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react-testing-library VS Tampermonkey

Compare react-testing-library VS Tampermonkey and see what are their differences

react-testing-library logo react-testing-library

[`React Testing Library`][gh] builds on top of `DOM Testing Library` by adding

Tampermonkey logo Tampermonkey

Greasemonkey compatible script manager.
  • react-testing-library Landing page
    Landing page //
    2022-08-21
  • Tampermonkey Landing page
    Landing page //
    2023-01-13

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.

Tampermonkey features and specs

  • User-Friendly Interface
    Tampermonkey offers an intuitive user interface that makes managing and editing user scripts straightforward.
  • Cross-Browser Support
    Tampermonkey supports all major browsers including Chrome, Firefox, Safari, Edge, and Opera, ensuring compatibility for most users.
  • Sync Capabilities
    The extension provides synchronization options via cloud storage services, enabling users to back up and restore their scripts.
  • Wide Range of Scripts
    Users have access to a vast repository of pre-written scripts that extend functionality on a variety of websites.
  • Automatic Updates
    Tampermonkey can automatically update installed scripts, keeping them up-to-date with the latest features and fixes.
  • Customizability
    Allows users to create and customize their own scripts, providing a high degree of personalization.

Possible disadvantages of Tampermonkey

  • Security Risks
    Scripts can potentially be harmful if they are not from a trusted source, exposing users to security vulnerabilities.
  • Resource Consumption
    Running multiple scripts simultaneously can consume significant browser resources, leading to performance issues.
  • Complex for Beginners
    While the interface is user-friendly, the concept of writing and debugging scripts can be daunting for users without coding experience.
  • Browser Compatibility Issues
    Some scripts may not work uniformly across all supported browsers, leading to inconsistent experiences.
  • Privacy Concerns
    Scripts have the ability to access and manipulate website content, which could lead to privacy issues if not managed properly.

Analysis of react-testing-library

Overall verdict

  • React Testing Library is highly regarded in the React community for its simplicity and effective approach to testing React components. Itโ€™s known for promoting good testing practices that result in reliable and maintainable code.

Why this product is good

  • React Testing Library is considered good because it encourages testing practices that closely resemble how users interact with the application. It emphasizes testing components from the user's perspective and discourages testing implementation details, which can lead to more robust and maintainable tests.

Recommended for

  • Developers looking to improve the reliability of their React applications
  • Teams interested in adopting user-centric testing methodologies
  • Projects that prioritize maintainable and understandable test code

Analysis of Tampermonkey

Overall verdict

  • Yes, Tampermonkey is considered good by many users and developers due to its extensive feature set, ease of use, and stability. It has a strong community support that consistently updates and creates a variety of scripts to enhance user experience across different websites.

Why this product is good

  • Tampermonkey is a popular browser extension that allows users to install and manage user scripts, which can enhance web pages by adding functionalities or automating behaviors. It supports most major browsers and offers a wide range of features including easy script management, cloud synchronization, and an intuitive user interface. This flexibility and power make it a favorite among developers and power users who need custom solutions for specific online tasks.

Recommended for

    Tampermonkey is recommended for developers, tech enthusiasts, and users who wish to customize their web browsing experience. It's especially useful for individuals who frequently use specific websites and want to automate repetitive tasks or add new functionalities that are not natively supported by those sites.

react-testing-library videos

React unit testing with Jest & React-testing-library

More videos:

  • Review - Test a React Component that renders a list with react-testing-library

Tampermonkey videos

5ๆญฅ่ฎฉไฝ ็Žฉ่ฝฌchromeๆต่งˆๅ™จ็ฅž็บงๆ’ไปถtampermonkey-ๆฒน็Œด

Category Popularity

0-100% (relative to react-testing-library and Tampermonkey)
Developer Tools
81 81%
19% 19
Browser Extensions
0 0%
100% 100
Javascript UI Libraries
100 100%
0% 0
Dark Mode
0 0%
100% 100

User comments

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Social recommendations and mentions

react-testing-library might be a bit more popular than Tampermonkey. We know about 137 links to it since March 2021 and only 135 links to Tampermonkey. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

react-testing-library mentions (137)

  • Test-Driven Development for Building User Interfaces
    React Testing Libraryโ€™s core philosophy is that we should write our tests in such a way that we simulate user behavior. By testing what the user can actually do, our tests focus less on implementation details and more on the actual user interface, which leads to less brittle tests and a more reliable test suite. - Source: dev.to / 6 months ago
  • Chaos-Driven Testing for Full Stack Apps: Integration Tests That Break (and Heal)
    In the main branch, we set up Vitest as the test runner and React Testing Library for rendering the component and simulating user interactions. We also set up MSW to intercept the network requests and return mock responses. - Source: dev.to / 10 months ago
  • ๐Ÿš€ 9 Libraries to Boost Your Productivity as a React Developer
    React Testing Library (RTL) provides lightweight utilities built on top of react-dom and react-dom/test-utils, designed to promote testing through user interactions rather than component internals. Instead of working with component instances, RTL encourages querying and asserting against actual DOM nodes, just like real users would. This approach improves test reliability and pushes developers toward writing more... - Source: dev.to / 12 months ago
  • Best Practices for React Applications
    Testing ensures code reliability and maintainability. Jest, Vitest and React Testing Library are standard tools for unit and integration testing. Unit tests verify individual components, while integration tests ensure features work together. For example, testing a TodoList component might involve:. - Source: dev.to / about 1 year ago
  • Migrating from AngularJS to React
    Additionally, I wrote Jest and Enzyme unit tests to demonstrate how to go about unit testing the components, as test driven development (TDD) is another methodology my organization subscribes to. Jest is a unit testing framework that actually shipped with React if you use the Create React App CLI to make a new React project. And at the time, Enzyme was created by Airbnb and added additional functionality to Jest... - Source: dev.to / over 1 year ago
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Tampermonkey mentions (135)

  • Fixing ChatGPT "Lost First Key" Bug in Firefox
    // ==UserScript== // @name ChatGPT Firefox Input Focus Fix // @namespace http://tampermonkey.net/ // @version 1.0 // @description Fixes lost first keystroke in ChatGPT input on Firefox by focusing and clicking the textarea // @match https://chat.openai.com/* // @match https://chatgpt.com/* // @grant none // ==/UserScript== (function () { const simulateClick = (el) => { ... - Source: dev.to / about 1 year ago
  • How to Fix Auto-Expanding Menu Issues in Tampermonkey Script
    // ==UserScript== // @name Hide Expanding Menu Bar // @namespace http://tampermonkey.net/ // @version 0.1 // @require https://code.jquery.com/jquery-3.6.0.min.js // @description Hides Zillow auto-expanding menu // @author mikmak // @match https://www.zillow.com/* // @grant GM_addStyle // ==/UserScript== Const $ = window.$; Function hideExpandingMenu() { ... - Source: dev.to / about 1 year ago
  • How to Force GitHub Actions to Light Theme Using Tampermonkey
    // ==UserScript== // @name Remove data-dark-theme attributes // @namespace http://tampermonkey.net/ // @version 2024-06-23 // @description Remove data-dark-theme attributes from GitHub Actions console // @author masayoshi haruta // @match https://github.com/*/*/actions/runs/* // @icon https://www.google.com/s2/favicons?sz=64&domain=github.com // @grant none //... - Source: dev.to / about 2 years ago
  • How do I remove the yellow highlighting every time I search for a word?
    // @name 0 Highlight remover // @namespace http://tampermonkey.net/ // @version 0.1 // @description try to take over the world! // @author You // @match https://outlook.office.com/mail/id/* // @icon https://www.google.com/s2/favicons?sz=64&domain=office.com // @grant none // ==/UserScript==. Source: over 2 years ago
  • jQuery Library Conflict (TamperMonkey)
    // ==UserScript== // u/name {snipped} // u/namespace http://tampermonkey.net/ // u/version 0.1 // u/description {snipped} // u/author You // u/match {snipped} // u/require http://code.jquery.com/jquery-3.7.1.min.js // u/icon https://www.google.com/s2/favicons?sz=64&domain=pokefarm.com // u/grant none // ==/UserScript== /* global jQuery... Source: over 2 years ago
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What are some alternatives?

When comparing react-testing-library and Tampermonkey, you can also consider the following products

Jest - Jest is a delightful JavaScript Testing Framework with a focus on simplicity.

Violentmonkey - Violentmonkey is a userscript manager to support running userscripts in web pages.

Vitest - A blazing fast unit test framework powered by Vite

Greasemonkey - Customize the way a web page displays or behaves, by using small bits of JavaScript.

Enzyme - Enzyme is a JavaScript testing utility for React.

Userscripts - An open-source userscript editor for Safari.