Mirage dev boilerplate

mirage.config.js

export default function() {
  this.get('users/:id');
};

mirage.factories.user.js

import { Factory, faker } from 'ember-cli-mirage';

export default Factory.extend({
  name() {
    return faker.name.findName();
  }

});

mirage.models.user.js

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

export default Model.extend({
});

mirage.scenarios.default.js

export default function(server) {
  console.log('running default');
  server.create('user');
  
}

mirage.serializers.application.js

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

export default JSONAPISerializer.extend({
});

models.user.js

import DS from 'ember-data';

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

routes.application.js

import Ember from 'ember';

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

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>
</div>

tests.acceptance.my-acceptance-test.js

import { test, module } from 'qunit';
import { setupApplicationTest } from 'ember-qunit';
import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
import { find, visit } from '@ember/test-helpers';

module('Acceptance | Users', function(hooks) {
  setupApplicationTest(hooks);
  setupMirage(hooks);

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

    await visit('/');

    assert.equal(find('.pa4').textContent.trim(), 'Welcome Link!');
  });
});

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', autoboot: false }, config.APP);
setApplication(Application.create(attributes));

start();

twiddle.json

{
  "version": "0.15.1",
  "ENV": {
    "ember-cli-mirage": {
      "enabled": true
    },
    "environment": "test"
  },
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": true
  },
  "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"
  }
}