MongooseJS Binary Example

bintest.js

var crypto = require('crypto');

var mongoose = require('./');

mongoose.connect('mongodb://localhost/bintest');

var Schema = mongoose.Schema;

var HashSchema = new Schema({
    id        : String
  , hash      : Buffer
});

mongoose.model('Hash', HashSchema);

var timeId = "test" + (new Date().getTime());
var testBuffer =  new Buffer(crypto.createHash('sha256').update(new Buffer(0)).digest('binary'), 'binary');

var Hash = mongoose.model('Hash');

var sample = new Hash();
sample.id = timeId;
sample.hash = testBuffer;

sample.save(function (err) {
  if (err) {
    console.log(e.stack ? e.stack : e.toString());
    process.exit(1);
  }

  Hash.findOne({id: timeId}, function (err, result) {
    if (err) {
      console.log(e.stack ? e.stack : e.toString());
      process.exit(1);
    }

    if (testBuffer.length != result.hash.length) {
      console.log('Incorrect length returned!');
      process.exit(1);
    }

    for (var i = 0, l = testBuffer.length; i < l; i++) {
      if (testBuffer[i] !== result.hash[i]) {
        console.log('Buffer mismatch at pos ' + i);
        process.exit(1);
      }
    }

    console.log('SUCCESS!');
    process.exit(0);
  });
});