How do I use Playwright to verify if a weather layer has been successfully added to a map?

Answer

Sure, you can use Playwright's web-first assertions to check if a weather layer is correctly displayed on a map. Here's how you can do it:

First, interact with the map and add the weather layer. Then, use an assertion like toBeVisible() to confirm its visibility. This assertion will wait for the weather layer to appear and retry if necessary.

Here's a sample code snippet:

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

test('Check weather layer visibility', async ({ page }) => {
  // Interact with the map and add the weather layer

  // Check if the weather layer is visible
  await expect(page.getByText('weather-layer')).toBeVisible();
});

In this example, we're looking for a text element with "weather-layer" when the weather layer is displayed. You might need to adjust this selector based on your specific implementation.

Using web-first assertions like toBeVisible(), Playwright will wait for the expected condition before proceeding. This makes your tests reliable and accurate.

Remember to follow best practices while writing tests in Playwright. You can refer to Playwright's documentation on best practices for more information.

For more tips on writing efficient Playwright test scripts, check out this blog post.