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path: root/components/slice-analysis-ms/src/test/java/org/onap/slice/analysis/ms/dmaap/MRTopicMonitorTest.java
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/*******************************************************************************
 *  ============LICENSE_START=======================================================
 *  slice-analysis-ms
 *  ================================================================================
 *   Copyright (C) 2022 Huawei Canada Limited.
 *   ==============================================================================
 *     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.
 *     ============LICENSE_END=========================================================
 *
 *******************************************************************************/

package org.onap.slice.analysis.ms.dmaap;

import com.google.gson.Gson;
import com.google.gson.JsonObject;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.mockito.Spy;
import org.mockito.stubbing.Answer;
import org.onap.slice.analysis.ms.models.Configuration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

import java.io.BufferedReader;
import java.io.FileReader;
import java.util.Map;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

@RunWith(SpringRunner.class)
@SpringBootTest(classes = MRTopicMonitorTest.class)
public class MRTopicMonitorTest {

    @Spy
    @InjectMocks
    MRTopicMonitor mrTopicMonitor;

    @Mock
    AaiEventNotificationCallback aaiEventNotificationCallback;

    @Before
    public void before(){
        Configuration configuration = Configuration.getInstance();
        String configAllJson = readFromFile("src/test/resources/config_all.json");
        JsonObject configAll = new Gson().fromJson(configAllJson, JsonObject.class);
        JsonObject config = configAll.getAsJsonObject("config");
        configuration.updateConfigurationFromJsonObject(config);

        mrTopicMonitor = new MRTopicMonitor("aai_subscriber", aaiEventNotificationCallback);
        MockitoAnnotations.initMocks(this);
    }

    @Test
    public void start() {
        mrTopicMonitor.start();
        Mockito.verify(mrTopicMonitor, Mockito.times(1)).start();
    }

    @Test
    public void run() {
        mrTopicMonitor.run();
        Mockito.verify(mrTopicMonitor, Mockito.times(1)).run();
    }

    @Test
    public void stop() {
        mrTopicMonitor.start();
        mrTopicMonitor.stop();
        Mockito.verify(mrTopicMonitor, Mockito.times(1)).stop();
    }

    private static String readFromFile(String file) {
        String content = "";
        try (BufferedReader bufferedReader = new BufferedReader(new FileReader(file))) {
            content = bufferedReader.readLine();
            String temp;
            while ((temp = bufferedReader.readLine()) != null) {
                content = content.concat(temp);
            }
            content = content.trim();
        } catch (Exception e) {
            content = null;
        }
        return content;
    }
}