/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

package org.apache.ambari.server.orm.dao;

import com.google.inject.Provider;
import junit.framework.Assert;
import org.apache.ambari.server.orm.entities.HostComponentDesiredStateEntity;
import org.apache.ambari.server.orm.entities.HostEntity;
import org.junit.Test;

import javax.persistence.EntityManager;

import java.util.Collection;
import java.util.HashSet;

import static org.easymock.EasyMock.createNiceMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.verify;

/**
 * HostComponentDesiredStateDAO tests.
 */
public class HostComponentDesiredStateDAOTest {

  @Test
  public void testRemove() throws Exception {

    Provider<EntityManager> entityManagerProvider =  createNiceMock(Provider.class);
    EntityManager entityManager = createNiceMock(EntityManager.class);
    HostDAO hostDAO = createNiceMock(HostDAO.class);
    HostEntity hostEntity = createNiceMock(HostEntity.class);

    HostComponentDesiredStateEntity hostComponentDesiredStateEntity = createNiceMock(HostComponentDesiredStateEntity.class);

    expect(hostComponentDesiredStateEntity.getHostName()).andReturn("host1");
    expect(hostDAO.findByName("host1")).andReturn(hostEntity);
    expect(entityManagerProvider.get()).andReturn(entityManager).anyTimes();


    expect(entityManager.merge(hostComponentDesiredStateEntity)).andReturn(hostComponentDesiredStateEntity).anyTimes();
    entityManager.remove(hostComponentDesiredStateEntity);


    hostEntity.removeHostComponentDesiredStateEntity(hostComponentDesiredStateEntity);

    expect(hostDAO.merge(hostEntity)).andReturn(hostEntity).anyTimes();

    replay(entityManagerProvider, entityManager, hostDAO, hostEntity, hostComponentDesiredStateEntity);


    HostComponentDesiredStateDAO dao = new HostComponentDesiredStateDAO();
    dao.entityManagerProvider = entityManagerProvider;
    dao.hostDAO = hostDAO;

    dao.remove(hostComponentDesiredStateEntity);

    verify(entityManagerProvider, entityManager, hostDAO, hostEntity, hostComponentDesiredStateEntity);
  }
}
