Event ticketing with Selenium

import org.testng.annotations.*;
import org.openqa.selenium.*;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;
import java.util.Map;
import org.openqa.selenium.support.ui.*;
import java.time.Duration;
import static org.openqa.selenium.support.ui.ExpectedConditions.*;

// Locators in this suite: By.id ×5 · By.name ×5 · By.xpath ×4 · By.cssSelector ×2 · data-testid ×10
public class EventHiveTicketsTest {
  static final String BASE = "https://www.practiceqaautomation.com";
  WebDriver driver;
  WebDriverWait wait;

  // Small helpers: every action takes a By and waits for its element first (no Thread.sleep).
  By tid(String id) { return By.cssSelector("[data-testid='" + id + "']"); }
  WebElement ready(By by) { return centre(wait.until(elementToBeClickable(by))); }
  void click(By by) { ready(by).click(); }
  WebElement nth(String id, int n) { return centre(wait.until(numberOfElementsToBeMoreThan(tid(id), n)).get(n)); }
  void clickNth(String id, int n) { nth(id, n).click(); }
  // Scroll to the middle of the screen first: Selenium only scrolls an element to the edge,
  // where a sticky header or a fixed bottom bar can cover it (ElementClickInterceptedException).
  WebElement centre(WebElement e) {
    ((JavascriptExecutor) driver).executeScript("arguments[0].scrollIntoView({block: 'center', inline: 'nearest'})", e);
    return e;
  }
  void type(By by, String text) { ready(by).sendKeys(text); }
  void select(By by, String value) { new Select(ready(by)).selectByValue(value); }
  void check(By by) { WebElement e = ready(by); if (!e.isSelected()) e.click(); }
  void expectText(By by, String text) { wait.until(textToBePresentInElementLocated(by, text)); }
  void expectVisible(By by) { wait.until(visibilityOfElementLocated(by)); }
  void expectNthText(String id, int n, String text) {
    wait.until(d -> d.findElements(tid(id)).size() > n && d.findElements(tid(id)).get(n).getText().contains(text));
  }

  @BeforeMethod
  public void setUp() {
    ChromeOptions options = new ChromeOptions();
    // Turn off Chrome's "Save password?" and "password found in a data breach" pop-ups: after a
    // login they take the keyboard and mouse away from the page, so later typing and clicks are lost.
    options.setExperimentalOption("prefs", Map.of(
        "credentials_enable_service", false,
        "profile.password_manager_enabled", false,
        "profile.password_manager_leak_detection", false));
    driver = new ChromeDriver(options);
    wait = new WebDriverWait(driver, Duration.ofSeconds(10));
  }

  @AfterMethod(alwaysRun = true)
  public void tearDown() { driver.quit(); }

  @Test
  public void buysTicketsForThreeAttendees() {
    driver.get(BASE + "/apps/events");
    click(By.xpath("//button[normalize-space()='tech']"));
    expectText(tid("event-count"), "2 events");
    click(tid("open-event-e1"));
    expectVisible(tid("tier-sold-out-early"));
    click(tid("tier-regular-inc"));
    click(tid("tier-regular-inc"));
    click(tid("tier-vip-inc"));
    expectText(tid("ticket-count"), "3");
    expectText(tid("ticket-subtotal"), "₹10,997");
    click(By.xpath("//button[normalize-space()='Continue']"));
    type(By.id("buyer-name"), "Amir Khan");
    type(By.name("buyer-email"), "amir@example.com");
    type(By.id("buyer-phone"), "9876543210");
    check(By.id("first-is-buyer"));
    type(By.name("attendee-1-name"), "Sara Khan");
    type(By.name("attendee-1-email"), "sara@example.com");
    type(By.id("attendee-2-name"), "Dev Patel");
    type(By.name("attendee-2-email"), "dev@example.com");
    type(By.cssSelector("[placeholder='Promo code']"), "EARLY10");
    click(By.xpath("//button[normalize-space()='Apply']"));
    expectText(tid("event-total"), "₹10,392");
    type(By.id("card-number"), "4242424242424242");
    type(By.cssSelector("[placeholder='MM/YY']"), "1230");
    type(By.name("card-cvv"), "123");
    click(By.xpath("//button[normalize-space()='Pay & get tickets']"));
    expectVisible(tid("tickets-issued"));
    expectNthText("ticket-holder", 2, "Dev Patel");
  }
}