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index.test.js
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index.test.js
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/* eslint-env jest */
import fs from 'fs-extra'
import { join } from 'path'
import webdriver from 'next-webdriver'
import {
killApp,
findPort,
launchApp,
check,
hasRedbox,
getRedboxSource,
} from 'next-test-utils'
const appDir = join(__dirname, '../')
const gspPage = join(appDir, 'pages/gsp.js')
const gsspPage = join(appDir, 'pages/gssp.js')
const dynamicGsspPage = join(appDir, 'pages/blog/[slug].js')
const apiPage = join(appDir, 'pages/api/hello.js')
const dynamicApiPage = join(appDir, 'pages/api/blog/[slug].js')
let stderr = ''
let appPort
let app
describe('server-side dev errors', () => {
beforeAll(async () => {
appPort = await findPort()
app = await launchApp(appDir, appPort, {
onStderr(msg) {
stderr += msg
},
env: {
__NEXT_TEST_WITH_DEVTOOL: 1,
},
})
})
afterAll(() => killApp(app))
it('should show server-side error for gsp page correctly', async () => {
const content = await fs.readFile(gspPage, 'utf8')
try {
const stderrIdx = stderr.length
await fs.writeFile(
gspPage,
content.replace('return {', 'missingVar;return {')
)
const browser = await webdriver(appPort, '/gsp')
await check(async () => {
const err = stderr.slice(stderrIdx)
return err.includes('pages/gsp.js') &&
err.includes('6:2') &&
err.includes('getStaticProps') &&
err.includes('missingVar')
? 'success'
: err
}, 'success')
expect(await hasRedbox(browser, true)).toBe(true)
expect(await getRedboxSource(browser)).toContain('missingVar')
await fs.writeFile(gspPage, content)
await hasRedbox(browser, false)
} finally {
await fs.writeFile(gspPage, content)
}
})
it('should show server-side error for gssp page correctly', async () => {
const content = await fs.readFile(gsspPage, 'utf8')
try {
const stderrIdx = stderr.length
await fs.writeFile(
gsspPage,
content.replace('return {', 'missingVar;return {')
)
const browser = await webdriver(appPort, '/gssp')
await check(async () => {
const err = stderr.slice(stderrIdx)
return err.includes('pages/gssp.js') &&
err.includes('6:2') &&
err.includes('getServerSideProps') &&
err.includes('missingVar')
? 'success'
: err
}, 'success')
expect(await hasRedbox(browser, true)).toBe(true)
expect(await getRedboxSource(browser)).toContain('missingVar')
await fs.writeFile(gsspPage, content)
await hasRedbox(browser, false)
} finally {
await fs.writeFile(gsspPage, content)
}
})
it('should show server-side error for dynamic gssp page correctly', async () => {
const content = await fs.readFile(dynamicGsspPage, 'utf8')
try {
const stderrIdx = stderr.length
await fs.writeFile(
dynamicGsspPage,
content.replace('return {', 'missingVar;return {')
)
const browser = await webdriver(appPort, '/blog/first')
await check(async () => {
const err = stderr.slice(stderrIdx)
return err.includes('pages/blog/[slug].js') &&
err.includes('6:2') &&
err.includes('getServerSideProps') &&
err.includes('missingVar')
? 'success'
: err
}, 'success')
expect(await hasRedbox(browser, true)).toBe(true)
expect(await getRedboxSource(browser)).toContain('missingVar')
await fs.writeFile(dynamicGsspPage, content)
await hasRedbox(browser, false)
} finally {
await fs.writeFile(dynamicGsspPage, content)
}
})
it('should show server-side error for api route correctly', async () => {
const content = await fs.readFile(apiPage, 'utf8')
try {
const stderrIdx = stderr.length
await fs.writeFile(
apiPage,
content.replace('res.status', 'missingVar;res.status')
)
const browser = await webdriver(appPort, '/api/hello')
await check(async () => {
const err = stderr.slice(stderrIdx)
return err.includes('pages/api/hello.js') &&
err.includes('2:2') &&
err.includes('default') &&
err.includes('missingVar')
? 'success'
: err
}, 'success')
expect(await hasRedbox(browser, true)).toBe(true)
expect(await getRedboxSource(browser)).toContain('missingVar')
await fs.writeFile(apiPage, content)
await hasRedbox(browser, false)
} finally {
await fs.writeFile(apiPage, content)
}
})
it('should show server-side error for dynamic api route correctly', async () => {
const content = await fs.readFile(dynamicApiPage, 'utf8')
try {
const stderrIdx = stderr.length
await fs.writeFile(
dynamicApiPage,
content.replace('res.status', 'missingVar;res.status')
)
const browser = await webdriver(appPort, '/api/blog/first')
await check(async () => {
const err = stderr.slice(stderrIdx)
return err.includes('pages/api/blog/[slug].js') &&
err.includes('2:2') &&
err.includes('default') &&
err.includes('missingVar')
? 'success'
: err
}, 'success')
expect(await hasRedbox(browser, true)).toBe(true)
expect(await getRedboxSource(browser)).toContain('missingVar')
await fs.writeFile(dynamicApiPage, content)
await hasRedbox(browser, false)
} finally {
await fs.writeFile(dynamicApiPage, content)
}
})
it('should show server-side error for uncaught rejection correctly', async () => {
const stderrIdx = stderr.length
await webdriver(appPort, '/uncaught-rejection')
await check(async () => {
const err = stderr.slice(stderrIdx)
return err.includes('pages/uncaught-rejection.js') &&
err.includes('7:19') &&
err.includes('getServerSideProps') &&
err.includes('catch this rejection')
? 'success'
: err
}, 'success')
})
it('should show server-side error for uncaught exception correctly', async () => {
const stderrIdx = stderr.length
await webdriver(appPort, '/uncaught-exception')
await check(async () => {
const err = stderr.slice(stderrIdx)
return err.includes('pages/uncaught-exception.js') &&
err.includes('7:10') &&
err.includes('getServerSideProps') &&
err.includes('catch this exception')
? 'success'
: err
}, 'success')
})
})