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

Como escrever bons testes unitários

Avatar for Roger Silva Roger Silva
November 27, 2019
Technology
0
70

Como escrever bons testes unitários

Os slides da minha apresentação no The Developers Conference (TDC) 2019 - Edição Porto Alegre.

Avatar for Roger Silva

Roger Silva

November 27, 2019
Tweet

More Decks by Roger Silva

See All by Roger Silva
Implantando testes funcionais herméticos
Avatar for Roger Silva orogersilva
0
25
Sou da TI e escrevi um livro! Por quê? Como? E o que ganhei com isso?
Avatar for Roger Silva orogersilva
0
5
Automatizando a Distribuição de Apps
Avatar for Roger Silva orogersilva
1
41
“Socializando” aplicações mobile com a Facebook API (muito além dos likes)
Avatar for Roger Silva orogersilva
0
36

Other Decks in Technology

See All in Technology
予期せぬコストの急増を障害のように扱う――「コスト版ポストモーテム」の導入とその後の改善
Avatar for Masahiro Yoshizawa muziyoshiz
1
2k
Introduction to Sansan, inc / Sansan Global Development Center, Inc.
Avatar for Sansan, Inc. sansan33
PRO
0
3k
Ruby版 JSXのRuxが気になる
Avatar for SansanTech sansantech
PRO
0
160
usermode linux without MMU - fosdem2026 kernel devroom
Avatar for Hajime Tazaki thehajime
0
240
外部キー制約の知っておいて欲しいこと - RDBMSを正しく使うために必要なこと / FOREIGN KEY Night
Avatar for soudai sone soudai
PRO
12
5.6k
M&A 後の統合をどう進めるか ─ ナレッジワーク × Poetics が実践した組織とシステムの融合
Avatar for KNOWLEDGE WORK / 株式会社ナレッジワーク kworkdev
PRO
1
480
SRE Enabling戦記 - 急成長する組織にSREを浸透させる戦いの歴史
Avatar for Masaki Ishigaki markie1009
0
140
20260208_第66回 コンピュータビジョン勉強会
Avatar for KeiichiIto1978 keiichiito1978
0
190
OWASP Top 10:2025 リリースと 少しの日本語化にまつわる裏話
Avatar for Riotaro OKADA okdt
PRO
3
830
プロポーザルに込める段取り八分
Avatar for ShoheiMitani shoheimitani
1
590
Why Organizations Fail: ノーベル経済学賞「国家はなぜ衰退するのか」から考えるアジャイル組織論
Avatar for Yasunobu Kawaguchi kawaguti
PRO
1
140
Greatest Disaster Hits in Web Performance
Avatar for Estela Franco guaca
0
280

Featured

See All Featured
More Than Pixels: Becoming A User Experience Designer
Avatar for Michelle Schulp Hunt marktimemedia
3
320
Why Our Code Smells
Avatar for Brandon Keepers bkeepers
PRO
340
58k
Producing Creativity
Avatar for Steve Smith orderedlist
PRO
348
40k
Sharpening the Axe: The Primacy of Toolmaking
Avatar for Bryan Cantrill bcantrill
46
2.7k
Building Experiences: Design Systems, User Experience, and Full Site Editing
Avatar for Michelle Schulp Hunt marktimemedia
0
410
Making the Leap to Tech Lead
Avatar for Ryan Cromwell cromwellryan
135
9.7k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
Avatar for mongodb mongodb
49
9.9k
A better future with KSS
Avatar for Kyle Neath kneath
240
18k
Designing Dashboards & Data Visualisations in Web Apps
Avatar for Des Traynor destraynor
231
54k
Building an army of robots
Avatar for Kyle Neath kneath
306
46k
Heart Work Chapter 1 - Part 1
Avatar for Lake Fama lfama
PRO
5
35k
Practical Tips for Bootstrapping Information Extraction Pipelines
Avatar for Matthew Honnibal honnibal
25
1.7k

Transcript

  1. COMO ESCREVER BONS TESTES UNITÁRIOS @orogersilva

  2. DESENVOLVEDOR DE SOFTWARE - MOBILE @orogersilva @orogersilva @orogersilva

  3. O QUE SÃO TESTES UNITÁRIOS? @orogersilva

  4. @orogersilva

  5. @orogersilva CLASSE MÉTODO ou

  6. @orogersilva Fonte: https://martinfowler.com/bliki/images/testPyramid/test-pyramid.png

  7. @orogersilva Fonte: https://twitter.com/cermak_cz/status/743719704406036480/photo/1

  8. @orogersilva Fonte: https://twitter.com/cermak_cz/status/743719704406036480/photo/1

  9. “COMO DEVO TESTAR?” @orogersilva

  10. • SETUP • EXERCISE • VERIFY • TEARDOWN @orogersilva

  11. CLASSE DE TESTE @orogersilva

  12. @orogersilva

  13. MÉTODO DE TESTE @orogersilva

  14. @orogersilva

  15. @orogersilva

  16. @orogersilva

  17. @orogersilva

  18. @orogersilva

  19. @orogersilva

  20. @orogersilva

  21. @orogersilva

  22. @orogersilva

  23. INJEÇÃO DE DEPENDÊNCIA @orogersilva

  24. @orogersilva

  25. UMA BOA ARQUITETURA @orogersilva

  26. @orogersilva

  27. @orogersilva

  28. MOCKS @orogersilva

  29. @orogersilva Fonte: https://martinfowler.com/articles/mocksArentStubs.html

  30. @orogersilva Fonte: https://github.com/nhaarman/mockito-kotlin

  31. @orogersilva Fonte: https://github.com/mockk/mockk

  32. TESTANDO REPOSITORY @orogersilva

  33. @orogersilva

  34. @orogersilva

  35. TESTANDO UTILS @orogersilva

  36. @orogersilva

  37. TESTANDO VIEWMODEL @orogersilva

  38. @orogersilva

  39. @orogersilva

  40. @orogersilva

  41. @orogersilva

  42. TESTANDO COROUTINE @orogersilva

  43. @orogersilva

  44. @orogersilva

  45. TESTES UNITÁRIOS DEVEM V ALIDAR COMPORTAMENTO E NÃO FLUXO DE

    EXECUÇÃO @orogersilva

  46. COBERTURA DE CÓDIGO @orogersilva

  47. @orogersilva

  48. APLICAÇÃO DE PLUGIN + ARQUIVO DE CONFIGURAÇÃO @orogersilva

  49. @orogersilva

  50. https://github.com/orogersilva/spotmusic-alarm-andr oid/blob/master/gradle/jacoco.gradle @orogersilva

  51. @orogersilva

  52. @orogersilva

  53. @orogersilva

  54. @orogersilva

  55. @orogersilva

  56. É NECESSÁRIO 100% DE COBERTURA DE CÓDIGO? @orogersilva

  57. TESTES UNITÁRIOS SÃO SUFICIENTES? @orogersilva

  58. TESTES UNITÁRIOS DEVEM SER MUTÁVEIS @orogersilva

  59. TESTES UNITÁRIOS DEVEM SER CONSTANTEMENTE EXECUTADOS @orogersilva

  60. @orogersilva

  61. REFERÊNCIA SOBRE TESTES UNITÁRIOS @orogersilva

  62. @orogersilva

  63. @orogersilva

  64. OBRIGADO! @orogersilva

  65. COMO ESCREVER BONS TESTES UNITÁRIOS @orogersilva