Repository Index

All-in-one go testing library

• go
• golang
• instrumentation
• mock

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.

• contract-testing
• microservices
• contract-driven-development
• cdd

A .NET library for intercepting server-side HTTP requests

• httpclient
• netstandard
• dotnet
• dotnet-core

SMTP mock server written on Golang. Mimic any 📤 SMTP server behavior for your test environment with fake SMTP server.

• smtp
• smtp-mock
• smtp-server
• smtp-mail

netDumbster is a .Net Fake SMTP Server clone of the popular Dumbster

• c-sharp
• unit-testing
• smtp
• smtp-server

Asyncio http mocking. Similar to the responses library used for 'requests'

A library to declaratively write testable effects

Simple mocking library for asynchronous testing in Elixir.

• elixir-lang
• elixir
• exunit
• asynchronous-tests

General purpose mocking library for Crystal.

• crystal
• mock

A simple Elixir package to elegantly mock module functions within (asynchronous) ExUnit tests using Erlang's :meck library

• elixir
• mocking
• exunit
• meck

A small spying and stubbing library for Clojure and ClojureScript

HTTP request stubbing and expectation Elixir library

Golang HTTP client testing framework

• oss
• golang
• library
• testing

A testing library that allows "time travel," "freezing time," and "time acceleration". Inspired by the ruby-timecop library.

• testing
• timecop
• crystal

localaik is a local compatibility server for a subset of the Gemini and OpenAI APIs. Run one container locally, point your SDK to it, and the proxy serves both protocol shapes on the same port for tests and development.

• docker
• gemini
• golang
• llama-cpp

Unit test your 🐍 smart contracts

• algokit
• algorand
• puya
• pytest

Feature-rich filesystem mocking for Go tests: comprehensive error injection, latency simulation, write operations, operation statistics, and standalone file handles. Built on testing/fstest.MapFS with comprehensive fs.FS interface support.

• filesystem
• go
• golang
• mock

Automatically generate Go code for mocking interfaces in unit tests