Because every QA should know API Testing

Transcript

1. Because every QA
   should know API
   Testing
   Frederico Moreira / Ramilo Neves
   

   View Slide

2. Brazil (Minas Gerais)
   ● Café, testes e pão de queijo
   ● MTC - Minas Testing Conference
   Agile Testers
   ● Fórum
   ● Agile Testers Conference
   UAI, TREM, SÔ, PÃO DE QUEIJO
   ● if(cachaça || bagaço)
   @fredaomoreira
   @farfetch
   

   View Slide

3. @ramilomcneves
   @farfetch
   Brazil (Petrópolis - Rio de Janeiro)
   ● Tester Automation Engineer
   ● In love with football
   –Flamengo (Brazil)
   –Porto (Portugal)
   ● Living two years in Porto
   ● Second time speaking at PTM
   

   View Slide

4. API
   ● Who is here doing an
   API test today?
   ● Who has tested the API?
   ● Who automates API
   testing?
   

   View Slide

5. What is an API?
   “An API is created when a software
   company intends that other software
   developers develop products associated
   with its service.”
   

   View Slide

6. Examples
   ● Google
   ○ Google Maps
   ○ Google Flights
   ● Accommodation
   ○ Trivago
   ○ Airbnb
   ● Payment providers
   ○ Paypal
   ○ Klarna
   

   View Slide

7. Testing data
   

   View Slide

8. Service Level Tests
   Subcutaneous Test -
   Martin Fowler
   Fills gap between
   unit and UI tests
   They occur in
   parallel to the
   development
   Focus on
   functionality rather
   than behavior /
   experience
   

   View Slide

9. Anti Patterns
   

   View Slide

10. Anti Patterns
    

    View Slide

11. The most common to find in
    the market are new designs
    using Rest, over HTTP
    protocol.
    But you can use Rest with
    other protocols like TCP,
    UDP and gRPC
    (http:/
    /www.grpc.io/).
    

    View Slide

12. View Slide

13. View Slide

14. What we validate in a
    api test?
    ➔ http status code
    200, 201, 400, 401, 500 ...
    ➔ body content
    Json, Plain text, XML ...
    ➔ http headers
    "Content-Type"":"application/json"
    

    View Slide

15. View Slide

16. View Slide

17. View Slide

18. View Slide

19. View Slide

20. View Slide

21. View Slide

22. View Slide

23. http:/
    /racksburg.com/choosing-an-http-status-code/
    

    View Slide

24. Understanding
    HTTP transactions
    

    View Slide

25. request
    response
    VIEW
    

    View Slide

26. View Slide

27. Manual Test Tools:
    

    View Slide

28. But I really need to
    automate API tests?
    

    View Slide

29. Automated Testing Frameworks:
    

    View Slide

30. http:/
    /www.mocky.io/
    

    View Slide

31. https:/
    /github.com/fredmoreira/register-employees
    

    View Slide

32. API Test Project
    DB
    INTERNAL TECH WORKSHOPS
    Environment
    

    View Slide

33. API Test Project
    DB
    HTTP
    

    View Slide

34. Show me the code...
    

    View Slide

35. Repositórios:
    https:/
    /github.com/fredmoreira/register-employees-pyresttest
    https:/
    /github.com/fredmoreira/register-employee-rest-assured-test
    https:/
    /github.com/fredmoreira/register-employees-super-test
    https:/
    /github.com/RamiloNeves18/register-employees-httparty
    https:/
    /github.com/fredmoreira/phone-book
    https:/
    /github.com/RamiloNeves18/register-employees-restsharp
    https:/
    /github.com/fredmoreira/register-employees
    

    View Slide

36. Questions?
    

    View Slide