class-o-mat-data-object-plugin/test/com-data-object-test.js

a plugin to allow a class-o-mat instance to output the full tree of its own parameters and any of its children

import Bunyan from 'bunyan';
const  log = Bunyan.createLogger({name: "BasicManualTest"});

import mocha from 'mocha';
import { expect } from 'chai';


import ClassOMat from 'class-o-mat';
import dOPlugin from '../src/index';

class BaseAlbum { TYPE = 'ALBUM'};
class BaseMusician { TYPE = 'MSN'};
class BaseSong { TYPE = 'SONG'};

const albumOMatDO = new ClassOMat('albumOMatDOM');
const musicianOMat = new ClassOMat('musicianOMat');
const songOMat = new ClassOMat('songOMat');

songOMat.BaseClass(BaseSong).field('title');
musicianOMat.BaseClass(BaseMusician).field('name');

albumOMatDO.BaseClass(BaseAlbum)
           .field('title').validate().string().$()
           .again('group')
           .field('year')
            .validate().uint().greaterThan(1900).and().lessThan((new Date()).getFullYear()).$()
           .addChild(musicianOMat).namedChildren(true).as$('musicians')
           .addChild(songOMat).as$('songs');

dOPlugin.connect(albumOMatDO);

const Album = albumOMatDO.$();

describe(`Testing ClassOMat dataObject plugin`,
  ()=>{ 

  let album;
  let song;
  let musician;

  const albumData = { 
    title: 'A Momentary Lapse of Reason',
    group: 'Pink Floyd',
    year: 1987,
    songs: [ 
      {title: "Learning to Fly"},
      {title: "On the Turning Away"}
    ],
    musicians: { 
      'guitar': { name: 'David Gilmour'},
      'drums': { name: 'Nick Mason'},
    }
  }

  it(`Should be able to create an album and associated information.`,
    ()=>{ 
      album = new Album();
      album.title('A Momentary Lapse of Reason')
           .group('Pink Floyd')
           .year(1987);

      expect(album.TYPE).to.equal('ALBUM');
      expect(album.___isClassOMat()).to.equal(true);

      song = album.songs().title('Learning to Fly');
      expect(song.TYPE).to.equal('SONG');
      expect(song.___isClassOMat()).to.equal(true);

      song = album.songs().title('On the Turning Away');

      musician = album.musicians('guitar').name('David Gilmour');
      expect(musician.TYPE).to.equal('MSN');
      expect(musician.___isClassOMat()).to.equal(true);

      album.musicians('drums').name('Nick Mason');

      const output = album.___data();
      const jsonOutput = album.___json();
      expect(typeof output).to.equal('object');
      expect(output).to.deep.equal(albumData);

      expect(typeof jsonOutput).to.equal('string');
      expect(JSON.parse(jsonOutput)).to.deep.equal(albumData);

    }
  )
});