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 appConfigUnderTest.initialize();
102 verify(appConfigUnderTest, times(1)).loadConfigurationFromFile(any());
104 Vector<RicConfig> ricConfigs = appConfigUnderTest.getRicConfigs();
105 RicConfig ricConfig = ricConfigs.firstElement();
106 assertThat(ricConfigs).isNotNull();
107 assertThat(ricConfig).isEqualTo(CORRECT_RIC_CONIFG);
111 public void whenFileIsExistsButJsonIsIncorrect() throws IOException, ServiceException {
113 appConfigUnderTest = spy(ApplicationConfig.class);
114 appConfigUnderTest.systemEnvironment = new Properties();
117 doReturn(getIncorrectJson()).when(appConfigUnderTest).createInputStream(any());
118 appConfigUnderTest.loadConfigurationFromFile(any());
121 verify(appConfigUnderTest, times(1)).loadConfigurationFromFile(any());
122 Assertions.assertNull(appConfigUnderTest.getRicConfigs());
126 public void whenPeriodicConfigRefreshNoEnvironmentVariables() {
128 appConfigUnderTest = spy(ApplicationConfig.class);
129 appConfigUnderTest.systemEnvironment = new Properties();
131 final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(ApplicationConfig.class);
132 Flux<ApplicationConfig> task = appConfigUnderTest.createRefreshTask();
134 StepVerifier.create(task).expectSubscription().verifyComplete();
136 assertTrue(logAppender.list.toString().contains("$CONSUL_HOST environment has not been defined"));
140 public void whenPeriodicConfigRefreshNoConsul() {
141 appConfigUnderTest = spy(ApplicationConfig.class);
142 appConfigUnderTest.systemEnvironment = new Properties();
144 EnvProperties props = properties();
145 doReturn(Mono.just(props)).when(appConfigUnderTest).getEnvironment(any());
147 doReturn(Mono.just(cbsClient)).when(appConfigUnderTest).createCbsClient(props);
148 Flux<JsonObject> err = Flux.error(new IOException());
149 doReturn(err).when(cbsClient).updates(any(), any(), any());
151 final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(ApplicationConfig.class);
152 Flux<ApplicationConfig> task = appConfigUnderTest.createRefreshTask();
156 .expectSubscription() //
160 logAppender.list.toString().contains("Could not refresh application configuration java.io.IOException"));
164 public void whenPeriodicConfigRefreshSuccess() throws JsonIOException, JsonSyntaxException, IOException {
165 appConfigUnderTest = spy(ApplicationConfig.class);
166 appConfigUnderTest.systemEnvironment = new Properties();
168 EnvProperties props = properties();
169 doReturn(Mono.just(props)).when(appConfigUnderTest).getEnvironment(any());
170 doReturn(Mono.just(cbsClient)).when(appConfigUnderTest).createCbsClient(props);
172 Flux<JsonObject> json = Flux.just(getJsonRootObject());
173 doReturn(json).when(cbsClient).updates(any(), any(), any());
175 Flux<ApplicationConfig> task = appConfigUnderTest.createRefreshTask();
179 .expectSubscription() //
180 .expectNext(appConfigUnderTest) //
183 Assertions.assertNotNull(appConfigUnderTest.getRicConfigs());
186 private JsonObject getJsonRootObject() throws JsonIOException, JsonSyntaxException, IOException {
187 JsonObject rootObject = (new JsonParser()).parse(new InputStreamReader(getCorrectJson())).getAsJsonObject();
191 private static InputStream getCorrectJson() throws IOException {
192 URL url = ApplicationConfigParser.class.getClassLoader().getResource("test_application_configuration.json");
193 String string = Resources.toString(url, Charsets.UTF_8);
194 return new ByteArrayInputStream((string.getBytes(StandardCharsets.UTF_8)));
197 private static InputStream getIncorrectJson() {
198 String string = "{" + //
199 " \"config\": {" + //
201 return new ByteArrayInputStream((string.getBytes(StandardCharsets.UTF_8)));