code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC 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.openqa.selenium.grid.config;
  
  import static org.assertj.core.api.Assertions.assertThat;
  
  import java.io.StringReader;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  import java.util.Optional;
  import org.junit.jupiter.api.Test;
  
  class TomlConfigTest {
  
    @Test
    void shouldUseATableAsASection() {
      String raw = "[cheeses]\nselected=brie";
      Config config = new TomlConfig(new StringReader(raw));
  
      assertThat(config.get("cheeses", "selected")).isEqualTo(Optional.of("brie"));
    }
  
    @Test
    void shouldContainConfigFromArrayOfTables() {
      String[] rawConfig =
          new String[] {
            "[cheeses]",
            "default = manchego",
            "[[cheeses.type]]",
            "name = \"soft cheese\"",
            "default = \"brie\"",
            "[[cheeses.type]]",
            "name = \"Medium-hard cheese\"",
            "default = \"Emmental\""
          };
      Config config = new TomlConfig(new StringReader(String.join("\n", rawConfig)));
  
      assertThat(config.get("cheeses", "default")).isEqualTo(Optional.of("manchego"));
  
      List<String> expected =
          Arrays.asList(
              "default=\"brie\"", "name=\"soft cheese\"",
              "default=\"Emmental\"", "name=\"Medium-hard cheese\"");
      assertThat(config.getAll("cheeses", "type").orElse(Collections.emptyList()))
          .isEqualTo(expected);
      assertThat(config.getAll("cheeses", "type").orElse(Collections.emptyList()).subList(0, 2))
          .isEqualTo(expected.subList(0, 2));
    }
  
    @Test
    void ensureCanReadListOfStrings() {
      String[] rawConfig =
        new String[] {
          "[relay]",
          "configs = [\"2\", '{\"browserName\": \"chrome\"}']"
      };
      Config config = new TomlConfig(new StringReader(String.join("\n", rawConfig)));
      List<String> expected = Arrays.asList(
        "2",
        "{\"browserName\": \"chrome\"}"
      );
      Optional<List<String>> content = config.getAll("relay", "configs");
      assertThat(content).isEqualTo(Optional.of(expected));
    }
  
    @Test
    void ensureCanReadListOfMaps() {
      String[] rawConfig =
        new String[] {
          "[node]",
          "detect-drivers = false",
          "[[node.driver-configuration]]",
          "display-name = \"htmlunit\"",
          "[node.driver-configuration.stereotype]",
          "browserName = \"htmlunit\"",
          "browserVersion = \"chrome\""
        };
      Config config = new TomlConfig(new StringReader(String.join("\n", rawConfig)));
      List<String> expected = Arrays.asList(
        "display-name=\"htmlunit\"",
        "stereotype={\"browserVersion\": \"chrome\",\"browserName\": \"htmlunit\"}"
      );
      Optional<List<String>> content = config.getAll("node", "driver-configuration");
      assertThat(content).isEqualTo(Optional.of(expected));
    }
  }
  