diff options
Diffstat (limited to 'activerecord/test/cases/associations/has_many_associations_test.rb')
| -rw-r--r-- | activerecord/test/cases/associations/has_many_associations_test.rb | 557 |
1 files changed, 401 insertions, 156 deletions
diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb index ede3a44090..a2f6174dc1 100644 --- a/activerecord/test/cases/associations/has_many_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_associations_test.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + require "cases/helper" require "models/developer" require "models/computer" @@ -25,7 +27,6 @@ require "models/categorization" require "models/minivan" require "models/speedometer" require "models/reference" -require "models/job" require "models/college" require "models/student" require "models/pirate" @@ -40,7 +41,7 @@ require "models/zine" require "models/interest" class HasManyAssociationsTestForReorderWithJoinDependency < ActiveRecord::TestCase - fixtures :authors, :posts, :comments + fixtures :authors, :author_addresses, :posts, :comments def test_should_generate_valid_sql author = authors(:david) @@ -51,33 +52,44 @@ class HasManyAssociationsTestForReorderWithJoinDependency < ActiveRecord::TestCa end class HasManyAssociationsTestPrimaryKeys < ActiveRecord::TestCase - fixtures :authors, :essays, :subscribers, :subscriptions, :people + fixtures :authors, :author_addresses, :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_not_predicate subscriber.subscriptions, :loaded? assert_queries 1 do assert_equal 2, subscriber.subscriptions.size end - assert_equal subscriber.subscriptions, Subscription.where(subscriber_id: "webster132") + assert_equal Subscription.where(subscriber_id: "webster132"), subscriber.subscriptions end def test_association_primary_key_on_new_record_should_fetch_with_query author = Author.new(name: "David") - assert !author.essays.loaded? + assert_not_predicate author.essays, :loaded? assert_queries 1 do assert_equal 1, author.essays.size end - assert_equal author.essays, Essay.where(writer_id: "David") + assert_equal Essay.where(writer_id: "David"), author.essays end def test_has_many_custom_primary_key david = authors(:david) - assert_equal david.essays, Essay.where(writer_id: "David") + assert_equal Essay.where(writer_id: "David"), david.essays + end + + def test_ids_on_unloaded_association_with_custom_primary_key + david = people(:david) + assert_equal Essay.where(writer_id: "David").pluck(:id), david.essay_ids + end + + def test_ids_on_loaded_association_with_custom_primary_key + david = people(:david) + david.essays.load + assert_equal Essay.where(writer_id: "David").pluck(:id), david.essay_ids end def test_has_many_assignment_with_custom_primary_key @@ -90,7 +102,7 @@ class HasManyAssociationsTestPrimaryKeys < ActiveRecord::TestCase def test_blank_custom_primary_key_on_new_record_should_not_run_queries author = Author.new - assert !author.essays.loaded? + assert_not_predicate author.essays, :loaded? assert_queries 0 do assert_equal 0, author.essays.size @@ -100,8 +112,8 @@ end class HasManyAssociationsTest < ActiveRecord::TestCase fixtures :accounts, :categories, :companies, :developers, :projects, - :developers_projects, :topics, :authors, :comments, - :posts, :readers, :taggings, :cars, :jobs, :tags, + :developers_projects, :topics, :authors, :author_addresses, :comments, + :posts, :readers, :taggings, :cars, :tags, :categorizations, :zines, :interests def setup @@ -188,7 +200,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase part.reload assert_nil part.ship - assert !part.updated_at_changed? + assert_not_predicate part, :updated_at_changed? end def test_create_from_association_should_respect_default_scope @@ -241,6 +253,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal "defaulty", bulb.name end + def test_build_from_association_sets_inverse_instance + car = Car.new(name: "honda") + + bulb = car.bulbs.build + assert_equal car, bulb.car + end + def test_do_not_call_callbacks_for_delete_all car = Car.create(name: "honda") car.funky_bulbs.create! @@ -357,6 +376,27 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal invoice.id, line_item.invoice_id end + class SpecialAuthor < ActiveRecord::Base + self.table_name = "authors" + has_many :books, class_name: "SpecialBook", foreign_key: :author_id + end + + class SpecialBook < ActiveRecord::Base + self.table_name = "books" + + belongs_to :author + enum read_status: { unread: 0, reading: 2, read: 3, forgotten: nil } + end + + def test_association_enum_works_properly + author = SpecialAuthor.create!(name: "Test") + book = SpecialBook.create!(read_status: "reading") + author.books << book + + assert_equal "reading", book.read_status + assert_not_equal 0, SpecialAuthor.joins(:books).where(books: { read_status: "reading" }).count + end + # When creating objects on the association, we must not do it within a scope (even though it # would be convenient), because this would cause that scope to be applied to any callbacks etc. def test_build_and_create_should_not_happen_within_scope @@ -424,7 +464,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase new_clients << company.clients_of_firm.build(name: "Another Client III") end - assert_not company.clients_of_firm.loaded? + assert_not_predicate company.clients_of_firm, :loaded? assert_queries(1) do assert_same new_clients[0], company.clients_of_firm.third assert_same new_clients[1], company.clients_of_firm.fourth @@ -444,7 +484,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase new_clients << company.clients_of_firm.build(name: "Another Client III") end - assert_not company.clients_of_firm.loaded? + assert_not_predicate company.clients_of_firm, :loaded? assert_queries(1) do assert_same new_clients[0], company.clients_of_firm.third! assert_same new_clients[1], company.clients_of_firm.fourth! @@ -456,7 +496,10 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_create_resets_cached_counters + Reader.delete_all + person = Person.create!(first_name: "tenderlove") + post = Post.first assert_equal [], person.readers @@ -474,8 +517,6 @@ class HasManyAssociationsTest < ActiveRecord::TestCase person = Person.new person.first_name = "Naruto" person.references << Reference.new - person.id = 10 - person.references person.save! assert_equal 1, person.references.update_all(favourite: true) end @@ -484,27 +525,24 @@ class HasManyAssociationsTest < ActiveRecord::TestCase person = Person.new person.first_name = "Sasuke" person.references << Reference.new - person.id = 10 - person.references person.save! assert_predicate person.references, :exists? end - # sometimes tests on Oracle fail if ORDER BY is not provided therefore add always :order with :first def test_counting_with_counter_sql - assert_equal 3, Firm.all.merge!(order: "id").first.clients.count + assert_equal 3, Firm.first.clients.count end def test_counting - assert_equal 3, Firm.all.merge!(order: "id").first.plain_clients.count + assert_equal 3, Firm.first.plain_clients.count end def test_counting_with_single_hash - assert_equal 1, Firm.all.merge!(order: "id").first.plain_clients.where(name: "Microsoft").count + assert_equal 1, Firm.first.plain_clients.where(name: "Microsoft").count end def test_counting_with_column_name_and_hash - assert_equal 3, Firm.all.merge!(order: "id").first.plain_clients.count(:name) + assert_equal 3, Firm.first.plain_clients.count(:name) end def test_counting_with_association_limit @@ -514,7 +552,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_finding - assert_equal 3, Firm.all.merge!(order: "id").first.clients.length + assert_equal 3, Firm.first.clients.length end def test_finding_array_compatibility @@ -554,17 +592,25 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_taking_with_a_number + klass = Class.new(Author) do + has_many :posts, -> { order(:id) } + + def self.name + "Author" + end + end + # taking from unloaded Relation - bob = Author.find(authors(:bob).id) + bob = klass.find(authors(:bob).id) new_post = bob.posts.build - assert_not bob.posts.loaded? + assert_not_predicate bob.posts, :loaded? assert_equal [posts(:misc_by_bob)], bob.posts.take(1) assert_equal [posts(:misc_by_bob), posts(:other_by_bob)], bob.posts.take(2) assert_equal [posts(:misc_by_bob), posts(:other_by_bob), new_post], bob.posts.take(3) # taking from loaded Relation bob.posts.load - assert bob.posts.loaded? + assert_predicate bob.posts, :loaded? assert_equal [posts(:misc_by_bob)], bob.posts.take(1) assert_equal [posts(:misc_by_bob), posts(:other_by_bob)], bob.posts.take(2) assert_equal [posts(:misc_by_bob), posts(:other_by_bob), new_post], bob.posts.take(3) @@ -586,27 +632,27 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_finding_default_orders - assert_equal "Summit", Firm.all.merge!(order: "id").first.clients.first.name + assert_equal "Summit", Firm.first.clients.first.name end def test_finding_with_different_class_name_and_order - assert_equal "Apex", Firm.all.merge!(order: "id").first.clients_sorted_desc.first.name + assert_equal "Apex", Firm.first.clients_sorted_desc.first.name end def test_finding_with_foreign_key - assert_equal "Microsoft", Firm.all.merge!(order: "id").first.clients_of_firm.first.name + assert_equal "Microsoft", Firm.first.clients_of_firm.first.name end def test_finding_with_condition - assert_equal "Microsoft", Firm.all.merge!(order: "id").first.clients_like_ms.first.name + assert_equal "Microsoft", Firm.first.clients_like_ms.first.name end def test_finding_with_condition_hash - assert_equal "Microsoft", Firm.all.merge!(order: "id").first.clients_like_ms_with_hash_conditions.first.name + assert_equal "Microsoft", Firm.first.clients_like_ms_with_hash_conditions.first.name end def test_finding_using_primary_key - assert_equal "Summit", Firm.all.merge!(order: "id").first.clients_using_primary_key.first.name + assert_equal "Summit", Firm.first.clients_using_primary_key.first.name end def test_update_all_on_association_accessed_before_save @@ -629,7 +675,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_find_ids - firm = Firm.all.merge!(order: "id").first + firm = Firm.first assert_raise(ActiveRecord::RecordNotFound) { firm.clients.find } @@ -649,7 +695,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_find_one_message_on_primary_key - firm = Firm.all.merge!(order: "id").first + firm = Firm.first e = assert_raises(ActiveRecord::RecordNotFound) do firm.clients.find(0) @@ -675,7 +721,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_find_all - firm = Firm.all.merge!(order: "id").first + firm = Firm.first assert_equal 3, firm.clients.where("#{QUOTED_TYPE} = 'Client'").to_a.length assert_equal 1, firm.clients.where("name = 'Summit'").to_a.length end @@ -683,13 +729,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_find_each firm = companies(:first_firm) - assert ! firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? assert_queries(4) do firm.clients.find_each(batch_size: 1) { |c| assert_equal firm.id, c.firm_id } end - assert ! firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? end def test_find_each_with_conditions @@ -702,13 +748,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end end - assert ! firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? end def test_find_in_batches firm = companies(:first_firm) - assert ! firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? assert_queries(2) do firm.clients.find_in_batches(batch_size: 2) do |clients| @@ -716,29 +762,63 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end end - assert ! firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? end def test_find_all_sanitized - # sometimes tests on Oracle fail if ORDER BY is not provided therefore add always :order with :first - firm = Firm.all.merge!(order: "id").first + firm = Firm.first summit = firm.clients.where("name = 'Summit'").to_a assert_equal summit, firm.clients.where("name = ?", "Summit").to_a assert_equal summit, firm.clients.where("name = :name", name: "Summit").to_a end def test_find_first - firm = Firm.all.merge!(order: "id").first + firm = Firm.first client2 = Client.find(2) assert_equal firm.clients.first, firm.clients.order("id").first assert_equal client2, firm.clients.where("#{QUOTED_TYPE} = 'Client'").order("id").first end def test_find_first_sanitized - firm = Firm.all.merge!(order: "id").first + firm = Firm.first client2 = Client.find(2) - assert_equal client2, firm.clients.merge!(where: ["#{QUOTED_TYPE} = ?", "Client"], order: "id").first - assert_equal client2, firm.clients.merge!(where: ["#{QUOTED_TYPE} = :type", { type: "Client" }], order: "id").first + assert_equal client2, firm.clients.where("#{QUOTED_TYPE} = ?", "Client").first + assert_equal client2, firm.clients.where("#{QUOTED_TYPE} = :type", type: "Client").first + end + + def test_find_first_after_reset_scope + firm = Firm.first + collection = firm.clients + + original_object = collection.first + assert_same original_object, collection.first, "Expected second call to #first to cache the same object" + + # It should return a different object, since the association has been reloaded + assert_not_same original_object, firm.clients.first, "Expected #first to return a new object" + end + + def test_find_first_after_reset + firm = Firm.first + collection = firm.clients + + original_object = collection.first + assert_same original_object, collection.first, "Expected second call to #first to cache the same object" + collection.reset + + # It should return a different object, since the association has been reloaded + assert_not_same original_object, collection.first, "Expected #first after #reset to return a new object" + end + + def test_find_first_after_reload + firm = Firm.first + collection = firm.clients + + original_object = collection.first + assert_same original_object, collection.first, "Expected second call to #first to cache the same object" + collection.reload + + # It should return a different object, since the association has been reloaded + assert_not_same original_object, collection.first, "Expected #first after #reload to return a new object" end def test_find_all_with_include_and_conditions @@ -767,7 +847,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_find_scoped_grouped_having - assert_equal 1, authors(:david).popular_grouped_posts.length + assert_equal 2, authors(:david).popular_grouped_posts.length assert_equal 0, authors(:mary).popular_grouped_posts.length end @@ -783,6 +863,12 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal [1], posts(:welcome).comments.select { |c| c.id == 1 }.map(&:id) end + def test_select_with_block_and_dirty_target + assert_equal 2, posts(:welcome).comments.select { true }.size + posts(:welcome).comments.build + assert_equal 3, posts(:welcome).comments.select { true }.size + end + def test_select_without_foreign_key assert_equal companies(:first_firm).accounts.first.credit_limit, companies(:first_firm).accounts.select(:credit_limit).first.credit_limit end @@ -827,7 +913,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_create_with_bang_on_has_many_raises_when_record_not_saved assert_raise(ActiveRecord::RecordInvalid) do - firm = Firm.all.merge!(order: "id").first + firm = Firm.first firm.plain_clients.create! end end @@ -885,20 +971,20 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_new_aliased_to_build company = companies(:first_firm) new_client = assert_no_queries(ignore_none: false) { company.clients_of_firm.new("name" => "Another Client") } - assert !company.clients_of_firm.loaded? + assert_not_predicate company.clients_of_firm, :loaded? assert_equal "Another Client", new_client.name - assert !new_client.persisted? + assert_not_predicate new_client, :persisted? assert_equal new_client, company.clients_of_firm.last end def test_build company = companies(:first_firm) new_client = assert_no_queries(ignore_none: false) { company.clients_of_firm.build("name" => "Another Client") } - assert !company.clients_of_firm.loaded? + assert_not_predicate company.clients_of_firm, :loaded? assert_equal "Another Client", new_client.name - assert !new_client.persisted? + assert_not_predicate new_client, :persisted? assert_equal new_client, company.clients_of_firm.last end @@ -912,9 +998,29 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_collection_not_empty_after_building company = companies(:first_firm) - assert_predicate company.contracts, :empty? + assert_empty company.contracts company.contracts.build - assert_not_predicate company.contracts, :empty? + assert_not_empty company.contracts + end + + def test_collection_size_with_dirty_target + post = posts(:thinking) + assert_equal [], post.reader_ids + assert_equal 0, post.readers.size + post.readers.reset + post.readers.build + assert_equal [nil], post.reader_ids + assert_equal 1, post.readers.size + end + + def test_collection_empty_with_dirty_target + post = posts(:thinking) + assert_equal [], post.reader_ids + assert_empty post.readers + post.readers.reset + post.readers.build + assert_equal [nil], post.reader_ids + assert_not_empty post.readers end def test_collection_size_twice_for_regressions @@ -938,7 +1044,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_build_followed_by_save_does_not_load_target companies(:first_firm).clients_of_firm.build("name" => "Another Client") assert companies(:first_firm).save - assert !companies(:first_firm).clients_of_firm.loaded? + assert_not_predicate companies(:first_firm).clients_of_firm, :loaded? end def test_build_without_loading_association @@ -958,10 +1064,10 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_build_via_block company = companies(:first_firm) new_client = assert_no_queries(ignore_none: false) { company.clients_of_firm.build { |client| client.name = "Another Client" } } - assert !company.clients_of_firm.loaded? + assert_not_predicate company.clients_of_firm, :loaded? assert_equal "Another Client", new_client.name - assert !new_client.persisted? + assert_not_predicate new_client, :persisted? assert_equal new_client, company.clients_of_firm.last end @@ -999,7 +1105,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_predicate companies(:first_firm).clients_of_firm, :loaded? new_client = companies(:first_firm).clients_of_firm.create("name" => "Another Client") - assert new_client.persisted? + assert_predicate new_client, :persisted? assert_equal new_client, companies(:first_firm).clients_of_firm.last assert_equal new_client, companies(:first_firm).clients_of_firm.reload.last end @@ -1012,7 +1118,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_create_followed_by_save_does_not_load_target companies(:first_firm).clients_of_firm.create("name" => "Another Client") assert companies(:first_firm).save - assert !companies(:first_firm).clients_of_firm.loaded? + assert_not_predicate companies(:first_firm).clients_of_firm, :loaded? end def test_deleting @@ -1038,7 +1144,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase # option is not given on the association. ship = Ship.create(name: "Countless", treasures_count: 10) - assert_not Ship.reflect_on_association(:treasures).has_cached_counter? + assert_not_predicate Ship.reflect_on_association(:treasures), :has_cached_counter? # Count should come from sql count() of treasures rather than treasures_count attribute assert_equal ship.treasures.size, 0 @@ -1129,7 +1235,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_calling_empty_with_counter_cache post = posts(:welcome) assert_queries(0) do - assert_not post.comments.empty? + assert_not_empty post.comments end end @@ -1141,20 +1247,20 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end end - def test_calling_update_attributes_on_id_changes_the_counter_cache + def test_calling_update_on_id_changes_the_counter_cache topic = Topic.order("id ASC").first original_count = topic.replies.to_a.size assert_equal original_count, topic.replies_count first_reply = topic.replies.first - first_reply.update_attributes(parent_id: nil) + first_reply.update(parent_id: nil) assert_equal original_count - 1, topic.reload.replies_count - first_reply.update_attributes(parent_id: topic.id) + first_reply.update(parent_id: topic.id) assert_equal original_count, topic.reload.replies_count end - def test_calling_update_attributes_changing_ids_doesnt_change_counter_cache + def test_calling_update_changing_ids_doesnt_change_counter_cache topic1 = Topic.find(1) topic2 = Topic.find(3) original_count1 = topic1.replies.to_a.size @@ -1163,11 +1269,11 @@ class HasManyAssociationsTest < ActiveRecord::TestCase reply1 = topic1.replies.first reply2 = topic2.replies.first - reply1.update_attributes(parent_id: topic2.id) + reply1.update(parent_id: topic2.id) assert_equal original_count1 - 1, topic1.reload.replies_count assert_equal original_count2 + 1, topic2.reload.replies_count - reply2.update_attributes(parent_id: topic1.id) + reply2.update(parent_id: topic1.id) assert_equal original_count1, topic1.reload.replies_count assert_equal original_count2, topic2.reload.replies_count end @@ -1349,7 +1455,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase Client.create(client_of: firm.id, name: "SmallTime Inc.") # only one of two clients is included in the association due to the :conditions key assert_equal 2, Client.where(client_of: firm.id).size - assert_equal 1, firm.dependent_sanitized_conditional_clients_of_firm.size + assert_equal 1, firm.dependent_hash_conditional_clients_of_firm.size firm.destroy # only the correctly associated client should have been deleted assert_equal 1, Client.where(client_of: firm.id).size @@ -1371,13 +1477,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_creation_respects_hash_condition ms_client = companies(:first_firm).clients_like_ms_with_hash_conditions.build - assert ms_client.save - assert_equal "Microsoft", ms_client.name + assert ms_client.save + assert_equal "Microsoft", ms_client.name another_ms_client = companies(:first_firm).clients_like_ms_with_hash_conditions.create - assert another_ms_client.persisted? - assert_equal "Microsoft", another_ms_client.name + assert_predicate another_ms_client, :persisted? + assert_equal "Microsoft", another_ms_client.name end def test_clearing_without_initial_access @@ -1488,7 +1594,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_predicate companies(:first_firm).clients_of_firm, :loaded? clients = companies(:first_firm).clients_of_firm.to_a - assert !clients.empty?, "37signals has clients after load" + assert_not clients.empty?, "37signals has clients after load" destroyed = companies(:first_firm).clients_of_firm.destroy_all assert_equal clients.sort_by(&:id), destroyed.sort_by(&:id) assert destroyed.all?(&:frozen?), "destroyed clients should be frozen" @@ -1500,7 +1606,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase firm = companies(:first_firm) assert_equal 3, firm.clients.size firm.destroy - assert Client.all.merge!(where: "firm_id=#{firm.id}").to_a.empty? + assert_empty Client.all.merge!(where: "firm_id=#{firm.id}").to_a end def test_dependence_for_associations_with_hash_condition @@ -1509,8 +1615,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_destroy_dependent_when_deleted_from_association - # sometimes tests on Oracle fail if ORDER BY is not provided therefore add always :order with :first - firm = Firm.all.merge!(order: "id").first + firm = Firm.first assert_equal 3, firm.clients.size client = firm.clients.first @@ -1564,7 +1669,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase firm = RestrictedWithExceptionFirm.create!(name: "restrict") firm.companies.create(name: "child") - assert !firm.companies.empty? + assert_not_empty firm.companies assert_raise(ActiveRecord::DeleteRestrictionError) { firm.destroy } assert RestrictedWithExceptionFirm.exists?(name: "restrict") assert firm.companies.exists?(name: "child") @@ -1574,11 +1679,11 @@ class HasManyAssociationsTest < ActiveRecord::TestCase firm = RestrictedWithErrorFirm.create!(name: "restrict") firm.companies.create(name: "child") - assert !firm.companies.empty? + assert_not_empty firm.companies firm.destroy - assert !firm.errors.empty? + assert_not_empty firm.errors assert_equal "Cannot delete record because dependent companies exist", firm.errors[:base].first assert RestrictedWithErrorFirm.exists?(name: "restrict") @@ -1591,11 +1696,11 @@ class HasManyAssociationsTest < ActiveRecord::TestCase firm = RestrictedWithErrorFirm.create!(name: "restrict") firm.companies.create(name: "child") - assert !firm.companies.empty? + assert_not_empty firm.companies firm.destroy - assert !firm.errors.empty? + assert_not_empty firm.errors assert_equal "Cannot delete record because dependent client companies exist", firm.errors[:base].first assert RestrictedWithErrorFirm.exists?(name: "restrict") @@ -1620,7 +1725,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_replace_with_less - firm = Firm.all.merge!(order: "id").first + firm = Firm.first firm.clients = [companies(:first_client)] assert firm.save, "Could not save firm" firm.reload @@ -1634,7 +1739,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_replace_with_new - firm = Firm.all.merge!(order: "id").first + firm = Firm.first firm.clients = [companies(:second_client), Client.new("name" => "New Client")] firm.save firm.reload @@ -1647,8 +1752,8 @@ class HasManyAssociationsTest < ActiveRecord::TestCase account = Account.new orig_accounts = firm.accounts.to_a - assert !account.valid? - assert !orig_accounts.empty? + assert_not_predicate account, :valid? + assert_not_empty orig_accounts error = assert_raise ActiveRecord::RecordNotSaved do firm.accounts = [account] end @@ -1706,9 +1811,9 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_get_ids_for_unloaded_associations_does_not_load_them company = companies(:first_firm) - assert !company.clients.loaded? + assert_not_predicate company.clients, :loaded? assert_equal [companies(:first_client).id, companies(:second_client).id, companies(:another_first_firm_client).id], company.client_ids - assert !company.clients.loaded? + assert_not_predicate company.clients, :loaded? end def test_counter_cache_on_unloaded_association @@ -1773,6 +1878,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase ].each { |block| assert_raise(ActiveRecord::HasManyThroughCantAssociateThroughHasOneOrManyReflection, &block) } end + def test_associations_order_should_be_priority_over_throughs_order + david = authors(:david) + expected = [12, 10, 9, 8, 7, 6, 5, 3, 2, 1] + assert_equal expected, david.comments_desc.map(&:id) + assert_equal expected, Author.includes(:comments_desc).find(david.id).comments_desc.map(&:id) + end + def test_dynamic_find_should_respect_association_order_for_through assert_equal Comment.find(10), authors(:david).comments_desc.where("comments.type = 'SpecialComment'").first assert_equal Comment.find(10), authors(:david).comments_desc.find_by_type("SpecialComment") @@ -1790,7 +1902,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase client = firm.clients.first assert_no_queries do - assert firm.clients.loaded? + assert_predicate firm.clients, :loaded? assert_equal true, firm.clients.include?(client) end end @@ -1800,18 +1912,18 @@ class HasManyAssociationsTest < ActiveRecord::TestCase client = firm.clients.first firm.reload - assert ! firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? assert_queries(1) do assert_equal true, firm.clients.include?(client) end - assert ! firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? end def test_include_returns_false_for_non_matching_record_to_verify_scoping firm = companies(:first_firm) client = Client.create!(name: "Not Associated") - assert ! firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? assert_equal false, firm.clients.include?(client) end @@ -1820,13 +1932,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase firm.clients.first firm.clients.second firm.clients.last - assert !firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? end def test_calling_first_or_last_on_loaded_association_should_not_fetch_with_query firm = companies(:first_firm) firm.clients.load_target - assert firm.clients.loaded? + assert_predicate firm.clients, :loaded? assert_no_queries(ignore_none: false) do firm.clients.first @@ -1839,7 +1951,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_calling_first_or_last_on_existing_record_with_build_should_load_association firm = companies(:first_firm) firm.clients.build(name: "Foo") - assert !firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? assert_queries 1 do firm.clients.first @@ -1847,13 +1959,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase firm.clients.last end - assert firm.clients.loaded? + assert_predicate firm.clients, :loaded? end def test_calling_first_nth_or_last_on_existing_record_with_create_should_not_load_association firm = companies(:first_firm) firm.clients.create(name: "Foo") - assert !firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? assert_queries 3 do firm.clients.first @@ -1861,7 +1973,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase firm.clients.last end - assert !firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? end def test_calling_first_nth_or_last_on_new_record_should_not_run_queries @@ -1877,14 +1989,14 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_calling_first_or_last_with_integer_on_association_should_not_load_association firm = companies(:first_firm) firm.clients.create(name: "Foo") - assert !firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? assert_queries 2 do firm.clients.first(2) firm.clients.last(2) end - assert !firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? end def test_calling_many_should_count_instead_of_loading_association @@ -1892,37 +2004,38 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_queries(1) do firm.clients.many? # use count query end - assert !firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? end def test_calling_many_on_loaded_association_should_not_use_query firm = companies(:first_firm) - firm.clients.collect # force load + firm.clients.load # force load assert_no_queries { assert firm.clients.many? } end def test_calling_many_should_defer_to_collection_if_using_a_block firm = companies(:first_firm) assert_queries(1) do - firm.clients.expects(:size).never - firm.clients.many? { true } + assert_not_called(firm.clients, :size) do + firm.clients.many? { true } + end end - assert firm.clients.loaded? + assert_predicate firm.clients, :loaded? end def test_calling_many_should_return_false_if_none_or_one firm = companies(:another_firm) - assert !firm.clients_like_ms.many? + assert_not_predicate firm.clients_like_ms, :many? assert_equal 0, firm.clients_like_ms.size firm = companies(:first_firm) - assert !firm.limited_clients.many? + assert_not_predicate firm.limited_clients, :many? assert_equal 1, firm.limited_clients.size end def test_calling_many_should_return_true_if_more_than_one firm = companies(:first_firm) - assert firm.clients.many? + assert_predicate firm.clients, :many? assert_equal 3, firm.clients.size end @@ -1931,33 +2044,34 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_queries(1) do firm.clients.none? # use count query end - assert !firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? end def test_calling_none_on_loaded_association_should_not_use_query firm = companies(:first_firm) - firm.clients.collect # force load - assert_no_queries { assert ! firm.clients.none? } + firm.clients.load # force load + assert_no_queries { assert_not firm.clients.none? } end def test_calling_none_should_defer_to_collection_if_using_a_block firm = companies(:first_firm) assert_queries(1) do - firm.clients.expects(:size).never - firm.clients.none? { true } + assert_not_called(firm.clients, :size) do + firm.clients.none? { true } + end end - assert firm.clients.loaded? + assert_predicate firm.clients, :loaded? end def test_calling_none_should_return_true_if_none firm = companies(:another_firm) - assert firm.clients_like_ms.none? + assert_predicate firm.clients_like_ms, :none? assert_equal 0, firm.clients_like_ms.size end def test_calling_none_should_return_false_if_any firm = companies(:first_firm) - assert !firm.limited_clients.none? + assert_not_predicate firm.limited_clients, :none? assert_equal 1, firm.limited_clients.size end @@ -1966,39 +2080,40 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_queries(1) do firm.clients.one? # use count query end - assert !firm.clients.loaded? + assert_not_predicate firm.clients, :loaded? end def test_calling_one_on_loaded_association_should_not_use_query firm = companies(:first_firm) - firm.clients.collect # force load - assert_no_queries { assert ! firm.clients.one? } + firm.clients.load # force load + assert_no_queries { assert_not firm.clients.one? } end def test_calling_one_should_defer_to_collection_if_using_a_block firm = companies(:first_firm) assert_queries(1) do - firm.clients.expects(:size).never - firm.clients.one? { true } + assert_not_called(firm.clients, :size) do + firm.clients.one? { true } + end end - assert firm.clients.loaded? + assert_predicate firm.clients, :loaded? end def test_calling_one_should_return_false_if_zero firm = companies(:another_firm) - assert ! firm.clients_like_ms.one? + assert_not_predicate firm.clients_like_ms, :one? assert_equal 0, firm.clients_like_ms.size end def test_calling_one_should_return_true_if_one firm = companies(:first_firm) - assert firm.limited_clients.one? + assert_predicate firm.limited_clients, :one? assert_equal 1, firm.limited_clients.size end def test_calling_one_should_return_false_if_more_than_one firm = companies(:first_firm) - assert ! firm.clients.one? + assert_not_predicate firm.clients, :one? assert_equal 3, firm.clients.size end @@ -2020,9 +2135,10 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_association_proxy_transaction_method_starts_transaction_in_association_class - Comment.expects(:transaction) - Post.first.comments.transaction do - # nothing + assert_called(Comment, :transaction) do + Post.first.comments.transaction do + # nothing + end end end @@ -2031,34 +2147,36 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal client_association.new.attributes, client_association.send(:new).attributes end - def test_respond_to_private_class_methods - client_association = companies(:first_firm).clients - assert !client_association.respond_to?(:private_method) - assert client_association.respond_to?(:private_method, true) - end - def test_creating_using_primary_key - firm = Firm.all.merge!(order: "id").first + firm = Firm.first client = firm.clients_using_primary_key.create!(name: "test") assert_equal firm.name, client.firm_name end def test_defining_has_many_association_with_delete_all_dependency_lazily_evaluates_target_class - ActiveRecord::Reflection::AssociationReflection.any_instance.expects(:class_name).never - class_eval(<<-EOF, __FILE__, __LINE__ + 1) - class DeleteAllModel < ActiveRecord::Base - has_many :nonentities, :dependent => :delete_all - end - EOF + assert_not_called_on_instance_of( + ActiveRecord::Reflection::AssociationReflection, + :class_name, + ) do + class_eval(<<-EOF, __FILE__, __LINE__ + 1) + class DeleteAllModel < ActiveRecord::Base + has_many :nonentities, :dependent => :delete_all + end + EOF + end end def test_defining_has_many_association_with_nullify_dependency_lazily_evaluates_target_class - ActiveRecord::Reflection::AssociationReflection.any_instance.expects(:class_name).never - class_eval(<<-EOF, __FILE__, __LINE__ + 1) - class NullifyModel < ActiveRecord::Base - has_many :nonentities, :dependent => :nullify - end - EOF + assert_not_called_on_instance_of( + ActiveRecord::Reflection::AssociationReflection, + :class_name, + ) do + class_eval(<<-EOF, __FILE__, __LINE__ + 1) + class NullifyModel < ActiveRecord::Base + has_many :nonentities, :dependent => :nullify + end + EOF + end end def test_attributes_are_being_set_when_initialized_from_has_many_association_with_where_clause @@ -2140,6 +2258,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal "Post", tagging.taggable_type end + def test_build_from_polymorphic_association_sets_inverse_instance + post = Post.new + tagging = post.taggings.build + + assert_equal post, tagging.taggable + end + def test_dont_call_save_callbacks_twice_on_has_many firm = companies(:first_firm) contract = firm.contracts.create! @@ -2217,7 +2342,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase post = posts(:welcome) assert post.taggings_with_delete_all.count > 0 - assert !post.taggings_with_delete_all.loaded? + assert_not_predicate post.taggings_with_delete_all, :loaded? # 2 queries: one DELETE and another to update the counter cache assert_queries(2) do @@ -2239,7 +2364,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase test "collection proxy respects default scope" do author = authors(:mary) - assert !author.first_posts.exists? + assert_not_predicate author.first_posts, :exists? end test "association with extend option" do @@ -2251,7 +2376,15 @@ class HasManyAssociationsTest < ActiveRecord::TestCase test "association with extend option with multiple extensions" do post = posts(:welcome) assert_equal "lifo", post.comments_with_extend_2.author - assert_equal "hello", post.comments_with_extend_2.greeting + assert_equal "hullo", post.comments_with_extend_2.greeting + end + + test "extend option affects per association" do + post = posts(:welcome) + assert_equal "lifo", post.comments_with_extend.author + assert_equal "lifo", post.comments_with_extend_2.author + assert_equal "hello", post.comments_with_extend.greeting + assert_equal "hullo", post.comments_with_extend_2.greeting end test "delete record with complex joins" do @@ -2272,7 +2405,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase test "does not duplicate associations when used with natural primary keys" do speedometer = Speedometer.create!(id: "4") - speedometer.minivans.create!(minivan_id: "a-van-red" , name: "a van", color: "red") + speedometer.minivans.create!(minivan_id: "a-van-red", name: "a van", color: "red") assert_equal 1, speedometer.minivans.to_a.size, "Only one association should be present:\n#{speedometer.minivans.to_a}" assert_equal 1, speedometer.reload.minivans.to_a.size @@ -2311,8 +2444,9 @@ class HasManyAssociationsTest < ActiveRecord::TestCase car = Car.create! bulb = Bulb.create! name: "other", car: car - assert_equal bulb, Car.find(car.id).all_bulbs.first - assert_equal bulb, Car.includes(:all_bulbs).find(car.id).all_bulbs.first + assert_equal [bulb], Car.find(car.id).all_bulbs + assert_equal [bulb], Car.includes(:all_bulbs).find(car.id).all_bulbs + assert_equal [bulb], Car.eager_load(:all_bulbs).find(car.id).all_bulbs end test "raises RecordNotDestroyed when replaced child can't be destroyed" do @@ -2349,7 +2483,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase pirate = FamousPirate.new pirate.famous_ships << ship = FamousShip.new - assert pirate.valid? + assert_predicate pirate, :valid? assert_not pirate.valid?(:conference) assert_equal "can't be blank", ship.errors[:name].first end @@ -2430,6 +2564,15 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_same car, new_bulb.car end + test "reattach to new objects replaces inverse association and foreign key" do + bulb = Bulb.create!(car: Car.create!) + assert bulb.car_id + car = Car.new + car.bulbs << bulb + assert_equal car, bulb.car + assert_nil bulb.car_id + end + test "in memory replacement maintains order" do first_bulb = Bulb.create! second_bulb = Bulb.create! @@ -2441,15 +2584,101 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal [first_bulb, second_bulb], car.bulbs end - test "double insertion of new object to association when same association used in the after create callback of a new object" do + test "association size calculation works with default scoped selects when not previously fetched" do + firm = Firm.create!(name: "Firm") + 5.times { firm.developers_with_select << Developer.create!(name: "Developer") } + + same_firm = Firm.find(firm.id) + assert_equal 5, same_firm.developers_with_select.size + end + + test "prevent double insertion of new object when the parent association loaded in the after save callback" do reset_callbacks(:save, Bulb) do Bulb.after_save { |record| record.car.bulbs.load } + car = Car.create! car.bulbs << Bulb.new + assert_equal 1, car.bulbs.size end end + test "prevent double firing the before save callback of new object when the parent association saved in the callback" do + reset_callbacks(:save, Bulb) do + count = 0 + Bulb.before_save { |record| record.car.save && count += 1 } + + car = Car.create! + car.bulbs.create! + + assert_equal 1, count + end + end + + test "calling size on an association that has not been loaded performs a query" do + car = Car.create! + Bulb.create(car_id: car.id) + + car_two = Car.create! + + assert_queries(1) do + assert_equal 1, car.bulbs.size + end + + assert_queries(1) do + assert_equal 0, car_two.bulbs.size + end + end + + test "calling size on an association that has been loaded does not perform query" do + car = Car.create! + Bulb.create(car_id: car.id) + car.bulb_ids + + car_two = Car.create! + car_two.bulb_ids + + assert_no_queries do + assert_equal 1, car.bulbs.size + end + + assert_no_queries do + assert_equal 0, car_two.bulbs.size + end + end + + test "calling empty on an association that has not been loaded performs a query" do + car = Car.create! + Bulb.create(car_id: car.id) + + car_two = Car.create! + + assert_queries(1) do + assert_not_empty car.bulbs + end + + assert_queries(1) do + assert_empty car_two.bulbs + end + end + + test "calling empty on an association that has been loaded does not performs query" do + car = Car.create! + Bulb.create(car_id: car.id) + car.bulb_ids + + car_two = Car.create! + car_two.bulb_ids + + assert_no_queries do + assert_not_empty car.bulbs + end + + assert_no_queries do + assert_empty car_two.bulbs + end + end + class AuthorWithErrorDestroyingAssociation < ActiveRecord::Base self.table_name = "authors" has_many :posts_with_error_destroying, @@ -2486,11 +2715,16 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal [bulb.id], car.bulb_ids assert_no_queries { car.bulb_ids } + + bulb2 = car.bulbs.create! + + assert_equal [bulb.id, bulb2.id], car.bulb_ids + assert_no_queries { car.bulb_ids } end def test_loading_association_in_validate_callback_doesnt_affect_persistence reset_callbacks(:validation, Bulb) do - Bulb.after_validation { |m| m.car.bulbs.load } + Bulb.after_validation { |record| record.car.bulbs.load } car = Car.create!(name: "Car") bulb = car.bulbs.create! @@ -2499,6 +2733,17 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end end + def test_create_children_could_be_rolled_back_by_after_save + firm = Firm.create!(name: "A New Firm, Inc") + assert_no_difference "Client.count" do + client = firm.clients.create(name: "New Client") do |cli| + cli.rollback_on_save = true + assert_not cli.rollback_on_create_called + end + assert client.rollback_on_create_called + end + end + private def force_signal37_to_load_all_clients_of_firm |