cli.ts

import { normalize } from 'pathe'
import cac from 'cac'
import c from 'picocolors'
import { version } from '../../package.json'
import type { Vitest, VitestRunMode } from '../types'
import type { CliOptions } from './cli-api'
import { startVitest } from './cli-api'
import { divider } from './reporters/renderers/utils'

const cli = cac('vitest')

cli
  .version(version)
  .option('-r, --root <path>', 'Root path')
  .option('-c, --config <path>', 'Path to config file')
  .option('-u, --update', 'Update snapshot')
  .option('-w, --watch', 'Enable watch mode')
  .option('-t, --testNamePattern <pattern>', 'Run tests with full names matching the specified regexp pattern')
  .option('--dir <path>', 'Base directory to scan for the test files')
  .option('--ui', 'Enable UI')
  .option('--open', 'Open UI automatically (default: !process.env.CI))')
  .option('--api [api]', 'Serve API, available options: --api.port <port>, --api.host [host] and --api.strictPort')
  .option('--threads', 'Enabled threads (default: true)')
  .option('--single-thread', 'Run tests inside a single thread, requires --threads (default: false)')
  .option('--silent', 'Silent console output from tests')
  .option('--hideSkippedTests', 'Hide logs for skipped tests')
  .option('--isolate', 'Isolate environment for each test file (default: true)')
  .option('--reporter <name>', 'Specify reporters')
  .option('--outputFile <filename/-s>', 'Write test results to a file when supporter reporter is also specified, use cac\'s dot notation for individual outputs of multiple reporters')
  .option('--coverage', 'Enable coverage report')
  .option('--run', 'Disable watch mode')
  .option('--mode <name>', 'Override Vite mode (default: test)')
  .option('--globals', 'Inject apis globally')
  .option('--dom', 'Mock browser api with happy-dom')
  .option('--browser [options]', 'Run tests in the browser (default: false)')
  .option('--environment <env>', 'Specify runner environment, if not running in the browser (default: node)')
  .option('--passWithNoTests', 'Pass when no tests found')
  .option('--logHeapUsage', 'Show the size of heap for each test')
  .option('--allowOnly', 'Allow tests and suites that are marked as only (default: !process.env.CI)')
  .option('--dangerouslyIgnoreUnhandledErrors', 'Ignore any unhandled errors that occur')
  .option('--shard <shard>', 'Test suite shard to execute in a format of <index>/<count>')
  .option('--changed [since]', 'Run tests that are affected by the changed files (default: false)')
  .option('--sequence <options>', 'Define in what order to run tests (use --sequence.shuffle to run tests in random order)')
  .option('--segfaultRetry <times>', 'Return tests on segment fault (default: 0)', { default: 0 })
  .option('--no-color', 'Removes colors from the console output')
  .option('--inspect', 'Enable Node.js inspector')
  .option('--inspect-brk', 'Enable Node.js inspector with break')
  .option('--test-timeout <time>', 'Default timeout of a test in milliseconds (default: 5000)')
  .option('--bail <number>', 'Stop test execution when given number of tests have failed', { default: 0 })
  .help()

cli
  .command('run [...filters]')
  .action(run)

cli
  .command('related [...filters]')
  .action(runRelated)

cli
  .command('watch [...filters]')
  .action(watch)

cli
  .command('dev [...filters]')
  .action(watch)

cli
  .command('bench [...filters]')
  .action(benchmark)

cli
  .command('typecheck [...filters]')
  .action(typecheck)

cli
  .command('[...filters]')
  .action((filters, options) => start('test', filters, options))

try {
  cli.parse()
}
catch (originalError) {
  // CAC may fail to parse arguments when boolean flags and dot notation are mixed
  // e.g. "--coverage --coverage.reporter text" will fail, when "--coverage.enabled --coverage.reporter text" will pass
  const fullArguments = cli.rawArgs.join(' ')
  const conflictingArgs: { arg: string; dotArgs: string[] }[] = []

  for (const arg of cli.rawArgs) {
    if (arg.startsWith('--') && !arg.includes('.') && fullArguments.includes(`${arg}.`)) {
      const dotArgs = cli.rawArgs.filter(rawArg => rawArg.startsWith(arg) && rawArg.includes('.'))
      conflictingArgs.push({ arg, dotArgs })
    }
  }

  if (conflictingArgs.length === 0)
    throw originalError

  const error = conflictingArgs
    .map(({ arg, dotArgs }) =>
      `A boolean argument "${arg}" was used with dot notation arguments "${dotArgs.join(' ')}".`
      + `\nPlease specify the "${arg}" argument with dot notation as well: "${arg}.enabled"`)
    .join('\n')

  throw new Error(error)
}

async function runRelated(relatedFiles: string[] | string, argv: CliOptions): Promise<void> {
  argv.related = relatedFiles
  argv.passWithNoTests ??= true
  await start('test', [], argv)
}

async function watch(cliFilters: string[], options: CliOptions): Promise<void> {
  options.watch = true
  await start('test', cliFilters, options)
}

async function run(cliFilters: string[], options: CliOptions): Promise<void> {
  options.run = true
  await start('test', cliFilters, options)
}

async function benchmark(cliFilters: string[], options: CliOptions): Promise<void> {
  console.warn(c.yellow('Benchmarking is an experimental feature.\nBreaking changes might not follow semver, please pin Vitest\'s version when using it.'))
  await start('benchmark', cliFilters, options)
}

async function typecheck(cliFilters: string[] = [], options: CliOptions = {}) {
  console.warn(c.yellow('Testing types with tsc and vue-tsc is an experimental feature.\nBreaking changes might not follow semver, please pin Vitest\'s version when using it.'))
  await start('typecheck', cliFilters, options)
}

function normalizeCliOptions(argv: CliOptions): CliOptions {
  if (argv.root)
    argv.root = normalize(argv.root)
  else
    delete argv.root

  if (argv.config)
    argv.config = normalize(argv.config)
  else
    delete argv.config

  if (argv.dir)
    argv.dir = normalize(argv.dir)
  else
    delete argv.dir

  return argv
}

async function start(mode: VitestRunMode, cliFilters: string[], options: CliOptions): Promise<Vitest | undefined> {
  try {
    const ctx = await startVitest(mode, cliFilters.map(normalize), normalizeCliOptions(options))
    if (!ctx?.shouldKeepServer())
      await ctx?.exit()
    return ctx
  }
  catch (e) {
    console.error(`\n${c.red(divider(c.bold(c.inverse(' Unhandled Error '))))}`)
    console.error(e)
    console.error('\n\n')
    process.exit(1)
  }
}