server.js

exports.StartServer = function () {
  const restify = require('restify')

  const body = {
    testsuite: {
      package: 'http://exist-db.org/apps/my-app/tests',
      timestamp: '2018-07-12T15:25:38.227Z',
      tests: '1',
      failures: '0',
      errors: '0',
      pending: '0',
      time: 'PT0.02S',
      testcase: [{
        name: 'templating-foo',
        class: 'tests:templating-foo'
      }]
    }
  }

  // this rest server mocks the reponses of exist-db's rest api for unit testing without a running eXist instance.
  const server = restify.createServer({
  // server.use(restify.plugins.bodyParser())
  // server.use(restify.plugins.authorizationParser());
    name: 'mock-exist',
    version: '1.0.0'
  })

  // can be reached at eXist api's URI
  function respond (req, res, next) {
    res.setHeader('content-type', 'application/xml')
    res.charSet('UTF-8')
    res.send('<hello>world</hello>')
    next()
  }

  // respond with the result of running XQsuite test
  function runs (req, res, next) {
    res.setHeader('content-type', 'application/json')
    res.charSet('utf-8')
    res.send(200, body)
    next()
  }

  server.get('/exist/rest/db/', respond)
  server.head('/exist/rest/db/', respond)

  server.get('/exist/rest/db/my-app/modules/test-runner.xq', runs)
  server.head('/exist/rest/db/my-app/modules/test-runner.xq', runs)

  //  do not use 8080!
  server.listen(3000, function () {
    console.log('%s listening at %s', server.name, server.url)
  })

// server.close()
}