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.devtools;
  
  import static java.nio.charset.StandardCharsets.UTF_8;
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Assumptions.assumeThat;
  import static org.openqa.selenium.remote.http.Contents.utf8String;
  import static org.openqa.selenium.testing.Safely.safelyCall;
  
  import com.google.common.net.MediaType;
  import org.junit.jupiter.api.AfterAll;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.Test;
  import org.openqa.selenium.By;
  import org.openqa.selenium.HasAuthentication;
  import org.openqa.selenium.UsernameAndPassword;
  import org.openqa.selenium.environment.webserver.NettyAppServer;
  import org.openqa.selenium.grid.security.BasicAuthenticationFilter;
  import org.openqa.selenium.remote.http.Contents;
  import org.openqa.selenium.remote.http.HttpResponse;
  import org.openqa.selenium.remote.http.Route;
  import org.openqa.selenium.testing.NotYetImplemented;
  import org.openqa.selenium.testing.drivers.Browser;
  
  class CdpFacadeTest extends DevToolsTestBase {
  
    private static NettyAppServer server;
  
    @BeforeAll
    public static void startServer() {
      server =
          new NettyAppServer(
              new BasicAuthenticationFilter("test", "test")
                  .andFinally(
                      req ->
                          new HttpResponse()
                              .addHeader("Content-Type", MediaType.HTML_UTF_8.toString())
                              .setContent(Contents.string("<h1>authorized</h1>", UTF_8))));
      server.start();
    }
  
    @AfterAll
    public static void stopServer() {
      safelyCall(() -> server.stop());
    }
  
    @Test
    @NotYetImplemented(value = Browser.FIREFOX, reason = "Network interception not yet supported")
    public void networkInterceptorAndAuthHandlersDoNotFight() {
      assumeThat(driver).isInstanceOf(HasAuthentication.class);
  
      // First of all register the auth details
      ((HasAuthentication) driver).register(UsernameAndPassword.of("test", "test"));
  
      // Verify things look okay
      driver.get(server.whereIs("/"));
      String message = driver.findElement(By.tagName("h1")).getText();
  
      assertThat(message).contains("authorized");
  
      // Now replace the content of the page using network interception
      try (NetworkInterceptor interceptor =
          new NetworkInterceptor(
              driver,
              Route.matching(req -> true)
                  .to(() -> req -> new HttpResponse().setContent(utf8String("I like cheese"))))) {
  
        driver.get(server.whereIs("/"));
        message = driver.findElement(By.tagName("body")).getText();
  
        assertThat(message).isEqualTo("I like cheese");
      }
  
      // And now verify that we've cleaned up the state
      driver.get(server.whereIs("/"));
      message = driver.findElement(By.tagName("h1")).getText();
  
      assertThat(message).contains("authorized");
    }
  
    @Test
    @NotYetImplemented(value = Browser.FIREFOX, reason = "Network interception not yet supported")
    public void canAuthenticate() {
      assumeThat(driver).isInstanceOf(HasAuthentication.class);
  
      ((HasAuthentication) driver).register(UsernameAndPassword.of("test", "test"));
  
      driver.get(server.whereIs("/"));
      String message = driver.findElement(By.tagName("h1")).getText();
  
      assertThat(message).contains("authorized");
    }
  }
  