index.test.js

/* eslint-env jest */
import { join } from 'path'
import { execSync } from 'child_process'
import {
  findPort,
  killApp,
  launchApp,
  nextBuild,
  nextStart,
  renderViaHTTP,
} from 'next-test-utils'

let app
let appPort
const appDir = join(__dirname, '../')

const runTests = () => {
  it('should resolve index page correctly', async () => {
    const html = await renderViaHTTP(appPort, '/')
    expect(html).toContain('Hello, World!')
  })
}

const runRelayCompiler = () => {
  // Relay expects the current directory to contain a relay.json
  // This ensures the CWD is the one with relay.json since running
  // the relay-compiler through pnpm would make the root of the repo the CWD.
  execSync('../../../node_modules/relay-compiler/cli.js', {
    cwd: './test/integration/relay-graphql-swc-single-project',
  })
}

describe('Relay Compiler Transform - Single Project Config', () => {
  ;(process.env.TURBOPACK_BUILD ? describe.skip : describe)(
    'development mode',
    () => {
      beforeAll(async () => {
        runRelayCompiler()
        appPort = await findPort()
        app = await launchApp(appDir, appPort, { cwd: appDir })
      })
      afterAll(() => killApp(app))

      runTests()
    }
  )
  ;(process.env.TURBOPACK_DEV ? describe.skip : describe)(
    'production mode',
    () => {
      beforeAll(async () => {
        runRelayCompiler()
        await nextBuild(appDir, [], { cwd: appDir })
        appPort = await findPort()
        app = await nextStart(appDir, appPort)
      })

      afterAll(() => killApp(app))

      runTests()
    }
  )
})