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.support.decorators;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  import static org.openqa.selenium.json.Json.MAP_TYPE;
  
  import java.util.Map;
  import java.util.UUID;
  import org.junit.jupiter.api.Tag;
  import org.junit.jupiter.api.Test;
  import org.openqa.selenium.By;
  import org.openqa.selenium.WebDriver;
  import org.openqa.selenium.WebElement;
  import org.openqa.selenium.WrapsDriver;
  import org.openqa.selenium.WrapsElement;
  import org.openqa.selenium.json.Json;
  import org.openqa.selenium.remote.Dialect;
  import org.openqa.selenium.remote.RemoteWebDriver;
  import org.openqa.selenium.remote.RemoteWebElement;
  import org.openqa.selenium.remote.SessionId;
  
  @Tag("UnitTests")
  class DecoratedRemoteWebDriverTest {
  
    @Test
    void shouldImplementWrapsDriverToProvideAccessToUnderlyingDriver() {
      SessionId sessionId = new SessionId(UUID.randomUUID());
      RemoteWebDriver originalDriver = mock(RemoteWebDriver.class);
      when(originalDriver.getSessionId()).thenReturn(sessionId);
  
      RemoteWebDriver decoratedDriver =
          new WebDriverDecorator<>(RemoteWebDriver.class).decorate(originalDriver);
  
      assertThat(decoratedDriver.getSessionId()).isEqualTo(sessionId);
  
      RemoteWebDriver underlying =
          (RemoteWebDriver) ((WrapsDriver) decoratedDriver).getWrappedDriver();
      assertThat(underlying.getSessionId()).isEqualTo(sessionId);
    }
  
    @Test
    void cannotConvertDecoratedToRemoteWebDriver() {
      RemoteWebDriver originalDriver = mock(RemoteWebDriver.class);
  
      WebDriver decorated = new WebDriverDecorator<>().decorate(originalDriver);
  
      assertThat(decorated).isNotInstanceOf(RemoteWebDriver.class);
    }
  
    @Test
    void decoratedDriversShouldImplementWrapsDriver() {
      RemoteWebDriver originalDriver = mock(RemoteWebDriver.class);
  
      WebDriver decorated = new WebDriverDecorator<>().decorate(originalDriver);
  
      assertThat(decorated).isInstanceOf(WrapsDriver.class);
    }
  
    @Test
    void decoratedElementsShouldImplementWrapsElement() {
      RemoteWebDriver originalDriver = mock(RemoteWebDriver.class);
      RemoteWebElement originalElement = new RemoteWebElement();
      String elementId = UUID.randomUUID().toString();
      originalElement.setParent(originalDriver);
      originalElement.setId(elementId);
  
      when(originalDriver.findElement(any())).thenReturn(originalElement);
  
      WebDriver decoratedDriver = new WebDriverDecorator<>().decorate(originalDriver);
      WebElement element = decoratedDriver.findElement(By.id("test"));
  
      assertThat(element).isInstanceOf(WrapsElement.class);
    }
  
    @Test
    void canConvertDecoratedRemoteWebElementToJson() {
      RemoteWebDriver originalDriver = mock(RemoteWebDriver.class);
      RemoteWebElement originalElement = new RemoteWebElement();
      String elementId = UUID.randomUUID().toString();
      originalElement.setParent(originalDriver);
      originalElement.setId(elementId);
  
      when(originalDriver.findElement(any())).thenReturn(originalElement);
  
      WebDriver decoratedDriver = new WebDriverDecorator<>().decorate(originalDriver);
  
      WebElement element = decoratedDriver.findElement(By.id("test"));
  
      Json json = new Json();
      String raw = json.toJson(element);
      Map<String, String> result = json.toType(raw, MAP_TYPE);
  
      assertThat(result.get(Dialect.W3C.getEncodedElementKey())).isEqualTo(elementId);
    }
  }
  