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.connect.file;
  
  import org.apache.kafka.common.config.ConfigValue;
  import org.apache.kafka.connect.connector.ConnectorContext;
  import org.apache.kafka.connect.sink.SinkConnector;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.mockito.Mockito.mock;
  
  public class FileStreamSinkConnectorTest {
  
      private static final String MULTIPLE_TOPICS = "test1,test2";
      private static final String FILENAME = "/afilename";
  
      private FileStreamSinkConnector connector;
      private Map<String, String> sinkProperties;
  
      @BeforeEach
      public void setup() {
          connector = new FileStreamSinkConnector();
          ConnectorContext ctx = mock(ConnectorContext.class);
          connector.initialize(ctx);
  
          sinkProperties = new HashMap<>();
          sinkProperties.put(SinkConnector.TOPICS_CONFIG, MULTIPLE_TOPICS);
          sinkProperties.put(FileStreamSinkConnector.FILE_CONFIG, FILENAME);
      }
  
      @Test
      public void testConnectorConfigValidation() {
          List<ConfigValue> configValues = connector.config().validate(sinkProperties);
          for (ConfigValue val : configValues) {
              assertEquals(0, val.errorMessages().size(), "Config property errors: " + val.errorMessages());
          }
      }
  
      @Test
      public void testSinkTasks() {
          connector.start(sinkProperties);
          List<Map<String, String>> taskConfigs = connector.taskConfigs(1);
          assertEquals(1, taskConfigs.size());
          assertEquals(FILENAME, taskConfigs.get(0).get(FileStreamSinkConnector.FILE_CONFIG));
  
          taskConfigs = connector.taskConfigs(2);
          assertEquals(2, taskConfigs.size());
          for (int i = 0; i < 2; i++) {
              assertEquals(FILENAME, taskConfigs.get(0).get(FileStreamSinkConnector.FILE_CONFIG));
          }
      }
  
      @Test
      public void testSinkTasksStdout() {
          sinkProperties.remove(FileStreamSinkConnector.FILE_CONFIG);
          connector.start(sinkProperties);
          List<Map<String, String>> taskConfigs = connector.taskConfigs(1);
          assertEquals(1, taskConfigs.size());
          assertNull(taskConfigs.get(0).get(FileStreamSinkConnector.FILE_CONFIG));
      }
  
      @Test
      public void testTaskClass() {
          connector.start(sinkProperties);
          assertEquals(FileStreamSinkTask.class, connector.taskClass());
      }
  
      @Test
      public void testConnectorConfigsPropagateToTaskConfigs() {
          // This is required so that updates in transforms/converters/clients configs get reflected
          // in tasks without manual restarts of the tasks (see https://issues.apache.org/jira/browse/KAFKA-13809)
          sinkProperties.put("transforms", "insert");
          connector.start(sinkProperties);
          List<Map<String, String>> taskConfigs = connector.taskConfigs(1);
          assertEquals(1, taskConfigs.size());
          assertEquals("insert", taskConfigs.get(0).get("transforms"));
      }
  }
  