WebDriver高级应用实例（10）

package cn.html5;

import org.testng.annotations.Test;
import org.testng.annotations.BeforeMethod;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.OutputType;
import org.openqa.selenium.TakesScreenshot;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;
import org.testng.Assert;
import org.testng.annotations.AfterMethod;

public class TestHtml5VideoPlayer {
    WebDriver driver;
    String url = "http://www.w3school.com.cn/tiy/t.asp?f=html5_video_all";
  @Test
  public void testVideoPlayer() throws InterruptedException, IOException {
      //定义页面截图对象
      File captureScreenFile = null;
      //打印页面源码
      System.out.println(driver.getPageSource());
     //进入视频所在的frame
      driver.switchTo().frame("i");
      //获取页面video对象
      WebElement videoPlayer = driver.findElement(By.tagName("video"));
      //声明javascriptExecutor对象
      JavascriptExecutor javascriptExecutor = (JavascriptExecutor)driver;
      //获取视频文件的网络地址
      String videoSrc = (String) javascriptExecutor.executeScript("return arguments[0].currentSrc;",videoPlayer);
      //输出视频存储地址
      System.out.println(videoSrc);
      //断言判断视频存储地址是否正确
      Assert.assertEquals("http://www.w3school.com.cn/i/movie.ogg",videoSrc);
      //duration获取视频的时长
      Double videoDuration = (Double)javascriptExecutor.executeScript("return arguments[0].duration;", videoPlayer);
      //输出视频时长
      System.out.println(videoDuration.intValue());
      //等待5秒
      Thread.sleep(5000);
      //执行javascript，通过内部的函数play（）来播放影片
      javascriptExecutor.executeScript("return arguments[0].play();", videoPlayer);
      Thread.sleep(2000);
      //执行javascript语句，通过内部的函数pause（）来暂停影片
      javascriptExecutor.executeScript("return arguments[0].pause();", videoPlayer);
      Thread.sleep(3000);
      //对暂停的视频进行截图
      captureScreenFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
      //将截图的图片命名并保存在E盘上
      FileUtils.copyFile(captureScreenFile, new File("e:\\videoPaly_pause.jpg"));
  }
  @BeforeMethod
  public void beforeMethod() {
      System.setProperty("webdriver.chrome.driver", "D:\\WebDriver\\chromedriver_win32\\chromedriver.exe");
      driver = new ChromeDriver();
      driver.manage().window().maximize();
      driver.get(url);
  }

  @AfterMethod
  public void afterMethod() {
      driver.quit();
  }

}