Add SDNR A1 client in policy-agent
[nonrtric.git] / policy-agent / src / test / java / org / oransc / policyagent / ApplicationTest.java
index d8ff2e1..3e5932f 100644 (file)
  * limitations under the License.
  * ========================LICENSE_END===================================
  */
+
 package org.oransc.policyagent;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertFalse;
+import static org.awaitility.Awaitility.await;
+import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonParser;
 
-import java.net.URL;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Vector;
 
-import org.junit.Test;
-import org.junit.runner.RunWith;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
 import org.oransc.policyagent.configuration.ApplicationConfig;
+import org.oransc.policyagent.configuration.ImmutableRicConfig;
+import org.oransc.policyagent.configuration.RicConfig;
+import org.oransc.policyagent.controllers.PolicyInfo;
+import org.oransc.policyagent.controllers.ServiceRegistrationInfo;
+import org.oransc.policyagent.controllers.ServiceStatus;
 import org.oransc.policyagent.exceptions.ServiceException;
 import org.oransc.policyagent.repository.ImmutablePolicy;
 import org.oransc.policyagent.repository.ImmutablePolicyType;
@@ -34,20 +51,39 @@ import org.oransc.policyagent.repository.Policies;
 import org.oransc.policyagent.repository.Policy;
 import org.oransc.policyagent.repository.PolicyType;
 import org.oransc.policyagent.repository.PolicyTypes;
+import org.oransc.policyagent.repository.Ric;
+import org.oransc.policyagent.repository.Ric.RicState;
+import org.oransc.policyagent.repository.Rics;
+import org.oransc.policyagent.repository.Services;
+import org.oransc.policyagent.tasks.RepositorySupervision;
+import org.oransc.policyagent.utils.MockA1Client;
+import org.oransc.policyagent.utils.MockA1ClientFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
 import org.springframework.boot.test.context.TestConfiguration;
 import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.Bean;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
+import org.springframework.http.HttpStatus.Series;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
-import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.http.client.ClientHttpResponse;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.web.client.ResponseErrorHandler;
 import org.springframework.web.client.RestTemplate;
 
-@RunWith(SpringRunner.class)
+@ExtendWith(SpringExtension.class)
 @SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
 public class ApplicationTest {
+    @Autowired
+    ApplicationContext context;
+
+    @Autowired
+    private Rics rics;
 
     @Autowired
     private Policies policies;
@@ -56,136 +92,395 @@ public class ApplicationTest {
     private PolicyTypes policyTypes;
 
     @Autowired
-    ApplicationConfig appConfig;
+    MockA1ClientFactory a1ClientFactory;
+
+    @Autowired
+    RepositorySupervision supervision;
 
-    static class MockApplicationConfig extends ApplicationConfig {
-        public void initialize() {
-            URL url = MockApplicationConfig.class.getClassLoader().getResource("test_application_configuration.json");
-            loadConfigurationFromFile(url.getFile());
+    @Autowired
+    Services services;
+
+    private static Gson gson = new GsonBuilder() //
+        .serializeNulls() //
+        .create(); //
+
+    public static class MockApplicationConfig extends ApplicationConfig {
+        @Override
+        public String getLocalConfigurationFilePath() {
+            return ""; // No config file loaded for the test
         }
     }
 
+    /**
+     * Overrides the BeanFactory.
+     */
     @TestConfiguration
-    static class Beans {
+    static class TestBeanFactory {
+        private final PolicyTypes policyTypes = new PolicyTypes();
+
+        @Bean
+        public ApplicationConfig getApplicationConfig() {
+            return new MockApplicationConfig();
+        }
+
+        @Bean
+        MockA1ClientFactory getA1ClientFactory() {
+            return new MockA1ClientFactory(this.policyTypes);
+        }
+
         @Bean
-        Policies getPolicies() {
+        public Policies getPolicies() {
             return new Policies();
         }
 
         @Bean
-        PolicyTypes getPolicyTypes() {
-            return new PolicyTypes();
+        public PolicyTypes getPolicyTypes() {
+            return this.policyTypes;
         }
 
         @Bean
-        ApplicationConfig getApplicationConfig() {
-            return new MockApplicationConfig();
+        public Rics getRics() {
+            return new Rics();
         }
     }
 
     @LocalServerPort
     private int port;
 
-    private RestTemplate restTemplate = new RestTemplate();
+    private final RestTemplate restTemplate = new RestTemplate();
+
+    public class RestTemplateResponseErrorHandler implements ResponseErrorHandler {
+
+        @Override
+        public boolean hasError(ClientHttpResponse httpResponse) throws IOException {
+            return (httpResponse.getStatusCode().series() == Series.CLIENT_ERROR
+                || httpResponse.getStatusCode().series() == Series.SERVER_ERROR);
+        }
+
+        @Override
+        public void handleError(ClientHttpResponse httpResponse) throws IOException {
+            System.out.println("Error " + httpResponse.toString());
+        }
+    }
+
+    private void reset() {
+        rics.clear();
+        policies.clear();
+        policyTypes.clear();
+        assertThat(policies.size()).isEqualTo(0);
+        restTemplate.setErrorHandler(new RestTemplateResponseErrorHandler());
+    }
 
     @Test
-    public void getRics() throws Exception {
-        String cmd = "/rics";
-        String rsp = this.restTemplate.getForObject("http://localhost:" + port + cmd, String.class);
+    public void testGetRics() throws Exception {
+        reset();
+        addRic("kista_1");
+        String url = baseUrl() + "/rics";
+        String rsp = this.restTemplate.getForObject(url, String.class);
+        System.out.println(rsp);
         assertThat(rsp).contains("kista_1");
+
+        url = baseUrl() + "/rics?policyType=ANR";
+        rsp = this.restTemplate.getForObject(url, String.class);
+        assertThat(rsp).isEqualTo("[]");
     }
 
     @Test
-    public void getRic() throws Exception {
-        String cmd = "/ric?managedElementId=kista_1";
-        String rsp = this.restTemplate.getForObject("http://localhost:" + port + cmd, String.class);
-        assertThat(rsp).isEqualTo("ric1");
+    public void testRecovery() throws Exception {
+        reset();
+        Policy policy2 = addPolicy("policyId2", "typeName", "service", "ric");
+
+        getA1Client("ric").putPolicy(policy2); // put it in the RIC
+        policies.remove(policy2); // Remove it from the repo -> should be deleted in the RIC
+
+        Policy policy = addPolicy("policyId", "typeName", "service", "ric"); // This should be created in the RIC
+        supervision.checkAllRics(); // The created policy should be put in the RIC
+        await().untilAsserted(() -> RicState.IDLE.equals(rics.getRic("ric").getState()));
+
+        Policies ricPolicies = getA1Client("ric").getPolicies();
+        assertThat(ricPolicies.size()).isEqualTo(1);
+        Policy ricPolicy = ricPolicies.get("policyId");
+        assertThat(ricPolicy.json()).isEqualTo(policy.json());
     }
 
-    // managedElmentId -> nodeName
+    MockA1Client getA1Client(String ricName) throws ServiceException {
+        return a1ClientFactory.getOrCreateA1Client(ricName);
+    }
+
+    @Test
+    public void testGetRic() throws Exception {
+        reset();
+        Ric ric = addRic("ric1");
+        ric.addManagedElement("kista_1");
+        String url = baseUrl() + "/ric?managedElementId=kista_1";
+
+        String rsp = this.restTemplate.getForObject(url, String.class);
+        System.out.println(rsp);
+        assertThat(rsp).isEqualTo("ric1");
+    }
 
     @Test
-    public void putPolicy() throws Exception {
-        String url = "http://localhost:" + port + "/policy?type=type1&instance=instance1&ric=ric1&service=service1";
-        String json = "{}";
-        addPolicyType("type1");
+    public void testPutPolicy() throws Exception {
+        reset();
+        putService("service1");
+        addPolicyType("type1", "ric1");
+
+        String url = baseUrl() + "/policy?type=type1&instance=instance1&ric=ric1&service=service1";
+        final String json = jsonString();
+        this.rics.getRic("ric1").setState(Ric.RicState.IDLE);
 
-        this.restTemplate.put(url, json);
-        Policy policy = this.policies.get("instance1");
+        this.restTemplate.put(url, createJsonHttpEntity(json));
+        Policy policy = policies.getPolicy("instance1");
 
         assertThat(policy).isNotNull();
         assertThat(policy.id()).isEqualTo("instance1");
         assertThat(policy.ownerServiceName()).isEqualTo("service1");
+
+        url = baseUrl() + "/policies";
+        String rsp = this.restTemplate.getForObject(url, String.class);
+        System.out.println(rsp);
     }
 
-    private PolicyType addPolicyType(String name) {
+    private PolicyType addPolicyType(String policyTypeName, String ricName) {
         PolicyType type = ImmutablePolicyType.builder() //
-            .jsonSchema("") //
-            .name(name) //
+            .name(policyTypeName) //
+            .schema("{\"title\":\"" + policyTypeName + "\"}") //
             .build();
 
         policyTypes.put(type);
+        addRic(ricName).addSupportedPolicyType(type);
         return type;
     }
 
-    private Policy addPolicy(String id, String typeName, String service) throws ServiceException {
+    private Ric addRic(String ricName) {
+        if (rics.get(ricName) != null) {
+            return rics.get(ricName);
+        }
+        Vector<String> mes = new Vector<>();
+        RicConfig conf = ImmutableRicConfig.builder() //
+            .name(ricName) //
+            .baseUrl(ricName) //
+            .managedElementIds(mes) //
+            .build();
+        Ric ric = new Ric(conf);
+        this.rics.put(ric);
+        return ric;
+    }
+
+    private String createServiceJson(String name) {
+        ServiceRegistrationInfo service = new ServiceRegistrationInfo(name, 1, "callbackUrl");
+
+        String json = gson.toJson(service);
+        return json;
+    }
+
+    HttpEntity<String> createJsonHttpEntity(String content) {
+        HttpHeaders headers = new HttpHeaders();
+        headers.setContentType(MediaType.APPLICATION_JSON);
+        return new HttpEntity<String>(content, headers);
+    }
+
+    private void putService(String name) {
+        String url = baseUrl() + "/service";
+        HttpEntity<String> entity = createJsonHttpEntity(createServiceJson(name));
+        this.restTemplate.put(url, entity);
+    }
+
+    private String jsonString() {
+        return "{\n  \"servingCellNrcgi\": \"1\"\n }";
+    }
+
+    private Policy addPolicy(String id, String typeName, String service, String ric) throws ServiceException {
+        addRic(ric);
         Policy p = ImmutablePolicy.builder().id(id) //
-            .json("{}") //
+            .json(jsonString()) //
             .ownerServiceName(service) //
-            .ric(appConfig.getRic("ric1")) //
-            .type(addPolicyType(typeName)) //
-            .build();
-        this.policies.put(p);
+            .ric(rics.getRic(ric)) //
+            .type(addPolicyType(typeName, ric)) //
+            .lastModified("lastModified").build();
+        policies.put(p);
         return p;
     }
 
+    private Policy addPolicy(String id, String typeName, String service) throws ServiceException {
+        return addPolicy(id, typeName, service, "ric");
+    }
+
+    private String baseUrl() {
+        return "http://localhost:" + port;
+    }
+
     @Test
-    public void getPolicy() throws Exception {
-        String url = "http://localhost:" + port + "/policy?instance=id";
-        Policy policy = addPolicy("id", "typeName", "service1");
+    public void testGetPolicy() throws Exception {
+        String url = baseUrl() + "/policy?instance=id";
+        Policy policy = addPolicy("id", "typeName", "service1", "ric1");
         {
             String rsp = this.restTemplate.getForObject(url, String.class);
             assertThat(rsp).isEqualTo(policy.json());
         }
         {
-            this.policies.remove(policy);
+            policies.remove(policy);
             ResponseEntity<String> rsp = this.restTemplate.getForEntity(url, String.class);
             assertThat(rsp.getStatusCodeValue()).isEqualTo(HttpStatus.NO_CONTENT.value());
         }
     }
 
     @Test
-    public void getPolicies() throws Exception {
-        String url = "http://localhost:" + port + "/policies";
+    public void testDeletePolicy() throws Exception {
+        reset();
+        String url = baseUrl() + "/policy?instance=id";
+        Policy policy = addPolicy("id", "typeName", "service1", "ric1");
+        policy.ric().setState(Ric.RicState.IDLE);
+        assertThat(policies.size()).isEqualTo(1);
+
+        this.restTemplate.delete(url);
+
+        assertThat(policies.size()).isEqualTo(0);
+    }
+
+    @Test
+    public void testGetPolicySchemas() throws Exception {
+        reset();
+        addPolicyType("type1", "ric1");
+        addPolicyType("type2", "ric2");
+
+        String url = baseUrl() + "/policy_schemas";
+        String rsp = this.restTemplate.getForObject(url, String.class);
+        System.out.println("*** " + rsp);
+        assertThat(rsp).contains("type1");
+        assertThat(rsp).contains("type2");
+        assertThat(rsp).contains("title");
+
+        List<String> info = parseSchemas(rsp);
+        assertEquals(2, info.size());
+
+        url = baseUrl() + "/policy_schemas?ric=ric1";
+        rsp = this.restTemplate.getForObject(url, String.class);
+        assertThat(rsp).contains("type1");
+        info = parseSchemas(rsp);
+        assertEquals(1, info.size());
+    }
+
+    @Test
+    public void testGetPolicySchema() throws Exception {
+        reset();
+        addPolicyType("type1", "ric1");
+        addPolicyType("type2", "ric2");
+
+        String url = baseUrl() + "/policy_schema?id=type1";
+        String rsp = this.restTemplate.getForObject(url, String.class);
+        System.out.println(rsp);
+        assertThat(rsp).contains("type1");
+        assertThat(rsp).contains("title");
+    }
+
+    @Test
+    public void testGetPolicyTypes() throws Exception {
+        reset();
+        addPolicyType("type1", "ric1");
+        addPolicyType("type2", "ric2");
+
+        String url = baseUrl() + "/policy_types";
+        String rsp = this.restTemplate.getForObject(url, String.class);
+        assertThat(rsp).isEqualTo("[\"type2\",\"type1\"]");
+
+        url = baseUrl() + "/policy_types?ric=ric1";
+        rsp = this.restTemplate.getForObject(url, String.class);
+        assertThat(rsp).isEqualTo("[\"type1\"]");
+    }
+
+    @Test
+    public void testGetPolicies() throws Exception {
+        String url = baseUrl() + "/policies";
         addPolicy("id1", "type1", "service1");
-        addPolicy("id2", "type2", "service2");
 
         String rsp = this.restTemplate.getForObject(url, String.class);
         System.out.println(rsp);
-        assertThat(rsp).contains("id1");
-        assertThat(rsp).contains("id2");
+        List<PolicyInfo> info = parseList(rsp, PolicyInfo.class);
+        assertThat(info).size().isEqualTo(1);
+        PolicyInfo policyInfo = info.get(0);
+        assert (policyInfo.validate());
+        assertThat(policyInfo.id).isEqualTo("id1");
+        assertThat(policyInfo.type).isEqualTo("type1");
+        assertThat(policyInfo.service).isEqualTo("service1");
     }
 
     @Test
-    public void getPoliciesFilter() throws Exception {
-        String url = "http://localhost:" + port + "/policies?type=type1";
+    public void testGetPoliciesFilter() throws Exception {
         addPolicy("id1", "type1", "service1");
         addPolicy("id2", "type1", "service2");
         addPolicy("id3", "type2", "service1");
 
+        String url = baseUrl() + "/policies?type=type1";
         String rsp = this.restTemplate.getForObject(url, String.class);
         System.out.println(rsp);
         assertThat(rsp).contains("id1");
         assertThat(rsp).contains("id2");
         assertFalse(rsp.contains("id3"));
 
-        url = "http://localhost:" + port + "/policies?type=type1&service=service2";
+        url = baseUrl() + "/policies?type=type1&service=service2";
         rsp = this.restTemplate.getForObject(url, String.class);
         System.out.println(rsp);
         assertFalse(rsp.contains("id1"));
         assertThat(rsp).contains("id2");
         assertFalse(rsp.contains("id3"));
+    }
+
+    @Test
+    public void testPutAndGetService() throws Exception {
+        reset();
+        // PUT
+        putService("name");
 
+        // GET
+        String url = baseUrl() + "/services?name=name";
+        String rsp = this.restTemplate.getForObject(url, String.class);
+        List<ServiceStatus> info = parseList(rsp, ServiceStatus.class);
+        assertThat(info.size() == 1);
+        ServiceStatus status = info.iterator().next();
+        assertThat(status.keepAliveIntervalSeconds == 1);
+        assertThat(status.name.equals("name"));
+
+        // GET (all)
+        url = baseUrl() + "/services";
+        rsp = this.restTemplate.getForObject(url, String.class);
+        assertThat(rsp.contains("name"));
+        System.out.println(rsp);
+
+        // Keep alive
+        url = baseUrl() + "/services/keepalive?name=name";
+        rsp = this.restTemplate.postForObject(url, null, String.class);
+        assertThat(rsp.contains("OK"));
+
+        // DELETE
+        assertThat(services.size() == 1);
+        url = baseUrl() + "/services?name=name";
+        this.restTemplate.delete(url);
+        assertThat(services.size() == 0);
+
+        // Keep alive, no registerred service
+        url = baseUrl() + "/services/keepalive?name=nameXXX";
+        ResponseEntity<String> entity = this.restTemplate.postForEntity(url, null, String.class);
+        assertThat(entity.getStatusCode().equals(HttpStatus.NOT_FOUND));
+    }
+
+    private static <T> List<T> parseList(String jsonString, Class<T> clazz) {
+        List<T> result = new ArrayList<>();
+        JsonArray jsonArr = JsonParser.parseString(jsonString).getAsJsonArray();
+        for (JsonElement jsonElement : jsonArr) {
+            T o = gson.fromJson(jsonElement.toString(), clazz);
+            result.add(o);
+        }
+        return result;
+    }
+
+    private static List<String> parseSchemas(String jsonString) {
+        JsonArray arrayOfSchema = JsonParser.parseString(jsonString).getAsJsonArray();
+        List<String> result = new ArrayList<>();
+        for (JsonElement schemaObject : arrayOfSchema) {
+            result.add(schemaObject.toString());
+        }
+        return result;
     }
 
 }