Testing Gems

#Total RankDaily RankNameSummary
11413minitestminitest provides a complete suite of testing facilities supporting TDD, BDD, and bench...
229100rspecBDD for Ruby
3115159webmockWebMock allows stubbing HTTP requests and setting expectations on HTTP requests.
4132136knapsackParallel tests across CI server nodes based on each test file's time execution. It gene...
5139214capybaraCapybara is an integration testing tool for rack based web applications. It simulates h...
6140208selenium-webdriverSelenium implements the W3C WebDriver protocol to automate popular browsers. It aim...
7147180factory_botfactory_bot provides a framework and DSL for defining and using factories - less error-...
8153195fakerFaker, a port of Data::Faker from Perl, is used to easily generate fake data: names, ad...
9194271timecopA gem providing "time travel" and "time freezing" capabilities, making it dead simple t...
10200230shoulda-matchersShoulda Matchers provides RSpec- and Minitest-compatible one-liners to test common Rail...
11203321springPreloads your application so things like console, rake and tests run faster
12319365parallel_testsRun Test::Unit / RSpec / Cucumber / Spinach in parallel
13322330vcrRecord your test suite's HTTP interactions and replay them during future test runs for ...
14498574cucumberBehaviour Driven Development with elegance and joy
15613466mochaA library for mocking and stubbing with a unified, simple and readable syntax for both ...
16624547test-unittest-unit (Test::Unit) is unit testing framework for Ruby, based on xUnit principles. T...
17724582power_assertPower Assert shows each value of variables and method calls in the expression. It is us...
18736658rspec-parameterizedRSpec::Parameterized supports simple parameterized test syntax in rspec.
197611,192ffakerFfaker generates dummy data.
207691,290fuubarthe instafailing RSpec progress bar formatter
211,1181,477watirWatir stands for Web Application Testing In Ruby It facilitates the writing of automate...
221,1712,125poltergeistPoltergeist is a driver for Capybara that allows you to run your tests on a headless We...
231,3431,826undercoverActionable code coverage - detects untested code blocks in recent changes
242,0241,654appraisalAppraisal integrates with bundler and rake to test your library against different versi...
252,0262,758rrRR is a test double framework that features a rich selection of double techniques and a...
262,0381,608minitest-hooksminitest-hooks adds around and before_all/after_all/around_all hooks for Minitest. This...
272,0531,848fabricationFabrication is an object generation framework for ActiveRecord, Mongoid, Sequel, or any...
282,2193,077sporkA forking Drb spec server
292,2912,524cuke_modelerThis gem facilitates modeling a test suite that is written in Gherkin (e.g. Cucumber, S...
302,7053,107forgeryEasy and customizable generation of forged data. Can be used as a gem or a rails plugin...
312,9663,857arubaExtension for popular TDD and BDD frameworks like "Cucumber", "RSpec" and "Minitest", t...
323,4873,574rspec-watcherAutomatically runs specs in reaction to changes in files. Loads the project once and us...
333,6244,100test_xmlTest your XML with Test::Unit, MiniTest, RSpec, or Cucumber using handy assertions like...
343,8763,233puppet_litmusProviding a simple command line tool for puppet content creators, to enable simple and ...
353,9832,382ruby-jmeterRuby based DSL for writing JMeter test plans
364,0516,187spinachSpinach is a BDD framework on top of gherkin
374,2926,651machinistFixtures aren't fun. Machinist is.
384,9446,579nyan-cat-formatterNyan Cat inspired RSpec formatter!
395,1006,373onceoverAutomatically generates tests for your Puppet code
405,45017,068konachaKonacha is a Rails engine that allows you to test your JavaScript with the mocha test f...
416,9845,203chutneyA linter for your Cucumber features. Making sure you have nice, expressible Gherkin is ...
427,2336,211cuke_linterThis gem provides linters for detecting common 'smells' in `.feature` files. In additio...
437,3336,448cuke_slicerSlices a Cucumber test suite into the smallest possible executable pieces (i.e. scenari...
447,7415,430workato-connector-sdkReproduce key concepts of Workato SDK, DSL, behavior and constraints.
458,25012,852baconBacon is a small RSpec clone weighing less than 350 LoC but nevertheless providing all ...
469,47525,761active_mockerCreates stub classes from any ActiveRecord model. By using stubs in your tests you don'...
479,6955,050rspec-dry-structRSpec `have_attribute` matcher for dry-struct gem
489,8878,122faker_makerFakerMaker is a simple factory builder so you can throw away your fixtures and generate...
4911,1158,035matchiMatchi is a framework-agnostic Ruby library that provides a comprehensive set of expect...
5011,6219,827cqlCQL is a domain specific language used for querying a Cucumber (or other Gherkin based)...
5112,60813,575mutant-minitestMinitest integration for mutant
5213,30912,762cutestRun tests in separate processes to avoid shared state.
5315,54032,664cucumber_analyticsStatic analysis of Cucumber tests made easy.
5415,56581,713api_tasterA quick and easy way to visually test out your application's API.
5515,87828,607spectusExpectation library with RFC 2119's requirement levels 🚥
5616,27713,340howitzerHowitzer uses the best practices and design patterns allowing to generate a test projec...
5717,31528,607fixFix is a modern Ruby testing framework built around a key architectural principle: the ...
5821,94610,053cuke_catalogerScans existing Cucumber tests and updates them to include an id tag that is unique for ...
5924,76422,562ruby_raiderThis gem has everything you need to start working with test automation
6025,73725,761gitarrogitarro run tests on GitHub PRs using almost any script,language or binary, it integrat...
6129,79123,902r_specA minimalist RSpec clone with all the essentials.
6230,15050,280cuketaggerbatch tagging of cucumber features and scenarios
6334,18950,280zapataWho has time to write tests? This is a revolutional tool to make them write themselves.
6441,01728,607brutalA code-first approach to automate the writing of unit tests.
6544,25815,138mature_factoryconfigurable modules provide a tiny DSL for managing factory
6657,98050,280emoji-rspecCustom formatters for RSpec tests.
6769,87481,713fake_personA Ruby library for creating fake personalities
6875,36181,713capybara-wslAllows Capybara to open pages/screenshots in Windows browsers via Launchy.
6992,17481,713like_im_fiveLike Im Five generate a file with factories you need to test a specific object. It use ...
70112,27781,713cuke_commanderProvides an easy way to build a cucumber commandline.
71141,58232,664cucoA simple and flexible file watcher
72146,44281,713importmap_mocha-railsAdd JavaScript testing tools in importmap-rails environment.
73146,58650,280capybara-react-datetimeHelper for changing date input of react-datetime library
74151,97150,280rspec-log_matcherWriting logs is an easy way to store any kind of information for further analysis later...
75175,81550,280haml-lint-bootstrapA simple HAML-Lint plugin used for linting HAML files utilizing Bootstrap. Supported Bo...
76183,50750,280faker-gpkFaker extension for Garbage Pail Kids