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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.junit.jupiter.api.Assertions.*;
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.mockito.Mockito.*;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
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.ConsulServerError;
import org.onap.dcaegen2.services.pmmapper.exceptions.EnvironmentConfigException;
import org.onap.dcaegen2.services.pmmapper.exceptions.MapperConfigException;
import org.onap.dcaegen2.services.pmmapper.model.MapperConfig;
import org.onap.dcaegen2.services.pmmapper.utils.RequestSender;
import com.google.gson.Gson;
@ExtendWith(MockitoExtension.class)
public class ConfigHandlerTests {
private static String cbsConfig;
private static String validMapperConfig;
private String consulURL = "http://my_consult_host:8500/v1/catalog/service/config-binding-service";
private String cbsURL = "http://config-binding-service:10000/service_component/pm-mapper-service-name";
private Gson gson = new Gson();
@Mock
private RequestSender sender;
@BeforeAll()
public static void beforeAll() throws IOException {
validMapperConfig = getFileContents("valid_mapper_config.json");
cbsConfig = getFileContents("valid_cbs_config.json");
}
@BeforeEach
public void beforeEach() throws Exception {
System.setProperty("CONSUL_HOST", "my_consult_host");
System.setProperty("CONSUL_PORT", "8500");
System.setProperty("CONFIG_BINDING_SERVICE", "config-binding-service");
System.setProperty("HOSTNAME", "hotstname");
}
@Test
public void environmentConfig_missing_consulHost() throws EnvironmentConfigException {
System.clearProperty("CONSUL_HOST");
System.clearProperty("CONFIG_BINDING_SERVICE");
Exception exception = assertThrows(EnvironmentConfigException.class, () -> {
ConfigHandler configHandler = new ConfigHandler(sender);
configHandler.getMapperConfig();
});
assertTrue(exception.getMessage()
.contains("$CONSUL_HOST environment variable must be defined"));
}
@Test
public void getMapperConfig_success() throws Exception {
when(sender.send(anyString())).then(invocation -> {
String url = (String) invocation.getArguments()[0];
return url.equals(consulURL) ? cbsConfig : validMapperConfig;
});
MapperConfig actualConfig = getMapperConfig();
MapperConfig expectedConfig = gson.fromJson(validMapperConfig, MapperConfig.class);
assertEquals(expectedConfig, actualConfig);
}
@Test
public void configbinding_config_format_error() throws Exception {
when(sender.send(consulURL)).then((invocationMock) -> {
return "some string that is not cbs config";
});
assertThrows(CBSConfigException.class, this::getMapperConfig);
}
@Test
public void consul_host_is_unknown() throws Exception {
when(sender.send(consulURL)).thenThrow(new UnknownHostException());
assertThrows(ConsulServerError.class, this::getMapperConfig);
}
@Test
public void configbinding_host_is_unknown() throws Exception {
when(sender.send(anyString())).then(invocation -> {
boolean isCBS = invocation.getArguments()[0].equals(cbsURL);
if (isCBS) {
throw new UnknownHostException("unknown cbs");
}
return cbsConfig;
});
assertThrows(CBSServerError.class, this::getMapperConfig);
}
@Test
public void consul_port_invalid() throws Exception {
System.setProperty("CONSUL_PORT", "19d93hjuji");
assertThrows(EnvironmentConfigException.class, this::getMapperConfig);
}
@Test
public void consul_server_error() throws Exception {
when(sender.send(consulURL)).thenThrow(new ConsulServerError("consul server error", new Throwable()));
assertThrows(ConsulServerError.class, this::getMapperConfig);
}
@Test
public void configbinding_server_error() throws Exception {
when(sender.send(anyString())).then(invocation -> {
boolean isCBS = invocation.getArguments()[0].equals(cbsURL);
if (isCBS) {
throw new CBSServerError("unknown cbs", new Throwable());
}
return cbsConfig;
});
assertThrows(CBSServerError.class, this::getMapperConfig);
}
@Test
public void mapper_parse_invalid_json() throws Exception {
when(sender.send(anyString())).then(invocation -> {
String url = (String) invocation.getArguments()[0];
return url.equals(consulURL) ? cbsConfig : "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())).then(invocation -> {
String incompleteConfig = getFileContents("incomplete_mapper_config.json");
String url = (String) invocation.getArguments()[0];
return url.equals(consulURL) ? cbsConfig : incompleteConfig;
});
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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