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