APIs: A Better Alternative to Page Objects
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Eileen Xie, Head of #sfse lightning takls
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APIs: A Better Alternative to Page Objects
- 1. APIs: A Better Alternative to Page Objects Eileen Xie Head of Quality at PBworks #sfse 8/23/11
- 2. Page Objects
- 3. What are they trying to solve?
- 4. What are they trying to solve? • repetition • maintenance • readability
- 5. How well do they solve them?
- 6. How well do they solve them? • repetition: poorly • maintenance: poorly • readability: poorly
- 7. Repetition
- 8. Repetition • still too many steps • some steps repeated over and over homePage = HomePage.load(); loginPage = homePage.getLoginLink().click(); welcomePage = loginPage.login(); newTaskPage = welcomePage.getNewTaskLink().click(); newTaskPage.getTaskNameField().type(“Learn Selenium”);
- 9. Maintenance
- 10. Maintenance • huge overhead • QA needs to maintain and fix • still dependent on page workflow • still dependent on page structure/layout
- 11. Readability
- 13. What can we do instead?
- 14. What can we do instead? • APIs!
- 15. APIs
- 16. What do they look like?
- 17. What do they look like? createNetwork(); createNetworkWorkspace(); addNetworkUser();
- 18. What do they look like under the hood?
- 19. What do they look like under the hood? function createNetworkFolder(name) { curl(“http://pbworks.com/api_v2/op/ CreateNetworkFolder/name/” + name); }
- 20. What? • Where’s all the code? • Why would we do this? • How do the API calls get tested? • How do we start? • Wait a minute...
- 21. Where’s all the code?
- 22. Where’s all the code? • in the product! • really.
- 23. Why would we do this?
- 24. Why would we do this? • less repetition • makes tests clearer • maintained by developers • easier to read • makes software more testable • test execution speed • better than straight SQL insertions
- 25. How do the API calls get tested?
- 26. How do the API calls get tested? • separate tests! • one test does the API stuff through the UI dashboardPage.getNewTaskLink().click(); newTaskPage.getTaskNameField().type(“Learn Selenium”); newTaskPage.getTaskDueDateField().type(“8/31/11”); • every other test calls the API createTask();
- 27. How do we start?
- 28. How do we start? • figure out what the functions are • talk to your devs! • start with new functionality • greenfield projects
- 29. Wait a minute...
- 30. Wait a minute... • requires a ton of cooperation from devs • huge upfront cost • doesn’t actually replace page objects
- 31. Summary • APIs are awesome • ...and a pain in the ass to start using • complimentary to page objects
- 32. More Info • Our API: http://secure.pbworks.com/api_v2/ • Me: eileen.xie@pbworks.com