The mongoose plugin for chai-like used to compare object id.
Install with npm
npm install --save-dev chai-like-mongoose
var chai = require('chai');
var like = require('chai-like');
like.extend(require('chai-like-mongoose'));
chai.use(like);
Compare two object id.
var mongoose = require('mongoose');
var objectId = mongoose.Types.ObjectId('123456789012345678901234');
objectId.should.like('123456789012345678901234');
objectId.should.not.like('123456789012345678901235');