Articles

Development and testing trends, how-tos, and guides from the Reflect community.
Front-end Development
How-tos & Guides
7 min read
Guide to testing Angular apps
Learn the basics of testing Angular apps, including guide for unit testing, component testing, and end-to-end testing.
Front-end Development
7 min read
Introduction to Ladle
In this article we introduce Ladle, an open-source tool for viewing and testing React components that is a drop-in replacement for Storybook.
End-to-end Testing
How-tos & Guides
11 min read
Testing drag-and-drop workflows in Cypress
Learn everything you need to know to test drag-and-drop interactions with the Cypress testing framework
End-to-end Testing
How-tos & Guides
11 min read
How to deal with StaleElementReferenceException in Selenium
Learn what StaleElementReferenceException is, why and when it occurs, and how to avoid it in your Selenium tests.
End-to-end Testing
How-tos & Guides
8 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
10 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.

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