WIP: Rails upgrade to 6.x

Gemfile

@@ -4,7 +4,7 @@ gemspec
 
 ruby IO.read('.ruby-version').chomp
 
-gem 'rails', '5.0.7.2'
+gem 'rails', '~> 6.0.0'
 
 group :development, :test do
   gem 'brakeman', require: false

lib/dough/forms/builder.rb

@@ -14,7 +14,19 @@ class Builder < ActionView::Helpers::FormBuilder
       #  <%= f.errors_summary %>
       #
       def errors_summary
-        render(errors_summary_partial_name, errors: object_errors) if object_errors.present?
+        view_renderer.render(view_context, partial: errors_summary_partial_name, locals: { errors: object_errors }) if object_errors.present?
+      end
+
+      def compiled_method_container
+        view_context.compiled_method_container
+      end
+
+      def in_rendering_context(options, &blk)
+        view_context.in_rendering_context(options, &blk)
+      end
+
+      def _run(*args, &blk)
+        view_context._run(*args, &blk)
       end
 
       # This is the partial used to render the summary errors.
@@ -108,6 +120,10 @@ def lookup_context
         ActionView::LookupContext.new(ActionController::Base.view_paths + partial_paths)
       end
 
+      def view_context
+        ActionView::Base.new
+      end
+
       def view_renderer
         ActionView::Renderer.new(lookup_context)
       end

lib/dough/forms/builders/validation.rb

@@ -10,14 +10,26 @@ module ValidationModule
         include ActionView::Helpers::TranslationHelper
 
         def validation_summary
-          render 'summary_for_errors', errors: errors, error_prefix: error_prefix
+          view_renderer.render(view_context, partial: 'summary_for_errors', locals: { errors: errors, error_prefix: error_prefix })
+        end
+
+        def compiled_method_container
+          view_context.compiled_method_container
+        end
+
+        def in_rendering_context(options, &blk)
+          view_context.in_rendering_context(options, &blk)
+        end
+
+        def _run(*args, &blk)
+          view_context._run(*args, &blk)
         end
 
         def errors_for(subject = nil, field)
           subject ||= object
           filtered_errors = errors.select { |hash| hash[:object] == subject && hash[:field] == field }
 
-          render partial: 'errors_for_field', collection: filtered_errors, as: 'error', locals: { error_prefix: error_prefix }
+          view_renderer.render(view_context, partial: 'errors_for_field', collection: filtered_errors, as: 'error', locals: { error_prefix: error_prefix })
         end
 
         def validates(*models)
@@ -38,6 +50,10 @@ def view_renderer
           ActionView::Renderer.new(lookup_context)
         end
 
+        def view_context
+          ActionView::Base.new(lookup_context)
+        end
+
         private
 
         def error_models