Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
TDDの練習 Coding Kata の実践
Search
Sponsored
·
SiteGround - Reliable hosting with speed, security, and support you can count on.
→
hakobe (Yohei Fushii)
April 19, 2014
Programming
1.4k
0
Share
TDDの練習 Coding Kata の実践
hakobe (Yohei Fushii)
April 19, 2014
More Decks by hakobe (Yohei Fushii)
See All by hakobe (Yohei Fushii)
はてなにおけるプログラミング言語の歴史とこれから
hakobe
0
780
ざっとわかるPython
hakobe
4
7k
はてなで一人前のエンジニアになる方法
hakobe
3
7k
契約による設計の紹介
hakobe
6
21k
アクターによる 並行処理アプケーション アーキテクチャ
hakobe
4
3.5k
Scala In Perl Company
hakobe
11
12k
なめらかにGHEに移行する方法
hakobe
19
7.9k
開発フロー@はてなブックマーク
hakobe
0
180
Git on WebApp with Perl
hakobe
1
3.9k
Other Decks in Programming
See All in Programming
10 Tips of AWS ~Gen AI on AWS~
licux
5
390
Xdebug と IDE による デバッグ実行の仕組みを見る / Exploring-How-Debugging-Works-with-Xdebug-and-an-IDE
shin1x1
0
380
AIエージェントで業務改善してみた
taku271
0
520
mruby on C#: From VM Implementation to Game Scripting (RubyKaigi 2026)
hadashia
2
350
Don't Prompt Harder, Structure Better
kitasuke
0
760
SREに優しいTerraform構成 modulesとstateの組み方
hiyanger
2
130
VueエンジニアがReactを触って感じた_設計の違い
koukimiura
0
170
書籍「ユーザーストーリーマッピング」が私のバイブル
asumikam
3
330
L’IA au service des devs : Anatomie d'un assistant de Code Review
toham
0
250
アクセシビリティ試験の"その後"を仕組み化する
yuuumiravy
0
150
セグメントとターゲットを意識するプロポーザルの書き方 〜採択の鍵は、誰に刺すかを見極めるマーケティング戦略にある〜
m3m0r7
PRO
0
530
3分でわかるatama plusのQA/about atama plus QA
atamaplus
0
170
Featured
See All Featured
Collaborative Software Design: How to facilitate domain modelling decisions
baasie
0
200
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
55
3.3k
The Power of CSS Pseudo Elements
geoffreycrofte
82
6.2k
Six Lessons from altMBA
skipperchong
29
4.2k
Designing for Performance
lara
611
70k
Evolving SEO for Evolving Search Engines
ryanjones
0
180
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
35
3.4k
Paper Plane (Part 1)
katiecoart
PRO
0
6.6k
Self-Hosted WebAssembly Runtime for Runtime-Neutral Checkpoint/Restore in Edge–Cloud Continuum
chikuwait
0
490
How to Get Subject Matter Experts Bought In and Actively Contributing to SEO & PR Initiatives.
livdayseo
0
100
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
17k
SEO Brein meetup: CTRL+C is not how to scale international SEO
lindahogenes
1
2.6k
Transcript
Coding Kata TDD practice with
hakobe hatena: id:hakobe932 twitter: @hakobe github: @hakobe
TDD Test Driven Developement
–Robert C. Martin “ཁ͢ΔʹTDDϓϩͷબͳͷͩɻ ࣮֬ੑɾܽؕࠞೖͷԼɾ༐ؾɾ υΩϡϝϯτɾઃܭΛଅਐ͢Δنͩɻ”
ϓϩͳΒTDDΛ͏
TDDͷࡾݪଇ 1. ࣦഊ͢ΔςετΛॻ͘·Ͱ ϓϩμΫγϣϯίʔυΛॻ͔ͳ͍ 2. ࣦഊͤ͞ΔతҎ֎ͰςετΛॻ͔ͳ͍ 3. ࣦഊ͢Δςετ͕ޭ͢Δ·Ͱ ଞͷϓϩμΫγϣϯίʔυΛॻ͔ͳ͍
Red Green Refactoring TDDͷ αΠΫϧ
࣮ફͰ͖ͯΔ? •͡ΊʹςετΛॻ͘บͰ͖ͯΔ? •͏·͘αΠΫϧΛ·ΘͤͯΔ? •ςετॻ͘ͷ͍͠෦ॻ͚Δ? •Fake It / Obvious Implementation /
Triangulation ͏·͘Ͱ͖ͯΔ?
࿅श
Coding Kata
Coding Kata ۭखͷܕʹͳͧΒ͑ͨɺϓϩάϥϛϯάͷ࿅शํ๏ɻ ! جຊతͳ՝Λ܁Γฦ͠࿅श͢Δ͜ͱͰɺ TDDͷΑ͏ͳنɺΤσΟλͷૢ࡞ํ๏ɺ Α͋͘ΔͷղܾखॱͳͲΛମʹછΈࠐ·ͤΔɻ
ϘϦϯάήʔϜ ‣10ϑϨʔϜ x ࠷େ 2 ͯ͠ 10 ݸͷϐϯΛ͢ ‣ετϥΠΫ Ϙʔφε:
࣍ͷ 2 ͷͨ͠ϐϯ ‣εϖΞ Ϙʔφε: ࣍ͷ 1 ͷͨ͠ϐϯ ‣10ϑϨʔϜ εϖΞ͔ετϥΠΫ͕ग़ͨΒ࠷େ3Ͱ͖Δ
ཁٻ༷ •roll(pins: Int) ϓϨΠϠʔ͕ϘʔϧΛ͛ͨ࣌ʹݺΕΔɻ Ҿͨ͠ϐϯɻ •score(): Int ͜ͷήʔϜͷείΞΛฦ͢ Game +
roll(pins: Int) + score(): Int
࣮ԋ Scala/spec2/IntelliJ/sbt
·ͱΊ • TDDϓϩͷश׳ • Coding KataͰ࿅शͯ͠ʹ͚ͭΑ͏ ࣮ࡍ͏·͍ͬͯ͘Δ? - TDDͷϦζϜ͕ʹͭ͘ -
։ൃڥྑ͘ͳΔ - ϓϩάϥϛϯάݴޠͷػೳΛֶΔ
ࢀߟจݙ • ΞδϟΠϧιϑτΣΞ։ൃͷԞٛ (ISBN: 978-4797347784) • εεϖοΫͷε ʲୈ 1 ճʳ
RSpec ͷ֓ཁ ͱɺRSpec on Rails (Ϟσϧฤ) ( http://magazine.rubyist.net/?0021-Rspec ) • ͜ͷൃදͷαϯϓϧίʔυ ( https:// github.com/hakobe/coding-kata-bowling )