golden_master.spec.js

var fs = require('fs');
var seedrandom = require('seedrandom');
var play = './golden_master_generator.js';
var spawn = require('child_process').spawn;
var goldenMasterPath = './golden_master_original';
var testResultsPath = './test_results';
var dircompare = require('dir-compare');

function generateGoldenMaster(folderPath) {
  var maxPlayers = 5;
  var maxSeed = 20;

  for (var j = 3; j < maxPlayers + 1; j += 1) {
    for (var i = 1; i < maxSeed + 1; i++) {
      var randomNo = seedrandom(i)();
      var diceRoll = Math.floor(randomNo * 6) + 1;
      var filePath = folderPath + '/players_' + j + '_diceSeed_' + i + '.txt';
      var goldenMaster = fs.createWriteStream(filePath);

      console.info('j', j, 'i', i, 'randomNo', randomNo, 'diceRoll', diceRoll, 'filePath', filePath);

      var gMaster = spawn('node', [play, j, diceRoll, randomNo]);

      gMaster.stdout.pipe(goldenMaster);

      gMaster.stderr.on('data', function (data) {
        console.debug('stderr: ' + data);
      });

      gMaster.on('close', function (code) {
        console.debug('child process exited with code ' + code);

        gMaster.stdout.on('close', function () {
          gMaster.exit();
        });
      });
    }
  }
}

describe('Golden master', function () {
  it('should generate the original golden master if does not exist yet', function () {
    var goldenMasterFolder = fs.readdirSync(goldenMasterPath);

    if (goldenMasterFolder.length < 3) {
      generateGoldenMaster('golden_master_original');
    }
  });

  // it('should create new test results to compare it with the gold master', function () {
  //   generateGoldenMaster('test_results');
  // });

  // it('Should compare test results folder with the golden master', function () {
  //   var options = {
  //     compareContent: true
  //   };
  //   var res = dircompare.compareSync(goldenMasterPath, testResultsPath, options);
  //   console.log('res', res);
  //   expect(res.distinct).toBe(0);
  // });
});