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.metrics;
  
  import static org.apache.bifromq.metrics.TenantMeter.TAG_TENANT_ID;
  import static org.awaitility.Awaitility.await;
  import static org.testng.Assert.assertTrue;
  
  import io.micrometer.core.instrument.Metrics;
  import lombok.extern.slf4j.Slf4j;
  import org.testng.annotations.Test;
  
  @Slf4j
  public class TenantMeterTest {
      @Test
      public void get() throws InterruptedException {
          String tenantId = "testing_traffic";
          ITenantMeter meter = ITenantMeter.get(tenantId);
          meter.recordCount(TenantMetric.MqttConnectCount);
          assertTrue(Metrics.globalRegistry.getMeters().stream()
              .anyMatch(m -> tenantId.equals(m.getId().getTag(TAG_TENANT_ID))));
          meter = null;
          System.gc();
          TenantMeterCache.cleanUp();
          System.gc();
          Thread.sleep(100);
          await().until(() -> {
              Thread.sleep(100);
              return Metrics.globalRegistry.getMeters().stream()
                  .noneMatch(m -> tenantId.equals(m.getId().getTag(TAG_TENANT_ID)));
          });
          TenantMeterCache.cleanUp();
          log.info("get: success");
      }
  }
  