Introduce delete_by and destroy_by methods to ActiveRecord::Relation

1 files changed, 18 insertions, 0 deletions

diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb
index c82f93a3f0..adc50a694e 100644
--- a/activerecord/test/cases/relations_test.rb
+++ b/activerecord/test/cases/relations_test.rb
@@ -1686,6 +1686,24 @@ class RelationTest < ActiveRecord::TestCase
     assert_predicate topics, :loaded?
   end
 
+  def test_delete_by
+    david = authors(:david)
+
+    assert_difference("Post.count", -3) { david.posts.delete_by(body: "hello") }
+
+    deleted = Author.delete_by(id: david.id)
+    assert_equal 1, deleted
+  end
+
+  def test_destroy_by
+    david = authors(:david)
+
+    assert_difference("Post.count", -3) { david.posts.destroy_by(body: "hello") }
+
+    destroyed = Author.destroy_by(id: david.id)
+    assert_equal [david], destroyed
+  end
+
   test "find_by with hash conditions returns the first matching record" do
     assert_equal posts(:eager_other), Post.order(:id).find_by(author_id: 2)
   end