content: /*
   * 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.metrics.system.impl;
  
  import static org.easymock.EasyMock.createNiceMock;
  import static org.junit.Assert.assertEquals;
  
  import java.util.List;
  
  import org.apache.ambari.server.metrics.system.SingleMetric;
  import org.easymock.EasyMock;
  import org.junit.Test;
  import org.springframework.web.socket.config.WebSocketMessageBrokerStats;
  
  public class StompStatsMetricsSourceTest {
      @Test
      public void testStatsMetrics() {
          String webStat = "[1 current WS(2)-HttpStream(3)-HttpPoll(4), 5 total, 6 closed abnormally (7 connect failure, 8 send limit, 9 transport error)]";
          String poolStat = "[pool size = 10, active threads = 20, queued tasks = 30, completed tasks = 40";
          String stompSubProtocolStat = "[1 connect, 2 connected, 3 disconnect]";
          Double[] webStatArray = { 1D, 2D, 3D, 4D, 5D, 6D, 7D, 8D, 9D };
          Double[] poolStatArray = { 10D, 20D, 30D, 40D };
          Double[] stompSubProtocolStatArray = { 1D, 2D, 3D };
  
          WebSocketMessageBrokerStats apiStompStatsMock = createNiceMock(WebSocketMessageBrokerStats.class);
          WebSocketMessageBrokerStats agentStompStatsMock = createNiceMock(WebSocketMessageBrokerStats.class);
  
          StompStatsMetricsSource stompStatsMetricsSource = new StompStatsMetricsSource();
  
          stompStatsMetricsSource.setApiStompStats(apiStompStatsMock);
          stompStatsMetricsSource.setAgentStompStats(agentStompStatsMock);
  
          EasyMock.expect(apiStompStatsMock.getWebSocketSessionStatsInfo()).andReturn(webStat).anyTimes();
          EasyMock.expect(apiStompStatsMock.getStompSubProtocolStatsInfo()).andReturn(stompSubProtocolStat).anyTimes();
          EasyMock.expect(apiStompStatsMock.getClientInboundExecutorStatsInfo()).andReturn(poolStat).anyTimes();
          EasyMock.expect(apiStompStatsMock.getClientOutboundExecutorStatsInfo()).andReturn(poolStat).anyTimes();
          EasyMock.expect(apiStompStatsMock.getSockJsTaskSchedulerStatsInfo()).andReturn(poolStat).anyTimes();
  
          EasyMock.expect(agentStompStatsMock.getWebSocketSessionStatsInfo()).andReturn(webStat).anyTimes();
          EasyMock.expect(agentStompStatsMock.getStompSubProtocolStatsInfo()).andReturn(stompSubProtocolStat).anyTimes();
          EasyMock.expect(agentStompStatsMock.getClientInboundExecutorStatsInfo()).andReturn(poolStat).anyTimes();
          EasyMock.expect(agentStompStatsMock.getClientOutboundExecutorStatsInfo()).andReturn(poolStat).anyTimes();
          EasyMock.expect(agentStompStatsMock.getSockJsTaskSchedulerStatsInfo()).andReturn(poolStat).anyTimes();
  
          EasyMock.replay(apiStompStatsMock);
          EasyMock.replay(agentStompStatsMock);
  
          List<SingleMetric> metricList = stompStatsMetricsSource.getStompStatMetrics();
  
          for (int i = 0; i < StompStatsMetricsSource.webSocketMetrics.length; i++) {
              assertEquals(webStatArray[i], getMetricValues(metricList, StompStatsMetricsSource.metricsTypes[0]
                      + ".websocket." + StompStatsMetricsSource.webSocketMetrics[i]), 0.00);
              assertEquals(webStatArray[i], getMetricValues(metricList, StompStatsMetricsSource.metricsTypes[1]
                      + ".websocket." + StompStatsMetricsSource.webSocketMetrics[i]), 0.00);
          }
  
          for (int i = 0; i < StompStatsMetricsSource.stompSubProtocolMetrics.length; i++) {
              assertEquals(stompSubProtocolStatArray[i],
                      getMetricValues(metricList, StompStatsMetricsSource.metricsTypes[0] + ".stomp_sub_protocol."
                              + StompStatsMetricsSource.stompSubProtocolMetrics[i]),
                      0.00);
              assertEquals(stompSubProtocolStatArray[i],
                      getMetricValues(metricList, StompStatsMetricsSource.metricsTypes[1] + ".stomp_sub_protocol."
                              + StompStatsMetricsSource.stompSubProtocolMetrics[i]),
                      0.00);
          }
          for (int i = 0; i < StompStatsMetricsSource.poolMetrics.length; i++) {
              assertEquals(poolStatArray[i], getMetricValues(metricList, StompStatsMetricsSource.metricsTypes[0]
                      + ".inbound_channel." + StompStatsMetricsSource.poolMetrics[i]), 0.00);
              assertEquals(poolStatArray[i], getMetricValues(metricList, StompStatsMetricsSource.metricsTypes[1]
                      + ".inbound_channel." + StompStatsMetricsSource.poolMetrics[i]), 0.00);
          }
          for (int i = 0; i < StompStatsMetricsSource.poolMetrics.length; i++) {
              assertEquals(poolStatArray[i], getMetricValues(metricList, StompStatsMetricsSource.metricsTypes[0]
                      + ".outbound_channel." + StompStatsMetricsSource.poolMetrics[i]), 0.00);
              assertEquals(poolStatArray[i], getMetricValues(metricList, StompStatsMetricsSource.metricsTypes[1]
                      + ".outbound_channel." + StompStatsMetricsSource.poolMetrics[i]), 0.00);
          }
  
          for (int i = 0; i < StompStatsMetricsSource.poolMetrics.length; i++) {
              assertEquals(poolStatArray[i], getMetricValues(metricList, StompStatsMetricsSource.metricsTypes[0]
                      + ".sockJsScheduler." + StompStatsMetricsSource.poolMetrics[i]), 0.00);
              assertEquals(poolStatArray[i], getMetricValues(metricList, StompStatsMetricsSource.metricsTypes[1]
                      + ".sockJsScheduler." + StompStatsMetricsSource.poolMetrics[i]), 0.00);
          }
      }
  
      private double getMetricValues(List<SingleMetric> metricList, String metricName) {
          for (SingleMetric metric : metricList) {
              if (metric.getMetricName().equals(metricName)) {
                  return metric.getValue();
              }
          }
          throw new RuntimeException("Metric " + metricName + " not found");
      }
  }