Why are design patterns so necessary for Selenium development? They can speed up the development and reduce the maintenance impact. Using design patterns in test automation development is not required, but a seasoned automation engineer understands the importance. Greg will discuss the best way to write automated tests, which will be particularly helpful for anyone new to test automation. A final point before diving into some basic design patterns: the elite companies dedicate an experienced automation expert (architect) to think about infrastructure first and oversee all type of automation development.

1. Using Design Patterns to
Improve Automated Testing
@gregsypolt

2. Test Automation Architect
Greg Sypolt
@gregsypolt

3. Agenda
Organization of Tests
Don’t Repeat Yourself
Reusable Components
Test Script Guidelines
Locator Strategy
Waiting Guidelines
Design for Scalability
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4. Design Patterns
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5. Organization of Tests
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6. Best Practices For Organization
Naming convention
Created an empty
folder structure
Clear organization

7. Simple Structure - NightwatchJS

8. Complex Structure - NightwatchJS

9. Don’t Repeat Yourself
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10. Reusable Components
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11. Custom Command

12. Define Reusable Locators

13. Global Test Data

14. Reusable Code In Action

15. Test Script Guidelines
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16. Test Script Guidelines
Linting Code Consistency
Behavior Driven
Testing
Tagging
Don’t Repeat
Yourself
…

17. Waiting Guidelines
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18. Waiting Standards
Sleep () Implicit () Explicit ()

19. Explicit Wait
browser.waitForElementPresent('.author-box', 5000);

20. Locator Strategy
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21. Locator Strategy
ID
1st
NAME
2nd
CSS
3rd
ATTRIBUTE
4th
XPATH
Never

22. Locator Strategy
.hfwmm-list-hed
}

23. Design for Scalability
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24. Design for Scalability
Keep tests small
and modular
No
dependencies
What is your SLA
agreement?
Run tests in
parallel
Implement
unique test data
CI/CD

25. gsypolt@gannett.com
Developers in Test DevOps|
Open Positions

26. Open Forum
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Greg Sypolt
@gregsypolt in/gregsypolt