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.kafka.streams.state.internals.metrics;
  
  import org.apache.kafka.common.metrics.Sensor;
  import org.apache.kafka.common.metrics.Sensor.RecordingLevel;
  import org.apache.kafka.streams.processor.internals.metrics.StreamsMetricsImpl;
  
  import org.junit.jupiter.api.Test;
  import org.mockito.MockedStatic;
  
  import java.util.Map;
  
  import static org.apache.kafka.common.utils.Utils.mkEntry;
  import static org.apache.kafka.common.utils.Utils.mkMap;
  import static org.hamcrest.CoreMatchers.is;
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.mockStatic;
  import static org.mockito.Mockito.when;
  
  public class NamedCacheMetricsTest {
  
      private static final String THREAD_ID = "test-thread";
      private static final String TASK_ID = "test-task";
      private static final String STORE_NAME = "storeName";
      private static final String HIT_RATIO_AVG_DESCRIPTION = "The average cache hit ratio";
      private static final String HIT_RATIO_MIN_DESCRIPTION = "The minimum cache hit ratio";
      private static final String HIT_RATIO_MAX_DESCRIPTION = "The maximum cache hit ratio";
  
      private final StreamsMetricsImpl streamsMetrics = mock(StreamsMetricsImpl.class);
      private final Sensor expectedSensor = mock(Sensor.class);
      private final Map<String, String> tagMap = mkMap(mkEntry("key", "value"));
  
      @Test
      public void shouldGetHitRatioSensorWithBuiltInMetricsVersionCurrent() {
          final String hitRatio = "hit-ratio";
          when(streamsMetrics.cacheLevelSensor(THREAD_ID, TASK_ID, STORE_NAME, hitRatio, RecordingLevel.DEBUG)).thenReturn(expectedSensor);
          when(streamsMetrics.cacheLevelTagMap(THREAD_ID, TASK_ID, STORE_NAME)).thenReturn(tagMap);
  
          try (final MockedStatic<StreamsMetricsImpl> streamsMetricsStaticMock = mockStatic(StreamsMetricsImpl.class)) {
              final Sensor sensor = NamedCacheMetrics.hitRatioSensor(streamsMetrics, THREAD_ID, TASK_ID, STORE_NAME);
              streamsMetricsStaticMock.verify(
                  () -> StreamsMetricsImpl.addAvgAndMinAndMaxToSensor(
                      expectedSensor,
                      StreamsMetricsImpl.CACHE_LEVEL_GROUP,
                      tagMap,
                      hitRatio,
                      HIT_RATIO_AVG_DESCRIPTION,
                      HIT_RATIO_MIN_DESCRIPTION,
                      HIT_RATIO_MAX_DESCRIPTION
                  )
              );
              assertThat(sensor, is(expectedSensor));
          }
      }
  }
  