Unit Testing Sencha Applications

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1. Presented by Art Kay Unit Testing Sencha Applications
2. Who am I? !   Arthur Kay !   Solutions Engineer at Sencha, Inc. !   Longtime ExtJS fanatic !   Web developer for 10+ years !   www.akawebdesign.com !   @arthurakay
3. Sencha Chicago User Group !   Looking for: !   Speakers !   Ideas !   Giveaways !   Sponsors !   GET INVOLVED!
4. Agenda !   Overview of Unit Testing concepts !   Tools !   Overview of “Prize Patrol” !   Questions
5. Disclaimer I do not assert that this presentation: !   is how Sencha tests products internally !   is how Sencha would recommend you test your applications This is just a presentation of materials that have helped me.
6. Test Driven JS Development
7. Book http://www.tddjs.com BUY. THIS. BOOK.
8. Unit Testing !   Confidence in your code. !   Syntax !   Unit Tests !   Integration Tests
9. Code Correctness !   Correct syntax !   jslint.com
10. Unit Tests !   “Units” tested in isolation !   Setup / Teardown !   Mocks / Stubs TDD: Must write testable code!
11. Integration Tests !   Interaction with Application
12. Isn’t that a lot of work? !   Yes. !   Automation is key! !   Version control hooks !   Build process
13. Unit Testing Tools
14. JS Testing Tools !   Syntax !   JS Lint / JS Hint !   Hammer.js !   Unit Tests !   Jasmine !   JsTestDriver !   Integration Tests !   Selenium !   Phantom.js
15. Automation !   Shell scripts !   IDE plugins !   (Or something more elegant…)
16. A Sencha Touch App: Prize Patrol https://github.com/arthurakay/Prize-Patrol
17. Testing a Sencha MVC App !   MVC separates presentation from logic !   Easy to write testable “units” !   Should allow us to “drive” tests
18. Jasmine !   Testing the “testable” units !   Little or no reliance on DOM !   Sencha uses Jasmine internally
19. JsTestDriver !   Automated test suites across browsers ! IntelliJ IDE Plugin !   Command line control
20. Phantom.js !   Lint all JS files (PhantomLint) !   Execute all Unit Tests (Jasmine) !   Drive Integration Tests (Casper.js)
21. Questions