Thực hiện chụp và so sánh ảnh trong selenium

[NTHang]

Hi all Em có tìm hiểu để chụp màn hình và so sánh ảnh chụp lần 1 với lần sau có giống nhau ko với selenium nhưng chưa hiểu rõ lắm. Mong anh chị giải thích giúp.

package testdemo;

import java.io.File;

import org.apache.commons.io.FileUtils;

import org.openqa.selenium.OutputType;

import org.openqa.selenium.TakesScreenshot;

import org.openqa.selenium.WebDriver;

import org.openqa.selenium.firefox.FirefoxDriver; //import org.testng.annotations.AfterClass; import org.testng.annotations.Test;

public class Test {

@Test

public void testTakeScreenShot() throws Exception{

    WebDriver driver ;
    //System.setProperty("webdriver.firefox.marionette","C:\\geckodriver.exe");
    driver = new FirefoxDriver();

    //goto url

    driver.get("http://store.demoqa.com/products-page/your-account/");

    //Call take screenshot function

    TestNG.takeSnapShot(driver, "./anh/test.png") ;  
    driver.close();

}

/**

 * This function will take screenshot

 * @param webdriver

 * @param fileWithPath

 * @throws Exception

 */

public static void takeSnapShot(WebDriver webdriver,String fileWithPath) throws Exception{

    //Convert web driver object to TakeScreenshot

    TakesScreenshot scrShot =((TakesScreenshot)webdriver);

    //Call getScreenshotAs method to create image file

            File SrcFile=scrShot.getScreenshotAs(OutputType.FILE);

        //Move image file to new destination

            File DestFile=new File(fileWithPath);

            //Copy file at destination

            FileUtils.copyFile(SrcFile, DestFile);

}

}