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 com.google.gson.GsonBuilder;
  23
  24 import java.io.BufferedReader;
  25 import java.io.InputStream;
  26 import java.io.InputStreamReader;
  27 import java.lang.invoke.MethodHandles;
  28 import java.util.ArrayList;
  29 import java.util.Collection;
  30 import java.util.HashMap;
  31 import java.util.List;
  32 import java.util.Map;
  33 import java.util.Optional;
  34 import java.util.Vector;
  35 import java.util.stream.Collectors;
  36
  37 import org.oransc.ric.portal.dashboard.model.ImmutablePolicyInfo;
  38 import org.oransc.ric.portal.dashboard.model.PolicyInfo;
  39 import org.oransc.ric.portal.dashboard.model.PolicyInstances;
  40 import org.oransc.ric.portal.dashboard.model.PolicyType;
  41 import org.oransc.ric.portal.dashboard.model.PolicyTypes;
  42 import org.oransc.ric.portal.dashboard.policyagentapi.PolicyAgentApi;
  43 import org.slf4j.Logger;
  44 import org.slf4j.LoggerFactory;
  45 import org.springframework.boot.test.context.TestConfiguration;
  46 import org.springframework.context.annotation.Bean;
  47 import org.springframework.http.HttpStatus;
  48 import org.springframework.http.ResponseEntity;
  49 import org.springframework.web.client.RestClientException;
  50
  51 /**
  52  * Creates a mock implementation of the policy controller client API.
  53  */
  54 @TestConfiguration
  55 public class PolicyControllerMockConfiguration {
  56
  57     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  58
  59     private static com.google.gson.Gson gson = new GsonBuilder() //
  60         .serializeNulls() //
  61         .create(); //
  62
  63     @Bean
  64     public PolicyAgentApi policyAgentApi() {
  65         MockPolicyAgentApi apiClient = new MockPolicyAgentApi();
  66         return apiClient;
  67     }
  68
  69     class MockPolicyAgentApi implements PolicyAgentApi {
  70         private final Database database = new Database();
  71
  72         @Override
  73         public ResponseEntity<String> getPolicyInstance(String id) {
  74             return new ResponseEntity<>(database.getInstance(id), HttpStatus.OK);
  75         }
  76
  77         @Override
  78         public ResponseEntity<String> putPolicy(String policyTypeIdString, String policyInstanceId, String json,
  79             String ric) {
  80             database.putInstance(policyTypeIdString, policyInstanceId, json, ric);
  81             return new ResponseEntity<>("Policy was put successfully", HttpStatus.OK);
  82         }
  83
  84         @Override
  85         public ResponseEntity<String> deletePolicy(String policyInstanceId) {
  86             database.deleteInstance(policyInstanceId);
  87             return new ResponseEntity<>("Policy was deleted successfully", HttpStatus.NO_CONTENT);
  88         }
  89
  90         @Override
  91         public ResponseEntity<String> getAllPolicyTypes() {
  92             PolicyTypes result = new PolicyTypes();
  93             result.addAll(database.getTypes());
  94             return new ResponseEntity<>(gson.toJson(result), HttpStatus.OK);
  95         }
  96
  97         @Override
  98         public ResponseEntity<String> getPolicyInstancesForType(String type) {
  99             PolicyInstances result = new PolicyInstances();
 100             List<PolicyInfo> inst = database.getInstances(Optional.of(type));
 101             result.addAll(inst);
 102             return new ResponseEntity<>(gson.toJson(result), HttpStatus.OK);
 103         }
 104
 105         @Override
 106         public ResponseEntity<String> getRicsSupportingType(String typeName) {
 107             Vector<String> res = new Vector<>();
 108             res.add("ric_1");
 109             res.add("ric_2");
 110             res.add("ric_3");
 111             return new ResponseEntity<>(gson.toJson(res), HttpStatus.OK);
 112         }
 113     }
 114
 115     class Database {
 116
 117         Database() {
 118             String schema = getStringFromFile("anr-policy-schema.json");
 119             PolicyType policy = new PolicyType("ANR", schema);
 120             types.put("ANR", policy);
 121
 122             schema = getStringFromFile("demo-policy-schema-1.json");
 123             policy = new PolicyType("type2", schema);
 124             types.put("type2", policy);
 125
 126             schema = getStringFromFile("demo-policy-schema-2.json");
 127             policy = new PolicyType("type3", schema);
 128             types.put("type3", policy);
 129
 130             schema = getStringFromFile("demo-policy-schema-3.json");
 131             policy = new PolicyType("type4", schema);
 132             types.put("type4", policy);
 133             try {
 134                 putInstance("ANR", "ANR-1", getStringFromFile("anr-policy-instance.json"), "ric_1");
 135             } catch (Exception e) {
 136                 // Nothing
 137             }
 138         }
 139
 140         private String getStringFromFile(String path) {
 141             try {
 142                 InputStream inputStream =
 143                     MethodHandles.lookup().lookupClass().getClassLoader().getResourceAsStream(path);
 144                 return new BufferedReader(new InputStreamReader(inputStream)).lines().collect(Collectors.joining("\n"));
 145             } catch (Exception e) {
 146                 logger.error("Cannot read file :" + path, e);
 147                 return "";
 148             }
 149         }
 150
 151         String normalize(String str) {
 152             return str.replace('\n', ' ');
 153         }
 154
 155         private String getTimeStampUTC() {
 156             return java.time.Instant.now().toString();
 157         }
 158
 159         void putInstance(String typeId, String instanceId, String instanceData, String ric) {
 160             PolicyInfo i = ImmutablePolicyInfo.builder().json(instanceData).lastModified(getTimeStampUTC())
 161                 .id(instanceId).ric(ric).service("service").type(typeId).build();
 162             instances.put(instanceId, i);
 163         }
 164
 165         public void deleteInstance(String instanceId) {
 166             instances.remove(instanceId);
 167         }
 168
 169         String getInstance(String id) throws RestClientException {
 170             PolicyInfo i = instances.get(id);
 171             if (i == null) {
 172                 throw new RestClientException("Type not found: " + id);
 173             }
 174             return i.json();
 175         }
 176
 177         public Collection<PolicyType> getTypes() {
 178             return types.values();
 179         }
 180
 181         public List<PolicyInfo> getInstances(Optional<String> typeId) {
 182             ArrayList<PolicyInfo> result = new ArrayList<>();
 183             for (PolicyInfo i : instances.values()) {
 184                 if (typeId.isPresent()) {
 185                     if (i.type().equals(typeId.get())) {
 186                         result.add(i);
 187                     }
 188
 189                 } else {
 190                     result.add(i);
 191                 }
 192             }
 193             return result;
 194         }
 195
 196         private Map<String, PolicyType> types = new HashMap<>();
 197         private Map<String, PolicyInfo> instances = new HashMap<>();
 198
 199     }
 200
 201 }