Sourced from playwright's releases.

v1.39.0

Add custom matchers to your expect

You can extend Playwright assertions by providing custom matchers. These matchers will be available on the expect object.

import { expect as baseExpect } from '@playwright/test';
export const expect = baseExpect.extend({
  async toHaveAmount(locator: Locator, expected: number, options?: { timeout?: number }) {
    // ... see documentation for how to write matchers.
  },
});
test('pass', async ({ page }) => {
await expect(page.getByTestId('cart')).toHaveAmount(5);
});

See the documentation for a full example.

Merge test fixtures

You can now merge test fixtures from multiple files or modules:

import { mergeTests } from '@playwright/test';
import { test as dbTest } from 'database-test-utils';
import { test as a11yTest } from 'a11y-test-utils';
export const test = mergeTests(dbTest, a11yTest);

import { test } from './fixtures';
test('passes', async ({ database, page, a11y }) => {
// use database and a11y fixtures.
});

Merge custom expect matchers

You can now merge custom expect matchers from multiple files or modules:

import { mergeTests, mergeExpects } from '@playwright/test';
import { test as dbTest, expect as dbExpect } from 'database-test-utils';
import { test as a11yTest, expect as a11yExpect } from 'a11y-test-utils';
export const test = mergeTests(dbTest, a11yTest);
</tr></table>

... (truncated)

• 3049d99 cherry-pick(#27555): chore: composed->merge
• ae31f58 chore: mark 1.39.0 (#27550)
• 5313514 cherry-pick(#27549): docs: update release notes for 1.39
• 0d168dc chore: release notes for 1.39 (#27537)
• 4f9b285 chore: update WebKit version to 17.4 (#27536)
• d11380e docs: improve test.step documentation (#27535)
• 9edb811 feat(chromium-tip-of-tree): roll to r1158 (#27533)
• d05c865 test: unflake a few tests (#27519)
• 2776d84 docs: how to update playwright in python (#27527)
• 2407041 fix(chromium): avoid premature continue of redirects (#27520)
• Additional commits viewable in compare view

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