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===================================
20 package org.oransc.policyagent.configuration;
22 import static org.assertj.core.api.Assertions.assertThat;
23 import static org.junit.Assert.assertTrue;
24 import static org.mockito.ArgumentMatchers.any;
25 import static org.mockito.Mockito.doReturn;
26 import static org.mockito.Mockito.mock;
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.Test;
52 import org.junit.jupiter.api.Assertions;
53 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClient;
54 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.EnvProperties;
55 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.ImmutableEnvProperties;
56 import org.oransc.policyagent.exceptions.ServiceException;
57 import org.oransc.policyagent.utils.LoggingUtils;
59 import reactor.core.publisher.Flux;
60 import reactor.core.publisher.Mono;
61 import reactor.test.StepVerifier;
63 public class ApplicationConfigTest {
65 private ApplicationConfig appConfigUnderTest;
66 CbsClient cbsClient = mock(CbsClient.class);
68 public static final ImmutableRicConfig CORRECT_RIC_CONIFG = ImmutableRicConfig.builder() //
70 .baseUrl("http://localhost:8080/") //
71 .managedElementIds(new Vector<String>(Arrays.asList("kista_1", "kista_2"))) //
74 private static EnvProperties properties() {
75 return ImmutableEnvProperties.builder() //
76 .consulHost("host") //
78 .cbsName("cbsName") //
79 .appName("appName") //
84 public void whenTheConfigurationFits() throws IOException, ServiceException {
86 appConfigUnderTest = spy(ApplicationConfig.class);
87 appConfigUnderTest.systemEnvironment = new Properties();
89 doReturn(getCorrectJson()).when(appConfigUnderTest).createInputStream(any());
90 appConfigUnderTest.initialize();
93 verify(appConfigUnderTest, times(1)).loadConfigurationFromFile(any());
95 Vector<RicConfig> ricConfigs = appConfigUnderTest.getRicConfigs();
96 RicConfig ricConfig = ricConfigs.firstElement();
97 assertThat(ricConfigs).isNotNull();
98 assertThat(ricConfig).isEqualTo(CORRECT_RIC_CONIFG);
102 public void whenFileIsExistsButJsonIsIncorrect() throws IOException, ServiceException {
104 appConfigUnderTest = spy(ApplicationConfig.class);
105 appConfigUnderTest.systemEnvironment = new Properties();
108 doReturn(getIncorrectJson()).when(appConfigUnderTest).createInputStream(any());
109 appConfigUnderTest.loadConfigurationFromFile(any());
112 verify(appConfigUnderTest, times(1)).loadConfigurationFromFile(any());
113 Assertions.assertNull(appConfigUnderTest.getRicConfigs());
117 public void whenPeriodicConfigRefreshNoEnvironmentVariables() {
119 appConfigUnderTest = spy(ApplicationConfig.class);
120 appConfigUnderTest.systemEnvironment = new Properties();
122 final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(ApplicationConfig.class);
123 Flux<ApplicationConfig> task = appConfigUnderTest.createRefreshTask();
125 StepVerifier.create(task).expectSubscription().verifyComplete();
127 assertTrue(logAppender.list.toString().contains("$CONSUL_HOST environment has not been defined"));
131 public void whenPeriodicConfigRefreshNoConsul() {
132 appConfigUnderTest = spy(ApplicationConfig.class);
133 appConfigUnderTest.systemEnvironment = new Properties();
135 EnvProperties props = properties();
136 doReturn(Mono.just(props)).when(appConfigUnderTest).getEnvironment(any());
138 doReturn(Mono.just(cbsClient)).when(appConfigUnderTest).createCbsClient(props);
139 Flux<JsonObject> err = Flux.error(new IOException());
140 doReturn(err).when(cbsClient).updates(any(), any(), any());
142 final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(ApplicationConfig.class);
143 Flux<ApplicationConfig> task = appConfigUnderTest.createRefreshTask();
147 .expectSubscription() //
151 logAppender.list.toString().contains("Could not refresh application configuration java.io.IOException"));
155 public void whenPeriodicConfigRefreshSuccess() throws JsonIOException, JsonSyntaxException, IOException {
156 appConfigUnderTest = spy(ApplicationConfig.class);
157 appConfigUnderTest.systemEnvironment = new Properties();
159 EnvProperties props = properties();
160 doReturn(Mono.just(props)).when(appConfigUnderTest).getEnvironment(any());
161 doReturn(Mono.just(cbsClient)).when(appConfigUnderTest).createCbsClient(props);
163 Flux<JsonObject> json = Flux.just(getJsonRootObject());
164 doReturn(json).when(cbsClient).updates(any(), any(), any());
166 Flux<ApplicationConfig> task = appConfigUnderTest.createRefreshTask();
170 .expectSubscription() //
171 .expectNext(appConfigUnderTest) //
174 Assertions.assertNotNull(appConfigUnderTest.getRicConfigs());
177 private JsonObject getJsonRootObject() throws JsonIOException, JsonSyntaxException, IOException {
178 JsonObject rootObject = (new JsonParser()).parse(new InputStreamReader(getCorrectJson())).getAsJsonObject();
182 private static InputStream getCorrectJson() throws IOException {
183 URL url = ApplicationConfigParser.class.getClassLoader().getResource("test_application_configuration.json");
184 String string = Resources.toString(url, Charsets.UTF_8);
185 return new ByteArrayInputStream((string.getBytes(StandardCharsets.UTF_8)));
188 private static InputStream getIncorrectJson() {
189 String string = "{" + //
190 " \"config\": {" + //
192 return new ByteArrayInputStream((string.getBytes(StandardCharsets.UTF_8)));