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author | Olli Jokinen <olli.jokinen@enemy.fi> | 2011-12-01 15:32:59 +0200 |
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committer | Olli Jokinen <olli.jokinen@enemy.fi> | 2011-12-01 15:32:59 +0200 |
commit | b4e1903d23a760028d58bc3bb20a1d491bfd4a4b (patch) | |
tree | a40bdce1bd4800124ab6eaed2a6be017bf9cfd3d /activerecord/test/cases/associations/has_many_through_associations_test.rb | |
parent | fae9ad9c712decef70b379f5aa1faa0149902831 (diff) | |
parent | 1e51cd957e3c90f4be35f1f0c4c380d8f7d40d66 (diff) | |
download | rails-b4e1903d23a760028d58bc3bb20a1d491bfd4a4b.tar.gz rails-b4e1903d23a760028d58bc3bb20a1d491bfd4a4b.tar.bz2 rails-b4e1903d23a760028d58bc3bb20a1d491bfd4a4b.zip |
Merge remote-tracking branch 'upstream/master'
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 | 42 |
1 files changed, 42 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 0b1ba31ac2..7a6aba6a6b 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 @@ -813,4 +838,21 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase assert !c.save end end + + 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 + + assert person.posts.loaded?, 'person.posts should be loaded' + assert_equal [], person.posts + end + + 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 |