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/*-
 * ============LICENSE_START=======================================================
 *  Copyright (C) 2019-2020 Nordix Foundation.
 *  Modifications Copyright (C) 2020 AT&T Inc.
 * ================================================================================
 * 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.pap.main.rest;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.ws.rs.client.Invocation;
import javax.ws.rs.core.GenericType;
import javax.ws.rs.core.Response;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
import org.onap.policy.common.parameters.ParameterService;
import org.onap.policy.pap.main.parameters.PapParameterGroup;
import org.powermock.reflect.Whitebox;

/**
 * Class to perform unit test of {@link PolicyComponentsHealthCheckControllerV1}.
 *
 * @author Yehui Wang (yehui.wang@est.tech)
 */
public class TestPolicyComponentsHealthCheckControllerV1 extends CommonPapRestServer {

    private static final String ENDPOINT = "components/healthcheck";
    private static List<BusTopicParams> savedBusTopicParams;

    /**
     * Set up for the test class.
     */
    @BeforeClass
    public static void setUpClass() {
        // To skip calling to the remote components
        PapParameterGroup papParameterGroup = ParameterService.get("PapGroup");
        List<BusTopicParams> lo = Whitebox.getInternalState(papParameterGroup, "healthCheckRestClientParameters");
        savedBusTopicParams = new ArrayList<>(lo);
        lo.clear();
    }

    /**
     * Tear down for the test class.
     */
    @AfterClass
    public static void tearDownClass() {
        PapParameterGroup papParameterGroup = ParameterService.get("PapGroup");
        List<BusTopicParams> lo = Whitebox.getInternalState(papParameterGroup, "healthCheckRestClientParameters");
        lo.addAll(savedBusTopicParams);
    }

    @Test
    public void testSwagger() throws Exception {
        super.testSwagger(ENDPOINT);
    }

    @Test
    @SuppressWarnings("unchecked")
    public void testPolicyComponentsHealthCheck() throws Exception {
        Invocation.Builder invocationBuilder = sendRequest(ENDPOINT);
        Response response = invocationBuilder.get();
        assertEquals(Response.Status.OK.getStatusCode(), response.getStatus());
        Map<String, Object> result = new HashMap<>();
        result = (Map<String, Object>) response.readEntity(GenericType.forInstance(result));
        // No PDP configured, healthy is false
        assertFalse((Boolean) result.get("healthy"));
    }
}