#assertions

A toolkit with common assertions and mocks that plays nicely with the standard library

WireMock.Net is a flexible product for stubbing and mocking web HTTP responses using advanced request matching and response templating. Based on WireMock Java, but extended and different functionality. Full documentation can be found at https://wiremock.org/dotnet/.

Pester is the ubiquitous test and mock framework for PowerShell.

A light-weight, flexible, and expressive statistical data testing library

Uncommonly extensible assertions for the beautiful people

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

Fluent, fully-typed assertion library for Python: your type checker sees only the assertions that fit the value, and every failure carries a structured diff. Soft assertions, polling, inline snapshots, OpenAPI contracts.

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.

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