/
index.test.js
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/
index.test.js
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/* eslint-env jest */
import { join } from 'path'
import {
killApp,
findPort,
launchApp,
nextStart,
nextBuild,
check,
} from 'next-test-utils'
import webdriver from 'next-webdriver'
import fs from 'fs-extra'
jest.setTimeout(1000 * 30)
const appDir = join(__dirname, '../')
const nextConfig = join(appDir, 'next.config.js')
let appPort
let app
function runTests() {
it('should load the images', async () => {
let browser
try {
browser = await webdriver(appPort, '/')
await check(async () => {
const result = await browser.eval(
`document.getElementById('basic-image').naturalWidth`
)
if (result === 0) {
throw new Error('Incorrectly loaded image')
}
return 'result-correct'
}, /result-correct/)
await check(async () => {
const result = await browser.eval(
`document.getElementById('width-height-string').naturalWidth`
)
if (result === 0) {
throw new Error('Incorrectly loaded image')
}
return 'result-correct'
}, /result-correct/)
await check(async () => {
const result = await browser.eval(
`document.getElementById('unsized-image').naturalWidth`
)
if (result === 0) {
throw new Error('Incorrectly loaded image')
}
return 'result-correct'
}, /result-correct/)
} finally {
if (browser) {
await browser.close()
}
}
})
it('should work when using flexbox', async () => {
let browser
try {
browser = await webdriver(appPort, '/flex')
await check(async () => {
const result = await browser.eval(
`document.getElementById('basic-image').width`
)
if (result === 0) {
throw new Error('Incorrectly loaded image')
}
return 'result-correct'
}, /result-correct/)
} finally {
if (browser) {
await browser.close()
}
}
})
}
describe('Image Component Tests', () => {
describe('dev mode', () => {
beforeAll(async () => {
appPort = await findPort()
app = await launchApp(appDir, appPort)
})
afterAll(() => killApp(app))
runTests('dev')
})
describe('server mode', () => {
beforeAll(async () => {
await nextBuild(appDir)
appPort = await findPort()
app = await nextStart(appDir, appPort)
})
afterAll(() => killApp(app))
runTests('server')
})
describe('serverless mode', () => {
beforeAll(async () => {
await fs.writeFile(
nextConfig,
`
module.exports = {
target: 'serverless'
}
`
)
await nextBuild(appDir)
appPort = await findPort()
app = await nextStart(appDir, appPort)
})
afterAll(async () => {
await fs.unlink(nextConfig)
await killApp(app)
})
runTests('serverless')
})
})