/**
 * 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.metadata;

import java.util.List;

import javax.persistence.EntityManager;

import org.apache.ambari.server.H2DatabaseCleaner;
import org.apache.ambari.server.controller.RootServiceResponseFactory.Components;
import org.apache.ambari.server.orm.GuiceJpaInitializer;
import org.apache.ambari.server.orm.InMemoryDefaultTestModule;
import org.apache.ambari.server.state.alert.AlertDefinition;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import com.google.inject.Guice;
import com.google.inject.Injector;

import junit.framework.Assert;

/**
 * Tets {@link AmbariServiceAlertDefinitions}.
 */
public class AgentAlertDefinitionsTest {

  private Injector m_injector;

  @Before
  public void before() {
    m_injector = Guice.createInjector(new InMemoryDefaultTestModule());
    m_injector.getInstance(GuiceJpaInitializer.class);
  }

  @After
  public void tearDown() throws Exception {
    H2DatabaseCleaner.clearDatabase(m_injector.getProvider(EntityManager.class).get());
  }

  /**
   * Tests loading the agent alerts.
   */
  @Test
  public void testLoadingAgentHostAlerts() {
    AmbariServiceAlertDefinitions ambariServiceAlertDefinitions = m_injector.getInstance(AmbariServiceAlertDefinitions.class);
    List<AlertDefinition> definitions = ambariServiceAlertDefinitions.getAgentDefinitions();
    Assert.assertEquals(3, definitions.size());

    for( AlertDefinition definition : definitions){
      Assert.assertEquals(Components.AMBARI_AGENT.name(),
          definition.getComponentName());

      Assert.assertEquals("AMBARI", definition.getServiceName());
    }
  }

  /**
   * Tests loading the agent alerts.
   */
  @Test
  public void testLoadingServertAlerts() {
    AmbariServiceAlertDefinitions ambariServiceAlertDefinitions = m_injector.getInstance(AmbariServiceAlertDefinitions.class);
    List<AlertDefinition> definitions = ambariServiceAlertDefinitions.getServerDefinitions();
    Assert.assertEquals(4, definitions.size());

    for (AlertDefinition definition : definitions) {
      Assert.assertEquals(Components.AMBARI_SERVER.name(),
          definition.getComponentName());

      Assert.assertEquals("AMBARI", definition.getServiceName());
    }
  }
}