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Mockery is a simple yet flexible PHP mock object framework for use in unit testing with PHPUnit, PHPSpec or any other testing framework. Its core goal is to offer a test double framework with a succinct API capable of clearly defining all possible object operations and interactions using a human readable Domain Specific Language (DSL).
:wrench: Utility library for GraphQL to build, stitch and mock GraphQL schemas in the SDL-first approach
🔮 Proxies nodejs require in order to allow overriding dependencies during testing.
An in memory postgres DB instance for your unit tests
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
Mock Alamofire and URLSession requests without touching your code implementation
Replace any .NET method (including static and non-virtual) with a delegate
A testing micro framework for creating function test doubles
A reasonably complete and well-tested golang port of httpbin, with zero dependencies outside the go stdlib.
EasyMock, makes mocking easier since 2001
Free, open-source AWS emulator. LocalStack alternative: 107 services, 7,657 operations, true 100% Smithy conformance (258,545/258,545 variants pass). No account, no auth token, no paid tier.
🐤Dynamically Mock server behaviors and responses in Swift
Some helper classes for writing functional tests in Symfony
Fake server, Consumer Driven Contracts and help with testing performance from one configuration file with zero system dependencies and no coding whatsoever
Aioresponses is a helper for mock/fake web requests in python aiohttp package.
In-page HTTP controller for frontend development. Intercept, modify, and simulate API responses directly in the browser.
All-in-one go testing library
Shift-left API Integration | Auto-fix integration drift before integration. Specmatic turns API specifications into executable contracts, continuously verifying that every change made by AI coding agents and engineers stays true to the desired behaviour. Ship AI-ready APIs 10x faster, from intent to implementation, with Spec-Driven API Development.
Mock built-in PHP functions (e.g. time(), exec() or rand())
a socket mock framework - for all kinds of socket animals, web-clients included
Bouncy Hsm is a software simulator of HSM and smartcard simulator with HTML UI, REST API and PKCS#11 interface.
Super lightweight web framework in Swift based on SWSGI
High-performance, multi-protocol mock server. HTTP, WebSocket, gRPC, MQTT, SSE, GraphQL, SOAP in one binary.
Mock an SSH server and define all commands it supports (Python, Twisted)