Files
nrwl--nx/astro-docs/e2e/theme-switching.spec.ts
T
2026-07-13 12:38:36 +08:00

72 lines
1.9 KiB
TypeScript

import { test, expect } from '@playwright/test';
test('should apply system theme by default', async ({ page }) => {
await page.goto('/docs/getting-started/intro');
await expect(
page.getByRole('heading', { name: 'What is Nx?' })
).toBeVisible();
const themeSelector = page.getByRole('combobox', {
name: /theme/i,
});
await expect(themeSelector).toBeVisible();
await expect(themeSelector).toHaveValue('auto');
const dataTheme = await page.evaluate(
() => document.documentElement.dataset.theme
);
// The data-theme should be either 'light' or 'dark' based on system preference
// It won't be 'auto' on the document element
expect(['light', 'dark']).toContain(dataTheme);
});
test('should switch to between light and dark theme', async ({ page }) => {
await page.goto('/docs/getting-started/intro');
await expect(
page.getByRole('heading', { name: 'What is Nx?' })
).toBeVisible();
const themeSelector = page.getByRole('combobox', {
name: /theme/i,
});
await test.step('light theme renders', async () => {
await expect(themeSelector).toBeVisible();
await themeSelector.selectOption('light');
await expect(themeSelector).toHaveValue('light');
const dataTheme = await page.evaluate(
() => document.documentElement.dataset.theme
);
expect(dataTheme).toBe('light');
});
await test.step('dark theme renders', async () => {
await themeSelector.selectOption('dark');
await expect(themeSelector).toHaveValue('dark');
const dataTheme = await page.evaluate(
() => document.documentElement.dataset.theme
);
expect(dataTheme).toBe('dark');
});
await test.step('switch back to auto', async () => {
await themeSelector.selectOption('auto');
await expect(themeSelector).toHaveValue('auto');
const dataTheme = await page.evaluate(
() => document.documentElement.dataset.theme
);
expect(['light', 'dark']).toContain(dataTheme);
});
});