diff options
Diffstat (limited to 'activerecord/test/cases/associations/nested_has_many_through_associations_test.rb')
-rw-r--r-- | activerecord/test/cases/associations/nested_has_many_through_associations_test.rb | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/nested_has_many_through_associations_test.rb b/activerecord/test/cases/associations/nested_has_many_through_associations_test.rb new file mode 100644 index 0000000000..a5d3f27702 --- /dev/null +++ b/activerecord/test/cases/associations/nested_has_many_through_associations_test.rb @@ -0,0 +1,54 @@ +require "cases/helper" +require 'models/author' +require 'models/post' +require 'models/person' +require 'models/reference' +require 'models/job' +require 'models/reader' +require 'models/comment' +require 'models/tag' +require 'models/tagging' +require 'models/owner' +require 'models/pet' +require 'models/toy' +require 'models/contract' +require 'models/company' +require 'models/developer' +require 'models/subscriber' +require 'models/book' +require 'models/subscription' + +class NestedHasManyThroughAssociationsTest < ActiveRecord::TestCase + fixtures :authors, :books, :posts, :subscriptions, :subscribers, :tags, :taggings + + def test_has_many_through_a_has_many_through_association_on_source_reflection + author = authors(:david) + assert_equal [tags(:general), tags(:general)], author.tags + end + + def test_has_many_through_a_has_many_through_association_on_through_reflection + author = authors(:david) + assert_equal [subscribers(:first), subscribers(:second), subscribers(:second)], author.subscribers + end + + def test_distinct_has_many_through_a_has_many_through_association_on_source_reflection + author = authors(:david) + assert_equal [tags(:general)], author.distinct_tags + end + + def test_distinct_has_many_through_a_has_many_through_association_on_through_reflection + author = authors(:david) + assert_equal [subscribers(:first), subscribers(:second)], author.distinct_subscribers + end + + def test_nested_has_many_through_with_a_table_referenced_multiple_times + author = authors(:bob) + assert_equal [posts(:misc_by_bob), posts(:misc_by_mary)], author.similar_posts.sort_by(&:id) + end + + def test_nested_has_many_through_as_a_join + # All authors with subscribers where one of the subscribers' nick is 'alterself' + authors = Author.joins(:subscribers).where('subscribers.nick' => 'alterself') + assert_equal [authors(:david)], authors + end +end |