Simple TDD in Nodejs

vowfile.js

'use strict'

/*
|--------------------------------------------------------------------------
| Vow file
|--------------------------------------------------------------------------
|
| The vow file is loaded before running your tests. This is the best place
| to hook operations `before` and `after` running the tests.
|
*/

// Uncomment when want to run migrations
const ace = require('@adonisjs/ace')

module.exports = (cli, runner) => {
  runner.before(async () => {
    /*
    |--------------------------------------------------------------------------
    | Start the server
    |--------------------------------------------------------------------------
    |
    | Starts the http server before running the tests. You can comment this
    | line, if http server is not required
    |
    */
    use('Adonis/Src/Server').listen(process.env.HOST, process.env.PORT)

    /*
    |--------------------------------------------------------------------------
    | Run migrations
    |--------------------------------------------------------------------------
    |
    | Migrate the database before starting the tests.
    |
    */
    await ace.call('migration:run', {}, { silent: true })
  })

  runner.after(async () => {
    /*
    |--------------------------------------------------------------------------
    | Shutdown server
    |--------------------------------------------------------------------------
    |
    | Shutdown the HTTP server when all tests have been executed.
    |
    */
    use('Adonis/Src/Server').getInstance().close()

    /*
    |--------------------------------------------------------------------------
    | Rollback migrations
    |--------------------------------------------------------------------------
    |
    | Once all tests have been completed, we should reset the database to it's
    | original state
    |
    */
    await ace.call('migration:reset', {}, { silent: true })
  })
}