Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
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Record, Replay, and Stub HTTP Interactions.
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.
MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.
- mock-server
- proxy
- java-client
- javascript-client
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.
🔮 Proxies nodejs require in order to allow overriding dependencies during testing.
Record and replay your HTTP interactions for fast, deterministic and accurate tests
- go
- golang
- testing
Replace any .NET method (including static and non-virtual) with a delegate
- testing
- testing-framework
- isolation-framework
- dotnet
A reasonably complete and well-tested golang port of httpbin, with zero dependencies outside the go stdlib.
A mocking library for Erlang
- erlang
- testing
- mocking-library
- meck
:heavy_check_mark: Mock data for your prototypes and demos. Remote deployments to Zeit now.
- atmo
- prototyping
- mock-services
- mock-server
Fake server, Consumer Driven Contracts and help with testing performance from one configuration file with zero system dependencies and no coding whatsoever
DeepfakeHTTP is a web server that uses HTTP dumps as a source for responses.
- http-server
- dump
- dummy
- testing
In-page HTTP controller for frontend development. Intercept, modify, and simulate API responses directly in the browser.
All-in-one go testing library
- go
- golang
- instrumentation
- mock
A .NET library for intercepting server-side HTTP requests
- httpclient
- netstandard
- dotnet
- dotnet-core
HTTP mock for Golang: record and replay HTTP/HTTPS interactions for offline testing
Simplify software testing, by easily mocking any system using HTTP/HTTPS, allowing a team to test and develop against a service that is not complete or is unstable or just to reproduce planned/edge cases.
The RSpec monorepo
A test-friendly replacement for golang's time package [managed by soy-programador]
Mock window global in tests with test-friendly replacements for location, alert/confirm/prompt/ and more.
Unobtrusive Dependency Injector for Elixir
- elixir
- di
- dependency-injection
- unobtrusive
Simple injectable test dependencies for Elixir