Repository Index

The industry standard for API mocking in JavaScript.

• msw
• mock
• mocking-framework
• service-worker

HTTP Request & Response Service, written in Python + Flask.

• http
• http-server
• testing
• service

Test Automation Made Simple

• test-automation
• assertions
• testing-tools
• mock-server

A persistent service that generates mock data quickly and provids visualization view.

• mock
• easy-mock
• data-generator
• swagger

A tool for mocking HTTP services

• wiremock
• json
• mocking
• stubbing

Ministack: Free, open-source local AWS emulator - 60+ services, Terraform compatible, real databases. Free forever. MIT licensed.

• aws
• docker
• emulator
• localstack

A gem providing "time travel", "time freezing", and "time acceleration" capabilities, making it simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and DateTime.now in a single call.

• rails
• ruby
• time
• test

Automatically mock your HTTP interactions to simplify and speed up testing

• testing
• python
• http
• mocking

Lightweight service virtualization/ API simulation / API mocking tool for developers and testers

• api-simulation
• golang
• proxy
• mitm

The jQuery Mockjax Plugin provides a simple and extremely flexible interface for mocking or simulating ajax requests and responses

Generate custom HTTP responses, the simpler way to test your Web Services

• scala
• mocky
• javascript
• mock

vfsStream is a stream wrapper for a virtual file system that may be helpful in unit tests to mock the real file system. It can be used with any unit test framework, like PHPUnit or SimpleTest.

• vfsstream
• php
• testing
• filesystem

A collection of utilities for creating/testing/experimenting with service workers.

• service-worker

JVM version of Pact. Enables consumer driven contract testing, providing a mock service and DSL for the consumer project, and interaction playback and verification for the service provider project.

• pact
• consumer-driven-contracts
• contract-testing
• hacktoberfest

Replace any .NET method (including static and non-virtual) with a delegate

• testing
• testing-framework
• isolation-framework
• dotnet

Bypass provides a quick way to create a custom plug that can be put in place instead of an actual HTTP server to return prebaked responses to client requests.

• testing
• http
• https
• mock

:heavy_check_mark: Mock data for your prototypes and demos. Remote deployments to Zeit now.

• atmo
• prototyping
• mock-services
• mock-server

Free, open-source AWS emulator. LocalStack alternative: 107 services, 7,657 operations, true 100% Smithy conformance (257,522/257,522 variants pass). No account, no auth token, no paid tier.

• aws
• aws-emulator
• aws-testing
• dynamodb

🐤Dynamically Mock server behaviors and responses in Swift

• func
• kakapo
• json-api
• opinionated

A MySQL engine written in pure PHP

Betamax is a tool for mocking external HTTP resources such as web services and REST APIs in your tests. The project was inspired by the VCR library for Ruby.

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

🐵 HTTP mock server, useful to stub services and simulate dynamic API responses, leveraging ASP.NET Core features, built-in fake data generation and pure C# scripting

• csharp
• mock-server
• roslyn
• faker

Network testing à la VCR in Swift

• swift
• network-test