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| author | Ryuta Kamizono <kamipo@gmail.com> | 2017-11-06 06:40:36 +0900 |
|---|---|---|
| committer | Ryuta Kamizono <kamipo@gmail.com> | 2017-11-06 06:40:36 +0900 |
| commit | e0bef22665f93e88f6b2f3ac6bd55543ed0d6343 (patch) | |
| tree | 9c36c394d213083d18ef30885b42bdf9500b07bd /activerecord/test/cases | |
| parent | e617fb57f5a388d5f0a47fd5e576588dd10066b0 (diff) | |
| download | rails-e0bef22665f93e88f6b2f3ac6bd55543ed0d6343.tar.gz rails-e0bef22665f93e88f6b2f3ac6bd55543ed0d6343.tar.bz2 rails-e0bef22665f93e88f6b2f3ac6bd55543ed0d6343.zip | |
Fix preloading polymorphic multi-level through association
This is partially fixed by e617fb57 when through association has already
loaded. Otherwise, second level through association should respect
`preload_scope`.
Fixes #30242.
Closes #30076.
[Ryuta Kamizono & CicholGricenchos]
Diffstat (limited to 'activerecord/test/cases')
| -rw-r--r-- | activerecord/test/cases/associations/nested_through_associations_test.rb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/nested_through_associations_test.rb b/activerecord/test/cases/associations/nested_through_associations_test.rb index 11ee45917f..65d30d011b 100644 --- a/activerecord/test/cases/associations/nested_through_associations_test.rb +++ b/activerecord/test/cases/associations/nested_through_associations_test.rb @@ -579,6 +579,17 @@ class NestedThroughAssociationsTest < ActiveRecord::TestCase assert !c.post_taggings.empty? end + def test_polymorphic_has_many_through_when_through_association_has_not_loaded + cake_designer = CakeDesigner.create!(chef: Chef.new) + drink_designer = DrinkDesigner.create!(chef: Chef.new) + department = Department.create!(chefs: [cake_designer.chef, drink_designer.chef]) + Hotel.create!(departments: [department]) + hotel = Hotel.includes(:cake_designers, :drink_designers).take + + assert_equal [cake_designer], hotel.cake_designers + assert_equal [drink_designer], hotel.drink_designers + end + def test_polymorphic_has_many_through_when_through_association_has_already_loaded cake_designer = CakeDesigner.create!(chef: Chef.new) drink_designer = DrinkDesigner.create!(chef: Chef.new) |