test.ts

import { expect } from '@playwright/test';
import { sentryTest } from '../../../../utils/fixtures';
import { envelopeRequestParser, waitForErrorRequestOnUrl } from '../../../../utils/helpers';

sentryTest('sentryOnLoad callback is used', async ({ getLocalTestUrl, page }) => {
  const url = await getLocalTestUrl({ testDir: __dirname });
  const req = await waitForErrorRequestOnUrl(page, url);

  const eventData = envelopeRequestParser(req);

  expect(eventData.message).toBe('Test exception: 0.123');

  expect(await page.evaluate('Sentry.getClient().getOptions().tracesSampleRate')).toEqual(0.123);
});