policy-agent/src/test/java/org/oransc/policyagent/ApplicationTest.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;
  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.assertTrue;
  27 import static org.mockito.ArgumentMatchers.any;
  28 import static org.mockito.Mockito.doReturn;
  29
  30 import com.google.gson.Gson;
  31 import com.google.gson.GsonBuilder;
  32 import com.google.gson.JsonArray;
  33 import com.google.gson.JsonElement;
  34 import com.google.gson.JsonParser;
  35
  36 import java.nio.charset.StandardCharsets;
  37 import java.time.Duration;
  38 import java.time.Instant;
  39 import java.util.ArrayList;
  40 import java.util.List;
  41
  42 import org.junit.jupiter.api.AfterEach;
  43 import org.junit.jupiter.api.BeforeEach;
  44 import org.junit.jupiter.api.Test;
  45 import org.junit.jupiter.api.extension.ExtendWith;
  46 import org.oransc.policyagent.clients.AsyncRestClient;
  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.controllers.PolicyInfo;
  51 import org.oransc.policyagent.controllers.ServiceRegistrationInfo;
  52 import org.oransc.policyagent.controllers.ServiceStatus;
  53 import org.oransc.policyagent.exceptions.ServiceException;
  54 import org.oransc.policyagent.repository.ImmutablePolicy;
  55 import org.oransc.policyagent.repository.ImmutablePolicyType;
  56 import org.oransc.policyagent.repository.Lock.LockType;
  57 import org.oransc.policyagent.repository.Policies;
  58 import org.oransc.policyagent.repository.Policy;
  59 import org.oransc.policyagent.repository.PolicyType;
  60 import org.oransc.policyagent.repository.PolicyTypes;
  61 import org.oransc.policyagent.repository.Ric;
  62 import org.oransc.policyagent.repository.Ric.RicState;
  63 import org.oransc.policyagent.repository.Rics;
  64 import org.oransc.policyagent.repository.Services;
  65 import org.oransc.policyagent.tasks.RicSupervision;
  66 import org.oransc.policyagent.tasks.ServiceSupervision;
  67 import org.oransc.policyagent.utils.MockA1Client;
  68 import org.oransc.policyagent.utils.MockA1ClientFactory;
  69 import org.slf4j.Logger;
  70 import org.slf4j.LoggerFactory;
  71 import org.springframework.beans.factory.annotation.Autowired;
  72 import org.springframework.boot.test.context.SpringBootTest;
  73 import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
  74 import org.springframework.boot.test.context.TestConfiguration;
  75 import org.springframework.boot.web.server.LocalServerPort;
  76 import org.springframework.context.ApplicationContext;
  77 import org.springframework.context.annotation.Bean;
  78 import org.springframework.http.HttpStatus;
  79 import org.springframework.http.ResponseEntity;
  80 import org.springframework.test.context.junit.jupiter.SpringExtension;
  81 import org.springframework.web.reactive.function.client.WebClientResponseException;
  82
  83 import reactor.core.publisher.Mono;
  84 import reactor.test.StepVerifier;
  85 import reactor.util.annotation.Nullable;
  86
  87 @ExtendWith(SpringExtension.class)
  88 @SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
  89 public class ApplicationTest {
  90     private static final Logger logger = LoggerFactory.getLogger(ApplicationTest.class);
  91
  92     @Autowired
  93     ApplicationContext context;
  94
  95     @Autowired
  96     private Rics rics;
  97
  98     @Autowired
  99     private Policies policies;
 100
 101     @Autowired
 102     private PolicyTypes policyTypes;
 103
 104     @Autowired
 105     MockA1ClientFactory a1ClientFactory;
 106
 107     @Autowired
 108     RicSupervision supervision;
 109
 110     @Autowired
 111     Services services;
 112
 113     private static Gson gson = new GsonBuilder() //
 114         .serializeNulls() //
 115         .create(); //
 116
 117     public static class MockApplicationConfig extends ApplicationConfig {
 118         @Override
 119         public String getLocalConfigurationFilePath() {
 120             return ""; // No config file loaded for the test
 121         }
 122     }
 123
 124     /**
 125      * Overrides the BeanFactory.
 126      */
 127     @TestConfiguration
 128     static class TestBeanFactory {
 129         private final PolicyTypes policyTypes = new PolicyTypes();
 130         private final Services services = new Services();
 131         private final Policies policies = new Policies();
 132         MockA1ClientFactory a1ClientFactory = null;
 133
 134         @Bean
 135         public ApplicationConfig getApplicationConfig() {
 136             return new MockApplicationConfig();
 137         }
 138
 139         @Bean
 140         MockA1ClientFactory getA1ClientFactory() {
 141             if (a1ClientFactory == null) {
 142                 this.a1ClientFactory = new MockA1ClientFactory(this.policyTypes);
 143             }
 144             return this.a1ClientFactory;
 145         }
 146
 147         @Bean
 148         public PolicyTypes getPolicyTypes() {
 149             return this.policyTypes;
 150         }
 151
 152         @Bean
 153         Policies getPolicies() {
 154             return this.policies;
 155         }
 156
 157         @Bean
 158         Services getServices() {
 159             return this.services;
 160         }
 161
 162         @Bean
 163         public ServiceSupervision getServiceSupervision() {
 164             Duration checkInterval = Duration.ofMillis(1);
 165             return new ServiceSupervision(this.services, this.policies, this.getA1ClientFactory(), checkInterval);
 166         }
 167     }
 168
 169     @LocalServerPort
 170     private int port;
 171
 172     @BeforeEach
 173     public void reset() {
 174         rics.clear();
 175         policies.clear();
 176         policyTypes.clear();
 177         services.clear();
 178         a1ClientFactory.reset();
 179     }
 180
 181     @AfterEach
 182     public void verifyNoRicLocks() {
 183         for (Ric ric : this.rics.getRics()) {
 184             ric.getLock().lockBlocking(LockType.EXCLUSIVE);
 185             ric.getLock().unlockBlocking();
 186             assertThat(ric.getLock().getLockCounter()).isEqualTo(0);
 187             assertThat(ric.getState()).isEqualTo(Ric.RicState.AVAILABLE);
 188         }
 189     }
 190
 191     @Test
 192     public void testGetRics() throws Exception {
 193         addRic("ric1");
 194         this.addPolicyType("type1", "ric1");
 195         String url = "/rics?policyType=type1";
 196         String rsp = restClient().get(url).block();
 197         assertThat(rsp).contains("ric1");
 198
 199         // nameless type for ORAN A1 1.1
 200         addRic("ric2");
 201         this.addPolicyType("", "ric2");
 202         url = "/rics?policyType=";
 203         rsp = restClient().get(url).block();
 204         assertThat(rsp).contains("ric2");
 205         assertThat(rsp).doesNotContain("ric1");
 206         assertThat(rsp).contains("AVAILABLE");
 207
 208         // All RICs
 209         rsp = restClient().get("/rics").block();
 210         assertThat(rsp).contains("ric2");
 211         assertThat(rsp).contains("ric1");
 212
 213         // Non existing policy type
 214         url = "/rics?policyType=XXXX";
 215         testErrorCode(restClient().get(url), HttpStatus.NOT_FOUND);
 216     }
 217
 218     @Test
 219     public void testSynchronization() throws Exception {
 220         // Two polictypes will be put in the NearRT RICs
 221         PolicyTypes nearRtRicPolicyTypes = new PolicyTypes();
 222         nearRtRicPolicyTypes.put(createPolicyType("typeName"));
 223         nearRtRicPolicyTypes.put(createPolicyType("typeName2"));
 224         this.a1ClientFactory.setPolicyTypes(nearRtRicPolicyTypes);
 225
 226         // One type and one instance added to the agent storage
 227         final String ric1Name = "ric1";
 228         Ric ric1 = addRic(ric1Name);
 229         Policy policy2 = addPolicy("policyId2", "typeName", "service", ric1Name);
 230         Ric ric2 = addRic("ric2");
 231
 232         getA1Client(ric1Name).putPolicy(policy2); // put it in the RIC
 233         policies.remove(policy2); // Remove it from the repo -> should be deleted in the RIC
 234
 235         String policyId = "policyId";
 236         Policy policy = addPolicy(policyId, "typeName", "service", ric1Name); // This should be created in the RIC
 237         supervision.checkAllRics(); // The created policy should be put in the RIC
 238
 239         // Wait until synch is completed
 240         await().untilAsserted(() -> RicState.SYNCHRONIZING.equals(rics.getRic(ric1Name).getState()));
 241         await().untilAsserted(() -> RicState.AVAILABLE.equals(rics.getRic(ric1Name).getState()));
 242         await().untilAsserted(() -> RicState.AVAILABLE.equals(rics.getRic("ric2").getState()));
 243
 244         Policies ricPolicies = getA1Client(ric1Name).getPolicies();
 245         assertThat(ricPolicies.size()).isEqualTo(1);
 246         Policy ricPolicy = ricPolicies.get(policyId);
 247         assertThat(ricPolicy.json()).isEqualTo(policy.json());
 248
 249         // Both types should be in the agent storage after the synch
 250         assertThat(ric1.getSupportedPolicyTypes().size()).isEqualTo(2);
 251         assertThat(ric2.getSupportedPolicyTypes().size()).isEqualTo(2);
 252     }
 253
 254     @Test
 255     public void testGetRicForManagedElement_thenReturnCorrectRic() throws Exception {
 256         String ricName = "ric1";
 257         String managedElementId = "kista_1";
 258         addRic(ricName, managedElementId);
 259
 260         String url = "/ric?managedElementId=" + managedElementId;
 261         String rsp = restClient().get(url).block();
 262         assertThat(rsp).isEqualTo(ricName);
 263
 264         // test GET RIC for ManagedElement that does not exist
 265         url = "/ric?managedElementId=" + "junk";
 266         testErrorCode(restClient().get(url), HttpStatus.NOT_FOUND);
 267     }
 268
 269     private String putPolicyUrl(String serviceName, String ricName, String policyTypeName, String policyInstanceId) {
 270         if (policyTypeName.isEmpty()) {
 271             return "/policy?id=" + policyInstanceId + "&ric=" + ricName + "&service=" + serviceName;
 272         } else {
 273             return "/policy?id=" + policyInstanceId + "&ric=" + ricName + "&service=" + serviceName + "&type="
 274                 + policyTypeName;
 275         }
 276     }
 277
 278     @Test
 279     public void testPutPolicy() throws Exception {
 280         String serviceName = "service1";
 281         String ricName = "ric1";
 282         String policyTypeName = "type1";
 283         String policyInstanceId = "instance1";
 284
 285         putService(serviceName);
 286         addPolicyType(policyTypeName, ricName);
 287
 288         String url = putPolicyUrl(serviceName, ricName, policyTypeName, policyInstanceId);
 289         final String policyBody = jsonString();
 290         this.rics.getRic(ricName).setState(Ric.RicState.AVAILABLE);
 291
 292         restClient().put(url, policyBody).block();
 293
 294         Policy policy = policies.getPolicy(policyInstanceId);
 295         assertThat(policy).isNotNull();
 296         assertThat(policy.id()).isEqualTo(policyInstanceId);
 297         assertThat(policy.ownerServiceName()).isEqualTo(serviceName);
 298         assertThat(policy.ric().name()).isEqualTo("ric1");
 299
 300         url = "/policies";
 301         String rsp = restClient().get(url).block();
 302         assertThat(rsp.contains(policyInstanceId)).isTrue();
 303
 304         url = "/policy?id=" + policyInstanceId;
 305         rsp = restClient().get(url).block();
 306         assertThat(rsp).isEqualTo(policyBody);
 307
 308         // Test of error codes
 309         url = putPolicyUrl(serviceName, ricName + "XX", policyTypeName, policyInstanceId);
 310         testErrorCode(restClient().put(url, policyBody), HttpStatus.NOT_FOUND);
 311
 312         url = putPolicyUrl(serviceName, ricName, policyTypeName + "XX", policyInstanceId);
 313         testErrorCode(restClient().put(url, policyBody), HttpStatus.NOT_FOUND);
 314
 315         url = putPolicyUrl(serviceName, ricName, policyTypeName, policyInstanceId);
 316         this.rics.getRic(ricName).setState(Ric.RicState.SYNCHRONIZING);
 317         testErrorCode(restClient().put(url, policyBody), HttpStatus.LOCKED);
 318         this.rics.getRic(ricName).setState(Ric.RicState.AVAILABLE);
 319     }
 320
 321     @Test
 322     /**
 323      * Test that HttpStatus and body from failing REST call to A1 is passed on to
 324      * the caller.
 325      *
 326      * @throws ServiceException
 327      */
 328     public void testErrorFromRIC() throws ServiceException {
 329         putService("service1");
 330         addPolicyType("type1", "ric1");
 331
 332         String url = putPolicyUrl("service1", "ric1", "type1", "id1");
 333         MockA1Client a1Client = a1ClientFactory.getOrCreateA1Client("ric1");
 334         HttpStatus httpStatus = HttpStatus.INTERNAL_SERVER_ERROR;
 335         String responseBody = "Refused";
 336         byte[] responseBodyBytes = responseBody.getBytes(StandardCharsets.UTF_8);
 337
 338         WebClientResponseException a1Exception = new WebClientResponseException(httpStatus.value(), "statusText", null,
 339             responseBodyBytes, StandardCharsets.UTF_8, null);
 340         doReturn(Mono.error(a1Exception)).when(a1Client).putPolicy(any());
 341
 342         // PUT Policy
 343         testErrorCode(restClient().put(url, "{}"), httpStatus, responseBody);
 344
 345         // DELETE POLICY
 346         this.addPolicy("instance1", "type1", "service1", "ric1");
 347         doReturn(Mono.error(a1Exception)).when(a1Client).deletePolicy(any());
 348         testErrorCode(restClient().delete("/policy?id=instance1"), httpStatus, responseBody);
 349
 350         // GET STATUS
 351         this.addPolicy("instance1", "type1", "service1", "ric1");
 352         doReturn(Mono.error(a1Exception)).when(a1Client).getPolicyStatus(any());
 353         testErrorCode(restClient().get("/policy_status?id=instance1"), httpStatus, responseBody);
 354
 355         // Check that empty response body is OK
 356         a1Exception = new WebClientResponseException(httpStatus.value(), "", null, null, null, null);
 357         doReturn(Mono.error(a1Exception)).when(a1Client).getPolicyStatus(any());
 358         testErrorCode(restClient().get("/policy_status?id=instance1"), httpStatus);
 359     }
 360
 361     @Test
 362     public void testPutTypelessPolicy() throws Exception {
 363         putService("service1");
 364         addPolicyType("", "ric1");
 365         String url = putPolicyUrl("service1", "ric1", "", "id1");
 366         restClient().put(url, jsonString()).block();
 367
 368         String rsp = restClient().get("/policies").block();
 369         List<PolicyInfo> info = parseList(rsp, PolicyInfo.class);
 370         assertThat(info).size().isEqualTo(1);
 371         PolicyInfo policyInfo = info.get(0);
 372         assertThat(policyInfo.id.equals("id1")).isTrue();
 373         assertThat(policyInfo.type.equals("")).isTrue();
 374     }
 375
 376     @Test
 377     public void testRefuseToUpdatePolicy() throws Exception {
 378         // Test that only the json can be changed for a already created policy
 379         // In this case service is attempted to be changed
 380         this.addRic("ric1");
 381         this.addRic("ricXXX");
 382         this.addPolicy("instance1", "type1", "service1", "ric1");
 383         this.addPolicy("instance2", "type1", "service1", "ricXXX");
 384
 385         // Try change ric1 -> ricXXX
 386         String urlWrongRic = putPolicyUrl("service1", "ricXXX", "type1", "instance1");
 387         testErrorCode(restClient().put(urlWrongRic, jsonString()), HttpStatus.CONFLICT);
 388     }
 389
 390     @Test
 391     public void testGetPolicy() throws Exception {
 392         String url = "/policy?id=id";
 393         Policy policy = addPolicy("id", "typeName", "service1", "ric1");
 394         {
 395             String rsp = restClient().get(url).block();
 396             assertThat(rsp).isEqualTo(policy.json());
 397         }
 398         {
 399             policies.remove(policy);
 400             testErrorCode(restClient().get(url), HttpStatus.NOT_FOUND);
 401         }
 402     }
 403
 404     @Test
 405     public void testDeletePolicy() throws Exception {
 406         addPolicy("id", "typeName", "service1", "ric1");
 407         assertThat(policies.size()).isEqualTo(1);
 408
 409         String url = "/policy?id=id";
 410         ResponseEntity<String> entity = restClient().deleteForEntity(url).block();
 411
 412         assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.NO_CONTENT);
 413         assertThat(policies.size()).isEqualTo(0);
 414
 415         // Delete a non existing policy
 416         testErrorCode(restClient().get(url), HttpStatus.NOT_FOUND);
 417     }
 418
 419     @Test
 420     public void testGetPolicySchemas() throws Exception {
 421         addPolicyType("type1", "ric1");
 422         addPolicyType("type2", "ric2");
 423
 424         String url = "/policy_schemas";
 425         String rsp = this.restClient().get(url).block();
 426         assertThat(rsp).contains("type1");
 427         assertThat(rsp).contains("[{\"title\":\"type2\"}");
 428
 429         List<String> info = parseSchemas(rsp);
 430         assertThat(info.size()).isEqualTo(2);
 431
 432         url = "/policy_schemas?ric=ric1";
 433         rsp = restClient().get(url).block();
 434         assertThat(rsp).contains("type1");
 435         info = parseSchemas(rsp);
 436         assertThat(info.size()).isEqualTo(1);
 437
 438         // Get schema for non existing RIC
 439         url = "/policy_schemas?ric=ric1XXX";
 440         testErrorCode(restClient().get(url), HttpStatus.NOT_FOUND);
 441     }
 442
 443     @Test
 444     public void testGetPolicySchema() throws Exception {
 445         addPolicyType("type1", "ric1");
 446         addPolicyType("type2", "ric2");
 447
 448         String url = "/policy_schema?id=type1";
 449         String rsp = restClient().get(url).block();
 450         logger.info(rsp);
 451         assertThat(rsp).contains("type1");
 452         assertThat(rsp).contains("title");
 453
 454         // Get non existing schema
 455         url = "/policy_schema?id=type1XX";
 456         testErrorCode(restClient().get(url), HttpStatus.NOT_FOUND);
 457     }
 458
 459     @Test
 460     public void testGetPolicyTypes() throws Exception {
 461         addPolicyType("type1", "ric1");
 462         addPolicyType("type2", "ric2");
 463
 464         String url = "/policy_types";
 465         String rsp = restClient().get(url).block();
 466         assertThat(rsp).isEqualTo("[\"type2\",\"type1\"]");
 467
 468         url = "/policy_types?ric=ric1";
 469         rsp = restClient().get(url).block();
 470         assertThat(rsp).isEqualTo("[\"type1\"]");
 471
 472         // Get policy types for non existing RIC
 473         url = "/policy_types?ric=ric1XXX";
 474         testErrorCode(restClient().get(url), HttpStatus.NOT_FOUND);
 475     }
 476
 477     @Test
 478     public void testGetPolicies() throws Exception {
 479         addPolicy("id1", "type1", "service1");
 480
 481         String url = "/policies";
 482         String rsp = restClient().get(url).block();
 483         logger.info(rsp);
 484         List<PolicyInfo> info = parseList(rsp, PolicyInfo.class);
 485         assertThat(info).size().isEqualTo(1);
 486         PolicyInfo policyInfo = info.get(0);
 487         assert (policyInfo.validate());
 488         assertThat(policyInfo.id).isEqualTo("id1");
 489         assertThat(policyInfo.type).isEqualTo("type1");
 490         assertThat(policyInfo.service).isEqualTo("service1");
 491     }
 492
 493     @Test
 494     public void testGetPoliciesFilter() throws Exception {
 495         addPolicy("id1", "type1", "service1");
 496         addPolicy("id2", "type1", "service2");
 497         addPolicy("id3", "type2", "service1");
 498
 499         String url = "/policies?type=type1";
 500         String rsp = restClient().get(url).block();
 501         logger.info(rsp);
 502         assertThat(rsp).contains("id1");
 503         assertThat(rsp).contains("id2");
 504         assertThat(rsp.contains("id3")).isFalse();
 505
 506         url = "/policies?type=type1&service=service2";
 507         rsp = restClient().get(url).block();
 508         logger.info(rsp);
 509         assertThat(rsp.contains("id1")).isFalse();
 510         assertThat(rsp).contains("id2");
 511         assertThat(rsp.contains("id3")).isFalse();
 512
 513         // Test get policies for non existing type
 514         url = "/policies?type=type1XXX";
 515         testErrorCode(restClient().get(url), HttpStatus.NOT_FOUND);
 516
 517         // Test get policies for non existing RIC
 518         url = "/policies?ric=XXX";
 519         testErrorCode(restClient().get(url), HttpStatus.NOT_FOUND);
 520     }
 521
 522     @Test
 523     public void testGetPolicyIdsFilter() throws Exception {
 524         addPolicy("id1", "type1", "service1", "ric1");
 525         addPolicy("id2", "type1", "service2", "ric1");
 526         addPolicy("id3", "type2", "service1", "ric1");
 527
 528         String url = "/policy_ids?type=type1";
 529         String rsp = restClient().get(url).block();
 530         logger.info(rsp);
 531         assertThat(rsp).contains("id1");
 532         assertThat(rsp).contains("id2");
 533         assertThat(rsp.contains("id3")).isFalse();
 534
 535         url = "/policy_ids?type=type1&service=service1&ric=ric1";
 536         rsp = restClient().get(url).block();
 537         assertThat(rsp).isEqualTo("[\"id1\"]");
 538
 539         // Test get policy ids for non existing type
 540         url = "/policy_ids?type=type1XXX";
 541         testErrorCode(restClient().get(url), HttpStatus.NOT_FOUND);
 542
 543         // Test get policy ids for non existing RIC
 544         url = "/policy_ids?ric=XXX";
 545         testErrorCode(restClient().get(url), HttpStatus.NOT_FOUND);
 546     }
 547
 548     @Test
 549     public void testPutAndGetService() throws Exception {
 550         // PUT
 551         putService("name", 0, HttpStatus.CREATED);
 552         putService("name", 0, HttpStatus.OK);
 553
 554         // GET one service
 555         String url = "/services?name=name";
 556         String rsp = restClient().get(url).block();
 557         List<ServiceStatus> info = parseList(rsp, ServiceStatus.class);
 558         assertThat(info.size()).isEqualTo(1);
 559         ServiceStatus status = info.iterator().next();
 560         assertThat(status.keepAliveIntervalSeconds).isEqualTo(0);
 561         assertThat(status.serviceName).isEqualTo("name");
 562
 563         // GET (all)
 564         url = "/services";
 565         rsp = restClient().get(url).block();
 566         assertThat(rsp.contains("name")).isTrue();
 567         logger.info(rsp);
 568
 569         // Keep alive
 570         url = "/services/keepalive?name=name";
 571         ResponseEntity<String> entity = restClient().putForEntity(url).block();
 572         assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
 573
 574         // DELETE service
 575         assertThat(services.size()).isEqualTo(1);
 576         url = "/services?name=name";
 577         restClient().delete(url).block();
 578         assertThat(services.size()).isEqualTo(0);
 579
 580         // Keep alive, no registerred service
 581         testErrorCode(restClient().put("/services/keepalive?name=name", ""), HttpStatus.NOT_FOUND);
 582
 583         // PUT servive with bad payload
 584         testErrorCode(restClient().put("/service", "crap"), HttpStatus.BAD_REQUEST);
 585         testErrorCode(restClient().put("/service", "{}"), HttpStatus.BAD_REQUEST);
 586         testErrorCode(restClient().put("/service", createServiceJson("name", -123)), HttpStatus.BAD_REQUEST);
 587         testErrorCode(restClient().put("/service", createServiceJson("name", 0, "missing.portandprotocol.com")),
 588             HttpStatus.BAD_REQUEST);
 589
 590         // GET non existing servive
 591         testErrorCode(restClient().get("/services?name=XXX"), HttpStatus.NOT_FOUND);
 592     }
 593
 594     @Test
 595     public void testServiceSupervision() throws Exception {
 596         putService("service1", 1, HttpStatus.CREATED);
 597         addPolicyType("type1", "ric1");
 598
 599         String url = putPolicyUrl("service1", "ric1", "type1", "instance1");
 600         final String policyBody = jsonString();
 601         restClient().put(url, policyBody).block();
 602
 603         assertThat(policies.size()).isEqualTo(1);
 604         assertThat(services.size()).isEqualTo(1);
 605
 606         // Timeout after ~1 second
 607         await().untilAsserted(() -> assertThat(policies.size()).isEqualTo(0));
 608         assertThat(services.size()).isEqualTo(0);
 609     }
 610
 611     @Test
 612     public void testGetPolicyStatus() throws Exception {
 613         addPolicy("id", "typeName", "service1", "ric1");
 614         assertThat(policies.size()).isEqualTo(1);
 615
 616         String url = "/policy_status?id=id";
 617         String rsp = restClient().get(url).block();
 618         assertThat(rsp.equals("OK")).isTrue();
 619
 620         // GET non existing policy status
 621         url = "/policy_status?id=XXX";
 622         testErrorCode(restClient().get(url), HttpStatus.NOT_FOUND);
 623     }
 624
 625     private Policy addPolicy(String id, String typeName, String service, String ric) throws ServiceException {
 626         addRic(ric);
 627         Policy p = ImmutablePolicy.builder().id(id) //
 628             .json(jsonString()) //
 629             .ownerServiceName(service) //
 630             .ric(rics.getRic(ric)) //
 631             .type(addPolicyType(typeName, ric)) //
 632             .lastModified("lastModified").build();
 633         policies.put(p);
 634         return p;
 635     }
 636
 637     private Policy addPolicy(String id, String typeName, String service) throws ServiceException {
 638         return addPolicy(id, typeName, service, "ric");
 639     }
 640
 641     private String createServiceJson(String name, long keepAliveIntervalSeconds) {
 642         return createServiceJson(name, keepAliveIntervalSeconds, "https://examples.javacodegeeks.com/core-java/");
 643     }
 644
 645     private String createServiceJson(String name, long keepAliveIntervalSeconds, String url) {
 646         ServiceRegistrationInfo service = new ServiceRegistrationInfo(name, keepAliveIntervalSeconds, url);
 647
 648         String json = gson.toJson(service);
 649         return json;
 650     }
 651
 652     private void putService(String name) {
 653         putService(name, 0, null);
 654     }
 655
 656     private void putService(String name, long keepAliveIntervalSeconds, @Nullable HttpStatus expectedStatus) {
 657         String url = "/service";
 658         String body = createServiceJson(name, keepAliveIntervalSeconds);
 659         ResponseEntity<String> resp = restClient().putForEntity(url, body).block();
 660         if (expectedStatus != null) {
 661             assertEquals(expectedStatus, resp.getStatusCode(), "");
 662         }
 663     }
 664
 665     private String baseUrl() {
 666         return "https://localhost:" + port;
 667     }
 668
 669     private String jsonString() {
 670         return "{\"servingCellNrcgi\":\"1\"}";
 671     }
 672
 673     // @Test TODO temporary disabled
 674     public void testConcurrency() throws Exception {
 675         final Instant startTime = Instant.now();
 676         List<Thread> threads = new ArrayList<>();
 677         a1ClientFactory.setResponseDelay(Duration.ofMillis(1));
 678         addRic("ric");
 679         addPolicyType("type1", "ric");
 680         addPolicyType("type2", "ric");
 681
 682         for (int i = 0; i < 100; ++i) {
 683             Thread t =
 684                 new Thread(new ConcurrencyTestRunnable(baseUrl(), supervision, a1ClientFactory, rics, policyTypes),
 685                     "TestThread_" + i);
 686             t.start();
 687             threads.add(t);
 688         }
 689         for (Thread t : threads) {
 690             t.join();
 691         }
 692         assertThat(policies.size()).isEqualTo(0);
 693         logger.info("Concurrency test took " + Duration.between(startTime, Instant.now()));
 694     }
 695
 696     private AsyncRestClient restClient() {
 697         return new AsyncRestClient(baseUrl());
 698     }
 699
 700     private void testErrorCode(Mono<?> request, HttpStatus expStatus) {
 701         testErrorCode(request, expStatus, "");
 702     }
 703
 704     private void testErrorCode(Mono<?> request, HttpStatus expStatus, String responseContains) {
 705         StepVerifier.create(request) //
 706             .expectSubscription() //
 707             .expectErrorMatches(t -> checkWebClientError(t, expStatus, responseContains)) //
 708             .verify();
 709     }
 710
 711     private boolean checkWebClientError(Throwable t, HttpStatus expStatus, String responseContains) {
 712         assertTrue(t instanceof WebClientResponseException);
 713         WebClientResponseException e = (WebClientResponseException) t;
 714         assertThat(e.getStatusCode()).isEqualTo(expStatus);
 715         assertThat(e.getResponseBodyAsString()).contains(responseContains);
 716         return true;
 717     }
 718
 719     private MockA1Client getA1Client(String ricName) throws ServiceException {
 720         return a1ClientFactory.getOrCreateA1Client(ricName);
 721     }
 722
 723     private PolicyType createPolicyType(String policyTypeName) {
 724         return ImmutablePolicyType.builder() //
 725             .name(policyTypeName) //
 726             .schema("{\"title\":\"" + policyTypeName + "\"}") //
 727             .build();
 728     }
 729
 730     private PolicyType addPolicyType(String policyTypeName, String ricName) {
 731         PolicyType type = createPolicyType(policyTypeName);
 732         policyTypes.put(type);
 733         addRic(ricName).addSupportedPolicyType(type);
 734         return type;
 735     }
 736
 737     private Ric addRic(String ricName) {
 738         return addRic(ricName, null);
 739     }
 740
 741     private Ric addRic(String ricName, String managedElement) {
 742         if (rics.get(ricName) != null) {
 743             return rics.get(ricName);
 744         }
 745         List<String> mes = new ArrayList<>();
 746         if (managedElement != null) {
 747             mes.add(managedElement);
 748         }
 749         RicConfig conf = ImmutableRicConfig.builder() //
 750             .name(ricName) //
 751             .baseUrl(ricName) //
 752             .managedElementIds(mes) //
 753             .controllerName("") //
 754             .build();
 755         Ric ric = new Ric(conf);
 756         ric.setState(Ric.RicState.AVAILABLE);
 757         this.rics.put(ric);
 758         return ric;
 759     }
 760
 761     private static <T> List<T> parseList(String jsonString, Class<T> clazz) {
 762         List<T> result = new ArrayList<>();
 763         JsonArray jsonArr = JsonParser.parseString(jsonString).getAsJsonArray();
 764         for (JsonElement jsonElement : jsonArr) {
 765             T o = gson.fromJson(jsonElement.toString(), clazz);
 766             result.add(o);
 767         }
 768         return result;
 769     }
 770
 771     private static List<String> parseSchemas(String jsonString) {
 772         JsonArray arrayOfSchema = JsonParser.parseString(jsonString).getAsJsonArray();
 773         List<String> result = new ArrayList<>();
 774         for (JsonElement schemaObject : arrayOfSchema) {
 775             result.add(schemaObject.toString());
 776         }
 777         return result;
 778     }
 779 }