Ruby

Environment

Qualified supports Ruby MRI 3.0, 2.5 and 2.3.

Ruby versions older than 3.0 are deprecated. Use Ruby 3.0.

Timeout

The sandbox environment will timeout the code within 12 seconds.

Gems

The following gems are available for use:

Ruby MRI 3.0

Default (no preset)

• faker
• faraday
• mongo
• nokogiri
• pg
• rack
• rack-test
• redis
• rspec
• sequel
• sqlite3
• webmock

Ruby on Rails preset

Only available in Project Code Challenges.

• bcrypt ~> 3.1.7
• puma ~> 5.0
• rails ~> 6.1.3
• sqlite3 ~> 1.4
• rspec-rails

Ruby MRI 2.5

• activesupport ~> 5.2.0
• factory_bot ~> 4.8.2
• faker ~> 1.8.7
• faraday ~> 0.15.1
• mongo ~> 2.5.3
• mongoid ~> 6.2.0
• nokogiri ~> 1.8.2
• pg ~> 1.0.0
• rack ~> 2.0.5
• rails ~> 5.2.0
• redis ~> 4.0.1
• rspec ~> 3.7.0
• rspec-its ~> 1.2.0
• sequel ~> 5.8.0
• sinatra ~> 2.0.1
• sqlite3 ~> 1.3.13
• webmock ~> 3.4.2

Ruby MRI 2.3

• activesupport ~> 5.1.2
• awesome_print ~> 1.8.0
• bcrypt ~> 3.1.11
• capybara ~> 2.14.4
• celluloid ~> 0.17.3
• chronic ~> 0.10.2
• concerning ~> 1.1.0
• concurrent-ruby ~> 1.0.5
• connection_pool ~> 2.2.1
• eventmachine ~> 1.2.3
• factory_girl ~> 4.8.0
• faker ~> 1.8.4
• faraday ~> 0.12.2
• hamster ~> 3.0.0
• hashie ~> 3.5.6
• httparty ~> 0.15.6
• jbuilder ~> 2.7.0
• jwt ~> 1.5.6
• mock_redis ~> 0.17.3
• mongo ~> 2.4.3
• mongoid ~> 6.2.0
• nokogiri ~> 1.8.0
• pg ~> 0.21.0
• rack ~> 2.0.3
• rails ~> 5.1.2
• redis ~> 3.3.3
• rspec ~> 3.6.0
• rspec-its ~> 1.2.0
• rspec-rails ~> 3.6.0
• sequel ~> 4.48.0
• sinatra ~> 2.0.0
• sqlite3 ~> 1.3.13
• timecop ~> 0.9.1
• timers ~> 4.1.2
• webmock ~> 3.0.1

Testing

Our Ruby environment supports the following testing frameworks:

• ruby/rspec
• ruby/cw-2