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.verify;
  import static org.mockito.Mockito.when;
  
  import java.lang.reflect.Method;
  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;
  
  @Tag("UnitTests")
  class IntegrationTest {
  
    static class CountCalls extends WebDriverDecorator<WebDriver> {
  
      int counterBefore = 0;
      int counterAfter = 0;
      int counterCall = 0;
  
      @Override
      public void beforeCall(Decorated<?> target, Method method, Object[] args) {
        counterBefore++;
      }
  
      @Override
      public void afterCall(Decorated<?> target, Method method, Object[] args, Object result) {
        counterAfter++;
      }
  
      @Override
      public Object call(Decorated<?> target, Method method, Object[] args) throws Throwable {
        counterCall++;
        return super.call(target, method, args);
      }
    }
  
    @Test
    void canDecorateWebDriverMethods() {
      CountCalls decorator = new CountCalls();
      WebDriver originalDriver = mock(WebDriver.class);
      WebDriver decoratedDriver = decorator.decorate(originalDriver);
      decoratedDriver.get("http://test.com/");
      verify(originalDriver).get("http://test.com/");
      assertThat(decorator.counterBefore).isEqualTo(1);
      assertThat(decorator.counterAfter).isEqualTo(1);
    }
  
    @Test
    void canDecorateWebElementMethods() {
      CountCalls decorator = new CountCalls();
      WebDriver originalDriver = mock(WebDriver.class);
      WebElement element = mock(WebElement.class);
      when(originalDriver.findElement(any())).thenReturn(element);
  
      WebDriver decoratedDriver = decorator.decorate(originalDriver);
  
      WebElement found = decoratedDriver.findElement(By.id("test-id"));
      found.click();
  
      assertThat(decorator.counterBefore).isEqualTo(2);
      assertThat(decorator.counterAfter).isEqualTo(2);
    }
  }
  