epg/tests/commands/create-database.test.js

const fs = require('fs')
const path = require('path')
const { execSync } = require('child_process')

beforeEach(() => {
  fs.rmdirSync('tests/__data__/output', { recursive: true })
  fs.mkdirSync('tests/__data__/output')

  const stdout = execSync(
    'DB_DIR=tests/__data__/output/database node scripts/commands/create-database.js --channels=tests/__data__/input/sites/*.channels.xml --max-clusters=1',
    { encoding: 'utf8' }
  )
})

it('can create channels database', () => {
  const output = content('tests/__data__/output/database/channels.db')

  expect(output).toMatchObject([
    {
      lang: 'ru',
      country: 'US',
      xmltv_id: 'CNNInternationalEurope.us',
      site_id: '140',
      name: 'CNN International Europe',
      site: 'example.com',
      channelsPath: 'tests/__data__/input/sites/example.com_ca-nl.channels.xml',
      configPath: 'tests/__data__/input/sites/example.com.config.js',
      groups: ['ca-nl'],
      cluster_id: 1
    }
  ])
})

function content(filepath) {
  const data = fs.readFileSync(path.resolve(filepath), {
    encoding: 'utf8'
  })

  return data
    .split('\n')
    .filter(l => l)
    .map(l => {
      return JSON.parse(l)
    })
}