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Capybara is an integration testing tool for rack based web applications. It simulates how a user would interact with a website. | Adds more than 155 useful and frequently rather fundamental methods which are missing in Ruby programming language, to Array, File, Hash, Module, Object, String and Symbol classes. It tries to be similar project to Ruby Facets on principle, but less complex, more practical, non-atomic and organized by better way. Thanks to defensive and careful patching it should be compatible with all other libraries. |
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Rake is a Make-like program implemented in Ruby. Tasks and dependencies are specified in standard Ruby syntax. Rake has the following features: * Rakefiles (rake's version of Makefiles) are completely defined in standard Ruby syntax. No XML files to edit. No quirky Makefile syntax to worry about (is that a tab or a space?) * Users can specify tasks with prerequisites. * Rake supports rule patterns to synthesize implicit tasks. * Flexible FileLists that act like arrays but know about manipulating file names and paths. * Supports parallel execution of tasks.

An IRB alternative and runtime developer console.

BDD for Ruby.

Ruby on Rails is a full-stack web framework optimized for programmer happiness and sustainable productivity. It encourages beautiful code by favoring convention over configuration.

Code coverage for Ruby 1.9+ with a powerful configuration library and automatic merging of coverage across test suites.

Puma is a simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications. Puma is intended for use in both development and production environments. It's great for highly concurrent Ruby implementations such as Rubinius and JRuby as well as as providing process worker support to support CRuby well.

Pg is the Ruby interface to the {PostgreSQL RDBMS}[http://www.postgresql.org/]. It works with {PostgreSQL 9.2 and later}[http://www.postgresql.org/support/versioning/]. A small example usage: #!/usr/bin/env ruby require 'pg' # Output a table of current connections to the DB conn = PG.connect( dbname: 'sales' ) conn.exec( "SELECT * FROM pg_stat_activity" ) do |result| puts " PID | User | Query" result.each do |row| puts " %7d | %-16s | %s " % row.values_at('procpid', 'usename', 'current_query') end end.

Rspec-rails is a testing framework for Rails 3+.

Automatic Ruby code style checking tool. Aims to enforce the community-driven Ruby Style Guide.

Byebug is a Ruby debugger. It's implemented using the TracePoint C API for execution control and the Debug Inspector C API for call stack navigation. The core component provides support that front-ends can build on. It provides breakpoint handling and bindings for stack frames among other things and it comes with an easy to use command line interface.