import { test, expect } from '@playwright/experimental-ct-svelte'; import Counter from '@/components/Counter.svelte'; test('update props without remounting', async ({ mount }) => { const component = await mount(Counter, { props: { count: 9001 }, }); await expect(component.getByTestId('props')).toContainText('9001'); await component.update({ props: { count: 1337 }, }); await expect(component).not.toContainText('9001'); await expect(component.getByTestId('props')).toContainText('1337'); await expect(component.getByTestId('remount-count')).toContainText('1'); }); test('update event listeners without remounting', async ({ mount }) => { const component = await mount(Counter); const messages: string[] = []; await component.update({ on: { submit: (data: string) => messages.push(data), }, }); await component.click(); expect(messages).toEqual(['hello']); await expect(component.getByTestId('remount-count')).toContainText('1'); });