Articles

Development and testing trends, how-tos, and guides from the Reflect community.
End-to-end Testing
How-tos & Guides
9 min read
How to fix an InvalidSelectorException in Selenium
Learn why InvalidSelectorExceptions occur and how to avoid them in your Selenium tests.
How-tos & Guides
8 min read
How to mock API requests in React tests with Mirage JS
With Mirage, you can easily mock out the HTTP calls in your React tests to ensure tests are fast and resilient over time.
How-tos & Guides
8 min read
Guide to Safari Developer Tools
Learn how to use Apple Safari's built-in developer tools to inspect and debug your web applications.
How-tos & Guides
6 min read
UI Testing with Postman
Despite being focused on API testing, Postman does have some capabilities that allow users to create simple UI tests
End-to-end Testing
How-tos & Guides
11 min read
How to test drag-and-drop interactions in Playwright
Learn everything you need to know to test drag-and-drop interaction with the Playwright testing framework
End-to-end Testing
How-tos & Guides
7 min read
Testing pseudo-elements in Cypress
Make interactions and create assertions for pseudo-elements like ::before and ::after using this guide.
How-tos & Guides
6 min read
Using Postman to test SOAP web services
Learn how to use Postman to create automated API tests for SOAP web services
End-to-end Testing
How-tos & Guides
8 min read
Testing mobile web apps in Cypress
Tips and tricks for how to emulate mobile devices in your Cypress tests.
End-to-end Testing
How-tos & Guides
8 min read
Using Playwright for API testing
A walkthrough on how to use Playwright to create standalone API tests as well as incorporate API calls into a larger end-to-end testing workflow.
End-to-end Testing
How-tos & Guides
5 min read
API testing in Cypress
Learn how to create API tests using the Cypress testing framework.

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