json-prism/lib/core/virtual/Sentient.spec.js

Immutable Prisms, i.e. Taking a Multifoci Json Path to Immutability, or A sentient item has some ability to communicate, either by sharing its emotions, broadcasting its thoughts telepathically, or speaking aloud.

"use strict";

var _require = require('rxjs'),
    BehaviorSubject = _require.BehaviorSubject;

var _require2 = require('rxjs/operators'),
    take = _require2.take,
    toArray = _require2.toArray,
    distinctUntilChanged = _require2.distinctUntilChanged,
    distinctUntilKeyChanged = _require2.distinctUntilKeyChanged;

var _require3 = require('json-atom'),
    get = _require3.get,
    set = _require3.set,
    apply = _require3.apply;

var _require4 = require('./Sentient'),
    Writer = _require4.Writer;

var _require5 = require('../../utils/trace'),
    show = _require5.show,
    aLine = _require5.aLine;

describe('Journal Writer', function () {
  var journal = new BehaviorSubject({
    value: {}
  });
  it('should emit the correct journal entries', function (done) {
    // it('should gets as shades.get from subject.value', () => {
    journal.subscribe(function (entry) {
      return show('+JournalEntry', entry, entry.gets ? entry.gets('$.hello') : 'Vanilla entry, no .gets!');
    });
    journal.pipe(take(6), toArray()).subscribe(function (journal) {
      try {
        expect(journal).toEqual([{
          "value": {}
        }, {
          "action": "set",
          "gets": expect.any(Function),
          "labels": ["origin: B"],
          "path": "$.hello",
          "sets": expect.any(Function),
          "value": {
            "hello": "RP"
          },
          "version": 1
        }, {
          "action": "set",
          "gets": expect.any(Function),
          "labels": ["origin: C"],
          "path": "$.hello",
          "sets": expect.any(Function),
          "value": {
            "hello": "RP"
          },
          "version": 1
        }, {
          "action": "set",
          "gets": expect.any(Function),
          "labels": ["origin: E"],
          "path": "$.bye",
          "sets": expect.any(Function),
          "value": {
            "bye": "Bad Code",
            "hello": "RP"
          },
          "version": 1
        }, {
          "action": "set",
          "gets": expect.any(Function),
          "labels": ["origin: E"],
          "path": "$.journaledPost",
          "sets": expect.any(Function),
          "value": {
            "bye": "Bad Code",
            "hello": "RP",
            "journaledPost": {
              "author": "Shady Dawood",
              "timestamp": "2019-05-17T18:11:29.344Z"
            }
          },
          "version": 2
        }, {
          "action": "set",
          "gets": expect.any(Function),
          "labels": ["origin: E"],
          "path": "$.hello",
          "sets": expect.any(Function),
          "value": {
            "bye": "Bad Code",
            "hello": "New World",
            "journaledPost": {
              "author": "Shady Dawood",
              "timestamp": "2019-05-17T18:11:29.344Z"
            }
          },
          "version": 3
        }]);
        done();
      } catch (error) {
        done.fail(error);
      }
    }, function (error) {
      return done.fail(error);
    }, function () {
      return show('ALL-DONE');
    });
    show('JOURNAL-VALUE:', journal.value);
    show(Writer(journal, {
      labels: ['origin: A']
    }).gets('$.hello')); // should not be there yet

    show(get('$.hello')(journal.value)); // should not be there yet
    // });
    // it('should gets what it sets regardless', () => {

    var returns = Writer(journal, {
      labels: ['origin: B']
    }).sets('$.hello')('RP');
    show({
      returns: returns
    });
    show("repeat the action, check on version");
    Writer(journal, {
      labels: ['origin: C']
    }).sets('$.hello')('RP');
    show('JOURNAL-VALUE:', journal.value);
    show(Writer(journal, {
      labels: ['origin: D']
    }).gets('$.hello'));
    show(get('$.value.hello')(journal.value));
    show('JOURNAL-VALUE:', journal.value); // });
    // describe('Travelling Journal Writer', () => {

    show(aLine(100));
    show(aLine(100)); // it('should still sets and gets even after a journey', () => {

    show(Writer(journal, {
      labels: ['origin: E']
    }).sets('$.bye')('Bad Code') // .get('bye')
    );
    show('************************************');
    show('JOURNAL-VALUE:', journal.value);
    show('************************************');
    journal.value.sets('$.journaledPost')({
      "timestamp": "2019-05-17T18:11:29.344Z",
      "author": "Shady Dawood"
    });
    var atom = journal.value;
    show("doing the actions via the same atom achieves monotonic version generator.next() calls");
    show(atom.gets('$.hello'));
    show(atom.gets('$.bye'));
    show(atom.gets('$.journaledPost'));
    show('JOURNAL-VALUE:', journal.value);
    show(atom.sets('$.hello')('New World'));
    show(atom.sets('$.bye')('Old World'));
    show(atom.sets('$.journaledPost')({
      "timestamp": "2019-05-17T18:14:50.344Z",
      "author": "Shady Dawood"
    }));
    show('JOURNAL-VALUE:', journal.value);
    show(atom.gets('$.hello'));
    show(atom.gets('$.bye'));
    show(atom.gets('$.journaledPost'));
    show('JOURNAL-VALUE:', journal.value); // });
    // });
  });
});