通过表达性 API、自定义行为、灵活组织、可扩展执行和跨平台支持增强 Swift 代码测试。与 XCTest 兼容，便于迁移。

SnapshotTesting is a delightful Swift snapshot testing library. It allows you to easily compare snapshots of views, view controllers, URL requests, and encodable values. It supports a wide range of snapshot strategies and is highly configurable.

A collection of tools for debugging, diffing, and testing data structures in Swift. Includes customDump for refined output, diff for textual diffs, and XCTAssertNoDifference for test assertions.

Quick 是一个用于 Swift 和 Objective-C 的行为驱动开发框架。它受到 RSpec、Specta 和 Ginkgo 的启发。它附带 Nimble，一个用于测试的匹配器框架。

OCMockito 是 Mockito 的 Objective-C 实现，允许你创建、验证和存根模拟对象。它与其他模拟框架有一些关键区别，使测试不那么脆弱，更易于阅读。

OCHamcrest 是一个 Objective-C 模块，提供用于创建灵活测试断言和用户输入验证的匹配器库。