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

TDD in JavaScript

Avatar for Alexander Beletsky Alexander Beletsky
July 15, 2014
Programming
4
860

TDD in JavaScript

The slides I use for introduction to TDD course.

Avatar for Alexander Beletsky

Alexander Beletsky

July 15, 2014
Tweet

More Decks by Alexander Beletsky

See All by Alexander Beletsky
Snapshot Testing: Going beyond UI
Avatar for Alexander Beletsky alexbeletsky
1
690
Tech Culture in Startups
Avatar for Alexander Beletsky alexbeletsky
0
240
This is Node.js
Avatar for Alexander Beletsky alexbeletsky
10
450
Likeastore
Avatar for Alexander Beletsky alexbeletsky
3
140
PaaS in your pocker with Dokku
Avatar for Alexander Beletsky alexbeletsky
7
2.6k
Building Single Page Applications
Avatar for Alexander Beletsky alexbeletsky
9
5.5k
.NET developer in JavaScript world
Avatar for Alexander Beletsky alexbeletsky
1
2.9k
How to write good tests?
Avatar for Alexander Beletsky alexbeletsky
2
330
Dynamic web development with Oak
Avatar for Alexander Beletsky alexbeletsky
1
620

Other Decks in Programming

See All in Programming
Go 1.26でのsliceのメモリアロケーション最適化 / Go 1.26 リリースパーティ #go126party
Avatar for mazrean mazrean
1
420
API Platformを活用したPHPによる本格的なWeb API開発 / api-platform-book-intro
Avatar for Takashi Kanemoto ttskch
1
150
今からFlash開発できるわけないじゃん、ムリムリ! (※ムリじゃなかった!?)
Avatar for Sora Arakawa arkw
0
120
PHP 7.4でもOpenTelemetryゼロコード計装がしたい！ / PHPerKaigi 2026
Avatar for Arthur arthur1
1
130
RubyとGoでゼロから作る証券システム： 高信頼性が求められるシステムのコードの外側にある設計と運用のリアル
Avatar for free_world21 free_world21
0
310
米国のサイバーセキュリティタイムラインと見る Goの暗号パッケージの進化
Avatar for tom twinkle tomtwinkle
2
610
Codex の「自走力」を高める
Avatar for yorifuji yorifuji
0
1.2k
Go Conference mini in Sendai 2026 : Goに新機能を提案し実装されるまでのフロー徹底解説
Avatar for Takahito Yamatoya yamatoya
0
610
AI 開発合宿を通して得た学び
Avatar for ニフティ株式会社 niftycorp
PRO
0
150
モダンOBSプラグイン開発
Avatar for Kaito Udagawa umireon
0
160
Agentic AI: Evolution oder Revolution
Avatar for Lars Roewekamp mobilelarson
PRO
0
190
Linux Kernelの1文字のミスで 権限昇格ができた話
Avatar for rona rqda
0
1.9k

Featured

See All Featured
DBのスキルで生き残る技術 - AI時代におけるテーブル設計の勘所
Avatar for soudai sone soudai
PRO
64
52k
How Fast Is Fast Enough? [PerfNow 2025]
Avatar for Tammy Everts tammyeverts
3
490
Automating Front-end Workflow
Avatar for Addy Osmani addyosmani
1370
200k
Darren the Foodie - Storyboard
Avatar for Kevinho.art khoart
PRO
3
2.9k
Visualization
Avatar for Eitan Lees eitanlees
150
17k
Building AI with AI
Avatar for Ines Montani inesmontani
PRO
1
800
Navigating the moral maze — ethical principles for Al-driven product design
Avatar for Skipper Chong Warson skipperchong
2
290
Rebuilding a faster, lazier Slack
Avatar for samanthasiow samanthasiow
85
9.4k
Git: the NoSQL Database
Avatar for Brandon Keepers bkeepers
PRO
432
66k
Scaling GitHub
Avatar for Zach Holman holman
464
140k
The SEO Collaboration Effect
Avatar for Kristina Bergwall kristinabergwall1
0
400
Neural Spatial Audio Processing for Sound Field Analysis and Control
Avatar for NII S. Koyama's Lab skoyamalab
0
220

Transcript

  1. Test Driven .JS

  2. [email protected] http://beletsky.net http://twitter.com/alexbeletsky

  3. What are we going to do?

  4. What are we going to do? • prepare the environment

  5. What are we going to do? • prepare the environment

    • have TDD intro

  6. What are we going to do? • prepare the environment

    • have TDD intro • practice the basic skills

  7. What are we going to do? • prepare the environment

    • have TDD intro • practice the basic skills • discuss and have fun!

  8. Development environment • node.js (npm) ~ 0.10.x • git ~

    1.8.x • Chrome / Firefox / IE • Sublime Text (Web Storm, Notepad)

  9. What the heck is TDD?

  10. None

  11. The Three Laws of TDD • No production code without

    test • No more unit test sufficient to fall • No more production code sufficient to pass

  12. But Why?

  13. Less bugs, more speed

  14. Regression stability

  15. Safe(r) refactoring

  16. Test Driven Design

  17. Team / Code culture

  18. FUN :)

  19. TDD is all about discipline

  20. :shu :ha :ri

  21. Let’s get STARTED..