DS.Errors Test

models.thing.js

import DS from 'ember-data';
const { Model, attr } = DS;

export default Model.extend({
  name: attr('string'),
  age: attr('string')
});

router.js

import Ember from 'ember';
var Router = Ember.Router.extend({
  location: 'none'
});

Router.map(function() {
});

export default Router;

routes.application.js

import Ember from 'ember';
const { Route, inject, run } = Ember;

export default Route.extend({
  store: inject.service(),
  
  model() {
    let store = this.get('store');
    let model = store.createRecord('thing');
    let addErrors = this.addErrors.bind(this);
    
    model.transitionTo('loaded.saved');
    
    return { model, addErrors };
  },
  
  addErrors() {
    let model = this.get('currentModel.model');
    let errors = model.get('errors');
    
    model.transitionTo('loaded.updated.uncommitted');
    errors.add('name', 'invalid name');
    errors.add('age', 'invalid age');
  }
});

styles.app.css

body { margin: 12px 16px }

templates.application.hbs

<pre>
<b>model.currentState.stateName:</b>
{{model.model.currentState.stateName}}

<b>model.errors.messages:</b>
{{#each model.model.errors.messages as |message|}}
{{message}}
{{else}}
none
{{/each}}

<button onclick={{addErrors}}>Add Errors</button>
</pre>