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.anyString;
  29 import static org.mockito.Mockito.doReturn;
  30 import static org.mockito.Mockito.verify;
  31 import static org.mockito.Mockito.when;
  32 import static org.oransc.policyagent.repository.Ric.RicState.IDLE;
  33
  34 import java.util.Arrays;
  35 import java.util.Collection;
  36 import java.util.Vector;
  37
  38 import org.junit.jupiter.api.Test;
  39 import org.junit.jupiter.api.extension.ExtendWith;
  40 import org.junit.runner.RunWith;
  41 import org.mockito.Mock;
  42 import org.mockito.junit.MockitoJUnitRunner;
  43 import org.mockito.junit.jupiter.MockitoExtension;
  44 import org.oransc.policyagent.clients.A1Client;
  45 import org.oransc.policyagent.configuration.ApplicationConfig;
  46 import org.oransc.policyagent.configuration.ImmutableRicConfig;
  47 import org.oransc.policyagent.configuration.RicConfig;
  48 import org.oransc.policyagent.repository.Policies;
  49 import org.oransc.policyagent.repository.PolicyTypes;
  50 import org.oransc.policyagent.repository.Ric;
  51 import org.oransc.policyagent.repository.Ric.RicState;
  52 import org.oransc.policyagent.repository.Rics;
  53 import org.oransc.policyagent.repository.Services;
  54 import reactor.core.publisher.Mono;
  55
  56 @ExtendWith(MockitoExtension.class)
  57 @RunWith(MockitoJUnitRunner.class)
  58 public class StartupServiceTest {
  59     private static final String FIRST_RIC_NAME = "first";
  60     private static final String FIRST_RIC_URL = "firstUrl";
  61     private static final String SECOND_RIC_NAME = "second";
  62     private static final String SECOND_RIC_URL = "secondUrl";
  63     private static final String MANAGED_NODE_A = "nodeA";
  64     private static final String MANAGED_NODE_B = "nodeB";
  65     private static final String MANAGED_NODE_C = "nodeC";
  66
  67     private static final String POLICY_TYPE_1_NAME = "type1";
  68     private static final String POLICY_TYPE_2_NAME = "type2";
  69     private static final String POLICY_ID_1 = "policy1";
  70     private static final String POLICY_ID_2 = "policy2";
  71
  72     @Mock
  73     ApplicationConfig appConfigMock;
  74
  75     @Mock
  76     A1Client a1ClientMock;
  77
  78     @Test
  79     public void startup_allOk() {
  80         Mono<Collection<String>> policyTypes1 = Mono.just(Arrays.asList(POLICY_TYPE_1_NAME));
  81         Mono<Collection<String>> policyTypes2 = Mono.just(Arrays.asList(POLICY_TYPE_1_NAME, POLICY_TYPE_2_NAME));
  82         when(a1ClientMock.getPolicyTypeIdentities(anyString())).thenReturn(policyTypes1).thenReturn(policyTypes2);
  83         Mono<Collection<String>> policies = Mono.just(Arrays.asList(POLICY_ID_1, POLICY_ID_2));
  84         when(a1ClientMock.getPolicyIdentities(anyString())).thenReturn(policies);
  85         when(a1ClientMock.getPolicyType(anyString(), anyString())).thenReturn(Mono.just("Schema"));
  86         when(a1ClientMock.deletePolicy(anyString(), anyString())).thenReturn(Mono.just("OK"));
  87
  88         Rics rics = new Rics();
  89         PolicyTypes policyTypes = new PolicyTypes();
  90         StartupService serviceUnderTest =
  91             new StartupService(appConfigMock, rics, policyTypes, a1ClientMock, new Policies(), new Services());
  92
  93         serviceUnderTest.startup();
  94
  95         serviceUnderTest.onRicConfigUpdate(getRicConfig(FIRST_RIC_NAME, FIRST_RIC_URL, MANAGED_NODE_A),
  96             ApplicationConfig.RicConfigUpdate.ADDED);
  97         serviceUnderTest.onRicConfigUpdate(
  98             getRicConfig(SECOND_RIC_NAME, SECOND_RIC_URL, MANAGED_NODE_B, MANAGED_NODE_C),
  99             ApplicationConfig.RicConfigUpdate.ADDED);
 100
 101         await().untilAsserted(() -> assertThat(policyTypes.size()).isEqualTo(2));
 102
 103         verify(a1ClientMock).getPolicyTypeIdentities(FIRST_RIC_URL);
 104         verify(a1ClientMock).deletePolicy(FIRST_RIC_URL, POLICY_ID_1);
 105         verify(a1ClientMock).deletePolicy(FIRST_RIC_URL, POLICY_ID_2);
 106
 107         verify(a1ClientMock).getPolicyTypeIdentities(SECOND_RIC_URL);
 108         verify(a1ClientMock).deletePolicy(SECOND_RIC_URL, POLICY_ID_1);
 109         verify(a1ClientMock).deletePolicy(SECOND_RIC_URL, POLICY_ID_2);
 110
 111         assertTrue(policyTypes.contains(POLICY_TYPE_1_NAME), POLICY_TYPE_1_NAME + " not added to PolicyTypes.");
 112         assertTrue(policyTypes.contains(POLICY_TYPE_2_NAME), POLICY_TYPE_2_NAME + " not added to PolicyTypes.");
 113         assertEquals(2, rics.size(), "Correct number of Rics not added to Rics");
 114
 115         Ric firstRic = rics.get(FIRST_RIC_NAME);
 116         assertNotNull(firstRic, "Ric " + FIRST_RIC_NAME + " not added to repository");
 117         assertEquals(FIRST_RIC_NAME, firstRic.name(), FIRST_RIC_NAME + " not added to Rics");
 118         assertEquals(IDLE, firstRic.state(), "Not correct state for ric " + FIRST_RIC_NAME);
 119         assertEquals(1, firstRic.getSupportedPolicyTypes().size(),
 120             "Not correct no of types supported for ric " + FIRST_RIC_NAME);
 121         assertTrue(firstRic.isSupportingType(POLICY_TYPE_1_NAME),
 122             POLICY_TYPE_1_NAME + " not supported by ric " + FIRST_RIC_NAME);
 123         assertEquals(1, firstRic.getManagedElementIds().size(),
 124             "Not correct no of managed nodes for ric " + FIRST_RIC_NAME);
 125         assertTrue(firstRic.isManaging(MANAGED_NODE_A), MANAGED_NODE_A + " not managed by ric " + FIRST_RIC_NAME);
 126
 127         Ric secondRic = rics.get(SECOND_RIC_NAME);
 128         assertNotNull(secondRic, "Ric " + SECOND_RIC_NAME + " not added to repository");
 129         assertEquals(SECOND_RIC_NAME, secondRic.name(), SECOND_RIC_NAME + " not added to Rics");
 130         assertEquals(IDLE, secondRic.state(), "Not correct state for " + SECOND_RIC_NAME);
 131         assertEquals(2, secondRic.getSupportedPolicyTypes().size(),
 132             "Not correct no of types supported for ric " + SECOND_RIC_NAME);
 133         assertTrue(secondRic.isSupportingType(POLICY_TYPE_1_NAME),
 134             POLICY_TYPE_1_NAME + " not supported by ric " + SECOND_RIC_NAME);
 135         assertTrue(secondRic.isSupportingType(POLICY_TYPE_2_NAME),
 136             POLICY_TYPE_2_NAME + " not supported by ric " + SECOND_RIC_NAME);
 137         assertEquals(2, secondRic.getManagedElementIds().size(),
 138             "Not correct no of managed nodes for ric " + SECOND_RIC_NAME);
 139         assertTrue(secondRic.isManaging(MANAGED_NODE_B), MANAGED_NODE_B + " not managed by ric " + SECOND_RIC_NAME);
 140         assertTrue(secondRic.isManaging(MANAGED_NODE_C), MANAGED_NODE_C + " not managed by ric " + SECOND_RIC_NAME);
 141     }
 142
 143     @Test
 144     public void startup_unableToConnectToGetTypes() {
 145         Mono<Collection<String>> policyIdentities = Mono.just(Arrays.asList(POLICY_TYPE_1_NAME));
 146         Mono<?> error = Mono.error(new Exception("Unable to contact ric."));
 147         doReturn(error, policyIdentities).when(a1ClientMock).getPolicyTypeIdentities(anyString());
 148
 149         Mono<Collection<String>> policies = Mono.just(Arrays.asList(POLICY_ID_1, POLICY_ID_2));
 150         doReturn(policies).when(a1ClientMock).getPolicyIdentities(anyString());
 151         when(a1ClientMock.getPolicyType(anyString(), anyString())).thenReturn(Mono.just("Schema"));
 152         when(a1ClientMock.deletePolicy(anyString(), anyString())).thenReturn(Mono.just("OK"));
 153
 154         Rics rics = new Rics();
 155         PolicyTypes policyTypes = new PolicyTypes();
 156         StartupService serviceUnderTest =
 157             new StartupService(appConfigMock, rics, policyTypes, a1ClientMock, new Policies(), new Services());
 158
 159         serviceUnderTest.startup();
 160         serviceUnderTest.onRicConfigUpdate(getRicConfig(FIRST_RIC_NAME, FIRST_RIC_URL, MANAGED_NODE_A),
 161             ApplicationConfig.RicConfigUpdate.ADDED);
 162         serviceUnderTest.onRicConfigUpdate(
 163             getRicConfig(SECOND_RIC_NAME, SECOND_RIC_URL, MANAGED_NODE_B, MANAGED_NODE_C),
 164             ApplicationConfig.RicConfigUpdate.ADDED);
 165
 166         verify(a1ClientMock).deletePolicy(SECOND_RIC_URL, POLICY_ID_1);
 167         verify(a1ClientMock).deletePolicy(SECOND_RIC_URL, POLICY_ID_2);
 168
 169         assertEquals(RicState.UNDEFINED, rics.get(FIRST_RIC_NAME).state(), "Not correct state for " + FIRST_RIC_NAME);
 170
 171         assertEquals(IDLE, rics.get(SECOND_RIC_NAME).state(), "Not correct state for " + SECOND_RIC_NAME);
 172     }
 173
 174     @Test
 175     public void startup_unableToConnectToGetPolicies() {
 176
 177         Mono<Collection<String>> policyTypes1 = Mono.just(Arrays.asList(POLICY_TYPE_1_NAME));
 178         Mono<Collection<String>> policyTypes2 = Mono.just(Arrays.asList(POLICY_TYPE_1_NAME, POLICY_TYPE_2_NAME));
 179         when(a1ClientMock.getPolicyTypeIdentities(anyString())).thenReturn(policyTypes1).thenReturn(policyTypes2);
 180         when(a1ClientMock.getPolicyType(anyString(), anyString())).thenReturn(Mono.just("Schema"));
 181         Mono<Collection<String>> policies = Mono.just(Arrays.asList(POLICY_ID_1, POLICY_ID_2));
 182         doReturn(Mono.error(new Exception("Unable to contact ric.")), policies).when(a1ClientMock)
 183             .getPolicyIdentities(anyString());
 184         when(a1ClientMock.deletePolicy(anyString(), anyString())).thenReturn(Mono.just("OK"));
 185
 186         Rics rics = new Rics();
 187         PolicyTypes policyTypes = new PolicyTypes();
 188         StartupService serviceUnderTest =
 189             new StartupService(appConfigMock, rics, policyTypes, a1ClientMock, new Policies(), new Services());
 190
 191         serviceUnderTest.startup();
 192         serviceUnderTest.onRicConfigUpdate(getRicConfig(FIRST_RIC_NAME, FIRST_RIC_URL, MANAGED_NODE_A),
 193             ApplicationConfig.RicConfigUpdate.ADDED);
 194         serviceUnderTest.onRicConfigUpdate(
 195             getRicConfig(SECOND_RIC_NAME, SECOND_RIC_URL, MANAGED_NODE_B, MANAGED_NODE_C),
 196             ApplicationConfig.RicConfigUpdate.ADDED);
 197
 198         verify(a1ClientMock).deletePolicy(SECOND_RIC_URL, POLICY_ID_1);
 199         verify(a1ClientMock).deletePolicy(SECOND_RIC_URL, POLICY_ID_2);
 200
 201         assertEquals(RicState.UNDEFINED, rics.get(FIRST_RIC_NAME).state(), "Not correct state for " + FIRST_RIC_NAME);
 202
 203         assertEquals(IDLE, rics.get(SECOND_RIC_NAME).state(), "Not correct state for " + SECOND_RIC_NAME);
 204     }
 205
 206     @SafeVarargs
 207     private <T> Vector<T> toVector(T... objs) {
 208         Vector<T> result = new Vector<>();
 209         for (T o : objs) {
 210             result.add(o);
 211         }
 212         return result;
 213     }
 214
 215     private RicConfig getRicConfig(String name, String baseUrl, String... managedElementIds) {
 216         ImmutableRicConfig ricConfig = ImmutableRicConfig.builder() //
 217             .name(name) //
 218             .managedElementIds(toVector(managedElementIds)) //
 219             .baseUrl(baseUrl) //
 220             .build();
 221         return ricConfig;
 222     }
 223 }