How to compare two images/screenshot in Selenium?
In this video I have shown how to compare two screenshots(expected vs actual images) in selenium using Ashot() api.
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Code:
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;
import ru.yandex.qatools.ashot.AShot;
import ru.yandex.qatools.ashot.Screenshot;
import ru.yandex.qatools.ashot.comparison.ImageDiff;
import ru.yandex.qatools.ashot.comparison.ImageDiffer;
import ru.yandex.qatools.ashot.coordinates.WebDriverCoordsProvider;
import ru.yandex.qatools.ashot.shooting.ShootingStrategies;
public class compareScreenshot {
public static void main(String[] args) throws IOException {
// TODO Auto-generated method stub
System.setProperty("webdriver.chrome.driver", "Path of chromedriver exe\\chromedriver.exe");
ChromeOptions op = new ChromeOptions();
op.setBinary("Path of Chrome exe\\chrome.exe");
op.addArguments("--remote-allow-origins=*");
WebDriver driver = new ChromeDriver(op);
driver.get("https://programmerworld.co/");
BufferedImage expectedImage = ImageIO.read(new File("Path of expected image\\ExpectedImage.jpg"));
WebElement actualImageLocation = driver.findElement(By.xpath("//img[@class='custom-logo']"));
Screenshot scrShot = new AShot().shootingStrategy(ShootingStrategies.viewportPasting(500)).coordsProvider(new WebDriverCoordsProvider()).takeScreenshot(driver, actualImageLocation);
ImageIO.write(scrShot.getImage(), "jpg", new File("Path of actual image to be saved\\ActualImage.jpg"));
BufferedImage actualImage = ImageIO.read(new File("Path of actual image\\ActualImage.jpg"));
ImageDiffer imgdiff =new ImageDiffer();
ImageDiff diff = imgdiff.makeDiff(expectedImage, actualImage);
if(diff.hasDiff()) {
System.out.print("******Images are not same");
}
else
{
System.out.print("====Images are same");
}
}
}
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