Fix inspection behavior when the :id column is not primary key

1 files changed, 7 insertions, 0 deletions

diff --git a/activerecord/test/cases/primary_keys_test.rb b/activerecord/test/cases/primary_keys_test.rb
index f92ee15cfa..1baf7c4902 100644
--- a/activerecord/test/cases/primary_keys_test.rb
+++ b/activerecord/test/cases/primary_keys_test.rb
@@ -7,6 +7,7 @@ require "models/movie"
 require "models/keyboard"
 require "models/mixed_case_monkey"
 require "models/dashboard"
+require "models/non_primary_key"
 
 class PrimaryKeysTest < ActiveRecord::TestCase
   fixtures :topics, :subscribers, :movies, :mixed_case_monkeys
@@ -89,6 +90,12 @@ class PrimaryKeysTest < ActiveRecord::TestCase
     assert_equal("John Doe", subscriberReloaded.name)
   end
 
+  def test_id_column_that_is_not_primary_key
+    NonPrimaryKey.create!(id: 100)
+    actual = NonPrimaryKey.find_by(id: 100)
+    assert_match %r{<NonPrimaryKey id: 100}, actual.inspect
+  end
+
   def test_find_with_more_than_one_string_key
     assert_equal 2, Subscriber.find(subscribers(:first).nick, subscribers(:second).nick).length
   end