diff options
Diffstat (limited to 'activerecord/test')
-rw-r--r-- | activerecord/test/cases/associations/has_many_through_associations_test.rb | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/has_many_through_associations_test.rb b/activerecord/test/cases/associations/has_many_through_associations_test.rb index 5f52c65412..83365884f5 100644 --- a/activerecord/test/cases/associations/has_many_through_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb @@ -1166,4 +1166,33 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase post_through = organization.posts.build assert_equal post_direct.author_id, post_through.author_id end + + def test_single_has_many_through_association_with_unpersisted_parent_instance + post_with_single_has_many_through = Class.new(Post) do + def self.name; 'PostWithSingleHasManyThrough'; end + has_many :subscriptions, through: :author + end + post = post_with_single_has_many_through.new + post.author = Author.create!(name: 'Federico Morissette') + book = Book.create!(name: 'essays on single has many through associations') + post.author.books << book + subscription = Subscription.first + book.subscriptions << subscription + assert_equal [subscription], post.subscriptions.to_a + end + + def test_nested_has_many_through_association_with_unpersisted_parent_instance + post_with_nested_has_many_through = Class.new(Post) do + def self.name; 'PostWithNestedHasManyThrough'; end + has_many :books, through: :author + has_many :subscriptions, through: :books + end + post = post_with_nested_has_many_through.new + post.author = Author.create!(name: 'Obie Weissnat') + book = Book.create!(name: 'essays on nested single has many through associations') + post.author.books << book + subscription = Subscription.first + book.subscriptions << subscription + assert_equal [subscription], post.subscriptions.to_a + end end |