Correctly handle multiple attribute method prefix/suffixes which match

Active Record defines `attribute_method_suffix :?`. That suffix will
match any predicate method when the lookup occurs in Active Model. This
will make it incorrectly decide that `id_changed?` should not exist,
because it attempts to determine if the attribute `id_changed` is
present, rather than `id` with the `_changed?` suffix. Instead, we will
look for any correct match.

1 files changed, 10 insertions, 0 deletions

diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index 67bb405629..6acd9aa39f 100644
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -1527,4 +1527,14 @@ class BasicsTest < ActiveRecord::TestCase
   test "records without an id have unique hashes" do
     assert_not_equal Post.new.hash, Post.new.hash
   end
+
+  test "resetting column information doesn't remove attribute methods" do
+    topic = topics(:first)
+
+    assert_not topic.id_changed?
+
+    Topic.reset_column_information
+
+    assert_not topic.id_changed?
+  end
 end