gun-promises-using-nodejs-tape.js

'use strict'
const tape = require('tape')
const _test = require('tape-promise').default // <---- notice 'default'
const test = _test(tape) // decorate tape
const Gun = require('gun');
const GunThen = require('gun/lib/then.js')
const GunPromise = require('gun/lib/promise.js')
const mkdirp = require('mkdirp');
const { Random } = require('random-js');
const random = new Random();

test('create a key value pair using promises v2', async function (t) {
  // gundb doesn't do this correctly, it errors out with a mkdir message
  mkdirp.sync('testdb');  
  // don't use gun's default database, else state is saved across tests, which is an anti-pattern
  const dbfilename = 'testdb/' + random.string(16) + '.json';

  const gun = Gun({peers: [], multicast: false, file: dbfilename, web: undefined});
  const value = 'value';

  const result = await gun.get('key').put({property: value }).then();
  t.equal(result.property, value, 'result  was what we put in');
    
  const result2 = await gun.get('key').then();
  t.equal(result2.property, value, 'result2  was what we put in');
    
}); 
  
// gundb doesn't unref its internal timers and also multicast
// so force the process to exit.  
// This test should always be last
test('force test to end', async function(t) {
  t.ok(true, 'forcing test to end with process.exit');
  t.end();
  process.exit(); 
}); 

Check my fork, got it running with the auth stuff :)
BR, Jabis