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
My_TDD.pdf
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
Masafumi Okura
February 11, 2020
Programming
97
0
Share
My_TDD.pdf
Masafumi Okura
February 11, 2020
More Decks by Masafumi Okura
See All by Masafumi Okura
Metaprogramming isn't real, it can't hurt you
okuramasafumi
0
160
Developing static sites with Ruby
okuramasafumi
1
430
Why doesn't Ruby have Boolean class - final version
okuramasafumi
0
400
Reading Rails 1.0 Source Code
okuramasafumi
0
370
RDoc meets YARD
okuramasafumi
4
250
Why doesn't Ruby have Boolean class?
okuramasafumi
0
55
My KaigiEffect at RubyKaigi 2025, part 1
okuramasafumi
1
110
Writing documentation can be fun with plugin system
okuramasafumi
0
270
Alba: Why, How and What's So Interesting
okuramasafumi
0
520
Other Decks in Programming
See All in Programming
[BalkanRuby 2026] Drop your app/services!
palkan
3
680
サーバーレスで作る、動画データ管理基盤
oyasumipants
0
260
Agentic UI beyond Chats Architecture Patterns & Open Standards @ngMunich 05/2026
manfredsteyer
PRO
0
140
バックエンドにElysiaJSを採用して気付いた、良い点・悪い点
wanko_it
1
170
Moments When Things Go Wrong
aurimas
3
110
色即是空、空即是色、データサイエンス
kamoneggi
1
160
誰も頼んでない機能を出荷した話
zekutax
0
130
~ 秘伝のタレ化した『神スプシ』と戦う ~ 関数型パラダイムで壊れない仕組みへ
h0r15h0
1
130
密結合なバックエンドから TypeScript のコードを生成する
kemuridama
1
340
oxlintはeslint/typescript-eslintを置き換えられるのか
shomafujita
2
210
CSC307 Lecture 17
javiergs
PRO
0
240
Kubernetesを使わない環境にもCloud Nativeなデプロイを実現する / Enabling Cloud Native deployments without the complexity of Kubernetes
linyows
3
550
Featured
See All Featured
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
141
35k
sira's awesome portfolio website redesign presentation
elsirapls
0
250
Building Flexible Design Systems
yeseniaperezcruz
330
40k
Self-Hosted WebAssembly Runtime for Runtime-Neutral Checkpoint/Restore in Edge–Cloud Continuum
chikuwait
0
540
The Straight Up "How To Draw Better" Workshop
denniskardys
239
140k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
11
920
How to Grow Your eCommerce with AI & Automation
katarinadahlin
PRO
1
190
Game over? The fight for quality and originality in the time of robots
wayneb77
1
180
Jamie Indigo - Trashchat’s Guide to Black Boxes: Technical SEO Tactics for LLMs
techseoconnect
PRO
0
140
We Analyzed 250 Million AI Search Results: Here's What I Found
joshbly
1
1.3k
How to Build an AI Search Optimization Roadmap - Criteria and Steps to Take #SEOIRL
aleyda
1
2.1k
Transcript
My TDD Speaker: େխ࢙ Event: େߐށRubyձٞ08 Date: 2020-02-11
ϝλ • εϥΠυຕɿ44ຕ • ൃද࣌ؒɿ20 • σϞɿ༗Γ
okuramasafumi.inspect • ໊લɿେխ࢙ • ॴଐɿϑϦʔϥϯε • ίϛϡχςΟɿGrow.rbओ࠵ɺͦͷଞଟࢀՃ • Rubyྺɿ7 •
झຯɿϓϩάϥϛϯάɺొஃɺᘖᘣɺӳޠ
࣍ 1. My TDD (first part) 2. My gem 3.
My TDD (second part) 4. ࠂ
1. My TDD (first part)
झຯɿϓϩάϥϛϯά
ϓϩάϥϛϯάָ͍͠
Ͱɺଞʹ༠͕ଟ͍
ͦ͜Ͱ…
TDD ➡
TDD ➡ Todan Driven Development
झຯɿొஃ
ࣗͷ࡞ΔιϑτΣΞʹ͍ͭͯൃද͢Δ ͜ͱͰ։ൃʹϓϨογϟʔΛ͔͚Δ
ࠓͷॴͱͯޮՌ͕͋Δ
͜Ε͕ࢲͷTDD
༨ஊɿ ඈߦػ৽װઢͷத࠷ߴͷϓϩάϥϛϯ άڥ
༨ஊͷ༨ஊɿ ࠓطʹ৽װઢʹ1ճͱඈߦػʹ2ճͬ ͍ͯ·͢ɻ͍ͩͿḿΓ·ͨ͠ɻ
͞Βʹ༨ஊɿ ։ൃΛਐΊΔͨΊͷख๏ͱͯ͠ɺTODO͕ ࣌ݶരʹͳΔΑ͏ͳgemΛॻ͍͍ͯΔਓ ͕͍·ͨ͠Ͷʢૉఢʣ
༨ஊऴΘΓ
ࠓ͍͑ͨ͜ͱͦͷұ • ϓϩάϥϛϯάָ͍͠ • ొஃָ͍͠ • Έ߹ΘͤͨΒ࠷ڧͰʁ • ΈΜͳͲΜͲΜొஃͯ͠ͲΜͲΜίʔυॻ͜͏
ͰɺԿΛ࡞͍ͬͯΔΜͰ͔͢ʁ
2. My gem
JSONγϦΞϥΠβΛ࡞͍ͬͯ·͢ɻ
طଘͷJSONγϦΞϥΠβͷ͜ͱ • jbuilderɿ͍ɺDSL݁ߏ͍͠ • ActiveModelSerializersɿϝϯς͞ΕͯΔͷ͔Θ͔Βͳ͍ɺ ෦ߏෳࡶɺ͋·Γ͘ͳ͍ • fast_jsonapiɿ͍͚ͲJSON:APIܗ͔ࣜ͠αϙʔτ͠ͳ͍
γϯϓϧͰɺϝϯς͕؆୯Ͱɺ DSL͕֮͑ͯ͘͢ɺ͍ͦͦ͜͜ɺ JSONγϦΞϥΠβΛ࡞Γ͍ͨʂ
Alba https://github.com/okuramasafumi/alba
0.1.0૬ͷͷ͕Ͱ͖ͨؾ͕͍ͯ͠·͢
ͳͷͰɺϦϦʔε͠·͢
Albaͷػೳʢࠓ࣌ʣ • JSONͷϧʔτΩʔΛઃఆՄೳ • attributesϝιουͰJSONʹؚΊΔଐੑΛෳࢦఆՄೳ • attributeϝιουͰJSONʹؚΊΔଐੑΛϒϩοΫͰࢦఆՄೳ • JSONͷόοΫΤϯυʹOjΛࢦఆՄೳ
ࠓ͍͑ͨ͜ͱͦͷ್ • Alba͍ͬͯ͏gemΛ࡞͍ͬͯ·͢ • ػೳ·ͩશવΓͳ͍͚Ͳɺ͜Ε͔ΒΨγΨγՃ͍ͨ͠ • طଘͷͷʹෆຬ͕͋ΔͳΒ࡞Ε͍͍͡Όͳ͍ • Ճ͖͢ػೳʹ͍ͭͯͷҙݟɺ͓͍ͪͯ͠·͢
ۤ࿑ͨ͠ • ΫϥεϝιουͷDSLͰઃఆͨ͠ใΛΠϯελϯε͔Βࢀর ͢ΔΑ͏ʹ͢ΔΈ • ࣮ޮੑ͕͋Δఔ͋ΔςετΛॻ͘͜ͱ • શମతͳUIͱઃܭ
ςετͱUI
3. My TDD (second part)
طଘͷϥΠϒϥϦʹΛײ͡Δ ≠ ͲΜͳ;͏ʹվળ͢Ε͍͍͔Θ͔Δ
ςετΛॻ͖ͳ͕Β୳͍ͬͯ͘
TDD ➡ Test Driven Development
ࢲͷ࠾༻ͨ͠ํ๏ • ·ͣϢʔεέʔεͷςετΛॻ͘ʢ༷ࡦఆʣ • ͳΜ͔ҧײ͕͋ͬͨΒςετΛॻ͖͢ʢ༷มߋʣ • ςετʹೲಘ͕͍ͬͨΒ࣮͢Δ • ࣮͕ऴΘͬͨΒݸผͷΫϥεͷςετΛޙ͔ΒՃ͢Δʢ࣮ ·ͩॻ͍ͯͳ͍ʣ
ϘτϜΞοϓͰͳ͘τοϓμϯ
͜Ε͕ࢲͷTDD
ࠓ͍͑ͨ͜ͱͦͷࢀ • ༷ͱ͔ɺͲ͏͍͏ΠϯλʔϑΣʔε͕ཧ͔ͳΜͯͦ͏؆୯ ʹΘ͔Βͳ͍ • ϢʔεέʔεΛςετԽͯ͠ɺೲಘߦ͘·Ͱॻ͘ • Ϣχοτςετޙ͚Ͱ͍͍ͷͰ
4. ࠂ
None
https://kaigionrails.org
·ͱΊ • ϓϩάϥϛϯάͱొஃָ͍͠ɺΈ߹ΘͤΔͱͬͱָ͍͠ • Alba͍ͬͯ͏gemɺ࡞ͬͯ·͢ • τοϓμϯͰϢʔεέʔε͔ΒςετΛॻ͘ͱ͍͍͔ • Kaigi on
RailsɺΓ·͢