#assertions

Tester: enjoyable unit testing in PHP with code coverage reporter. 🍏🍏🍎🍏

A lightweight .NET library for expressive Guard Clauses.

🕷 Super-agent driven library for testing node.js HTTP servers using a fluent API. Maintained for @forwardemail, @ladjs, @spamscanner, @breejs, @cabinjs, and @lassjs.

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.

Adds DOM assertions to laravels test responses

Approximate floating point equality comparisons and assertions

Type check values

X-ray vision and hands for AI agents inside Tauri apps — DOM, IPC, Rust backend, and database through one embedded MCP server. 35 tools. Zero production cost.

Go test suite framework powered by code generation — BDD vocabulary, lifecycle hooks, fixtures, snapshots. Zero reflection, zero runtime deps.

Fluent, fully-typed assertion library for Python: type-narrowing assertions, contract testing, composable matchers, and structural matching.

Go testing toolkit with structured document comparison (JSON, YAML, HTML) and expressive assertions

Make AI agents follow instructions reliably and prove what they did. State machine engine with evidence chains, multi-agent delegation, human gates, and auditable execution — via MCP or CLI.

Micro toolkit for Clojure/Script errors

A require-ensure-library for contract-programming with pre- and postconditions in golang

A modern generic testing assertions library for Go

Verification runtime and execution observability for AI-generated web apps.