diff options
Diffstat (limited to 'activerecord/test/cases/associations/eager_test.rb')
| -rw-r--r-- | activerecord/test/cases/associations/eager_test.rb | 64 |
1 files changed, 49 insertions, 15 deletions
diff --git a/activerecord/test/cases/associations/eager_test.rb b/activerecord/test/cases/associations/eager_test.rb index 5b8d4722af..594d161fa3 100644 --- a/activerecord/test/cases/associations/eager_test.rb +++ b/activerecord/test/cases/associations/eager_test.rb @@ -4,6 +4,7 @@ require "cases/helper" require "models/post" require "models/tagging" require "models/tag" +require "models/rating" require "models/comment" require "models/author" require "models/essay" @@ -18,6 +19,7 @@ require "models/job" require "models/subscriber" require "models/subscription" require "models/book" +require "models/citation" require "models/developer" require "models/computer" require "models/project" @@ -29,9 +31,21 @@ require "models/sponsor" require "models/mentor" require "models/contract" +class EagerLoadingTooManyIdsTest < ActiveRecord::TestCase + fixtures :citations + + def test_preloading_too_many_ids + assert_equal Citation.count, Citation.preload(:reference_of).to_a.size + end + + def test_eager_loading_too_may_ids + assert_equal Citation.count, Citation.eager_load(:citations).offset(0).size + end +end + class EagerAssociationTest < ActiveRecord::TestCase fixtures :posts, :comments, :authors, :essays, :author_addresses, :categories, :categories_posts, - :companies, :accounts, :tags, :taggings, :people, :readers, :categorizations, + :companies, :accounts, :tags, :taggings, :ratings, :people, :readers, :categorizations, :owners, :pets, :author_favorites, :jobs, :references, :subscribers, :subscriptions, :books, :developers, :projects, :developers_projects, :members, :memberships, :clubs, :sponsors @@ -76,6 +90,17 @@ class EagerAssociationTest < ActiveRecord::TestCase "expected to find only david's posts" end + def test_loading_polymorphic_association_with_mixed_table_conditions + rating = Rating.first + assert_equal [taggings(:normal_comment_rating)], rating.taggings_without_tag + + rating = Rating.preload(:taggings_without_tag).first + assert_equal [taggings(:normal_comment_rating)], rating.taggings_without_tag + + rating = Rating.eager_load(:taggings_without_tag).first + assert_equal [taggings(:normal_comment_rating)], rating.taggings_without_tag + end + def test_loading_with_scope_including_joins member = Member.first assert_equal members(:groucho), member @@ -1246,12 +1271,7 @@ class EagerAssociationTest < ActiveRecord::TestCase def test_include_has_many_using_primary_key expected = Firm.find(1).clients_using_primary_key.sort_by(&:name) - # Oracle adapter truncates alias to 30 characters - if current_adapter?(:OracleAdapter) - firm = Firm.all.merge!(includes: :clients_using_primary_key, order: "clients_using_primary_keys_companies"[0, 30] + ".name").find(1) - else - firm = Firm.all.merge!(includes: :clients_using_primary_key, order: "clients_using_primary_keys_companies.name").find(1) - end + firm = Firm.all.merge!(includes: :clients_using_primary_key, order: "clients_using_primary_keys_companies.name").find(1) assert_no_queries do assert_equal expected, firm.clients_using_primary_key end @@ -1333,7 +1353,7 @@ class EagerAssociationTest < ActiveRecord::TestCase def test_joins_with_includes_should_preload_via_joins post = assert_queries(1) { Post.includes(:comments).joins(:comments).order("posts.id desc").to_a.first } - assert_queries(0) do + assert_no_queries do assert_not_equal 0, post.comments.to_a.count end end @@ -1380,11 +1400,24 @@ class EagerAssociationTest < ActiveRecord::TestCase assert_equal expected, FirstPost.unscoped.find(2) end - test "preload ignores the scoping" do - assert_equal( - Comment.find(1).post, - Post.where("1 = 0").scoping { Comment.preload(:post).find(1).post } - ) + test "belongs_to association ignores the scoping" do + post = Comment.find(1).post + + Post.where("1=0").scoping do + assert_equal post, Comment.find(1).post + assert_equal post, Comment.preload(:post).find(1).post + assert_equal post, Comment.eager_load(:post).find(1).post + end + end + + test "has_many association ignores the scoping" do + comments = Post.find(1).comments.to_a + + Comment.where("1=0").scoping do + assert_equal comments, Post.find(1).comments + assert_equal comments, Post.preload(:comments).find(1).comments + assert_equal comments, Post.eager_load(:comments).find(1).comments + end end test "deep preload" do @@ -1571,8 +1604,9 @@ class EagerAssociationTest < ActiveRecord::TestCase # CollectionProxy#reader is expensive, so the preloader avoids calling it. test "preloading has_many_through association avoids calling association.reader" do - ActiveRecord::Associations::HasManyAssociation.any_instance.expects(:reader).never - Author.preload(:readonly_comments).first! + assert_not_called_on_instance_of(ActiveRecord::Associations::HasManyAssociation, :reader) do + Author.preload(:readonly_comments).first! + end end test "preloading through a polymorphic association doesn't require the association to exist" do |