What is auto-waiting in Playwright and how does it affect element detection in .NET C#?


Auto-Waiting in Playwright

Auto-waiting is a feature in Playwright that ensures actions behave as expected by performing a series of actionability checks on elements before executing actions. Playwright automatically waits for these checks to pass before performing the requested action. If the checks don't pass within the given timeout, a TimeoutError occurs.

For example, when using page.click(), Playwright ensures that:

  • The element is attached to the DOM
  • The element is visible
  • The element is stable (not animating or has completed animation)
  • The element receives events (not obscured by other elements)
  • The element is enabled
import { test } from '@playwright/test';

test('click example', async ({ page }) => {
  await page.goto('https://ray.run');
  await page.click('#some-element');

If an element isn't detected after login, ensure auto-waiting conditions are met and tests are run correctly. You can also use the Locator API to improve element detection:

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

test('locator example', async ({ page }) => {
  await page.goto('https://ray.run');
  await page.locator('article', { has: page.locator('.highlight') }).click();

Additionally, consider running independent tests in parallel using test.describe.configure() to improve test efficiency. Make sure your web server is ready before running tests by using the url option in testConfig.webServer.

By understanding auto-waiting in Playwright and ensuring tests are run correctly, you can improve element detection and overall test efficiency.

Thank you!
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Rayrun is a community for QA engineers. I am constantly looking for new ways to add value to people learning Playwright and other browser automation frameworks. If you have feedback, email luc@ray.run.