[experimental] Drop support of Ruby < 2.2 & Rails < 5.2

.rubocop.yml

@@ -2,6 +2,7 @@ inherit_from:
   - .rubocop_todo.yml
 
 AllCops:
+  TargetRubyVersion: 2.3
   Exclude:
     # Templates are really ERB which Rubocop does not parse
     - 'lib/generators/rspec/*/templates/**/*'
@@ -246,12 +247,6 @@ Style/ParallelAssignment:
 Style/ParenthesesAroundCondition:
   Enabled: false
 
-Style/PerlBackrefs:
-  Exclude:
-    # We probably can refactor the backref out, but for now excluding it since
-    # we can't use named matches in 1.8.7
-    - lib/generators/rspec/scaffold/scaffold_generator.rb
-
 Style/PercentLiteralDelimiters:
   PreferredDelimiters:
     '%':  ()      # double-quoted string
@@ -264,12 +259,6 @@ Style/PercentLiteralDelimiters:
     '%W': '[]'    # array of double-quoted strings
     '%x': ()      # a shell command as a string
 
-# On 1.8 `proc` was `lambda`, so we used `Proc.new` to ensure we got real procs
-# on all supported versions.
-# http://batsov.com/articles/2014/02/04/the-elements-of-style-in-ruby-number-12-proc-vs-proc-dot-new/
-Style/Proc:
-  Enabled: false
-
 Style/RegexpLiteral:
   Enabled: false
 

.rubocop_todo.yml

@@ -25,3 +25,14 @@ Style/HashSyntax:
 # the new lambda syntax was not supported in ruby 1.8.7
 Style/Lambda:
   Enabled: false
+
+# previously we couldn't use named matches in ruby 1.8.7
+Style/PerlBackrefs:
+  Exclude:
+    - lib/generators/rspec/scaffold/scaffold_generator.rb
+
+# On 1.8 `proc` was `lambda`, so we used `Proc.new` to ensure we got real procs
+# on all supported versions.
+# http://batsov.com/articles/2014/02/04/the-elements-of-style-in-ruby-number-12-proc-vs-proc-dot-new/
+Style/Proc:
+  Enabled: false

.travis.yml

@@ -65,36 +65,4 @@ matrix:
     - rvm: 2.3.8
       env: RAILS_VERSION='~> 5.2.0'
 
-    # Rails 5.1 Builds >= 2.2.2
-    - rvm: 2.6.3
-      env: RAILS_VERSION='~> 5.1.0'
-    - rvm: 2.5.5
-      env: RAILS_VERSION='~> 5.1.0'
-    - rvm: 2.4.6
-      env: RAILS_VERSION='~> 5.1.0'
-    - rvm: 2.3.8
-      env: RAILS_VERSION='~> 5.1.0'
-
-    # Rails 5.0 Builds >= 2.2.2
-    - rvm: 2.6.3
-      env: RAILS_VERSION='~> 5.0.0'
-    - rvm: 2.5.5
-      env: RAILS_VERSION='~> 5.0.0'
-    - rvm: 2.4.6
-      env: RAILS_VERSION='~> 5.0.0'
-    - rvm: 2.3.8
-      env: RAILS_VERSION='~> 5.0.0'
-
-    # Rails 4.2 Builds >= 1.9.3
-    - rvm: 2.5.5
-      env: RAILS_VERSION='~> 4.2.0'
-    - rvm: 2.4.6
-      env: RAILS_VERSION='~> 4.2.0'
-    - rvm: 2.4.6
-      env: RAILS_VERSION='~> 4.2.0'
-    - rvm: 2.3.8
-      env: RAILS_VERSION='~> 4.2.0'
-    - rvm: 2.3.8
-      env: RAILS_VERSION='~> 4.2.0'
-
   fast_finish: true

Gemfile

@@ -29,7 +29,7 @@ when /stable/
   MINOR = 0
 when nil, false, ""
   MAJOR = 5
-  MINOR = 0
+  MINOR = 2
 else
   match = /(\d+)(\.|-)(\d+)/.match(RAILS_VERSION)
   MAJOR, MINOR = match.captures.map(&:to_i).compact
@@ -60,7 +60,7 @@ end
 gem 'capybara', '~> 2.13', :require => false
 
 if MAJOR < 6
-  gem 'nokogiri', '1.8.5'
+  gem 'nokogiri', '1.9.1'
 else
   gem 'nokogiri', '>= 1.10.4'
 end

Gemfile-custom.sample

@@ -8,12 +8,5 @@ group :development do
   platform :mri do
     gem 'rb-fsevent', '~> 0.9.0'
     gem 'ruby-prof', '~> 0.10.0'
-
-    case RUBY_VERSION
-    when /^1.8/
-      gem 'ruby-debug'
-    when /^1.9/
-      gem 'debugger'
-    end
   end
 end

Gemfile-rails-dependencies

@@ -15,21 +15,21 @@ when /master/
   gem 'activerecord-jdbcsqlite3-adapter', git: 'https://github.com/jruby/activerecord-jdbc-adapter', platforms: [:jruby]
 when /stable$/
   gem_list = %w[rails railties actionmailer actionpack activerecord activesupport]
-  gem_list << 'activejob'  if version >= '4-2-stable'
-  gem_list << 'actionview' if version >= '4-2-stable'
-  gem 'puma', "3.12.1" if version > '5-0-stable'
+  gem_list << 'activejob'
+  gem_list << 'actionview'
+  gem 'puma', "3.12.1"
   gem 'activerecord-jdbcsqlite3-adapter', git: 'https://github.com/jruby/activerecord-jdbc-adapter', platforms: [:jruby]
 
   gem_list.each do |rails_gem|
     gem rails_gem, :git => "https://github.com/rails/rails.git", :branch => version
   end
 when nil, false, ""
-  gem "rails", "~> 5.0.0"
+  gem "rails", "~> 5.2.0"
   gem 'activerecord-jdbcsqlite3-adapter', platforms: [:jruby]
 else
   gem "rails", version
 
-  if version >= '5-1-stable' && RUBY_VERSION  >= "2.3"
+  if RUBY_VERSION  >= "2.3"
     gem "puma"
   end
 

README.md

@@ -119,8 +119,7 @@ $ bundle exec rspec --help
 ```
 
 **Optional:** If `bundle exec rspec` is too verbose for you,
-you can generate a binstub at `bin/rspec`
-and use that instead (Rails 4+ only):
+you can generate a binstub at `bin/rspec` and use that instead:
 
  ```sh
  $ bundle binstubs rspec-core

Rakefile

@@ -27,29 +27,12 @@ RSpec::Core::RakeTask.new(:spec) do |t|
 end
 
 Cucumber::Rake::Task.new(:cucumber) do |t|
-  version = ENV.fetch("RAILS_VERSION", "~> 4.2.0")[/\d[\.-]\d/]
+  version = ENV.fetch("RAILS_VERSION", "~> 5.2.0")[/\d[\.-]\d/]
   if version == "master" || version.nil?
     version = Float::INFINITY
   end
   tags = []
 
-  if version.to_f >= 5.1
-    tags << "~@rails_pre_5.1"
-  end
-
-  if version.to_f >= 5.0
-    tags << "~@rails_pre_5"
-  end
-
-  if version.to_f == 5.0
-    tags << "~@system_test"
-  end
-
-  if tags.empty?
-    tags << "~@rails_post_5"
-    tags << "~@system_test"
-  end
-
   if version.to_f >= 6.0
     tags << "~@rails_pre_6"
   end
@@ -69,7 +52,7 @@ namespace :generate do
     unless File.directory?('./tmp/example_app')
       bindir = File.expand_path("bin")
 
-      # Rails 4 cannot use a `rails` binstub generated by Bundler
+      # Rails 4+ cannot use a `rails` binstub generated by Bundler
       sh "rm -f #{bindir}/rails"
       sh "bundle exec rails new ./tmp/example_app --no-rc --skip-javascript --skip-bootsnap -skip-sprockets --skip-git --skip-test-unit --skip-listen --skip-bundle --template=example_app_generator/generate_app.rb"
 

appveyor.yml

@@ -33,8 +33,6 @@ test_script:
 
 environment:
   matrix:
-    - ruby_version: 200
-    - ruby_version: 21
     - ruby_version: 22
     - ruby_version: 23-x64
     - ruby_version: 24-x64

example_app_generator/generate_app.rb

@@ -25,31 +25,24 @@
   gsub_file "Gemfile", /.*puma.*/, ""
   gsub_file "Gemfile", /.*gem..sqlite3.*/, "gem 'sqlite3', '~> 1.3.6'"
   gsub_file "Gemfile", /.*bootsnap.*/, ""
-  if RUBY_VERSION < '2.2.2'
-    gsub_file "Gemfile", /.*rdoc.*/, "gem 'rdoc', '< 6'"
-  end
 
-  if Rails::VERSION::STRING >= '5.0.0'
-    append_to_file('Gemfile', "gem 'rails-controller-testing'\n")
-  end
+  append_to_file('Gemfile', "gem 'rails-controller-testing'\n")
 
   if Rails::VERSION::STRING >= '6'
     gsub_file "Gemfile", /.*gem..sqlite3.*/, "gem 'sqlite3', '~> 1.4'"
     gsub_file "Gemfile", /.*rails-controller-testing.*/, "gem 'rails-controller-testing', git: 'https://github.com/rails/rails-controller-testing'"
   end
 
-  if Rails::VERSION::STRING >= "5.1.0"
-    if RUBY_VERSION < "2.4"
-      gsub_file "Gemfile", /.*capybara.*/, "gem 'capybara', '~> 3.15.0'"
-    end
-    if Rails::VERSION::STRING >= "5.2.0" && RUBY_VERSION < '2.3.0'
-      gsub_file "Gemfile", /.*chromedriver-helper.*/, "gem 'webdrivers', '< 4.0.0'"
-    else
-      gsub_file "Gemfile", /.*chromedriver-helper.*/, "gem 'webdrivers'"
-    end
+  if RUBY_VERSION < "2.4"
+    gsub_file "Gemfile", /.*capybara.*/, "gem 'capybara', '~> 3.15.0'"
+  end
+  if RUBY_VERSION < '2.3.0'
+    gsub_file "Gemfile", /.*chromedriver-helper.*/, "gem 'webdrivers', '< 4.0.0'"
+  else
+    gsub_file "Gemfile", /.*chromedriver-helper.*/, "gem 'webdrivers'"
   end
 
-  if Rails::VERSION::STRING >= '5.2.0' && Rails::VERSION::STRING < '6'
+  if Rails::VERSION::STRING < '6'
     copy_file sqlite_initializer, 'config/initializers/sqlite3_fix.rb'
   end
 
@@ -63,21 +56,7 @@
 
   # Use our version of RSpec and Rails
   append_to_file 'Gemfile', <<-EOT.gsub(/^ +\|/, '')
-    |# Rack::Cache 1.3.0 requires Ruby >= 2.0.0
-    |gem 'rack-cache', '< 1.3.0' if RUBY_VERSION < '2.0.0'
-    |
-    |if RUBY_VERSION >= '2.0.0'
-    |  gem 'rake', '>= 10.0.0'
-    |elsif RUBY_VERSION >= '1.9.3'
-    |  gem 'rake', '< 12.0.0' # rake 12 requires Ruby 2.0.0 or later
-    |else
-    |  gem 'rake', '< 11.0.0' # rake 11 requires Ruby 1.9.3 or later
-    |end
-    |
-    |# Version 3 of mime-types 3 requires Ruby 2.0
-    |if RUBY_VERSION < '2.0.0'
-    |  gem 'mime-types', '< 3'
-    |end
+    |gem 'rake', '>= 10.0.0'
     |
     |gem 'rspec-rails',
     |    :path => '#{rspec_rails_repo_path}',

example_app_generator/no_active_record/app/models/in_memory/model.rb

@@ -1,6 +1,3 @@
-# Rails 4.0.x seems to be the only version that does not autoload `ActiveModel`
-require 'active_model'
-
 raise "ActiveRecord is defined but should not be!" if defined?(::ActiveRecord)
 
 module InMemory

example_app_generator/spec/verify_mailer_preview_path_spec.rb

@@ -16,12 +16,8 @@ def as_commandline(ops)
   end
 
   def capture_exec(*ops)
-    io = if RUBY_VERSION.to_f < 1.9
-           IO.popen(as_commandline(ops))
-         else
-           ops << { :err => [:child, :out] }
-           IO.popen(ops)
-         end
+    ops << { :err => [:child, :out] }
+    io = IO.popen(ops)
     # Necessary to ignore warnings from Rails code base
     out =  io.readlines.
               reject { |line| line =~ /warning: circular argument reference/ }.

example_app_generator/travis_retry_bundle_install.sh

@@ -4,7 +4,7 @@ set -e
 source FUNCTIONS_SCRIPT_FILE
 
 echo "Starting bundle install using shared bundle path"
-if is_mri_192_plus; then
+if is_mri; then
   travis_retry eval "RUBYOPT=$RUBYOPT:' --enable rubygems' bundle install --gemfile ./Gemfile --path REPLACE_BUNDLE_PATH --retry=3 --jobs=3"
 else
   travis_retry eval "bundle install --gemfile ./Gemfile --path REPLACE_BUNDLE_PATH --retry=3 --jobs=3"