Check whether the current attribute being read is aliased or not before reading

- If aliased, then use the aliased attribute name.
- Fixes #26417.

1 files changed, 10 insertions, 0 deletions

diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb
index ba6877a6a6..a89ecc32a6 100644
--- a/activerecord/test/cases/attribute_methods_test.rb
+++ b/activerecord/test/cases/attribute_methods_test.rb
@@ -329,6 +329,16 @@ class AttributeMethodsTest < ActiveRecord::TestCase
     assert_equal "Don't change the topic", topic[:title]
   end
 
+  test "read_attribute can read aliased attributes as well" do
+    topic = Topic.new(title: "Don't change the topic")
+
+    assert_equal "Don't change the topic", topic.read_attribute("heading")
+    assert_equal "Don't change the topic", topic["heading"]
+
+    assert_equal "Don't change the topic", topic.read_attribute(:heading)
+    assert_equal "Don't change the topic", topic[:heading]
+  end
+
   test "read_attribute raises ActiveModel::MissingAttributeError when the attribute does not exist" do
     computer = Computer.select("id").first
     assert_raises(ActiveModel::MissingAttributeError) { computer[:developer] }