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A toolkit with common assertions and mocks that plays nicely with the standard library
- testify
- go
- assertions
- mocking
Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
A simulation data generator
Most popular Mocking framework for unit tests written in Java
- mockito
- java
- mocking-framework
- testing-tools
HTTP server mocking and expectations library for Node.js
Mockery is a simple yet flexible PHP mock object framework for use in unit testing with PHPUnit, PHPSpec or any other testing framework. Its core goal is to offer a test double framework with a succinct API capable of clearly defining all possible object operations and interactions using a human readable Domain Specific Language (DSL).
- mockery
- phpunit
- php
- stub
Record, Replay, and Stub HTTP Interactions.
Test Automation Made Simple
- test-automation
- assertions
- testing-tools
- mock-server
A persistent service that generates mock data quickly and provids visualization view.
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
A mock code autogenerator for Go
Sql mock driver for golang to test database interactions
Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.
mocking library for Kotlin
- verification
- chain-calls
- matcher
- argument-matchers
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
A utility for mocking out the Python Requests library.
- tag-production
Library for stubbing and setting expectations on HTTP requests in Ruby.
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
libfaketime modifies the system time for a single application
- ld-preload
- datetime
- wrapper
- intercept-calls
Automatically mock your HTTP interactions to simplify and speed up testing
Manage & spin up mongodb server binaries with zero(or slight) configuration for tests.