2 * ========================LICENSE_START=================================
5 * Copyright (C) 2019 Nordix Foundation
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
11 * http://www.apache.org/licenses/LICENSE-2.0
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===================================
21 package org.oransc.policyagent.configuration;
23 import static org.assertj.core.api.Assertions.assertThat;
24 import static org.junit.jupiter.api.Assertions.assertTrue;
25 import static org.mockito.ArgumentMatchers.any;
26 import static org.mockito.Mockito.doReturn;
27 import static org.mockito.Mockito.spy;
28 import static org.mockito.Mockito.times;
29 import static org.mockito.Mockito.verify;
31 import ch.qos.logback.classic.spi.ILoggingEvent;
32 import ch.qos.logback.core.read.ListAppender;
34 import com.google.common.base.Charsets;
35 import com.google.common.io.Resources;
36 import com.google.gson.JsonIOException;
37 import com.google.gson.JsonObject;
38 import com.google.gson.JsonParser;
39 import com.google.gson.JsonSyntaxException;
41 import java.io.ByteArrayInputStream;
42 import java.io.IOException;
43 import java.io.InputStream;
44 import java.io.InputStreamReader;
46 import java.nio.charset.StandardCharsets;
47 import java.util.Arrays;
48 import java.util.Properties;
49 import java.util.Vector;
51 import org.junit.jupiter.api.Assertions;
52 import org.junit.jupiter.api.Test;
53 import org.junit.jupiter.api.extension.ExtendWith;
54 import org.junit.runner.RunWith;
55 import org.mockito.Mock;
56 import org.mockito.junit.MockitoJUnitRunner;
57 import org.mockito.junit.jupiter.MockitoExtension;
58 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClient;
59 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.EnvProperties;
60 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.ImmutableEnvProperties;
61 import org.oransc.policyagent.exceptions.ServiceException;
62 import org.oransc.policyagent.utils.LoggingUtils;
64 import reactor.core.publisher.Flux;
65 import reactor.core.publisher.Mono;
66 import reactor.test.StepVerifier;
68 @ExtendWith(MockitoExtension.class)
69 @RunWith(MockitoJUnitRunner.class)
70 public class ApplicationConfigTest {
72 private ApplicationConfig appConfigUnderTest;
77 public static final ImmutableRicConfig CORRECT_RIC_CONIFG = ImmutableRicConfig.builder() //
79 .baseUrl("http://localhost:8080/") //
80 .managedElementIds(new Vector<String>(Arrays.asList("kista_1", "kista_2"))) //
83 private static EnvProperties properties() {
84 return ImmutableEnvProperties.builder() //
85 .consulHost("host") //
87 .cbsName("cbsName") //
88 .appName("appName") //
93 public void whenTheConfigurationFits() throws IOException, ServiceException {
95 appConfigUnderTest = spy(ApplicationConfig.class);
96 appConfigUnderTest.systemEnvironment = new Properties();
98 doReturn(getCorrectJson()).when(appConfigUnderTest).createInputStream(any());
99 doReturn("fileName").when(appConfigUnderTest).getLocalConfigurationFilePath();
100 appConfigUnderTest.initialize();
103 verify(appConfigUnderTest, times(1)).loadConfigurationFromFile();
105 Iterable<RicConfig> ricConfigs = appConfigUnderTest.getRicConfigs();
106 RicConfig ricConfig = ricConfigs.iterator().next();
107 assertThat(ricConfigs).isNotNull();
108 assertThat(ricConfig).isEqualTo(CORRECT_RIC_CONIFG);
112 public void whenFileIsExistsButJsonIsIncorrect() throws IOException, ServiceException {
114 appConfigUnderTest = spy(ApplicationConfig.class);
115 appConfigUnderTest.systemEnvironment = new Properties();
118 doReturn(getIncorrectJson()).when(appConfigUnderTest).createInputStream(any());
119 doReturn("fileName").when(appConfigUnderTest).getLocalConfigurationFilePath();
120 appConfigUnderTest.loadConfigurationFromFile();
123 verify(appConfigUnderTest, times(1)).loadConfigurationFromFile();
124 Assertions.assertEquals(0, appConfigUnderTest.getRicConfigs().size());
128 public void whenPeriodicConfigRefreshNoEnvironmentVariables() {
130 appConfigUnderTest = spy(ApplicationConfig.class);
131 appConfigUnderTest.systemEnvironment = new Properties();
133 final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(ApplicationConfig.class);
134 Flux<ApplicationConfig> task = appConfigUnderTest.createRefreshTask();
136 StepVerifier.create(task).expectSubscription().verifyComplete();
138 assertTrue(logAppender.list.toString().contains("$CONSUL_HOST environment has not been defined"));
142 public void whenPeriodicConfigRefreshNoConsul() {
143 appConfigUnderTest = spy(ApplicationConfig.class);
144 appConfigUnderTest.systemEnvironment = new Properties();
146 EnvProperties props = properties();
147 doReturn(Mono.just(props)).when(appConfigUnderTest).getEnvironment(any());
149 doReturn(Mono.just(cbsClient)).when(appConfigUnderTest).createCbsClient(props);
150 Flux<JsonObject> err = Flux.error(new IOException());
151 doReturn(err).when(cbsClient).updates(any(), any(), any());
153 final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(ApplicationConfig.class);
154 Flux<ApplicationConfig> task = appConfigUnderTest.createRefreshTask();
158 .expectSubscription() //
162 logAppender.list.toString().contains("Could not refresh application configuration java.io.IOException"));
166 public void whenPeriodicConfigRefreshSuccess() throws JsonIOException, JsonSyntaxException, IOException {
167 appConfigUnderTest = spy(ApplicationConfig.class);
168 appConfigUnderTest.systemEnvironment = new Properties();
170 EnvProperties props = properties();
171 doReturn(Mono.just(props)).when(appConfigUnderTest).getEnvironment(any());
172 doReturn(Mono.just(cbsClient)).when(appConfigUnderTest).createCbsClient(props);
174 Flux<JsonObject> json = Flux.just(getJsonRootObject());
175 doReturn(json).when(cbsClient).updates(any(), any(), any());
177 Flux<ApplicationConfig> task = appConfigUnderTest.createRefreshTask();
181 .expectSubscription() //
182 .expectNext(appConfigUnderTest) //
185 Assertions.assertNotNull(appConfigUnderTest.getRicConfigs());
188 private JsonObject getJsonRootObject() throws JsonIOException, JsonSyntaxException, IOException {
189 JsonObject rootObject = (new JsonParser()).parse(new InputStreamReader(getCorrectJson())).getAsJsonObject();
193 private static InputStream getCorrectJson() throws IOException {
194 URL url = ApplicationConfigParser.class.getClassLoader().getResource("test_application_configuration.json");
195 String string = Resources.toString(url, Charsets.UTF_8);
196 return new ByteArrayInputStream((string.getBytes(StandardCharsets.UTF_8)));
199 private static InputStream getIncorrectJson() {
200 String string = "{" + //
201 " \"config\": {" + //
203 return new ByteArrayInputStream((string.getBytes(StandardCharsets.UTF_8)));