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path: root/packages/integrations/prefetch/test/basic-prefetch.test.js
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import { expect } from '@playwright/test';
import { testFactory } from './test-utils.js';

const test = testFactory({ root: './fixtures/basic-prefetch/' });

test.describe('Basic prefetch', () => {
	test.describe('dev', () => {
		let devServer;

		test.beforeEach(async ({ astro }) => {
			devServer = await astro.startDevServer();
		});

		test.afterEach(async () => {
			await devServer.stop();
		});

		test.describe('prefetches rel="prefetch" links', () => {
			test('skips /admin', async ({ page, astro }) => {
				const requests = new Set();

				page.on('request', async (request) => requests.add(request.url()));

				await page.goto(astro.resolveUrl('/'));

				await page.waitForLoadState('networkidle');

				await expect(
					requests.has(astro.resolveUrl('/about')),
					'/about was prefetched'
				).toBeTruthy();
				await expect(
					requests.has(astro.resolveUrl('/contact')),
					'/contact was prefetched'
				).toBeTruthy();
				await expect(requests.has(astro.resolveUrl('/admin')), '/admin was skipped').toBeFalsy();
			});
		});
	});

	test.describe('build', () => {
		let previewServer;

		test.beforeAll(async ({ astro }) => {
			await astro.build();
			previewServer = await astro.preview();
		});

		// important: close preview server (free up port and connection)
		test.afterAll(async () => {
			await previewServer.stop();
		});

		test.describe('prefetches rel="prefetch" links', () => {
			test('skips /admin', async ({ page, astro }) => {
				const requests = new Set();

				page.on('request', async (request) => requests.add(request.url()));

				await page.goto(astro.resolveUrl('/'));

				await page.waitForLoadState('networkidle');

				await expect(
					requests.has(astro.resolveUrl('/about')),
					'/about was prefetched'
				).toBeTruthy();
				await expect(
					requests.has(astro.resolveUrl('/contact')),
					'/contact was prefetched'
				).toBeTruthy();
				await expect(requests.has(astro.resolveUrl('/admin')), '/admin was skipped').toBeFalsy();
			});
		});
	});
});