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
iOS TDD iOS Tech Talk
Search
Realm
February 20, 2017
Technology
0
5.1k
iOS TDD iOS Tech Talk
TDD (Test-driven Development) for iOS - iOS Tech Talk 2017
Won Cho
Realm
February 20, 2017
Tweet
Share
More Decks by Realm
See All by Realm
WWDC 2017 Review
realm
0
1.9k
Xcode shortcuts
realm
0
4.6k
Self Branding with GitHub
realm
0
4.2k
Realm Mobile Platform overview and demo
realm
0
1.9k
Realm advanced topics and demo
realm
0
1.9k
Realm introduction Seoul meetup 10
realm
0
2k
Stuart Hall: How I got 2.3 Million App Downloads
realm
0
1.7k
James Majors: What the Swiftly Func?
realm
1
4.1k
Simina Pasat: Continuous everything for iOS apps
realm
0
560
Other Decks in Technology
See All in Technology
Databricks:『生成AI World Cup』のご案内
databricksjapan
2
140
Vertex AI を中心に 生成AIのアップデートを共有します
kaz1437
0
100
コンテナセキュリティの基本と脅威への対策
kyohmizu
3
680
コンパウンドスタートアップのためのスケーラブルでセキュアなInfrastructure as Codeパイプラインを考える / Scalable and Secure Infrastructure as Code Pipeline for a Compound Startup
yuyatakeyama
3
2k
DevOpsDays History and my DevOps story
kawaguti
PRO
8
1.5k
人間の尊厳、幸福、アクセシビリティ / 第116回「WEB TOUCH MEETING」アクセシビリティSP
nulabinc
PRO
2
180
Four keys改善の取り組み事例紹介
sansantech
PRO
3
230
Google Cloud の AI を支える裏側のインフラを垣間見る!
maroon1st
0
150
Janus
bkuhlmann
1
490
日本におけるデータエンジニアリングのこれまでとこれから
foursue
10
2.1k
少数チームで挑む: SwiftUI, TCA, KMPを用いた 新規動画配信アプリ 「ABEMA Live」の開発について
tomu28
0
530
疲弊しない!AWSセキュリティ統制の考え方 #devio_osakaday1
masahirokawahara
6
5.9k
Featured
See All Featured
Understanding Cognitive Biases in Performance Measurement
bluesmoon
6
990
[RailsConf 2023] Rails as a piece of cake
palkan
22
3.9k
The Language of Interfaces
destraynor
151
23k
What's in a price? How to price your products and services
michaelherold
237
11k
Navigating Team Friction
lara
177
13k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
18
1.7k
Fantastic passwords and where to find them - at NoRuKo
philnash
36
2.5k
How to Ace a Technical Interview
jacobian
272
22k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
240
1.2M
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
34
8.8k
Adopting Sorbet at Scale
ufuk
67
8.6k
The Cost Of JavaScript in 2023
addyosmani
14
3.8k
Transcript
TEST DRIVEN DEVELOPMENT IOS
ABOUT ME ઑ ਗ ▸ 1992.08.19 ▸ CS ҕೞח ࢤ
▸ 2015.12 ~ present at I/O ▸ medium.com/@trilliwon
FROM ONE SAPIENS TO ANOTHER.
झਤ iOS application Frontend
۠ ࣽࢲ۽ ফӝ೧ ࠅө פ ▸ TDD о ޥী ೧
▸ TDD ৵ ೧ঠ ೞחী ೧ ▸ ա TDD ҃ী ೧ ▸ Xcodeীࢲ iOS TDD
WHAT IS TDD?
T D D
TEST DRIVEN DEVELOPMENT
పझ ب ѐߊ
TDD WORKFLOW
पಁೞח పझ ࢿ ࢿػ పझܳ ాҗೞח ٘ ࢿ ࢿೠ ٘
ܻಂష݂
THE THREE LAWS OF TDD
TEST DRIVEN DEVELOPMENT ON IOS पಁೞח పझ ࢿ ▸ Compiler
error = Failing test ▸ Red = Failing test RED
TEST DRIVEN DEVELOPMENT ON IOS ࢿػ పझܳ ాҗೞח ٘ ࢿ
▸ Green = Passing test GREEN
TEST DRIVEN DEVELOPMENT ON IOS ܻಂష݂ ▸ Refactor ▸ ֎߁
▸ ࠂઁѢ ▸ … REFACTOR
TEST DRIVEN DEVELOPMENT ON IOS पಁೞח పझ ࢿ ▸ Compiler
error = Failing test ▸ Red = Failing test RED
TEST DRIVEN DEVELOPMENT ON IOS पಁೞח పझ ࢿ ▸ Compiler
error = Failing test ▸ Red = Failing test RED GREEN
TEST DRIVEN DEVELOPMENT ON IOS ࢿػ పझܳ ాҗೞח ٘ ࢿ
▸ Green = Passing test GREEN GREEN
TEST DRIVEN DEVELOPMENT ON IOS TDD ٜ ▸ ࣗझ٘ ಿ
▸ ਃೠ ٘݅ ࢿೣ ▸ ٣ߡӦ दр ড ▸ ݽٕച ٣ੋ ▸ ਬࠁࣻ ਊࢿ ▸ ܻಂష݂ ਊࢿ ▸ పझ ٘ ޙࢲച
TEST DRIVEN DEVELOPMENT ON IOS TDD ٜ ▸ ࣗझ٘ ಿ
▸ ਃೠ ٘݅ ࢿೣ ▸ ٣ߡӦ दр ড ▸ ݽٕച ٣ੋ ▸ ਬࠁࣻ ਊࢿ ▸ ܻಂష݂ ਊࢿ ▸ పझ ٘ ޙࢲച नх
नх ਃפ.
TEST DRIVEN DEVELOPMENT ON IOS TDD ױ ▸ ۽షఋೝী ࠗ
▸ ࣼ೧חؘ दрѦܿ
TEST DRIVEN DEVELOPMENT ON IOS TDD RULE ▸ Fast ▸
Independent ▸ Repeatable ▸ Self-Validating ▸ Timely
TEST DRIVEN DEVELOPMENT ON IOS TDD RULE // GIVEN //
WHEN // THEN
ӝর೧ঠ ೡ Ѫ
THE THREE LAWS OF TDD
WHY TDD
ѐߊ
: SUPER CLASS ѐߊ : SUB CLASS
HAS A WISDOM
ѐߊ CAN USE WISDOM
ࣘۆ?
ഌٜ
ইח ӡب ޛযࠁҊ оۄ
جܻب ف٘۰ࠁҊ Ѥցۄ
TDDۄח ഌח ܻ ীࢲ ݆ ই ࠅ ࣻ যਃ
पࣻܳ ӝ ਤೠ ഌ
߈ૐоמࢿ ண ನಌ
ண ನಌ
ઃо ৻҅ੋ ҳܳ ஜҕೡѢঠ! ߈ૐ ࠛоמೣ
ޛ 100 بॿীࢲ Փח ߈ૐ оמೣ
ৈӝ ଵৈೞन ݽٚ ٜ࠙ ݓ࠘ਸ ࣗਬೞҊ ҅पѢঠ! ߈ૐ оמೣ
ޛ 100 بॿীࢲ Փח ߈ૐ оמೣ ݆ పझܳ Ѽ٣ݶ Ӓ݅ఀ
જ ۿ ػ
ઃо ৻҅ੋ ҳܳ ஜҕೡѢঠ! ߈ૐ ࠛоמೣ ղ ٘ח ੜ جইтѢঠ
ৈӝ ଵৈೞन ݽٚ ٜ࠙ ݓ࠘ਸ ࣗਬೞҊ ҅पѢঠ! ߈ૐ оמೣ જ
٘݅ ই పझܳ ాҗೞ ޅೣ
যڃоਃ?
যڃ ੋр غযঠ ೞա?
যڃ ਸ ইঠ ೞա?
যڃ ѐߊо غযঠ ೞա?
э ੌೞҊ र ѐߊ
ࡆח ࢚ടਸ ٜ݅ ঋח ѐߊ
যڃоਃ?
ղ ҃
߅ (ਸ)ܳ ҳ۽ ୶о ೞदѷणפө? ۽ જоਃ?
None
ٸ ࢎਊೡ ۄ࠳۞ܻ
https://github.com/trilliwon/JNaturalKorean NO TDD MORE TIME TO DEBUG MORE TIME TO
MAINTAIN NO CONFIDENCE
https://github.com/trilliwon/NaturalKorean TDD CLEAN CODE BEAUTIFUL CODE CONFIDENCE MUCH BETTER
LET'S DIVE IN CODE
None
None
COMMAND + U CONTROL + U
this is A test headline This Is A Test Headline
THE THREE LAWS OF TDD
WORKING CODE TEST CODE RED SYNTAX ERRORܳ ೖೞӝ ਤೠ ٘
पಁೞח పझ
WORKING CODE TEST CODE GREEN ࢿػ పझܳ ాҗೞب۾݅ ࢿػ ٘
ాҗೞח పझ
WORKING CODE TEST CODE REFACTOR ܻಂష݂ ೠ పझ ٘
WORKING CODE TEST CODE RED ࢜۽ పझ ٘ ࢿ ো
FAIL
WORKING CODE TEST CODE GREEN पಁೞח పझܳ ాҗೞח ٘ PASS
ೞח పझ٘
WORKING CODE REFACTOR झਤ झۣѱ ܻಂష݂ ೠ ٘
TEST CODE REFACTOR ֎߁ ܻಂష݂ೠ పझ ٘
None
None
NO Q & A MAY BE
хࢎפ
How to use if not null if true
IOSীࢲ যܳ LOCALIZATIONೞח GORGEOUS ೠ ߑߨ