test-date-validator.js

var expect = require('expect.js');
var mongoose = require('mongoose');

/*******************************************************
* Setup Mongoose
*******************************************************/
mongoose.connect("mongodb://localhost/mocha_test");

var testSchema = new mongoose.Schema({
    firstName: String,
    dob: { type: Date, max: new Date()}
});

var Test = mongoose.model('Test', testSchema);


/*******************************************************
* Begin Mocha Tests
*******************************************************/
describe('Mongoose Validation', function(){

    // Clean Up the Tests DB and Seed DB
    before(function(done){
        Test.find({}).remove(function(){
            Test.create({
                firstName : 'Alex'
            });
            done();
        });
    });
    /*******************************************************
    * Tests Date
    *******************************************************/
    describe('Date of Birth', function(){
        // Using findOne and save to trigger validator, which works
        it('should save using findOne and save method', function(done){
            Test.findOne({firstName : 'Alex'}, function (err, doc) {

                // Check for error
                if(err){
                    var errMsg = err.errors;
                    expect(countObj(errMsg)).to.equal(0);
                    done();
                    return err;
                }

                // Adding date to the document
                    var d = new Date('1/1/2016');
                doc.dob = d;

                // Save the updated document
                doc.save(function( sErr, sDoc ){

                    // Check for error
                    if(sErr){
                        var errMsg = sErr.errors;
                        expect(countObj(errMsg)).to.equal(0);
                    }
                    done();
                })
            });
        });

        // Using update and set to trigger validator, should work but doesnt
        it('should save using update and $set method', function(done){
            // Adding date to the document
            var d = new Date('1/1/2016');


            // Update document
            Test.update({firstName : 'Alex'}, { $set: { dob:  d} }, { runValidators:true }, function (err, doc) {
                if(err){
                    var errMsg = err.errors;
                    expect(countObj(errMsg)).to.equal(0);
                    done();
                    return err;
                }

                done();
            });
        });
    });

    // Show the changes
    after(function(done){
        Test.find({}, function(err, data){
            console.log('Database Results:')
            console.log(data);
            done();
        });

    });
});

function countObj(obj){
    var numOfErrors = 0;
    for( key in obj ){
        // console.log('        >>> '+obj[key].message)
        numOfErrors++;
    }
    return numOfErrors;
}