ambari-server/src/test/java/org/apache/ambari/server/metric/system/impl/MetricsServiceTest.java

/*
 * 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
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package org.apache.ambari.server.metric.system.impl;

import org.apache.ambari.server.metrics.system.MetricsSource;
import org.apache.ambari.server.metrics.system.impl.JvmMetricsSource;
import org.apache.ambari.server.metrics.system.impl.MetricsServiceImpl;
import org.junit.Test;

import junit.framework.Assert;

public class MetricsServiceTest {

  @Test
  public void testMetricsServiceStart() {
    MetricsServiceImpl metricsService = new MetricsServiceImpl();
    metricsService.start();

    MetricsSource source = MetricsServiceImpl.getSource("jvm");
    Assert.assertNotNull(source);
    Assert.assertTrue(source instanceof JvmMetricsSource);

    source = MetricsServiceImpl.getSource("testsource");
    Assert.assertNotNull(source);
    Assert.assertTrue(source instanceof TestMetricsSource);
  }

}