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import { retry } from 'next-test-utils'
const enableCacheComponents = process.env.__NEXT_CACHE_COMPONENTS === 'true'
describe('cache-indicator', () => {
const { next } = nextTestSetup({
files: __dirname,
})
it('is none on initial load', async () => {
const browser = await next.browser('/')
const badge = await browser.elementByCss('[data-next-badge]')
const cacheStatus = await badge.getAttribute('data-status')
expect(cacheStatus).toBe('none')
})
if (enableCacheComponents) {
it('renders the cache warming indicator when navigating to a page that needs to warm the cache', async () => {
const browser = await next.browser('/')
// navigate to the navigation page
const link = await browser.waitForElementByCss('a[href="/navigation"]')
await link.click()
await retry(async () => {
const badge = await browser.elementByCss('[data-next-badge]')
const cacheStatus = await badge.getAttribute('data-status')
expect(cacheStatus).toBe('prerendering')
})
await retry(async () => {
const text = await browser.elementByCss('#navigation-page').text()
expect(text).toContain('Hello navigation page!')
})
const badge = await browser.elementByCss('[data-next-badge]')
const status = await badge.getAttribute('data-status')
expect(status).toBe('none')
})
it('shows cache-bypassing badge when cache is disabled', async () => {
const browser = await next.browser('/', {
extraHTTPHeaders: { 'cache-control': 'no-cache' },
})
// Wait for the badge to appear and show cache-bypassing status
await retry(async () => {
const badge = await browser.elementByCss('[data-next-badge]')
const cacheBypassingAttr = await badge.getAttribute(
'data-cache-bypassing'
)
expect(cacheBypassingAttr).toBe('true')
})
// Verify the cache bypass badge is visible
await retry(async () => {
const hasCacheBypassBadge = await browser.hasElementByCss(
'[data-cache-bypass-badge]'
)
expect(hasCacheBypassBadge).toBe(true)
})
// Verify the badge shows "Cache disabled" text
const badgeButton = await browser.elementByCss(
'[data-cache-bypass-badge] [data-issues-open]'
)
const badgeText = await badgeButton.text()
expect(badgeText).toBe('Cache disabled')
})
it('persists cache-bypassing badge after navigation when cache is disabled', async () => {
const browser = await next.browser('/', {
extraHTTPHeaders: { 'cache-control': 'no-cache' },
})
// Wait for initial cache-bypassing badge
await retry(async () => {
const hasCacheBypassBadge = await browser.hasElementByCss(
'[data-cache-bypass-badge]'
)
expect(hasCacheBypassBadge).toBe(true)
})
// Navigate to another page
const link = await browser.waitForElementByCss('a[href="/navigation"]')
await link.click()
// Wait for navigation to complete
await retry(async () => {
const text = await browser.elementByCss('#navigation-page').text()
expect(text).toContain('Hello navigation page!')
})
// Verify cache-bypassing badge persists after navigation
await retry(async () => {
const hasCacheBypassBadge = await browser.hasElementByCss(
'[data-cache-bypass-badge]'
)
expect(hasCacheBypassBadge).toBe(true)
})
// Verify the badge still shows "Cache disabled" text
const badgeButton = await browser.elementByCss(
'[data-cache-bypass-badge] [data-issues-open]'
)
const badgeText = await badgeButton.text()
expect(badgeText).toBe('Cache disabled')
})
it('opens devtools menu when clicking cache-bypassing badge', async () => {
const browser = await next.browser('/', {
extraHTTPHeaders: { 'cache-control': 'no-cache' },
})
// Wait for the cache-bypassing badge to appear
await retry(async () => {
const hasCacheBypassBadge = await browser.hasElementByCss(
'[data-cache-bypass-badge]'
)
expect(hasCacheBypassBadge).toBe(true)
})
// Click the cache bypass badge
const badgeButton = await browser.elementByCss(
'[data-cache-bypass-badge] [data-issues-open]'
)
await badgeButton.click()
// Verify devtools menu opens
await retry(async () => {
const hasMenu = await browser.hasElementByCss('#nextjs-dev-tools-menu')
expect(hasMenu).toBe(true)
})
})
it('can dismiss cache-bypassing badge', async () => {
const browser = await next.browser('/', {
extraHTTPHeaders: { 'cache-control': 'no-cache' },
})
// Wait for the cache-bypassing badge to appear
await retry(async () => {
const hasCacheBypassBadge = await browser.hasElementByCss(
'[data-cache-bypass-badge]'
)
expect(hasCacheBypassBadge).toBe(true)
})
// Click the collapse button
const collapseButton = await browser.elementByCss(
'[data-cache-bypass-badge] [data-issues-collapse]'
)
await collapseButton.click()
// Verify badge is dismissed
await retry(async () => {
const hasCacheBypassBadge = await browser.hasElementByCss(
'[data-cache-bypass-badge]'
)
expect(hasCacheBypassBadge).toBe(false)
})
})
}
})
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