carcass-couch/test/model.lorem.mocha.js

(Node.js) A simple wrap of cradle plus some stream APIs, in Carcass style.

// var debug = require('debug')('carcass:test');

var should = require('should');
var uid = require('uid2');
var example = require('../example');

describe('Model / Lorem:', function() {

    var Lorem = example.models.Lorem;

    before(function(done) {
        example.reload(done);
    });

    it('should be a model', function() {
        Lorem.should.be.type('function');
        (new Lorem()).should.be.type('object');
    });

    describe('An instance:', function() {

        var lorem = null;
        var id = uid(7);
        var db = null;

        before(function() {
            lorem = new Lorem({
                _id: id,
                name: 'Lorem 001'
            });
        });

        it('should be an object', function() {
            lorem.should.be.type('object');
        });

        it('should have a DB instance', function() {
            lorem.should.have.property('db').with.type('function');
            lorem.db().should.be.type('object');
            db = lorem.db();
        });

        it('declare DB', function(done) {
            db.declare(done);
        });

        it('cannot read from DB', function(done) {
            lorem.load(function(err) {
                err.should.be.instanceOf(Error);
                err.should.have.property('status', 404);
                done();
            });
        });

        it('can save to DB', function(done) {
            lorem.save(function(err, res) {
                if (err) return done(err);
                res.should.be.instanceOf(Lorem);
                res.primary().should.equal(id);
                res.name().should.equal('lorem 001');
                res.should.not.have.property('loadedFromDB');
                done();
            });
        });

        it('can read from DB', function(done) {
            lorem.load(function(err, res) {
                if (err) return done(err);
                res.should.equal(lorem);
                res.primary().should.equal(id);
                res.name().should.equal('lorem 001');
                res.should.have.property('loadedFromDB', true);
                done();
            });
        });

        it('update doc from another place', function(done) {
            db.save({
                _id: id,
                name: 'Lorem 002'
            }, done);
        });

        it('can read from DB', function(done) {
            lorem.load(function(err, res) {
                if (err) return done(err);
                res.should.equal(lorem);
                res.primary().should.equal(id);
                res.name().should.equal('lorem 002');
                done();
            });
        });

        it('can update to DB', function(done) {
            lorem.name('Lorem 003').save(function(err, res) {
                if (err) return done(err);
                res.should.be.instanceOf(Lorem);
                res.primary().should.equal(id);
                res.name().should.equal('lorem 003');
                done();
            });
        });

        it('can read from DB', function(done) {
            lorem.load(function(err, res) {
                if (err) return done(err);
                res.should.equal(lorem);
                res.primary().should.equal(id);
                res.name().should.equal('lorem 003');
                done();
            });
        });

        it('update doc from another place', function(done) {
            db.save({
                _id: id,
                name: 'Lorem 004'
            }, done);
        });

        it('can update to DB and handle conflict', function(done) {
            lorem.name('Lorem 005').save(function(err, res) {
                if (err) return done(err);
                res.should.be.instanceOf(Lorem);
                res.primary().should.equal(id);
                res.name().should.equal('lorem 004');
                done();
            });
        });

        it('can remove from DB', function(done) {
            lorem.remove(function(err, res) {
                if (err) return done(err);
                res.should.be.instanceOf(Lorem);
                res.primary().should.equal(id);
                res.name().should.equal('lorem 004');
                done();
            });
        });

        it('cannot read from DB', function(done) {
            lorem.load(function(err) {
                err.should.be.instanceOf(Error);
                err.should.have.property('status', 404);
                done();
            });
        });

        it('destroy DB', function(done) {
            db.destroy(done);
        });

    });

});