Custom Jest environment that detects async leaks between tests, enforces test isolation, and prevents flaky failures in CI.
Run real third-party APIs in test sessions — Resend, Twilio, Stripe — with first-class assertions. Per-test isolation, no mocks.
Storybook for React and Vite: Develop, document, and test UI components in isolation
Storybook for React and Webpack: Develop, document, and test UI components in isolation
Storybook Vue 3 renderer: Develop, document, and test UI components in isolation
A high-level API to automate web browsers
A high-level API to automate web browsers
Storybook Svelte renderer: Develop, document, and test UI components in isolation.
Storybook HTML renderer: Develop, document, and test UI components in isolation
HTTP server mocking and expectations library for Node.js
Storybook Web Components renderer: Develop, document, and test UI components in isolation
Storybook Server renderer: Develop, document, and test UI components in isolation
Storybook: Develop, document, and test UI components in isolation
vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules.
Storybook Preact renderer: Develop, document, and test UI components in isolation
A WebdriverIO runner to run tests locally
Node.js test runner that lets you develop with confidence.
Storybook for Preact and Vite: Develop, document, and test UI components in isolation
An end-to-end terminal testing framework for CLI and TUI experiences
The InAppBrowser Plugin provides a web browser view that allows you to load any web page externally. It behaves as a standard web browser and is useful to load untrusted content without risking your application's security. It offers three different ways t
Test runner for web applications
A mock store for testing your redux async action creators and middleware
A Transactional Method Decorator for typeorm that uses cls-hooked to handle and propagate transactions between different repositories and service methods. Inpired by Spring Trasnactional Annotation and Sequelize CLS
Invoke scoped data storage for AWS Lambda Node.js Runtime Environment
HTTP mocking to test Rust applications.
Safe SQL for Rust — if it compiles, the SQL is correct
Bump allocator with thread-local recycling for bsql drivers
Runtime support for bsql — compile-time safe SQL for Rust
PostgreSQL wire protocol driver for bsql — binary protocol, arena allocation, zero-copy
SQLite driver for bsql — direct FFI, arena allocation, dedicated-thread pool
Proc macros for bsql — compile-time safe SQL for Rust
Isolate your tests from each other by running them in isolation
Testing Rails::Engine boot proccess.
Test Kitchen is an integration tool for developing and testing infrastructure code and software on isolated target platforms.
cide is a command-line tool that runs tests in an isolated (docker) environment. It allows to run the same command on the developer and CI machines.
Decreases the need to write integration tests by ensuring that the things you stub or mock actually exist.
Run each test_* method in a separate process thus eliminating test case interference.
Extension of Ruby’s standard Logger for advanced, structured logging. Includes log entry attributes, context isolation, customizable formatters, flexible output devices, and testing tools.
Isolated copy of TestBench for testing TestBench
Fourchette is your new best friend for having isolated testing environment. It will help you test your GitHub PRs against a fork of one your Heroku apps. You will have one Heroku app per PR now. Isn't that amazing? It will make testing way easier and you won't have the (maybe) broken code from other PRs on staging but only the code that requires testing.
Good for testing dependencies of a gem and/or different gem version combinations
Enforce isolation in your unit tests.
Store Paperclip attachments in your temporary directory
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