Drop support for Ruby < 2.5 and Rails 5.x

.github/workflows/test.yml

@@ -8,21 +8,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ 2.5, 2.6, 2.7, jruby ]
-        gemfile: [ gemfiles/rails-6-0.gemfile ]
+        ruby: [ 2.5, 2.6, 2.7, 3.0, jruby ]
+        gemfile: [ gemfiles/rails-6-1.gemfile ]
         experimental: [ false ]
         include:
-          - ruby: 2.2
-            gemfile: gemfiles/rails-5-0.gemfile
-            experimental: false
-          - ruby: 2.3
-            gemfile: gemfiles/rails-5-1.gemfile
-            experimental: false
-          - ruby: 2.4
-            gemfile: gemfiles/rails-5-2.gemfile
-            experimental: false
           - ruby: 3.0
-            gemfile: gemfiles/rails-6-1.gemfile
+            gemfile: gemfiles/rails-6-0.gemfile
             experimental: false
           - ruby: 3.0
             gemfile: gemfiles/rails-master.gemfile
@@ -31,7 +22,7 @@ jobs:
             gemfile: gemfiles/rails-6-1.gemfile
             experimental: true
           - ruby: jruby-head
-            gemfile: gemfiles/rails-6-0.gemfile
+            gemfile: gemfiles/rails-6-1.gemfile
             experimental: false
     runs-on: ubuntu-20.04
     env:
@@ -62,7 +53,5 @@ jobs:
     - name: Run RSpec
       run: bundle exec rake spec || [ "$EXPERIMENTAL" == "true" ] && true
     - name: Run Cucumber
-      # Workaround for OpenSSL 'undefined symbol: SSLv2_method' error
-      if: ${{ matrix.ruby > 2.3 || contains(matrix.ruby, 'ruby') }}
       run: bundle exec rake features || [ "$EXPERIMENTAL" == "true" ] && true
 

carrierwave.gemspec

@@ -19,15 +19,15 @@ Gem::Specification.new do |s|
   s.require_paths = ["lib"]
   s.licenses = ["MIT"]
 
-  s.required_ruby_version = ">= 2.2.2"
+  s.required_ruby_version = ">= 2.5.0"
 
-  s.add_dependency "activesupport", ">= 5.0.0"
-  s.add_dependency "activemodel", ">= 5.0.0"
+  s.add_dependency "activesupport", ">= 6.0.0"
+  s.add_dependency "activemodel", ">= 6.0.0"
   s.add_dependency "image_processing", "~> 1.1"
   s.add_dependency "marcel", "~> 1.0.0"
   s.add_dependency "addressable", "~> 2.6"
   s.add_dependency "ssrf_filter", "~> 1.0"
-  s.add_development_dependency "rails", ">= 5.0.0"
+  s.add_development_dependency "rails", ">= 6.0.0"
   s.add_development_dependency "cucumber", "~> 2.3"
   s.add_development_dependency "rspec", "~> 3.4"
   s.add_development_dependency "rspec-retry"

gemfiles/rails-5-0.gemfile

@@ -1,11 +0,0 @@
-source "https://rubygems.org"
-
-gem "rails", "~> 5.0.0"
-gem "activemodel-serializers-xml"
-if RUBY_VERSION < '2.3'
-  gem "ruby-vips", "2.0.13"
-end
-gem 'sqlite3', '~> 1.3.6', platforms: :ruby
-gem "activerecord-jdbcsqlite3-adapter", platform: [:jruby, :truffleruby]
-
-gemspec :path => "../"

gemfiles/rails-5-1.gemfile

@@ -1,8 +0,0 @@
-source "https://rubygems.org"
-
-gem "rails", "~> 5.1.0"
-gem "activemodel-serializers-xml"
-gem 'sqlite3', '~> 1.3.6', platforms: :ruby
-gem "activerecord-jdbcsqlite3-adapter", platform: [:jruby, :truffleruby]
-
-gemspec :path => "../"

gemfiles/rails-5-2.gemfile

@@ -1,8 +0,0 @@
-source "https://rubygems.org"
-
-gem "rails", "~> 5.2.0"
-gem "activemodel-serializers-xml"
-gem 'sqlite3', platforms: :ruby
-gem "activerecord-jdbcsqlite3-adapter", platform: [:jruby, :truffleruby]
-
-gemspec :path => "../"

lib/carrierwave/mount.rb

@@ -195,8 +195,7 @@ module CarrierWave
         end
 
         def store_previous_changes_for_#{column}
-          attribute_changes = ::ActiveRecord.version.to_s.to_f >= 5.1 ? saved_changes : changes
-          @_previous_changes_for_#{column} = attribute_changes[_mounter(:#{column}).serialization_column]
+          @_previous_changes_for_#{column} = saved_changes[_mounter(:#{column}).serialization_column]
         end
 
         def reset_previous_changes_for_#{column}
@@ -359,8 +358,7 @@ module CarrierWave
         end
 
         def store_previous_changes_for_#{column}
-          attribute_changes = ::ActiveRecord.version.to_s.to_f >= 5.1 ? saved_changes : changes
-          @_previous_changes_for_#{column} = attribute_changes[_mounter(:#{column}).serialization_column]
+          @_previous_changes_for_#{column} = saved_changes[_mounter(:#{column}).serialization_column]
         end
 
         def reset_previous_changes_for_#{column}

spec/orm/activerecord_spec.rb

@@ -18,13 +18,7 @@ end
 
 def reset_class(class_name)
   Object.send(:remove_const, class_name) rescue nil
-  klass = Object.const_set(class_name, Class.new(ActiveRecord::Base))
-  # TODO Remove when Rails 5.2 is dropped
-  klass.class_eval do
-    attribute :images, :json
-    attribute :textfiles, :json
-  end
-  klass
+  Object.const_set(class_name, Class.new(ActiveRecord::Base))
 end
 
 describe CarrierWave::ActiveRecord do

spec/support/activerecord.rb

@@ -5,36 +5,3 @@ Bundler.require
 ActiveRecord::Base.establish_connection({ adapter: 'sqlite3', database: ':memory:' })
 
 ActiveRecord::Migration.verbose = false
-
-if ActiveRecord.version < Gem::Version.new("5.2")
-  module ActiveRecord
-    module Type
-      class Json < ActiveModel::Type::Value
-        include ActiveModel::Type::Helpers::Mutable
-
-        def type
-          :json
-        end
-
-        def deserialize(value)
-          return value unless value.is_a?(::String)
-          ActiveSupport::JSON.decode(value) rescue nil
-        end
-
-        def serialize(value)
-          ActiveSupport::JSON.encode(value) unless value.nil?
-        end
-
-        def changed_in_place?(raw_old_value, new_value)
-          deserialize(raw_old_value) != new_value
-        end
-
-        def accessor
-          ActiveRecord::Store::StringKeyedHashAccessor
-        end
-      end
-    end
-  end
-
-  ActiveRecord::Type.register(:json, ActiveRecord::Type::Json, override: false)
-end