feat: datamanager created getter

src/resources/DataManagerResource.js

@@ -6,6 +6,16 @@ import Resource from './Resource';
  * @class
  */
 export default class DataManagerResource extends Resource {
+
+  /**
+   * Will return created property.
+   *
+   * @returns {Date} the create date.
+   */
+  getCreated() {
+    return new Date(this.getProperty('created'));
+  }
+
   /**
    * Set a new value to title property.
    * @param {string} value the value to assign.

test/DataManager.test.js

@@ -162,6 +162,22 @@ describe('DataManager Resource', () => {
     resource.should.be.instanceOf(DataManagerResource);
   });
 
+  const dateGetter = [
+    'created',
+  ];
+  dateGetter.forEach((name) => {
+    it(`should call resource.getProperty with ${name}`, () => {
+      const spy = sinon.spy(resource, 'getProperty');
+
+      const property = resource[`get${capitalizeFirstLetter(name)}`]();
+      spy.should.have.been.called.once;
+      spy.should.have.been.calledWith(name);
+      property.toISOString().should.be.equal(resource.getProperty(name));
+
+      spy.restore();
+    });
+  });
+
   const functions = ['title', 'description', 'config', 'hexColor', 'locales'];
   functions.forEach((name) => {
     it(`should call resource.getProperty with ${name}`, () => {