Bug Ember Mirage

adapters.user.js

import DS from 'ember-data';

export default DS.JSONAPIAdapter.extend({
  urlForQueryRecord(query) {
    if (query.type === "next") {
      const id = query.id;
      
      delete query.type;
      delete query.id;
      
      return `/users/${id}/next`;
    }
    
    return this._super(...arguments);
  }
});

mirage.config.js

export default function() {
  window.server = this;
  this.get('users/:id');
  
  this.get('users/:id/next', ({ users, posts }, request) => {
    const user = users.find(request.params.id);
    
    const currentPosition = user.featuredPost.position
    
    const firstPost = posts.findBy({position: currentPosition, userId: user.id});
    const secondPost = posts.findBy({position: currentPosition + 1, userId: user.id});
    
    firstPost.update("position", currentPosition + 1);
    secondPost.update("position", currentPosition + 2); 
    
    return user;
  });
};

mirage.fixtures.posts.js

export default [
  { id: 1, position: 1, userId:1, title: "Something id 1" },
  { id: 2, position: 2, userId:1, title: "Something id 2" }
]

mirage.fixtures.users.js

export default [
  { id:1, name: 'Link', featuredPostId: 1, postIds: [1,2] }
]

mirage.models.post.js

import { Model, belongsTo, hasMany } from 'ember-cli-mirage';

export default Model.extend({
  user: belongsTo(),
  featuredUser: belongsTo('user', { inverse: 'featuredPost' })
});

mirage.models.user.js

import { Model, hasMany, belongsTo } from 'ember-cli-mirage';

export default Model.extend({
  posts: hasMany(),
  featuredPost: belongsTo('post', { inverse: 'featuredUser' })
});

mirage.scenarios.default.js

export default function(server) { 
  server.loadFixtures('users');
  server.loadFixtures('posts');
}

mirage.serializers.application.js

import { JSONAPISerializer } from 'ember-cli-mirage';

export default JSONAPISerializer.extend({
});

models.post.js

import DS from 'ember-data';

export default DS.Model.extend({
  title: DS.attr(),
  user: DS.belongsTo(),
  featuredUser: DS.belongsTo('user', { inverse: 'featuredPost' }),
  position: DS.attr('number')
});

models.user.js

import DS from 'ember-data';

export default DS.Model.extend({
  name: DS.attr(),
  posts: DS.hasMany(),
  featuredPost: DS.belongsTo('post', { inverse: 'featuredUser' })
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  
  model() {
    return this.store.findRecord('user', 1, {
      include: 'posts,featuredPost'
    });
  },
  
  actions: {
    changePosition() {
      this.store.queryRecord('user', {
        id: 1,
        type: 'next',
        include: 'posts'
      });
    }
  }
});

routes.index.js

import Ember from 'ember';

export default Ember.Route.extend({
  
  model() {
    return this.store.findRecord('user', 1);
  }
  
  
});

styles.app.css

body {
  margin: 0;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

h1 {
  font-size: 12px;
  font-weight: bold;
  text-align: center;
  text-shadow: none;
  background: #2e4068;
  color: white;
  padding: 20px;
  margin: 0;
  text-transform: uppercase;
}

p {
  font-weight: normal;
}

.pa4 {
  padding: 20px;
}

templates.application.hbs

<h1>Mirage boilerplate</h1>

<div class='pa4'>
  <p>Welcome <strong>{{model.name}}</strong>!</p>
  
  <p>featured post: <strong>{{model.featuredPost.title}}</strong></p>
  
  <ul>
  {{#each model.posts as |post|}}
    <li>{{post.title}} — {{post.position}}</li>
  {{/each}}
  </ul>
  
  <button {{action 'changePosition'}}>Change position</button>
</div>

tests.acceptance.my-acceptance-test.js

import { test } from 'qunit';
import moduleForAcceptance from '../../tests/helpers/module-for-acceptance';

moduleForAcceptance('Acceptance | Users');

test('I can see the users', function(assert) {
  server.create('user', { name: 'Link' });
  
  visit('/');
  //pauseTest();

  andThen(function() {
    assert.ok(true);
    debugger;
    assert.ok(find(':contains(Welcome Link!)').length);
  });
});

tests.helpers.destroy-app.js

import { run } from '@ember/runloop';

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

tests.helpers.module-for-acceptance.js

import { module } from 'qunit';
import { resolve } from 'rsvp';
import startApp from '../helpers/start-app';
import destroyApp from '../helpers/destroy-app';

export default function(name, options = {}) {
  module(name, {
    beforeEach() {
      this.application = startApp();

      if (options.beforeEach) {
        return options.beforeEach.apply(this, arguments);
      }
    },

    afterEach() {
      let afterEach = options.afterEach && options.afterEach.apply(this, arguments);
      return resolve(afterEach).then(() => destroyApp(this.application));
    }
  });
}

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.autoboot = true;
  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 Application from '../app';
import config from '../config/environment';
import { setApplication } from '@ember/test-helpers';
import { start } from 'ember-qunit';
import { assign } from '@ember/polyfills';

let attributes = assign({ rootElement: '#main' }, config.APP);
setApplication(Application.create(attributes));

start();

twiddle.json

{
  "version": "0.15.1",
  "ENV": {
    "ember-cli-mirage": {
      "enabled": true
    }
  },
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "2.16.3",
    "ember-cli-mirage": "0.4.9"
  }
}