testing-serializers-david-tang

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

models.cat.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

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

serializers.cat.js

export default DS.RESTSerializer.extend({
  serialize(snapshot) {
    return {
      cats: [
        { name: snapshot.attr('name') }
      ]
    };
  },
  serializeIntoHash(data, type, record, options) {
    delete data.cat;
    Ember.merge(data, this.serialize(record, options));
  }
});

templates.application.hbs

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

tests.helpers.destroy-app.js

import Ember from 'ember';

export default function destroyApp(application) {
  Ember.run(application, 'destroy');
}

tests.helpers.resolver.js

import Resolver from '../../resolver';
import config from '../../config/environment';

const resolver = Resolver.create();

resolver.namespace = {
  modulePrefix: config.modulePrefix,
  podModulePrefix: config.podModulePrefix
};

export default resolver;

tests.helpers.start-app.js

import Ember from 'ember';
import Application from '../../app';
import config from '../../config/environment';

const { run } = Ember;
const assign = Ember.assign || Ember.merge;

export default function startApp(attrs) {
  let application;

  let attributes = assign({rootElement: "#test-root"}, config.APP);
  attributes = assign(attributes, attrs); // use defaults, but you can override;

  run(() => {
    application = Application.create(attributes);
    application.setupForTesting();
    application.injectTestHelpers();
  });

  return application;
}

tests.test-helper.js

import resolver from './helpers/resolver';
import {
  setResolver
} from 'ember-qunit';

setResolver(resolver);

tests.unit.serializers.cat-test.js

import { moduleForModel, test } from 'ember-qunit';
//import Pretender from 'pretender';

moduleForModel('cat', 'Unit | Serializer | cat', {
  needs: ['serializer:cat', 'model:cat']
//  beforeEach() {
//    this.server = new Pretender(function() {
//      this.post('/cats', function() {
//        // default RESTSerializer response format
//        // so that the promise from save() resolves
//        let response = {
//          cat: { id: 1, name: 'Frisky' }
//        };
//
//        return [ 200, {}, JSON.stringify(response) ];
//      });
//    });
//  },
//  afterEach() {
//    this.server.shutdown();
//  }
});

test('save() sends the data formatted correctly', function(assert) {
  assert.expect(1);
  let store = this.store();

  Ember.run(() => {
    let cat = store.createRecord('cat', {
      name: 'Frisky'
    });

    cat.save().then(() => {
      assert.equal({},{});
//      let [ request ] = this.server.handledRequests;
//      let requestPayload = JSON.parse(request.requestBody);
//      assert.deepEqual(requestPayload, {
//        cats: [
//          { name: 'Frisky' }
//        ]
//      });
    });
  });
});

twiddle.json

{
  "version": "0.10.5",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": true
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.7.3",
    "ember-data": "2.7.0",
    "ember-template-compiler": "2.7.3",
    "ember-testing": "2.7.3"
  },
  "addons": {}
}