Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

Summary of Diagnose unreliable code with test ...

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for shunsuke sato shunsuke sato
June 25, 2021
Programming
1.2k
1

Summary of Diagnose unreliable code with test repetitions

Avatar for shunsuke sato

shunsuke sato

June 25, 2021

More Decks by shunsuke sato

See All by shunsuke sato
要約 "Add Live Text interaction to your app"
Avatar for shunsuke sato ushisantoasobu
1
1.4k
ANDPAD iOS開発の生態系と課題 - 最近取り組み始めた「マルチモジュール化」について
Avatar for shunsuke sato ushisantoasobu
1
850
実践！「みてね」における自動生成活用例
Avatar for shunsuke sato ushisantoasobu
5
6.7k
5 Tips when test fails randomly
Avatar for shunsuke sato ushisantoasobu
2
3.8k
Better Way for Test Data Generation??
Avatar for shunsuke sato ushisantoasobu
1
2.9k
iOS/Androidのサブスクリプション実装における違いをざっと振り返る
Avatar for shunsuke sato ushisantoasobu
2
1.8k
24時間でMacアプリを作ってスベってきた話
Avatar for shunsuke sato ushisantoasobu
0
2.3k
Redirectable in App?
Avatar for shunsuke sato ushisantoasobu
2
1.1k
iOSのClean Architecture テンプレ自動生成を支える技術 / generating CA's templates
Avatar for shunsuke sato ushisantoasobu
0
330

Other Decks in Programming

See All in Programming
Agentic Software Factoryに、すごく賢いIF文を。 / super smart IF statement into the Agentic Software Factory.
Avatar for r-kagaya rkaga
7
1.8k
Agents on Rails - Rails at Scale 2026
Avatar for Irina Nazarova irinanazarova
0
330
Rでドレミ/Do-Re-Mi_with_R
Avatar for florets1 florets1
0
120
ゲームコントローラやキーボードのファームウェアをSwiftで書く
Avatar for Kishikawa Katsumi kishikawakatsumi
1
280
Java 27新機能 / Java 27 new features
Avatar for Naoki Kishida kishida
2
200
[Rails World 2026] Durable orchestration on Rails: from continuation to workflow
Avatar for Vladimir Dementyev palkan
1
470
Augmenting AI with the Power of Jakarta EE
Avatar for ivargrimstad ivargrimstad
0
450
CodeRabbitの効果検証と過ごしてみた3ヶ月
Avatar for armondando armondando
0
140
ソニーのクラウド共通基盤の変遷と AI時代の開発スタイルに合わせた進化 / The Journey of Sony’s Common Cloud Platform and Its Evolution for AI-Native Development
Avatar for KenjiYoneyama kenjiyoneyama
0
230
更なる可用性を求めて、5年間運用したKotlinのアプリケーションをGoでリプレイスする話
Avatar for Kensuke Taguchi ken_tunc
0
440
パーソナライズPodcastを作った話
Avatar for repunit11 repunit11
0
120
Domain-Driven Transformation
Avatar for Henning Schwentner hschwentner
2
2.3k

Featured

See All Featured
Why Our Code Smells
Avatar for Brandon Keepers bkeepers
PRO
340
58k
The MySQL Ecosystem @ GitHub 2015
Avatar for Sam Lambert samlambert
251
13k
Understanding Cognitive Biases in Performance Measurement
Avatar for Philip Tellis bluesmoon
32
3k
HDC tutorial
Avatar for Michiel Stock michielstock
2
940
Design of three-dimensional binary manipulators for pick-and-place task avoiding obstacles (IECON2024)
Avatar for konakalab konakalab
0
610
SEO for Brand Visibility & Recognition
Avatar for Aleyda Solis aleyda
0
4.8k
Music & Morning Musume
Avatar for Bryan Veloso bryan
48
7.4k
Ecommerce SEO: The Keys for Success Now & Beyond - #SERPConf2024
Avatar for Aleyda Solis aleyda
1
2.2k
<Decoding/> the Language of Devs - We Love SEO 2024
Avatar for Nikki Halliwell nikkihalliwell
1
340
Deep Space Network (abreviated)
Avatar for Tony Rice tonyrice
0
350
The #1 spot is gone: here's how to win anyway
Avatar for Tamara Novitovic tamaranovitovic
4
1.2k
GraphQLとの向き合い方2022年版
Avatar for Yosuke Kurami quramy
50
15k

Transcript

  1. Summary of “Diagnose unreliable code with test repetitions” at WWDC

    2021 !ू·Ε4XJGU޷͖ʂ4XJGUѪ޷ձεϐϯΦϑ88%$ηογϣϯཁ໿ձ

  2. ࣗݾ঺հ

  3.  ໊લࠤ౻ढ़ี  ৬ۀϞόΠϧΞϓϦΤϯδχΞʢJ04ΛϝΠϯʹ"OESPJE΋ͪΐͬͱʣ  ॴଐגࣜձࣾΞϯυύου  ʮݐங%9ʯΛ΍͍ͬͯΔձࣾ  ࠓ೥ͷJ04%$ͷϓϥνφεϙϯαʔ

     5XJUUFS!VTIJTBOUPBTPCV  झຯίʔώʔɺαοΧʔɾϑοταϧ

  4. Diagnose unreliable code with test repetitions

  5. ҰݴͰ·ͱΊΔͱ ʮෆ҆ఆͳςετʢ࣌ʑίέΔςετʣʯΛ௚ͨ͢Ίʹ ʮςετͷ܁Γฦ࣮͠ߦʯػೳ͕௥Ճ͞Εͨ

  6.  ηογϣϯͷߏ੒  ʮςετͷ܁Γฦ࣮͠ߦʯػೳͷ֓ཁ  ʮςετͷ܁Γฦ࣮͠ߦʯػೳΛ༻͍ͨσϞ  5JQTʢYDPEFCVJMEίϚϯυ·ΘΓʣ

  7.  ηογϣϯͷߏ੒  ʮςετͷ܁Γฦ࣮͠ߦʯػೳͷ֓ཁ  ʮςετͷ܁Γฦ࣮͠ߦʯػೳΛ༻͍ͨσϞ  5JQTʢYDPEFCVJMEίϚϯυ·ΘΓʣ

  8. ʮςετͷ܁Γฦ࣮͠ߦʯػೳͷ֓ཁ

  9.  ෆ҆ఆͳςετ͕ੜ·ΕΔݪҼ

  10.  ෆ҆ఆͳςετ͕ੜ·ΕΔݪҼ  ڝ߹ঢ়ଶ؀ڥґଘάϩʔόϧεςʔτ֎෦αʔϏεͱͷ࿈ܞ

  11.  ෆ҆ఆͳςετ͕ੜ·ΕΔݪҼ  ڝ߹ঢ়ଶ؀ڥґଘάϩʔόϧεςʔτ֎෦αʔϏεͱͷ࿈ܞ  ෆ҆ఆͳςετΛ௚͢ͷ͕೉͍͠ཧ༝

  12.  ෆ҆ఆͳςετ͕ੜ·ΕΔݪҼ  ڝ߹ঢ়ଶ؀ڥґଘάϩʔόϧεςʔτ֎෦αʔϏεͱͷ࿈ܞ  ෆ҆ఆͳςετΛ௚͢ͷ͕೉͍͠ཧ༝  ࠶ݱ͢ΔʢίέΔʣͷ͕೉͍͠

  13.  ෆ҆ఆͳςετ͕ੜ·ΕΔݪҼ  ڝ߹ঢ়ଶ؀ڥґଘάϩʔόϧεςʔτ֎෦αʔϏεͱͷ࿈ܞ  ෆ҆ఆͳςετΛ௚͢ͷ͕೉͍͠ཧ༝  ࠶ݱ͢ΔʢίέΔʣͷ͕೉͍͠  ͦͷղܾํ๏ͷखஈͷ͕̍ͭʮςετΛ܁Γฦ͢ʯ͜ͱ

  14.  ෆ҆ఆͳςετ͕ੜ·ΕΔݪҼ  ڝ߹ঢ়ଶ؀ڥґଘάϩʔόϧεςʔτ֎෦αʔϏεͱͷ࿈ܞ  ෆ҆ఆͳςετΛ௚͢ͷ͕೉͍͠ཧ༝  ࠶ݱ͢ΔʢίέΔʣͷ͕೉͍͠  ͦͷղܾํ๏ͷखஈͷ͕̍ͭʮςετΛ܁Γฦ͢ʯ͜ͱ

     ৽͘͠௥Ճ͞ΕΔʮςετͷ܁Γฦ࣮͠ߦʯػೳʹ͸̏ͭͷϞʔυ͕͋Δ

  15.  ෆ҆ఆͳςετ͕ੜ·ΕΔݪҼ  ڝ߹ঢ়ଶ؀ڥґଘάϩʔόϧεςʔτ֎෦αʔϏεͱͷ࿈ܞ  ෆ҆ఆͳςετΛ௚͢ͷ͕೉͍͠ཧ༝  ࠶ݱ͢ΔʢίέΔʣͷ͕೉͍͠  ͦͷղܾํ๏ͷखஈͷ͕̍ͭʮςετΛ܁Γฦ͢ʯ͜ͱ

     ৽͘͠௥Ճ͞ΕΔʮςετͷ܁Γฦ࣮͠ߦʯػೳʹ͸̏ͭͷϞʔυ͕͋Δ  ͦΕͧΕͲ͏͍ͬͨಈ͖Λ͢Δͷ͔ɾ༻్͸Կ͔ɺ͕͜ͷηογϣϯͷ Ұ൪େࣄͳͱ͜Ζ

  16. 'JYFEJUFSBUJPOT

  17.  ੒ޭࣦഊ໰Θͣɺࢦఆͨ͠ճ਺෼ςετΛ࣮ߦ͢Δ  ༻్ʮςετʹෆ҆ఆ͕͞ͳ͍͔ʯΛ֬ೝ͢ΔͨΊ 'JYFEJUFSBUJPOT

  18. 6OUJMGBJMVSF

  19.  ࢦఆͨ͠ճ਺෼ςετΛ࣮ߦ͢Δ͕ɺࣦഊ࣌఺Ͱऴྃ͢Δ  ༻్ʮෆ҆ఆͳςετΛ௚͢ʢσόοά͢Δʣʯͱ͖ʹར༻͢Δ 6OUJMGBJMVSF

  20. 3FUSZPOGBJMVSF

  21.  ࢦఆͨ͠ճ਺෼ςετΛ࣮ߦ͢Δ͕ɺ੒ޭͨ࣌͠఺Ͱऴྃ͢Δ  ༻్ʮ͸͡Ί͸ࣦഊ͢Δ͕͍ͣΕ੒ޭ͢ΔΑ͏ͳςετʯΛಛఆ͢ΔͨΊ 3FUSZPOGBJMVSF

  22. ʮςετͷ܁Γฦ࣮͠ߦʯػೳΛ༻͍ͨσϞ

  23. ࠷ۙ$*Ͱςετ͕࣌ʑίέΔ͜ͱʹؾͮ͘

  24. ʮςετͷ܁Γฦ࣮͠ߦʯػೳΛҰ࣌తʹΦϯʹͯ͠࠶౓$*ͰςετΛ࣮ߦͯ͠ΈΔ

  25. ΍ͬͺΓϥϯμϜͰίέΔΑ͏ͩ

  26. ϩʔΧϧͰ΋࠶ݱ͢Δ͔ࢼͯ͠ΈΑ͏ʢz3VOUFTU4PNF 3FQFBUFEMZzΛબ୒ʣ

  27. l'JYFEJUFSBUJPOTzϞʔυʢճ਺͸ʹࢦఆʣͰ࣮ߦ

  28. ϩʔΧϧͰ΋ϥϯμϜͰίέΔ͜ͱ͕࠶ݱͰ͖ͨʂʢճίέͨʣ

  29. ϥϯμϜͰίέΔݪҼΛಛఆ͠Α͏ʢl6OUJMGBJMVSFzϞʔυͰ࣮ߦʣ

  30. ςετ͕ίέͨͱ͖ʹσόοΨ͕ىಈ͞ΕΔʂ

  31. मਖ਼Ͱ͖ͨΒ࠶౓z'JYFEJUFSBUJPOTzϞʔυͰ࣮ߦͯ͠ΈΔ

  32. ճςετ͕੒ޭͨ͠🎉ʢ͜ͷςετ͔Βෆ҆ఆ͕͓ͦ͞Β͘ফ͑ͨʣ

  33. ·ͱΊ

  34.  ෆ҆ఆͳςετʢ࣌ʑίέΔʣͱ͍͏΋ͷ͕͋Δ  ͦͷ໰୊ಛఆͷͨΊͷखஈͷ͕̍ͭʮςετͷ܁Γฦ࣮͠ߦʯ  ৽͘͠ʮςετͷ܁Γฦ࣮͠ߦʯͷػೳ͕௥Ճ͞ΕͨͷͰɺෆ҆ఆͳςετ ͕ݟ͔ͭͬͨΒɺ͜ͷػೳͰ໰୊ಛఆɾमਖ਼Ͱ͖ͳ͍͔ࢼͯ͠ΈΑ͏

  35. ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠😊