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author | Jon Leighton <j@jonathanleighton.com> | 2010-10-12 16:40:24 +0100 |
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committer | Jon Leighton <j@jonathanleighton.com> | 2010-10-12 16:40:24 +0100 |
commit | 1777600e6e11e553ad97b7bc89e4b19e992eb3d3 (patch) | |
tree | 7bdf7c72cf9804d106487f132969e52683a35a3c /activerecord/test/cases/associations | |
parent | 7aea695815821df332913bae4b47714a525009a3 (diff) | |
download | rails-1777600e6e11e553ad97b7bc89e4b19e992eb3d3.tar.gz rails-1777600e6e11e553ad97b7bc89e4b19e992eb3d3.tar.bz2 rails-1777600e6e11e553ad97b7bc89e4b19e992eb3d3.zip |
Support has_one through assocs as the source association
Diffstat (limited to 'activerecord/test/cases/associations')
-rw-r--r-- | activerecord/test/cases/associations/nested_has_many_through_associations_test.rb | 35 |
1 files changed, 32 insertions, 3 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 index 8a4ab627bb..4fab426696 100644 --- a/activerecord/test/cases/associations/nested_has_many_through_associations_test.rb +++ b/activerecord/test/cases/associations/nested_has_many_through_associations_test.rb @@ -18,6 +18,9 @@ require 'models/subscriber' require 'models/book' require 'models/subscription' require 'models/rating' +require 'models/member' +require 'models/member_detail' +require 'models/member_type' # NOTE: Some of these tests might not really test "nested" HMT associations, as opposed to ones which # are just one level deep. But it's all the same thing really, as the "nested" code is being @@ -26,7 +29,8 @@ require 'models/rating' class NestedHasManyThroughAssociationsTest < ActiveRecord::TestCase fixtures :authors, :books, :posts, :subscriptions, :subscribers, :tags, :taggings, - :people, :readers, :references, :jobs, :ratings, :comments + :people, :readers, :references, :jobs, :ratings, :comments, :members, :member_details, + :member_types # Through associations can either use the has_many or has_one macros. # @@ -56,6 +60,9 @@ class NestedHasManyThroughAssociationsTest < ActiveRecord::TestCase authors = Author.joins(:tags).where('tags.id' => tags(:general).id) assert_equal [authors(:david)], authors.uniq + authors = Author.includes(:tags) + assert_equal [tags(:general), tags(:general)], authors.first.tags + # This ensures that the polymorphism of taggings is being observed correctly authors = Author.joins(:tags).where('taggings.taggable_type' => 'FakeModel') assert authors.empty? @@ -71,11 +78,24 @@ class NestedHasManyThroughAssociationsTest < ActiveRecord::TestCase # 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 + + # TODO: Make this work + # authors = Author.includes(:subscribers) + # assert_equal [subscribers(:first), subscribers(:second), subscribers(:second)], authors.first.subscribers end - # TODO: has_many through + # has_many through # Source: has_one through # Through: has_one + def test_has_many_through_has_one_with_has_one_through_source_reflection + assert_equal [member_types(:founding)], members(:groucho).nested_member_types + + members = Member.joins(:nested_member_types).where('member_types.id' => member_types(:founding).id) + assert_equal [members(:groucho)], members + + members = Member.includes(:nested_member_types) + assert_equal [member_types(:founding)], members.first.nested_member_types + end # TODO: has_many through # Source: has_one @@ -105,9 +125,18 @@ class NestedHasManyThroughAssociationsTest < ActiveRecord::TestCase # Source: has_many through # Through: belongs_to - # TODO: has_one through + # has_one through # Source: has_one through # Through: has_one + def test_has_one_through_has_one_with_has_one_through_source_reflection + assert_equal member_types(:founding), members(:groucho).nested_member_type + + members = Member.joins(:nested_member_type).where('member_types.id' => member_types(:founding).id) + assert_equal [members(:groucho)], members + + members = Member.includes(:nested_member_type) + assert_equal member_types(:founding), members.first.nested_member_type + end # TODO: has_one through # Source: belongs_to |