fix(rubocop): Satisfy Style/StringLiterals with single_quotes [ci skip]

Rakefile

@@ -8,14 +8,14 @@ require_relative 'spec/support/tests/current_bundle'
 
 RSpec::Core::RakeTask.new('spec:unit') do |t|
   t.ruby_opts = '-w -r ./spec/report_warnings'
-  t.pattern = "spec/unit/**/*_spec.rb"
+  t.pattern = 'spec/unit/**/*_spec.rb'
   t.rspec_opts = '--color --format progress'
   t.verbose = false
 end
 
 RSpec::Core::RakeTask.new('spec:acceptance') do |t|
   t.ruby_opts = '-w -r ./spec/report_warnings'
-  t.pattern = "spec/acceptance/**/*_spec.rb"
+  t.pattern = 'spec/acceptance/**/*_spec.rb'
   t.rspec_opts = '--color --format progress'
   t.verbose = false
 end
@@ -26,7 +26,7 @@ task :default do
     sh 'rake spec:acceptance --trace'
   else
     if ENV['CI']
-      exec "appraisal install && appraisal rake --trace"
+      exec 'appraisal install && appraisal rake --trace'
     else
       appraisal = Tests::CurrentBundle.instance.latest_appraisal
       exec "appraisal install && appraisal #{appraisal} rake --trace"

doc_config/yard/templates/default/fulldoc/html/setup.rb

@@ -8,7 +8,7 @@ def javascripts
 end
 
 def class_list(root = Registry.root, tree = TreeContext.new)
-  out = String.new("")
+  out = String.new('')
   children = run_verifier(root.children)
   if root == Registry.root
     children += @items.select {|o| o.namespace.is_a?(CodeObjects::Proxy) }
@@ -24,12 +24,12 @@ def class_list(root = Registry.root, tree = TreeContext.new)
     out << " &lt; #{child.superclass.name}" if child.is_a?(CodeObjects::ClassObject) && child.superclass
     out << "<small class='search_info'>"
     out << child.namespace.title
-    out << "</small>"
-    out << "</div>"
+    out << '</small>'
+    out << '</div>'
     tree.nest do
       out << "<ul>#{class_list(child, tree)}</ul>" if has_children
     end
-    out << "</li>"
+    out << '</li>'
   end
   out
 end

doc_config/yard/templates/default/layout/html/setup.rb

@@ -17,7 +17,7 @@ def diskfile
   end
 
   data = htmlify(contents, @file.attributes[:markup])
-  "<div id='filecontents'>" + data + "</div>"
+  "<div id='filecontents'>" + data + '</div>'
 end
 
 def preprocess_index(contents)

gemfiles/rails_4_2.gemfile

@@ -1,36 +1,36 @@
 # This file was generated by Appraisal
 
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
-gem "activeresource", "4.0.0"
-gem "appraisal", "2.2.0"
-gem "bcrypt", "~> 3.1.7"
-gem "bundler", "~> 1.1"
-gem "coffee-rails", "~> 4.1.0"
-gem "fssm"
-gem "jbuilder", "~> 2.0"
-gem "jquery-rails"
-gem "json", "~> 1.4"
-gem "pg", "~> 0.18"
-gem "protected_attributes", "~> 1.0.6"
-gem "pry"
-gem "pry-byebug"
-gem "rails", "4.2.11.1"
-gem "rake", "13.0.1"
-gem "redcarpet"
-gem "rouge"
-gem "rspec", "~> 3.9"
-gem "rspec-rails", "~> 3.9"
-gem "rubocop", require: false
-gem "rubocop-rails", require: false
-gem "sass-rails", "~> 5.0"
-gem "sdoc", "~> 0.4.0", group: :doc
-gem "shoulda-context", "~> 1.2.0"
-gem "spring"
-gem "spring-commands-rspec"
-gem "sqlite3", "~> 1.3.6"
-gem "turbolinks"
-gem "uglifier", ">= 1.3.0"
-gem "warnings_logger"
-gem "yard"
-gem "zeus", require: false
+gem 'activeresource', '4.0.0'
+gem 'appraisal', '2.2.0'
+gem 'bcrypt', '~> 3.1.7'
+gem 'bundler', '~> 1.1'
+gem 'coffee-rails', '~> 4.1.0'
+gem 'fssm'
+gem 'jbuilder', '~> 2.0'
+gem 'jquery-rails'
+gem 'json', '~> 1.4'
+gem 'pg', '~> 0.18'
+gem 'protected_attributes', '~> 1.0.6'
+gem 'pry'
+gem 'pry-byebug'
+gem 'rails', '4.2.11.1'
+gem 'rake', '13.0.1'
+gem 'redcarpet'
+gem 'rouge'
+gem 'rspec', '~> 3.9'
+gem 'rspec-rails', '~> 3.9'
+gem 'rubocop', require: false
+gem 'rubocop-rails', require: false
+gem 'sass-rails', '~> 5.0'
+gem 'sdoc', '~> 0.4.0', group: :doc
+gem 'shoulda-context', '~> 1.2.0'
+gem 'spring'
+gem 'spring-commands-rspec'
+gem 'sqlite3', '~> 1.3.6'
+gem 'turbolinks'
+gem 'uglifier', '>= 1.3.0'
+gem 'warnings_logger'
+gem 'yard'
+gem 'zeus', require: false

gemfiles/rails_5_0.gemfile

@@ -1,34 +1,34 @@
 # This file was generated by Appraisal
 
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
-gem "appraisal", "2.2.0"
-gem "bcrypt", "~> 3.1.7"
-gem "bundler", "~> 1.1"
-gem "fssm"
-gem "jbuilder", "~> 2.5"
-gem "jquery-rails"
-gem "listen", "~> 3.0.5"
-gem "pg", "~> 0.18"
-gem "pry"
-gem "pry-byebug"
-gem "puma", "~> 3.0"
-gem "rails", "5.0.7.2"
-gem "rails-controller-testing", ">= 1.0.1"
-gem "rake", "13.0.1"
-gem "redcarpet"
-gem "rouge"
-gem "rspec", "~> 3.9"
-gem "rspec-rails", "~> 3.9"
-gem "rubocop", require: false
-gem "rubocop-rails", require: false
-gem "sass-rails", "~> 5.0"
-gem "shoulda-context", "~> 1.2.0"
-gem "spring"
-gem "spring-commands-rspec"
-gem "spring-watcher-listen", "~> 2.0.0"
-gem "sqlite3", "~> 1.3.6"
-gem "turbolinks", "~> 5"
-gem "warnings_logger"
-gem "yard"
-gem "zeus", require: false
+gem 'appraisal', '2.2.0'
+gem 'bcrypt', '~> 3.1.7'
+gem 'bundler', '~> 1.1'
+gem 'fssm'
+gem 'jbuilder', '~> 2.5'
+gem 'jquery-rails'
+gem 'listen', '~> 3.0.5'
+gem 'pg', '~> 0.18'
+gem 'pry'
+gem 'pry-byebug'
+gem 'puma', '~> 3.0'
+gem 'rails', '5.0.7.2'
+gem 'rails-controller-testing', '>= 1.0.1'
+gem 'rake', '13.0.1'
+gem 'redcarpet'
+gem 'rouge'
+gem 'rspec', '~> 3.9'
+gem 'rspec-rails', '~> 3.9'
+gem 'rubocop', require: false
+gem 'rubocop-rails', require: false
+gem 'sass-rails', '~> 5.0'
+gem 'shoulda-context', '~> 1.2.0'
+gem 'spring'
+gem 'spring-commands-rspec'
+gem 'spring-watcher-listen', '~> 2.0.0'
+gem 'sqlite3', '~> 1.3.6'
+gem 'turbolinks', '~> 5'
+gem 'warnings_logger'
+gem 'yard'
+gem 'zeus', require: false

gemfiles/rails_5_1.gemfile

@@ -1,35 +1,35 @@
 # This file was generated by Appraisal
 
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
-gem "appraisal", "2.2.0"
-gem "bcrypt", "~> 3.1.7"
-gem "bundler", "~> 1.1"
-gem "capybara", "~> 2.13"
-gem "fssm"
-gem "jbuilder", "~> 2.5"
-gem "listen", ">= 3.0.5", "< 3.2"
-gem "pg", "~> 0.18"
-gem "pry"
-gem "pry-byebug"
-gem "puma", "~> 3.7"
-gem "rails", "5.1.7"
-gem "rails-controller-testing", ">= 1.0.1"
-gem "rake", "13.0.1"
-gem "redcarpet"
-gem "rouge"
-gem "rspec", "~> 3.9"
-gem "rspec-rails", "~> 3.9"
-gem "rubocop", require: false
-gem "rubocop-rails", require: false
-gem "sass-rails", "~> 5.0"
-gem "selenium-webdriver"
-gem "shoulda-context", "~> 1.2.0"
-gem "spring"
-gem "spring-commands-rspec"
-gem "spring-watcher-listen", "~> 2.0.0"
-gem "sqlite3", "~> 1.3.6"
-gem "turbolinks", "~> 5"
-gem "warnings_logger"
-gem "yard"
-gem "zeus", require: false
+gem 'appraisal', '2.2.0'
+gem 'bcrypt', '~> 3.1.7'
+gem 'bundler', '~> 1.1'
+gem 'capybara', '~> 2.13'
+gem 'fssm'
+gem 'jbuilder', '~> 2.5'
+gem 'listen', '>= 3.0.5', '< 3.2'
+gem 'pg', '~> 0.18'
+gem 'pry'
+gem 'pry-byebug'
+gem 'puma', '~> 3.7'
+gem 'rails', '5.1.7'
+gem 'rails-controller-testing', '>= 1.0.1'
+gem 'rake', '13.0.1'
+gem 'redcarpet'
+gem 'rouge'
+gem 'rspec', '~> 3.9'
+gem 'rspec-rails', '~> 3.9'
+gem 'rubocop', require: false
+gem 'rubocop-rails', require: false
+gem 'sass-rails', '~> 5.0'
+gem 'selenium-webdriver'
+gem 'shoulda-context', '~> 1.2.0'
+gem 'spring'
+gem 'spring-commands-rspec'
+gem 'spring-watcher-listen', '~> 2.0.0'
+gem 'sqlite3', '~> 1.3.6'
+gem 'turbolinks', '~> 5'
+gem 'warnings_logger'
+gem 'yard'
+gem 'zeus', require: false

gemfiles/rails_5_2.gemfile

@@ -1,37 +1,37 @@
 # This file was generated by Appraisal
 
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
-gem "appraisal", "2.2.0"
-gem "bcrypt", "~> 3.1.7"
-gem "bootsnap", ">= 1.1.0", require: false
-gem "bundler", "~> 1.1"
-gem "capybara", "~> 3.1.1"
-gem "chromedriver-helper"
-gem "fssm"
-gem "jbuilder", "~> 2.5"
-gem "listen", ">= 3.0.5", "< 3.2"
-gem "pg", "~> 0.18"
-gem "pry"
-gem "pry-byebug"
-gem "puma", "~> 3.11"
-gem "rails", "5.2.4.1"
-gem "rails-controller-testing", ">= 1.0.1"
-gem "rake", "13.0.1"
-gem "redcarpet"
-gem "rouge"
-gem "rspec", "~> 3.9"
-gem "rspec-rails", "~> 3.9"
-gem "rubocop", require: false
-gem "rubocop-rails", require: false
-gem "sass-rails", "~> 5.0"
-gem "selenium-webdriver"
-gem "shoulda-context", "~> 1.2.0"
-gem "spring"
-gem "spring-commands-rspec"
-gem "spring-watcher-listen", "~> 2.0.0"
-gem "sqlite3", "~> 1.3.6"
-gem "turbolinks", "~> 5"
-gem "warnings_logger"
-gem "yard"
-gem "zeus", require: false
+gem 'appraisal', '2.2.0'
+gem 'bcrypt', '~> 3.1.7'
+gem 'bootsnap', '>= 1.1.0', require: false
+gem 'bundler', '~> 1.1'
+gem 'capybara', '~> 3.1.1'
+gem 'chromedriver-helper'
+gem 'fssm'
+gem 'jbuilder', '~> 2.5'
+gem 'listen', '>= 3.0.5', '< 3.2'
+gem 'pg', '~> 0.18'
+gem 'pry'
+gem 'pry-byebug'
+gem 'puma', '~> 3.11'
+gem 'rails', '5.2.4.1'
+gem 'rails-controller-testing', '>= 1.0.1'
+gem 'rake', '13.0.1'
+gem 'redcarpet'
+gem 'rouge'
+gem 'rspec', '~> 3.9'
+gem 'rspec-rails', '~> 3.9'
+gem 'rubocop', require: false
+gem 'rubocop-rails', require: false
+gem 'sass-rails', '~> 5.0'
+gem 'selenium-webdriver'
+gem 'shoulda-context', '~> 1.2.0'
+gem 'spring'
+gem 'spring-commands-rspec'
+gem 'spring-watcher-listen', '~> 2.0.0'
+gem 'sqlite3', '~> 1.3.6'
+gem 'turbolinks', '~> 5'
+gem 'warnings_logger'
+gem 'yard'
+gem 'zeus', require: false

gemfiles/rails_6_0.gemfile

@@ -1,38 +1,38 @@
 # This file was generated by Appraisal
 
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
-gem "actiontext", "~> 6.0.2.1"
-gem "appraisal", "2.2.0"
-gem "bcrypt", "~> 3.1.7"
-gem "bootsnap", ">= 1.4.2", require: false
-gem "bundler", "~> 1.1"
-gem "capybara", ">= 2.15"
-gem "fssm"
-gem "jbuilder", "~> 2.7"
-gem "listen", ">= 3.0.5", "< 3.2"
-gem "pg", ">= 0.18", "< 2.0"
-gem "pry"
-gem "pry-byebug"
-gem "puma", "~> 4.1"
-gem "rails", "6.0.2.1"
-gem "rails-controller-testing", ">= 1.0.1"
-gem "rake", "13.0.1"
-gem "redcarpet"
-gem "rouge"
-gem "rspec", "~> 3.9"
-gem "rspec-rails", "~> 3.9"
-gem "rubocop", require: false
-gem "rubocop-rails", require: false
-gem "sass-rails", ">= 6"
-gem "selenium-webdriver"
-gem "shoulda-context", "~> 1.2.0"
-gem "spring"
-gem "spring-commands-rspec"
-gem "spring-watcher-listen", "~> 2.0.0"
-gem "sqlite3", "~> 1.4"
-gem "turbolinks", "~> 5"
-gem "warnings_logger"
-gem "webdrivers"
-gem "yard"
-gem "zeus", require: false
+gem 'actiontext', '~> 6.0.2.1'
+gem 'appraisal', '2.2.0'
+gem 'bcrypt', '~> 3.1.7'
+gem 'bootsnap', '>= 1.4.2', require: false
+gem 'bundler', '~> 1.1'
+gem 'capybara', '>= 2.15'
+gem 'fssm'
+gem 'jbuilder', '~> 2.7'
+gem 'listen', '>= 3.0.5', '< 3.2'
+gem 'pg', '>= 0.18', '< 2.0'
+gem 'pry'
+gem 'pry-byebug'
+gem 'puma', '~> 4.1'
+gem 'rails', '6.0.2.1'
+gem 'rails-controller-testing', '>= 1.0.1'
+gem 'rake', '13.0.1'
+gem 'redcarpet'
+gem 'rouge'
+gem 'rspec', '~> 3.9'
+gem 'rspec-rails', '~> 3.9'
+gem 'rubocop', require: false
+gem 'rubocop-rails', require: false
+gem 'sass-rails', '>= 6'
+gem 'selenium-webdriver'
+gem 'shoulda-context', '~> 1.2.0'
+gem 'spring'
+gem 'spring-commands-rspec'
+gem 'spring-watcher-listen', '~> 2.0.0'
+gem 'sqlite3', '~> 1.4'
+gem 'turbolinks', '~> 5'
+gem 'warnings_logger'
+gem 'webdrivers'
+gem 'yard'
+gem 'zeus', require: false

lib/shoulda/matchers/active_model/allow_value_matcher.rb

@@ -603,8 +603,8 @@ pass, or do something else entirely.
 
         def inspected_values_to_set
           Shoulda::Matchers::Util.inspect_values(values_to_set).to_sentence(
-            two_words_connector: " or ",
-            last_word_connector: ", or "
+            two_words_connector: ' or ',
+            last_word_connector: ', or '
           )
         end
 

lib/shoulda/matchers/active_model/allow_value_matcher/attribute_setter.rb

@@ -36,9 +36,9 @@ module Shoulda
             description << Shoulda::Matchers::Util.inspect_value(value_written)
 
             if attribute_changed_value?
-              description << " -- which was read back as "
+              description << ' -- which was read back as '
               description << Shoulda::Matchers::Util.inspect_value(value_read)
-              description << " --"
+              description << ' --'
             end
 
             description

lib/shoulda/matchers/active_model/numericality_matchers/comparison_matcher.rb

@@ -144,11 +144,11 @@ module Shoulda
 
           def comparison_expectation
             case @operator
-              when :> then "greater than"
-              when :>= then "greater than or equal to"
-              when :== then "equal to"
-              when :< then "less than"
-              when :<= then "less than or equal to"
+              when :> then 'greater than'
+              when :>= then 'greater than or equal to'
+              when :== then 'equal to'
+              when :< then 'less than'
+              when :<= then 'less than or equal to'
               when :!= then 'other than'
             end
           end

lib/shoulda/matchers/active_model/validate_exclusion_of_matcher.rb

@@ -238,8 +238,8 @@ module Shoulda
 
         def inspected_array
           Shoulda::Matchers::Util.inspect_values(@array).to_sentence(
-            two_words_connector: " nor ",
-            last_word_connector: ", nor "
+            two_words_connector: ' nor ',
+            last_word_connector: ', nor '
           )
         end
       end

lib/shoulda/matchers/active_model/validate_inclusion_of_matcher.rb

@@ -609,8 +609,8 @@ EOT
 
         def inspected_array
           Shoulda::Matchers::Util.inspect_values(@array).to_sentence(
-            two_words_connector: " or ",
-            last_word_connector: ", or "
+            two_words_connector: ' or ',
+            last_word_connector: ', or '
           )
         end
       end

lib/shoulda/matchers/active_record.rb

@@ -1,29 +1,29 @@
-require "shoulda/matchers/active_record/association_matcher"
-require "shoulda/matchers/active_record/association_matchers"
-require "shoulda/matchers/active_record/association_matchers/counter_cache_matcher"
-require "shoulda/matchers/active_record/association_matchers/inverse_of_matcher"
-require "shoulda/matchers/active_record/association_matchers/join_table_matcher"
-require "shoulda/matchers/active_record/association_matchers/order_matcher"
-require "shoulda/matchers/active_record/association_matchers/through_matcher"
-require "shoulda/matchers/active_record/association_matchers/dependent_matcher"
-require "shoulda/matchers/active_record/association_matchers/required_matcher"
-require "shoulda/matchers/active_record/association_matchers/optional_matcher"
-require "shoulda/matchers/active_record/association_matchers/source_matcher"
-require "shoulda/matchers/active_record/association_matchers/model_reflector"
-require "shoulda/matchers/active_record/association_matchers/model_reflection"
-require "shoulda/matchers/active_record/association_matchers/option_verifier"
-require "shoulda/matchers/active_record/have_db_column_matcher"
-require "shoulda/matchers/active_record/have_db_index_matcher"
-require "shoulda/matchers/active_record/have_implicit_order_column"
-require "shoulda/matchers/active_record/have_readonly_attribute_matcher"
-require "shoulda/matchers/active_record/have_rich_text_matcher"
-require "shoulda/matchers/active_record/have_secure_token_matcher"
-require "shoulda/matchers/active_record/serialize_matcher"
-require "shoulda/matchers/active_record/accept_nested_attributes_for_matcher"
-require "shoulda/matchers/active_record/define_enum_for_matcher"
-require "shoulda/matchers/active_record/uniqueness"
-require "shoulda/matchers/active_record/validate_uniqueness_of_matcher"
-require "shoulda/matchers/active_record/have_attached_matcher"
+require 'shoulda/matchers/active_record/association_matcher'
+require 'shoulda/matchers/active_record/association_matchers'
+require 'shoulda/matchers/active_record/association_matchers/counter_cache_matcher'
+require 'shoulda/matchers/active_record/association_matchers/inverse_of_matcher'
+require 'shoulda/matchers/active_record/association_matchers/join_table_matcher'
+require 'shoulda/matchers/active_record/association_matchers/order_matcher'
+require 'shoulda/matchers/active_record/association_matchers/through_matcher'
+require 'shoulda/matchers/active_record/association_matchers/dependent_matcher'
+require 'shoulda/matchers/active_record/association_matchers/required_matcher'
+require 'shoulda/matchers/active_record/association_matchers/optional_matcher'
+require 'shoulda/matchers/active_record/association_matchers/source_matcher'
+require 'shoulda/matchers/active_record/association_matchers/model_reflector'
+require 'shoulda/matchers/active_record/association_matchers/model_reflection'
+require 'shoulda/matchers/active_record/association_matchers/option_verifier'
+require 'shoulda/matchers/active_record/have_db_column_matcher'
+require 'shoulda/matchers/active_record/have_db_index_matcher'
+require 'shoulda/matchers/active_record/have_implicit_order_column'
+require 'shoulda/matchers/active_record/have_readonly_attribute_matcher'
+require 'shoulda/matchers/active_record/have_rich_text_matcher'
+require 'shoulda/matchers/active_record/have_secure_token_matcher'
+require 'shoulda/matchers/active_record/serialize_matcher'
+require 'shoulda/matchers/active_record/accept_nested_attributes_for_matcher'
+require 'shoulda/matchers/active_record/define_enum_for_matcher'
+require 'shoulda/matchers/active_record/uniqueness'
+require 'shoulda/matchers/active_record/validate_uniqueness_of_matcher'
+require 'shoulda/matchers/active_record/have_attached_matcher'
 
 module Shoulda
   module Matchers

lib/shoulda/matchers/active_record/have_implicit_order_column.rb

@@ -81,7 +81,7 @@ module Shoulda
           if model.implicit_order_column.to_s != column_name.to_s
             message =
               if model.implicit_order_column.nil?
-                "implicit_order_column is not set"
+                'implicit_order_column is not set'
               else
                 "it is :#{model.implicit_order_column}"
               end

lib/shoulda/matchers/active_record/validate_uniqueness_of_matcher.rb

@@ -626,9 +626,9 @@ module Shoulda
             reason << inspected_scopes.to_sentence
 
             if inspected_scopes.many?
-              reason << " do not seem to be attributes"
+              reason << ' do not seem to be attributes'
             else
-              reason << " does not seem to be an attribute"
+              reason << ' does not seem to be an attribute'
             end
 
             reason << " on #{model.name}."
@@ -650,9 +650,9 @@ module Shoulda
             reason << inspected_scopes.to_sentence
 
             if inspected_scopes.many?
-              reason << " seem to be attributes"
+              reason << ' seem to be attributes'
             else
-              reason << " seems to be an attribute"
+              reason << ' seems to be an attribute'
             end
 
             reason << " on #{model.name}."
@@ -951,7 +951,7 @@ module Shoulda
               prefix << "‹#{existing_value_read.inspect}›"
             end
 
-            prefix << ", and saving it as the existing record, then"
+            prefix << ', and saving it as the existing record, then'
           else
             if attribute_setter_for_existing_record
               prefix << "Given an existing #{model.name},"

lib/shoulda/matchers/error.rb

@@ -18,7 +18,7 @@ module Shoulda
       end
 
       def message
-        ""
+        ''
       end
 
       def inspect

lib/shoulda/matchers/independent/delegate_method_matcher.rb

@@ -219,9 +219,9 @@ module Shoulda
           end
 
           if expects_to_allow_nil_delegate_object?
-            string << ", allowing "
+            string << ', allowing '
             string << formatted_delegate_object_reader_method_name
-            string << " to return nil"
+            string << ' to return nil'
           end
 
           string
@@ -344,7 +344,7 @@ module Shoulda
           if options[:include_module]
             class_under_test.to_s
           else
-            ""
+            ''
           end
         end
 
@@ -439,7 +439,7 @@ module Shoulda
         end
 
         def formatted_calls_on_delegate_object
-          string = ""
+          string = ''
 
           if calls_on_delegate_object.any?
             string << "\n\n"
@@ -449,7 +449,7 @@ module Shoulda
               string << "#{i+1}) #{name}(#{args})\n"
             end
           else
-            string << " (none)"
+            string << ' (none)'
           end
 
           string.rstrip!

lib/shoulda/matchers/warn.rb

@@ -5,8 +5,8 @@ module Shoulda
 
     # @private
     def self.warn(message)
-      header = "Warning from shoulda-matchers:"
-      divider = "*" * TERMINAL_MAX_WIDTH
+      header = 'Warning from shoulda-matchers:'
+      divider = '*' * TERMINAL_MAX_WIDTH
       wrapped_message = word_wrap(message)
       full_message = [
         divider,

spec/support/acceptance/matchers/indicate_that_tests_were_run_matcher.rb

@@ -75,7 +75,7 @@ module AcceptanceTests
         if matching_expected_output
           "Expected output:\n#{matching_actual_output}"
         else
-          "Expected output: (n/a)"
+          'Expected output: (n/a)'
         end
       end
 
@@ -85,7 +85,7 @@ module AcceptanceTests
 
       def formatted_actual_output
         if actual_output.empty?
-          "Actual output: (empty)"
+          'Actual output: (empty)'
         else
           "Actual output:\n#{actual_output}"
         end

spec/support/tests/current_bundle.rb

@@ -40,7 +40,7 @@ EOT
 
     def current_appraisal
       if appraisal_in_use?
-        File.basename(path, ".gemfile")
+        File.basename(path, '.gemfile')
       end
     end
 

spec/support/unit/helpers/message_helpers.rb

@@ -10,7 +10,7 @@ module UnitTests
       stripped_message = message.strip_heredoc.strip
 
       if one_line
-        stripped_message.tr("\n", " ").squeeze(" ")
+        stripped_message.tr("\n", ' ').squeeze(' ')
       else
         word_wrap(stripped_message)
       end

spec/support/unit/matchers/deprecate.rb

@@ -50,7 +50,7 @@ module UnitTests
 
       def actual_warning
         if captured_stderr.empty?
-          "nothing"
+          'nothing'
         else
           "\n  #{captured_stderr}"
         end

spec/unit/shoulda/matchers/action_controller/route_params_spec.rb

@@ -1,25 +1,25 @@
 require 'unit_spec_helper'
 
 describe Shoulda::Matchers::ActionController::RouteParams, type: :controller do
-  describe "#normalize" do
-    context "when the route parameters is a hash" do
-      it "stringifies the values in the hash" do
+  describe '#normalize' do
+    context 'when the route parameters is a hash' do
+      it 'stringifies the values in the hash' do
         expect(build_route_params(controller: :examples, action: 'example', id: '1').normalize).
-          to eq({ controller: "examples", action: "example", id: "1" })
+          to eq({ controller: 'examples', action: 'example', id: '1' })
       end
     end
 
-    context "when the route parameters is a string and a hash" do
-      it "produces a hash of route parameters" do
-        expect(build_route_params("examples#example", id: '1').normalize).
-          to eq({ controller: "examples", action: "example", id: "1" })
+    context 'when the route parameters is a string and a hash' do
+      it 'produces a hash of route parameters' do
+        expect(build_route_params('examples#example', id: '1').normalize).
+          to eq({ controller: 'examples', action: 'example', id: '1' })
       end
     end
 
-    context "when the route params is a string" do
-      it "produces a hash of route params" do
-        expect(build_route_params("examples#index").normalize).
-          to eq({ controller: "examples", action: "index"})
+    context 'when the route params is a string' do
+      it 'produces a hash of route params' do
+        expect(build_route_params('examples#index').normalize).
+          to eq({ controller: 'examples', action: 'index'})
       end
     end
   end

spec/unit/shoulda/matchers/active_model/allow_value_matcher_spec.rb

@@ -9,7 +9,7 @@ describe Shoulda::Matchers::ActiveModel, type: :model do
 end
 
 describe Shoulda::Matchers::ActiveModel::AllowValueMatcher, type: :model do
-  context "#description" do
+  context '#description' do
     it 'describes itself with two values' do
       matcher = allow_value('foo', 'bar').for(:baz)
 
@@ -43,7 +43,7 @@ describe Shoulda::Matchers::ActiveModel::AllowValueMatcher, type: :model do
     end
 
     it 'truncates the description when long' do
-      matcher = allow_value("A" * 10000).for(:baz)
+      matcher = allow_value('A' * 10000).for(:baz)
 
       expect(matcher.description).to eq "allow :baz to be ‹\"#{"A" * 499}...›"
     end
@@ -325,7 +325,7 @@ errors instead:
 
           record = record_with_custom_validation(options) do
             if self.attr == 'xyz'
-              self.errors.add :attr, "some other error"
+              self.errors.add :attr, 'some other error'
             end
           end
 
@@ -385,7 +385,7 @@ errors instead:
         context 'if the messages do not match' do
           it 'technically accepts' do
             builder = builder_for_record_with_different_error_attribute(
-              message: "a different error"
+              message: 'a different error'
             )
             invalid_value = "#{builder.valid_value} (invalid)"
 
@@ -394,7 +394,7 @@ errors instead:
                 not_to allow_value(invalid_value).
                 for(builder.attribute_to_validate).
                 with_message(
-                  "some error",
+                  'some error',
                   against: builder.attribute_that_receives_error
                 )
             end
@@ -440,20 +440,20 @@ indeed invalid, but it produced these validation errors instead:
     end
   end
 
-  context "an attribute with a context-dependent validation" do
-    context "without the validation context" do
-      it "allows a bad value" do
-        expect(validating_format(with: /abc/, on: :customisable)).to allow_value("xyz").for(:attr)
+  context 'an attribute with a context-dependent validation' do
+    context 'without the validation context' do
+      it 'allows a bad value' do
+        expect(validating_format(with: /abc/, on: :customisable)).to allow_value('xyz').for(:attr)
       end
     end
 
-    context "with the validation context" do
-      it "allows a good value" do
-        expect(validating_format(with: /abc/, on: :customisable)).to allow_value("abcde").for(:attr).on(:customisable)
+    context 'with the validation context' do
+      it 'allows a good value' do
+        expect(validating_format(with: /abc/, on: :customisable)).to allow_value('abcde').for(:attr).on(:customisable)
       end
 
-      it "rejects a bad value" do
-        expect(validating_format(with: /abc/, on: :customisable)).not_to allow_value("xyz").for(:attr).on(:customisable)
+      it 'rejects a bad value' do
+        expect(validating_format(with: /abc/, on: :customisable)).not_to allow_value('xyz').for(:attr).on(:customisable)
       end
     end
   end
@@ -490,7 +490,7 @@ indeed invalid, but it produced these validation errors instead:
         ignoring_interference_by_writer
     end
 
-    it "does not match given good values along with bad values" do
+    it 'does not match given good values along with bad values' do
       message = <<-MESSAGE.strip_heredoc
 After setting :attr to ‹"12345"›, the matcher expected the Example to be
 invalid, but it was valid instead.
@@ -503,7 +503,7 @@ invalid, but it was valid instead.
       expect(&assertion).to fail_with_message(message)
     end
 
-    it "does not match given bad values along with good values" do
+    it 'does not match given bad values along with good values' do
       message = <<-MESSAGE.strip_heredoc
 After setting :attr to ‹"12345"›, the matcher expected the Example to be
 invalid, but it was valid instead.

spec/unit/shoulda/matchers/active_model/disallow_value_matcher_spec.rb

@@ -11,20 +11,20 @@ describe Shoulda::Matchers::ActiveModel::DisallowValueMatcher, type: :model do
     end
   end
 
-  context "an attribute with a context-dependent validation" do
-    context "without the validation context" do
-      it "does not match" do
-        expect(validating_format(with: /abc/, on: :customisable)).not_to matcher("xyz").for(:attr)
+  context 'an attribute with a context-dependent validation' do
+    context 'without the validation context' do
+      it 'does not match' do
+        expect(validating_format(with: /abc/, on: :customisable)).not_to matcher('xyz').for(:attr)
       end
     end
 
-    context "with the validation context" do
-      it "disallows a bad value" do
-        expect(validating_format(with: /abc/, on: :customisable)).to matcher("xyz").for(:attr).on(:customisable)
+    context 'with the validation context' do
+      it 'disallows a bad value' do
+        expect(validating_format(with: /abc/, on: :customisable)).to matcher('xyz').for(:attr).on(:customisable)
       end
 
-      it "does not match a good value" do
-        expect(validating_format(with: /abc/, on: :customisable)).not_to matcher("abcde").for(:attr).on(:customisable)
+      it 'does not match a good value' do
+        expect(validating_format(with: /abc/, on: :customisable)).not_to matcher('abcde').for(:attr).on(:customisable)
       end
     end
   end

spec/unit/shoulda/matchers/active_model/validate_absence_of_matcher_spec.rb

@@ -28,7 +28,7 @@ describe Shoulda::Matchers::ActiveModel::ValidateAbsenceOfMatcher, type: :model
 
       available_column_types.each do |type|
         context "when column is of type #{type}" do
-          it "accepts" do
+          it 'accepts' do
             expect(validating_absence_of(:attr, {}, type: type)).
               to validate_absence_of(:attr)
           end
@@ -198,12 +198,12 @@ could not be proved.
       end
     end
 
-    context "an i18n translation containing %{attribute} and %{model}" do
+    context 'an i18n translation containing %{attribute} and %{model}' do
       after { I18n.backend.reload! }
 
-      it "does not raise an exception" do
-        stub_translation("activerecord.errors.messages.present",
-                         "%{attribute} must be blank in a %{model}")
+      it 'does not raise an exception' do
+        stub_translation('activerecord.errors.messages.present',
+                         '%{attribute} must be blank in a %{model}')
 
         expect {
           expect(validating_absence_of(:attr)).to validate_absence_of(:attr)
@@ -211,15 +211,15 @@ could not be proved.
       end
     end
 
-    context "an attribute with a context-dependent validation" do
-      context "without the validation context" do
-        it "does not match" do
+    context 'an attribute with a context-dependent validation' do
+      context 'without the validation context' do
+        it 'does not match' do
           expect(validating_absence_of(:attr, on: :customisable)).not_to validate_absence_of(:attr)
         end
       end
 
-      context "with the validation context" do
-        it "matches" do
+      context 'with the validation context' do
+        it 'matches' do
           expect(validating_absence_of(:attr, on: :customisable)).to validate_absence_of(:attr).on(:customisable)
         end
       end

spec/unit/shoulda/matchers/active_model/validate_length_of_matcher_spec.rb

@@ -237,14 +237,14 @@ could not be proved.
   context 'using translations' do
     after { I18n.backend.reload! }
 
-    context "a too_long translation containing %{attribute}, %{model}" do
+    context 'a too_long translation containing %{attribute}, %{model}' do
       before do
         stub_translation(
-          "activerecord.errors.messages.too_long",
-          "The %{attribute} of your %{model} is too long (maximum is %{count} characters)")
+          'activerecord.errors.messages.too_long',
+          'The %{attribute} of your %{model} is too long (maximum is %{count} characters)')
       end
 
-      it "does not raise an exception" do
+      it 'does not raise an exception' do
         expect {
           expect(validating_length(maximum: 4)).
             to validate_length_of(:attr).is_at_most(4)
@@ -252,28 +252,28 @@ could not be proved.
       end
     end
 
-    context "a too_short translation containing %{attribute}, %{model}" do
+    context 'a too_short translation containing %{attribute}, %{model}' do
       before do
         stub_translation(
-          "activerecord.errors.messages.too_short",
-          "The %{attribute} of your %{model} is too short (minimum is %{count} characters)")
+          'activerecord.errors.messages.too_short',
+          'The %{attribute} of your %{model} is too short (minimum is %{count} characters)')
       end
 
-      it "does not raise an exception" do
+      it 'does not raise an exception' do
         expect {
           expect(validating_length(minimum: 4)).to validate_length_of(:attr).is_at_least(4)
         }.to_not raise_exception
       end
     end
 
-    context "a wrong_length translation containing %{attribute}, %{model}" do
+    context 'a wrong_length translation containing %{attribute}, %{model}' do
       before do
         stub_translation(
-          "activerecord.errors.messages.wrong_length",
-          "The %{attribute} of your %{model} is the wrong length (should be %{count} characters)")
+          'activerecord.errors.messages.wrong_length',
+          'The %{attribute} of your %{model} is the wrong length (should be %{count} characters)')
       end
 
-      it "does not raise an exception" do
+      it 'does not raise an exception' do
         expect {
           expect(validating_length(is: 4)).
             to validate_length_of(:attr).is_equal_to(4)

spec/unit/shoulda/matchers/active_model/validate_numericality_of_matcher_spec.rb

@@ -2022,7 +2022,7 @@ could not be proved.
     end
 
     context 'qualified with odd + is_greater_than_or_equal_to' do
-      it "describes that it allows odd numbers greater than or equal to a certain value" do
+      it 'describes that it allows odd numbers greater than or equal to a certain value' do
         matcher = validate_numericality_of(:attr).
           odd.
           is_greater_than_or_equal_to(18)

spec/unit/shoulda/matchers/active_model/validate_presence_of_matcher_spec.rb

@@ -882,16 +882,16 @@ could not be proved.
     end
   end
 
-  context "an i18n translation containing %{attribute} and %{model}" do
+  context 'an i18n translation containing %{attribute} and %{model}' do
     before do
       stub_translation(
-        "activerecord.errors.messages.blank",
-        "Please enter a %{attribute} for your %{model}")
+        'activerecord.errors.messages.blank',
+        'Please enter a %{attribute} for your %{model}')
     end
 
     after { I18n.backend.reload! }
 
-    it "does not raise an exception" do
+    it 'does not raise an exception' do
       expect {
         expect(validating_presence).to validate_presence_of(:attr)
       }.to_not raise_exception
@@ -932,15 +932,15 @@ validation exception on failure, but this could not be proved.
     end
   end
 
-  context "an attribute with a context-dependent validation" do
-    context "without the validation context" do
-      it "does not match" do
+  context 'an attribute with a context-dependent validation' do
+    context 'without the validation context' do
+      it 'does not match' do
         expect(validating_presence(on: :customisable)).not_to matcher
       end
     end
 
-    context "with the validation context" do
-      it "matches" do
+    context 'with the validation context' do
+      it 'matches' do
         expect(validating_presence(on: :customisable)).to matcher.on(:customisable)
       end
     end

spec/unit/shoulda/matchers/active_record/validate_uniqueness_of_matcher_spec.rb

@@ -895,7 +895,7 @@ within the scope of :scope1, but this could not be proved.
       end
     end
 
-    context "when an existing record that is not the first has a nil value for the scoped attribute" do
+    context 'when an existing record that is not the first has a nil value for the scoped attribute' do
       # This fails intermittently
       # it 'still works' do
         # model = define_model_validating_uniqueness(scopes: [:scope])

spec/unit/shoulda/matchers/util/word_wrap_spec.rb

@@ -1,8 +1,8 @@
 require 'spec_helper'
 require 'shoulda/matchers/util/word_wrap'
 
-describe Shoulda::Matchers, ".word_wrap" do
-  it "can wrap a simple paragraph" do
+describe Shoulda::Matchers, '.word_wrap' do
+  it 'can wrap a simple paragraph' do
     wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean luctus, ipsum sit amet efficitur feugiat
     MESSAGE
@@ -13,7 +13,7 @@ ipsum sit amet efficitur feugiat
     MESSAGE
   end
 
-  it "does not split words up when wrapping" do
+  it 'does not split words up when wrapping' do
     wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean lusciousness, ipsum sit amet efficitur feugiat
     MESSAGE
@@ -24,7 +24,7 @@ lusciousness, ipsum sit amet efficitur feugiat
     MESSAGE
   end
 
-  it "considers punctuation as part of a word" do
+  it 'considers punctuation as part of a word' do
     wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean luscious, ipsum sit amet efficitur feugiat
     MESSAGE
@@ -35,7 +35,7 @@ luscious, ipsum sit amet efficitur feugiat
     MESSAGE
   end
 
-  it "does not break at the maximum line length, but afterward" do
+  it 'does not break at the maximum line length, but afterward' do
     wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean luscius, ipsum sit amet efficitur feugiat
     MESSAGE
@@ -46,7 +46,7 @@ ipsum sit amet efficitur feugiat
     MESSAGE
   end
 
-  it "re-wraps entire paragraphs" do
+  it 're-wraps entire paragraphs' do
     wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 Lorem ipsum dolor sit amet,
 consectetur adipiscing elit.
@@ -62,7 +62,7 @@ posuere diam ex ut velit.
     MESSAGE
   end
 
-  it "can wrap multiple paragraphs" do
+  it 'can wrap multiple paragraphs' do
     wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean luctus, ipsum sit amet efficitur feugiat, dolor mauris fringilla erat, sed posuere diam ex ut velit.
 
@@ -79,7 +79,7 @@ risus, non faucibus sem.
     MESSAGE
   end
 
-  it "can wrap a bulleted list" do
+  it 'can wrap a bulleted list' do
     wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 * Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean luctus, ipsum sit amet efficitur feugiat, dolor mauris fringilla erat, sed posuere diam ex ut velit.
 * And the beat goes on.
@@ -93,7 +93,7 @@ risus, non faucibus sem.
     MESSAGE
   end
 
-  it "re-wraps bulleted lists" do
+  it 're-wraps bulleted lists' do
     wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 * Lorem ipsum dolor sit amet,
   consectetur adipiscing elit.
@@ -112,7 +112,7 @@ risus, non faucibus sem.
     MESSAGE
   end
 
-  it "can wrap a numbered list" do
+  it 'can wrap a numbered list' do
     wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 1. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean luctus, ipsum sit amet efficitur feugiat, dolor mauris fringilla erat, sed posuere diam ex ut velit.
 2. And the beat goes on.
@@ -126,7 +126,7 @@ risus, non faucibus sem.
     MESSAGE
   end
 
-  it "re-wraps numbered lists" do
+  it 're-wraps numbered lists' do
     wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 1. Lorem ipsum dolor sit amet,
    consectetur adipiscing elit.
@@ -145,7 +145,7 @@ risus, non faucibus sem.
     MESSAGE
   end
 
-  it "can wrap a numbered list, using x) instead of x. as the leader" do
+  it 'can wrap a numbered list, using x) instead of x. as the leader' do
     wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 1) Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean luctus, ipsum sit amet efficitur feugiat, dolor mauris fringilla erat, sed posuere diam ex ut velit.
 2) And the beat goes on.
@@ -159,7 +159,7 @@ risus, non faucibus sem.
     MESSAGE
   end
 
-  it "re-wraps numbered lists using x) instead of x. as the leader" do
+  it 're-wraps numbered lists using x) instead of x. as the leader' do
     wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 1) Lorem ipsum dolor sit amet,
    consectetur adipiscing elit.
@@ -196,9 +196,9 @@ And now we return.
     MESSAGE
   end
 
-  context "given a string with a word longer than the max character limit" do
-    context "which stands on its own" do
-      it "simply returns the string" do
+  context 'given a string with a word longer than the max character limit' do
+    context 'which stands on its own' do
+      it 'simply returns the string' do
         wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 Foo bar baz and stuff and things Loremipsumdolorsitamet,consecteturadipiscingelit.Aeneanluctus,ipsumsitametefficiturfeugiat,
         MESSAGE
@@ -210,8 +210,8 @@ Loremipsumdolorsitamet,consecteturadipiscingelit.Aeneanluctus,ipsumsitameteffici
       end
     end
 
-    context "which is preceded by some text" do
-      it "leaves the word on its own line" do
+    context 'which is preceded by some text' do
+      it 'leaves the word on its own line' do
         wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 Foo bar baz and stuff and things Loremipsumdolorsitamet,consecteturadipiscingelit.Aeneanluctus,ipsumsitametefficiturfeugiat,
         MESSAGE
@@ -223,8 +223,8 @@ Loremipsumdolorsitamet,consecteturadipiscingelit.Aeneanluctus,ipsumsitameteffici
       end
     end
 
-    context "which is followed by some text" do
-      it "leaves the word on its own line" do
+    context 'which is followed by some text' do
+      it 'leaves the word on its own line' do
         wrapped_message = described_class.word_wrap(<<-MESSAGE.rstrip)
 Loremipsumdolorsitamet,consecteturadipiscingelit.Aeneanluctus,ipsumsitametefficiturfeugiat, and something goes after this
         MESSAGE
@@ -237,8 +237,8 @@ and something goes after this
     end
   end
 
-  context "when :indent is given" do
-    it "uses the given indentation level when determining where to wrap lines" do
+  context 'when :indent is given' do
+    it 'uses the given indentation level when determining where to wrap lines' do
       wrapped_message = described_class.word_wrap(<<-MESSAGE.strip, indent: 2)
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean luctus, ipsum sit amet efficitur feugiat
       MESSAGE

spec/unit_spec_helper.rb

@@ -34,8 +34,8 @@ RSpec.configure do |config|
   config.include UnitTests::Matchers
 
   config.infer_spec_type_from_file_location!
-  config.example_status_persistence_file_path = "spec/examples.txt"
-  config.alias_it_behaves_like_to(:it_supports, "it supports")
+  config.example_status_persistence_file_path = 'spec/examples.txt'
+  config.alias_it_behaves_like_to(:it_supports, 'it supports')
 
   config.before(:all, type: :controller) do
     self.class.controller(ApplicationController) { }

tasks/documentation.rb

@@ -23,11 +23,11 @@ module Shoulda
           desc 'Generate docs for a particular version'
           task :generate, [:version, :latest_version] => :setup do |t, args|
             unless args.version
-              raise ArgumentError, "Missing version"
+              raise ArgumentError, 'Missing version'
             end
 
             unless args.latest_version
-              raise ArgumentError, "Missing latest_version"
+              raise ArgumentError, 'Missing latest_version'
             end
 
             publisher.generate_docs_for(args.version, latest_version: args.latest_version)
@@ -37,7 +37,7 @@ module Shoulda
           task :autogenerate do
             require 'fssm'
 
-            project_directory = File.expand_path(File.dirname(__FILE__) + "/..")
+            project_directory = File.expand_path(File.dirname(__FILE__) + '/..')
 
             regenerate_docs = proc do
               print 'Regenerating docs... '
@@ -64,11 +64,11 @@ module Shoulda
           desc 'Generate docs for a particular version and push them to GitHub'
           task :publish, [:version, :latest_version] => :setup do |t, args|
             unless args.version
-              raise ArgumentError, "Missing version"
+              raise ArgumentError, 'Missing version'
             end
 
             unless args.latest_version
-              raise ArgumentError, "Missing latest_version"
+              raise ArgumentError, 'Missing latest_version'
             end
 
             publisher.generate_docs_for(args.version, latest_version: args.latest_version)