elastic-job-cloud-scheduler/src/test/java/io/elasticjob/cloud/scheduler/mesos/SchedulerServiceTest.java

/*
 * Copyright 1999-2015 dangdang.com.
 * <p>
 * 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.
 * </p>
 */

package io.elasticjob.cloud.scheduler.mesos;

import io.elasticjob.cloud.scheduler.restful.RestfulService;
import io.elasticjob.cloud.scheduler.statistics.StatisticManager;
import io.elasticjob.cloud.scheduler.env.BootstrapEnvironment;
import io.elasticjob.cloud.scheduler.config.job.CloudJobConfigurationListener;
import io.elasticjob.cloud.scheduler.env.FrameworkConfiguration;
import io.elasticjob.cloud.scheduler.producer.ProducerManager;
import com.google.common.util.concurrent.Service;
import org.apache.mesos.SchedulerDriver;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InOrder;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.MockitoJUnitRunner;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.when;

@RunWith(MockitoJUnitRunner.class)
public class SchedulerServiceTest {
    
    @Mock
    private BootstrapEnvironment env;
    
    @Mock
    private CloudJobConfigurationListener cloudJobConfigurationListener;
    
    @Mock
    private FacadeService facadeService;
    
    @Mock
    private SchedulerDriver schedulerDriver;
    
    @Mock
    private ProducerManager producerManager;
    
    @Mock
    private StatisticManager statisticManager;
    
    @Mock
    private Service taskLaunchScheduledService;
    
    @Mock
    private RestfulService restfulService;
    
    @Mock
    private ReconcileService reconcileService;
    
    private SchedulerService schedulerService;
    
    @Before
    public void setUp() throws Exception {
        schedulerService = new SchedulerService(env, facadeService, schedulerDriver,  
                producerManager, statisticManager, cloudJobConfigurationListener, 
                taskLaunchScheduledService, restfulService, reconcileService);
    }
    
    @Test
    public void assertStart() {
        setReconcileEnabled(true);
        schedulerService.start();
        InOrder inOrder = getInOrder();
        inOrder.verify(facadeService).start();
        inOrder.verify(producerManager).startup();
        inOrder.verify(statisticManager).startup();
        inOrder.verify(cloudJobConfigurationListener).start();
        inOrder.verify(taskLaunchScheduledService).startAsync();
        inOrder.verify(restfulService).start();
        inOrder.verify(schedulerDriver).start();
        inOrder.verify(reconcileService).startAsync();
    }
    
    @Test
    public void assertStartWithoutReconcile() {
        setReconcileEnabled(false);
        schedulerService.start();
        InOrder inOrder = getInOrder();
        inOrder.verify(facadeService).start();
        inOrder.verify(producerManager).startup();
        inOrder.verify(statisticManager).startup();
        inOrder.verify(cloudJobConfigurationListener).start();
        inOrder.verify(taskLaunchScheduledService).startAsync();
        inOrder.verify(restfulService).start();
        inOrder.verify(schedulerDriver).start();
        inOrder.verify(reconcileService, never()).stopAsync();
    }
    
    @Test
    public void assertStop() {
        setReconcileEnabled(true);
        schedulerService.stop();
        InOrder inOrder = getInOrder();
        inOrder.verify(restfulService).stop();
        inOrder.verify(taskLaunchScheduledService).stopAsync();
        inOrder.verify(cloudJobConfigurationListener).stop();
        inOrder.verify(statisticManager).shutdown();
        inOrder.verify(producerManager).shutdown();
        inOrder.verify(schedulerDriver).stop(true);
        inOrder.verify(facadeService).stop();
        inOrder.verify(reconcileService).stopAsync();
    }
    
    @Test
    public void assertStopWithoutReconcile() {
        setReconcileEnabled(false);
        schedulerService.stop();
        InOrder inOrder = getInOrder();
        inOrder.verify(restfulService).stop();
        inOrder.verify(taskLaunchScheduledService).stopAsync();
        inOrder.verify(cloudJobConfigurationListener).stop();
        inOrder.verify(statisticManager).shutdown();
        inOrder.verify(producerManager).shutdown();
        inOrder.verify(schedulerDriver).stop(true);
        inOrder.verify(facadeService).stop();
        inOrder.verify(reconcileService, never()).stopAsync();
    }
    
    private InOrder getInOrder() {
        return Mockito.inOrder(facadeService, schedulerDriver,
                producerManager, statisticManager, cloudJobConfigurationListener,
                taskLaunchScheduledService, restfulService, reconcileService);
    }
    
    private void setReconcileEnabled(final boolean isEnabled) {
        FrameworkConfiguration frameworkConfiguration = mock(FrameworkConfiguration.class);
        when(frameworkConfiguration.isEnabledReconcile()).thenReturn(isEnabled);
        when(env.getFrameworkConfiguration()).thenReturn(frameworkConfiguration);
    }
}