index.js

const path = require('path')
const tape = require('tape')

const { Diorama, tapeExecutor, backwardCompatibilityMiddleware } = require('@holochain/diorama')

process.on('unhandledRejection', error => {
  // Will print "unhandledRejection err is not defined"
  console.error('got unhandledRejection:', error);
})

const dnaPath = path.join(__dirname, "../dist/backend.dna.json")
const dna = Diorama.dna(dnaPath, 'backend')

const diorama = new Diorama({
  instances: {
    alice: dna,
    bob: dna,
  },
  bridges: [],
  debugLog: false,
  executor: tapeExecutor(tape),
  middleware: backwardCompatibilityMiddleware,
})

diorama.registerScenario("description of example test", async (s, /*t,*/ { alice }) => {
  const res = alice.call("messaging", "reee", {s:'Example String'})
  // t.deepEqual(res, {Ok:'Example String'})
})
diorama.registerScenario("Can create an user", async (s, /*t,*/  { alice }) => {
  const addr = alice.call("messaging", "create_user", {
    "username":"JhonatanHern"
  })
  // t.deepEqual({ Ok: 'QmVVDRffrS8gZXyCDmfB5X6MtcTWhsbeohWyTWrxEQoFZK' },addr)
})
diorama.run()