A simulation data generator
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Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
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
Test Automation Made Simple
- test-automation
- assertions
- testing-tools
- mock-server
A mock code autogenerator for Go
Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.
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.
Interface mocking tool for go generate
Generate custom HTTP responses, the simpler way to test your Web Services
- scala
- mocky
- javascript
- mock
Record and replay your HTTP interactions for fast, deterministic and accurate tests
- go
- golang
- testing
A tool for generating self-contained, type-safe test doubles in go
Free, open-source AWS emulator. LocalStack alternative: 107 services, 7,657 operations, true 100% Smithy conformance (258,545/258,545 variants pass). No account, no auth token, no paid tier.
Powerful mock generation tool for Go programming language
Fake server, Consumer Driven Contracts and help with testing performance from one configuration file with zero system dependencies and no coding whatsoever
Generate mocks from ActiveRecord models for unit tests that run fast because they don’t need to load Rails or a database.
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
Go Interface Mocking Tool
HTTP mock for Golang: record and replay HTTP/HTTPS interactions for offline testing
Mock an SSH server and define all commands it supports (Python, Twisted)
Advanced unit test framework for D
A library to declaratively write testable effects
FakeServer integrates with ExUnit to make external APIs testing simpler
- elixir
- test
- fake-server
- exunit
Isolate tests from the real world, inspired by Ruby's VCR.
- elixir
- testing
- integration