "type1";
  74     private static final String POLICY_TYPE_2_NAME = "type2";
  75
  76     ApplicationConfig appConfigMock;
  77     RefreshConfigTask refreshTaskMock;
  78
  79     A1Client a1ClientMock;
  80     A1ClientFactory a1ClientFactory;
  81
  82     @BeforeEach
  83     public void init() throws Exception {
  84         a1ClientMock = mock(A1Client.class);
  85         a1ClientFactory = mock(A1ClientFactory.class);
  86         appConfigMock = mock(ApplicationConfig.class);
  87         refreshTaskMock = mock(RefreshConfigTask.class);
  88         doReturn(Mono.just(a1ClientMock)).when(a1ClientFactory).createA1Client(any());
  89     }
  90
  91     @Test
  92     public void startupAndAllOk_thenRicsAreConfiguredInRepository() {
  93         Mono<List<String>> policyTypes1 = Mono.just(Arrays.asList(POLICY_TYPE_1_NAME));
  94         Mono<List<String>> policyTypes2 = Mono.just(Arrays.asList(POLICY_TYPE_1_NAME, POLICY_TYPE_2_NAME));
  95         doReturn(policyTypes1, policyTypes2).when(a1ClientMock).getPolicyTypeIdentities();
  96         doReturn(Mono.just("Schema")).when(a1ClientMock).getPolicyTypeSchema(anyString());
  97         doReturn(Flux.empty()).when(a1ClientMock).deleteAllPolicies();
  98
  99         Rics rics = new Rics();
 100         PolicyTypes policyTypes = new PolicyTypes();
 101         StartupService serviceUnderTest = new StartupService(appConfigMock, refreshTaskMock, rics, policyTypes,
 102             a1ClientFactory, new Policies(), new Services());
 103
 104         serviceUnderTest.startup();
 105
 106         serviceUnderTest.onRicConfigUpdate(getRicConfig(FIRST_RIC_NAME, FIRST_RIC_URL, MANAGED_NODE_A),
 107             ApplicationConfig.RicConfigUpdate.ADDED);
 108         serviceUnderTest.onRicConfigUpdate(
 109             getRicConfig(SECOND_RIC_NAME, SECOND_RIC_URL, MANAGED_NODE_B, MANAGED_NODE_C),
 110             ApplicationConfig.RicConfigUpdate.ADDED);
 111
 112         Ric firstRic = rics.get(FIRST_RIC_NAME);
 113         Ric secondRic = rics.get(SECOND_RIC_NAME);
 114         await().untilAsserted(() -> assertThat(firstRic.getState()).isEqualTo(IDLE));
 115         await().untilAsserted(() -> assertThat(secondRic.getState()).isEqualTo(IDLE));
 116
 117         assertTrue(policyTypes.contains(POLICY_TYPE_1_NAME), POLICY_TYPE_1_NAME + " not added to PolicyTypes.");
 118         assertTrue(policyTypes.contains(POLICY_TYPE_2_NAME), POLICY_TYPE_2_NAME + " not added to PolicyTypes.");
 119         assertEquals(2, rics.size(), "Correct number of Rics not added to Rics");
 120
 121         assertNotNull(firstRic, "Ric " + FIRST_RIC_NAME + " not added to repository");
 122         assertEquals(FIRST_RIC_NAME, firstRic.name(), FIRST_RIC_NAME + " not added to Rics");
 123
 124         assertEquals(1, firstRic.getSupportedPolicyTypes().size(),
 125             "Not correct no of types supported for ric " + FIRST_RIC_NAME);
 126         assertTrue(firstRic.isSupportingType(POLICY_TYPE_1_NAME),
 127             POLICY_TYPE_1_NAME + " not supported by ric " + FIRST_RIC_NAME);
 128         assertEquals(1, firstRic.getManagedElementIds().size(),
 129             "Not correct no of managed nodes for ric " + FIRST_RIC_NAME);
 130         assertTrue(firstRic.isManaging(MANAGED_NODE_A), MANAGED_NODE_A + " not managed by ric " + FIRST_RIC_NAME);
 131
 132         assertNotNull(secondRic, "Ric " + SECOND_RIC_NAME + " not added to repository");
 133         assertEquals(SECOND_RIC_NAME, secondRic.name(), SECOND_RIC_NAME + " not added to Rics");
 134         assertEquals(2, secondRic.getSupportedPolicyTypes().size(),
 135             "Not correct no of types supported for ric " + SECOND_RIC_NAME);
 136         assertTrue(secondRic.isSupportingType(POLICY_TYPE_1_NAME),
 137             POLICY_TYPE_1_NAME + " not supported by ric " + SECOND_RIC_NAME);
 138         assertTrue(secondRic.isSupportingType(POLICY_TYPE_2_NAME),
 139             POLICY_TYPE_2_NAME + " not supported by ric " + SECOND_RIC_NAME);
 140         assertEquals(2, secondRic.getManagedElementIds().size(),
 141             "Not correct no of managed nodes for ric " + SECOND_RIC_NAME);
 142         assertTrue(secondRic.isManaging(MANAGED_NODE_B), MANAGED_NODE_B + " not managed by ric " + SECOND_RIC_NAME);
 143         assertTrue(secondRic.isManaging(MANAGED_NODE_C), MANAGED_NODE_C + " not managed by ric " + SECOND_RIC_NAME);
 144     }
 145
 146     @Test
 147     public void startupAndUnableToConnectToGetTypes_thenRicStateSetToUndefined() {
 148         Mono<?> error = Mono.error(new Exception("Unable to contact ric."));
 149         doReturn(error, error).when(a1ClientMock).getPolicyTypeIdentities();
 150
 151         Rics rics = new Rics();
 152         PolicyTypes policyTypes = new PolicyTypes();
 153         StartupService serviceUnderTest = new StartupService(appConfigMock, refreshTaskMock, rics, policyTypes,
 154             a1ClientFactory, new Policies(), new Services());
 155
 156         serviceUnderTest.startup();
 157         serviceUnderTest.onRicConfigUpdate(getRicConfig(FIRST_RIC_NAME, FIRST_RIC_URL, MANAGED_NODE_A),
 158             ApplicationConfig.RicConfigUpdate.ADDED);
 159
 160         assertEquals(RicState.UNDEFINED, rics.get(FIRST_RIC_NAME).getState(),
 161             "Not correct state for " + FIRST_RIC_NAME);
 162     }
 163
 164     @Test
 165     public void startupAndUnableToConnectToDeleteAllPolicies_thenRicStateSetToUndefined() {
 166
 167         Mono<List<String>> policyTypes = Mono.just(Arrays.asList(POLICY_TYPE_1_NAME));
 168         when(a1ClientMock.getPolicyTypeIdentities()).thenReturn(policyTypes);
 169         when(a1ClientMock.getPolicyTypeSchema(anyString())).thenReturn(Mono.just("Schema"));
 170         Flux<?> error = Flux.error(new Exception("Unable to contact ric."));
 171         doReturn(error).when(a1ClientMock).deleteAllPolicies();
 172
 173         RicConfig ricConfig = mock(RicConfig.class);
 174         when(ricConfig.name()).thenReturn(FIRST_RIC_NAME);
 175         when(ricConfig.managedElementIds()).thenReturn(ImmutableList.copyOf(Collections.emptyList()));
 176         Ric ric = new Ric(ricConfig);
 177
 178         PolicyType policyType = mock(PolicyType.class);
 179         when(policyType.name()).thenReturn(POLICY_TYPE_1_NAME);
 180
 181         Policy policy = mock(Policy.class);
 182         when(policy.ric()).thenReturn(ric);
 183         when(policy.type()).thenReturn(policyType);
 184         Policies policies = new Policies();
 185         policies.put(policy);
 186
 187         StartupService serviceUnderTest = new StartupService(appConfigMock, refreshTaskMock, new Rics(),
 188             new PolicyTypes(), a1ClientFactory, policies, new Services());
 189
 190         serviceUnderTest.startup();
 191         serviceUnderTest.onRicConfigUpdate(getRicConfig(FIRST_RIC_NAME, FIRST_RIC_URL, MANAGED_NODE_A),
 192             ApplicationConfig.RicConfigUpdate.ADDED);
 193
 194         assertEquals(RicState.UNDEFINED, ric.getState(), "Not correct state for " + FIRST_RIC_NAME);
 195     }
 196
 197     @SafeVarargs
 198     private <T> Vector<T> toVector(T... objs) {
 199         Vector<T> result = new Vector<>();
 200         for (T o : objs) {
 201             result.add(o);
 202         }
 203         return result;
 204     }
 205
 206     private RicConfig getRicConfig(String name, String baseUrl, String... managedElementIds) {
 207         ImmutableRicConfig ricConfig = ImmutableRicConfig.builder() //
 208             .name(name) //
 209             .managedElementIds(toVector(managedElementIds)) //
 210             .baseUrl(baseUrl) //
 211             .build();
 212         return ricConfig;
 213     }
 214 }