ember data issue 4906

adapters.application.js

import Adapter from "ember-data/adapters/rest";

export default Adapter.extend();

initializers.pretender.js

export function returnJSON(status, body) {
  return json(...arguments);
};

export function json(status, body) {
  if (arguments.length === 1) {
    body = status;
    status = 200;
  }
  
  return [
    status,
    { "Content-Type": "application/json" },
    JSON.stringify(body)
  ];
};

export const server = new Pretender();

export function initialize() {
  server.handledRequest = function(verb, path, request) {
    console.log(`handled request to ${verb} ${path}`);
  }

  server.unhandledRequest = function(verb, path, request) {
    console.log(`undhandled request ${verb} ${path}`);
  }
};

export default {
  name: 'pretender',
  initialize
};

models.team.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: DS.attr('string'),

    // projects: DS.hasMany('project'),
    users: DS.hasMany('user'),
    members: Ember.computed('users', function() {
      return this.get('users.content.length');
    }),
    leader: DS.belongsTo('user', {
      inverse: 'team'
    })
});

models.user.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()
});

routes.application.js

import Ember from 'ember';
import { server, json } from '../initializers/pretender';

server.map(function() {
  this.get('/teams', function() {
    return json({
      teams: [
        { 
          id: 1, 
          name: 'team 1',
          users: [{
            id: 1,
            name: 'Tom Sawyer',            
          }]
         },
      ],
    });
  });
});

export default Ember.Route.extend({
  model: function() {
    return this.get('store').findAll('team');
  }
});

serializers.application.js

import Serializer from "ember-data/serializers/rest";
import DS from 'ember-data';

export default Serializer;

serializers.team.js

import Serializer from "ember-data/serializers/rest";
import DS from 'ember-data';

export default Serializer.extend(DS.EmbeddedRecordsMixin, { 
  attrs: { 
    users: { embedded: "always" }, 
    // projects: { async: true } 
  } 
});

templates.application.hbs

<h2>My Library</h2>
<hr>
{{outlet}}

{{#each model as |team| }}
  <section>
    <h3>{{team.name}}</h3>

    <ul>
      {{#each team.users as |user|}}
        <li>{{user.name}}</li>
      {{/each}}
    </ul>
  </section>
{{/each}}

twiddle.json

{
  "version": "0.10.4",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "release",
    "ember-data": "release",
    "ember-template-compiler": "release",
    "route-recognizer": "https://rawgit.com/tildeio/route-recognizer/56f5fcec6ae58d8e86b5dc77609809fb91198142/dist/route-recognizer.js",
    "FakeXMLHttpRequest": "https://rawgit.com/pretenderjs/FakeXMLHttpRequest/23c3a96b5b24f1bfe595867437e4f128a29c2840/fake_xml_http_request.js",
    "pretender": "https://rawgit.com/pretenderjs/pretender/c6de9afe18b1472aded2592f5a80ad9a26a0e262/pretender.js"
  },
  "addons": {}
}