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index.test.js
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index.test.js
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/* eslint-env jest */
/* global jasmine */
import fs from 'fs-extra'
import { join } from 'path'
import { launchApp, findPort, nextBuild } from 'next-test-utils'
jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000 * 60 * 2
let appDir = join(__dirname, '..')
const nextConfigPath = join(appDir, 'next.config.js')
const writeConfig = async (routes = [], type = 'redirects') => {
await fs.writeFile(
nextConfigPath,
`
module.exports = {
experimental: {
async ${type}() {
return ${JSON.stringify(routes)}
}
}
}
`
)
}
let getStderr
const runTests = () => {
it('should error during next build for invalid redirects', async () => {
await writeConfig(
[
{
// missing destination
source: '/hello',
permanent: false,
},
{
// invalid source
source: 123,
destination: '/another',
permanent: false,
},
{
// invalid statusCode type
source: '/hello',
destination: '/another',
statusCode: '301',
},
{
// invalid statusCode
source: '/hello',
destination: '/another',
statusCode: 404,
},
{
// invalid permanent value
source: '/hello',
destination: '/another',
permanent: 'yes',
},
// invalid objects
null,
'string',
],
'redirects'
)
const stderr = await getStderr()
expect(stderr).toContain(
`\`destination\` is missing for route {"source":"/hello","permanent":false}`
)
expect(stderr).toContain(
`\`destination\` is missing for route {"source":"/hello","permanent":false}`
)
expect(stderr).toContain(
`\`source\` is not a string for route {"source":123,"destination":"/another","permanent":false}`
)
expect(stderr).toContain(
`\`statusCode\` is not undefined or valid statusCode for route {"source":"/hello","destination":"/another","statusCode":"301"}`
)
expect(stderr).toContain(
`\`statusCode\` is not undefined or valid statusCode for route {"source":"/hello","destination":"/another","statusCode":404}`
)
expect(stderr).toContain(
`\`permanent\` is not set to \`true\` or \`false\` for route {"source":"/hello","destination":"/another","permanent":"yes"}`
)
expect(stderr).toContain(
`\`permanent\` is not set to \`true\` or \`false\` for route {"source":"/hello","destination":"/another","permanent":"yes"}`
)
expect(stderr).toContain(
`\`permanent\` is not set to \`true\` or \`false\` for route {"source":"/hello","destination":"/another","permanent":"yes"}`
)
expect(stderr).toContain(
`The route null is not a valid object with \`source\` and \`destination\``
)
expect(stderr).toContain(
`The route "string" is not a valid object with \`source\` and \`destination\``
)
expect(stderr).toContain('Invalid redirects found')
})
it('should error during next build for invalid rewrites', async () => {
await writeConfig(
[
{
// missing destination
source: '/hello',
},
{
// invalid source
source: 123,
destination: '/another',
},
{
// extra field
source: '/hello',
destination: '/another',
headers: 'not-allowed',
},
{
// missing forward slash in source
source: 'hello',
destination: '/another',
},
{
// missing forward slash in destination
source: '/hello',
destination: 'another',
},
{
source: '/feedback/(?!general)',
destination: '/feedback/general',
},
// invalid objects
null,
'string',
],
'rewrites'
)
const stderr = await getStderr()
expect(stderr).toContain(
`\`destination\` is missing for route {"source":"/hello"}`
)
expect(stderr).toContain(
`\`source\` is not a string for route {"source":123,"destination":"/another"}`
)
expect(stderr).toContain(
`invalid field: headers for route {"source":"/hello","destination":"/another","headers":"not-allowed"}`
)
expect(stderr).toContain(
`\`source\` does not start with / for route {"source":"hello","destination":"/another"}`
)
expect(stderr).toContain(
`\`destination\` does not start with \`/\`, \`http://\`, or \`https://\` for route {"source":"/hello","destination":"another"}`
)
expect(stderr).toContain(
`Error parsing \`/feedback/(?!general)\` https://err.sh/zeit/next.js/invalid-route-source`
)
expect(stderr).toContain(
`The route null is not a valid object with \`source\` and \`destination\``
)
expect(stderr).toContain(
`The route "string" is not a valid object with \`source\` and \`destination\``
)
expect(stderr).toContain(`Reason: Pattern cannot start with "?" at 11`)
expect(stderr).toContain(`/feedback/(?!general)`)
expect(stderr).not.toContain(
'Valid redirect statusCode values are 301, 302, 303, 307, 308'
)
expect(stderr).toContain('Invalid rewrites found')
})
it('should error during next build for invalid headers', async () => {
await writeConfig(
[
{
// missing source
headers: [
{
'x-first': 'first',
},
],
},
{
// invalid headers value
source: '/hello',
headers: {
'x-first': 'first',
},
},
{
source: '/again',
headers: [
{
// missing key
value: 'idk',
},
],
},
{
source: '/again',
headers: [
{
// missing value
key: 'idk',
},
],
},
{
// non-allowed destination
source: '/again',
destination: '/another',
headers: [
{
key: 'x-first',
value: 'idk',
},
],
},
{
// valid one
source: '/valid-header',
headers: [
{
key: 'x-first',
value: 'first',
},
{
key: 'x-another',
value: 'again',
},
],
},
// invalid objects
null,
'string',
],
'headers'
)
const stderr = await getStderr()
expect(stderr).toContain(
'`source` is missing, `key` in header item must be string for route {"headers":[{"x-first":"first"}]}'
)
expect(stderr).toContain(
'`headers` field must be an array for route {"source":"/hello","headers":{"x-first":"first"}}'
)
expect(stderr).toContain(
'`key` in header item must be string for route {"source":"/again","headers":[{"value":"idk"}]}'
)
expect(stderr).toContain(
'`value` in header item must be string for route {"source":"/again","headers":[{"key":"idk"}]}'
)
expect(stderr).toContain(
'invalid field: destination for route {"source":"/again","destination":"/another","headers":[{"key":"x-first","value":"idk"}]}'
)
expect(stderr).toContain(
`The route null is not a valid object with \`source\` and \`headers\``
)
expect(stderr).toContain(
`The route "string" is not a valid object with \`source\` and \`headers\``
)
expect(stderr).not.toContain('/valid-header')
})
it('should show formatted error for redirect source parse fail', async () => {
await writeConfig(
[
{
source: '/feedback/(?!general)',
destination: '/feedback/general',
permanent: false,
},
{
source: '/learning/?',
destination: '/learning',
permanent: true,
},
],
'redirects'
)
const stderr = await getStderr()
expect(stderr).toContain(
`Error parsing \`/feedback/(?!general)\` https://err.sh/zeit/next.js/invalid-route-source`
)
expect(stderr).toContain(`Reason: Pattern cannot start with "?" at 11`)
expect(stderr).toContain(`/feedback/(?!general)`)
expect(stderr).toContain(
`Error parsing \`/learning/?\` https://err.sh/zeit/next.js/invalid-route-source`
)
expect(stderr).toContain(`Reason: Unexpected MODIFIER at 10, expected END`)
expect(stderr).toContain(`/learning/?`)
})
}
describe('Errors on invalid custom routes', () => {
afterAll(() => fs.remove(nextConfigPath))
describe('dev mode', () => {
beforeAll(() => {
getStderr = async () => {
let stderr = ''
await launchApp(appDir, await findPort(), {
onStderr: msg => {
stderr += msg
},
})
return stderr
}
})
runTests()
})
describe('production mode', () => {
beforeAll(() => {
getStderr = async () => {
const { stderr } = await nextBuild(appDir, [], { stderr: true })
return stderr
}
})
runTests()
})
})