Call Route from Controller - Refresh Model

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  newFood: '',
  
  actions: {
  	testing() {
    	this.send('testingRoute', this.get('newFood'));
    }
  }
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  testModel:['tacos', 'burritos', 'ice cream'],
  model() {
    return this.get('testModel');
  },
  
  actions: {
  	testingRoute(newFood) {
      // Make db call to persist model from here if necessary
      this.get('testModel').pushObject(newFood);
      //this.refresh();
    }
  }
});

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

<label>Enter New Food</label>
{{input type="text" value=newFood}}

<ul>
{{#each model as |food|}}
<li>{{food}}</li>
{{/each}}
</ul>

<button {{action 'testing'}}>Call route method from template</button>

twiddle.json

{
  "version": "0.13.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}