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
1 test 1 assert ?
Search
PoohSunny
September 30, 2017
Technology
0
420
1 test 1 assert ?
TDDBC Tokyo 2017-09 でのLTスライドです。
https://tddbc.connpass.com/event/65484/
PoohSunny
September 30, 2017
Tweet
Share
More Decks by PoohSunny
See All by PoohSunny
ドレイファスモデルの紹介 / introduce Dreyfus model
poohsunny
1
1.3k
Make Work Visible in Agile2018 #LINE_DM
poohsunny
1
430
タウンワークをドライブさせるためになんちゃってアジャイルをやめた話 #devsumi #devsumiB / devsumi2018
poohsunny
30
46k
XUTPから学ぶ記述性の高いユニットテスト 〜俺たちを助けるユニットテストへ〜 / xUTP in #xpjug
poohsunny
4
5.2k
XCUITestする時のTIPs 〜あなたを助けるXCUITestへ〜
poohsunny
0
3.1k
コードに思いが伝わる
poohsunny
0
290
横浜タネマキでGebと握手! #yokohamagroovy
poohsunny
0
400
The "yummy" licenses.
poohsunny
0
180
ブラウザテストをサクサク自動化するためのGeb実践入門 #jjug_ccc
poohsunny
21
7.1k
Other Decks in Technology
See All in Technology
shake-upを科学する
rsakata
6
630
AWS CDK 開発を成功に導くトラブルシューティングガイド
wandora58
2
110
CDKTFについてざっくり理解する!!~CloudFormationからCDKTFへ変換するツールも作ってみた~
masakiokuda
1
180
Reach American Airlines®️ Instantly: 19 Calling Methods for Fast Support in the USA
flyamerican
1
180
赤煉瓦倉庫勉強会「Databricksを選んだ理由と、絶賛真っ只中のデータ基盤移行体験記」
ivry_presentationmaterials
2
380
AI専用のリンターを作る #yumemi_patch
bengo4com
6
4.3k
整頓のジレンマとの戦い〜Tidy First?で振り返る事業とキャリアの歩み〜/Fighting the tidiness dilemma〜Business and Career Milestones Reflected on in Tidy First?〜
bitkey
3
17k
面倒な作業はAIにおまかせ。Flutter開発をスマートに効率化
ruideengineer
0
310
自律的なスケーリング手法FASTにおけるVPoEとしてのアカウンタビリティ / dev-productivity-con-2025
yoshikiiida
2
17k
【Oracle Cloud ウェビナー】インフラのプロフェッショナル集団KELが考えるOCIでのソリューション実現
oracle4engineer
PRO
1
100
AWS CDK 入門ガイド これだけは知っておきたいヒント集
anank
1
110
マネジメントって難しい、けどおもしろい / Management is tough, but fun! #em_findy
ar_tama
7
1.2k
Featured
See All Featured
Speed Design
sergeychernyshev
32
1k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
357
30k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
Six Lessons from altMBA
skipperchong
28
3.9k
Agile that works and the tools we love
rasmusluckow
329
21k
Why You Should Never Use an ORM
jnunemaker
PRO
58
9.4k
Testing 201, or: Great Expectations
jmmastey
43
7.6k
Building a Scalable Design System with Sketch
lauravandoore
462
33k
Build your cross-platform service in a week with App Engine
jlugia
231
18k
Code Review Best Practice
trishagee
69
19k
Fireside Chat
paigeccino
37
3.5k
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
3.9k
Transcript
1 test 1 assert ? 1
ߴڮ ཅଠ(@PoohSunny) { role: "Engineer team leader", lang: ["Java", "Groovy",
"Swift"] } 2
3
ϖΞϓϩσϞ 4
1 test 1 assertion 5
xUTPͱͷग़ձ͍ 6
ޙ3 3 photo: https://www.flickr.com/photos/daverusso88/20860542330/in/photolist- xMnJsW-8H8jnW-8BDdLz-fS9XhN-e3qtWG-oaibHC-eRMCCx-q9Ftni-n7Lmvm-supyFV-gXyxGZ- fEKqSK-sqqxce-sfR8k1-q7N9Ta-dDw4Zq-9ML2MP-oa6sWm-J5F4zN-4vX6LP-nW3r1Q- rF4QJJ-8BWJj9-A1MjG7-sqqpKR-HgcdWN-7Dy6QC-s7M3Dn-w2RjN3-TZXibu-mMD2tR-o9TZi6- shS8mE-hWRzr-WJPkXw-xe6Rnv-DWz4Ra-yGju6j-fkfg3o-ghz6JD-wR4HYP-7xhvzK-rN2UEW- krfJu3-Duju1z-FSwQ8h-8yNSK2-4vXc2a-DaLuo5-zZyYuS 7
xUTPͱͷग़ձ͍(ཧ)4 4 ಈը: https://engineers.sg/video/unit-test-craftsmanship-agile-singapore- conference-2016--1168 εϥΠυ: http://singapore2016.xunitpatterns.com/ 8
γϯάϧΞαʔγϣϯ9 • ࿑ಇ࣌ؒܭࢉͷςετ // then assertEquals(720, result.getWorkTime()); • ٳܜ࣌ؒܭࢉͷςετ //
then List<Integer> breakTimeList = result.getBreakTimeList(); assertEquals(2, breakTimeList.size()); assertEquals(60, breakTimeList[0]); assertEquals(45, breakTimeList[1]); 9 http://xunitpatterns.com/Principles%20of%20Test%20Automation.html#Single Condition Test 9
1 test 1 assertϗ ϯτʁ 10
·ͱΊ͓͍ͯͨํ͕ Θ͔Γͦ͢͏ // then List<Integer> breakTimeList = result.getBreakTimeList(); assertEquals(2, breakTimeList.size());
assertEquals(60, breakTimeList[0]); assertEquals(45, breakTimeList[1]); 11
ಡΈ͍͢ܗʹ ϦϑΝΫλϦϯά • ྫ͑JUnit5 + AssertJΛར༻ // then List<Integer> breakTimeList
= result.getBreakTimeList(); assertThat(breakTimeList).hasSize(2).containsExactly(60, 45); 12
ΧελϜΞαʔγϣϯ10 • ϔϧύʔΛ࡞͠ɺΞαʔγϣϯͷ࣮ॲཧͦ ͪΒʹҠಈ 10 http://xunitpatterns.com/Custom%20Assertion.html 13
ϝιουຊޠԽख // then List<Integer> breakTimeList = result.getBreakTimeList(); ٳܜ2ճܭࢉ͞Εͯ(breakTimeList, _1ͭͷܭࢉ࣌ؒ(60), _2ͭͷܭࢉ࣌ؒ(45));
14
ϝϯςφϯεੑ͕٘ਜ਼ʹͳ Δʁ • ςετͷڞ௨ԽͬͯͲΕ΄Ͳॏཁʁ • ͜ΕʹΑͬͯͲͷ͘Β͍ಡΈ͕͢͞૿͢ʁ 15
ಡΈ͘͢ͳΒͳ͍Α͏ͳΒ ͠ಡΈ͘͢ͳΒͳ͍ͳΒɺγϯάϧΞαʔγ ϣϯਥʹͳΔͭΓͳ͍Α — Principle: Verify One Condition per Test
11 11 http://xunitpatterns.com/Principles%20of%20Test%20Automation.html#Single Condition Test ΑΓҙ༁ 16
Single Assertion ૉΒ͍͠ 17
Ͱόϥϯε͋Δ Αʂ 18
͓͠·͍ 19