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.Vector;
  33 import java.util.stream.Collectors;
  34
  35 import org.oransc.ric.portal.dashboard.model.ImmutablePolicyInfo;
  36 import org.oransc.ric.portal.dashboard.model.PolicyInfo;
  37 import org.oransc.ric.portal.dashboard.model.PolicyInstances;
  38 import org.oransc.ric.portal.dashboard.model.PolicyType;
  39 import org.oransc.ric.portal.dashboard.model.PolicyTypes;
  40 import org.oransc.ric.portal.dashboard.policyagentapi.PolicyAgentApi;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43 import org.springframework.boot.test.context.TestConfiguration;
  44 import org.springframework.context.annotation.Bean;
  45 import org.springframework.http.HttpStatus;
  46 import org.springframework.http.ResponseEntity;
  47 import org.springframework.web.client.RestClientException;
  48
  49 /**
  50  * Creates a mock implementation of the policy controller client API.
  51  */
  52 @TestConfiguration
  53 public class PolicyControllerMockConfiguration {
  54
  55         private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  56
  57         @Bean
  58         public PolicyAgentApi policyAgentApi() {
  59                 MockPolicyAgentApi apiClient = new MockPolicyAgentApi();
  60                 return apiClient;
  61         }
  62
  63         class MockPolicyAgentApi implements PolicyAgentApi {
  64                 private final Database database = new Database();
  65
  66                 @Override
  67                 public ResponseEntity<String> getPolicyInstance(String id) throws RestClientException {
  68                         return new ResponseEntity<>(database.getInstance(id), HttpStatus.OK);
  69                 }
  70
  71                 @Override
  72                 public ResponseEntity<String> putPolicy(String policyTypeIdString, String policyInstanceId, String json,
  73                                 String ric) throws RestClientException {
  74                         database.putInstance(policyTypeIdString, policyInstanceId, json, ric);
  75                         return new ResponseEntity<>(HttpStatus.OK);
  76                 }
  77
  78                 @Override
  79                 public void deletePolicy(String policyInstanceId) throws RestClientException {
  80                         database.deleteInstance(policyInstanceId);
  81                 }
  82
  83                 @Override
  84                 public ResponseEntity<PolicyTypes> getAllPolicyTypes() throws RestClientException {
  85                         PolicyTypes result = new PolicyTypes();
  86                         result.addAll(database.getTypes());
  87                         return new ResponseEntity<>(result, HttpStatus.OK);
  88                 }
  89
  90                 @Override
  91                 public ResponseEntity<PolicyInstances> getPolicyInstancesForType(String type) {
  92                         PolicyInstances result = new PolicyInstances();
  93                         List<PolicyInfo> inst = database.getInstances(Optional.of(type));
  94                         result.addAll(inst);
  95                         return new ResponseEntity<>(result, HttpStatus.OK);
  96                 }
  97
  98                 @Override
  99                 public ResponseEntity<Collection<String>> getRicsSupportingType(String typeName) {
 100                         Vector<String> res = new Vector<>();
 101                         res.add("ric_1");
 102                         res.add("ric_2");
 103                         res.add("ric_3");
 104                         return new ResponseEntity<>(res, HttpStatus.OK);
 105                 }
 106         }
 107
 108         class Database {
 109
 110                 Database() {
 111                         String schema = getStringFromFile("anr-policy-schema.json");
 112                         PolicyType policy = new PolicyType("ANR", schema);
 113                         types.put("ANR", policy);
 114
 115                         schema = getStringFromFile("demo-policy-schema-1.json");
 116                         policy = new PolicyType("type2", schema);
 117                         types.put("type2", policy);
 118
 119                         schema = getStringFromFile("demo-policy-schema-2.json");
 120                         policy = new PolicyType("type3", schema);
 121                         types.put("type3", policy);
 122
 123                         schema = getStringFromFile("demo-policy-schema-3.json");
 124                         policy = new PolicyType("type4", schema);
 125                         types.put("type4", policy);
 126                         try {
 127                                 putInstance("ANR", "ANR-1", getStringFromFile("anr-policy-instance.json"), "ric_1");
 128                         } catch (Exception e) {
 129                                 // Nothing
 130                         }
 131                 }
 132
 133                 private String getStringFromFile(String path) {
 134                         try {
 135                                 InputStream inputStream = MethodHandles.lookup().lookupClass().getClassLoader()
 136                                                 .getResourceAsStream(path);
 137                                 return new BufferedReader(new InputStreamReader(inputStream)).lines().collect(Collectors.joining("\n"));
 138                         } catch (Exception e) {
 139                                 logger.error("Cannot read file :" + path, e);
 140                                 return "";
 141                         }
 142                 }
 143
 144                 String normalize(String str) {
 145                         return str.replace('\n', ' ');
 146                 }
 147
 148                 private String getTimeStampUTC() {
 149                         return java.time.Instant.now().toString();
 150                 }
 151
 152                 void putInstance(String typeId, String instanceId, String instanceData, String ric) {
 153                         PolicyInfo i = ImmutablePolicyInfo.builder().json(instanceData).lastModified(getTimeStampUTC())
 154                                         .id(instanceId).ric(ric).service("service").type(typeId).build();
 155                         instances.put(instanceId, i);
 156                 }
 157
 158                 public void deleteInstance(String instanceId) {
 159                         instances.remove(instanceId);
 160                 }
 161
 162                 String getInstance(String id) throws RestClientException {
 163                         PolicyInfo i = instances.get(id);
 164                         if (i == null) {
 165                                 throw new RestClientException("Type not found: " + id);
 166                         }
 167                         return i.json();
 168                 }
 169
 170                 public Collection<PolicyType> getTypes() {
 171                         return types.values();
 172                 }
 173
 174                 public List<PolicyInfo> getInstances(Optional<String> typeId) {
 175                         ArrayList<PolicyInfo> result = new ArrayList<>();
 176                         for (PolicyInfo i : instances.values()) {
 177                                 if (typeId.isPresent()) {
 178                                         if (i.type().equals(typeId.get())) {
 179                                                 result.add(i);
 180                                         }
 181
 182                                 } else {
 183                                         result.add(i);
 184                                 }
 185                         }
 186                         return result;
 187                 }
 188
 189                 private Map<String, PolicyType> types = new HashMap<>();
 190                 private Map<String, PolicyInfo> instances = new HashMap<>();
 191
 192         }
 193
 194 }