Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Test driven JavaScript

Alexander Beletsky
November 17, 2012
Programming
3
830

Test driven JavaScript

The slides from master class I did on XP Days 2012

Alexander Beletsky

November 17, 2012
Tweet

More Decks by Alexander Beletsky

See All by Alexander Beletsky
Snapshot Testing: Going beyond UI
alexbeletsky
1
620
Tech Culture in Startups
alexbeletsky
0
190
TDD in JavaScript
alexbeletsky
4
840
This is Node.js
alexbeletsky
10
410
Likeastore
alexbeletsky
3
130
PaaS in your pocker with Dokku
alexbeletsky
7
2.5k
Building Single Page Applications
alexbeletsky
9
5.3k
.NET developer in JavaScript world
alexbeletsky
1
2.8k
How to write good tests?
alexbeletsky
2
300

Other Decks in Programming

See All in Programming
Thank you <💅>, What's the Next?
ahoxa
1
160
エンジニア未経験が最短で戦力になるためのTips
gokana
0
280
Road to RubyKaigi: Making Tinny Chiptunes with Ruby
makicamel
4
190
リアルタイムレイトレーシング + ニューラルレンダリング簡単紹介 / Real-Time Ray Tracing & Neural Rendering: A Quick Introduction (2025)
shocker_0x15
1
310
Fiber Scheduler vs. General-Purpose Parallel Client
hayaokimura
1
100
Vibe Coding の話をしよう
schroneko
2
770
タイムゾーンの奥地は思ったよりも闇深いかもしれない
suguruooki
1
670
メモリウォールを超えて：キャッシュメモリ技術の進歩
kawayu
0
1.9k
Ruby's Line Breaks
yui_knk
2
1k
Strategic Design (DDD) for the Frontend @DDD Meetup Stuttgart
manfredsteyer
PRO
0
150
The Evolution of the CRuby Build System
kateinoigakukun
0
700
PHPで書いたAPIをGoに書き換えてみた 〜パフォーマンス改善の可能性を探る実験レポート〜
koguuum
0
160

Featured

See All Featured
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
8
660
Code Review Best Practice
trishagee
67
18k
Visualization
eitanlees
146
16k
Faster Mobile Websites
deanohume
306
31k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.5k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
47
5.3k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
29
9.4k
Large-scale JavaScript Application Architecture
addyosmani
512
110k
Designing for humans not robots
tammielis
252
25k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
34
2.2k
Being A Developer After 40
akosma
91
590k
Building Better People: How to give real-time feedback that sticks.
wjessup
367
19k

Transcript

  1. TEST DRIVEN JAVASCRIPT Show & Talk

  2. None

  3. >5 years of programming C# for fun and profit

  4. >5 years of practicing TDD

  5. “No line of production code without unit test “ rule

    that worked perfect for me during .NET programming

  6. But it FAILED miserably that I started JavaScript programming

  7. None

  8. > Reason 1 JavaScript code seems to be small and

    easy

  9. > Reason 2 Leaving comfort zone is always hard

  10. > Reason 3 DOM appears to be not testable at

    first glance
  11. None

  12. Frameworks && Tools

  13. qUnit, Jasmine, Mocha

  14. Testing business logic

  15. Testing UI/DOM code

  16. Mocking/Spying on objects

  17. Testing AJAX-dependent code

  18. Continuous Testing with LiveReload

  19. Final recommendations: 1. Don't be afraid to start testing. 2.

    Baby steps practice works. 3. Use MV* frameworks.

  20. Thanks, @alexbeletsky