Remove dead code for Rails 5.x, 6.x, and < 6.1.4

README.md

@@ -455,18 +455,6 @@ Tips:
 - To focus a specific file, use the TEST option provided by minitest, e.g. to only run size_validator_test.rb file you will execute the following command: `bundle exec rake test TEST=test/validators/size_validator_test.rb`
 
 
-## Known issues
-
-- There is an issue in Rails which it possible to get if you have added a validation and generating for example an image preview of attachments. It can be fixed with this:
-
-```erb
-  <% if @user.avatar.attached? && @user.avatar.attachment.blob.present? && @user.avatar.attachment.blob.persisted? %>
-    <%= image_tag @user.avatar %>
-  <% end %>
-```
-
-This is a Rails issue, and is fixed in Rails 6.
-
 ## Contributing
 
 You are welcome to contribute.

lib/active_storage_validations/aspect_ratio_validator.rb

@@ -28,36 +28,18 @@ def check_validity!
       ensure_aspect_ratio_validity
     end
 
-    if Rails.gem_version >= Gem::Version.new('6.0.0')
-      def validate_each(record, attribute, _value)
-        return true unless record.send(attribute).attached?
+    def validate_each(record, attribute, _value)
+      return true unless record.send(attribute).attached?
 
-        changes = record.attachment_changes[attribute.to_s]
-        return true if changes.blank?
+      changes = record.attachment_changes[attribute.to_s]
+      return true if changes.blank?
 
-        files = Array.wrap(changes.is_a?(ActiveStorage::Attached::Changes::CreateMany) ? changes.attachables : changes.attachable)
+      files = Array.wrap(changes.is_a?(ActiveStorage::Attached::Changes::CreateMany) ? changes.attachables : changes.attachable)
 
-        files.each do |file|
-          metadata = Metadata.new(file).metadata
-          next if is_valid?(record, attribute, file, metadata)
-          break
-        end
-      end
-    else
-      # Rails 5
-      def validate_each(record, attribute, _value)
-        return true unless record.send(attribute).attached?
-
-        files = Array.wrap(record.send(attribute))
-
-        files.each do |file|
-          # Analyze file first if not analyzed to get all required metadata.
-          file.analyze; file.reload unless file.analyzed?
-          metadata = file.metadata
-
-          next if is_valid?(record, attribute, file, metadata)
-          break
-        end
+      files.each do |file|
+        metadata = Metadata.new(file).metadata
+        next if is_valid?(record, attribute, file, metadata)
+        break
       end
     end
 

lib/active_storage_validations/content_type_spoof_detector.rb

@@ -49,11 +49,7 @@ def get_io_from_one
       when ActionDispatch::Http::UploadedFile
         attachable.read
       when String
-        blob = if Rails.gem_version < Gem::Version.new('6.1.0')
-                ActiveStorage::Blob.find_signed(attachable)
-              else
-                ActiveStorage::Blob.find_signed!(attachable)
-              end
+        blob = ActiveStorage::Blob.find_signed!(attachable)
         blob.download
       when ActiveStorage::Blob
         attachable.download
@@ -72,11 +68,7 @@ def get_io_from_many
         end.read
       elsif attachables.all? { |attachable| attachable.is_a?(String) }
         # It's only possible to pass one String as attachable (not an array of String)
-        blob = if Rails.gem_version < Gem::Version.new('6.1.0')
-                 ActiveStorage::Blob.find_signed(attachables.first)
-               else
-                 ActiveStorage::Blob.find_signed!(attachables.first)
-               end
+        blob = ActiveStorage::Blob.find_signed!(attachables.first)
         blob.download
       elsif attachables.all? { |attachable| attachable.is_a?(ActiveStorage::Blob) }
         attachables.find { |blob| blob == @file.blob }.download
@@ -132,14 +124,7 @@ def enlarged_content_type(content_type)
     end
 
     def parent_content_types(content_type)
-      if Rails.gem_version < Gem::Version.new('6.1.4')
-        []
-      else
-        # Marcel parent feature is only available starting from marcel v1.0.3
-        # Rails >= 6.1.4 relies on marcel ~> 1.0
-        # Rails < 6.1.4 relies on marcel ~> 0.3.1
-        Marcel::TYPE_PARENTS[content_type] || []
-      end
+      Marcel::TYPE_PARENTS[content_type] || []
     end
   end
 end

lib/active_storage_validations/dimension_validator.rb

@@ -54,37 +54,20 @@ def check_validity!
     end
 
 
-    if Rails.gem_version >= Gem::Version.new('6.0.0')
-      def validate_each(record, attribute, _value)
-        return true unless record.send(attribute).attached?
-
-        changes = record.attachment_changes[attribute.to_s]
-        return true if changes.blank?
-
-        files = Array.wrap(changes.is_a?(ActiveStorage::Attached::Changes::CreateMany) ? changes.attachables : changes.attachable)
-        files.each do |file|
-          metadata = Metadata.new(file).metadata
-          next if is_valid?(record, attribute, file, metadata)
-          break
-        end
-      end
-    else
-      # Rails 5
-      def validate_each(record, attribute, _value)
-        return true unless record.send(attribute).attached?
-
-        files = Array.wrap(record.send(attribute))
-        files.each do |file|
-          # Analyze file first if not analyzed to get all required metadata.
-          file.analyze; file.reload unless file.analyzed?
-          metadata = file.metadata rescue {}
-          next if is_valid?(record, attribute, file, metadata)
-          break
-        end
+    def validate_each(record, attribute, _value)
+      return true unless record.send(attribute).attached?
+
+      changes = record.attachment_changes[attribute.to_s]
+      return true if changes.blank?
+
+      files = Array.wrap(changes.is_a?(ActiveStorage::Attached::Changes::CreateMany) ? changes.attachables : changes.attachable)
+      files.each do |file|
+        metadata = Metadata.new(file).metadata
+        next if is_valid?(record, attribute, file, metadata)
+        break
       end
     end
 
-
     def is_valid?(record, attribute, file, metadata)
       flat_options = process_options(record)
       errors_options = initialize_error_options(options, file)

lib/active_storage_validations/marcel_extensor.rb

@@ -1,10 +1,5 @@
-if Rails.gem_version >= Gem::Version.new('6.1.4')
-  # Marcel parent feature is only available starting from marcel v1.0.3
-  # Rails >= 6.1.4 relies on marcel ~> 1.0
-  # Rails < 6.1.4 relies on marcel ~> 0.3.1
-  Marcel::MimeType.extend "application/x-rar-compressed", parents: %(application/x-rar)
-  Marcel::MimeType.extend "audio/x-hx-aac-adts", parents: %(audio/x-aac)
-  Marcel::MimeType.extend "audio/x-m4a", parents: %(audio/mp4)
-  Marcel::MimeType.extend "text/xml", parents: %(application/xml) # alias
-  Marcel::MimeType.extend "video/theora", parents: %(video/ogg)
-end
+Marcel::MimeType.extend "application/x-rar-compressed", parents: %(application/x-rar)
+Marcel::MimeType.extend "audio/x-hx-aac-adts", parents: %(audio/x-aac)
+Marcel::MimeType.extend "audio/x-m4a", parents: %(audio/mp4)
+Marcel::MimeType.extend "text/xml", parents: %(application/xml) # alias
+Marcel::MimeType.extend "video/theora", parents: %(video/ogg)

lib/active_storage_validations/matchers.rb

@@ -25,21 +25,9 @@ def self.stub_method(object, method, result)
     end
 
     def self.mock_metadata(attachment, width, height)
-      if Rails.gem_version >= Gem::Version.new('6.0.0')
-        # Mock the Metadata class for rails 6
-        mock = Struct.new(:metadata).new({ width: width, height: height })
-        stub_method(ActiveStorageValidations::Metadata, :new, mock) do
-          yield
-        end
-      else
-        # Stub the metadata analysis for rails 5
-        stub_method(attachment, :analyze, true) do
-          stub_method(attachment, :analyzed?, true) do
-            stub_method(attachment, :metadata, { width: width, height: height }) do
-              yield
-            end
-          end
-        end
+      mock = Struct.new(:metadata).new({ width: width, height: height })
+      stub_method(ActiveStorageValidations::Metadata, :new, mock) do
+        yield
       end
     end
   end

lib/active_storage_validations/metadata.rb

@@ -68,11 +68,7 @@ def read_image
       if is_string || file.is_a?(ActiveStorage::Blob)
         blob =
           if is_string
-            if Rails.gem_version < Gem::Version.new('6.1.0')
-              ActiveStorage::Blob.find_signed(file)
-            else
-              ActiveStorage::Blob.find_signed!(file)
-            end
+            ActiveStorage::Blob.find_signed!(file)
           else
             file
           end

lib/active_storage_validations/processable_image_validator.rb

@@ -14,34 +14,18 @@ class ProcessableImageValidator < ActiveModel::EachValidator # :nodoc
       image_not_processable
     ].freeze
 
-    if Rails.gem_version >= Gem::Version.new('6.0.0')
-      def validate_each(record, attribute, _value)
-        return true unless record.send(attribute).attached?
+    def validate_each(record, attribute, _value)
+      return true unless record.send(attribute).attached?
 
-        changes = record.attachment_changes[attribute.to_s]
-        return true if changes.blank?
+      changes = record.attachment_changes[attribute.to_s]
+      return true if changes.blank?
 
-        files = Array.wrap(changes.is_a?(ActiveStorage::Attached::Changes::CreateMany) ? changes.attachables : changes.attachable)
+      files = Array.wrap(changes.is_a?(ActiveStorage::Attached::Changes::CreateMany) ? changes.attachables : changes.attachable)
 
-        files.each do |file|
-          if !Metadata.new(file).valid?
-            errors_options = initialize_error_options(options, file)
-            add_error(record, attribute, ERROR_TYPES.first , **errors_options) unless Metadata.new(file).valid?
-          end
-        end
-      end
-    else
-      # Rails 5
-      def validate_each(record, attribute, _value)
-        return true unless record.send(attribute).attached?
-
-        files = Array.wrap(record.send(attribute))
-
-        files.each do |file|
-          if !Metadata.new(file).valid?
-            errors_options = initialize_error_options(options, file)
-            add_error(record, attribute, ERROR_TYPES.first , **errors_options) unless Metadata.new(file).valid?
-          end
+      files.each do |file|
+        if !Metadata.new(file).valid?
+          errors_options = initialize_error_options(options, file)
+          add_error(record, attribute, ERROR_TYPES.first , **errors_options) unless Metadata.new(file).valid?
         end
       end
     end

test/active_storage_validations_test.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
 # Run tests using:
-# BUNDLE_GEMFILE=gemfiles/rails_5_2.gemfile bundle exec rake test
-# BUNDLE_GEMFILE=gemfiles/rails_6_0.gemfile bundle exec rake test
+# BUNDLE_GEMFILE=gemfiles/rails_6_1_4.gemfile bundle exec rake test
+# BUNDLE_GEMFILE=gemfiles/rails_7_0.gemfile bundle exec rake test
 
 require 'test_helper'
 
@@ -184,7 +184,7 @@ class ActiveStorageValidations::Test < ActiveSupport::TestCase
     assert_equal e.errors.full_messages, ["Documents total number is out of range"]
   end
 
-  test 'validates number of files for Rails 6' do
+  test 'validates number of files' do
     la = LimitAttachment.create(name: 'klingon')
     la.files.attach([pdf_file, pdf_file, pdf_file, pdf_file, pdf_file, pdf_file])
     la.proc_files.attach([pdf_file, pdf_file, pdf_file, pdf_file, pdf_file, pdf_file])
@@ -194,27 +194,11 @@ class ActiveStorageValidations::Test < ActiveSupport::TestCase
     assert_equal 6, la.files.count
     assert_equal 6, la.proc_files.count
 
-    if Rails.gem_version < Gem::Version.new('6.0.0')
-      assert_equal 6, la.files_blobs.count
-      assert_equal 6, la.proc_files_blobs.count
-    else
-      assert_equal 0, la.files_blobs.count
-      assert_equal 0, la.proc_files_blobs.count
-    end
+    assert_equal 0, la.files_blobs.count
+    assert_equal 0, la.proc_files_blobs.count
 
     assert_equal ['Files total number is out of range', 'Proc files total number is out of range'], la.errors.full_messages
 
-    if Rails.gem_version < Gem::Version.new('6.0.0')
-      la.files.first.purge
-      la.proc_files.first.purge
-      la.files.first.purge
-      la.proc_files.first.purge
-      la.files.first.purge
-      la.proc_files.first.purge
-      la.files.first.purge
-      la.proc_files.first.purge
-    end
-
     assert !la.valid?
     assert_equal ['Files total number is out of range', 'Proc files total number is out of range'], la.errors.full_messages
   end
@@ -373,12 +357,7 @@ class ActiveStorageValidations::Test < ActiveSupport::TestCase
 
     assert_nil e.dimension_min.attachment
     assert_nil e.proc_dimension_min.attachment
-    blob =
-      if Rails.gem_version >= Gem::Version.new('6.1.0')
-        ActiveStorage::Blob.create_and_upload!(**image_800x600_file)
-      else
-        ActiveStorage::Blob.create_after_upload!(**image_800x600_file)
-      end
+    blob = ActiveStorage::Blob.create_and_upload!(**image_800x600_file)
     e.dimension_min = blob.signed_id
     e.proc_dimension_min = blob.signed_id
     e.save!

test/dummy/db/schema.rb

@@ -21,17 +21,13 @@
     t.datetime :created_at, null: false
     t.index %i[key], name: :index_active_storage_blobs_on_key, unique: true
 
-    if Rails.gem_version >= Gem::Version.new('6.1.0')
-      t.string :service_name, null: false
-    end
+    t.string :service_name, null: false
   end
 
-  if Rails.gem_version >= Gem::Version.new('6.1.0')
-    create_table :active_storage_variant_records, force: :cascade do |t|
-      t.bigint :blob_id, null: false
-      t.string :variation_digest, null: false
-      t.index %i[blob_id variation_digest], name: :index_active_storage_variant_records_uniqueness, unique: true
-    end
+  create_table :active_storage_variant_records, force: :cascade do |t|
+    t.bigint :blob_id, null: false
+    t.string :variation_digest, null: false
+    t.index %i[blob_id variation_digest], name: :index_active_storage_variant_records_uniqueness, unique: true
   end
 
   %i(

test/test_helper.rb

@@ -13,7 +13,7 @@
 Combustion.path = 'test/dummy'
 Combustion.initialize! :active_record, :active_storage, :active_job do
   config.active_storage.variant_processor = ENV['IMAGE_PROCESSOR']&.to_sym
-  config.active_job.queue_adapter = :inline if Rails.gem_version >= Gem::Version.new('6.0.0')
+  config.active_job.queue_adapter = :inline
 end
 
 # Load other test helpers

test/validators/support/validator_helpers.rb

@@ -10,16 +10,10 @@ def is_expected_not_to_be_valid(**kwargs)
   def is_expected_to_have_error_options(error_options, **kwargs)
     subject.valid?(kwargs[:context])
 
-    # Rails 6.1.0 changes the form of ActiveModel’s errors collection
-    # https://github.com/rails/rails/blob/6-1-stable/activemodel/CHANGELOG.md#rails-610-december-09-2020
-    validator_error_options = if Rails.gem_version >= Gem::Version.new('6.1.0')
+    validator_error_options =
       subject.errors.find do |error|
         error.options[:validator_type] == kwargs[:validator] || validator_sym
       end.options
-    else
-      # For errors before Rails 6.1.0 we do not have error options
-      return true
-    end
 
     assert(
       error_options.all? do |key, _value|
@@ -32,16 +26,10 @@ def is_expected_to_have_error_options(error_options, **kwargs)
   def is_expected_to_have_error_message(message_key, **kwargs)
     subject.valid?(kwargs[:context])
 
-    # Rails 6.1.0 changes the form of ActiveModel’s errors collection
-    # https://github.com/rails/rails/blob/6-1-stable/activemodel/CHANGELOG.md#rails-610-december-09-2020
-    validator_error_message = if Rails.gem_version >= Gem::Version.new('6.1.0')
+    validator_error_message =
       subject.errors.find do |error|
         error.options[:validator_type] == kwargs[:validator] || validator_sym
       end.message
-    else
-      # For errors before Rails 6.1.0 we do not have error options
-      return true
-    end
 
     message = kwargs[:error_options][:custom_message] || I18n.t("errors.messages.#{message_key}", **kwargs[:error_options])