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30 seconds of code VS react-testing-library

Compare 30 seconds of code VS react-testing-library and see what are their differences

30 seconds of code logo 30 seconds of code

JS snippets that you can understand in 30 seconds or less.

react-testing-library logo react-testing-library

[`React Testing Library`][gh] builds on top of `DOM Testing Library` by adding
  • 30 seconds of code Landing page
    Landing page //
    2023-09-23
  • react-testing-library Landing page
    Landing page //
    2022-08-21

30 seconds of code features and specs

  • Concise Snippets
    30 seconds of code offers short, well-commented snippets that provide quick solutions to common programming challenges, making it easy for developers to implement without extensive modification.
  • Educational Resource
    The snippets serve as a great educational tool for learning new coding techniques and JavaScript features, helping developers enhance their skills incrementally.
  • Community-Driven
    The repository is maintained by a community of developers, ensuring that the code is peer-reviewed and can be continuously improved through collective contributions.
  • Broad Coverage
    The repository covers a wide range of categories including arrays, objects, functions, and more, providing snippets for various common use cases in JavaScript development.
  • Readily Accessible
    Because the code is available on GitHub, it is easily accessible to anyone with an internet connection, promoting widespread usage and collaboration.

Possible disadvantages of 30 seconds of code

  • Not Always Best Practice
    Some snippets prioritize brevity over best practice, which may lead to less efficient or less readable code in real-world applications.
  • Lack of Context
    The snippets are often given without extensive context or surrounding code, which can make it challenging for beginners to understand how to integrate them into larger projects.
  • Limited Explanation
    Brief descriptions and comments may not suffice for someone who needs a deeper understanding of why the code works the way it does.
  • Outdated Code
    As JavaScript continues to evolve, some snippets might become outdated or less optimal compared to modern alternatives.
  • Over-Simplification
    While aimed at being quick solutions, some snippets might oversimplify complex problems, potentially leading developers to underestimate the underlying complexity.

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.

Analysis of 30 seconds of code

Overall verdict

  • 30 seconds of code can be considered a good resource due to its concise and clear presentation of useful code snippets. It helps developers learn and apply new concepts efficiently, making it a solid tool for learning and quick reference.

Why this product is good

  • 30 seconds of code is a collection of JavaScript snippets that are designed to be easily digestible and practical. It serves as a valuable resource for both beginners and experienced developers, offering a quick way to understand and implement common coding patterns and solutions. The snippets are well-documented and typically focus on performance, best practices, and simplicity.

Recommended for

  • Beginner developers looking to learn JavaScript concepts through examples.
  • Experienced developers seeking quick reference material.
  • Developers who value performance-oriented and well-documented code snippets.
  • Anyone looking for inspiration or quick solutions to common JavaScript problems.

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. It’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

30 seconds of code videos

30 Seconds Of Code - Check This Curated Collection Of Useful JavaScript Snippets

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

Category Popularity

0-100% (relative to 30 seconds of code and react-testing-library)
Developer Tools
46 46%
54% 54
Productivity
100 100%
0% 0
Automated Testing
0 0%
100% 100
Tech
100 100%
0% 0

User comments

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Social recommendations and mentions

Based on our record, react-testing-library seems to be a lot more popular than 30 seconds of code. While we know about 133 links to react-testing-library, we've tracked only 6 mentions of 30 seconds of code. 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.

30 seconds of code mentions (6)

  • What are the best open source repos in github that a beginner should READ?
    You could also check out: 1. 30 seconds of code 2. JavaScript30 3. JavaScript Algorithms. Source: about 2 years ago
  • Awesome Github Repos to Master JAVASCRIPT
    😎 a quick reference with short solutions for your development needs in javascript -> 30-seconds-of-code. - Source: dev.to / over 2 years ago
  • This is my first blog!
    Hello everyone, my name is Thanh Cong Van, my friends usually call me Steven as my Vietnamese name is hard to pronounce. I am living in Toronto, due to the pandemic, I believe that some of my peers are living in different place right now. I am currently taking Computer Programming and Analysis at Seneca, all I want from my program is to have good skills on front-end development. People tend to love full stack... - Source: dev.to / over 3 years ago
  • Open Source Development -W1
    The GitHub repo, I have interest in is "30 seconds of code" [https://github.com/30-seconds/30-seconds-of-code]. It is a website which provides short JavaScript code snippets for users. I find it very helpful for me when I work on my project later on. - Source: dev.to / over 3 years ago
  • Hello Word!
    For my forked repo, I picked the 30-seconds-of-code (https://github.com/30-seconds/30-seconds-of-code). It’s a repo with short snippets of JavaScript code to help people coding in JavaScript. Very useful for people like me that are always learning something and trying different things. - Source: dev.to / over 3 years ago
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react-testing-library mentions (133)

  • 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 / 2 months ago
  • How To Convert HTML CSS JS To React JS
    After converting your components, take some time to test your application. Make sure everything is working as expected. React’s development server automatically reloads your application whenever you save changes, which makes testing a lot easier. Tools like Jest and React Testing Library are also available to help you write tests for your components. - Source: dev.to / 2 months ago
  • How To Write Unit Test Cases In React JS
    React Testing Library: For testing React components from a user’s point of view, visit the React Testing Library documentation. - Source: dev.to / 3 months ago
  • Top 20 Modern React Libraries To Supercharge Your Next Big Project
    Resource: React Testing Library Documentation. - Source: dev.to / 4 months ago
  • Next.js Testing Guide: Unit and E2E Tests with Vitest & Playwright
    In this article, you will write unit tests in Next.js client components and synchronous server components using Vitest and React Testing Library, and you will write end-to-end tests for your async server components using Playwright. - Source: dev.to / 4 months ago
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What are some alternatives?

When comparing 30 seconds of code and react-testing-library, you can also consider the following products

CodeMyUI - Handpicked code snippets you can use in your web projects

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

Codespace - A beautiful cross-platform code snippet manager

Storybook - Storybook is an open source tool for developing UI components in isolation for React, Vue, and Angular. It makes building stunning UIs organized and efficient.

DhiWise - DhiWise is a ProCode platform that helps you build clean, scalable, and customizable native and cross-platform apps. Focus on what matters as a programmer and let DhiWise do the rest.

Enzyme - Enzyme is a JavaScript testing utility for React.