52 lines
1.4 KiB
JavaScript
52 lines
1.4 KiB
JavaScript
/* eslint-env jest */
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/* global jasmine */
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import { join } from 'path'
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import { runNextCommand, findPort, File } from 'next-test-utils'
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jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000 * 30
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const configFile = new File(join(__dirname, '../next.config.js'))
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describe('Promise in next config', () => {
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afterAll(() => configFile.restore())
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it('should throw error when a promise is return on config', async () => {
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configFile.write(`
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module.exports = (phase, { isServer }) => {
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return new Promise((resolve) => {
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resolve({ target: 'serverless' })
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})
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}
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`)
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const { stderr } = await runNextCommand(
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['dev', join(__dirname, '..'), '-p', await findPort()],
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{ stderr: true }
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)
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expect(stderr).toMatch(
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/Error: > Promise returned in next config\. https:\/\/err\.sh\/zeit\/next\.js\/promise-in-next-config/
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)
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})
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it('should warn when a promise is returned on webpack', async () => {
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configFile.write(`
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setTimeout(() => process.exit(0), 2 * 1000)
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module.exports = (phase, { isServer }) => {
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return {
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webpack: async (config) => {
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return config
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}
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}
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}
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`)
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const { stderr } = await runNextCommand(
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['dev', join(__dirname, '..'), '-p', await findPort()],
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{ stderr: true }
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)
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expect(stderr).toMatch(
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/> Promise returned in next config\. https:\/\/err\.sh\/zeit\/next\.js\/promise-in-next-config/
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)
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})
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})
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