TestMetricsUtil.java example

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tajo-master
/**
 * 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.tajo.metrics;

import org.junit.Test;

import static org.junit.Assert.assertEquals;

public class TestMetricsUtil {

  @Test
  public void testGroupName() {
    assertEquals("MASTER", MetricsUtil.getGroupName(Master.class));
    assertEquals("MASTER", MetricsUtil.getGroupName(Master.Cluster.class));
    assertEquals("MASTER", MetricsUtil.getGroupName(Master.Cluster.ACTIVE_NODES));
  }

  @Test
  public void testGetContextName() {
    assertEquals("CLUSTER", MetricsUtil.getContextName(Master.Cluster.class));
  }

  @Test
  public void testGetCanonicalContextName() {
    assertEquals("MASTER.CLUSTER", MetricsUtil.getCanonicalContextName(Master.Cluster.class));
  }

  @Test
  public void testGetCanonicalName() {
    assertEquals("MASTER.CLUSTER.ACTIVE_NODES", MetricsUtil.getCanonicalName(Master.Cluster.ACTIVE_NODES));
  }

  @Test
  public void testGetSimpleName() {
    assertEquals("ACTIVE_NODES", MetricsUtil.getSimpleName(Master.Cluster.ACTIVE_NODES));
  }
}