code: /*
   * 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.skywalking.oap.server.analyzer.agent.kafka.provider.handler;
  
  import org.apache.skywalking.oap.log.analyzer.module.LogAnalyzerModule;
  import org.apache.skywalking.oap.log.analyzer.provider.log.ILogAnalyzerService;
  import org.apache.skywalking.oap.server.analyzer.agent.kafka.module.KafkaFetcherConfig;
  import org.apache.skywalking.oap.server.library.module.ModuleManager;
  import org.apache.skywalking.oap.server.telemetry.TelemetryModule;
  import org.apache.skywalking.oap.server.telemetry.api.MetricsCreator;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  public class LogHandlerTest {
      private static final String TOPIC_NAME = "skywalking-logs";
      private LogHandler handler = null;
      private KafkaFetcherConfig config = new KafkaFetcherConfig();
  
      private ModuleManager manager;
  
      @BeforeEach
      public void setup() {
          final ModuleManager manager = mock(ModuleManager.class, RETURNS_DEEP_STUBS);
          when(manager.find(LogAnalyzerModule.NAME).provider().getService(any()))
              .thenReturn(mock(ILogAnalyzerService.class));
          when(manager.find(TelemetryModule.NAME).provider().getService(any()))
              .thenReturn(mock(MetricsCreator.class));
          handler = new LogHandler(manager, config);
      }
  
      @Test
      public void testGetTopic() {
          assertEquals(handler.getTopic(), TOPIC_NAME);
  
          String namespace = "product";
          config.setNamespace(namespace);
          assertEquals(namespace + "-" + TOPIC_NAME, handler.getTopic());
      }
  }
  