dashboard/webapp-backend/src/test/java/org/oransc/ric/portal/dashboard/config/PolicyControllerMockConfiguration.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 package org.oransc.ric.portal.dashboard.config;
  21
  22 import java.io.BufferedReader;
  23 import java.io.InputStream;
  24 import java.io.InputStreamReader;
  25 import java.lang.invoke.MethodHandles;
  26 import java.util.ArrayList;
  27 import java.util.Collection;
  28 import java.util.HashMap;
  29 import java.util.List;
  30 import java.util.Map;
  31 import java.util.Optional;
  32 import java.util.stream.Collectors;
  33
  34 import org.oransc.ric.portal.dashboard.model.ImmutablePolicyInfo;
  35 import org.oransc.ric.portal.dashboard.model.PolicyInfo;
  36 import org.oransc.ric.portal.dashboard.model.PolicyInstances;
  37 import org.oransc.ric.portal.dashboard.model.PolicyType;
  38 import org.oransc.ric.portal.dashboard.model.PolicyTypes;
  39 import org.oransc.ric.portal.dashboard.policyagentapi.PolicyAgentApi;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42 import org.springframework.boot.test.context.TestConfiguration;
  43 import org.springframework.context.annotation.Bean;
  44 import org.springframework.web.client.RestClientException;
  45
  46 /**
  47  * Creates a mock implementation of the policy controller client API.
  48  */
  49 @TestConfiguration
  50 public class PolicyControllerMockConfiguration {
  51
  52         private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  53
  54         @Bean
  55         public PolicyAgentApi policyAgentApi() {
  56                 MockPolicyAgentApi apiClient = new MockPolicyAgentApi();
  57                 return apiClient;
  58         }
  59
  60         class MockPolicyAgentApi implements PolicyAgentApi {
  61                 private final Database database = new Database();
  62
  63                 @Override
  64                 public String getPolicyInstance(String id) throws RestClientException {
  65                         return database.getInstance(id);
  66                 }
  67
  68                 @Override
  69                 public void putPolicy(String policyTypeIdString, String policyInstanceId, String json)
  70                                 throws RestClientException {
  71                         database.putInstance(policyTypeIdString, policyInstanceId, json);
  72                 }
  73
  74                 @Override
  75                 public void deletePolicy(String policyInstanceId) throws RestClientException {
  76                         database.deleteInstance(policyInstanceId);
  77                 }
  78
  79                 @Override
  80                 public PolicyTypes getAllPolicyTypes() throws RestClientException {
  81                         PolicyTypes result = new PolicyTypes();
  82                         result.addAll(database.getTypes());
  83                         return result;
  84                 }
  85
  86                 @Override
  87                 public PolicyInstances getPolicyInstancesForType(String type) {
  88                         PolicyInstances result = new PolicyInstances();
  89                         List<PolicyInfo> inst = database.getInstances(Optional.of(type));
  90                         result.addAll(inst);
  91                         return result;
  92                 }
  93         }
  94
  95         class Database {
  96
  97                 Database() {
  98                         String schema = getStringFromFile("anr-policy-schema.json");
  99                         PolicyType policy = new PolicyType("ANR", schema);
 100                         types.put("ANR", policy);
 101
 102                         schema = getStringFromFile("demo-policy-schema-1.json");
 103                         policy = new PolicyType("type2", schema);
 104                         types.put("type2", policy);
 105
 106                         schema = getStringFromFile("demo-policy-schema-2.json");
 107                         policy = new PolicyType("type3", schema);
 108                         types.put("type3", policy);
 109
 110                         schema = getStringFromFile("demo-policy-schema-3.json");
 111                         policy = new PolicyType("type4", schema);
 112                         types.put("type4", policy);
 113                         try {
 114                                 putInstance("ANR", "ANR-1", getStringFromFile("anr-policy-instance.json"));
 115                         } catch (Exception e) {
 116                                 // Nothing
 117                         }
 118                 }
 119
 120                 private String getStringFromFile(String path) {
 121                         try {
 122                                 InputStream inputStream = MethodHandles.lookup().lookupClass().getClassLoader()
 123                                                 .getResourceAsStream(path);
 124                                 return new BufferedReader(new InputStreamReader(inputStream)).lines().collect(Collectors.joining("\n"));
 125                         } catch (Exception e) {
 126                                 logger.error("Cannot read file :" + path, e);
 127                                 return "";
 128                         }
 129                 }
 130
 131                 String normalize(String str) {
 132                         return str.replace('\n', ' ');
 133                 }
 134
 135                 private String getTimeStampUTC() {
 136                         return java.time.Instant.now().toString();
 137                 }
 138
 139                 void putInstance(String typeId, String instanceId, String instanceData) {
 140                         PolicyInfo i = ImmutablePolicyInfo.builder().json(instanceData).lastModified(getTimeStampUTC())
 141                                         .id(instanceId).ric("ricXX").service("service").type(typeId).build();
 142                         instances.put(instanceId, i);
 143                 }
 144
 145                 public void deleteInstance(String instanceId) {
 146                         instances.remove(instanceId);
 147                 }
 148
 149                 String getInstance(String id) throws RestClientException {
 150                         PolicyInfo i = instances.get(id);
 151                         if (i == null) {
 152                                 throw new RestClientException("Type not found: " + id);
 153                         }
 154                         return i.json();
 155                 }
 156
 157                 public Collection<PolicyType> getTypes() {
 158                         return types.values();
 159                 }
 160
 161                 public List<PolicyInfo> getInstances(Optional<String> typeId) {
 162                         ArrayList<PolicyInfo> result = new ArrayList<>();
 163                         for (PolicyInfo i : instances.values()) {
 164                                 if (typeId.isPresent()) {
 165                                         if (i.type().equals(typeId.get())) {
 166                                                 result.add(i);
 167                                         }
 168
 169                                 } else {
 170                                         result.add(i);
 171                                 }
 172                         }
 173                         return result;
 174                 }
 175
 176                 private Map<String, PolicyType> types = new HashMap<>();
 177                 private Map<String, PolicyInfo> instances = new HashMap<>();
 178
 179         }
 180
 181 }