1.mbj / mutant
Mutation testing for Ruby. AI writes your code. AI writes your tests. But who tests the tests?
- mutation-testing
- ruby
- coverage
- rspec
- minitest
- code-review
- +4 more
+41 stars
from 2,172 · score 3.74
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
29 repositories by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
+24 stars
from 10,150 · score 3.22
3.simplecov-ruby / simplecov
Code coverage for Ruby with a powerful configuration library and automatic merging of coverage across test suites
- ruby
- test-coverage
- code-quality
- rails
- coverage
- coverage-report
- +1 more
+22 stars
from 4,905 · score 3.14
4.grosser / parallel_tests
Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber
+13 stars
from 3,514 · score 2.64
+13 stars
from 500 · score 2.64
6.test-prof / test-prof
Ruby Tests Profiling Toolbox
+10 stars
from 2,042 · score 2.40
7.minitest / minitest
minitest provides a complete suite of testing facilities supporting TDD, BDD, and benchmarking.
+9 stars
from 3,407 · score 2.30
8.thoughtbot / factory_bot
A library for setting up Ruby objects as test data.
- factory-girl
- ruby
- thoughtbot
- rubygems
- testing
- fixtures
- +3 more
+8 stars
from 8,159 · score 2.20
9.ruby / typeprof
An experimental type-level Ruby interpreter for testing and understanding Ruby code
+7 stars
from 827 · score 2.08
10.DatabaseCleaner / database_cleaner
Strategies for cleaning databases in Ruby. Can be used to ensure a clean state for testing.
- testing
- ruby
- database-cleaner
- testing-tools
+6 stars
from 2,960 · score 1.95
11.rubycdp / cuprite
Headless Chrome/Chromium driver for Capybara
+6 stars
from 1,392 · score 1.95
12.stelligent / cfn_nag
Linting tool for CloudFormation templates
- continuous-testing
- unit-testing
- cloudformation
- aws
- devops
- iam-rules
- +14 more
+6 stars
from 1,306 · score 1.95
13.Shopify / spoom
Useful tools for Sorbet enthusiasts
+6 stars
from 267 · score 1.95
14.travisjeffery / timecop
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.
+5 stars
from 3,420 · score 1.79
15.thoughtbot / shoulda-matchers
Simple one-liner tests for common Rails functionality
+4 stars
from 3,576 · score 1.61
16.tilo / smarter_csv
Fastest end-to-end CSV ingestion for Ruby (with C acceleration). SmarterCSV auto-detects formats, applies smart defaults, and returns Rails-ready hashes for seamless use with ActiveRecord, Sidekiq, parallel jobs, and S3 pipelines — even for messy user-uploaded real-world data.
- csv
- csv-converter
- csv-export
- csv-file
- csv-files
- csv-format
- +11 more
+4 stars
from 1,548 · score 1.61
17.rubocop / rubocop-rspec
Code style checking for RSpec files.
- ruby
- rubocop
- lint
- testing
- static-analysis
- rspec
+3 stars
from 857 · score 1.39
18.serpapi / turbo_tests
Run RSpec tests on multiple cores. Like parallel_tests but with incremental summarized output. Originally extracted from the Discourse and Rubygems source code.
- rspec
- parallel-tests
- ruby
+3 stars
from 215 · score 1.39
19.avmnu-sng / rspec-tracer
RSpec Tracer is a specs dependency analyzer, flaky tests detector, tests accelerator, and coverage reporter tool.
+3 stars
from 174 · score 1.39
+2 stars
from 1,543 · score 1.10
21.thoughtbot / appraisal
A Ruby library for testing your library against different versions of dependencies.
- ruby
- thoughtbot
- appraisal
- rubygems
- testing
- gemfile
+2 stars
from 1,322 · score 1.10
22.cucumber / aruba
Test command-line applications with Cucumber-Ruby, RSpec or Minitest.
+2 stars
from 964 · score 1.10
23.KnapsackPro / knapsack
Knapsack splits tests evenly across parallel CI nodes to run fast CI build and save you time.
- ruby
- rspec
- cucumber
- minitest
- spinach
- turnip
- +9 more
+2 stars
from 548 · score 1.10
+2 stars
from 220 · score 1.10
25.TheAcmada / gwirian
A modern test scenario management platform for QA engineers and managers. Create, organize, and track test scenarios with a modern BDD approach.
- quality-assurance
- testing
+2 stars
from 2 · score 1.10
26.splitrb / split
:chart_with_upwards_trend: The Rack Based A/B testing framework
+1 stars
from 2,707 · score 0.69
27.freerange / mocha
A mocking and stubbing library for Ruby
+1 stars
from 1,282 · score 0.69
28.mocktools / ruby-dns-mock
DNS mock server written on 💎 Ruby. Mimic any DNS records for your test environment with fake DNS server.
+1 stars
from 65 · score 0.69
+1 stars
from 58 · score 0.69