Search Results for "testing"
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Showing 182 open source projects for "testing"
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Delightful JavaScript Testing
Delightful JavaScript Testing
Jest is a delightful JavaScript Testing Framework with a focus on simplicity. Jest aims to work out of the box, config-free, on most JavaScript projects. Make tests that keep track of large objects with ease. Snapshots live either alongside your tests or embedded inline. Tests are parallelized by running them in their own processes to maximize performance. By ensuring your tests have unique global state, Jest can reliably run tests in parallel. -
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eslint-plugin-testing-library
ESLint plugin to follow best practices and anticipate common mistakes
ESLint plugin to follow best practices and anticipate common mistakes when writing tests with Testing Library. You can find detailed guides for migrating eslint-plugin-testing-library in the migration guide docs. Add testing-library to the plugins section of your .eslintrc configuration file. You can omit the eslint-plugin- prefix. With the default setup mentioned before, eslint-plugin-testing-library will be run against your whole codebase. -
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FreeLLMAPI
OpenAI-compatible proxy that aggregates free-tier keys from ~14 AI
...It is not positioned as an enterprise-grade service or a way to bypass provider terms, but as a local coordination layer for personally owned free-tier credentials. freellmapi is useful for developers who want a practical testing proxy for comparing models, managing limits, and improving request continuity. -
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MCPJam
Postman for MCPs - A tool for testing and debugging MCPs
Inspector by MCPJam is a visual developer tool—akin to Postman—for testing and debugging MCP servers, with capabilities to simulate and trace tool execution via various transports and LLM integrations. -
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Shannon
Fully autonomous AI hacker to find actual exploits in your web apps
Shannon is an autonomous AI penetration testing system built to find and prove real, exploitable vulnerabilities in web applications rather than stopping at static warnings or best-guess alerts. It focuses on “proof by exploitation,” meaning it actively hunts for attack vectors in your code and then attempts to execute end-to-end exploits to demonstrate impact. The project blends source-aware analysis with automated web interaction so it can validate issues like injection flaws, authentication bypasses, and other exploitable paths in a way that resembles an actual attacker’s workflow. ... -
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React Native Owl
Visual regression testing library for React Native
...While Detox focuses on end-to-end testing in general, React Native Owl focuses on visual regression testing and helping you catch unexpected changes to the visual appearance of your app over time. -
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Auto Claude
Autonomous multi-session AI coding
...Instead of relying on a single chat thread to do everything, it uses coordinated agents and a task-driven approach so multiple steps—like investigation, implementation, and testing—can be executed systematically. The project aims to make “agentic software engineering” feel like running a small virtual dev team by giving you an opinionated process for turning goals into scoped tasks and then driving those tasks to completion. It includes guardrails intended to keep automation safer, such as restricting file operations to the project workspace and controlling which commands can be run based on the detected tech stack. -
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Prompt Optimizer
A prompt word optimizer to help write high-quality prompt words
...With support for different deployment modes including web apps, desktop apps, Chrome plugins, and Docker containers, Prompt-Optimizer offers flexibility that suits both individual developers and teams working in diverse environments. It also includes advanced capabilities like multi-model integration, context testing, and real-time comparison of prompt outputs, helping users to see exactly how prompt changes influence results. -
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Jest
Delightful JavaScript Testing
...It has a great API, is well maintained and well documented, and can be extended to meet your exact requirements. Simply put, Jest just makes testing delightful! -
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Passmark
The open-source Playwright library for AI browser regression testing
The Passmark project is an open-source AI-powered regression testing framework built on top of Playwright that enables developers to write end-to-end browser tests using natural language instead of traditional scripting. It is designed to simplify and accelerate testing workflows by allowing AI models to interpret human-readable instructions and translate them into executable browser actions. One of its defining features is a cache-first execution model, where AI is used initially to discover how to perform actions, and those actions are then stored and replayed at native speed in future runs. ... -
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Testcontainers node
Supports tests, providing lightweight, throwaway instances of database
...No more need for mocks or complicated environment configurations. Define your test dependencies as code, then simply run your tests and containers will be created and then deleted. With support for many languages and testing frameworks, all you need is Docker. Use a containerized instance of your database to test your data access layer code for complete compatibility, without requiring a complex setup on developer machines. Trust that your tests will always start with a known state. Use containerized web browsers, compatible with Selenium, to run automated UI tests. ... -
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QA Wolf
Create browser tests 10x faster
Set up browser tests in minutes to find bugs before your users do. QA Wolf helps you create, run, and maintain end-to-end tests 10x faster. We found browser testing too difficult and often gave up on it entirely in our previous jobs. We built QA Wolf for developers like us who want to spend less time testing and more time shipping. QA Wolf is zero-effort automated QA. We get you to 80% coverage in four months, and keep you there, so your team can stay focused on shipping. 2/3 of tech companies have less than 50% test coverage. ... -
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fast-check
Property based testing framework for JavaScript
A property-based testing library for JavaScript, Fast-Check generates test cases to identify edge cases and unexpected behavior. -
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Expect
Let agents test your code in a real browser
...The design suggests a focus on productivity, reducing cognitive load when writing and reviewing tests or validation scripts. It is likely adaptable across multiple contexts, including unit testing, integration testing, and runtime assertions. By abstracting repetitive validation logic, expect helps developers focus on behavior rather than implementation details. Overall, it serves as a lightweight but powerful tool for improving software reliability and clarity in testing workflows. -
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OctoMind MCP
An MCP server for octomind tools, resources and prompts
The Octomind MCP Server is designed to integrate Octomind's end-to-end testing tools and resources into local development environments. It enables AI-powered interfaces to create, execute, and manage e2e tests, enhancing the testing workflow. -
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TestSprite
AI-powered automated testing from your terminal
TestSprite is the official command-line interface for TestSprite’s AI-powered testing platform. It lets developers and coding agents run automated tests against live frontend and backend applications from the terminal. The CLI is designed as a verification layer for agentic coding workflows, so an AI agent can create tests, run them, inspect failures, fix code, and rerun checks. It returns structured failure bundles that can include failing steps, screenshots, DOM snapshots, test source, root-cause hypotheses, and recommended fix targets. ... -
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Genkit
An open source framework for building AI-powered apps
Genkit is an open-source framework developed by Firebase for building AI-powered applications using familiar code-centric patterns. It simplifies the development, integration, and testing of AI features, providing observability and evaluation tools, and supports various models and platforms for versatile AI application development. -
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serve-sim
The `npx serve` of Apple Simulators
...The tool is especially useful for AI coding agents such as Codex, Cursor, and Claude Desktop because they can interact with a simulator through browser-driven workflows. It can run locally, over a LAN, or through a remote Mac with tunneling. The web UI streams the simulator and forwards clicks, enabling browser-based end-to-end testing and debugging. serve-sim is best suited for iOS development, agent testing, remote simulator access, and mobile UI automation workflows. -
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Claude Code Haha
Claude Code leaked source - locally runnable version
...While it retains the core functionality of analyzing and modifying codebases, the project introduces variations that highlight both the strengths and quirks of autonomous coding assistants. It serves as a sandbox for testing how agents interpret instructions, manage context, and execute development tasks in a less formal or more exploratory setting. The repository likely includes playful modifications, custom prompts, or unconventional workflows that reveal edge cases in agent behavior. Despite its informal tone, it still provides insight into how coding agents can be structured and extended. ... -
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SaaS Boilerplate
SaaS Boilerplate built with Next.js + Tailwind CSS + Shadcn UI
...Packed with essential features like built-in Authentication, Multi-Tenancy with Team support, Role & Permission, Database, I18n (internationalization), Landing Page, User Dashboard, Form handling, SEO optimization, Logging, Error reporting with Sentry, Testing, Deployment, Monitoring, and User Impersonation, this SaaS template provides everything you need to get started. Designed with developers in mind, this Next.js Starter Kit uses TypeScript for type safety and integrates ESLint to maintain code quality, along with Prettier for consistent code formatting. The testing suite combines Vitest and React Testing Library for robust unit testing, while Playwright handles integration and E2E testing. -
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React Screenshot Test
A dead simple library to screenshot test React components
A dead simple library to screenshot test React components. Under the hood, we start a local server that renders components server-side. Each component is given its own dedicated page (e.g. /render/my-component). Then we use Puppeteer to take a screenshot of that page. If you work on a team where developers use a different OS (e.g. Mac OS and Linux), or if you develop on Mac OS but use Linux for continuous integration, you would quickly run into issues where screenshots are inconsistent... -
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CodeBurn
See where your AI coding tokens go
...Overall, Codeburn acts as an automated adversarial testing layer that strengthens application security. -
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LangWatch
The platform for LLM evaluations and AI agent testing
LangWatch is an open-source observability and monitoring platform designed to help developers evaluate and improve applications built with large language models. The platform provides tools for tracking model interactions, analyzing prompt behavior, and identifying issues such as hallucinations, latency problems, or unexpected responses. By collecting telemetry data from AI applications, LangWatch allows developers to understand how their systems perform in real-world usage scenarios. The... -
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XState
State machines and statecharts for the modern web
JavaScript and TypeScript finite state machines and statecharts for the modern web. Statecharts are a formalism for modeling stateful, reactive systems. This is useful for declaratively describing the behavior of your application, from the individual components to the overall application logic. XState is a library for creating, interpreting, and executing finite state machines and statecharts, as well as managing invocations of those machines as actors. The following fundamental computer... -
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Tunnelmole
Connect to local servers from anywhere
Tunnelmole is a command-line tool that gives locally running HTTP and HTTPS servers a public URL. It is designed for developers who need to expose a local app, API, Docker container, Node project, React app, or static site for testing and sharing. By running a simple command with a local port, users can route public traffic to a service running on their own machine. The project is often compared to ngrok, but it is open source and can be used with the public hosted service or a self-hosted Tunnelmole service. It is especially useful for testing webhooks, sharing work-in-progress apps, mobile testing, client previews, and development demos. ...
