Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.
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the Istanbul command line interface
- code-coverage
- javascript
- istanbul
idb is a flexible command line interface for automating iOS simulators and devices
🚀 Kick-start your C++! A template for modern C++ projects using CMake, CI, code coverage, clang-format, reproducible dependency management and much more.
- cpp
- cmake
- template
- dependency-manager
Stub your network requests easily! Test your apps with fake network data and custom response time, response code and headers!
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
- oas
- prism
- mocking
- api-testing
Testcontainers for Go is a Go package that makes it simple to create and clean up container-based dependencies for automated integration/smoke tests. The clean, easy-to-use API enables developers to programmatically define containers that should be run as part of a test and clean up those resources when the test is done.
- testing
- docker
- automation
- golang
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
cglib - Byte Code Generation Library is high level API to generate and transform Java byte code. It is used by AOP, testing, data access frameworks to generate dynamic proxy objects and intercept field access.
Mimesis is a Python library for generating fake but realistic data in multiple languages and locales.
- mimesis
- fake
- data
- generator
xUnit.net is a free, open source, community-focused unit testing tool for .NET.
- unit-testing
- xunit
- c-sharp
- dotnet
PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
Awaitility is a small Java DSL for synchronizing asynchronous operations
- awaitility
- asynchronous
- java
- testing
Faker is a PHP library that generates fake data for you
✨ Jest matcher for image comparisons. Most commonly used for visual regression testing.
Catch API bugs before your users do
Fortio load testing library, command line tool, advanced echo server and web UI in go (golang). Allows to specify a set query-per-second load and record latency histograms and other useful stats.
- golang
- golang-library
- golang-application
- performance
The Enterprise-ready testing and specification framework.
- java
- groovy
- testing
- bdd-style-testing-framework
AutoFixture is an open source library for .NET designed to minimize the 'Arrange' phase of your unit tests in order to maximize maintainability. Its primary goal is to allow developers to focus on what is being tested rather than how to setup the test scenario, by making it easier to create object graphs containing test data.
- assertion-library
- assertions
- auto-mocking
- autofixture
Verify is a snapshot testing tool that simplifies the assertion of complex data models and documents.
- snapshot-testing
- testing
- assertion-library
- snapshot
GoMock is a mocking framework for the Go programming language.
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.
Pester is the ubiquitous test and mock framework for PowerShell.
- powershell
- pester-tests
- powershell-tests
- assertions
Bluepill is a reliable iOS testing tool that runs UI tests using multiple simulators on a single machine
- bluepill
- multiple-simulators
- xcode
- parallel