test

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({

  appName:'Component Life-cycle Hooks'
  
});

application.template.hbs

<h1>{{appName}}</h1>
{{life-cycles}}

life-cycles.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  actionProp: null,
  willUpdateProp: null,
  didUpdateProp: null,
  
  willUpdate() {
    let myProp = this.get('myProp');
    console.log('willUpdate');
    this.set('willUpdateProp', 'Green');
  },
  
  didUpdate() {
    let myProp = this.get('myProp');
    console.log('didUpdate');
    this.set('didUpdateProp', 'Red');
  }
  
});

life-cycles.template.hbs

<h3>Internal Props</h3>
<p>actionProp: {{actionProp}}</p>
<p>willUpdateProp: {{willUpdateProp}}</p>
<p>didUpdateProp: {{didUpdateProp}}</p>

<div>
	<button onclick={{action (mut actionProp) "Blue"}}>Set Prop</button>
</div>

twiddle.json

{
  "version": "0.4.16",
  "EmberENV": {
    "FEATURES": {}
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.1.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember-template-compiler.js"
  }
}