not as hard as you think
jakubniechcial
What types of tests in Ember.js have we?
Acceptance
Integration
Unit
A test runner that makes Javascript unit testing fun.
What is test runner?
Where can my tests run?
An easy-to-use JavaScript Unit Testing framework.
What is testing framework?
Test a small piece of code and ensure that it is working
Why unit tests instead of acceptance?
When should I bother to write it?
How to do it?
Methods, computed properties, state, helpers, utilities
Create an Ember.Object, set it, execute a method and test it!
Blazing fast, helps to find edge cases, helps to reason about
Examples
Test Computed Properties
Test methods with stubs
Test components by rendering them in tests scope
Why integration tests instead of acceptance?
How do I test it?
Actions, events, rendering order.
Render the component and assert using jQuery on test's scope
Much faster, easy to maintain, don't need so many dependencies
Easy example of integration test
Tips & Tricks
Tip #1: Don't use ember test
Tip #2: Just visit http://localhost:4200/tests
Tip #3: Have opened console there and make use of debugger
Tip #4: Don't run all of the tests while working on them - use filters
Don't avoid testing in Ember.js
Don't accept not-tested code during code review
Don't know how to test? Ask on #emberjs
Behaviour & responsibilities
Using Ember in your project?
Don't miss Ember mtgs, we cover a lot of use cases
Use named functions defined on objects to handle promises
Use DDAU for model changes
Code
Avoid as much as possible using services in components (including store)
https://www.netguru.co/blog/ember-tests
https://guides.emberjs.com/v2.7.0/testing/
niechcial.me
jniechcial
By Kuba Niechcial
I am senior software developer and team leader at netguru, Poland. I work mostly with Ember.js, React and Ruby on Rails. I am passionate blogger and you can find out most of my work on my website.
