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.transforms.field;
  
  import org.apache.kafka.common.config.AbstractConfig;
  import org.apache.kafka.common.config.ConfigDef;
  import org.apache.kafka.common.config.ConfigException;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.CsvSource;
  import org.junit.jupiter.params.provider.ValueSource;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  public class FieldSyntaxVersionTest {
      @Test
      void shouldAppendConfigToDef() {
          ConfigDef def = FieldSyntaxVersion.appendConfigTo(new ConfigDef());
          assertEquals(def.configKeys().size(), 1);
          final ConfigDef.ConfigKey configKey = def.configKeys().get("field.syntax.version");
          assertEquals(configKey.name, "field.syntax.version");
          assertEquals(configKey.defaultValue, "V1");
      }
  
      @Test
      void shouldFailWhenAppendConfigToDefAgain() {
          ConfigDef def = FieldSyntaxVersion.appendConfigTo(new ConfigDef());
          assertEquals(def.configKeys().size(), 1);
          ConfigException e = assertThrows(ConfigException.class, () -> FieldSyntaxVersion.appendConfigTo(def));
          assertEquals(e.getMessage(), "Configuration field.syntax.version is defined twice.");
      }
  
      @ParameterizedTest
      @CsvSource({"v1,V1", "v2,V2", "V1,V1", "V2,V2"})
      void shouldGetVersionFromConfig(String input, FieldSyntaxVersion version) {
          Map<String, String> configs = new HashMap<>();
          configs.put("field.syntax.version", input);
          AbstractConfig config = new AbstractConfig(FieldSyntaxVersion.appendConfigTo(new ConfigDef()), configs);
          assertEquals(version, FieldSyntaxVersion.fromConfig(config));
      }
  
      @ParameterizedTest
      @ValueSource(strings = {"v3", "V 1", "v", "V 2", "2", "1"})
      void shouldFailWhenWrongVersionIsPassed(String input) {
          Map<String, String> configs = new HashMap<>();
          configs.put("field.syntax.version", input);
          ConfigException e = assertThrows(ConfigException.class, () -> new AbstractConfig(FieldSyntaxVersion.appendConfigTo(new ConfigDef()), configs));
          assertEquals(
              "Invalid value " + input + " for configuration field.syntax.version: " +
                  "String must be one of (case insensitive): V1, V2",
              e.getMessage());
      }
  }
  