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| author | Nikita Sokolov <faucct@gmail.com> | 2018-09-21 10:53:00 +0300 |
|---|---|---|
| committer | Nikita Sokolov <faucct@gmail.com> | 2018-10-02 10:59:48 +0300 |
| commit | d634c0d82b8ebd7b019baed535d89541bc8e4f6a (patch) | |
| tree | 4fcb70fe8d477d2e6bc46a551d44ae65bb1b317d /activerecord/test/cases/associations | |
| parent | 8171a1b9db029f4c6d45e2df3037d53a4864acb1 (diff) | |
| download | rails-d634c0d82b8ebd7b019baed535d89541bc8e4f6a.tar.gz rails-d634c0d82b8ebd7b019baed535d89541bc8e4f6a.tar.bz2 rails-d634c0d82b8ebd7b019baed535d89541bc8e4f6a.zip | |
ActiveRecord::Associations::Preloader should not fail to preload through missing records
Diffstat (limited to 'activerecord/test/cases/associations')
| -rw-r--r-- | activerecord/test/cases/associations/cascaded_eager_loading_test.rb | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/cascaded_eager_loading_test.rb b/activerecord/test/cases/associations/cascaded_eager_loading_test.rb index ba2104eb26..4cbc65b6d8 100644 --- a/activerecord/test/cases/associations/cascaded_eager_loading_test.rb +++ b/activerecord/test/cases/associations/cascaded_eager_loading_test.rb @@ -160,6 +160,11 @@ class CascadedEagerLoadingTest < ActiveRecord::TestCase end end + def test_preload_through_missing_records + post = Post.where.not(author_id: Author.select(:id)).preload(author: { comments: :post }).first! + assert_no_queries { assert_nil post.author } + end + def test_eager_association_loading_with_recursive_cascading_four_levels_has_many_through source = Vertex.all.merge!(includes: { sinks: { sinks: { sinks: :sinks } } }, order: "vertices.id").first assert_equal vertices(:vertex_4), assert_no_queries { source.sinks.first.sinks.first.sinks.first } |