How to use azure-iot-provisioning-device-amqp - 3 common examples

var tpmSecurity = require('azure-iot-security-tpm');
var ProvisioningDeviceClient = require('azure-iot-provisioning-device').ProvisioningDeviceClient;

//
// For the public clouds the address of the provisioning host would be: global.azure-devices-provisioning.net
//
var provisioningHost = '';

//
// You can find your idScope in the portal overview section for your dps instance.
//
var idScope = '';

var securityClient = new tpmSecurity.TpmSecurityClient();

var provisioningClient = ProvisioningDeviceClient.create(provisioningHost, idScope, new ProvisioningTransport(), securityClient);
// Register the device.  Do not force a re-registration.
provisioningClient.register(function(err, result) {
  if (err) {
    console.log("error registering device: " + err);
  } else {
    console.log('registration succeeded');
    console.log('assigned hub=' + result.registrationState.assignedHub);
    console.log('deviceId=' + result.registrationState.deviceId);
    var tpmAuthenticationProvider = tpmSecurity.TpmAuthenticationProvider.fromTpmSecurityClient(result.registrationState.deviceId, result.registrationState.assignedHub, securityClient);
    var hubClient = Client.fromAuthenticationProvider(tpmAuthenticationProvider, iotHubTransport);

    var connectCallback = function (err) {
      if (err) {
        console.error('Could not connect: ' + err.message);
      } else {
        console.log('Client connected');

// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

'use strict';

var async = require('async');
var uuid = require('uuid');
var assert = require('chai').assert;
var crypto = require('crypto');
var debug = require('debug')('azure-iot-provisioning-device-e2e');
var Http = require('azure-iot-provisioning-device-http').Http;
var Amqp = require('azure-iot-provisioning-device-amqp').Amqp;
var AmqpWs = require('azure-iot-provisioning-device-amqp').AmqpWs;
var Mqtt = require('azure-iot-provisioning-device-mqtt').Mqtt;
var MqttWs = require('azure-iot-provisioning-device-mqtt').MqttWs;
var ProvisioningDeviceClient = require('azure-iot-provisioning-device').ProvisioningDeviceClient;
var ProvisioningServiceClient = require('azure-iot-provisioning-service').ProvisioningServiceClient;
var X509Security = require('azure-iot-security-x509').X509Security;
var Registry = require('azure-iothub').Registry;
var certHelper = require('./cert_helper');
var TpmSecurityClient = require('azure-iot-security-tpm').TpmSecurityClient;
var SymmetricKeySecurityClient = require('azure-iot-security-symmetric-key').SymmetricKeySecurityClient;
var TssJs = require("tss.js");

var idScope = process.env.IOT_PROVISIONING_DEVICE_IDSCOPE;
var provisioningConnectionString = process.env.IOT_PROVISIONING_SERVICE_CONNECTION_STRING;
var registryConnectionString = process.env.IOTHUB_CONNECTION_STRING;
var provisioningHost = process.env.IOT_PROVISIONING_DEVICE_ENDPOINT;

describe('DPS registration client', function() {
  var deviceCert = {
    cert: Buffer.from(process.env.IOTHUB_CA_ROOT_CERT, 'base64').toString('ascii'),
    key: Buffer.from(process.env.IOTHUB_CA_ROOT_CERT_KEY, 'base64').toString('ascii')
  };
  [
    httpModule.Http,
    amqpModule.Amqp,
    amqpModule.AmqpWs,
    mqttModule.Mqtt,
    mqttModule.MqttWs
  ].forEach(function (DeviceTransport) {
    describe('Over ' + DeviceTransport.name, function () {
      var X509Security = require('azure-iot-security-x509').X509Security;
      var ProvisioningDeviceClient = require('azure-iot-provisioning-device').ProvisioningDeviceClient;
      it.skip ('Should fail to register a device', function(done) {
        this.timeout(30000);
        var transport = new DeviceTransport();
        var securityClient = new X509Security('abcd', deviceCert);
        var deviceClient = ProvisioningDeviceClient.create(dpsDeviceClientEndpoint, 'scope', transport, securityClient);
        deviceClient.register(function(err) {
          correctDisconnectMessage(err, done);
        });
      });
    });