Top 23 Ruby Testing Projects

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1. faker

   1 45 11,367 8.3 Ruby

   A library for generating fake data such as names, addresses, and phone numbers. (by faker-ruby)

   

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. Capybara

   2 22 10,094 0.0 Ruby

   Acceptance test framework for web applications

   

   Project mention: Catch JS Errors with Playwright | dev.to | 2025-03-26

   Selenium has issues. I'm using it with Capybara and the latest encounter was a Net::ReadTimeout. I switched to Playwright following Justin Searls guide.

4. factory_bot

   3 32 8,042 6.9 Ruby

   A library for setting up Ruby objects as test data.

   

   Project mention: A library for setting up Ruby objects as test data | news.ycombinator.com | 2025-05-03

5. vcr

   4 25 5,933 6.0 Ruby

   Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.

   

   Project mention: Build a Currency Exchange Service in Ruby on Rails | dev.to | 2024-12-18

   RSpec.describe CurrencyExchange do describe '.list' do it 'returns structured currency data' do VCR.use_cassette('currency_layer_list') do # https://github.com/vcr/vcr currencies = described_class.list expect(currencies).to all(be_a(described_class::GlobalCurrency)) end end it 'handles API failures gracefully' do allow(described_class).to receive(:get).and_return( double(success?: false) ) expect(described_class.list).to eq([]) end end end

6. WebMock

   5 9 4,022 7.2 Ruby

   Library for stubbing and setting expectations on HTTP requests in Ruby.

   

7. shoulda-matchers

   6 5 3,552 6.1 Ruby

   Simple one-liner tests for common Rails functionality

   

8. Parallel Tests

   7 6 3,435 7.9 Ruby

   Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber

   

9. SaaSHub

   www.saashub.com featured

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

   

10. timecop

    8 4 3,400 5.6 Ruby

    A gem providing "time travel", "time freezing", and "time acceleration" capabilities, making it simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and DateTime.now in a single call.

    

11. minitest

    9 13 3,332 7.4 Ruby

    minitest provides a complete suite of testing facilities supporting TDD, BDD, mocking, and benchmarking.

    

    Project mention: 30,656 Pages of Books About the .NET Ecosystem: C#, Blazor, ASP.NET, & T-SQL | dev.to | 2025-03-16

    I am very comfortable with Minitest in Ruby. When I started to learn Rails, though, I was surprised by how different RSpec was. In case .NET testing is equally unlike the xUnit style, I should learn the idioms.

12. Database Cleaner

    10 3 2,950 4.2 Ruby

    Strategies for cleaning databases in Ruby. Can be used to ensure a clean state for testing.

    

13. inspec

    11 13 2,924 9.0 Ruby

    InSpec: Auditing and Testing Framework

    

14. Spring

    12 8 2,814 4.2 Ruby

    Rails application preloader (by rails)

    

15. mutant

    13 5 1,976 5.7 Ruby

    Automated code reviews via mutation testing - semantic code coverage.

    

16. Ruby Tests Profiling Toolbox

    14 9 1,932 7.8 Ruby

    Ruby Tests Profiling Toolbox

    

17. test-kitchen

    15 1 1,880 6.3 Ruby

    Test Kitchen is an integration tool for developing and testing infrastructure code and software on isolated target platforms

    

18. DuckRails

    16 0 1,720 0.0 Ruby

    Development tool to mock API endpoints quickly and easily (docker image available)

    

19. ffaker

    17 0 1,563 7.1 Ruby

    Faker refactored.

    

20. Watir

    18 0 1,541 5.3 Ruby

    Watir Powered By Selenium

    

21. Spork

    19 0 1,393 0.0 Ruby

    A DRb server for testing frameworks (RSpec / Cucumber currently) that forks before each run to ensure a clean testing state.

    

22. cuprite

    20 5 1,305 6.6 Ruby

    Headless Chrome/Chromium driver for Capybara

    

23. Appraisal

    21 3 1,297 7.5 Ruby

    A Ruby library for testing your library against different versions of dependencies.

    

24. mocha

    22 1 1,253 9.3 Ruby

    A mocking and stubbing library for Ruby (by freerange)

    

25. Machinist

    23 0 1,116 0.0 Ruby

    Fixtures aren't fun. Machinist is.

    

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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• A note from our sponsor - InfluxDB
  www.influxdata.com | 18 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

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.

www.influxdata.com

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