Top 23 Go Mock Projects

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1. keploy

   1 142 10,236 9.3 Go

   Unit, API & Integration Testing Agent for Developers. Generate tests, mocks/stubs for your APIs that actually work!

   

   Project mention: Systems Correctness Practices at Amazon Web Services | news.ycombinator.com | 2025-05-30

   Keploy is doing the same thing, in same space - https://github.com/keploy/keploy

2. InfluxDB

   www.influxdata.com featured

   InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

   

3. mockery

   2 20 6,640 9.6 Go

   A mock code autogenerator for Go (by vektra)

   

4. go-sqlmock

   3 20 6,377 4.9 Go

   Sql mock driver for golang to test database interactions

   

   Project mention: Princípios SOLID em GoLang - Dependency Inversion Principle (DIP) | dev.to | 2024-08-03

5. hoverfly

   4 8 2,418 8.8 Go

   Lightweight service virtualization/ API simulation / API mocking tool for developers and testers

   

   Project mention: How to Implement Mock APIs for API Testing | dev.to | 2025-04-07

   Hoverfly: A lightweight service virtualization tool specializing in API simulation and traffic capture for realistic mocks. It's particularly useful for cloud-native applications and supports CI/CD integration.

6. gock

   5 12 2,175 3.5 Go

   HTTP traffic mocking and testing made easy in Go ༼ʘ̚ل͜ʘ̚༽

   

   Project mention: The best way for testing outbound API calls | dev.to | 2025-02-06

   Another great option is gock, a lib that is also inspired by nock, with a simple and easy API. It works by intercepting any HTTP request made by any http.Client and adding it to a list, so it can check if a mock request exists. If not, an error is returned, unless the real networking mode is on. In that case, the request is done normally.

7. httpmock

   6 6 2,031 5.9 Go

   HTTP mocking for Golang

   

   Project mention: Integration Tests in Go with Cucumber, Testcontainers, and HTTPMock | dev.to | 2024-09-11

8. counterfeiter

   7 12 1,051 7.6 Go

   A tool for generating self-contained, type-safe test doubles in go

   

9. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

10. service-pattern-go

    8 1 876 0.0 Go

    Simple clean Go REST API architecture with dependency injection and mocking example, following SOLID principles.

    

11. go-txdb

    9 2 718 5.4 Go

    Immutable transaction isolated sql driver for golang

    

12. gripmock

    10 1 708 7.5 Go

    gRPC Mock Server

    

13. minimock

    11 2 688 7.0 Go

    Powerful mock generation tool for Go programming language

    

14. Mmock

    12 0 684 6.0 Go

    Mmock is an HTTP mocking application for testing and fast prototyping

    

15. killgrave

    13 2 550 4.6 Go

    Simple way to generate mock servers written in Go

    

16. openapi-mock

    14 2 505 0.0 Go

    OpenAPI mock server with random data generation

    

17. xgo

    15 3 405 9.4 Go

    All-in-one go testing library (by xhd2015)

    

18. redismock

    16 1 316 2.9 Go

    Redis client Mock

    

19. charlatan

    17 0 204 1.1 Go

    Go Interface Mocking Tool

    

20. govcr

    18 0 187 5.1 Go

    HTTP mock for Golang: record and replay HTTP/HTTPS interactions for offline testing

    

21. wiretap

    19 2 180 8.0 Go

    The world's coolest API Validation and compliance tool. Validate APIs against OpenAPI specifications and much more (by pb33f)

    

    Project mention: Mastering API Definitions: A Comprehensive Guide | dev.to | 2024-12-19

    During the API development phase, a detailed definition guides developers in implementing endpoints, methods, and data schemas correctly. Various tooling exists to ensure your code conforms to the agreed upon spec - including API frameworks like Huma which allow you to build APIs around a spec, as well as API contract testing tools like Wiretap which look at live traffic to detect violations.

22. go-smtp-mock

    20 0 152 5.0 Go

    SMTP mock server written on Golang. Mimic any 📤 SMTP server behavior for your test environment with fake SMTP server.

    

23. go-github-mock

    21 1 120 5.1 Go

    A library to aid unittesting code that uses Golang's Github SDK

    

24. gomockhandler

    22 2 116 5.0 Go

    Mr. gomockhandler is the clever and more agile manager of golang/mock (uber/mock) 👔

    

25. fauxrpc

    23 0 100 8.8 Go

    Easily start a fake gRPC/gRPC-Web/Connect/REST server from protobufs

    

26. SaaSHub

    www.saashub.com featured

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    

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• The best way for testing outbound API calls

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• Testando chamadas para APIs da melhor forma

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• Stubbing HTTP communication in E2E test with Hoverfly

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• Integration Tests in Go with Cucumber, Testcontainers, and HTTPMock

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• Princípios SOLID em GoLang - Dependency Inversion Principle (DIP)

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• A note from our sponsor - InfluxDB
  www.influxdata.com | 25 Jun 2025

  InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more →

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Sponsored

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