4cc236079bb849378bb98e3cd918c317cd8c0bd7
[ccsdk/oran.git] /
1 /*-
2  * ========================LICENSE_START=================================
3  * ONAP : ccsdk oran
4  * ======================================================================
5  * Copyright (C) 2019-2020 Nordix Foundation. All rights reserved.
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.onap.ccsdk.oran.a1policymanagementservice.tasks;
22
23 import static ch.qos.logback.classic.Level.ERROR;
24 import static ch.qos.logback.classic.Level.WARN;
25 import static org.assertj.core.api.Assertions.assertThat;
26 import static org.awaitility.Awaitility.await;
27 import static org.mockito.ArgumentMatchers.any;
28 import static org.mockito.Mockito.doNothing;
29 import static org.mockito.Mockito.doReturn;
30 import static org.mockito.Mockito.spy;
31 import static org.mockito.Mockito.times;
32 import static org.mockito.Mockito.verify;
33 import static org.mockito.Mockito.when;
34
35 import ch.qos.logback.classic.spi.ILoggingEvent;
36 import ch.qos.logback.core.read.ListAppender;
37
38 import com.google.common.base.Charsets;
39 import com.google.common.io.Resources;
40 import com.google.gson.JsonIOException;
41 import com.google.gson.JsonObject;
42 import com.google.gson.JsonParser;
43 import com.google.gson.JsonSyntaxException;
44
45 import java.io.ByteArrayInputStream;
46 import java.io.IOException;
47 import java.io.InputStream;
48 import java.io.InputStreamReader;
49 import java.net.URL;
50 import java.nio.charset.StandardCharsets;
51 import java.time.Duration;
52 import java.time.Instant;
53 import java.util.Arrays;
54 import java.util.Collections;
55 import java.util.HashMap;
56 import java.util.Properties;
57 import java.util.Vector;
58
59 import org.junit.jupiter.api.Test;
60 import org.junit.jupiter.api.extension.ExtendWith;
61 import org.mockito.Mock;
62 import org.mockito.Spy;
63 import org.mockito.junit.jupiter.MockitoExtension;
64 import org.onap.ccsdk.oran.a1policymanagementservice.clients.A1ClientFactory;
65 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
66 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig.RicConfigUpdate.Type;
67 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfigParser;
68 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfigParser.ConfigParserResult;
69 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ImmutableConfigParserResult;
70 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ImmutableRicConfig;
71 import org.onap.ccsdk.oran.a1policymanagementservice.configuration.RicConfig;
72 import org.onap.ccsdk.oran.a1policymanagementservice.repository.ImmutablePolicy;
73 import org.onap.ccsdk.oran.a1policymanagementservice.repository.ImmutablePolicyType;
74 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Policies;
75 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Policy;
76 import org.onap.ccsdk.oran.a1policymanagementservice.repository.PolicyTypes;
77 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Ric;
78 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Rics;
79 import org.onap.ccsdk.oran.a1policymanagementservice.repository.Services;
80 import org.onap.ccsdk.oran.a1policymanagementservice.utils.LoggingUtils;
81 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClient;
82 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.EnvProperties;
83 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.ImmutableEnvProperties;
84
85 import reactor.core.publisher.Mono;
86 import reactor.test.StepVerifier;
87
88 @ExtendWith(MockitoExtension.class)
89 class RefreshConfigTaskTest {
90
91     private static final boolean CONFIG_FILE_EXISTS = true;
92     private static final boolean CONFIG_FILE_DOES_NOT_EXIST = false;
93
94     private RefreshConfigTask refreshTaskUnderTest;
95
96     @Spy
97     ApplicationConfig appConfig;
98
99     @Mock
100     CbsClient cbsClient;
101
102     private static final String RIC_1_NAME = "ric1";
103     private static final RicConfig CORRECT_RIC_CONIFG = ImmutableRicConfig.builder() //
104             .ricId(RIC_1_NAME) //
105             .baseUrl("http://localhost:8080/") //
106             .managedElementIds(new Vector<String>(Arrays.asList("kista_1", "kista_2"))) //
107             .controllerName("") //
108             .build();
109
110     private static EnvProperties properties() {
111         return ImmutableEnvProperties.builder() //
112                 .consulHost("host") //
113                 .consulPort(123) //
114                 .cbsName("cbsName") //
115                 .appName("appName") //
116                 .build();
117     }
118
119     private RefreshConfigTask createTestObject(boolean configFileExists) {
120         return createTestObject(configFileExists, new Rics(), new Policies(), true);
121     }
122
123     private RefreshConfigTask createTestObject(boolean configFileExists, Rics rics, Policies policies,
124             boolean stubConfigFileExists) {
125         doReturn("fileName").when(appConfig).getLocalConfigurationFilePath();
126         doReturn(null).when(appConfig).getWebClientConfig();
127
128         RefreshConfigTask obj = spy(new RefreshConfigTask(appConfig, rics, policies, new Services(), new PolicyTypes(),
129                 new A1ClientFactory(appConfig)));
130         if (stubConfigFileExists) {
131             doReturn(configFileExists).when(obj).fileExists(any());
132         }
133         return obj;
134     }
135
136     @Test
137     void whenTheConfigurationFits_thenConfiguredRicsArePutInRepository() throws Exception {
138         refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_EXISTS);
139         refreshTaskUnderTest.systemEnvironment = new Properties();
140         // When
141         doReturn(getCorrectJson()).when(refreshTaskUnderTest).createInputStream(any());
142
143         StepVerifier //
144                 .create(refreshTaskUnderTest.createRefreshTask()) //
145                 .expectSubscription() //
146                 .expectNext(Type.ADDED) //
147                 .expectNext(Type.ADDED) //
148                 .thenCancel() //
149                 .verify();
150
151         // Then
152         verify(refreshTaskUnderTest).loadConfigurationFromFile();
153
154         verify(refreshTaskUnderTest, times(2)).runRicSynchronization(any(Ric.class));
155
156         Iterable<RicConfig> ricConfigs = appConfig.getRicConfigs();
157         RicConfig ricConfig = ricConfigs.iterator().next();
158         assertThat(ricConfigs).isNotNull();
159         assertThat(ricConfig).isEqualTo(CORRECT_RIC_CONIFG);
160     }
161
162     @Test
163     void whenFileExistsButJsonIsIncorrect_thenNoRicsArePutInRepositoryAndErrorIsLogged() throws Exception {
164         refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_EXISTS);
165         refreshTaskUnderTest.systemEnvironment = new Properties();
166
167         // When
168         final String JUNK_JSON = "{\"junk }";
169         doReturn(getJsonSteam(JUNK_JSON)).when(refreshTaskUnderTest).createInputStream(any());
170
171         final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(RefreshConfigTask.class, ERROR);
172
173         StepVerifier //
174                 .create(refreshTaskUnderTest.createRefreshTask()) //
175                 .expectSubscription() //
176                 .expectNoEvent(Duration.ofMillis(100)) //
177                 .thenCancel() //
178                 .verify();
179
180         // Then
181         verify(refreshTaskUnderTest).loadConfigurationFromFile();
182         assertThat(appConfig.getRicConfigs()).isEmpty();
183
184         await().until(() -> logAppender.list.size() > 0);
185         assertThat(logAppender.list.get(0).getFormattedMessage())
186                 .startsWith("Local configuration file not loaded: fileName, ");
187     }
188
189     @Test
190     void whenPeriodicConfigRefreshNoConsul_thenErrorIsLogged() {
191         refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_DOES_NOT_EXIST);
192         refreshTaskUnderTest.systemEnvironment = new Properties();
193
194         EnvProperties props = properties();
195         doReturn(Mono.just(props)).when(refreshTaskUnderTest).getEnvironment(any());
196
197         doReturn(Mono.just(cbsClient)).when(refreshTaskUnderTest).createCbsClient(props);
198         when(cbsClient.get(any())).thenReturn(Mono.error(new IOException()));
199
200         final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(RefreshConfigTask.class, WARN);
201
202         StepVerifier //
203                 .create(refreshTaskUnderTest.createRefreshTask()) //
204                 .expectSubscription() //
205                 .expectNoEvent(Duration.ofMillis(1000)) //
206                 .thenCancel() //
207                 .verify();
208
209         await().until(() -> logAppender.list.size() > 0);
210         assertThat(logAppender.list.get(0).getFormattedMessage())
211                 .isEqualTo("Could not refresh application configuration. java.io.IOException");
212     }
213
214     @Test
215     void whenPeriodicConfigRefreshSuccess_thenNewConfigIsCreatedAndRepositoryUpdated() throws Exception {
216         Rics rics = new Rics();
217         Policies policies = new Policies();
218         refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_DOES_NOT_EXIST, rics, policies, false);
219         refreshTaskUnderTest.systemEnvironment = new Properties();
220
221         RicConfig changedRicConfig = getRicConfig(RIC_1_NAME);
222         rics.put(new Ric(changedRicConfig));
223         RicConfig removedRicConfig = getRicConfig("removed");
224         Ric removedRic = new Ric(removedRicConfig);
225         rics.put(removedRic);
226         appConfig.setConfiguration(configParserResult(changedRicConfig, removedRicConfig));
227
228         Policy policy = getPolicy(removedRic);
229         policies.put(policy);
230
231         EnvProperties props = properties();
232         doReturn(Mono.just(props)).when(refreshTaskUnderTest).getEnvironment(any());
233         doReturn(Mono.just(cbsClient)).when(refreshTaskUnderTest).createCbsClient(props);
234
235         JsonObject configAsJson = getJsonRootObject(getCorrectJson());
236         String newBaseUrl = "newBaseUrl";
237         modifyTheRicConfiguration(configAsJson, newBaseUrl);
238         when(cbsClient.get(any())).thenReturn(Mono.just(configAsJson));
239         doNothing().when(refreshTaskUnderTest).runRicSynchronization(any(Ric.class));
240
241         StepVerifier //
242                 .create(refreshTaskUnderTest.createRefreshTask()) //
243                 .expectSubscription() //
244                 .expectNext(Type.CHANGED) //
245                 .expectNext(Type.ADDED) //
246                 .expectNext(Type.REMOVED) //
247                 .thenCancel() //
248                 .verify();
249
250         assertThat(appConfig.getRicConfigs()).hasSize(2);
251         assertThat(appConfig.getRic(RIC_1_NAME).baseUrl()).isEqualTo(newBaseUrl);
252         String ric2Name = "ric2";
253         assertThat(appConfig.getRic(ric2Name)).isNotNull();
254
255         assertThat(rics.size()).isEqualTo(2);
256         assertThat(rics.get(RIC_1_NAME).getConfig().baseUrl()).isEqualTo(newBaseUrl);
257         assertThat(rics.get(ric2Name)).isNotNull();
258
259         assertThat(policies.size()).isZero();
260     }
261
262     @Test
263     void whenPeriodicConfigRefreshInvalidJson_thenErrorIsLogged() throws Exception {
264         Rics rics = new Rics();
265         Policies policies = new Policies();
266         refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_DOES_NOT_EXIST, rics, policies, false);
267         refreshTaskUnderTest.systemEnvironment = new Properties();
268
269         appConfig.setConfiguration(configParserResult());
270
271         EnvProperties props = properties();
272         doReturn(Mono.just(props)).when(refreshTaskUnderTest).getEnvironment(any());
273         doReturn(Mono.just(cbsClient)).when(refreshTaskUnderTest).createCbsClient(props);
274
275         JsonObject emptyJsonObject = new JsonObject();
276         when(cbsClient.get(any())).thenReturn(Mono.just(emptyJsonObject));
277
278         final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(RefreshConfigTask.class, ERROR);
279
280         StepVerifier //
281                 .create(refreshTaskUnderTest.createRefreshTask()) //
282                 .expectSubscription() //
283                 .expectNoEvent(Duration.ofMillis(1000)) //
284                 .thenCancel() //
285                 .verify();
286
287         await().until(() -> logAppender.list.size() > 0);
288         assertThat(logAppender.list.get(0).getFormattedMessage()).startsWith(
289                 "Could not parse configuration org.onap.ccsdk.oran.a1policymanagementservice.exceptions.ServiceException: ");
290     }
291
292     private RicConfig getRicConfig(String name) {
293         RicConfig ricConfig = ImmutableRicConfig.builder() //
294                 .ricId(name) //
295                 .baseUrl("url") //
296                 .managedElementIds(Collections.emptyList()) //
297                 .controllerName("controllerName") //
298                 .build();
299         return ricConfig;
300     }
301
302     private Policy getPolicy(Ric ric) {
303         ImmutablePolicyType type = ImmutablePolicyType.builder() //
304                 .id("type") //
305                 .schema("{}") //
306                 .build();
307         Policy policy = ImmutablePolicy.builder() //
308                 .id("id") //
309                 .type(type) //
310                 .lastModified(Instant.now()) //
311                 .ric(ric) //
312                 .json("{}") //
313                 .ownerServiceId("ownerServiceId") //
314                 .isTransient(false) //
315                 .build();
316         return policy;
317     }
318
319     ConfigParserResult configParserResult(RicConfig... rics) {
320         return ImmutableConfigParserResult.builder() //
321                 .ricConfigs(Arrays.asList(rics)) //
322                 .dmaapConsumerTopicUrl("") //
323                 .dmaapProducerTopicUrl("") //
324                 .controllerConfigs(new HashMap<>()) //
325                 .build();
326     }
327
328     private void modifyTheRicConfiguration(JsonObject configAsJson, String newBaseUrl) {
329         ((JsonObject) configAsJson.getAsJsonObject("config") //
330                 .getAsJsonArray("ric").get(0)) //
331                         .addProperty("baseUrl", newBaseUrl);
332     }
333
334     private JsonObject getJsonRootObject(InputStream inStream)
335             throws JsonIOException, JsonSyntaxException, IOException {
336         JsonObject rootObject = JsonParser.parseReader(new InputStreamReader(inStream)).getAsJsonObject();
337         return rootObject;
338     }
339
340     private static InputStream getCorrectJson() throws IOException {
341         URL url = ApplicationConfigParser.class.getClassLoader().getResource("test_application_configuration.json");
342         String string = Resources.toString(url, Charsets.UTF_8);
343         return new ByteArrayInputStream((string.getBytes(StandardCharsets.UTF_8)));
344     }
345
346     private static InputStream getJsonSteam(String json) {
347         return new ByteArrayInputStream((json.getBytes(StandardCharsets.UTF_8)));
348     }
349 }