diff options
Diffstat (limited to 'activerecord/test/cases/associations/has_one_through_associations_test.rb')
-rw-r--r-- | activerecord/test/cases/associations/has_one_through_associations_test.rb | 88 |
1 files changed, 82 insertions, 6 deletions
diff --git a/activerecord/test/cases/associations/has_one_through_associations_test.rb b/activerecord/test/cases/associations/has_one_through_associations_test.rb index 5d153147f5..91d3025468 100644 --- a/activerecord/test/cases/associations/has_one_through_associations_test.rb +++ b/activerecord/test/cases/associations/has_one_through_associations_test.rb @@ -9,9 +9,13 @@ require 'models/member_detail' require 'models/minivan' require 'models/dashboard' require 'models/speedometer' +require 'models/author' +require 'models/post' +require 'models/comment' class HasOneThroughAssociationsTest < ActiveRecord::TestCase - fixtures :member_types, :members, :clubs, :memberships, :sponsors, :organizations, :minivans, :dashboards, :speedometers + fixtures :member_types, :members, :clubs, :memberships, :sponsors, :organizations, :minivans, + :dashboards, :speedometers, :authors, :posts, :comments def setup @member = members(:groucho) @@ -21,10 +25,6 @@ class HasOneThroughAssociationsTest < ActiveRecord::TestCase assert_equal clubs(:boring_club), @member.club end - def test_has_one_through_with_has_many - assert_equal clubs(:moustache_club), @member.favourite_club - end - def test_creating_association_creates_through_record new_member = Member.create(:name => "Chris") new_member.club = Club.create(:name => "LRUG") @@ -84,6 +84,18 @@ class HasOneThroughAssociationsTest < ActiveRecord::TestCase assert_not_nil assert_no_queries {members[0].sponsor_club} end + def test_has_one_through_with_conditions_eager_loading + # conditions on the through table + assert_equal clubs(:moustache_club), Member.find(@member.id, :include => :favourite_club).favourite_club + memberships(:membership_of_favourite_club).update_attribute(:favourite, false) + assert_equal nil, Member.find(@member.id, :include => :favourite_club).favourite_club + + # conditions on the source table + assert_equal clubs(:moustache_club), Member.find(@member.id, :include => :hairy_club).hairy_club + clubs(:moustache_club).update_attribute(:name, "Association of Clean-Shaven Persons") + assert_equal nil, Member.find(@member.id, :include => :hairy_club).hairy_club + end + def test_has_one_through_polymorphic_with_source_type assert_equal members(:groucho), clubs(:moustache_club).sponsored_member end @@ -185,7 +197,7 @@ class HasOneThroughAssociationsTest < ActiveRecord::TestCase MemberDetail.find(:all, :include => :member_type) end @new_detail = @member_details[0] - assert @new_detail.loaded_member_type? + assert @new_detail.send(:association_proxy, :member_type).loaded? assert_not_nil assert_no_queries { @new_detail.member_type } end @@ -206,10 +218,74 @@ class HasOneThroughAssociationsTest < ActiveRecord::TestCase end end + def test_through_belongs_to_after_destroy + @member_detail = MemberDetail.new(:extra_data => 'Extra') + @member.member_detail = @member_detail + @member.save! + + assert_not_nil @member_detail.member_type + @member_detail.destroy + assert_queries(1) do + assert_not_nil @member_detail.member_type(true) + end + + @member_detail.member.destroy + assert_queries(1) do + assert_nil @member_detail.member_type(true) + end + end + def test_value_is_properly_quoted minivan = Minivan.find('m1') assert_nothing_raised do minivan.dashboard end end + + def test_has_one_through_with_default_scope_on_join_model + assert_equal posts(:welcome).comments.order('id').first, authors(:david).comment_on_first_post + end + + def test_has_one_through_many_raises_exception + assert_raise(ActiveRecord::HasOneThroughCantAssociateThroughCollection) do + members(:groucho).club_through_many + end + end + + def test_has_one_through_belongs_to_should_update_when_the_through_foreign_key_changes + minivan = minivans(:cool_first) + + minivan.dashboard + proxy = minivan.send(:association_instance_get, :dashboard) + + assert !proxy.stale_target? + assert_equal dashboards(:cool_first), minivan.dashboard + + minivan.speedometer_id = speedometers(:second).id + + assert proxy.stale_target? + assert_equal dashboards(:second), minivan.dashboard + end + + def test_has_one_through_belongs_to_setting_belongs_to_foreign_key_after_nil_target_loaded + minivan = Minivan.new + + minivan.dashboard + proxy = minivan.send(:association_instance_get, :dashboard) + + minivan.speedometer_id = speedometers(:second).id + + assert proxy.stale_target? + assert_equal dashboards(:second), minivan.dashboard + end + + def test_assigning_has_one_through_belongs_to_with_new_record_owner + minivan = Minivan.new + dashboard = dashboards(:cool_first) + + minivan.dashboard = dashboard + + assert_equal dashboard, minivan.dashboard + assert_equal dashboard, minivan.speedometer.dashboard + end end |