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.Assert.assertTrue;
25 import static org.mockito.ArgumentMatchers.any;
26 import static org.mockito.Mockito.doReturn;
27 import static org.mockito.Mockito.mock;
28 import static org.mockito.Mockito.spy;
29 import static org.mockito.Mockito.times;
30 import static org.mockito.Mockito.verify;
32 import ch.qos.logback.classic.spi.ILoggingEvent;
33 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;
40 import java.io.ByteArrayInputStream;
41 import java.io.IOException;
42 import java.io.InputStream;
43 import java.io.InputStreamReader;
45 import java.nio.charset.StandardCharsets;
46 import java.util.Arrays;
47 import java.util.Properties;
48 import java.util.Vector;
49 import org.junit.jupiter.api.Assertions;
50 import org.junit.jupiter.api.Test;
51 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClient;
52 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.EnvProperties;
53 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.ImmutableEnvProperties;
54 import org.oransc.policyagent.exceptions.ServiceException;
55 import org.oransc.policyagent.utils.LoggingUtils;
56 import reactor.core.publisher.Flux;
57 import reactor.core.publisher.Mono;
58 import reactor.test.StepVerifier;
60 public class ApplicationConfigTest {
62 private ApplicationConfig appConfigUnderTest;
63 CbsClient cbsClient = mock(CbsClient.class);
65 public static final ImmutableRicConfig CORRECT_RIC_CONIFG = ImmutableRicConfig.builder() //
67 .baseUrl("http://localhost:8080/") //
68 .managedElementIds(new Vector<String>(Arrays.asList("kista_1", "kista_2"))) //
71 private static EnvProperties properties() {
72 return ImmutableEnvProperties.builder() //
73 .consulHost("host") //
75 .cbsName("cbsName") //
76 .appName("appName") //
81 public void whenTheConfigurationFits() throws IOException, ServiceException {
83 appConfigUnderTest = spy(ApplicationConfig.class);
84 appConfigUnderTest.systemEnvironment = new Properties();
86 doReturn(getCorrectJson()).when(appConfigUnderTest).createInputStream(any());
87 appConfigUnderTest.initialize();
90 verify(appConfigUnderTest, times(1)).loadConfigurationFromFile(any());
92 Vector<RicConfig> ricConfigs = appConfigUnderTest.getRicConfigs();
93 RicConfig ricConfig = ricConfigs.firstElement();
94 assertThat(ricConfigs).isNotNull();
95 assertThat(ricConfig).isEqualTo(CORRECT_RIC_CONIFG);
99 public void whenFileIsExistsButJsonIsIncorrect() throws IOException, ServiceException {
101 appConfigUnderTest = spy(ApplicationConfig.class);
102 appConfigUnderTest.systemEnvironment = new Properties();
105 doReturn(getIncorrectJson()).when(appConfigUnderTest).createInputStream(any());
106 appConfigUnderTest.loadConfigurationFromFile(any());
109 verify(appConfigUnderTest, times(1)).loadConfigurationFromFile(any());
110 Assertions.assertNull(appConfigUnderTest.getRicConfigs());
114 public void whenPeriodicConfigRefreshNoEnvironmentVariables() {
116 appConfigUnderTest = spy(ApplicationConfig.class);
117 appConfigUnderTest.systemEnvironment = new Properties();
119 final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(ApplicationConfig.class);
120 Flux<ApplicationConfig> task = appConfigUnderTest.createRefreshTask();
122 StepVerifier.create(task).expectSubscription().verifyComplete();
124 assertTrue(logAppender.list.toString().contains("$CONSUL_HOST environment has not been defined"));
128 public void whenPeriodicConfigRefreshNoConsul() {
129 appConfigUnderTest = spy(ApplicationConfig.class);
130 appConfigUnderTest.systemEnvironment = new Properties();
132 EnvProperties props = properties();
133 doReturn(Mono.just(props)).when(appConfigUnderTest).getEnvironment(any());
135 doReturn(Mono.just(cbsClient)).when(appConfigUnderTest).createCbsClient(props);
136 Flux<JsonObject> err = Flux.error(new IOException());
137 doReturn(err).when(cbsClient).updates(any(), any(), any());
139 final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(ApplicationConfig.class);
140 Flux<ApplicationConfig> task = appConfigUnderTest.createRefreshTask();
144 .expectSubscription() //
148 logAppender.list.toString().contains("Could not refresh application configuration java.io.IOException"));
152 public void whenPeriodicConfigRefreshSuccess() throws JsonIOException, JsonSyntaxException, IOException {
153 appConfigUnderTest = spy(ApplicationConfig.class);
154 appConfigUnderTest.systemEnvironment = new Properties();
156 EnvProperties props = properties();
157 doReturn(Mono.just(props)).when(appConfigUnderTest).getEnvironment(any());
158 doReturn(Mono.just(cbsClient)).when(appConfigUnderTest).createCbsClient(props);
160 Flux<JsonObject> json = Flux.just(getJsonRootObject());
161 doReturn(json).when(cbsClient).updates(any(), any(), any());
163 Flux<ApplicationConfig> task = appConfigUnderTest.createRefreshTask();
167 .expectSubscription() //
168 .expectNext(appConfigUnderTest) //
171 Assertions.assertNotNull(appConfigUnderTest.getRicConfigs());
174 private JsonObject getJsonRootObject() throws JsonIOException, JsonSyntaxException, IOException {
175 JsonObject rootObject = (new JsonParser()).parse(new InputStreamReader(getCorrectJson())).getAsJsonObject();
179 private static InputStream getCorrectJson() throws IOException {
180 URL url = ApplicationConfigParser.class.getClassLoader().getResource("test_application_configuration.json");
181 String string = Resources.toString(url, Charsets.UTF_8);
182 return new ByteArrayInputStream((string.getBytes(StandardCharsets.UTF_8)));
185 private static InputStream getIncorrectJson() {
186 String string = "{" + //
187 " \"config\": {" + //
189 return new ByteArrayInputStream((string.getBytes(StandardCharsets.UTF_8)));