Remove support for < 5.2

Author: JonRowe

Gemfile-rails-dependencies

@@ -17,7 +17,7 @@ when /master/
   gem 'selenium-webdriver', require: false
 when /stable$/
   gem_list = %w[rails railties actionmailer actionpack activerecord activesupport activejob actionview]
-  gem 'puma', "3.12.1" if version > '5-0-stable'
+  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|
@@ -31,7 +31,7 @@ when nil, false, ""
 else
   gem "rails", version
   gem "sprockets", '~> 3.0' if RUBY_VERSION < '2.5'
-  gem "puma" if version >= '5-1-stable'
+  gem "puma"
   gem 'activerecord-jdbcsqlite3-adapter', platforms: [:jruby]
-  gem 'selenium-webdriver', require: false if version >= '5'
+  gem 'selenium-webdriver', require: false
 end

Rakefile

@@ -13,11 +13,7 @@ require 'cucumber/rake/task'
 
 def rails_template_command
   require "rails/version"
-  if Rails.version.to_f >= 5.0
-    "app:template"
-  else
-    "rails:template"
-  end
+  "app:template"
 end
 
 desc "Run all examples"
@@ -36,14 +32,6 @@ Cucumber::Rake::Task.new(:cucumber) do |t|
     end
   tags = []
 
-  if version.to_f >= 5.1
-    tags << "~@rails_pre_5.1"
-  end
-
-  if version.to_f == 5.0
-    tags << "~@system_test"
-  end
-
   if version.to_f >= 6.0
     tags << "~@rails_pre_6"
   end

example_app_generator/generate_app.rb

@@ -24,11 +24,7 @@
   gsub_file "Gemfile", /.*puma.*/, ''
   gsub_file "Gemfile", /.*bootsnap.*/, ''
 
-  # We soft-support Rails 4.2. `rails-controller-testing` only supports Rails 5+.
-  # This conditional is to facilitate local testing against Rails 4.2.
-  if Rails::VERSION::STRING >= '5'
-    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", /.*rails-controller-testing.*/, "gem 'rails-controller-testing', git: 'https://github.com/rails/rails-controller-testing'"
@@ -47,14 +43,12 @@
     gsub_file "Gemfile", /.*gem..sqlite3.*/, "gem 'sqlite3', '~> 1.3.6'"
   end
 
-  if Rails::VERSION::STRING >= "5.1.0"
-    # webdrivers 4 up until 4.3.0 don't specify `required_ruby_version`, but contain
-    # Ruby 2.2-incompatible syntax (safe navigation).
-    # That basically means we use pre-4.0 for Ruby 2.2, and 4.3+ for newer Rubies.
-    gsub_file "Gemfile", /.*chromedriver-helper.*/, "gem 'webdrivers', '!= 4.0.0', '!= 4.0.1', '!= 4.1.0', '!= 4.1.1', '!= 4.1.2', '!= 4.1.3', '!= 4.2.0'"
-  end
+  # webdrivers 4 up until 4.3.0 don't specify `required_ruby_version`, but contain
+  # Ruby 2.2-incompatible syntax (safe navigation).
+  # That basically means we use pre-4.0 for Ruby 2.2, and 4.3+ for newer Rubies.
+  gsub_file "Gemfile", /.*chromedriver-helper.*/, "gem 'webdrivers', '!= 4.0.0', '!= 4.0.1', '!= 4.1.0', '!= 4.1.1', '!= 4.1.2', '!= 4.1.3', '!= 4.2.0'"
 
-  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
 

features/feature_specs/feature_spec.feature

@@ -17,35 +17,6 @@ Feature: Feature spec
   [customer](http://c2.com/cgi/wiki?CustomerTest) and [acceptance](http://c2.com/cgi/wiki?AcceptanceTest) tests. When capybara is required it sets
   `:type => :feature` automatically for you.
 
-  @rails_pre_5.1
-  Scenario: Feature specs are skipped without Capybara
-    Given a file named "spec/features/widget_management_spec.rb" with:
-      """ruby
-      require "rails_helper"
-
-      RSpec.feature "Widget management", :type => :feature do
-        scenario "User creates a new widget" do
-          visit "/widgets/new"
-
-          fill_in "Name", :with => "My Widget"
-          click_button "Create Widget"
-
-          expect(page).to have_text("Widget was successfully created.")
-        end
-      end
-      """
-    When I run `rspec spec/features/widget_management_spec.rb`
-    Then the exit status should be 0
-    And the output should contain "1 example, 0 failures, 1 pending"
-    And the output should contain:
-      """
-      Pending: (Failures listed here are expected and do not affect your suite's status)
-
-        1) Widget management User creates a new widget
-           # Feature specs require the Capybara (https://github.com/teamcapybara/capybara) gem, version 2.13.0 or later.
-           # ./spec/features/widget_management_spec.rb:4
-      """
-
   @capybara
   Scenario: specify creating a Widget by driving the application with capybara
     Given a file named "spec/features/widget_management_spec.rb" with:

lib/generators/rspec/mailer/templates/mailer_spec.rb

@@ -1,10 +1,10 @@
 require "rails_helper"
 
 <% module_namespacing do -%>
-RSpec.describe <%= Rails.version.to_f >= 5.0 ? class_name.sub(/(Mailer)?$/, 'Mailer') : class_name %>, <%= type_metatag(:mailer) %> do
+RSpec.describe <%= class_name.sub(/(Mailer)?$/, 'Mailer') %>, <%= type_metatag(:mailer) %> do
 <% for action in actions -%>
   describe "<%= action %>" do
-    let(:mail) { <%= Rails.version.to_f >= 5.0 ? class_name.sub(/(Mailer)?$/, 'Mailer') : class_name %>.<%= action %> }
+    let(:mail) { <%= class_name.sub(/(Mailer)?$/, 'Mailer') %>.<%= action %> }
 
     it "renders the headers" do
       expect(mail.subject).to eq(<%= action.to_s.humanize.inspect %>)

lib/generators/rspec/mailer/templates/preview.rb

@@ -5,7 +5,7 @@ class <%= class_name %>Preview < ActionMailer::Preview
 
   # Preview this email at http://localhost:3000/rails/mailers/<%= file_path %>/<%= action %>
   def <%= action %>
-    <%= Rails.version.to_f >= 5.0 ? class_name.sub(/(Mailer)?$/, 'Mailer') : class_name %>.<%= action %>
+    <%= class_name.sub(/(Mailer)?$/, 'Mailer') %>.<%= action %>
   end
 <% end -%>
 

lib/generators/rspec/scaffold/templates/controller_spec.rb

@@ -46,11 +46,7 @@
   describe "GET #index" do
     it "returns a success response" do
       <%= class_name %>.create! valid_attributes
-<% if Rails::VERSION::STRING < '5.0' -%>
-      get :index, {}, valid_session
-<% else -%>
       get :index, params: {}, session: valid_session
-<% end -%>
       expect(response).to be_successful
     end
   end
@@ -59,34 +55,22 @@
   describe "GET #show" do
     it "returns a success response" do
       <%= file_name %> = <%= class_name %>.create! valid_attributes
-<% if Rails::VERSION::STRING < '5.0' -%>
-      get :show, {id: <%= file_name %>.to_param}, valid_session
-<% else -%>
       get :show, params: {id: <%= file_name %>.to_param}, session: valid_session
-<% end -%>
       expect(response).to be_successful
     end
   end
 
   describe "GET #new" do
     it "returns a success response" do
-<% if Rails::VERSION::STRING < '5.0' -%>
-      get :new, {}, valid_session
-<% else -%>
       get :new, params: {}, session: valid_session
-<% end -%>
       expect(response).to be_successful
     end
   end
 
   describe "GET #edit" do
     it "returns a success response" do
       <%= file_name %> = <%= class_name %>.create! valid_attributes
-<% if Rails::VERSION::STRING < '5.0' -%>
-      get :edit, {id: <%= file_name %>.to_param}, valid_session
-<% else -%>
       get :edit, params: {id: <%= file_name %>.to_param}, session: valid_session
-<% end -%>
       expect(response).to be_successful
     end
   end
@@ -95,31 +79,19 @@
     context "with valid params" do
       it "creates a new <%= class_name %>" do
         expect {
-<% if Rails::VERSION::STRING < '5.0' -%>
-          post :create, {<%= ns_file_name %>: valid_attributes}, valid_session
-<% else -%>
           post :create, params: {<%= ns_file_name %>: valid_attributes}, session: valid_session
-<% end -%>
         }.to change(<%= class_name %>, :count).by(1)
       end
 
       it "redirects to the created <%= ns_file_name %>" do
-<% if Rails::VERSION::STRING < '5.0' -%>
-        post :create, {<%= ns_file_name %>: valid_attributes}, valid_session
-<% else -%>
         post :create, params: {<%= ns_file_name %>: valid_attributes}, session: valid_session
-<% end -%>
         expect(response).to redirect_to(<%= class_name %>.last)
       end
     end
 
     context "with invalid params" do
       it "returns a success response (i.e. to display the 'new' template)" do
-<% if Rails::VERSION::STRING < '5.0' -%>
-        post :create, {<%= ns_file_name %>: invalid_attributes}, valid_session
-<% else -%>
         post :create, params: {<%= ns_file_name %>: invalid_attributes}, session: valid_session
-<% end -%>
         expect(response).to be_successful
       end
     end
@@ -133,34 +105,22 @@
 
       it "updates the requested <%= ns_file_name %>" do
         <%= file_name %> = <%= class_name %>.create! valid_attributes
-<% if Rails::VERSION::STRING < '5.0' -%>
-        put :update, {id: <%= file_name %>.to_param, <%= ns_file_name %>: new_attributes}, valid_session
-<% else -%>
         put :update, params: {id: <%= file_name %>.to_param, <%= ns_file_name %>: new_attributes}, session: valid_session
-<% end -%>
         <%= file_name %>.reload
         skip("Add assertions for updated state")
       end
 
       it "redirects to the <%= ns_file_name %>" do
         <%= file_name %> = <%= class_name %>.create! valid_attributes
-<% if Rails::VERSION::STRING < '5.0' -%>
-        put :update, {id: <%= file_name %>.to_param, <%= ns_file_name %>: valid_attributes}, valid_session
-<% else -%>
         put :update, params: {id: <%= file_name %>.to_param, <%= ns_file_name %>: valid_attributes}, session: valid_session
-<% end -%>
         expect(response).to redirect_to(<%= file_name %>)
       end
     end
 
     context "with invalid params" do
       it "returns a success response (i.e. to display the 'edit' template)" do
         <%= file_name %> = <%= class_name %>.create! valid_attributes
-<% if Rails::VERSION::STRING < '5.0' -%>
-        put :update, {id: <%= file_name %>.to_param, <%= ns_file_name %>: invalid_attributes}, valid_session
-<% else -%>
         put :update, params: {id: <%= file_name %>.to_param, <%= ns_file_name %>: invalid_attributes}, session: valid_session
-<% end -%>
         expect(response).to be_successful
       end
     end
@@ -170,21 +130,13 @@
     it "destroys the requested <%= ns_file_name %>" do
       <%= file_name %> = <%= class_name %>.create! valid_attributes
       expect {
-<% if Rails::VERSION::STRING < '5.0' -%>
-        delete :destroy, {id: <%= file_name %>.to_param}, valid_session
-<% else -%>
         delete :destroy, params: {id: <%= file_name %>.to_param}, session: valid_session
-<% end -%>
       }.to change(<%= class_name %>, :count).by(-1)
     end
 
     it "redirects to the <%= table_name %> list" do
       <%= file_name %> = <%= class_name %>.create! valid_attributes
-<% if Rails::VERSION::STRING < '5.0' -%>
-      delete :destroy, {id: <%= file_name %>.to_param}, valid_session
-<% else -%>
       delete :destroy, params: {id: <%= file_name %>.to_param}, session: valid_session
-<% end -%>
       expect(response).to redirect_to(<%= index_helper %>_url)
     end
   end

lib/generators/rspec/scaffold/templates/edit_spec.rb

@@ -16,11 +16,7 @@
     assert_select "form[action=?][method=?]", <%= ns_file_name %>_path(@<%= ns_file_name %>), "post" do
 <% for attribute in output_attributes -%>
       <%- name = attribute.respond_to?(:column_name) ? attribute.column_name : attribute.name %>
-<% if Rails.version.to_f >= 5.1 -%>
       assert_select "<%= attribute.input_type -%>[name=?]", "<%= ns_file_name %>[<%= name %>]"
-<% else -%>
-      assert_select "<%= attribute.input_type -%>#<%= ns_file_name %>_<%= name %>[name=?]", "<%= ns_file_name %>[<%= name %>]"
-<% end -%>
 <% end -%>
     end
   end

lib/generators/rspec/scaffold/templates/new_spec.rb

@@ -15,11 +15,7 @@
     assert_select "form[action=?][method=?]", <%= index_helper %>_path, "post" do
 <% for attribute in output_attributes -%>
       <%- name = attribute.respond_to?(:column_name) ? attribute.column_name : attribute.name %>
-<% if Rails.version.to_f >= 5.1 -%>
       assert_select "<%= attribute.input_type -%>[name=?]", "<%= ns_file_name %>[<%= name %>]"
-<% else -%>
-      assert_select "<%= attribute.input_type -%>#<%= ns_file_name %>_<%= name %>[name=?]", "<%= ns_file_name %>[<%= name %>]"
-<% end -%>
 <% end -%>
     end
   end

lib/generators/rspec/system/system_generator.rb

@@ -1,25 +1,23 @@
 require 'generators/rspec'
 
-if ::Rails::VERSION::STRING >= '5.1'
-  module Rspec
-    module Generators
-      # @private
-      class SystemGenerator < Base
-        class_option :system_specs, type: :boolean, default: true,  desc: "Generate system specs"
+module Rspec
+  module Generators
+    # @private
+    class SystemGenerator < Base
+      class_option :system_specs, type: :boolean, default: true,  desc: "Generate system specs"
 
-        def generate_system_spec
-          return unless options[:system_specs]
+      def generate_system_spec
+        return unless options[:system_specs]
 
-          template template_name, File.join('spec/system', class_path, filename)
-        end
+        template template_name, File.join('spec/system', class_path, filename)
+      end
 
-        def template_name
-          'system_spec.rb'
-        end
+      def template_name
+        'system_spec.rb'
+      end
 
-        def filename
-          "#{table_name}_spec.rb"
-        end
+      def filename
+        "#{table_name}_spec.rb"
       end
     end
   end