/
static.test.ts
138 lines (128 loc) · 5.54 KB
/
static.test.ts
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import {
findPort,
killApp,
nextBuild,
nextStart,
renderViaHTTP,
File,
waitFor,
launchApp,
} from 'next-test-utils'
import webdriver from 'next-webdriver'
import { join } from 'path'
const appDir = join(__dirname, '../')
let appPort
let app
let browser
let html
const indexPage = new File(join(appDir, 'pages/static-img.js'))
const runTests = (isDev = false) => {
it('Should allow an image with a static src to omit height and width', async () => {
expect(await browser.elementById('basic-static')).toBeTruthy()
expect(await browser.elementById('blur-png')).toBeTruthy()
expect(await browser.elementById('blur-webp')).toBeTruthy()
expect(await browser.elementById('blur-avif')).toBeTruthy()
expect(await browser.elementById('blur-jpg')).toBeTruthy()
expect(await browser.elementById('static-svg')).toBeTruthy()
expect(await browser.elementById('static-gif')).toBeTruthy()
expect(await browser.elementById('static-bmp')).toBeTruthy()
expect(await browser.elementById('static-ico')).toBeTruthy()
expect(await browser.elementById('static-svg-fill')).toBeTruthy()
expect(await browser.elementById('static-gif-fill')).toBeTruthy()
expect(await browser.elementById('static-bmp-fill')).toBeTruthy()
expect(await browser.elementById('static-ico-fill')).toBeTruthy()
expect(await browser.elementById('static-unoptimized')).toBeTruthy()
})
if (!isDev) {
// cache-control is set to "0, no-store" in dev mode
it('Should use immutable cache-control header for static import', async () => {
await browser.eval(
`document.getElementById("basic-static").scrollIntoView()`
)
await waitFor(1000)
const url = await browser.eval(
`document.getElementById("basic-static").src`
)
const res = await fetch(url)
expect(res.headers.get('cache-control')).toBe(
'public, max-age=315360000, immutable'
)
})
it('Should use immutable cache-control header even when unoptimized', async () => {
await browser.eval(
`document.getElementById("static-unoptimized").scrollIntoView()`
)
await waitFor(1000)
const url = await browser.eval(
`document.getElementById("static-unoptimized").src`
)
const res = await fetch(url)
expect(res.headers.get('cache-control')).toBe(
'public, max-age=31536000, immutable'
)
})
}
it('Should automatically provide an image height and width', async () => {
expect(html).toContain('width="400" height="300"')
})
it('Should allow provided width and height to override intrinsic', async () => {
expect(html).toContain('width="150" height="150"')
})
it('Should add a blur to a statically imported image in "raw" mode', async () => {
// next-image-loader uses different blur behavior for dev/prod mode
// See next/build/webpack/loaders/next-image-loader
if (isDev) {
expect(html).toContain(
`style="background-size:cover;background-position:0% 0%;filter:blur(20px);background-image:url("/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Ftest-rect.f323a148.jpg&w=8&q=70")"`
)
} else {
expect(html).toContain(
`style="background-size:cover;background-position:0% 0%;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http%3A//www.w3.org/2000/svg' viewBox='0 0 400 300'%3E%3Cfilter id='b' color-interpolation-filters='sRGB'%3E%3CfeGaussianBlur stdDeviation='50'/%3E%3C/filter%3E%3Cimage filter='url(%23b)' x='0' y='0' height='100%25' width='100%25' href='data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEAAoKCgoKCgsMDAsPEA4QDxYUExMUFiIYGhgaGCIzICUgICUgMy03LCksNy1RQDg4QFFeT0pPXnFlZXGPiI+7u/sBCgoKCgoKCwwMCw8QDhAPFhQTExQWIhgaGBoYIjMgJSAgJSAzLTcsKSw3LVFAODhAUV5PSk9ecWVlcY+Ij7u7+//CABEIAAYACAMBIgACEQEDEQH/xAAnAAEBAAAAAAAAAAAAAAAAAAAABwEBAAAAAAAAAAAAAAAAAAAAAP/aAAwDAQACEAMQAAAAmgP/xAAcEAACAQUBAAAAAAAAAAAAAAASFBMAAQMFERX/2gAIAQEAAT8AZ1HjrKZX55JysIc4Ff/EABQRAQAAAAAAAAAAAAAAAAAAAAD/2gAIAQIBAT8Af//EABQRAQAAAAAAAAAAAAAAAAAAAAD/2gAIAQMBAT8Af//Z'/%3E%3C/svg%3E")`
)
}
})
}
describe('Build Error Tests', () => {
it('should throw build error when import statement is used with missing file', async () => {
await indexPage.replace(
'../public/foo/test-rect.jpg',
'../public/foo/test-rect-broken.jpg'
)
const { stderr } = await nextBuild(appDir, undefined, { stderr: true })
await indexPage.restore()
expect(stderr).toContain(
"Module not found: Can't resolve '../public/foo/test-rect-broken.jpg"
)
// should contain the importing module
expect(stderr).toContain('./pages/static-img.js')
// should contain a import trace
expect(stderr).not.toContain('Import trace for requested module')
})
})
describe('Future Static Image Component Tests', () => {
describe('production mode', () => {
beforeAll(async () => {
await nextBuild(appDir)
appPort = await findPort()
app = await nextStart(appDir, appPort)
html = await renderViaHTTP(appPort, '/static-img')
browser = await webdriver(appPort, '/static-img')
})
afterAll(() => {
killApp(app)
})
runTests(false)
})
describe('dev mode', () => {
beforeAll(async () => {
appPort = await findPort()
app = await launchApp(appDir, appPort)
html = await renderViaHTTP(appPort, '/static-img')
browser = await webdriver(appPort, '/static-img')
})
afterAll(() => {
killApp(app)
})
runTests(true)
})
})