govcr
A Go library for recording and replaying HTTP/HTTPS interactions as mock cassettes for offline testing.
What is govcr?
govcr is an HTTP mock library for Go that records live HTTP traffic to cassette files and replays those interactions during subsequent test runs. It enables reliable offline testing by eliminating flaky network dependencies and ensuring deterministic test behavior.
Go developers writing unit, behavioral, or integration tests that involve HTTP or HTTPS calls and need to mock external API dependencies.
Developers choose govcr for its flexible, non-intrusive approach to mocking HTTP interactions without modifying application logic, and for features like configurable request matching, track mutators, cassette encryption, and support for multiple storage backends including AWS S3.
Overview
HTTP mock for Golang: record and replay HTTP/HTTPS interactions for offline testing
Use Cases
Best For
- Writing deterministic Go tests that rely on external HTTP APIs and need to run offline or without network connectivity.
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