@typed/test/source/browser/setupBrowser.ts

Testing made simple.

import { basename, join } from 'path'
import * as tempy from 'tempy'
import { Logger, TestMetadata } from '../types'
import { createIndexHtml } from './createIndexHtml'
import { generateTestBundle } from './generateTestBundle'
import { bundleFileOrExit } from './webpack'
import { Configuration } from 'webpack'

export async function setupBrowser(
  cwd: string,
  port: number,
  timeout: number,
  logger: Logger,
  testMetadata: TestMetadata[],
  extendConfiguration: (config: Configuration) => Configuration,
) {
  const outputDirectory = tempy.directory()
  const temporaryPath = join(outputDirectory, basename(tempy.file({ extension: 'ts' })))
  const bundlePath = join(outputDirectory, basename(tempy.file({ extension: 'js' })))
  const browserApiFile = generateTestBundle(cwd, outputDirectory, port, timeout, testMetadata)
  const indexHtmlPath = join(outputDirectory, 'index.html')
  const { writeFileSync } = require('fs')

  writeFileSync(temporaryPath, browserApiFile)
  await bundleFileOrExit(cwd, temporaryPath, bundlePath, logger, extendConfiguration)
  writeFileSync(indexHtmlPath, createIndexHtml(basename(bundlePath)))

  return { outputDirectory, bundlePath, indexHtmlPath }
}