Untitled

// Custom factory (need to provide a 12 byte array);
CustomPKFactory = function() {}
CustomPKFactory.prototype = new Object();
CustomPKFactory.createPk = function() {
  return new ObjectID("aaaaaaaaaaaa");
}

var p_client = new Db('integration_tests_20', new Server("127.0.0.1", 27017, {}), {'pk':CustomPKFactory});
p_client.open(function(err, p_client) {
  p_client.dropDatabase(function(err, done) {
    p_client.createCollection('test_custom_key', function(err, collection) {
      collection.insert({'a':1}, function(err, docs) {
        collection.find({'_id':new ObjectID("aaaaaaaaaaaa")}, function(err, cursor) {
          cursor.toArray(function(err, items) {
            test.assertEquals(1, items.length);

            // Let's close the db
            p_client.close();
          });
        });
      });
    });
  });
});