Selenium WebDriver Example Working with Javascript popups

JavaScriptPopups.java

package com.pragmatic.selenium.examples;

import io.github.bonigarcia.wdm.WebDriverManager;
import org.openqa.selenium.Alert;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.testng.Assert;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;

/**
 * <b>Selenium WebDriver Examples</b>
 *<br>
 * Working with <i>JavaScript popups</i>
 * <p>
 * This class demonstrate working with Javascript popup windows such as <i>Alert, Confirmation and Prompt</i>
 * </p>
 *
 * @see <a href="http://pragmatictestlabs.com/2018/02/12/working-javascript-popup-boxes-selenium-webdriver/">PTL Blog Post on WORKING WITH JAVASCRIPT POPUP BOXES IN SELENIUM WEBDRIVER</a>
 *
 *
 **/
public class JavaScriptPopups {


    private static final String BASE_URL = "http://demosite.pragmatictestlabs.com/Alerts.html";
    private WebDriver webDriver;

    /**
     * Download (if required) required web browser driver and configure automatically using WebDriverManager
     */
    @BeforeClass
    public void beforeClass() {
        WebDriverManager.chromedriver().setup();
    }


    /**
     * Create a browser instance and navigate to the BASE_URL
     */
    @BeforeMethod
    public void beforeMethod() {
        ChromeOptions options = new ChromeOptions();
        options.addArguments("disable-infobars");
        webDriver = new ChromeDriver(options);
        webDriver.manage().window().maximize();
        webDriver.navigate().to(BASE_URL);
    }


    /**
     * Closes the browser instance
     */
    @AfterMethod
    public void afterMethod() {
        waitFor(2);
        webDriver.close();
    }


    /**
     * Demonstrate working with a simple alert
     */
    @Test
    public void testAlert() {

        //Click on the Simple Alert button
        webDriver.findElement(By.xpath("//button[contains(text(),'Simple Alert')]")).click();

        //Switch to the alert. This is compulsory before working with any JavaScript popup
        Alert alert = webDriver.switchTo().alert();

        //Verify the message in the popup window
        Assert.assertEquals(alert.getText(), "This Is Simple Alert");

        //Clicking the button
        waitFor(2);
        alert.accept();

        //Verify the message in the web page
        Assert.assertEquals(webDriver.findElement(By.id("confirm-demo")).getText(), "Alert is gone.");
    }


    /**
     * Demonstrate working with a JavaScript confirmation
     */
    @Test
    public void testConfirmationClickingOKButton() {
        webDriver.findElement(By.xpath("//button[contains(text(),'Confirm Alert')]")).click();

        //Switch to the alert
        Alert alert = webDriver.switchTo().alert();

        //Verify the message in the popup window
        Assert.assertEquals(alert.getText(), "Press a button!");

        //Clicking the OK button
        waitFor(2);
        alert.accept();

        //Verify the message in the web page
        Assert.assertEquals(webDriver.findElement(By.id("confirm-demo")).getText(), "Confirmed.");
    }

    /**
     * Demonstrate working with a JavaScript confirmation, clicking Cancel button
     */
    @Test
    public void testConfirmationClickingCancelCancel() {

        //Click the Confirm Alert button
        webDriver.findElement(By.xpath("//button[contains(text(),'Confirm Alert')]")).click();

        //Switch to the alert
        Alert alert = webDriver.switchTo().alert();

        //Verify the message in the popup window
        Assert.assertEquals(alert.getText(), "Press a button!");

        //Clicking the NO/Cancel button
        waitFor(2);
        alert.dismiss();

        //Verify the message in the web page
        Assert.assertEquals(webDriver.findElement(By.id("confirm-demo")).getText(), "Rejected!");
    }

    /**
     * Demonstrate working with a JavaScript prompt, Input text into the input box and clicking OK
     */
    @Test
    public void testPromptInputText() {

        //Text to be typed into the input box
        String strInputText = "Selenium";

        webDriver.findElement(By.xpath("//button[contains(text(),'Prompt Alert')]")).click();
        //Verify the message in the popup window

        //Switch to the alert
        Alert alert = webDriver.switchTo().alert();

        alert.sendKeys(strInputText);

        //Clicking
        waitFor(3);
        alert.accept();

        //Verify the message in the web page
        Assert.assertEquals(webDriver.findElement(By.id("confirm-demo")).getText(), strInputText);
    }

    /**
     * Demonstrate use of Explicit wait. Waiting for an Alert to be present
     */

    @Test
    public void testTimingAlert() {
        webDriver.findElement(By.xpath("//button[contains(text(),'Timing Alert')]")).click();

        //Explicit wait configuration
        WebDriverWait wait = new WebDriverWait(webDriver, 30);

        //Wait till an alert is present
        wait.until(ExpectedConditions.alertIsPresent());

        //Switch to the alert
        Alert alert = webDriver.switchTo().alert();

        //Verify the message in the popup window
        Assert.assertEquals(alert.getText(), "This is Timing Alert");


        //Clicking the button
        waitFor(2);
        alert.accept();

        //Verify the message in the web page
        Assert.assertEquals(webDriver.findElement(By.id("confirm-demo")).getText(), "0");
    }


    private void waitFor(int seconds) {
        try {
            Thread.sleep(seconds*1000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

}