Testing Gems

#Total RankDaily RankNameSummary
11914minitestminitest provides a complete suite of testing facilities supporting TDD, BDD, mocking, ...
22479rspecBDD for Ruby
312195webmockWebMock allows stubbing HTTP requests and setting expectations on HTTP requests.
4138186capybaraCapybara is an integration testing tool for rack based web applications. It simulates h...
5141175selenium-webdriverSelenium implements the W3C WebDriver protocol to automate popular browsers. It aim...
6150111fakerFaker, a port of Data::Faker from Perl, is used to easily generate fake data: names, ad...
7152164factory_botfactory_bot provides a framework and DSL for defining and using factories - less error-...
8159100knapsackParallel tests across CI server nodes based on each test file's time execution. It gene...
9171182timecopA gem providing "time travel" and "time freezing" capabilities, making it dead simple t...
10179235springPreloads your application so things like console, rake and tests run faster
11191216shoulda-matchersShoulda Matchers provides RSpec- and Minitest-compatible one-liners to test common Rail...
12304385vcrRecord your test suite's HTTP interactions and replay them during future test runs for ...
13320306parallel_testsRun Test::Unit / RSpec / Cucumber / Spinach in parallel
14442857cucumberBehaviour Driven Development with elegance and joy
15616301mochaMocking and stubbing library with JMock/SchMock syntax, which allows mocking and stubbi...
16641587test-unittest-unit (Test::Unit) is unit testing framework for Ruby, based on xUnit principles. T...
17717570fuubarthe instafailing RSpec progress bar formatter
18735780power_assertPower Assert shows each value of variables and method calls in the expression. It is us...
19766531ffakerFfaker generates dummy data.
20799483rspec-parameterizedRSpec::Parameterized supports simple parameterized test syntax in rspec.
219791,866poltergeistPoltergeist is a driver for Capybara that allows you to run your tests on a headless We...
221,0631,249watirWatir stands for Web Application Testing In Ruby It facilitates the writing of automate...
231,549752undercoverActionable code coverage - detects untested code blocks in recent changes
241,7892,128rrRR is a test double framework that features a rich selection of double techniques and a...
251,9022,260minitest-hooksminitest-hooks adds around and before_all/after_all/around_all hooks for Minitest. This...
261,9294,155sporkA forking Drb spec server
271,9401,940fabricationFabrication is an object generation framework for ActiveRecord, Mongoid, DataMapper, Se...
282,0781,896appraisalAppraisal integrates with bundler and rake to test your library against different versi...
292,4613,096forgeryEasy and customizable generation of forged data. Can be used as a gem or a rails plugin...
302,4841,713cuke_modelerThis gem facilitates modeling a test suite that is written in Gherkin (e.g. Cucumber, S...
312,7694,434arubaExtension for popular TDD and BDD frameworks like "Cucumber", "RSpec" and "Minitest", t...
323,4243,435test_xmlTest your XML with Test::Unit, MiniTest, RSpec, or Cucumber using handy assertions like...
333,5946,183spinachSpinach is a BDD framework on top of gherkin
343,7494,505ruby-jmeterRuby based DSL for writing JMeter test plans
353,8707,652machinistFixtures aren't fun. Machinist is.
364,0334,050puppet_litmusProviding a simple command line tool for puppet content creators, to enable simple and ...
374,5136,235nyan-cat-formatterNyan Cat inspired RSpec formatter!
384,78411,209konachaKonacha is a Rails engine that allows you to test your JavaScript with the mocha test f...
394,8064,493onceoverAutomatically generates tests for your Puppet code
406,78210,401cuke_slicerSlices a Cucumber test suite into the smallest possible executable pieces (i.e. scenari...
417,33512,824baconBacon is a small RSpec clone weighing less than 350 LoC but nevertheless providing all ...
427,6336,186chutneyA linter for your Cucumber features. Making sure you have nice, expressible Gherkin is ...
437,7794,515cuke_linterThis gem provides linters for detecting common 'smells' in `.feature` files. In additio...
448,617144,505active_mockerCreates stub classes from any ActiveRecord model. By using stubs in your tests you don'...
4510,0527,806faker_makerFakerMaker is a simple factory builder so you can throw away your fixtures and generate...
4610,0755,219workato-connector-sdkReproduce key concepts of Workato SDK, DSL, behavior and constraints.
4710,80013,045cqlCQL is a domain specific language used for querying a Cucumber (or other Gherkin based)...
4811,1576,293rspec-dry-structRSpec `have_attribute` matcher for dry-struct gem
4911,6845,315matchiCollection of expectation matchers for Rubyists 🤹
5012,4787,913mutant-minitestMinitest integration for mutant
5112,58325,663cutestRun tests in separate processes to avoid shared state.
5214,101144,505cucumber_analyticsStatic analysis of Cucumber tests made easy.
5314,27070,766api_tasterA quick and easy way to visually test out your application's API.
5415,36513,162spectusExpectation library with RFC 2119's requirement levels 🚥
5516,07914,555howitzerHowitzer uses the best practices and design patterns allowing to generate a test projec...
5616,82414,738fixSpecing framework for Ruby.
5723,96316,664cuke_catalogerScans existing Cucumber tests and updates them to include an id tag that is unique for ...
5825,95512,420gitarrogitarro run tests on GitHub PRs using almost any script,language or binary, it integrat...
5928,586144,505cuketaggerbatch tagging of cucumber features and scenarios
6030,26719,278r_specA minimalist RSpec clone with all the essentials.
6130,83711,285ruby_raiderThis gem has everything you need to start working with test automation
6232,910144,505zapataWho has time to write tests? This is a revolutional tool to make them write themselves.
6344,249144,505brutalA code-first approach to automate the writing of unit tests.
6444,25815,138mature_factoryconfigurable modules provide a tiny DSL for managing factory
6555,90460,044emoji-rspecCustom formatters for RSpec tests.
6669,15360,044fake_personA Ruby library for creating fake personalities
6778,42483,376capybara-wslAllows Capybara to open pages/screenshots in Windows browsers via Launchy.
6889,41253,660like_im_fiveLike Im Five generate a file with factories you need to test a specific object. It use ...
69109,949106,746cuke_commanderProvides an easy way to build a cucumber commandline.
70147,765144,505capybara-react-datetimeHelper for changing date input of react-datetime library
71155,62283,376rspec-log_matcherWriting logs is an easy way to store any kind of information for further analysis later...
72172,876106,746haml-lint-bootstrapA simple HAML-Lint plugin used for linting HAML files utilizing Bootstrap. Supported Bo...
73176,977144,505cucoA simple and flexible file watcher