1 files changed, 20 insertions, 6 deletions
diff --git a/activerecord/test/cases/associations_test.rb b/activerecord/test/cases/associations_test.rb
index 4ab690bfc6..de04221ea6 100644
--- a/activerecord/test/cases/associations_test.rb
+++ b/activerecord/test/cases/associations_test.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cases/helper"
 require "models/computer"
 require "models/developer"
@@ -220,6 +222,18 @@ class AssociationProxyTest < ActiveRecord::TestCase
     assert_equal david.projects, david.projects.scope
   end
 
+  test "proxy object is cached" do
+    david = developers(:david)
+    assert_same david.projects, david.projects
+  end
+
+  test "proxy object can be stubbed" do
+    david = developers(:david)
+    david.projects.define_singleton_method(:extra_method) { 42 }
+
+    assert_equal 42, david.projects.extra_method
+  end
+
   test "inverses get set of subsets of the association" do
     man = Man.create
     man.interests.create
@@ -233,16 +247,16 @@ class AssociationProxyTest < ActiveRecord::TestCase
 
   test "first! works on loaded associations" do
     david = authors(:david)
-    assert_equal david.posts.first, david.posts.reload.first!
-    assert david.posts.loaded?
-    assert_no_queries { david.posts.first! }
+    assert_equal david.first_posts.first, david.first_posts.reload.first!
+    assert david.first_posts.loaded?
+    assert_no_queries { david.first_posts.first! }
   end
 
   def test_pluck_uses_loaded_target
     david = authors(:david)
-    assert_equal david.posts.pluck(:title), david.posts.load.pluck(:title)
-    assert david.posts.loaded?
-    assert_no_queries { david.posts.pluck(:title) }
+    assert_equal david.first_posts.pluck(:title), david.first_posts.load.pluck(:title)
+    assert david.first_posts.loaded?
+    assert_no_queries { david.first_posts.pluck(:title) }
   end
 
   def test_reset_unloads_target