Merge pull request #28155 from lcreid/belongs_to

Fix "autosave: true" on belongs_to of join model causes invalid records to be saved

3 files changed, 18 insertions, 0 deletions

diff --git a/activerecord/test/models/section.rb b/activerecord/test/models/section.rb
new file mode 100644
index 0000000000..f8b4cc7936
--- /dev/null
+++ b/activerecord/test/models/section.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+class Section < ActiveRecord::Base
+  belongs_to :session, inverse_of: :sections, autosave: true
+  belongs_to :seminar, inverse_of: :sections, autosave: true
+end
diff --git a/activerecord/test/models/seminar.rb b/activerecord/test/models/seminar.rb
new file mode 100644
index 0000000000..c18aa86433
--- /dev/null
+++ b/activerecord/test/models/seminar.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+class Seminar < ActiveRecord::Base
+  has_many :sections, inverse_of: :seminar, autosave: true, dependent: :destroy
+  has_many :sessions, through: :sections
+end
diff --git a/activerecord/test/models/session.rb b/activerecord/test/models/session.rb
new file mode 100644
index 0000000000..db66b5297e
--- /dev/null
+++ b/activerecord/test/models/session.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+class Session < ActiveRecord::Base
+  has_many :sections, inverse_of: :session, autosave: true, dependent: :destroy
+  has_many :seminars, through: :sections
+end