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

Testing Layers - ngBigParty

Avatar for Andrei Pfeiffer Andrei Pfeiffer
October 13, 2016
Programming
0
81

Testing Layers - ngBigParty

A shorter version of my Testing Layers talk, adapted for ngBigParty conference in Prague 12.10.2016

Avatar for Andrei Pfeiffer

Andrei Pfeiffer

October 13, 2016
Tweet

More Decks by Andrei Pfeiffer

See All by Andrei Pfeiffer
The Tricothomy of UI Development
Avatar for Andrei Pfeiffer andreipfeiffer
0
170
How Full is your Stack?
Avatar for Andrei Pfeiffer andreipfeiffer
2
56
A Vue over React
Avatar for Andrei Pfeiffer andreipfeiffer
6
1k
Automatizarea proceselor cu Grunt
Avatar for Andrei Pfeiffer andreipfeiffer
0
140

Other Decks in Programming

See All in Programming
Fluid Templating in TYPO3 14
Avatar for Simon Praetorius s2b
0
100
Architectural Extensions
Avatar for Denys Poltorak denyspoltorak
0
190
組織で育むオブザーバビリティ
Avatar for ryotaro kobayashi ryota_hnk
0
110
[AI Engineering Summit Tokyo 2025] LLMは計画業務のゲームチェンジャーか？ 最適化業務における活⽤の可能性と限界
Avatar for terry-u16 terryu16
2
390
今こそ知るべき耐量子計算機暗号(PQC)入門 / PQC: What You Need to Know Now
Avatar for mackey0225 mackey0225
3
330
実はマルチモーダルだった。ブラウザの組み込みAI🧠でWebの未来を感じてみよう #jsfes #gemini
Avatar for n0bisuke n0bisuke2
3
1.5k
HTTPプロトコル正しく理解していますか？ 〜かわいい猫と共に学ぼう。ฅ^•ω•^ฅ ﾆｬ〜
Avatar for ♛Heitor Hirose hekuchan
2
650
【卒業研究】会話ログ分析によるユーザーごとの関心に応じた話題提案手法
Avatar for MomokoShirakawa momok47
0
170
ELYZA_Findy AI Engineering Summit登壇資料_AIコーディング時代に「ちゃんと」やること_toB LLMプロダクト開発舞台裏_20251216
Avatar for 株式会社ELYZA elyza
2
1.2k
例外処理とどう使い分ける？Result型を使ったエラー設計 #burikaigi
Avatar for Takuma Kajikawa kajitack
16
5.6k
The Art of Re-Architecture - Droidcon India 2025
Avatar for Sid Patil siddroid
0
170
Spinner 軸ズレ現象を調べたらレンダリング深淵に飲まれた #レバテックMeetup
Avatar for 弁護士ドットコム bengo4com
1
220

Featured

See All Featured
Stewardship and Sustainability of Urban and Community Forests
Avatar for Eric Wiseman pwiseman
0
100
The untapped power of vector embeddings
Avatar for Frank van Dijk frankvandijk
1
1.5k
Six Lessons from altMBA
Avatar for Skipper Chong Warson skipperchong
29
4.1k
The Curse of the Amulet
Avatar for Matthew Lei leimatthew05
1
7.6k
Fight the Zombie Pattern Library - RWD Summit 2016
Avatar for Marcelo Somers marcelosomers
234
17k
How to optimise 3,500 product descriptions for ecommerce in one day using ChatGPT
Avatar for Katarina Dahlin katarinadahlin
PRO
0
3.4k
The Psychology of Web Performance [Beyond Tellerrand 2023]
Avatar for Tammy Everts tammyeverts
49
3.3k
4 Signs Your Business is Dying
Avatar for Josh Pigford shpigford
187
22k
Effective software design: The role of men in debugging patriarchy in IT @ Voxxed Days AMS
Avatar for Kenny Baas-Schwegler baasie
0
200
Between Models and Reality
Avatar for mayunak mayunak
1
170
Building a Modern Day 
E-commerce SEO Strategy
Avatar for Aleyda Solis aleyda
45
8.6k
How STYLIGHT went responsive
Avatar for nonsquared nonsquared
100
6k

Transcript

  1. TESTING LAYERS

  2. ANDREI PFEIFFER /andreipfeiffer @pfeiffer_andrei

  3. // code designer

  4. // organizer & speaker

  5. #devsUnited

  6. unit integration end to end

  7. many - few

  8. unit

  9. +do() System Under Test +get() SUT

  10. what to test? public API no private code our own

    code no 3rd party code business logic no GUI

  11. how to test? white box isolate stubs / mocks

  12. http xhr db disk SUT dep.

  13. http xhr db disk SUT dep. fake

  14. http xhr db disk SUT dep. fake fake

  15. integration

  16. aka. component testing

  17. what to test? database disk I/O units communication

  18. how to test? white box use real objects no stubs

    / mocks test database fixtures

  19. real db SUT test db

  20. end to end

  21. aka. GUI, acceptance, system

  22. what to test? use cases, features

  23. how to test? setup entire app black box simulate user

    events

  24. SUT go to login submit form focus input type email

    entire app

  25. speed

  26. fast slower even slower

  27. unit: integration: end-2-end: 0.62 sec 3.00 sec 21.70 sec

  28. unit: integration: end-2-end: 62 sec 5.0 min 36.1 min x100

  29. integration level confidence run frequency setup high high low complex

    low low high simple e2e unit speed low high maintainability fragile solid

  30. Díky !!!