Stub your network requests easily! Test your apps with fake network data and custom response time, response code and headers!
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Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
- oas
- prism
- mocking
- api-testing
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
Code coverage for Ruby with a powerful configuration library and automatic merging of coverage across test suites
- ruby
- test-coverage
- code-quality
- rails
Brings the popular ruby faker gem to Java
- java
- faker-gem
- java-faker
Mimesis is a Python library for generating fake but realistic data in multiple languages and locales.
- mimesis
- fake
- data
- generator
📸 Delightful Swift snapshot testing.
- swift
- testing
- snapshot-testing
- screenshot-testing
A library to support tests with throwaway instances of Docker containers for all compatible .NET Standard versions.
- automation
- dotnet
- docker
- testcontainers
A utility for mocking out the Python Requests library.
- tag-production
PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, as well as .NET Core 2.1, .NET Core 3.0, .NET 6, .NET Standard 2.0 and 2.1. Supports the unit test frameworks MSTest2, NUnit3, XUnit2, MSpec, and NSpec3.
- fluent-assertions
- c-sharp
- assertions
- tdd
Catch API bugs before your users do
JSLint, The JavaScript Code Quality and Coverage Tool
- jslint
- javascript
- coverage-report
- zero-dependency
The Enterprise-ready testing and specification framework.
- java
- groovy
- testing
- bdd-style-testing-framework
Synthetic Patient Population Simulator
- synthea
- synthetic-data
- synthetic-population
- fhir
minitest provides a complete suite of testing facilities supporting TDD, BDD, and benchmarking.
Security oriented software fuzzer. Supports evolutionary, feedback-driven fuzzing based on code coverage (SW and HW based)
Pester is the ubiquitous test and mock framework for PowerShell.
- powershell
- pester-tests
- powershell-tests
- assertions
Official repository for WebPageTest
Chaos testing, network emulation, and stress testing tool for containers
- docker
- chaos
- network-emulator
- testing-tools
A Grunt workflow for designing and testing responsive HTML email templates with SCSS.
- litmus
- grunt
- css
- transactional-emails
A well-structured production-ready frontend boilerplate with Typescript, React Testing Library, styled-component, React Query, .env, Axios, Bundle Analyzer, Prettier and 30+ plugins. superplate creates projects for React.js, Next.js, and refine. https://pankod.github.io/superplate/
Cucumber for the JVM
- cucumber-jvm
- java
- polyglot-release
- tidelift
Power Assert in JavaScript. Provides descriptive assertion messages through standard assert interface. No API is the best API.
- power-assert
- assert