Testing Gems

#Total RankDaily RankNameSummary
11616minitestminitest provides a complete suite of testing facilities supporting TDD, BDD, mocking, ...
22777rspecBDD for Ruby
3115160webmockWebMock allows stubbing HTTP requests and setting expectations on HTTP requests.
4133135knapsackParallel tests across CI server nodes based on each test file's time execution. It gene...
5135170capybaraCapybara is an integration testing tool for rack based web applications. It simulates h...
6137185selenium-webdriverSelenium implements the W3C WebDriver protocol to automate popular browsers. It aim...
7146187factory_botfactory_bot provides a framework and DSL for defining and using factories - less error-...
8150161fakerFaker, a port of Data::Faker from Perl, is used to easily generate fake data: names, ad...
9191291timecopA gem providing "time travel" and "time freezing" capabilities, making it dead simple t...
10198224shoulda-matchersShoulda Matchers provides RSpec- and Minitest-compatible one-liners to test common Rail...
11199351springPreloads your application so things like console, rake and tests run faster
12317307parallel_testsRun Test::Unit / RSpec / Cucumber / Spinach in parallel
13321363vcrRecord your test suite's HTTP interactions and replay them during future test runs for ...
14487538cucumberBehaviour Driven Development with elegance and joy
15638480mochaMocking and stubbing library with JMock/SchMock syntax, which allows mocking and stubbi...
16649543test-unittest-unit (Test::Unit) is unit testing framework for Ruby, based on xUnit principles. T...
17729561power_assertPower Assert shows each value of variables and method calls in the expression. It is us...
18732636rspec-parameterizedRSpec::Parameterized supports simple parameterized test syntax in rspec.
197521,343ffakerFfaker generates dummy data.
207571,431fuubarthe instafailing RSpec progress bar formatter
211,131618watirWatir stands for Web Application Testing In Ruby It facilitates the writing of automate...
221,1482,068poltergeistPoltergeist is a driver for Capybara that allows you to run your tests on a headless We...
231,3252,030undercoverActionable code coverage - detects untested code blocks in recent changes
242,0042,669rrRR is a test double framework that features a rich selection of double techniques and a...
252,0271,286appraisalAppraisal integrates with bundler and rake to test your library against different versi...
262,0421,825minitest-hooksminitest-hooks adds around and before_all/after_all/around_all hooks for Minitest. This...
272,0441,600fabricationFabrication is an object generation framework for ActiveRecord, Mongoid, Sequel, or any...
282,1773,765sporkA forking Drb spec server
292,2891,988cuke_modelerThis gem facilitates modeling a test suite that is written in Gherkin (e.g. Cucumber, S...
302,6903,184forgeryEasy and customizable generation of forged data. Can be used as a gem or a rails plugin...
312,9313,216arubaExtension for popular TDD and BDD frameworks like "Cucumber", "RSpec" and "Minitest", t...
323,4703,556rspec-watcherAutomatically runs specs in reaction to changes in files. Loads the project once and us...
333,6044,168test_xmlTest your XML with Test::Unit, MiniTest, RSpec, or Cucumber using handy assertions like...
343,8803,416puppet_litmusProviding a simple command line tool for puppet content creators, to enable simple and ...
353,9666,489ruby-jmeterRuby based DSL for writing JMeter test plans
363,9807,554spinachSpinach is a BDD framework on top of gherkin
374,2427,105machinistFixtures aren't fun. Machinist is.
384,8965,941nyan-cat-formatterNyan Cat inspired RSpec formatter!
395,0505,616onceoverAutomatically generates tests for your Puppet code
405,37312,011konachaKonacha is a Rails engine that allows you to test your JavaScript with the mocha test f...
417,0576,818chutneyA linter for your Cucumber features. Making sure you have nice, expressible Gherkin is ...
427,25010,973cuke_slicerSlices a Cucumber test suite into the smallest possible executable pieces (i.e. scenari...
437,2519,638cuke_linterThis gem provides linters for detecting common 'smells' in `.feature` files. In additio...
447,8576,502workato-connector-sdkReproduce key concepts of Workato SDK, DSL, behavior and constraints.
458,1515,995baconBacon is a small RSpec clone weighing less than 350 LoC but nevertheless providing all ...
469,3869,588active_mockerCreates stub classes from any ActiveRecord model. By using stubs in your tests you don'...
479,8769,538faker_makerFakerMaker is a simple factory builder so you can throw away your fixtures and generate...
4810,2367,730rspec-dry-structRSpec `have_attribute` matcher for dry-struct gem
4911,1347,955matchiMatchi is a framework-agnostic Ruby library that provides a comprehensive set of expect...
5011,56110,556cqlCQL is a domain specific language used for querying a Cucumber (or other Gherkin based)...
5112,64813,855mutant-minitestMinitest integration for mutant
5213,2899,688cutestRun tests in separate processes to avoid shared state.
5315,33958,247cucumber_analyticsStatic analysis of Cucumber tests made easy.
5415,44318,850api_tasterA quick and easy way to visually test out your application's API.
5515,8638,275spectusExpectation library with RFC 2119's requirement levels 🚥
5616,19616,542howitzerHowitzer uses the best practices and design patterns allowing to generate a test projec...
5717,23511,163fixFix is a modern Ruby testing framework built around a key architectural principle: the ...
5822,48212,011cuke_catalogerScans existing Cucumber tests and updates them to include an id tag that is unique for ...
5925,49530,587ruby_raiderThis gem has everything you need to start working with test automation
6026,13613,656gitarrogitarro run tests on GitHub PRs using almost any script,language or binary, it integrat...
6129,98625,730cuketaggerbatch tagging of cucumber features and scenarios
6230,17214,043r_specA minimalist RSpec clone with all the essentials.
6334,01423,432zapataWho has time to write tests? This is a revolutional tool to make them write themselves.
6442,10318,320brutalA code-first approach to automate the writing of unit tests.
6544,25815,138mature_factoryconfigurable modules provide a tiny DSL for managing factory
6657,88458,247emoji-rspecCustom formatters for RSpec tests.
6770,24851,612fake_personA Ruby library for creating fake personalities
6875,77766,833capybara-wslAllows Capybara to open pages/screenshots in Windows browsers via Launchy.
6991,400145,948like_im_fiveLike Im Five generate a file with factories you need to test a specific object. It use ...
70111,797116,310cuke_commanderProvides an easy way to build a cucumber commandline.
71147,124145,948capybara-react-datetimeHelper for changing date input of react-datetime library
72154,08058,247importmap_mocha-railsAdd JavaScript testing tools in importmap-rails environment.
73154,14093,924rspec-log_matcherWriting logs is an easy way to store any kind of information for further analysis later...
74157,35341,793cucoA simple and flexible file watcher
75175,542116,310haml-lint-bootstrapA simple HAML-Lint plugin used for linting HAML files utilizing Bootstrap. Supported Bo...
76182,88466,833faker-gpkFaker extension for Garbage Pail Kids