Making cross browser tests beautiful (v2 2017)
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How many times have your Selenium test suites run beautifully on one browser, only to fail when run in any other browser? This is an extremely common problem faced when incorporating cross-browser tests into your test runs. Not all browser drivers are created equally, but that doesn’t mean you can’t create a robust suite of cross-browser tests. This presentation shares strategies for making cross-browser tests invincible. It focuses on topics such as using as choosing the best locators for all browsers, explicit vs. implicit waits and how to leverage cloud-based testing tools. This presentation was given at O'Reilly Open Source Convention in May 2017.
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Making cross browser tests beautiful (v2 2017)
- 2. Ask me about: ● Continuous deployment ● Scaling automation ● Life @ startups
- 3. ● WHY ● HOW ● PROBLEMS ● SOLUTIONS ● LESSONS LEARNED A
- 4. WHAT DO YOU WANT TO GET OUT OF THIS SESSION?
- 5. WHY ?
- 6. ● Increase confidence your app works in all browsers ● Can easily test changes in browsers ● Save time from manually testing features
- 7. HOW ?
- 8. ● Answer the following questions: ○ Which browsers will be supported? ○ What is the most important workflow to test? ○ How will the tests be run?
- 9. Write automated tests for a student loan refinance application TASK:
- 12. Don’t know how application works in other browsers PROBLEM:
- 16. Step 1: Decide Supported Browsers
- 17. Step 1: Decide Supported Browsers
- 18. Step 2: Decide what to automate ● What is the most crucial workflow to automate?
- 19. Step 3: Decide how to run tests
- 20. Step 3: Decide how to run tests
- 21. Step 4: Write some tests
- 23. IT SHOULD BE AS EASY AS CHANGING THE DRIVER, RIGHT?
- 25. ● Cannot interact with elements in the same way across browsers ● Dropdowns, radio buttons and checkboxes are tricky
- 26. Element is not clickable
- 30. ● Need to wait for elements…. ● Running tests locally vs running remotely
- 31. No Such Element
- 32. IMPLICIT WAITS Wait for a set amount of time
- 33. EXPLICIT WAITS Wait for an event up until a certain amount of time
- 35. ● Drivers are managed separately ● Native capabilities differ ● Same functionality isn’t always available
- 36. FILE UPLOAD
- 37. The Safari Driver is implemented in JS and does not have the privileges necessary to manipulate an <input type = “file”> element. Therefore, the SafariDriver does not support file uploads.
- 38. RESOLUTION
- 39. ● Maximize browser window ● Set a specific resolution at run-time ● Scroll an element into view
- 41. LESSONS LEARNED
- 43. MAKE YOUR TEST SCRIPTS UNIVERSAL
- 45. Run tests in CI regularly
- 46. QUESTIONS? LinkedIn: meaghan-lewis Twitter: @iammeaghanlewis Email: meaghan@lever.co