Merge pull request #23221 from vipulnsward/23209-fix-missin_source_type

Add missing source_type if provided on hmt which belongs to an sti re…

1 files changed, 9 insertions, 0 deletions

diff --git a/activerecord/test/cases/reflection_test.rb b/activerecord/test/cases/reflection_test.rb
index 9c04a41e69..a130d9f7ca 100644
--- a/activerecord/test/cases/reflection_test.rb
+++ b/activerecord/test/cases/reflection_test.rb
@@ -23,6 +23,7 @@ require 'models/chef'
 require 'models/department'
 require 'models/cake_designer'
 require 'models/drink_designer'
+require 'models/mocktail_designer'
 require 'models/recipe'
 
 class ReflectionTest < ActiveRecord::TestCase
@@ -278,6 +279,14 @@ class ReflectionTest < ActiveRecord::TestCase
     assert_equal 2, @hotel.chefs.size
   end
 
+  def test_scope_chain_does_not_interfere_with_hmt_with_polymorphic_case_and_sti
+    @hotel = Hotel.create!
+    @hotel.mocktail_designers << MocktailDesigner.create!
+
+    assert_equal 1, @hotel.mocktail_designers.size
+    assert_equal 1, @hotel.chef_lists.size
+  end
+
   def test_scope_chain_of_polymorphic_association_does_not_leak_into_other_hmt_associations
     hotel = Hotel.create!
     department = hotel.departments.create!