Add a failing test for assigning nil to a polymorphic belongs_to not …

…nullifying its _type column
rails · Dec 18, 2013 · c141dfc · c141dfc · jeremy · Dec 18, 2013
1 parent b641542
commit c141dfc
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/activerecord/test/cases/associations/belongs_to_associations_test.rb b/activerecord/test/cases/associations/belongs_to_associations_test.rb
@@ -578,6 +578,19 @@ def test_polymorphic_assignment_with_primary_key_updates_foreign_id_field_for_ne
     assert_nil essay.writer_id
   end
 
+  def test_polymorphic_assignment_with_nil
+    essay = Essay.new
+    assert_nil essay.writer_id
+    assert_nil essay.writer_type
+
+    essay.writer_id = 1
+    essay.writer_type = 'Author'
+
+    essay.writer = nil
+    assert_nil essay.writer_id
+    assert_nil essay.writer_type
+  end
+
   def test_belongs_to_proxy_should_not_respond_to_private_methods
     assert_raise(NoMethodError) { companies(:first_firm).private_method }
     assert_raise(NoMethodError) { companies(:second_client).firm.private_method }