From 7f3b246b99afc8bc6e591c8808a38556c400ad3c Mon Sep 17 00:00:00 2001 From: brainopia Date: Wed, 31 Dec 2014 00:19:09 +0300 Subject: Share foreign_key_present? implementation in _has_ associations --- activerecord/lib/active_record/associations.rb | 1 + .../associations/foreign_association.rb | 11 +++ .../associations/has_many_association.rb | 9 +-- .../associations/has_one_association.rb | 1 + .../associations/has_many_associations_test.rb | 86 +++++++++++++--------- .../associations/has_one_associations_test.rb | 6 ++ 6 files changed, 71 insertions(+), 43 deletions(-) create mode 100644 activerecord/lib/active_record/associations/foreign_association.rb (limited to 'activerecord') diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index cd5fdd5964..14af55f327 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -116,6 +116,7 @@ module ActiveRecord autoload :Association, 'active_record/associations/association' autoload :SingularAssociation, 'active_record/associations/singular_association' autoload :CollectionAssociation, 'active_record/associations/collection_association' + autoload :ForeignAssociation, 'active_record/associations/foreign_association' autoload :CollectionProxy, 'active_record/associations/collection_proxy' autoload :BelongsToAssociation, 'active_record/associations/belongs_to_association' diff --git a/activerecord/lib/active_record/associations/foreign_association.rb b/activerecord/lib/active_record/associations/foreign_association.rb new file mode 100644 index 0000000000..fe48ecec29 --- /dev/null +++ b/activerecord/lib/active_record/associations/foreign_association.rb @@ -0,0 +1,11 @@ +module ActiveRecord::Associations + module ForeignAssociation + def foreign_key_present? + if reflection.klass.primary_key + owner.attribute_present?(reflection.active_record_primary_key) + else + false + end + end + end +end diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb index 93084e0dcf..d7f655d00c 100644 --- a/activerecord/lib/active_record/associations/has_many_association.rb +++ b/activerecord/lib/active_record/associations/has_many_association.rb @@ -6,6 +6,7 @@ module ActiveRecord # If the association has a :through option further specialization # is provided by its child HasManyThroughAssociation. class HasManyAssociation < CollectionAssociation #:nodoc: + include ForeignAssociation def handle_dependency case options[:dependent] @@ -153,14 +154,6 @@ module ActiveRecord end end - def foreign_key_present? - if reflection.klass.primary_key - owner.attribute_present?(reflection.association_primary_key) - else - false - end - end - def concat_records(records, *) update_counter_if_success(super, records.length) end diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb index e6095d84dc..74b8c53758 100644 --- a/activerecord/lib/active_record/associations/has_one_association.rb +++ b/activerecord/lib/active_record/associations/has_one_association.rb @@ -2,6 +2,7 @@ module ActiveRecord # = Active Record Belongs To Has One Association module Associations class HasOneAssociation < SingularAssociation #:nodoc: + include ForeignAssociation def handle_dependency case options[:dependent] diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb index d3b74aa616..21a45042fa 100644 --- a/activerecord/test/cases/associations/has_many_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_associations_test.rb @@ -31,6 +31,8 @@ require 'models/student' require 'models/pirate' require 'models/ship' require 'models/tyre' +require 'models/subscriber' +require 'models/subscription' class HasManyAssociationsTestForReorderWithJoinDependency < ActiveRecord::TestCase fixtures :authors, :posts, :comments @@ -43,12 +45,59 @@ class HasManyAssociationsTestForReorderWithJoinDependency < ActiveRecord::TestCa end end +class HasManyAssociationsTestPrimaryKeys < ActiveRecord::TestCase + fixtures :authors, :essays, :subscribers, :subscriptions, :people + + def test_custom_primary_key_on_new_record_should_fetch_with_query + subscriber = Subscriber.new(nick: 'webster132') + assert !subscriber.subscriptions.loaded? + + assert_queries 1 do + assert_equal 2, subscriber.subscriptions.size + end + + assert_equal subscriber.subscriptions, Subscription.where(subscriber_id: 'webster132') + end + + def test_association_primary_key_on_new_record_should_fetch_with_query + author = Author.new(:name => "David") + assert !author.essays.loaded? + + assert_queries 1 do + assert_equal 1, author.essays.size + end + + assert_equal author.essays, Essay.where(writer_id: "David") + end + + def test_has_many_custom_primary_key + david = authors(:david) + assert_equal david.essays, Essay.where(writer_id: "David") + end + + def test_has_many_assignment_with_custom_primary_key + david = people(:david) + + assert_equal ["A Modest Proposal"], david.essays.map(&:name) + david.essays = [Essay.create!(name: "Remote Work" )] + assert_equal ["Remote Work"], david.essays.map(&:name) + end + + def test_blank_custom_primary_key_on_new_record_should_not_run_queries + author = Author.new + assert !author.essays.loaded? + + assert_queries 0 do + assert_equal 0, author.essays.size + end + end +end class HasManyAssociationsTest < ActiveRecord::TestCase fixtures :accounts, :categories, :companies, :developers, :projects, :developers_projects, :topics, :authors, :comments, - :people, :posts, :readers, :taggings, :cars, :essays, - :categorizations, :jobs, :tags + :posts, :readers, :taggings, :cars, :jobs, :tags, + :categorizations def setup Client.destroyed_client_ids.clear @@ -1578,39 +1627,6 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end end - def test_custom_primary_key_on_new_record_should_fetch_with_query - author = Author.new(:name => "David") - assert !author.essays.loaded? - - assert_queries 1 do - assert_equal 1, author.essays.size - end - - assert_equal author.essays, Essay.where(writer_id: "David") - end - - def test_has_many_custom_primary_key - david = authors(:david) - assert_equal david.essays, Essay.where(writer_id: "David") - end - - def test_has_many_assignment_with_custom_primary_key - david = people(:david) - - assert_equal ["A Modest Proposal"], david.essays.map(&:name) - david.essays = [Essay.create!(name: "Remote Work" )] - assert_equal ["Remote Work"], david.essays.map(&:name) - end - - def test_blank_custom_primary_key_on_new_record_should_not_run_queries - author = Author.new - assert !author.essays.loaded? - - assert_queries 0 do - assert_equal 0, author.essays.size - end - end - def test_calling_first_or_last_with_integer_on_association_should_not_load_association firm = companies(:first_firm) firm.clients.create(:name => 'Foo') diff --git a/activerecord/test/cases/associations/has_one_associations_test.rb b/activerecord/test/cases/associations/has_one_associations_test.rb index a69f7a5262..ddf967b166 100644 --- a/activerecord/test/cases/associations/has_one_associations_test.rb +++ b/activerecord/test/cases/associations/has_one_associations_test.rb @@ -566,6 +566,12 @@ class HasOneAssociationsTest < ActiveRecord::TestCase assert_equal author.post, post end + def test_has_one_loading_for_new_record + post = Post.create!(author_id: 42, title: 'foo', body: 'bar') + author = Author.new(id: 42) + assert author.post + end + def test_has_one_relationship_cannot_have_a_counter_cache assert_raise(ArgumentError) do Class.new(ActiveRecord::Base) do -- cgit v1.2.3