testing
Local AWS emulator focused on fast integration testing, with SQS support, SQLite-backed state, and a debug-friendly web UI.
Hiraeth is a local AWS emulator focused on fast integration testing. The first release target is SQS: signed AWS SDK requests go through a local HTTP endpoint, state is stored in SQLite, and an optional web UI exposes the local emulator state for debugging.
Open-Source API Security Testing Framework.
API security testing framework for REST, GraphQL, and gRPC that validates authorization logic using role-based testing and YAML-driven templates.
Hadrian is an open-source API security testing framework that detects OWASP API Top 10 vulnerabilities in REST, GraphQL, and gRPC APIs. It uses role-based authorization testing and YAML-driven templates to automatically find broken object-level authorization (BOLA), broken function-level authorization (BFLA), broken authentication, and other critical API security flaws — without writing custom test code.
A PHP function to work with private properties and methods.
This package offers an invade function that will allow you to read/write private properties of an object. It will also allow you to call private methods.
Hegel is a universal property-based testing protocol and family of libraries, built on Hypothesis.
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Property-based testing for web UIs, autonomously exploring and validating correctness properties, finding harder bugs earlier.
Runs in your local developer environment, in CI, and inside Antithesis.
The open source toolbox for resilient operations.
Rebound is a set of tools, ranging from a network injection fault proxy to a reliability automation platform, so people can rely on you being there when they need.
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End-to-End UI Testing for Mobile and Web.
Maestro makes UI testing dead simple. Write your first test in under 5 minutes. Maestro is an open-source framework that makes UI and end-to-end testing for Android, iOS, and web apps simple and fast. Write your first test in under five minutes using YAML flows and run them on any emulator, simulator, or browser.
Pure Go Redis test server, used in Go unittests.
Sometimes you want to test code which uses Redis, without making it a full-blown integration test. Miniredis implements (parts of) the Redis server, to be used in unittests. It enables a simple, cheap, in-memory, Redis replacement, with a real TCP interface. Think of it as the Redis version of net/http/httptest.
runn ( means "Run N". is pronounced /rʌ́n én/. ) is a package/tool for running operations following a scenario.
Key features of runn are:
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As a tool for scenario based testing.
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As a test helper package for the Go language.
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As a tool for workflow automation.
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Support HTTP request, gRPC request, DB query, Chrome DevTools Protocol, and SSH/Local command execution
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OpenAPI Document-like syntax for HTTP request testing.
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Single binary = CI-Friendly.
Extensible MacOS system telemetry generator.
MacNoise is an extensible and modular macOS system telemetry generation framework. It generates real system events (network connections, file writes, process spawns, plist mutations, TCC permission probes, and more) so security teams can validate that their EDR, SIEM, and firewall tooling detects what it is supposed to detect.
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Welcome to Ortoni Report, a comprehensive and visually appealing HTML report generator tailored for Playwright tests. Designed with powerful features and customizable options, Ortoni Report simplifies the process of reviewing and managing test results, making test reporting more intuitive and accessible.
holistic Visual Regression Testing cloud. Open source alternative to Percy, Chromatic, Applitools.
Lost Pixel is an open-source visual regression testing tool. Run visual regression tests on your Storybook and Ladle stories and your application pages.
Parallel testing for PHPUnit.
The objective of ParaTest is to support parallel testing in PHPUnit. Provided you have well-written PHPUnit tests, you can drop paratest in your project and start using it with no additional bootstrap or configurations!
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API mocking library for browser and Node.js. Industry standard API mocking for JavaScript.
Mock Service Worker is an API mocking library that allows you to write client-agnostic mocks and reuse them across any frameworks, tools, and environments.
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🚰 PHPUnit Plugin for detecting Memory Leaks in code and tests.
This library is a PHPUnit plugin that detects memory leaks in tested code or tests. It utilizes memory_get_usage() to make sure the code being executed properly cleans up after itself.
Automated tests for your infrastructure code.
Terratest is a Go library that provides patterns and helper functions for testing infrastructure, with 1st-class support for Terraform, Packer, Docker, Kubernetes, AWS, GCP, and more.
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a lightweight, security focused, BDD test framework against terraform.
terraform-compliance is a lightweight, security and compliance focused test framework against terraform to enable negative testing capability for your infrastructure-as-code.
Automatically generate Go test boilerplate from your source code.
gotests is a powerful Go test generator that automatically creates table-driven tests from your source code. It analyzes function and method signatures to generate comprehensive test scaffolding, saving you time and ensuring consistency across your test suite.
Regression Testing your SQL queries.
The regresql tool implement a regression testing facility for SQL queries, and supports the PostgreSQL database system. A regression test allows to ensure known results when the code is edited.
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Automated API Testing From Live Traffic. Node.js SDK for capturing and replaying API calls made to/from your service.
The Node.js Tusk Drift SDK enables fast and deterministic API testing by capturing and replaying API calls made to/from your service. Automatically record real-world API calls, then replay them as tests using the Tusk CLI to find regressions. During replay, all outbound requests are intercepted with recorded data to ensure consistent behavior without side-effects.
Coverage.py is a tool for measuring code coverage of Python programs. It monitors your program, noting which parts of the code have been executed, then analyzes the source to identify code that could have been executed but was not.
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Language-agnostic API mocking and testing utility.
mock is an API utility - it lets you:
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define API routes easily through API configuration files or through command-line parameters.
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use shells scripts as response handlers. Or any other type of program can act as response handlers.
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test your API - make assertions on whether an endpoint was requested.
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Mock the APIs You Depend On. flexible, open source API mocking. A tool for mocking HTTP services.
WireMock supports several approaches for creating mock APIs - in code, via its REST API, as JSON files and by recording HTTP traffic proxied to another destination. WireMock has a rich matching system, allowing any part of an incoming request to be matched against complex and precise criteria. Responses of any complexity can be dynamically generated via the Handlebars based templating system. Finally, WireMock is easy to integrate into any workflow due to its numerous extension points and comprehensive APIs.
The chaos engineering toolkit for developers.
The Chaos Toolkit, or as we love to call it “ctk”, is a simple CLI-driven tool who helps you write and run Chaos Engineering experiment. It supports any target platform you can think of through existing extensions or the ones you write as you need.
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Mockery is a project that creates mock implementations of Golang interfaces. It inspects source code and generates implementations of the interface that aid in testing.
In addition to providing a number of different styles of mocks, mockery also allows users to provide their own template files that will then be rendered using a set of template data, methods, and functions that provide comprehensive typing information about the Go interface in question.
GoMock is a mocking framework for the Go programming language.
Go Reference
gomock is a mocking framework for the Go programming language. It integrates well with Go's built-in testing package, but can be used in other contexts too.
This project originates from Google's golang/mock repo. Unfortunately, Google no longer maintains this project, and given the heavy usage of gomock project within Uber, we've decided to fork and maintain this going forward at Uber.
Thou Shalt Write Tests.
A toolkit with common assertions and mocks that plays nicely with the standard library.
Go code (golang) set of packages that provide many tools for testifying that your code will behave as you intend.
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Visual testing tool for MCP servers.
The MCP inspector is a developer tool for testing and debugging MCP servers.
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Cut your dev loop from hours to seconds. The fastest way to deliver code. Connect your local process and your cloud environment, and run local code in cloud conditions.
mirrord lets you run your microservice locally with seamless access to everything in the cloud—speeding up development, improving code quality, and reducing cloud costs.
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LISA is developed and maintained by Microsoft, to empower Linux validation. Linux Integration Services Automation (LISA) is a Linux quality validation system, which consists of two parts：
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A test framework to drive test execution.
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A set of test suites to verify Linux kernel/distribution quality.
Semantic unit testing is a testing approach that evaluates whether a function's implementation aligns with its documented behavior. The code is analyzed using LLMs to assess whether the implementation matches the expected behavior described in the docstring.
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WordPress REST API Testing Tool.
Discover and test WordPress REST API endpoints.
An MCP server that autonomously evaluates web applications.
Browser Agents to vibe-test your web app. Let browser agents vibe-test your vibe-coding.
10x your vibe coding by giving your coding agent a browser agent that can vibe-test web applications via MCP.
Open source, AI-native testing framework for web apps.
End-to-end testing framework powered by visual AI agents that see your interface and adapt to any changes in it.
tox aims to automate and standardize testing in Python. It is part of a larger vision of easing the packaging, testing and release process of Python software (alongside pytest and devpi).
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Hurl, run and test HTTP requests with plain text.
Hurl is a command line tool that runs HTTP requests defined in a simple plain text format.
It can chain requests, capture values and evaluate queries on headers and body response. Hurl is very versatile: it can be used for both fetching data and testing HTTP sessions.
Hurl makes it easy to work with HTML content, REST / SOAP / GraphQL APIs, or any other XML / JSON based APIs.
Easier than "sacarse los mockos".
Create API mocks collaboratively, fully online and with custom code logic.
Inject chaos into your Laravel application with ease!
Laravel Bazooka is a powerful Laravel package that allows you to inject controlled chaos into your application. Whether you're testing resilience, simulating failures, or just having fun, Bazooka provides a simple and configurable way to disrupt your application's behavior.
pycobertura is a generic Cobertura report parser. It was also designed to help prevent code coverage from decreasing with the pycobertura diff command: any line changed should be tested and uncovered changes should be clearly visible without letting legacy uncovered code get in the way so developers can focus solely on their changes.
a JavaScript test coverage tool.
Istanbul instruments your ES5 and ES2015+ JavaScript code with line counters, so that you can track how well your unit-tests exercise your codebase.
Quality Without compromise. Achieve effortless quality with zero coding, zero maintenance, and the autonomous power of the world's first open-source testing agent.
Welcome to Hercules, the world's first open-source testing agent that's here to lift your testing burdens with the strength of a mythological hero.
autonomous software testing.
Antithesis is a continuous reliability platform that autonomously searches for problems in your software within a simulated environment. Every problem we find can be perfectly reproduced, allowing for efficient debugging of even the most complex problems.
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A Powerful API Mocking and Testing Tool
A full suite of tools to create and share API contracts, test APIs, mock them, and integrate them with web and mobile apps with ease.
The fully integrated standalone wiki and acceptance testing framework.
🐢 Open-Source Evaluation & Testing for AI & LLM systems.
The testing framework dedicated to ML models, from tabular to LLMs. Control risks of performance, bias and security issues in AI systems.
Robot Framework is an open source automation framework for test automation and robotic process automation (RPA). It is supported by the Robot Framework Foundation and widely used in the industry.
Its human-friendly and versatile syntax uses keywords and supports extending through libraries in Python, Java, and other languages.
It integrates with other tools for comprehensive automation without licensing fees, bolstered by a rich community with hundreds of 3rd party libraries.
Build High-Quality Software with AI‑Powered Testing.
Empowering your testing journey with precision and efficiency. Our AI-augmented tools ensure not just excellence but also the ability to deliver high-quality software at scale.
Idle: The Chillest Container You'll Ever Run 💤.
📦 Idle is a minimalist container designed to do nothing but idle indefinitely.
Idle is written in minimalist C. It includes graceful handling of SIGINT/SIGTERM signals for a clean shutdown, ensuring it's a well-behaved citizen in your Kubernetes cluster.
Dev Proxy is an API simulator that helps you effortlessly test your app beyond the happy path.
You test your app to make sure it works as intended. But what if the APIs you use fail? Will your app lose your customer's data? How do you test for this? Simulating API failures is hard. You end up writing code that you won't be shipping or worse: not testing at all. That's why we built Dev Proxy, to simulate API errors so that you can easily test your app without changing your code.
data plane testing utility of cloud native.
kdoctor is a Kubernetes data plane testing component that conducts functional and performance tests on clusters using proactive pressure injection. It addresses the operational needs of network, storage, and applications by adopting a cloud-native approach based on extensive research and abstraction. With its CRD design, kdoctor can seamlessly integrate with observability components.
Automate dogfoodingfor your team. Get more eyes on your web app. Testing your product is now just a simple command away. Get more eyes on your website. Ship with confidence.
Donobu simplifies automation through intuitive prompts, getting you started in no time.
The software that empowers network professionals.
Build, Design and Test your network in a risk-free virtual environment and access the largest networking community to help. Whether you are studying for your first networking exam or building out a state-wide telecommunications network, GNS3 offers an easy way to design and build networks of any size without the need for hardware. And the best part is it's free!
SpecBDD Framework for PHP. A php toolset to drive emergent design by specification.
phpspec is a tool which can help you write clean and working PHP code using behaviour driven development or BDD. BDD is a technique derived from test-first development.
Dioptra is a software test platform for assessing the trustworthy characteristics of artificial intelligence (AI). Trustworthy AI is: valid and reliable, safe, secure and resilient, accountable and transparent, explainable and interpretable, privacy-enhanced, and fair - with harmful bias managed1. Dioptra supports the Measure function of the NIST AI Risk Management Framework by providing functionality to assess, analyze, and track identified AI risks.
PurpleLab is an efficient and readily deployable lab solution, providing a swift setup for cybersecurity professionals to test detection rules, simulate logs, and undertake various security tasks, all accessible through a user-friendly web interface.
Test your front-end against a real API.
A hosted REST-API ready to respond to your AJAX requests.
Reqres simulates real application scenarios. If you want to test a user authentication system, Reqres will respond to a successful login/register request with a token for you to identify a sample user, or with a 403 forbidden response to an unsuccessful login/registration attempt.
Removes final and readonly keywords from source code on-the-fly and allows mocking of final methods and classes. It can be used together with any test tool such as PHPUnit or Mockery.
BigTesty: integration testing for BigQuery.
BigTesty is a framework that allows to create Integration Tests with BigQuery on a real and short-lived Infrastructure. Integration and End-to-End tests are a robust way to validate if SQL queries work as expected. There is no an emulator in this case and the queries are executed directly in the BigQuery Engine.
email & SMTP testing tool with API for developers.
Mailpit is a small, fast, low memory, zero-dependency, multi-platform email testing tool & API for developers. It acts as an SMTP server, provides a modern web interface to view & test captured emails, and contains an API for automated integration testing.
Testcontainers is an open source framework for providing throwaway, lightweight instances of databases, message brokers, web browsers, or just about anything that can run in a Docker container.
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