1.
Testing JavaScript
© 2013 Eric Wendelin
@eriwen

2.
Eric Wendelin
Blog: eriwen.com
Twitter: @eriwen
Code: git.io/eric

3.
Today, we’ll talk about
• What makes JS testing hard
• A few ways we can make our JS more
testable
• Some tools that make testing easier

4.
Why is testing your
JavaScript important?

5.
The community is
behind in testing

6.
Why is JavaScript so
hard to test?

7.
Un-testable JS is
most of the problem

8.
Don’t do this!
Do this!

9.
Use with caution!
Better!

10.
Don’t do this!
Do this!

11.
Don’t do this!
Do this!

12.
Don’t do this!
Do this!

13.
Writing Tests

14.
1 unit test framework +
1 functional test framework
= Infinite Pocket Bacon

15.
Logic / Computation
unit test

16.
Computation Example

17.
User Interaction
functional test

18.
Interaction Example

19.
sinon.js
sinonjs.org

20.
sinon.js goodies
• Jasmine Adapter
• QUnit Adapter
• Mocha Adapter
• Buster.js Adapter
• Chai-specific matchers
• Jasmine matchers
• ... much more

21.
ember-testing
/ember.js/packages/ember-testing

22.
Karma
karma-runner.github.io

23.
{F*** IT! WE’LL
DO IT LIVE!}

24.
culture of testing

25.
Code at: git.io/eric
Blog: eriwen.com
Twitter: @eriwen