diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 0000000..74285f4
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,188 @@
+AllCops:
+  TargetRubyVersion: 2.3
+  # RuboCop has a bunch of cops enabled by default. This setting tells RuboCop
+  # to ignore them, so only the ones explicitly set in this file are enabled.
+  DisabledByDefault: true
+  Exclude:
+    - '**/templates/**/*'
+    - '**/vendor/**/*'
+    - 'actionpack/lib/action_dispatch/journey/parser.rb'
+    - 'lib/templates/**/*'
+    - 'db/**/*'
+    - 'config/**/*'
+    - 'vendor/**/*'
+
+# Prefer &&/|| over and/or.
+Style/AndOr:
+  Enabled: true
+
+# Do not use braces for hash literals when they are the last argument of a
+# method call.
+Style/BracesAroundHashParameters:
+  Enabled: true
+  EnforcedStyle: context_dependent
+
+# Align `when` with `case`.
+Layout/CaseIndentation:
+  Enabled: true
+
+# Align comments with method definitions.
+Layout/CommentIndentation:
+  Enabled: true
+
+Layout/EmptyLineAfterMagicComment:
+  Enabled: true
+
+Layout/EmptyLinesAroundBlockBody:
+  Enabled: true
+
+# In a regular class definition, no empty lines around the body.
+Layout/EmptyLinesAroundClassBody:
+  Enabled: true
+
+# In a regular method definition, no empty lines around the body.
+Layout/EmptyLinesAroundMethodBody:
+  Enabled: true
+
+# In a regular module definition, no empty lines around the body.
+Layout/EmptyLinesAroundModuleBody:
+  Enabled: true
+
+Layout/FirstParameterIndentation:
+  Enabled: true
+
+# Use Ruby >= 1.9 syntax for hashes. Prefer { a: :b } over { :a => :b }.
+Style/HashSyntax:
+  Enabled: true
+
+# Method definitions after `private` or `protected` isolated calls need one
+# extra level of indentation.
+Layout/IndentationConsistency:
+  Enabled: true
+  EnforcedStyle: rails
+
+# Two spaces, no tabs (for indentation).
+Layout/IndentationWidth:
+  Enabled: true
+
+Layout/SpaceAfterColon:
+  Enabled: true
+
+Layout/SpaceAfterComma:
+  Enabled: true
+
+Layout/SpaceAroundEqualsInParameterDefault:
+  Enabled: true
+
+Layout/SpaceAroundKeyword:
+  Enabled: true
+
+Layout/SpaceAroundOperators:
+  Enabled: true
+
+Layout/SpaceBeforeFirstArg:
+    Enabled: true
+
+# Defining a method with parameters needs parentheses.
+Style/MethodDefParentheses:
+  Enabled: true
+
+Style/FrozenStringLiteralComment:
+  Enabled: true
+  EnforcedStyle: always
+
+# Use `foo {}` not `foo{}`.
+Layout/SpaceBeforeBlockBraces:
+  Enabled: true
+
+# Use `foo { bar }` not `foo {bar}`.
+Layout/SpaceInsideBlockBraces:
+  Enabled: true
+
+# Use `{ a: 1 }` not `{a:1}`.
+Layout/SpaceInsideHashLiteralBraces:
+  Enabled: true
+
+Layout/SpaceInsideParens:
+  Enabled: true
+
+# Check quotes usage according to lint rule below.
+Style/StringLiterals:
+  Enabled: true
+  EnforcedStyle: double_quotes
+
+# Detect hard tabs, no hard tabs.
+Layout/Tab:
+  Enabled: true
+
+# Blank lines should not have any spaces.
+Layout/TrailingBlankLines:
+  Enabled: true
+
+# No trailing whitespace.
+Layout/TrailingWhitespace:
+  Enabled: true
+
+# Use quotes for string literals when they are enough.
+Style/UnneededPercentQ:
+  Enabled: true
+
+# Align `end` with the matching keyword or starting expression except for
+# assignments, where it should be aligned with the LHS.
+Layout:
+  Enabled: true
+  EnforcedStyleAlignWith: keyword
+
+# Use my_method(my_arg) not my_method( my_arg ) or my_method my_arg.
+Lint/RequireParentheses:
+  Enabled: true
+
+# Don't warn until lines go beyond GitHub view limit
+Metrics/LineLength:
+  Enabled: false
+
+# Prefer the compact readable style
+Style/ClassAndModuleChildren:
+  EnforcedStyle: compact
+
+Style/FormatStringToken:
+  EnforcedStyle: template
+
+# Disable top-level documentation
+Documentation:
+  Enabled: false
+
+Metrics/MethodLength:
+  Enabled: false
+
+Metrics/CyclomaticComplexity:
+  Enabled: false
+
+Metrics/PerceivedComplexity:
+  Enabled: false
+
+Metrics/AbcSize:
+  Enabled: false
+
+Metrics/ParameterLists:
+  CountKeywordArgs: false
+
+Style/RescueStandardError:
+  Enabled: false
+
+Metrics/ModuleLength:
+  Enabled: false
+
+Metrics/BlockLength:
+  Enabled: false
+
+Naming/AccessorMethodName:
+  Enabled: false
+
+Metrics/ClassLength:
+  Enabled: false
+
+Style/GuardClause:
+  Enabled: false
+
+# Ignore templates
diff --git a/Gemfile b/Gemfile
index c55b781..35c4f0f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
-source 'http://rubygems.org'
-source 'http://rails-assets.org'
+
+source "http://rubygems.org"
+source "http://rails-assets.org"
 
 # Declare your gem's dependencies in abraham.gemspec.
 # Bundler will treat runtime dependencies like base dependencies, and
@@ -9,9 +10,9 @@ gemspec
 
 # These rails-assets dependencies need to be added to the developer's Gemfile
 # since there's no way to specify a source in the gemspec.
-source 'http://rails-assets.org' do
-  gem 'rails-assets-shepherd.js', '~> 1.8'
-  gem 'rails-assets-js-cookie', '~> 2.1'
+source "http://rails-assets.org" do
+  gem "rails-assets-js-cookie", "~> 2.1"
+  gem "rails-assets-shepherd.js", "~> 1.8"
 end
 
 # Declare any dependencies that are still in development here instead of in
@@ -23,4 +24,4 @@ end
 # gem 'byebug', group: [:development, :test]
 
 # Avoid the 'multiple sources' confusion
-gem 'rails-assets-tether', :source => 'http://rails-assets.org/'
+gem "rails-assets-tether", source: "http://rails-assets.org/"
diff --git a/Gemfile.lock b/Gemfile.lock
index 44061ad..b336379 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (7.1.4)
-    ast (2.3.0)
+    ast (2.4.0)
     builder (3.2.3)
     concurrent-ruby (1.0.5)
     crass (1.0.4)
@@ -60,6 +60,7 @@ GEM
       activesupport (>= 4.2.0)
     i18n (1.0.1)
       concurrent-ruby (~> 1.0)
+    jaro_winkler (1.5.1)
     jquery-rails (4.3.3)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
@@ -76,9 +77,10 @@ GEM
     nio4r (2.3.1)
     nokogiri (1.8.2)
       mini_portile2 (~> 2.3.0)
-    parser (2.3.2.0)
-      ast (~> 2.2)
-    powerpack (0.1.1)
+    parallel (1.12.1)
+    parser (2.5.1.2)
+      ast (~> 2.4.0)
+    powerpack (0.1.2)
     rack (2.0.5)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -109,18 +111,20 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rainbow (2.1.0)
+    rainbow (3.0.0)
     rake (12.3.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    rubocop (0.45.0)
-      parser (>= 2.3.1.1, < 3.0)
+    rubocop (0.59.2)
+      jaro_winkler (~> 1.5.1)
+      parallel (~> 1.10)
+      parser (>= 2.5, != 2.5.1.1)
       powerpack (~> 0.1)
-      rainbow (>= 1.99.1, < 3.0)
+      rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
-    ruby-progressbar (1.8.1)
+    ruby-progressbar (1.10.0)
     sass (3.5.6)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
@@ -132,7 +136,7 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    sprockets (3.7.1)
+    sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.1)
@@ -145,7 +149,7 @@ GEM
     tilt (2.0.8)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    unicode-display_width (1.1.1)
+    unicode-display_width (1.4.0)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.3)
@@ -162,4 +166,4 @@ DEPENDENCIES
   sqlite3
 
 BUNDLED WITH
-   1.16.1
+   1.16.5
diff --git a/Rakefile b/Rakefile
index 0ca2ff1..1ad7a1e 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,33 +1,34 @@
 # frozen_string_literal: true
+
 begin
-  require 'bundler/setup'
+  require "bundler/setup"
 rescue LoadError
-  puts 'You must `gem install bundler` and `bundle install` to run rake tasks'
+  puts "You must `gem install bundler` and `bundle install` to run rake tasks"
 end
 
-require 'rdoc/task'
+require "rdoc/task"
 
 RDoc::Task.new(:rdoc) do |rdoc|
-  rdoc.rdoc_dir = 'rdoc'
-  rdoc.title    = 'Abraham'
-  rdoc.options << '--line-numbers'
-  rdoc.rdoc_files.include('README.md')
-  rdoc.rdoc_files.include('lib/**/*.rb')
+  rdoc.rdoc_dir = "rdoc"
+  rdoc.title    = "Abraham"
+  rdoc.options << "--line-numbers"
+  rdoc.rdoc_files.include("README.md")
+  rdoc.rdoc_files.include("lib/**/*.rb")
 end
 
-APP_RAKEFILE = File.expand_path('../test/dummy/Rakefile', __FILE__)
-load 'rails/tasks/engine.rake'
+APP_RAKEFILE = File.expand_path("test/dummy/Rakefile", __dir__)
+load "rails/tasks/engine.rake"
 
-load 'rails/tasks/statistics.rake'
+load "rails/tasks/statistics.rake"
 
-require 'bundler/gem_tasks'
+require "bundler/gem_tasks"
 
-require 'rake/testtask'
+require "rake/testtask"
 
 Rake::TestTask.new(:test) do |t|
-  t.libs << 'lib'
-  t.libs << 'test'
-  t.pattern = 'test/**/*_test.rb'
+  t.libs << "lib"
+  t.libs << "test"
+  t.pattern = "test/**/*_test.rb"
   t.verbose = false
 end
 
diff --git a/abraham.gemspec b/abraham.gemspec
index 3efe8da..d1c275b 100644
--- a/abraham.gemspec
+++ b/abraham.gemspec
@@ -1,28 +1,29 @@
 # frozen_string_literal: true
-$LOAD_PATH.push File.expand_path('../lib', __FILE__)
+
+$LOAD_PATH.push File.expand_path("lib", __dir__)
 
 # Maintain your gem's version:
-require 'abraham/version'
+require "abraham/version"
 
 # Describe your gem and declare its dependencies:
 Gem::Specification.new do |s|
-  s.name        = 'abraham'
+  s.name        = "abraham"
   s.version     = Abraham::VERSION
-  s.authors     = ['Jonathan Abbett']
-  s.email       = ['jonathan@act.md']
-  s.homepage    = 'https://github.com/actmd/abraham'
-  s.summary     = 'Trackable application tours for Rails with i18n support, based on Shepherd.js.'
-  s.description = 'Trackable application tours for Rails with i18n support, based on Shepherd.js.'
-  s.license     = 'MIT'
+  s.authors     = ["Jonathan Abbett"]
+  s.email       = ["jonathan@act.md"]
+  s.homepage    = "https://github.com/actmd/abraham"
+  s.summary     = "Trackable application tours for Rails with i18n support, based on Shepherd.js."
+  s.description = "Trackable application tours for Rails with i18n support, based on Shepherd.js."
+  s.license     = "MIT"
 
-  s.files = Dir['{app,config,db,lib}/**/*', 'MIT-LICENSE', 'Rakefile', 'README.md']
+  s.files = Dir["{app,config,db,lib}/**/*", "MIT-LICENSE", "Rakefile", "README.md"]
 
-  s.add_dependency 'rails', '~> 5.0', '>= 5.0.0.1'
-  s.add_dependency 'sass-rails', '~> 5.0'
-  s.add_dependency 'jquery-rails'
-  s.add_dependency 'rails-assets-shepherd.js', '~> 1.8'
-  s.add_dependency 'rails-assets-js-cookie', '~> 2.1'
+  s.add_dependency "jquery-rails"
+  s.add_dependency "rails", "~> 5.0", ">= 5.0.0.1"
+  s.add_dependency "rails-assets-js-cookie", "~> 2.1"
+  s.add_dependency "rails-assets-shepherd.js", "~> 1.8"
+  s.add_dependency "sass-rails", "~> 5.0"
 
-  s.add_development_dependency 'sqlite3'
-  s.add_development_dependency 'rubocop'
+  s.add_development_dependency "rubocop"
+  s.add_development_dependency "sqlite3"
 end
diff --git a/app/controllers/abraham_histories_controller.rb b/app/controllers/abraham_histories_controller.rb
index d22446a..49fffe1 100644
--- a/app/controllers/abraham_histories_controller.rb
+++ b/app/controllers/abraham_histories_controller.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 class AbrahamHistoriesController < ApplicationController
   def create
     @abraham_history = AbrahamHistory.new(abraham_history_params)
@@ -14,8 +15,8 @@ class AbrahamHistoriesController < ApplicationController
 
   private
 
-  # Never trust parameters from the scary internet, only allow the white list through.
-  def abraham_history_params
-    params.require(:abraham_history).permit(:controller_name, :action_name, :tour_name)
-  end
+    # Never trust parameters from the scary internet, only allow the white list through.
+    def abraham_history_params
+      params.require(:abraham_history).permit(:controller_name, :action_name, :tour_name)
+    end
 end
diff --git a/app/helpers/abraham_helper.rb b/app/helpers/abraham_helper.rb
index 4cd4b88..4456e5b 100644
--- a/app/helpers/abraham_helper.rb
+++ b/app/helpers/abraham_helper.rb
@@ -1,13 +1,11 @@
 # frozen_string_literal: true
+
 module AbrahamHelper
   def abraham_tour
     # Do we have tours for this controller/action in the user's locale?
     tours = Rails.configuration.abraham.tours["#{controller_name}.#{action_name}.#{I18n.locale}"]
 
-    unless tours
-      # How about the default locale?
-      tours = Rails.configuration.abraham.tours["#{controller_name}.#{action_name}.#{I18n.default_locale}"]
-    end
+    tours ||= Rails.configuration.abraham.tours["#{controller_name}.#{action_name}.#{I18n.default_locale}"]
 
     if tours
       completed = AbrahamHistory.where(
@@ -19,9 +17,9 @@ module AbrahamHelper
 
       if remaining.any?
         # Generate the javascript snippet for the next remaining tour
-        render(partial: 'application/abraham',
+        render(partial: "application/abraham",
                locals: { tour_name: remaining.first,
-                         steps: tours[remaining.first]['steps'] })
+                         steps: tours[remaining.first]["steps"] })
       end
     end
   end
diff --git a/app/models/abraham_history.rb b/app/models/abraham_history.rb
index 7db45f9..b400a14 100644
--- a/app/models/abraham_history.rb
+++ b/app/models/abraham_history.rb
@@ -1,3 +1,4 @@
 # frozen_string_literal: true
+
 class AbrahamHistory < ActiveRecord::Base
 end
diff --git a/app/models/application_record.rb b/app/models/application_record.rb
index 767a072..71fbba5 100644
--- a/app/models/application_record.rb
+++ b/app/models/application_record.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 class ApplicationRecord < ActiveRecord::Base
   self.abstract_class = true
 end
diff --git a/bin/rails b/bin/rails
index 4824017..70f3634 100755
--- a/bin/rails
+++ b/bin/rails
@@ -1,14 +1,15 @@
 #!/usr/bin/env ruby
 # frozen_string_literal: true
+
 # This command will automatically be run when you run "rails" with Rails gems
 # installed from the root of your application.
 
-ENGINE_ROOT = File.expand_path('../..', __FILE__)
-ENGINE_PATH = File.expand_path('../../lib/abraham/engine', __FILE__)
+ENGINE_ROOT = File.expand_path("..", __dir__)
+ENGINE_PATH = File.expand_path("../lib/abraham/engine", __dir__)
 
 # Set up gems listed in the Gemfile.
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
-require 'bundler/setup' if File.exist?(ENV['BUNDLE_GEMFILE'])
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
+require "bundler/setup" if File.exist?(ENV["BUNDLE_GEMFILE"])
 
-require 'rails/all'
-require 'rails/engine/commands'
+require "rails/all"
+require "rails/engine/commands"
diff --git a/config/routes.rb b/config/routes.rb
index 773d296..bda83df 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 Rails.application.routes.draw do
   resources :abraham_histories, only: :create
 end
diff --git a/lib/abraham.rb b/lib/abraham.rb
index d4213bf..d413b79 100644
--- a/lib/abraham.rb
+++ b/lib/abraham.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
-require 'abraham/engine'
+
+require "abraham/engine"
 
 module Abraham
 end
diff --git a/lib/abraham/engine.rb b/lib/abraham/engine.rb
index 7273ae4..4daedda 100644
--- a/lib/abraham/engine.rb
+++ b/lib/abraham/engine.rb
@@ -1,10 +1,11 @@
 # frozen_string_literal: true
-require 'rubygems'
+
+require "rubygems"
 
 module Abraham
   class Engine < ::Rails::Engine
-    require 'rails-assets-shepherd.js'
-    require 'jquery-rails'
-    require 'rails-assets-js-cookie'
+    require "rails-assets-shepherd.js"
+    require "jquery-rails"
+    require "rails-assets-js-cookie"
   end
 end
diff --git a/lib/abraham/version.rb b/lib/abraham/version.rb
index 7d49053..e52c405 100644
--- a/lib/abraham/version.rb
+++ b/lib/abraham/version.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module Abraham
-  VERSION = '1.3'
+  VERSION = "1.3"
 end
diff --git a/lib/generators/abraham/install_generator.rb b/lib/generators/abraham/install_generator.rb
index 570471d..323f759 100644
--- a/lib/generators/abraham/install_generator.rb
+++ b/lib/generators/abraham/install_generator.rb
@@ -1,27 +1,30 @@
 # frozen_string_literal: true
-require 'rails/generators'
-require 'rails/generators/active_record'
+
+require "rails/generators"
+require "rails/generators/active_record"
 
 module Abraham
   module Generators
     class InstallGenerator < ActiveRecord::Generators::Base
-      argument :name, type: :string, default: 'random_name'
+      argument :name, type: :string, default: "random_name"
 
       class_option :'skip-migration', type: :boolean, desc: "Don't generate a migration for the histories table"
       class_option :'skip-initializer', type: :boolean, desc: "Don't generate an initializer"
 
-      source_root File.expand_path(File.join(File.dirname(__FILE__), 'templates'))
+      source_root File.expand_path(File.join(File.dirname(__FILE__), "templates"))
 
       # Copies the migration template to db/migrate.
       def copy_files
-        return if options['skip-migration']
-        migration_template 'migration.rb', 'db/migrate/create_abraham_histories.rb'
+        return if options["skip-migration"]
+
+        migration_template "migration.rb", "db/migrate/create_abraham_histories.rb"
       end
 
       def create_initializer
-        return if options['skip-initializer']
-        copy_file 'initializer.rb', 'config/initializers/abraham.rb'
-        copy_file 'abraham.yml', 'config/abraham.yml'
+        return if options["skip-initializer"]
+
+        copy_file "initializer.rb", "config/initializers/abraham.rb"
+        copy_file "abraham.yml", "config/abraham.yml"
       end
     end
   end
diff --git a/lib/generators/abraham/templates/initializer.rb b/lib/generators/abraham/templates/initializer.rb
index c3fc522..d0dcf30 100644
--- a/lib/generators/abraham/templates/initializer.rb
+++ b/lib/generators/abraham/templates/initializer.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 Rails.application.configure do
   tours = {}
 
diff --git a/lib/generators/abraham/templates/migration.rb b/lib/generators/abraham/templates/migration.rb
index 295ebdd..ad7d5b0 100644
--- a/lib/generators/abraham/templates/migration.rb
+++ b/lib/generators/abraham/templates/migration.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 class CreateAbrahamHistories < ActiveRecord::Migration[5.0]
   def change
     create_table :abraham_histories do |t|
diff --git a/test/abraham_test.rb b/test/abraham_test.rb
index 845f33e..7cf3ba4 100644
--- a/test/abraham_test.rb
+++ b/test/abraham_test.rb
@@ -1,8 +1,9 @@
 # frozen_string_literal: true
-require 'test_helper'
+
+require "test_helper"
 
 class Abraham::Test < ActiveSupport::TestCase
-  test 'truth' do
+  test "truth" do
     assert_kind_of Module, Abraham
   end
 end
diff --git a/test/dummy/Rakefile b/test/dummy/Rakefile
index 84f2bc3..d2a78aa 100644
--- a/test/dummy/Rakefile
+++ b/test/dummy/Rakefile
@@ -1,7 +1,8 @@
 # frozen_string_literal: true
+
 # Add your own tasks in files placed in lib/tasks ending in .rake,
 # for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
 
-require_relative 'config/application'
+require_relative "config/application"
 
 Rails.application.load_tasks
diff --git a/test/dummy/app/channels/application_cable/channel.rb b/test/dummy/app/channels/application_cable/channel.rb
index 51e3e93..9aec230 100644
--- a/test/dummy/app/channels/application_cable/channel.rb
+++ b/test/dummy/app/channels/application_cable/channel.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module ApplicationCable
   class Channel < ActionCable::Channel::Base
   end
diff --git a/test/dummy/app/channels/application_cable/connection.rb b/test/dummy/app/channels/application_cable/connection.rb
index fa70319..8d6c2a1 100644
--- a/test/dummy/app/channels/application_cable/connection.rb
+++ b/test/dummy/app/channels/application_cable/connection.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 module ApplicationCable
   class Connection < ActionCable::Connection::Base
   end
diff --git a/test/dummy/app/controllers/application_controller.rb b/test/dummy/app/controllers/application_controller.rb
index 5acba08..b3b8e0c 100644
--- a/test/dummy/app/controllers/application_controller.rb
+++ b/test/dummy/app/controllers/application_controller.rb
@@ -1,9 +1,10 @@
 # frozen_string_literal: true
+
 class ApplicationController < ActionController::Base
   protect_from_forgery with: :exception
   helper_method :current_user
 
   def current_user
-    OpenStruct.new(id: Random.rand(1..99999))
+    OpenStruct.new(id: Random.rand(1..99_999))
   end
 end
diff --git a/test/dummy/app/controllers/dashboard_controller.rb b/test/dummy/app/controllers/dashboard_controller.rb
index 9c70ebc..aa4389d 100644
--- a/test/dummy/app/controllers/dashboard_controller.rb
+++ b/test/dummy/app/controllers/dashboard_controller.rb
@@ -1,8 +1,7 @@
 # frozen_string_literal: true
-class DashboardController < ApplicationController
-  def home
-  end
 
-  def other
-  end
+class DashboardController < ApplicationController
+  def home; end
+
+  def other; end
 end
diff --git a/test/dummy/app/helpers/application_helper.rb b/test/dummy/app/helpers/application_helper.rb
index 71249b9..15b06f0 100644
--- a/test/dummy/app/helpers/application_helper.rb
+++ b/test/dummy/app/helpers/application_helper.rb
@@ -1,3 +1,4 @@
 # frozen_string_literal: true
+
 module ApplicationHelper
 end
diff --git a/test/dummy/app/helpers/dashboard_helper.rb b/test/dummy/app/helpers/dashboard_helper.rb
index 79ce46b..d18930d 100644
--- a/test/dummy/app/helpers/dashboard_helper.rb
+++ b/test/dummy/app/helpers/dashboard_helper.rb
@@ -1,3 +1,4 @@
 # frozen_string_literal: true
+
 module DashboardHelper
 end
diff --git a/test/dummy/app/jobs/application_job.rb b/test/dummy/app/jobs/application_job.rb
index 32fe70b..d92ffdd 100644
--- a/test/dummy/app/jobs/application_job.rb
+++ b/test/dummy/app/jobs/application_job.rb
@@ -1,3 +1,4 @@
 # frozen_string_literal: true
+
 class ApplicationJob < ActiveJob::Base
 end
diff --git a/test/dummy/app/mailers/application_mailer.rb b/test/dummy/app/mailers/application_mailer.rb
index 2428900..5cc63a0 100644
--- a/test/dummy/app/mailers/application_mailer.rb
+++ b/test/dummy/app/mailers/application_mailer.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
+
 class ApplicationMailer < ActionMailer::Base
-  default from: 'from@example.com'
-  layout 'mailer'
+  default from: "from@example.com"
+  layout "mailer"
 end
diff --git a/test/dummy/app/models/application_record.rb b/test/dummy/app/models/application_record.rb
index 767a072..71fbba5 100644
--- a/test/dummy/app/models/application_record.rb
+++ b/test/dummy/app/models/application_record.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 class ApplicationRecord < ActiveRecord::Base
   self.abstract_class = true
 end
diff --git a/test/dummy/bin/bundle b/test/dummy/bin/bundle
index 86f3466..5015ba6 100755
--- a/test/dummy/bin/bundle
+++ b/test/dummy/bin/bundle
@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
 # frozen_string_literal: true
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
-load Gem.bin_path('bundler', 'bundle')
+
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
+load Gem.bin_path("bundler", "bundle")
diff --git a/test/dummy/bin/rails b/test/dummy/bin/rails
index dd027b4..22f2d8d 100755
--- a/test/dummy/bin/rails
+++ b/test/dummy/bin/rails
@@ -1,5 +1,6 @@
 #!/usr/bin/env ruby
 # frozen_string_literal: true
-APP_PATH = File.expand_path('../config/application', __dir__)
-require_relative '../config/boot'
-require 'rails/commands'
+
+APP_PATH = File.expand_path("../config/application", __dir__)
+require_relative "../config/boot"
+require "rails/commands"
diff --git a/test/dummy/bin/rake b/test/dummy/bin/rake
index 609af74..e436ea5 100755
--- a/test/dummy/bin/rake
+++ b/test/dummy/bin/rake
@@ -1,5 +1,6 @@
 #!/usr/bin/env ruby
 # frozen_string_literal: true
-require_relative '../config/boot'
-require 'rake'
+
+require_relative "../config/boot"
+require "rake"
 Rake.application.run
diff --git a/test/dummy/bin/setup b/test/dummy/bin/setup
index ffca742..e413f40 100755
--- a/test/dummy/bin/setup
+++ b/test/dummy/bin/setup
@@ -1,11 +1,12 @@
 #!/usr/bin/env ruby
 # frozen_string_literal: true
-require 'pathname'
-require 'fileutils'
+
+require "pathname"
+require "fileutils"
 include FileUtils
 
 # path to your application root.
-APP_ROOT = Pathname.new File.expand_path('../../', __FILE__)
+APP_ROOT = Pathname.new File.expand_path("..", __dir__)
 
 def system!(*args)
   system(*args) || abort("\n== Command #{args} failed ==")
@@ -15,9 +16,9 @@ chdir APP_ROOT do
   # This script is a starting point to setup your application.
   # Add necessary setup steps to this file.
 
-  puts '== Installing dependencies =='
-  system! 'gem install bundler --conservative'
-  system('bundle check') || system!('bundle install')
+  puts "== Installing dependencies =="
+  system! "gem install bundler --conservative"
+  system("bundle check") || system!("bundle install")
 
   # puts "\n== Copying sample files =="
   # unless File.exist?('config/database.yml')
@@ -25,11 +26,11 @@ chdir APP_ROOT do
   # end
 
   puts "\n== Preparing database =="
-  system! 'bin/rails db:setup'
+  system! "bin/rails db:setup"
 
   puts "\n== Removing old logs and tempfiles =="
-  system! 'bin/rails log:clear tmp:clear'
+  system! "bin/rails log:clear tmp:clear"
 
   puts "\n== Restarting application server =="
-  system! 'bin/rails restart'
+  system! "bin/rails restart"
 end
diff --git a/test/dummy/bin/update b/test/dummy/bin/update
index 3f81e54..998dede 100755
--- a/test/dummy/bin/update
+++ b/test/dummy/bin/update
@@ -1,11 +1,12 @@
 #!/usr/bin/env ruby
 # frozen_string_literal: true
-require 'pathname'
-require 'fileutils'
+
+require "pathname"
+require "fileutils"
 include FileUtils
 
 # path to your application root.
-APP_ROOT = Pathname.new File.expand_path('../../', __FILE__)
+APP_ROOT = Pathname.new File.expand_path("..", __dir__)
 
 def system!(*args)
   system(*args) || abort("\n== Command #{args} failed ==")
@@ -15,16 +16,16 @@ chdir APP_ROOT do
   # This script is a way to update your development environment automatically.
   # Add necessary update steps to this file.
 
-  puts '== Installing dependencies =='
-  system! 'gem install bundler --conservative'
-  system('bundle check') || system!('bundle install')
+  puts "== Installing dependencies =="
+  system! "gem install bundler --conservative"
+  system("bundle check") || system!("bundle install")
 
   puts "\n== Updating database =="
-  system! 'bin/rails db:migrate'
+  system! "bin/rails db:migrate"
 
   puts "\n== Removing old logs and tempfiles =="
-  system! 'bin/rails log:clear tmp:clear'
+  system! "bin/rails log:clear tmp:clear"
 
   puts "\n== Restarting application server =="
-  system! 'bin/rails restart'
+  system! "bin/rails restart"
 end
diff --git a/test/dummy/config.ru b/test/dummy/config.ru
index 7eae264..bff88d6 100644
--- a/test/dummy/config.ru
+++ b/test/dummy/config.ru
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
+
 # This file is used by Rack-based servers to start the application.
 
-require_relative 'config/environment'
+require_relative "config/environment"
 
 run Rails.application
diff --git a/test/dummy/config/application.rb b/test/dummy/config/application.rb
index 6b3a2da..88c8809 100644
--- a/test/dummy/config/application.rb
+++ b/test/dummy/config/application.rb
@@ -1,10 +1,11 @@
 # frozen_string_literal: true
-require_relative 'boot'
 
-require 'rails/all'
+require_relative "boot"
+
+require "rails/all"
 
 Bundler.require(*Rails.groups)
-require 'abraham'
+require "abraham"
 
 module Dummy
   class Application < Rails::Application
diff --git a/test/dummy/config/boot.rb b/test/dummy/config/boot.rb
index c90021f..59459d4 100644
--- a/test/dummy/config/boot.rb
+++ b/test/dummy/config/boot.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
-# Set up gems listed in the Gemfile.
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../../Gemfile', __dir__)
 
-require 'bundler/setup' if File.exist?(ENV['BUNDLE_GEMFILE'])
-$LOAD_PATH.unshift File.expand_path('../../../lib', __dir__)
+# Set up gems listed in the Gemfile.
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../../Gemfile", __dir__)
+
+require "bundler/setup" if File.exist?(ENV["BUNDLE_GEMFILE"])
+$LOAD_PATH.unshift File.expand_path("../../../lib", __dir__)
diff --git a/test/dummy/config/environment.rb b/test/dummy/config/environment.rb
index 12ea62f..7df99e8 100644
--- a/test/dummy/config/environment.rb
+++ b/test/dummy/config/environment.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
+
 # Load the Rails application.
-require_relative 'application'
+require_relative "application"
 
 # Initialize the Rails application.
 Rails.application.initialize!
diff --git a/test/dummy/config/environments/development.rb b/test/dummy/config/environments/development.rb
index 8f4ad21..a296f8b 100644
--- a/test/dummy/config/environments/development.rb
+++ b/test/dummy/config/environments/development.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
@@ -14,12 +15,12 @@ Rails.application.configure do
   config.consider_all_requests_local = true
 
   # Enable/disable caching. By default caching is disabled.
-  if Rails.root.join('tmp/caching-dev.txt').exist?
+  if Rails.root.join("tmp/caching-dev.txt").exist?
     config.action_controller.perform_caching = true
 
     config.cache_store = :memory_store
     config.public_file_server.headers = {
-      'Cache-Control' => 'public, max-age=172800'
+      "Cache-Control" => "public, max-age=172800"
     }
   else
     config.action_controller.perform_caching = false
diff --git a/test/dummy/config/environments/production.rb b/test/dummy/config/environments/production.rb
index cbdb208..d1ac5cd 100644
--- a/test/dummy/config/environments/production.rb
+++ b/test/dummy/config/environments/production.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
@@ -17,7 +18,7 @@ Rails.application.configure do
 
   # Disable serving static files from the `/public` folder by default since
   # Apache or NGINX already handles this.
-  config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?
+  config.public_file_server.enabled = ENV["RAILS_SERVE_STATIC_FILES"].present?
 
   # Compress JavaScripts and CSS.
   config.assets.js_compressor = :uglifier
@@ -76,7 +77,7 @@ Rails.application.configure do
   # require 'syslog/logger'
   # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new 'app-name')
 
-  if ENV['RAILS_LOG_TO_STDOUT'].present?
+  if ENV["RAILS_LOG_TO_STDOUT"].present?
     logger           = ActiveSupport::Logger.new(STDOUT)
     logger.formatter = config.log_formatter
     config.logger = ActiveSupport::TaggedLogging.new(logger)
diff --git a/test/dummy/config/environments/test.rb b/test/dummy/config/environments/test.rb
index 416a71c..f88be04 100644
--- a/test/dummy/config/environments/test.rb
+++ b/test/dummy/config/environments/test.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
@@ -16,7 +17,7 @@ Rails.application.configure do
   # Configure public file server for tests with Cache-Control for performance.
   config.public_file_server.enabled = true
   config.public_file_server.headers = {
-    'Cache-Control' => 'public, max-age=3600'
+    "Cache-Control" => "public, max-age=3600"
   }
 
   # Show full error reports and disable caching.
diff --git a/test/dummy/config/initializers/abraham.rb b/test/dummy/config/initializers/abraham.rb
index c3fc522..45344f5 100644
--- a/test/dummy/config/initializers/abraham.rb
+++ b/test/dummy/config/initializers/abraham.rb
@@ -1,13 +1,14 @@
 # frozen_string_literal: true
+
 Rails.application.configure do
   tours = {}
 
-  if Rails.root.join('config/tours').exist?
-    Dir[Rails.root.join('config/tours/*/')].each do |dir|
-      Dir[dir + '*.yml'].each do |yml|
+  if Rails.root.join("config/tours").exist?
+    Dir[Rails.root.join("config/tours/*/")].each do |dir|
+      Dir[dir + "*.yml"].each do |yml|
         path_parts = yml.split(File::SEPARATOR)
         controller = path_parts[path_parts.size - 2]
-        file_parts = path_parts[path_parts.size - 1].split('.')
+        file_parts = path_parts[path_parts.size - 1].split(".")
         action = file_parts[0]
         locale = file_parts[1]
         t = YAML.load_file(yml)
diff --git a/test/dummy/config/initializers/assets.rb b/test/dummy/config/initializers/assets.rb
index 9287bcd..1be14d3 100644
--- a/test/dummy/config/initializers/assets.rb
+++ b/test/dummy/config/initializers/assets.rb
@@ -1,8 +1,9 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # Version of your assets, change this if you want to expire all your assets.
-Rails.application.config.assets.version = '1.0'
+Rails.application.config.assets.version = "1.0"
 
 # Add additional assets to the asset load path
 # Rails.application.config.assets.paths << Emoji.images_path
diff --git a/test/dummy/config/initializers/cookies_serializer.rb b/test/dummy/config/initializers/cookies_serializer.rb
index 2a72959..ee8dff9 100644
--- a/test/dummy/config/initializers/cookies_serializer.rb
+++ b/test/dummy/config/initializers/cookies_serializer.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # Specify a serializer for the signed and encrypted cookie jars.
diff --git a/test/dummy/config/initializers/filter_parameter_logging.rb b/test/dummy/config/initializers/filter_parameter_logging.rb
index b7fe123..7a4f47b 100644
--- a/test/dummy/config/initializers/filter_parameter_logging.rb
+++ b/test/dummy/config/initializers/filter_parameter_logging.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # Configure sensitive parameters which will be filtered from the log file.
diff --git a/test/dummy/config/initializers/new_framework_defaults.rb b/test/dummy/config/initializers/new_framework_defaults.rb
index d3c12d7..69b31ed 100644
--- a/test/dummy/config/initializers/new_framework_defaults.rb
+++ b/test/dummy/config/initializers/new_framework_defaults.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 #
 # This file contains migration options to ease your Rails 5.0 upgrade.
diff --git a/test/dummy/config/initializers/session_store.rb b/test/dummy/config/initializers/session_store.rb
index fcc1c91..606745f 100644
--- a/test/dummy/config/initializers/session_store.rb
+++ b/test/dummy/config/initializers/session_store.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
-Rails.application.config.session_store :cookie_store, key: '_dummy_session'
+Rails.application.config.session_store :cookie_store, key: "_dummy_session"
diff --git a/test/dummy/config/initializers/wrap_parameters.rb b/test/dummy/config/initializers/wrap_parameters.rb
index 18c3825..2f3c0db 100644
--- a/test/dummy/config/initializers/wrap_parameters.rb
+++ b/test/dummy/config/initializers/wrap_parameters.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # Be sure to restart your server when you modify this file.
 
 # This file contains settings for ActionController::ParamsWrapper which
diff --git a/test/dummy/config/puma.rb b/test/dummy/config/puma.rb
index da41eff..991c3a6 100644
--- a/test/dummy/config/puma.rb
+++ b/test/dummy/config/puma.rb
@@ -1,20 +1,21 @@
 # frozen_string_literal: true
+
 # Puma can serve each request in a thread from an internal thread pool.
 # The `threads` method setting takes two numbers a minimum and maximum.
 # Any libraries that use thread pools should be configured to match
 # the maximum value specified for Puma. Default is set to 5 threads for minimum
 # and maximum, this matches the default thread size of Active Record.
 #
-threads_count = ENV.fetch('RAILS_MAX_THREADS') { 5 }.to_i
+threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }.to_i
 threads threads_count, threads_count
 
 # Specifies the `port` that Puma will listen on to receive requests, default is 3000.
 #
-port        ENV.fetch('PORT') { 3000 }
+port        ENV.fetch("PORT") { 3000 }
 
 # Specifies the `environment` that Puma will run in.
 #
-environment ENV.fetch('RAILS_ENV') { 'development' }
+environment ENV.fetch("RAILS_ENV") { "development" }
 
 # Specifies the number of `workers` to boot in clustered mode.
 # Workers are forked webserver processes. If using threads and workers together
diff --git a/test/dummy/config/routes.rb b/test/dummy/config/routes.rb
index 40e2c71..c88d17c 100644
--- a/test/dummy/config/routes.rb
+++ b/test/dummy/config/routes.rb
@@ -1,8 +1,9 @@
 # frozen_string_literal: true
-Rails.application.routes.draw do
-  get 'dashboard/home'
 
-  get 'dashboard/other'
+Rails.application.routes.draw do
+  get "dashboard/home"
+
+  get "dashboard/other"
 
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
 end
diff --git a/test/dummy/config/spring.rb b/test/dummy/config/spring.rb
index 312295f..c5933e4 100644
--- a/test/dummy/config/spring.rb
+++ b/test/dummy/config/spring.rb
@@ -1,7 +1,8 @@
 # frozen_string_literal: true
-%w(
+
+%w[
   .ruby-version
   .rbenv-vars
   tmp/restart.txt
   tmp/caching-dev.txt
-).each { |path| Spring.watch(path) }
+].each { |path| Spring.watch(path) }
diff --git a/test/dummy/db/migrate/20161118143752_create_abraham_histories.rb b/test/dummy/db/migrate/20161118143752_create_abraham_histories.rb
index 295ebdd..ad7d5b0 100644
--- a/test/dummy/db/migrate/20161118143752_create_abraham_histories.rb
+++ b/test/dummy/db/migrate/20161118143752_create_abraham_histories.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 class CreateAbrahamHistories < ActiveRecord::Migration[5.0]
   def change
     create_table :abraham_histories do |t|
diff --git a/test/dummy/db/schema.rb b/test/dummy/db/schema.rb
index 17fe716..c9d35d4 100644
--- a/test/dummy/db/schema.rb
+++ b/test/dummy/db/schema.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 # This file is auto-generated from the current state of the database. Instead
 # of editing this file, please use the migrations feature of Active Record to
 # incrementally modify your database, and then regenerate this schema definition.
@@ -12,15 +13,15 @@
 # It's strongly recommended that you check this file into your version control system.
 
 ActiveRecord::Schema.define(version: 20_161_118_143_752) do
-  create_table 'abraham_histories', force: :cascade do |t|
-    t.string   'controller_name'
-    t.string   'action_name'
-    t.string   'tour_name'
-    t.integer  'creator_id',      null: false
-    t.datetime 'created_at',      null: false
-    t.datetime 'updated_at',      null: false
-    t.index ['created_at'], name: 'index_abraham_histories_on_created_at'
-    t.index ['creator_id'], name: 'index_abraham_histories_on_creator_id'
-    t.index ['updated_at'], name: 'index_abraham_histories_on_updated_at'
+  create_table "abraham_histories", force: :cascade do |t|
+    t.string   "controller_name"
+    t.string   "action_name"
+    t.string   "tour_name"
+    t.integer  "creator_id",      null: false
+    t.datetime "created_at",      null: false
+    t.datetime "updated_at",      null: false
+    t.index ["created_at"], name: "index_abraham_histories_on_created_at"
+    t.index ["creator_id"], name: "index_abraham_histories_on_creator_id"
+    t.index ["updated_at"], name: "index_abraham_histories_on_updated_at"
   end
 end
diff --git a/test/dummy/test/controllers/abraham_histories_controller_test.rb b/test/dummy/test/controllers/abraham_histories_controller_test.rb
index 26ace95..1b1b374 100644
--- a/test/dummy/test/controllers/abraham_histories_controller_test.rb
+++ b/test/dummy/test/controllers/abraham_histories_controller_test.rb
@@ -1,10 +1,11 @@
 # frozen_string_literal: true
-require 'test_helper'
+
+require "test_helper"
 
 class AbrahamHistoriesControllerTest < ActionDispatch::IntegrationTest
-  test 'should create AbrahamHistory' do
-    assert_difference ['AbrahamHistory.count'] do
-      post abraham_histories_url, as: :json, params: { abraham_history: { action_name: 'foo', controller_name: 'bar', tour_name: 'baz' } }
+  test "should create AbrahamHistory" do
+    assert_difference ["AbrahamHistory.count"] do
+      post abraham_histories_url, as: :json, params: { abraham_history: { action_name: "foo", controller_name: "bar", tour_name: "baz" } }
     end
   end
 end
diff --git a/test/dummy/test/controllers/dashboard_controller_test.rb b/test/dummy/test/controllers/dashboard_controller_test.rb
index c684713..9b28f69 100644
--- a/test/dummy/test/controllers/dashboard_controller_test.rb
+++ b/test/dummy/test/controllers/dashboard_controller_test.rb
@@ -1,39 +1,40 @@
 # frozen_string_literal: true
-require 'test_helper'
+
+require "test_helper"
 
 class DashboardControllerTest < ActionDispatch::IntegrationTest
-  test 'uses configured shepherd theme' do
+  test "uses configured shepherd theme" do
     # default
     get dashboard_home_url
     assert_response :success
-    assert_select 'body script' do |element|
+    assert_select "body script" do |element|
       # it's the home tour
       assert element.text.include? "classes: 'shepherd-theme-default'"
     end
 
     # custom
-    Rails.configuration.abraham.default_theme = 'my-custom-theme'
+    Rails.configuration.abraham.default_theme = "my-custom-theme"
     get dashboard_home_url
-    assert_select 'body script' do |element|
+    assert_select "body script" do |element|
       # it's the home tour
       assert element.text.include? "classes: 'my-custom-theme'"
     end
   end
 
-  test 'home should have home tour code' do
+  test "home should have home tour code" do
     get dashboard_home_url
     assert_response :success
 
-    assert_select 'body script' do |element|
+    assert_select "body script" do |element|
       # it's the home tour
-      assert element.text.include? 'ENGLISH This first HOME step is centered text-only'
+      assert element.text.include? "ENGLISH This first HOME step is centered text-only"
       # it has three steps
-      assert element.text.include? 'step-1'
-      assert element.text.include? 'step-2'
-      assert element.text.include? 'step-3'
-      assert element.text.include? 'step-4'
+      assert element.text.include? "step-1"
+      assert element.text.include? "step-2"
+      assert element.text.include? "step-3"
+      assert element.text.include? "step-4"
       # Generates a showOn option
-      assert element.text.include? 'showOn:'
+      assert element.text.include? "showOn:"
       # it will post the right completion information
       assert element.text.include? "controller_name: 'dashboard'"
       assert element.text.include? "action_name: 'home'"
@@ -41,15 +42,15 @@ class DashboardControllerTest < ActionDispatch::IntegrationTest
     end
   end
 
-  test 'other should have other tour code' do
+  test "other should have other tour code" do
     get dashboard_other_url
     assert_response :success
 
-    assert_select 'body script' do |element|
+    assert_select "body script" do |element|
       # it's the home tour
-      assert element.text.include? 'TOUR ONE step one ENGLISH'
+      assert element.text.include? "TOUR ONE step one ENGLISH"
       # it has only one steps
-      assert element.text.include? 'step-1'
+      assert element.text.include? "step-1"
       # it will post the right completion information
       assert element.text.include? "controller_name: 'dashboard'"
       assert element.text.include? "action_name: 'other'"
diff --git a/test/install_generator_test.rb b/test/install_generator_test.rb
index 3cc0d96..1a80ee6 100644
--- a/test/install_generator_test.rb
+++ b/test/install_generator_test.rb
@@ -1,46 +1,47 @@
 # frozen_string_literal: true
-require 'test_helper'
-require 'rails/generators'
-require 'generators/abraham/install_generator'
+
+require "test_helper"
+require "rails/generators"
+require "generators/abraham/install_generator"
 
 class InstallGeneratorTest < Rails::Generators::TestCase
   tests Abraham::Generators::InstallGenerator
-  destination File.expand_path('../../tmp', __FILE__)
+  destination File.expand_path("../tmp", __dir__)
 
   setup :prepare_destination
 
-  test 'should generate a migration' do
+  test "should generate a migration" do
     begin
       run_generator
-      assert_migration 'db/migrate/create_abraham_histories'
+      assert_migration "db/migrate/create_abraham_histories"
     ensure
       FileUtils.rm_rf destination_root
     end
   end
 
-  test 'should skip the migration when told to do so' do
+  test "should skip the migration when told to do so" do
     begin
-      run_generator ['--skip-migration']
-      assert_no_migration 'db/migrate/create_abraham_histories'
+      run_generator ["--skip-migration"]
+      assert_no_migration "db/migrate/create_abraham_histories"
     ensure
       FileUtils.rm_rf destination_root
     end
   end
 
-  test 'should generate an initializer' do
+  test "should generate an initializer" do
     begin
       run_generator
-      assert_file 'config/initializers/abraham.rb'
-      assert_file 'config/abraham.yml'
+      assert_file "config/initializers/abraham.rb"
+      assert_file "config/abraham.yml"
     ensure
       FileUtils.rm_rf destination_root
     end
   end
 
-  test 'should skip the initializer when told to do so' do
+  test "should skip the initializer when told to do so" do
     begin
-      run_generator ['--skip-initializer']
-      assert_no_file 'config/initializers/abraham.rb'
+      run_generator ["--skip-initializer"]
+      assert_no_file "config/initializers/abraham.rb"
     ensure
       FileUtils.rm_rf destination_root
     end
diff --git a/test/integration/navigation_test.rb b/test/integration/navigation_test.rb
index 3c97384..43df32a 100644
--- a/test/integration/navigation_test.rb
+++ b/test/integration/navigation_test.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
-require 'test_helper'
+
+require "test_helper"
 
 class NavigationTest < ActionDispatch::IntegrationTest
   # test "the truth" do
diff --git a/test/models/abraham_history_test.rb b/test/models/abraham_history_test.rb
index de50c1b..363bf8b 100644
--- a/test/models/abraham_history_test.rb
+++ b/test/models/abraham_history_test.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
-require 'test_helper'
+
+require "test_helper"
 
 class AbrahamHistoryTest < ActiveSupport::TestCase
   # test "the truth" do
diff --git a/test/test_helper.rb b/test/test_helper.rb
index af68d44..cf48e30 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,10 +1,11 @@
 # frozen_string_literal: true
-# Configure Rails Environment
-ENV['RAILS_ENV'] = 'test'
 
-require File.expand_path('../../test/dummy/config/environment.rb', __FILE__)
-ActiveRecord::Migrator.migrations_paths = [File.expand_path('../../test/dummy/db/migrate', __FILE__)]
-require 'rails/test_help'
+# Configure Rails Environment
+ENV["RAILS_ENV"] = "test"
+
+require File.expand_path("../test/dummy/config/environment.rb", __dir__)
+ActiveRecord::Migrator.migrations_paths = [File.expand_path("../test/dummy/db/migrate", __dir__)]
+require "rails/test_help"
 
 # Filter out Minitest backtrace while allowing backtrace from other libraries
 # to be shown.