Ember + Rails + Capybara = <3

Robert talks about full stack testing Ember.js and Rails using Capybara at the Ember.js Berlin Meetup on 2017-03-07 at Ahoy!

Transcript

1. Ember + Rails + Capybara = ❤ Robert Schäfer @roschaefer
2. EmberJS Rails Acceptance *against Mirage Requests, API Capybara Full Stack Controllers Integration Components Unit Controllers, Helpers, Models, Routes Models, Mailers, Routing
3. Specification by example
5. My favourite vegetable ★ executable documentation ★ always up-to-date ★ natural language
6. User story template @42 Feature: <github-issue> As a <role> I want to <action> In order to <benefit>
7. Feature: Full stack testing with Ember and Rails As a developer who gives a talk I want to show a secret to registered users only In order to give a valid use case for full stack testing Background: Given the backend knows the answer And only registered users have access to it Scenario: Given I am logged in When I visit the landing page Then I can see a message: """ The answer is 42 """
8. Set up Capybara features/support/env.rb 1. Start Ember and Rails servers 2. Load the Rails environment 3. Tell capybara to watch localhost:4200 4. Rock’n Roll!
9. Live Demo #1
10. Sometimes difficult to set up and maintain
11. External requests
12. Frontend Backend 1. Authentication 2. Encrypted JW T Token 3. Request (JWT in header) 5. Authorized response 4. Decrypt JWT token
13. Live Demo #2
14. EmberJS Rails Acceptance *against Mirage Requests, API Capybara Full Stack Controllers Integration Components Unit Controllers, Helpers, Models, Routes Models, Mailers, Routing
15. Truth EmberJS 3:30 min total Rails 2:42 min total Acceptance 0 ember-only acceptance tests 62 examples 16 seconds 48 scenarios, 280 steps 4:30 min (+ 6 min setup) Full Stack 11 examples 1 second Integration 72 assertions 2 seconds Unit 142 assertions 2 seconds 69 examples 1 second
16. Questions? roschaefer/rundfunk-mitbestimmen
17. Rundfunk MITBESTIMMEN
18. broadcasting fees every year 8,000,000,000 €
19. source: mdr.de
20. Why do I have to pay and don’t get a say?
21. Show your appreciation (=fees) for broadcasts through a web-app - and provide the data for a better TV/Radio rating
22. “What you do is politically explosive” - Heiko Hilker, member of MDR broadcasting board since 1997
23. rundfunk-mitbestimmen.de Thanks