diff options
Diffstat (limited to 'activerecord/test/cases/associations/has_many_through_associations_test.rb')
-rw-r--r-- | activerecord/test/cases/associations/has_many_through_associations_test.rb | 40 |
1 files changed, 38 insertions, 2 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 b703c96ec1..9cc09194dc 100644 --- a/activerecord/test/cases/associations/has_many_through_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb @@ -67,6 +67,31 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase end end + def test_associate_existing_record_twice_should_add_records_twice + post = posts(:thinking) + person = people(:david) + + assert_difference 'post.people.count', 2 do + post.people << person + post.people << person + end + end + + def test_add_two_instance_and_then_deleting + post = posts(:thinking) + person = people(:david) + + post.people << person + post.people << person + + counts = ['post.people.count', 'post.people.to_a.count', 'post.readers.count', 'post.readers.to_a.count'] + assert_difference counts, -2 do + post.people.delete(person) + end + + assert !post.people.reload.include?(person) + end + def test_associating_new assert_queries(1) { posts(:thinking) } new_person = nil # so block binding catches it @@ -503,6 +528,12 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase assert_equal [posts(:welcome).id, posts(:authorless).id].sort, people(:michael).post_ids.sort end + def test_get_ids_for_has_many_through_with_conditions_should_not_preload + Tagging.create!(:taggable_type => 'Post', :taggable_id => posts(:welcome).id, :tag => tags(:misc)) + ActiveRecord::Associations::Preloader.expects(:new).never + posts(:welcome).misc_tag_ids + end + def test_get_ids_for_loaded_associations person = people(:michael) person.posts(true) @@ -707,7 +738,7 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase def test_select_chosen_fields_only author = authors(:david) - assert_equal ['body'], author.comments.select('comments.body').first.attributes.keys + assert_equal ['body', 'id'].sort, author.comments.select('comments.body').first.attributes.keys.sort end def test_get_has_many_through_belongs_to_ids_with_conditions @@ -816,7 +847,7 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase def test_preloading_empty_through_association_via_joins person = Person.create!(:first_name => "Gaga") - person = Person.where(:id => person.id).where('readers.id = 1 or 1=1').includes(:posts).to_a.first + person = Person.where(:id => person.id).where('readers.id = 1 or 1=1').references(:readers).includes(:posts).to_a.first assert person.posts.loaded?, 'person.posts should be loaded' assert_equal [], person.posts @@ -825,4 +856,9 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase def test_explicitly_joining_join_table assert_equal owners(:blackbeard).toys, owners(:blackbeard).toys.with_pet end + + def test_has_many_through_with_polymorphic_source + post = tags(:general).tagged_posts.create! :title => "foo", :body => "bar" + assert_equal [tags(:general)], post.reload.tags + end end |