Mock

• counterfeiter - Tool for generating self-contained mock objects.
• genmock - Go mocking system with code generator for building calls of the interface methods.
• go-localstack - Tool for using localstack in AWS testing.
• go-sqlmock - Mock SQL driver for testing database interactions.
• go-txdb - Single transaction based database driver mainly for testing purposes.
• gomock - Mocking framework for the Go programming language.
• gomock - CLI tool to generate typed and framework-agnostic interface mocks, with support for generics.
• govcr - HTTP mock for Golang: record and replay HTTP interactions for offline testing.
• hoverfly - HTTP(S) proxy for recording and simulating REST/SOAP APIs with extensible middleware and easy-to-use CLI.
• httpmock - Easy mocking of HTTP responses from external resources.
• minimock - Mock generator for Go interfaces.
• mockery - Tool to generate Go interfaces.
• mockfs - Mock filesystem for Go testing with error injection and latency simulation, built on testing/fstest.MapFS.
• mockhttp - Mock object for Go http.ResponseWriter.
• mooncake - A simple way to generate mocks for multiple purposes.
• moq - Utility that generates a struct from any interface. The struct can be used in test code as a mock of the interface.
• moxie - Generate mock methods on embedded structs.
• pgxmock - A mock library implementing pgx - PostgreSQL Driver and Toolkit.
• timex - A test-friendly replacement for the native time package.
• xgo - A general pureposed function mocking library.
• go-fuzz - Randomized testing system.
• Tavor - Generic fuzzing and delta-debugging framework.
• bonk - Fast, stealth-first browser automation library using Chrome DevTools Protocol over WebSocket with no external dependencies.
• cdp - Type-safe bindings for the Chrome Debugging Protocol that can be used with browsers or other debug targets that implement it.
• chromedp - a way to drive/test Chrome, Safari, Edge, Android Webviews, and other browsers supporting the Chrome Debugging Protocol.
• playwright-go - browser automation library to control Chromium, Firefox and WebKit with a single API.
• rod - A Devtools driver to make web automation and scraping easy.
• selenosis - Stateless Kubernetes-native hub that routes Selenium, Playwright, and MCP sessions to on-demand browser pods via custom resources.
• failpoint - An implementation of failpoints for Golang.

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