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.node.relay;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
  
  import java.io.StringReader;
  import java.time.Duration;
  import java.util.Collection;
  import java.util.Map;
  import org.junit.jupiter.api.Test;
  import org.openqa.selenium.Capabilities;
  import org.openqa.selenium.grid.config.Config;
  import org.openqa.selenium.grid.config.ConfigException;
  import org.openqa.selenium.grid.config.TomlConfig;
  import org.openqa.selenium.grid.node.SessionFactory;
  import org.openqa.selenium.grid.server.NetworkOptions;
  import org.openqa.selenium.remote.http.HttpClient;
  import org.openqa.selenium.remote.tracing.DefaultTestTracer;
  import org.openqa.selenium.remote.tracing.Tracer;
  
  @SuppressWarnings("DuplicatedCode")
  class RelayOptionsTest {
  
    @Test
    void basicConfigurationIsParsedSuccessfully() {
      String[] rawConfig =
          new String[] {
            "[relay]",
            "url = 'http://localhost:9999'",
            "configs = [\"2\", '{\"browserName\": \"chrome\"}']",
          };
      Config config = new TomlConfig(new StringReader(String.join("\n", rawConfig)));
      NetworkOptions networkOptions = new NetworkOptions(config);
      Tracer tracer = DefaultTestTracer.createTracer();
      HttpClient.Factory httpClientFactory = networkOptions.getHttpClientFactory(tracer);
      RelayOptions relayOptions = new RelayOptions(config);
      Map<Capabilities, Collection<SessionFactory>> sessionFactories =
          relayOptions.getSessionFactories(tracer, httpClientFactory, Duration.ofSeconds(300));
  
      Capabilities chrome =
          sessionFactories.keySet().stream()
              .filter(capabilities -> "chrome".equals(capabilities.getBrowserName()))
              .findFirst()
              .orElseThrow(() -> new AssertionError("No value returned"));
  
      assertThat(sessionFactories.get(chrome).size()).isEqualTo(2);
      assertThat(relayOptions.getServiceUri().toString()).isEqualTo("http://localhost:9999");
    }
  
    @Test
    void hostAndPortAreParsedSuccessfully() {
      String[] rawConfig =
          new String[] {
            "[relay]",
            "host = '127.0.0.1'",
            "port = '9999'",
            "configs = [\"5\", '{\"browserName\": \"firefox\"}']",
          };
      Config config = new TomlConfig(new StringReader(String.join("\n", rawConfig)));
      RelayOptions relayOptions = new RelayOptions(config);
      assertThat(relayOptions.getServiceUri().toString()).isEqualTo("http://127.0.0.1:9999");
    }
  
    @Test
    void statusUrlIsParsedSuccessfully() {
      String[] rawConfig =
          new String[] {
            "[relay]",
            "host = '127.0.0.1'",
            "port = '8888'",
            "status-endpoint = '/statusEndpoint'",
            "configs = [\"5\", '{\"browserName\": \"firefox\"}']",
          };
      Config config = new TomlConfig(new StringReader(String.join("\n", rawConfig)));
      RelayOptions relayOptions = new RelayOptions(config);
      assertThat(relayOptions.getServiceUri().toString()).isEqualTo("http://127.0.0.1:8888");
      assertThat(relayOptions.getServiceStatusUri().toString())
          .isEqualTo("http://127.0.0.1:8888/statusEndpoint");
    }
  
    @Test
    void missingConfigsThrowsConfigException() {
      String[] rawConfig =
          new String[] {
            "[relay]", "host = '127.0.0.1'", "port = '9999'",
          };
      Config config = new TomlConfig(new StringReader(String.join("\n", rawConfig)));
      NetworkOptions networkOptions = new NetworkOptions(config);
      Tracer tracer = DefaultTestTracer.createTracer();
      HttpClient.Factory httpClientFactory = networkOptions.getHttpClientFactory(tracer);
      assertThatExceptionOfType(ConfigException.class)
          .isThrownBy(
              () ->
                  new RelayOptions(config)
                      .getSessionFactories(tracer, httpClientFactory, Duration.ofSeconds(300)));
    }
  
    @Test
    void incompleteConfigsThrowsConfigException() {
      String[] rawConfig =
          new String[] {
            "[relay]",
            "host = '127.0.0.1'",
            "port = '9999'",
            "configs = ['{\"browserName\": \"firefox\"}']",
          };
      Config config = new TomlConfig(new StringReader(String.join("\n", rawConfig)));
      NetworkOptions networkOptions = new NetworkOptions(config);
      Tracer tracer = DefaultTestTracer.createTracer();
      HttpClient.Factory httpClientFactory = networkOptions.getHttpClientFactory(tracer);
      assertThatExceptionOfType(ConfigException.class)
          .isThrownBy(
              () ->
                  new RelayOptions(config)
                      .getSessionFactories(tracer, httpClientFactory, Duration.ofSeconds(300)));
    }
  }
  