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.bifromq.basekv.store;
  
  import static org.testng.Assert.assertTrue;
  
  import org.apache.bifromq.basekv.store.option.KVRangeStoreOptions;
  import com.google.common.util.concurrent.MoreExecutors;
  import io.reactivex.rxjava3.observers.TestObserver;
  import java.time.Duration;
  import java.util.Map;
  import org.testng.annotations.Test;
  
  public class KVRangeStoreStatsCollectorTest {
  
      @Test
      public void testScrap() {
          KVRangeStoreOptions options = new KVRangeStoreOptions();
          KVRangeStoreStatsCollector collector =
              new KVRangeStoreStatsCollector(options, Duration.ofSeconds(1), MoreExecutors.directExecutor());
          TestObserver<Map<String, Double>> statsObserver = TestObserver.create();
          collector.collect().subscribe(statsObserver);
          statsObserver.awaitCount(1);
          Map<String, Double> stats = statsObserver.values().get(0);
          assertTrue(stats.containsKey("cpu.usage"));
      }
  }
  