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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.dcaegen2.pmmapper.config;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.when;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.UnknownHostException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.*;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.onap.dcaegen2.services.pmmapper.config.ConfigHandler;
import org.onap.dcaegen2.services.pmmapper.exceptions.CBSConfigException;
import org.onap.dcaegen2.services.pmmapper.exceptions.CBSServerError;
import org.onap.dcaegen2.services.pmmapper.exceptions.EnvironmentConfigException;
import org.onap.dcaegen2.services.pmmapper.exceptions.MapperConfigException;
import org.onap.dcaegen2.services.pmmapper.model.EnvironmentConfig;
import org.onap.dcaegen2.services.pmmapper.model.MapperConfig;
import org.onap.dcaegen2.services.pmmapper.utils.RequestSender;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import com.google.gson.Gson;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.read.ListAppender;
import utils.LoggingUtils;
@RunWith(PowerMockRunner.class)
@PrepareForTest(EnvironmentConfig.class)
public class ConfigHandlerTests {
private static String validMapperConfig;
private static String HOSTNAME = "pm-mapper-service-name";
private static String CBS_HOST = "cbs_host";
private static int CBS_PORT = 10000;
private Gson gson = new Gson();
@Mock
private RequestSender sender;
@BeforeClass()
public static void beforeClass() throws Exception {
validMapperConfig = getFileContents("valid_mapper_config.json");
}
@Before
public void before() throws Exception {
PowerMockito.mockStatic(EnvironmentConfig.class);
PowerMockito.when(EnvironmentConfig.getCBSHostName()).thenReturn(CBS_HOST);
PowerMockito.when(EnvironmentConfig.getCBSPort()).thenReturn(CBS_PORT);
PowerMockito.when(EnvironmentConfig.getServiceName()).thenReturn(HOSTNAME);
}
@Test
public void getMapperConfig_success() throws Exception {
ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(ConfigHandler.class);
String validCbsUrl = "http://" + CBS_HOST + ":" + CBS_PORT +"/service_component/" + HOSTNAME;
when(sender.send(validCbsUrl)).thenReturn(validMapperConfig);
MapperConfig actualConfig = getMapperConfig();
MapperConfig expectedConfig = gson.fromJson(validMapperConfig, MapperConfig.class);
assertEquals(expectedConfig, actualConfig);
assertEquals(logAppender.list.get(0).getMarker().getName(), "ENTRY");
assertTrue(logAppender.list.get(1).getMessage().contains("Received pm-mapper configuration from ConfigBinding Service"));
assertEquals(logAppender.list.get(1).getMarker().getName(), "EXIT");
logAppender.stop();
}
@Test
public void configbinding_server_error() throws Exception {
when(sender.send(anyString())).thenThrow(CBSServerError.class);
assertThrows(CBSServerError.class, this::getMapperConfig);
}
@Test
public void configbinding_server_host_missing() throws Exception {
PowerMockito.when(EnvironmentConfig.getCBSHostName()).thenThrow(EnvironmentConfigException.class);
assertThrows(EnvironmentConfigException.class, this::getMapperConfig);
}
@Test
public void mapper_parse_invalid_json() throws Exception {
when(sender.send(anyString())).thenReturn("mapper config with incorrect format");
assertThrows(MapperConfigException.class, this::getMapperConfig);
}
@Test
public void mapper_parse_valid_json_missing_attributes() throws Exception {
when(sender.send(anyString())).thenReturn(getFileContents("incomplete_mapper_config.json"));
assertThrows(MapperConfigException.class, this::getMapperConfig);
}
private MapperConfig getMapperConfig()
throws UnknownHostException, EnvironmentConfigException, CBSConfigException, Exception {
return new ConfigHandler(sender).getMapperConfig();
}
private static String getFileContents(String fileName) throws IOException {
ClassLoader classLoader = ConfigHandlerTests.class.getClassLoader();
String fileAsString = "";
try (BufferedReader reader = new BufferedReader(
new InputStreamReader(classLoader.getResourceAsStream(fileName)))) {
String line;
while ((line = reader.readLine()) != null) {
fileAsString += line;
}
}
return fileAsString;
}
}
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