import { test, expect } from '@playwright/test';

test('accept a confirm dialog', async ({ page }) => {
  await page.goto('/delete-demo');

  // Register handler BEFORE the action
  page.on('dialog', dialog => {
    expect(dialog.message()).toContain('Are you sure');
    dialog.accept();
  });

  await page.getByRole('button', { name: 'Delete account' }).click();
  await expect(page.getByText('Account deleted')).toBeVisible();
});

test('handle prompt dialog', async ({ page }) => {
  await page.goto('/rename-demo');

  page.on('dialog', dialog => {
    // Supply a value for prompt() dialogs
    dialog.accept('My New Name');
  });
  await page.getByRole('button', { name: 'Rename' }).click();
  await expect(page.getByText('My New Name')).toBeVisible();
});

test('capture a new tab', async ({ page, context }) => {
  await page.goto('/links');

  // Wait for popup before clicking the link
  const [popup] = await Promise.all([
    page.waitForEvent('popup'),
    page.getByRole('link', { name: 'Open in new tab' }).click(),
  ]);

  await popup.waitForLoadState();
  await expect(popup).toHaveURL(/external-page/);
});

import com.microsoft.playwright.*;
import static com.microsoft.playwright.assertions.PlaywrightAssertions.assertThat;

class DialogsTest {
  void acceptDialog(Page page) {
    page.navigate("/delete-demo");

    // Register before click
    page.onDialog(dialog -> {
      System.out.println("Dialog: " + dialog.message());
      dialog.accept();
    });

    page.getByRole(AriaRole.BUTTON,
        new Page.GetByRoleOptions().setName("Delete account")).click();
    assertThat(page.getByText("Account deleted")).isVisible();
  }

  void capturePopup(Page page) {
    page.navigate("/links");

    // waitForPopup wraps the action
    Page popup = page.waitForPopup(() ->
      page.getByRole(AriaRole.LINK,
          new Page.GetByRoleOptions().setName("Open in new tab")).click()
    );
    popup.waitForLoadState();
    assertThat(popup).hasURL("external-page");
  }
}

from playwright.sync_api import Page, expect, Dialog

def test_accept_confirm_dialog(page: Page):
    page.goto("/delete-demo")

    # Register handler before the action that triggers dialog
    def handle_dialog(dialog: Dialog):
        assert "Are you sure" in dialog.message
        dialog.accept()

    page.on("dialog", handle_dialog)
    page.get_by_role("button", name="Delete account").click()
    expect(page.get_by_text("Account deleted")).to_be_visible()

def test_capture_popup(page: Page):
    page.goto("/links")

    # expect_popup context manager captures the new tab
    with page.expect_popup() as popup_info:
        page.get_by_role("link", name="Open in new tab").click()

    popup = popup_info.value
    popup.wait_for_load_state()
    expect(popup).to_have_url(/external-page/)