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test: ensure default output is correct (#39358)
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So we don't regress on issues like #39090, #35913, #34629, #33314, etc.

Closes #35912

## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have helpful link attached, see `contributing.md`

## Feature

- [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have helpful link attached, see `contributing.md`

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm lint`
- [ ] The examples guidelines are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing.md#adding-examples)
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balazsorban44 committed Aug 5, 2022
1 parent d88fd14 commit 0571885
Showing 1 changed file with 44 additions and 0 deletions.
44 changes: 44 additions & 0 deletions test/production/escheck-output/index.test.ts
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import { createNext } from 'e2e-utils'
import execa from 'execa'
import { NextInstance } from 'test/lib/next-modes/base'

describe('ES Check default output', () => {
let next: NextInstance

afterEach(() => next.destroy())

it('should pass for ES5', async () => {
next = await createNext({
files: { 'pages/index.js': 'export default function Page() {}' },
dependencies: { 'es-check': '7.0.0' },
})

const res = await execa(
'pnpm',
['es-check', 'es5', '.next/static/**/*.js'],
{ cwd: next.testDir }
)

expect(res.stdout).toBe(
'info: ES-Check: there were no ES version matching errors! 🎉'
)
})

it('should pass for ES5 with SWC minify', async () => {
next = await createNext({
files: { 'pages/index.js': 'export default function Page() {}' },
dependencies: { 'es-check': '7.0.0' },
nextConfig: { swcMinify: true },
})

const res = await execa(
'pnpm',
['es-check', 'es5', '.next/static/**/*.js'],
{ cwd: next.testDir }
)

expect(res.stdout).toBe(
'info: ES-Check: there were no ES version matching errors! 🎉'
)
})
})

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