cli.test.js

'use strict'
const { spawnSync } = require('child_process')
const fs = require('fs')
const path = require('path')
const os = require('os')
const test = require('ava')
const pkg = require('./package.json')

const cli = path.join(__dirname, 'cli.js')

test('prints version for --version and -v', t => {
  for (const flag of ['--version', '-v']) {
    const r = spawnSync(process.execPath, [cli, flag], { encoding: 'utf8' })
    t.is(r.status, 0, flag)
    t.is(r.stdout.trim(), pkg.version, flag)
  }
})

test('prints help for --help and -h', t => {
  for (const flag of ['--help', '-h']) {
    const r = spawnSync(process.execPath, [cli, flag], { encoding: 'utf8' })
    t.is(r.status, 0, flag)
    t.true(r.stdout.includes('Usage:'), flag)
    t.true(r.stdout.includes('htmlcompile'), flag)
  }
})

test('exits with error when run without arguments', t => {
  const r = spawnSync(process.execPath, [cli], { encoding: 'utf8' })
  t.is(r.status, 1)
})

test('compiles when given input and output dirs', t => {
  const dir = fs.mkdtempSync(path.join(os.tmpdir(), 'htmlcompile-cli-'))
  const out = path.join(dir, 'dist')
  fs.mkdirSync(out)
  fs.writeFileSync(path.join(dir, 'a.ejs'), '<p><%= 1 %></p>')
  const r = spawnSync(process.execPath, [cli, dir, out], {
    encoding: 'utf8',
    timeout: 120000,
  })
  t.is(r.status, 0, r.stderr || r.stdout)
  const files = fs.readdirSync(out)
  t.true(files.length > 0)
  fs.rmSync(dir, { recursive: true, force: true })
})