Cucumber testing support for blix/rest

This gem helps in determining the optimal set of headers for API requests by testing various header combinations.

Convert OpenAPI specs into beautiful, interactive documentation with live API testing

A Rails engine providing comprehensive observability for LLM-powered applications. Features include session tracking, trace analysis, prompt management, cost monitoring, and optional chat/agent testing UI (with RubyLLM integration).

Ruby OpenID Test Server (ROTS) provides a basic OpenID server made in top of the Rack gem. With this small server, you can make dummy OpenID request for testing purposes, the success of the response will depend on a parameter given on the URL of the authentication request.

Simple and powerful feature flag and A/B testing client for SetBit. Provides boolean flags, weighted variant distribution, and conversion tracking.

Percy visual testing for Ruby Appium Mobile Apps

The lightweight, explicit testing framework for Ruby.

WARNING: Contains intentional security vulnerabilities including command injection, YAML deserialization, eval injection, and hardcoded secrets. For testing GitLab dependency scanning, SAST tools, and security training ONLY. DO NOT use in production.

IrtRuby is a comprehensive Ruby library for Item Response Theory (IRT) analysis, commonly used in educational assessment, psychological testing, and survey research. Features three core IRT models: • Rasch Model (1PL) - Simple difficulty-only model • Two-Parameter Model (2PL) - Adds item discri...

This gem attempts to provide a more robust model for web application testing, on top of Watir-WebDriver which already has significant improvements over just Selenium or WebDriver, based on describing pages and then interacting with the descriptions.

Browser-drivers has pre-configured web-browser drivers that can be used out-of-the-box for the development of UI based applications. It is built using Ruby and utilises the Capybara library (A web application testing platform) to simulate how a user interacts with the applications being tested. I...

Implementation of classic multi-armed bandit algorithms in Ruby. Supports Thompson Sampling, UCB1, and Epsilon-Greedy strategies with a simple, consistent API for A/B testing and optimization tasks.

Gem that allows easy integration for headless testing using puppeteer.

A gem that provides integration between Sorbet type checking and RSpec testing framework

A utility to generate patients for unit testing clinical quality measure logic. The instructions for generation are guided by HQMF documents and exported into various health standards, e.g. C32, CCR.

A status bar for development and testing rails environments to distinguish between development, staging, and production environments and show status of turbo/hotwire

VCR-like style gem for WebSocket testing

An MCP (Model Context Protocol) server that gives AI assistants (Claude, Cursor, Copilot, VS Code) deep, intelligent understanding of any Rails application. 15 tools covering routes, models, controllers, security, testing, and full request lifecycle tracing.

A one-function library that helps you build a temporary Docker image, run a temporary Docker container from it, and then clean up, deleting them both. This may be helpful for automated testing, when you test how your code might behave in an isolated environment. This may also be helpful when you ...