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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* Copyright (C) 2019 Nordix Foundation.
* Modifications Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2019-2020 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.policy.distribution.main.rest;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatCode;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Invocation;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.MediaType;
import org.glassfish.jersey.client.ClientConfig;
import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
import org.junit.Before;
import org.junit.Test;
import org.mockito.internal.util.reflection.Whitebox;
import org.onap.policy.common.endpoints.http.server.RestServer;
import org.onap.policy.common.endpoints.parameters.RestServerParameters;
import org.onap.policy.common.endpoints.report.HealthCheckReport;
import org.onap.policy.common.parameters.ParameterService;
import org.onap.policy.common.utils.network.NetworkUtil;
import org.onap.policy.distribution.main.PolicyDistributionException;
import org.onap.policy.distribution.main.parameters.CommonTestData;
import org.onap.policy.distribution.main.startstop.Main;
/**
* Class to perform unit test of HealthCheckMonitor.
*
* @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
*/
public class TestDistributionRestServer {
private static final String NOT_ALIVE = "not alive";
private static final String ALIVE = "alive";
private static final String SELF = NetworkUtil.getHostname();
private static final String NAME = "Policy SSD";
private int port;
@Before
public void setUp() {
ParameterService.clear();
}
@Test
public void testHealthCheckSuccess() throws IOException, InterruptedException {
final String reportString =
"HealthCheckReport(name=Policy SSD, url=" + SELF + ", healthy=true, code=200, message=alive)";
final Main main = startDistributionService();
final HealthCheckReport report = performHealthCheck();
validateReport(NAME, SELF, true, 200, ALIVE, reportString, report);
assertThatCode(() -> stopDistributionService(main)).doesNotThrowAnyException();
}
@Test
public void testHealthCheckFailure() throws IOException, InterruptedException {
port = NetworkUtil.allocPort();
final String reportString =
"HealthCheckReport(name=Policy SSD, url=" + SELF + ", healthy=false, code=500, message=not alive)";
final RestServerParameters restServerParams = new CommonTestData().getRestServerParameters(false);
Whitebox.setInternalState(restServerParams, "port", port);
restServerParams.setName(CommonTestData.DISTRIBUTION_GROUP_NAME);
final RestServer restServer = new RestServer(restServerParams, null, DistributionRestController.class);
restServer.start();
final HealthCheckReport report = performHealthCheck();
validateReport(NAME, SELF, false, 500, NOT_ALIVE, reportString, report);
assertTrue(restServer.isAlive());
assertThat(restServer.toString()).startsWith("RestServer(servers=");
assertThatCode(restServer::shutdown).doesNotThrowAnyException();
}
private Main startDistributionService() throws IOException {
port = CommonTestData.makeConfigFile("parameters/DistributionConfigParameters.json");
final String[] distributionConfigParameters = { "-c", CommonTestData.CONFIG_FILE };
return new Main(distributionConfigParameters);
}
private void stopDistributionService(final Main main) throws PolicyDistributionException {
main.shutdown();
}
private HealthCheckReport performHealthCheck() throws InterruptedException, IOException {
final ClientConfig clientConfig = new ClientConfig();
final HttpAuthenticationFeature feature = HttpAuthenticationFeature.basic("healthcheck", "zb!XztG34");
clientConfig.register(feature);
final Client client = ClientBuilder.newClient(clientConfig);
final WebTarget webTarget = client.target("http://localhost:" + port + "/healthcheck");
final Invocation.Builder invocationBuilder = webTarget.request(MediaType.APPLICATION_JSON);
CommonTestData.awaitServer(port);
return invocationBuilder.get(HealthCheckReport.class);
}
private void validateReport(final String name, final String url, final boolean healthy, final int code,
final String message, final String reportString, final HealthCheckReport report) {
assertEquals(name, report.getName());
assertEquals(url, report.getUrl());
assertEquals(healthy, report.isHealthy());
assertEquals(code, report.getCode());
assertEquals(message, report.getMessage());
assertEquals(reportString, report.toString());
}
}
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