@nraynaud/xo-vmdk-to-vhd/dist/vmdk-read.spec.js

JS lib streaming a vmdk file to a vhd

'use strict';

var _regenerator = require('babel-runtime/regenerator');

var _regenerator2 = _interopRequireDefault(_regenerator);

var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');

var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);

var _chai = require('chai');

var _fsPromise = require('fs-promise');

var _mocha = require('mocha');

var _childProcessPromise = require('child-process-promise');

var _vmdkRead = require('./vmdk-read');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

(0, _mocha.describe)('VMDK reading', function () {
  (0, _mocha.it)('VMDKDirectParser reads OK', (0, _asyncToGenerator3.default)(_regenerator2.default.mark(function _callee() {
    var rawFileName, fileName, parser, header, harvested, res;
    return _regenerator2.default.wrap(function _callee$(_context) {
      while (1) {
        switch (_context.prev = _context.next) {
          case 0:
            rawFileName = 'random-data';
            fileName = 'random-data.vmdk';
            _context.next = 4;
            return (0, _childProcessPromise.exec)('base64 /dev/urandom | head -c 104448 > ' + rawFileName);

          case 4:
            _context.next = 6;
            return (0, _childProcessPromise.exec)('rm -f ' + fileName + '&& VBoxManage convertfromraw --format VMDK --variant Stream ' + rawFileName + ' ' + fileName);

          case 6:
            parser = new _vmdkRead.VMDKDirectParser((0, _fsPromise.createReadStream)(fileName));
            _context.next = 9;
            return parser.readHeader();

          case 9:
            header = _context.sent;
            harvested = [];

          case 11:
            if (!true) {
              _context.next = 20;
              break;
            }

            _context.next = 14;
            return parser.next();

          case 14:
            res = _context.sent;

            if (!(res === null)) {
              _context.next = 17;
              break;
            }

            return _context.abrupt('break', 20);

          case 17:
            harvested.push(res);
            _context.next = 11;
            break;

          case 20:
            _chai.assert.equal(harvested.length, 2);
            _chai.assert.equal(harvested[0].lba, 0);
            _chai.assert.equal(harvested[1].lba, header['grainSizeSectors']);

          case 23:
          case 'end':
            return _context.stop();
        }
      }
    }, _callee, undefined);
  }))).timeout(10000);
});
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