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

How Go test tests

Avatar for Seiji Takahashi Seiji Takahashi
December 11, 2017
Programming
2
5.2k

How Go test tests

Presentation for golang.tokyo #11

Avatar for Seiji Takahashi

Seiji Takahashi

December 11, 2017
Tweet

More Decks by Seiji Takahashi

See All by Seiji Takahashi
Go Backends for frontends with GraphQL and gRPC
Avatar for Seiji Takahashi timakin
6
4.1k
Design Pattern for Image and Text Composition in Go
Avatar for Seiji Takahashi timakin
5
6.7k
Golang API Testing the HARD way
Avatar for Seiji Takahashi timakin
13
6.7k
Head First Golang Image Package
Avatar for Seiji Takahashi timakin
2
10k
React Native Beyond Prototype
Avatar for Seiji Takahashi timakin
2
1.7k
Performance Optimization 
on Google AppEngine
Avatar for Seiji Takahashi timakin
5
6.4k
testcache.pdf
Avatar for Seiji Takahashi timakin
1
160
How Go cache
Avatar for Seiji Takahashi timakin
1
98
How Go cache tests
Avatar for Seiji Takahashi timakin
1
3.2k

Other Decks in Programming

See All in Programming
Software Architecture
Avatar for Henning Schwentner hschwentner
6
2.3k
階層構造を表現するデータ構造とリファクタリング 〜1年で10倍成長したプロダクトの変化と課題〜
Avatar for yuhi yuhisatoxxx
3
1k
Six and a half ridiculous things to do with Quarkus
Avatar for Holly Cummins hollycummins
0
160
オープンソースソフトウェアへの解像度🔬
Avatar for うたもく utam0k
12
2.5k
PHPに関数型の魂を宿す〜PHP 8.5 で実現する堅牢なコードとは〜 #phpcon_hiroshima / phpcon-hiroshima-2025
Avatar for shogogg shogogg
1
120
monorepo の Go テストをはやくした〜い！~最小の依存解決への道のり~ / faster-testing-of-monorepos
Avatar for convto convto
2
470
Building, Deploying, and Monitoring Ruby Web Applications with Falcon (Kaigi on Rails 2025)
Avatar for Samuel Williams ioquatix
4
2k
Web フロントエンドエンジニアに開かれる AI Agent プロダクト開発 - Vercel AI SDK を観察して AI Agent と仲良くなろう！ #FEC余熱NIGHT
Avatar for Masayuki Izumi izumin5210
3
510
ポスターセッション: 「まっすぐ行って、右！」って言ってラズパイカーを動かしたい 〜生成AI × Raspberry Pi Pico × Gradioの試作メモ〜
Avatar for komo_fr komofr
0
1.3k
Web Components で実現する Hotwire とフロントエンドフレームワークの橋渡し / Bridging with Web Components
Avatar for Daichi KUDO da1chi
3
2.1k
コードとあなたと私の距離 / The Distance Between Code, You, and I
Avatar for YAMAOKA Hiroyuki hiro_y
0
120
Catch Up: Go Style Guide Update
Avatar for ANDPAD inc andpad
0
220

Featured

See All Featured
[RailsConf 2023 Opening Keynote] The Magic of Rails
Avatar for Eileen M. Uchitelle eileencodes
31
9.7k
ReactJS: Keep Simple. Everything can be a component!
Avatar for Pedro Nauck pedronauck
667
120k
Sharpening the Axe: The Primacy of Toolmaking
Avatar for Bryan Cantrill bcantrill
45
2.5k
Context Engineering - Making Every Token Count
Avatar for Addy Osmani addyosmani
5
220
For a Future-Friendly Web
Avatar for Brad Frost brad_frost
180
9.9k
Helping Users Find Their Own Way: Creating Modern Search Experiences
Avatar for Dan Newman danielanewman
30
2.9k
Building Flexible Design Systems
Avatar for Yesenia Perez-Cruz yeseniaperezcruz
329
39k
Fight the Zombie Pattern Library - RWD Summit 2016
Avatar for Marcelo Somers marcelosomers
234
17k
Embracing the Ebb and Flow
Avatar for Simon Collison colly
88
4.8k
StorybookのUI Testing Handbookを読んだ
Avatar for Shingo Yamazaki zakiyama
31
6.2k
jQuery: Nuts, Bolts and Bling
Avatar for Doug Neiner dougneiner
65
7.9k
Visualization
Avatar for Eitan Lees eitanlees
149
16k

Transcript

  1. How Go test tests @__timakin__

  2. • Seiji Takahashi • Github: timakin / Twitter: @__timakin__ •

    גࣜձࣾGunosy ৽نࣄۀ։ൃࣨ • Go / Swift ࣗݾ঺հ

  3. Copyright© Gunosy Inc. All Rights Reserved 3 Go / Python

    ΤϯδχΞืूத ▶https://gunosy.co.jp/recruit/ Gunosy͸ɺ౦ژେֶʹ௨͏3ਓͷֶੜͷ
 ʮ৘ใΛੈքதͷਓʹ࠷దʹಧ͚͍ͨʯͱ͍͏૝͍͔Β࢝·Γ·ͨ͠ɻ ౦ূϚβʔζ্৔ɺ࿡ຊ໦ώϧζ΁ͷΦϑΟεҠసΛܦͯɺ
 େ͖͘੒௕͍ͯ͠ΔձࣾͰ׆༂͍ͨ͠ϝϯόʔΛืू͍ͯ͠·͢ɻ

  4. Test of test

  5. None

  6. Go1.9~ ؔ਺͕ͲΜͳग़ྗΛ͢Δͷ͔ɺ ExampleΛఆٛͰ͖ΔΑ͏ʹ

  7. None
  8. None

  9. TestίϚϯυʹؔΘΔ࣮૷ • src/testing • ςετ࣮ߦ࣌ʹ࢖͏T, BͳͲͷ࣮૷ • testing.commonͱ͍͏ߏ଄ମ͕ϝΠϯϩδοΫΛ͍࣋ͬͯΔ • ίϚϯυͷflagύʔε

    • benchmarking, ΧόϨοδଌఆͳͲ • Fail, SkipͳͲͷ࣮૷

  10. common

  11. None

  12. গͳ͍ʂ؆୯ʂ

  13. Mergeͯ͠΄͍͠ʂ

  14. Can you add tests?

  15. ςετͷ࣮ߦ݁Ռͬͯ
 Ͳ͏΍ͬͯ
 ςετ͢ΔΜͩʁ

  16. ςετͬͯͲ͏΍ͬͯ
 ςετ͢ΔΜͩʁ

  17. For testing tests • src/cmd/go/go_test.go • Go commandsͷςετ࣮ߦ

  18. For testing tests • src/cmd/go/go_test.go • Go commandsͷςετ࣮ߦ

  19. For testing tests • testgoData • ͍͍ײ͡ʹfixtureΛಡΈࠐΜͩΓɺ
 ࣮ߦޙͷCleanupΛͯ͘͠ΕΔ


  20. For testing tests • src/cmd/go/testdata/src/* • ςετ༻ͷFixtureΛఆٛ

  21. all.bashΛճͤ͹
 ສࣄOK

  22. Let’s Contribute!

  23. ʕ ◔ϖ◔ʔ < Thank You!!