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.junit.Assert.assertEquals;
  25 import static org.junit.jupiter.api.Assertions.assertFalse;
  26
  27 import com.google.gson.Gson;
  28 import com.google.gson.GsonBuilder;
  29 import com.google.gson.reflect.TypeToken;
  30
  31 import java.net.URL;
  32 import java.util.Collection;
  33 import java.util.List;
  34 import java.util.Vector;
  35
  36 import org.junit.jupiter.api.Test;
  37 import org.junit.jupiter.api.extension.ExtendWith;
  38 import org.oransc.policyagent.clients.A1Client;
  39 import org.oransc.policyagent.configuration.ApplicationConfig;
  40 import org.oransc.policyagent.configuration.ImmutableRicConfig;
  41 import org.oransc.policyagent.configuration.RicConfig;
  42 import org.oransc.policyagent.controllers.ImmutableServiceRegistrationInfo;
  43 import org.oransc.policyagent.controllers.ImmutableServiceStatus;
  44 import org.oransc.policyagent.controllers.ServiceRegistrationInfo;
  45 import org.oransc.policyagent.controllers.ServiceStatus;
  46 import org.oransc.policyagent.exceptions.ServiceException;
  47 import org.oransc.policyagent.repository.ImmutablePolicy;
  48 import org.oransc.policyagent.repository.ImmutablePolicyType;
  49 import org.oransc.policyagent.repository.Policies;
  50 import org.oransc.policyagent.repository.Policy;
  51 import org.oransc.policyagent.repository.PolicyType;
  52 import org.oransc.policyagent.repository.PolicyTypes;
  53 import org.oransc.policyagent.repository.Ric;
  54 import org.oransc.policyagent.repository.Rics;
  55 import org.springframework.beans.factory.annotation.Autowired;
  56 import org.springframework.boot.test.context.SpringBootTest;
  57 import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
  58 import org.springframework.boot.test.context.TestConfiguration;
  59 import org.springframework.boot.web.server.LocalServerPort;
  60 import org.springframework.context.ApplicationContext;
  61 import org.springframework.context.annotation.Bean;
  62 import org.springframework.http.HttpStatus;
  63 import org.springframework.http.ResponseEntity;
  64 import org.springframework.test.context.junit.jupiter.SpringExtension;
  65 import org.springframework.web.client.RestTemplate;
  66 import reactor.core.publisher.Mono;
  67
  68 @ExtendWith(SpringExtension.class)
  69 @SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
  70 public class ApplicationTest {
  71     @Autowired
  72     ApplicationContext context;
  73
  74     @Autowired
  75     private Rics rics;
  76
  77     @Autowired
  78     private Policies policies;
  79
  80     @Autowired
  81     private PolicyTypes policyTypes;
  82
  83     private static Gson gson = new GsonBuilder() //
  84         .serializeNulls() //
  85         .create(); //
  86
  87     public static class MockApplicationConfig extends ApplicationConfig {
  88         @Override
  89         public void initialize() {
  90             URL url = MockApplicationConfig.class.getClassLoader().getResource("test_application_configuration.json");
  91             loadConfigurationFromFile(url.getFile());
  92         }
  93     }
  94
  95     static class A1ClientMock implements A1Client {
  96         private final Policies policies;
  97         private final PolicyTypes policyTypes;
  98
  99         A1ClientMock(Policies policies, PolicyTypes policyTypes) {
 100             this.policies = policies;
 101             this.policyTypes = policyTypes;
 102         }
 103
 104         @Override
 105         public Mono<Collection<String>> getPolicyTypeIdentities(String nearRtRicUrl) {
 106             Vector<String> result = new Vector<>();
 107             for (PolicyType p : this.policyTypes.getAll()) {
 108                 result.add(p.name());
 109             }
 110             return Mono.just(result);
 111         }
 112
 113         @Override
 114         public Mono<String> getPolicyType(String nearRtRicUrl, String policyTypeId) {
 115             try {
 116                 return Mono.just(this.policies.get(policyTypeId).json());
 117             } catch (Exception e) {
 118                 return Mono.error(e);
 119             }
 120         }
 121
 122         @Override
 123         public Mono<String> putPolicy(String nearRtRicUrl, String policyId, String policyString) {
 124             return Mono.just("OK");
 125         }
 126
 127         @Override
 128         public Mono<String> deletePolicy(String nearRtRicUrl, String policyId) {
 129             return Mono.just("OK");
 130         }
 131
 132         @Override
 133         public Mono<Collection<String>> getPolicyIdentities(String nearRtRicUrl) {
 134             return Mono.empty(); // problem is that a recovery will start
 135         }
 136     }
 137
 138     /**
 139      * Overrides the BeanFactory.
 140      */
 141     @TestConfiguration
 142     static class TestBeanFactory {
 143         private final Rics rics = new Rics();
 144         private final Policies policies = new Policies();
 145         private final PolicyTypes policyTypes = new PolicyTypes();
 146
 147         @Bean
 148         public ApplicationConfig getApplicationConfig() {
 149             return new MockApplicationConfig();
 150         }
 151
 152         @Bean
 153         A1Client getA1Client() {
 154             return new A1ClientMock(this.policies, this.policyTypes);
 155         }
 156
 157         @Bean
 158         public Policies getPolicies() {
 159             return this.policies;
 160         }
 161
 162         @Bean
 163         public PolicyTypes getPolicyTypes() {
 164             return this.policyTypes;
 165         }
 166
 167         @Bean
 168         public Rics getRics() {
 169             return this.rics;
 170         }
 171     }
 172
 173     @LocalServerPort
 174     private int port;
 175
 176     private final RestTemplate restTemplate = new RestTemplate();
 177
 178     private void reset() {
 179         rics.clear();
 180         policies.clear();
 181         policyTypes.clear();
 182         assertThat(policies.size()).isEqualTo(0);
 183     }
 184
 185     @Test
 186     public void testGetRics() throws Exception {
 187         reset();
 188         addRic("kista_1");
 189         String url = baseUrl() + "/rics";
 190         String rsp = this.restTemplate.getForObject(url, String.class);
 191         System.out.println(rsp);
 192         assertThat(rsp).contains("kista_1");
 193
 194         url = baseUrl() + "/rics?policyType=ANR";
 195         rsp = this.restTemplate.getForObject(url, String.class);
 196         assertThat(rsp).isEqualTo("[]");
 197     }
 198
 199     @Test
 200     public void testGetRic() throws Exception {
 201         reset();
 202         String url = baseUrl() + "/ric?managedElementId=kista_1";
 203         String rsp = this.restTemplate.getForObject(url, String.class);
 204         System.out.println(rsp);
 205         assertThat(rsp).isEqualTo("ric1");
 206     }
 207
 208     @Test
 209     public void testPutPolicy() throws Exception {
 210         putService("service1");
 211
 212         String url = baseUrl() + "/policy?type=type1&instance=instance1&ric=ric1&service=service1";
 213         String json = "{}";
 214         addPolicyType("type1", "ric1");
 215         this.rics.getRic("ric1").setState(Ric.RicState.ACTIVE);
 216
 217         this.restTemplate.put(url, json);
 218
 219         Policy policy = policies.getPolicy("instance1");
 220
 221         assertThat(policy).isNotNull();
 222         assertThat(policy.id()).isEqualTo("instance1");
 223         assertThat(policy.ownerServiceName()).isEqualTo("service1");
 224
 225         url = baseUrl() + "/policies";
 226         String rsp = this.restTemplate.getForObject(url, String.class);
 227         System.out.println(rsp);
 228     }
 229
 230     private PolicyType addPolicyType(String policyTypeName, String ricName) {
 231         PolicyType type = ImmutablePolicyType.builder() //
 232             .name(policyTypeName) //
 233             .schema("{\"title\":\"" + policyTypeName + "\"}") //
 234             .build();
 235
 236         policyTypes.put(type);
 237         addRic(ricName).addSupportedPolicyType(type);
 238         return type;
 239     }
 240
 241     private Ric addRic(String ricName) {
 242         if (rics.get(ricName) != null) {
 243             return rics.get(ricName);
 244         }
 245         Vector<String> mes = new Vector<>();
 246         RicConfig conf = ImmutableRicConfig.builder() //
 247             .name(ricName) //
 248             .baseUrl("baseUrl") //
 249             .managedElementIds(mes) //
 250             .build();
 251         Ric ric = new Ric(conf);
 252         this.rics.put(ric);
 253         return ric;
 254     }
 255
 256     private Policy addPolicy(String id, String typeName, String service, String ric) throws ServiceException {
 257         addRic(ric);
 258         Policy p = ImmutablePolicy.builder().id(id) //
 259             .json("{}") //
 260             .ownerServiceName(service) //
 261             .ric(rics.getRic(ric)) //
 262             .type(addPolicyType(typeName, ric)) //
 263             .lastModified("lastModified").build();
 264         policies.put(p);
 265         return p;
 266     }
 267
 268     private Policy addPolicy(String id, String typeName, String service) throws ServiceException {
 269         return addPolicy(id, typeName, service, "ric");
 270     }
 271
 272     private String baseUrl() {
 273         return "http://localhost:" + port;
 274     }
 275
 276     @Test
 277     public void testGetPolicy() throws Exception {
 278         String url = baseUrl() + "/policy?instance=id";
 279         Policy policy = addPolicy("id", "typeName", "service1", "ric1");
 280         {
 281             String rsp = this.restTemplate.getForObject(url, String.class);
 282             assertThat(rsp).isEqualTo(policy.json());
 283         }
 284         {
 285             policies.remove(policy);
 286             ResponseEntity<String> rsp = this.restTemplate.getForEntity(url, String.class);
 287             assertThat(rsp.getStatusCodeValue()).isEqualTo(HttpStatus.NO_CONTENT.value());
 288         }
 289     }
 290
 291     @Test
 292     public void testDeletePolicy() throws Exception {
 293         reset();
 294         String url = baseUrl() + "/policy?instance=id";
 295         Policy policy = addPolicy("id", "typeName", "service1", "ric1");
 296         policy.ric().setState(Ric.RicState.ACTIVE);
 297         assertThat(policies.size()).isEqualTo(1);
 298
 299         this.restTemplate.delete(url);
 300
 301         assertThat(policies.size()).isEqualTo(0);
 302     }
 303
 304     private static <T> List<T> parseList(String json, Class<T> clazz) {
 305         if (null == json) {
 306             return null;
 307         }
 308         return gson.fromJson(json, new TypeToken<T>() {}.getType());
 309
 310     }
 311
 312     @Test
 313     public void testGetPolicySchemas() throws Exception {
 314         reset();
 315         addPolicyType("type1", "ric1");
 316         addPolicyType("type2", "ric2");
 317
 318         String url = baseUrl() + "/policy_schemas";
 319         String rsp = this.restTemplate.getForObject(url, String.class);
 320         System.out.println("*** " + rsp);
 321         assertThat(rsp).contains("type1");
 322         assertThat(rsp).contains("type2");
 323         assertThat(rsp).contains("title");
 324
 325         List<String> info = parseList(rsp, String.class);
 326         assertEquals(2, info.size());
 327
 328         url = baseUrl() + "/policy_schemas?ric=ric1";
 329         rsp = this.restTemplate.getForObject(url, String.class);
 330         assertThat(rsp).contains("type1");
 331         info = parseList(rsp, String.class);
 332         assertEquals(1, info.size());
 333     }
 334
 335     @Test
 336     public void testGetPolicySchema() throws Exception {
 337         reset();
 338         addPolicyType("type1", "ric1");
 339         addPolicyType("type2", "ric2");
 340
 341         String url = baseUrl() + "/policy_schema?id=type1";
 342         String rsp = this.restTemplate.getForObject(url, String.class);
 343         System.out.println(rsp);
 344         assertThat(rsp).contains("type1");
 345         assertThat(rsp).contains("title");
 346     }
 347
 348     @Test
 349     public void testGetPolicyTypes() throws Exception {
 350         reset();
 351         addPolicyType("type1", "ric1");
 352         addPolicyType("type2", "ric2");
 353
 354         String url = baseUrl() + "/policy_types";
 355         String rsp = this.restTemplate.getForObject(url, String.class);
 356         assertThat(rsp).isEqualTo("[\"type2\",\"type1\"]");
 357
 358         url = baseUrl() + "/policy_types?ric=ric1";
 359         rsp = this.restTemplate.getForObject(url, String.class);
 360         assertThat(rsp).isEqualTo("[\"type1\"]");
 361     }
 362
 363     @Test
 364     public void testGetPolicies() throws Exception {
 365         String url = baseUrl() + "/policies";
 366         addPolicy("id1", "type1", "service1");
 367         addPolicy("id2", "type2", "service2");
 368
 369         String rsp = this.restTemplate.getForObject(url, String.class);
 370         System.out.println(rsp);
 371         assertThat(rsp).contains("id1");
 372         assertThat(rsp).contains("id2");
 373     }
 374
 375     @Test
 376     public void testGetPoliciesFilter() throws Exception {
 377         addPolicy("id1", "type1", "service1");
 378         addPolicy("id2", "type1", "service2");
 379         addPolicy("id3", "type2", "service1");
 380
 381         String url = baseUrl() + "/policies?type=type1";
 382         String rsp = this.restTemplate.getForObject(url, String.class);
 383         System.out.println(rsp);
 384         assertThat(rsp).contains("id1");
 385         assertThat(rsp).contains("id2");
 386         assertFalse(rsp.contains("id3"));
 387
 388         url = baseUrl() + "/policies?type=type1&service=service2";
 389         rsp = this.restTemplate.getForObject(url, String.class);
 390         System.out.println(rsp);
 391         assertFalse(rsp.contains("id1"));
 392         assertThat(rsp).contains("id2");
 393         assertFalse(rsp.contains("id3"));
 394     }
 395
 396     private String createServiceJson(String name) {
 397         ServiceRegistrationInfo service = ImmutableServiceRegistrationInfo.builder() //
 398             .keepAliveInterval(1) //
 399             .name(name) //
 400             .build();
 401         String json = gson.toJson(service);
 402         return json;
 403     }
 404
 405     private void putService(String name) {
 406         String url = baseUrl() + "/service";
 407         this.restTemplate.put(url, createServiceJson(name));
 408     }
 409
 410     @Test
 411     public void testPutAndGetService() throws Exception {
 412         putService("name");
 413
 414         String url = baseUrl() + "/service?name=name";
 415         String rsp = this.restTemplate.getForObject(url, String.class);
 416         ServiceStatus status = gson.fromJson(rsp, ImmutableServiceStatus.class);
 417         assertThat(status.keepAliveInterval() == 1);
 418         assertThat(status.name().equals("name"));
 419
 420         url = baseUrl() + "/services";
 421         rsp = this.restTemplate.getForObject(url, String.class);
 422         assertThat(rsp.contains("name"));
 423         System.out.println(rsp);
 424
 425         url = baseUrl() + "/service/ping";
 426         this.restTemplate.put(url, "name");
 427     }
 428
 429 }