react-native-nfc-manager/__tests__/ndef.test.js

const ndef = require('../ndef-lib');

const textMessageHelloWorld = [
  209,
  1,
  15,
  84,
  2,
  101,
  110,
  104,
  101,
  108,
  108,
  111,
  44,
  32,
  119,
  111,
  114,
  108,
  100,
];

const urlMessageNodeJSorg = [
  209,
  1,
  11,
  85,
  3,
  110,
  111,
  100,
  101,
  106,
  115,
  46,
  111,
  114,
  103,
];

const multipleRecordMessage = [
  145,
  1,
  15,
  84,
  2,
  101,
  110,
  104,
  101,
  108,
  108,
  111,
  44,
  32,
  119,
  111,
  114,
  108,
  100,
  17,
  1,
  11,
  85,
  3,
  110,
  111,
  100,
  101,
  106,
  115,
  46,
  111,
  114,
  103,
  82,
  9,
  27,
  116,
  101,
  120,
  116,
  47,
  106,
  115,
  111,
  110,
  123,
  34,
  109,
  101,
  115,
  115,
  97,
  103,
  101,
  34,
  58,
  32,
  34,
  104,
  101,
  108,
  108,
  111,
  44,
  32,
  119,
  111,
  114,
  108,
  100,
  34,
  125,
];

test('build and parse text', () => {
  const text = 'hello, world';
  let message = [ndef.textRecord(text)];

  let encoded = ndef.encodeMessage(message);
  expect(encoded).toEqual(textMessageHelloWorld);

  let decodedMessage = ndef.decodeMessage(encoded);
  expect(message[0]).toEqual(decodedMessage[0]);
  expect(ndef.text.decodePayload(message[0].payload)).toEqual(text);
});

test('build and parse uri', () => {
  let message = [ndef.uriRecord('http://nodejs.org')];

  let encoded = ndef.encodeMessage(message);
  expect(encoded).toEqual(urlMessageNodeJSorg);

  let decodedMessage = ndef.decodeMessage(encoded);
  expect(message[0]).toEqual(decodedMessage[0]);
});

test('build and parse multiple records', () => {
  var message = [
    ndef.textRecord('hello, world'),
    ndef.uriRecord('http://nodejs.org'),
    ndef.mimeMediaRecord('text/json', '{"message": "hello, world"}'),
  ];

  let encoded = ndef.encodeMessage(message);
  expect(encoded).toEqual(multipleRecordMessage);

  let decodedMessage = ndef.decodeMessage(encoded);
  expect(message[0]).toEqual(decodedMessage[0]);
  expect(message[1]).toEqual(decodedMessage[1]);
  expect(message[2]).toEqual(decodedMessage[2]);
});

test('build and parse wifi simple payload', () => {
  const wifiCredentials = {
    ssid: 'my-wifi-ap',
    networkKey: 'Abcabc123',
  };

  const payload = ndef.wifiSimple.encodePayload(wifiCredentials);
  const parsed = ndef.wifiSimple.decodePayload(payload);

  expect(parsed.ssid).toEqual(wifiCredentials.ssid);
  expect(parsed.networkKey).toEqual(wifiCredentials.networkKey);
  expect(parsed.authType).toEqual(ndef.wifiSimple.authTypes.WPA2_PSK);
});