Provide alternative override for ActiveRecord below version 7

lib/acts_as_paranoid/association_reflection.rb

@@ -3,13 +3,28 @@
 module ActsAsParanoid
   # Override for ActiveRecord::Reflection::AssociationReflection
   module AssociationReflection
-    def scope_allows_automatic_inverse_of?(reflection, inverse_reflection)
-      if reflection.scope
+    if ActiveRecord::VERSION::MAJOR < 7
+      def can_find_inverse_of_automatically?(reflection)
         options = reflection.options
-        return true if options[:with_deleted] && !options.fetch(:original_scope)
+
+        if reflection.macro == :belongs_to && options[:with_deleted]
+          return false if options[:inverse_of] == false
+          return false if options[:foreign_key]
+
+          !options.fetch(:original_scope)
+        else
+          super
+        end
       end
+    else
+      def scope_allows_automatic_inverse_of?(reflection, inverse_reflection)
+        if reflection.scope
+          options = reflection.options
+          return true if options[:with_deleted] && !options.fetch(:original_scope)
+        end
 
-      super
+        super
+      end
     end
   end
 end

test/test_associations.rb

@@ -140,13 +140,25 @@ class DoubleHasOneNotParanoid < HasOneNotParanoid
   class ParanoidParent < ActiveRecord::Base
     acts_as_paranoid
     has_many :paranoid_children
+    has_many :paranoid_no_inverse_children
+    has_many :paranoid_foreign_key_children
   end
 
   class ParanoidChild < ActiveRecord::Base
     acts_as_paranoid
     belongs_to :paranoid_parent, with_deleted: true
   end
 
+  class ParanoidNoInverseChild < ActiveRecord::Base
+    acts_as_paranoid
+    belongs_to :paranoid_parent, with_deleted: true, inverse_of: false
+  end
+
+  class ParanoidForeignKeyChild < ActiveRecord::Base
+    acts_as_paranoid
+    belongs_to :paranoid_parent, with_deleted: true, foreign_key: :paranoid_parent_id
+  end
+
   # rubocop:disable Metrics/AbcSize
   def setup
     ActiveRecord::Schema.define(version: 1) do # rubocop:disable Metrics/BlockLength
@@ -274,6 +286,20 @@ def setup
 
         timestamps t
       end
+
+      create_table :paranoid_no_inverse_children do |t|
+        t.datetime :deleted_at
+        t.integer :paranoid_parent_id
+
+        timestamps t
+      end
+
+      create_table :paranoid_foreign_key_children do |t|
+        t.datetime :deleted_at
+        t.integer :paranoid_parent_id
+
+        timestamps t
+      end
     end
   end
   # rubocop:enable Metrics/AbcSize
@@ -392,12 +418,44 @@ def test_belongs_to_with_deleted
   end
 
   def test_building_belongs_to_associations
+    paranoid_product = ParanoidProduct.new
+    paranoid_destroy_company =
+      ParanoidDestroyCompany.new(paranoid_products: [paranoid_product])
+
+    assert_equal paranoid_destroy_company,
+                 paranoid_destroy_company.paranoid_products.first.paranoid_destroy_company
+  end
+
+  def test_building_belongs_to_associations_with_deleted
     paranoid_child = ParanoidChild.new
     paranoid_parent = ParanoidParent.new(paranoid_children: [paranoid_child])
 
     assert_equal paranoid_parent, paranoid_parent.paranoid_children.first.paranoid_parent
   end
 
+  def test_building_polymorphic_belongs_to_associations_with_deleted
+    paranoid_belongs_to = ParanoidBelongsToPolymorphic.new
+    paranoid_has_many =
+      ParanoidHasManyAsParent.new(paranoid_belongs_to_polymorphics: [paranoid_belongs_to])
+
+    assert_equal paranoid_has_many,
+                 paranoid_has_many.paranoid_belongs_to_polymorphics.first.parent
+  end
+
+  def test_building_belongs_to_associations_with_deleted_with_inverse_of_false
+    paranoid_child = ParanoidNoInverseChild.new
+    paranoid_parent = ParanoidParent.new(paranoid_no_inverse_children: [paranoid_child])
+
+    assert_nil paranoid_parent.paranoid_no_inverse_children.first.paranoid_parent
+  end
+
+  def test_building_belongs_to_associations_with_deleted_with_foreign_key
+    paranoid_child = ParanoidForeignKeyChild.new
+    paranoid_parent = ParanoidParent.new(paranoid_foreign_key_children: [paranoid_child])
+
+    assert_nil paranoid_parent.paranoid_foreign_key_children.first.paranoid_parent
+  end
+
   def test_belongs_to_with_deleted_as_inverse_of_has_many
     has_many_reflection = ParanoidParent.reflect_on_association :paranoid_children
     belongs_to_reflection = ParanoidChild.reflect_on_association :paranoid_parent