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2022 API World - Testing Pyramid for Event-Driv...

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Avatar for Dan Siwiec Dan Siwiec
June 21, 2023
Programming
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2022 API World - Testing Pyramid for Event-Driven Systems

Avatar for Dan Siwiec

Dan Siwiec

June 21, 2023
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Transcript

  1. Testing Pyramid for Event-Driven Systems Dan Siwiec

  2. Hi. I’m a software architect with 15 years of experience

    across multiple domains - health care, telco, travel, banking, retail, recently in love with Kotlin. 🌍 https://danoncoding.com 󰞵 https://github.com/danielsiwiec ✉ [email protected]

  3. What is a TESTING PYRAMID?

  4. Testing Pyramid Demystified End to End Service Unit

  5. Testing Pyramid Demystified End to End Service Unit In-memory tests,

    exercising the smallest, testable part of the application. Often a method or a class.

  6. Testing Pyramid Demystified End to End Unit Service In-memory tests,

    exercising one component at a time, treating it as a black box. Also called service tests.

  7. Testing Pyramid Demystified End to End Service Unit Browser tests

    or cross-service tests on a deployed environment exercising a complete flow

  8. Testing Pyramid Demystified End to End Service Unit Exploratory, ad-hoc

    testing or investigation. Focus on learning, rather than validation. Manual

  9. Testing Pyramid Demystified End to End Manual Service Unit

  10. Use Case: ORDER PROCESSING

  11. Happy Order Flow 1. User submits order 2. Is there

    inventory? 3. Process payment 4. Send shipment On each step send customer a notification

  12. Point-to-point system

  13. Event-Driven System

  14. Test Pyramid APPLIED

  15. Unit Testing End to End Service Unit

  16. Payment Service

  17. Unit Testing

  18. Unit Testing

  19. None
  20. None
  21. None
  22. None
  23. None
  24. None

  25. Service Testing End to End Unit Service

  26. Service Testing

  27. Service Testing

  28. None
  29. None
  30. None
  31. None
  32. None
  33. None
  34. None
  35. None
  36. None
  37. None
  38. None
  39. None

  40. End-to-End Testing End to End Service Unit

  41. System Under Test: End-to-End Testing

  42. None
  43. None
  44. None

  45. Bonus: Performance Tests

  46. None
  47. None
  48. None

  49. Event-Driven System

  50. Event-Driven System

  51. None
  52. None
  53. None

  54. Final Considerations

  55. Pyramid Revisited Flakiness User Focus Time End to End Service

    Unit

  56. Pyramid Revisited Flakiness User Focus Time End to End Service

    Unit

  57. Pyramid Revisited Flakiness User Focus Time Resilience to Refactoring End

    to End Service Unit

  58. Testing Diamond End to End Service Unit Flakiness User Focus

    Time Resilience to Refactoring

  59. https:/ /github.com/danielsiwiec/event-driven-demo

  60. Thank you. [email protected] https:/ /danoncoding.com