diff options
| -rw-r--r-- | activerecord/test/cases/associations/eager_test.rb | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/eager_test.rb b/activerecord/test/cases/associations/eager_test.rb index 44bf7f7d2f..9fb395853e 100644 --- a/activerecord/test/cases/associations/eager_test.rb +++ b/activerecord/test/cases/associations/eager_test.rb @@ -530,6 +530,14 @@ class EagerAssociationTest < ActiveRecord::TestCase assert_equal [comments(:does_it_hurt)], assert_no_queries { author.special_post_comments } end + def test_preloading_has_many_through_with_implicit_source + authors = Author.includes(:very_special_comments).to_a + assert_no_queries do + special_comment_authors = authors.map { |author| [author.name, author.very_special_comments.size] } + assert_equal [["David", 1], ["Mary", 0], ["Bob", 0]], special_comment_authors + end + end + def test_eager_with_has_many_through_an_sti_join_model_with_conditions_on_both author = Author.all.merge!(includes: :special_nonexistent_post_comments, order: "authors.id").first assert_equal [], author.special_nonexistent_post_comments |