diff options
Diffstat (limited to 'activerecord/test')
-rw-r--r-- | activerecord/test/cases/associations/eager_test.rb | 32 | ||||
-rw-r--r-- | activerecord/test/models/tag.rb | 6 |
2 files changed, 38 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/eager_test.rb b/activerecord/test/cases/associations/eager_test.rb index 7d8b933992..79e660c7e5 100644 --- a/activerecord/test/cases/associations/eager_test.rb +++ b/activerecord/test/cases/associations/eager_test.rb @@ -743,6 +743,38 @@ class EagerAssociationTest < ActiveRecord::TestCase } end + def test_eager_has_many_through_with_order + tag = OrderedTag.create(name: 'Foo') + post1 = Post.create!(title: 'Beaches', body: "I like beaches!") + post2 = Post.create!(title: 'Pools', body: "I like pools!") + + Tagging.create!(taggable_type: 'Post', taggable_id: post1.id, tag: tag) + Tagging.create!(taggable_type: 'Post', taggable_id: post2.id, tag: tag) + + tag_with_includes = OrderedTag.includes(:tagged_posts).find(tag.id) + assert_equal(tag_with_includes.taggings.map(&:taggable).map(&:title), tag_with_includes.tagged_posts.map(&:title)) + end + + def test_eager_has_many_through_multiple_with_order + tag1 = OrderedTag.create!(name: 'Bar') + tag2 = OrderedTag.create!(name: 'Foo') + + post1 = Post.create!(title: 'Beaches', body: "I like beaches!") + post2 = Post.create!(title: 'Pools', body: "I like pools!") + + Tagging.create!(taggable: post1, tag: tag1) + Tagging.create!(taggable: post2, tag: tag1) + Tagging.create!(taggable: post2, tag: tag2) + Tagging.create!(taggable: post1, tag: tag2) + + tags_with_includes = OrderedTag.where(id: [tag1, tag2].map(&:id)).includes(:tagged_posts).order(:id).to_a + tag1_with_includes = tags_with_includes.first + tag2_with_includes = tags_with_includes.last + + assert_equal([post2, post1].map(&:title), tag1_with_includes.tagged_posts.map(&:title)) + assert_equal([post1, post2].map(&:title), tag2_with_includes.tagged_posts.map(&:title)) + end + def test_eager_with_default_scope developer = EagerDeveloperWithDefaultScope.where(:name => 'David').first projects = Project.order(:id).to_a diff --git a/activerecord/test/models/tag.rb b/activerecord/test/models/tag.rb index 80d4725f7e..b48b9a2155 100644 --- a/activerecord/test/models/tag.rb +++ b/activerecord/test/models/tag.rb @@ -5,3 +5,9 @@ class Tag < ActiveRecord::Base has_many :tagged_posts, :through => :taggings, :source => 'taggable', :source_type => 'Post' end + +class OrderedTag < Tag + self.table_name = "tags" + + has_many :taggings, -> { order('taggings.id DESC') }, foreign_key: 'tag_id' +end |