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Como escrever bons testes unitários

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Avatar for Roger Silva Roger Silva
November 27, 2019
Technology
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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
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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