content: /**
   * Copyright The Apache Software Foundation
   *
   * 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 com.alibaba.wasp.fserver.metrics;
  
  import com.alibaba.wasp.fserver.MetricsFServerSourceImpl;
  import org.junit.Test;
  
  import static org.junit.Assert.assertNotNull;
  
  public class TestMetricsFServer {
  
    public MetricsAssertHelper HELPER = new MetricsAssertHelperImpl();
  
    @Test
    public void testWrapperSource() {
      MetricsFServer mfs = constructNewMetricsFServer();
      MetricsFServerSource serverSource = mfs.getMetricsSource();
      HELPER.assertTag("serverName", "test", serverSource);
      HELPER.assertTag("clusterId", "tClusterId", serverSource);
      HELPER.assertTag("zookeeperQuorum", "zk", serverSource);
      HELPER.assertGauge("fserverStartTime", 100, serverSource);
      HELPER.assertGauge("entityGroupCount", 101, serverSource);
      HELPER.assertCounter("readRequestCount", 201, serverSource);
      HELPER.assertCounter("writeRequestCount", 202, serverSource);
    }
  
    @Test
    public void testConstuctor() {
      MetricsFServer mfs = constructNewMetricsFServer();
      assertNotNull("There should be a hadoop1/hadoop2 metrics source",
          mfs.getMetricsSource());
      assertNotNull("The FServerMetricsWrapper should be accessable",
          mfs.getFServerWrapper());
    }
  
    @Test
    public void testSlowCount() {
      MetricsFServer mfs = constructNewMetricsFServer();
      MetricsFServerSource serverSource = mfs.getMetricsSource();
      for (int i = 0; i < 16; i++) {
        mfs.updateInsert(16);
        mfs.updateInsert(1006);
      }
      HELPER.assertCounter("insertNumOps", 32, serverSource);
      HELPER.assertCounter("slowInsertCount", 16, serverSource);
    }
    
    private MetricsFServer constructNewMetricsFServer() {
      MetricsFServerWrapper mfsWrapper = new MetricsFServerWrapperStub();
      MetricsFServer mfs = new MetricsFServer(mfsWrapper,new MetricsFServerSourceImpl(mfsWrapper));
      return mfs;
    }
  }
  