react-testing-library

Website

testing-library.com

Categories

#Developer Tools #Testing #JavaScript Framework #Automated Testing

CSS Peeper

Website

csspeeper.com

Categories

#Developer Tools #Design Tools #CSS Framework #Development

react-testing-library features and specs

• Focused on user-centric testing
  React Testing Library encourages tests that closely resemble how users interact with an application. This approach makes tests more reliable and meaningful.
• Reduces coupling to implementation details
  By encouraging developers to interact with components via the DOM, the library minimizes dependencies on component internals, making tests less prone to breaking from refactors.
• Improved test readability
  Tests written with React Testing Library are generally easier to read and understand because they focus on what the user sees and does, rather than the internal logic of the components.
• Comprehensive query options
  The library provides a wide range of query methods (e.g., getByText, getByRole), which makes it easy to select elements in ways that resemble how users think.
• Active community and well-maintained
  React Testing Library has a strong, active community and it's maintained by experienced developers who keep the library up-to-date with React's evolution.

Possible disadvantages of react-testing-library

• Limited support for non-DOM testing
  The library is heavily focused on DOM interactions, making it less suited for testing non-DOM logic or scenarios that don't involve user interactions.
• Can be slower
  Tests that involve the DOM can be slower compared to tests that interact directly with component methods and state, which can lead to longer test execution times.
• Learning curve for traditional testers
  Developers who are used to testing implementation details with other tools (like Enzyme) might find it challenging to adjust to the user-centric approach advocated by React Testing Library.
• Potential for less granular control
  Because the library encourages testing through the UI, developers might find it harder to test specific, isolated internal behaviors of components that aren't directly visible to users.
• Dependencies on browser APIs
  The library's reliance on browser APIs means that tests may behave differently in different environments or may require polyfills for certain features, leading to potential inconsistencies.

CSS Peeper features and specs

• User-Friendly Interface
  CSS Peeper features a clean and intuitive interface that makes it easy for designers and developers to quickly understand the CSS of any website without diving into the code.
• Quick Inspection
  The tool allows for rapid inspection of CSS properties directly from the browser, enabling users to analyze styles more efficiently than traditional methods.
• Extracts Colors and Assets
  CSS Peeper automatically extracts color palettes and assets from web pages, providing immediate access to crucial design elements.
• Browser Extension
  Available as a Chrome extension, CSS Peeper is easy to install and use, integrating smoothly into the workflow of many web professionals.
• Time-Saving
  By simplifying the process of inspecting and extracting CSS properties, CSS Peeper saves valuable time for developers and designers.
• No Coding Required
  The tool eliminates the need for manual coding when examining CSS, making it accessible to non-developers.

Possible disadvantages of CSS Peeper

• Limited Browser Support
  Currently, CSS Peeper is only available as a Chrome extension, limiting its use for those who prefer or require other browsers like Firefox or Safari.
• Not Comprehensive
  While CSS Peeper is quick for basic analysis, it may not provide comprehensive details or control for advanced CSS inspection tasks that developers might need.
• Dependency on Extension
  Reliance on a browser extension means that users must install and maintain the extension, which may not be preferred in all environments, especially restricted or managed systems.
• Privacy Concerns
  As with any browser extension, there are potential privacy concerns, particularly in terms of what data the extension might access or share.
• Performance Impact
  Installing too many extensions, including CSS Peeper, can potentially impact browser performance, causing slower load times and increased resource usage.

React unit testing with Jest & React-testing-library

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CSS Peeper: new tool for Web Designers