/**
 * 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.hadoop.hive.ql.exec.mr;

import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

import java.io.IOException;

import org.apache.hadoop.hive.common.metrics.common.Metrics;
import org.apache.hadoop.hive.common.metrics.common.MetricsConstant;
import org.apache.hadoop.hive.ql.exec.spark.SparkTask;
import org.junit.Test;
import org.mockito.Mockito;

public class TestMapRedTask {

  @Test
  public void mrTask_updates_Metrics() throws IOException {

    Metrics mockMetrics = Mockito.mock(Metrics.class);

    MapRedTask mapRedTask = new MapRedTask();
    mapRedTask.updateTaskMetrics(mockMetrics);

    verify(mockMetrics, times(1)).incrementCounter(MetricsConstant.HIVE_MR_TASKS);
    verify(mockMetrics, never()).incrementCounter(MetricsConstant.HIVE_TEZ_TASKS);
    verify(mockMetrics, never()).incrementCounter(MetricsConstant.HIVE_SPARK_TASKS);
  }

}