5c6b8ac3f2
* use `check` to wait for css change * remove unused swr deps and update them to latest * remove swr esm test in `app-dir/app/` since it's already covered in `app-dir/app-external/` ---------
45 lines
1.2 KiB
TypeScript
45 lines
1.2 KiB
TypeScript
import { createNext } from 'e2e-utils'
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import { NextInstance } from 'test/lib/next-modes/base'
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import { check } from 'next-test-utils'
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describe('useReportWebVitals hook', () => {
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let next: NextInstance
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beforeAll(async () => {
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next = await createNext({
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files: __dirname,
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skipStart: true,
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env: {},
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})
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await next.start()
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})
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afterAll(() => next.destroy())
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// Analytics events are only sent in production
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it('should send web-vitals to vercel-insights', async () => {
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await next.fetch('/report-web-vitals')
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let eventsCount = 0
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const browser = await next.browser('/report-web-vitals', {
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beforePageLoad: (page) => {
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page.route('https://example.vercel.sh/vitals', (route) => {
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eventsCount += 1
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route.fulfill()
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})
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},
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})
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// Refresh will trigger CLS and LCP. When page loads FCP and TTFB will trigger:
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await browser.refresh()
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// After interaction LCP and FID will trigger
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await browser.elementById('btn').click()
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// Make sure all registered events in performance-relayer has fired
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await check(async () => {
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expect(eventsCount).toBeGreaterThanOrEqual(6)
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return 'success'
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}, 'success')
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})
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})
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