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 | 426 |
1 files changed, 348 insertions, 78 deletions
diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb index e45efb0161..8b7ab11570 100644 --- a/activerecord/test/cases/associations/has_many_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_associations_test.rb @@ -1,5 +1,6 @@ require "cases/helper" require 'models/developer' +require 'models/computer' require 'models/project' require 'models/company' require 'models/contract' @@ -22,6 +23,13 @@ require 'models/engine' require 'models/categorization' require 'models/minivan' require 'models/speedometer' +require 'models/reference' +require 'models/job' +require 'models/college' +require 'models/student' +require 'models/pirate' +require 'models/ship' +require 'models/tyre' class HasManyAssociationsTestForReorderWithJoinDependency < ActiveRecord::TestCase fixtures :authors, :posts, :comments @@ -30,7 +38,7 @@ class HasManyAssociationsTestForReorderWithJoinDependency < ActiveRecord::TestCa author = authors(:david) # this can fail on adapters which require ORDER BY expressions to be included in the SELECT expression # if the reorder clauses are not correctly handled - assert author.posts_with_comments_sorted_by_comment_id.where('comments.id > 0').reorder('posts.comments_count DESC', 'posts.taggings_count DESC').last + assert author.posts_with_comments_sorted_by_comment_id.where('comments.id > 0').reorder('posts.comments_count DESC', 'posts.tags_count DESC').last end end @@ -39,12 +47,18 @@ class HasManyAssociationsTest < ActiveRecord::TestCase fixtures :accounts, :categories, :companies, :developers, :projects, :developers_projects, :topics, :authors, :comments, :people, :posts, :readers, :taggings, :cars, :essays, - :categorizations + :categorizations, :jobs, :tags def setup Client.destroyed_client_ids.clear end + def test_sti_subselect_count + tag = Tag.first + len = Post.tagged_with(tag.id).limit(10).size + assert_operator len, :>, 0 + end + def test_anonymous_has_many developer = Class.new(ActiveRecord::Base) { self.table_name = 'developers' @@ -63,6 +77,39 @@ class HasManyAssociationsTest < ActiveRecord::TestCase dev.developer_projects.map(&:project_id).sort end + def test_default_scope_on_relations_is_not_cached + counter = 0 + posts = Class.new(ActiveRecord::Base) { + self.table_name = 'posts' + self.inheritance_column = 'not_there' + post = self + + comments = Class.new(ActiveRecord::Base) { + self.table_name = 'comments' + self.inheritance_column = 'not_there' + belongs_to :post, :class => post + default_scope -> { + counter += 1 + where("id = :inc", :inc => counter) + } + } + has_many :comments, :class => comments, :foreign_key => 'post_id' + } + assert_equal 0, counter + post = posts.first + assert_equal 0, counter + sql = capture_sql { post.comments.to_a } + post.comments.reset + assert_not_equal sql, capture_sql { post.comments.to_a } + end + + def test_has_many_build_with_options + college = College.create(name: 'UFMT') + Student.create(active: true, college_id: college.id, name: 'Sarah') + + assert_equal college.students, Student.where(active: true, college_id: college.id) + end + def test_create_from_association_should_respect_default_scope car = Car.create(:name => 'honda') assert_equal 'honda', car.name @@ -107,6 +154,32 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal 0, Bulb.count, "bulbs should have been deleted using :delete_all strategy" end + def test_delete_all_on_association_is_the_same_as_not_loaded + author = authors :david + author.thinking_posts.create!(:body => "test") + author.reload + expected_sql = capture_sql { author.thinking_posts.delete_all } + + author.thinking_posts.create!(:body => "test") + author.reload + author.thinking_posts.inspect + loaded_sql = capture_sql { author.thinking_posts.delete_all } + assert_equal(expected_sql, loaded_sql) + end + + def test_delete_all_on_association_with_nil_dependency_is_the_same_as_not_loaded + author = authors :david + author.posts.create!(:title => "test", :body => "body") + author.reload + expected_sql = capture_sql { author.posts.delete_all } + + author.posts.create!(:title => "test", :body => "body") + author.reload + author.posts.to_a + loaded_sql = capture_sql { author.posts.delete_all } + assert_equal(expected_sql, loaded_sql) + end + def test_building_the_associated_object_with_implicit_sti_base_class firm = DependentFirm.new company = firm.companies.build @@ -216,6 +289,31 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end assert_no_queries do + bulbs.second() + bulbs.second({}) + end + + assert_no_queries do + bulbs.third() + bulbs.third({}) + end + + assert_no_queries do + bulbs.fourth() + bulbs.fourth({}) + end + + assert_no_queries do + bulbs.fifth() + bulbs.fifth({}) + end + + assert_no_queries do + bulbs.forty_two() + bulbs.forty_two({}) + end + + assert_no_queries do bulbs.last() bulbs.last({}) end @@ -242,11 +340,11 @@ class HasManyAssociationsTest < ActiveRecord::TestCase # 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 2, Firm.all.merge!(:order => "id").first.clients.count + assert_equal 3, Firm.all.merge!(:order => "id").first.clients.count end def test_counting - assert_equal 2, Firm.all.merge!(:order => "id").first.plain_clients.count + assert_equal 3, Firm.all.merge!(:order => "id").first.plain_clients.count end def test_counting_with_single_hash @@ -254,7 +352,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_counting_with_column_name_and_hash - assert_equal 2, Firm.all.merge!(:order => "id").first.plain_clients.count(:name) + assert_equal 3, Firm.all.merge!(:order => "id").first.plain_clients.count(:name) end def test_counting_with_association_limit @@ -264,17 +362,17 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_finding - assert_equal 2, Firm.all.merge!(:order => "id").first.clients.length + assert_equal 3, Firm.all.merge!(:order => "id").first.clients.length end def test_finding_array_compatibility - assert_equal 2, Firm.order(:id).find{|f| f.id > 0}.clients.length + assert_equal 3, Firm.order(:id).find{|f| f.id > 0}.clients.length end def test_find_many_with_merged_options assert_equal 1, companies(:first_firm).limited_clients.size assert_equal 1, companies(:first_firm).limited_clients.to_a.size - assert_equal 2, companies(:first_firm).limited_clients.limit(nil).to_a.size + assert_equal 3, companies(:first_firm).limited_clients.limit(nil).to_a.size end def test_find_should_append_to_association_order @@ -283,8 +381,8 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_dynamic_find_should_respect_association_order - assert_equal companies(:second_client), companies(:first_firm).clients_sorted_desc.where("type = 'Client'").first - assert_equal companies(:second_client), companies(:first_firm).clients_sorted_desc.find_by_type('Client') + assert_equal companies(:another_first_firm_client), companies(:first_firm).clients_sorted_desc.where("type = 'Client'").first + assert_equal companies(:another_first_firm_client), companies(:first_firm).clients_sorted_desc.find_by_type('Client') end def test_cant_save_has_many_readonly_association @@ -297,7 +395,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_finding_with_different_class_name_and_order - assert_equal "Microsoft", Firm.all.merge!(:order => "id").first.clients_sorted_desc.first.name + assert_equal "Apex", Firm.all.merge!(:order => "id").first.clients_sorted_desc.first.name end def test_finding_with_foreign_key @@ -316,6 +414,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal "Summit", Firm.all.merge!(:order => "id").first.clients_using_primary_key.first.name end + def test_update_all_on_association_accessed_before_save + firm = Firm.new(name: 'Firm') + firm.clients << Client.first + firm.save! + assert_equal firm.clients.count, firm.clients.update_all(description: 'Great!') + end + def test_belongs_to_sanity c = Client.new assert_nil c.firm, "belongs_to failed sanity check on new object" @@ -355,7 +460,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_find_all firm = Firm.all.merge!(:order => "id").first - assert_equal 2, firm.clients.where("#{QUOTED_TYPE} = 'Client'").to_a.length + assert_equal 3, firm.clients.where("#{QUOTED_TYPE} = 'Client'").to_a.length assert_equal 1, firm.clients.where("name = 'Summit'").to_a.length end @@ -364,7 +469,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert ! firm.clients.loaded? - assert_queries(3) do + assert_queries(4) do firm.clients.find_each(:batch_size => 1) {|c| assert_equal firm.id, c.firm_id } end @@ -434,15 +539,15 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_find_grouped all_clients_of_firm1 = Client.all.merge!(:where => "firm_id = 1").to_a grouped_clients_of_firm1 = Client.all.merge!(:where => "firm_id = 1", :group => "firm_id", :select => 'firm_id, count(id) as clients_count').to_a - assert_equal 2, all_clients_of_firm1.size + assert_equal 3, all_clients_of_firm1.size assert_equal 1, grouped_clients_of_firm1.size end def test_find_scoped_grouped assert_equal 1, companies(:first_firm).clients_grouped_by_firm_id.size assert_equal 1, companies(:first_firm).clients_grouped_by_firm_id.length - assert_equal 2, companies(:first_firm).clients_grouped_by_name.size - assert_equal 2, companies(:first_firm).clients_grouped_by_name.length + assert_equal 3, companies(:first_firm).clients_grouped_by_name.size + assert_equal 3, companies(:first_firm).clients_grouped_by_name.length end def test_find_scoped_grouped_having @@ -462,25 +567,25 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal [1], posts(:welcome).comments.select { |c| c.id == 1 }.map(&:id) end - def test_select_without_foreign_key + 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 + end def test_adding force_signal37_to_load_all_clients_of_firm natural = Client.new("name" => "Natural Company") companies(:first_firm).clients_of_firm << natural - assert_equal 2, companies(:first_firm).clients_of_firm.size # checking via the collection - assert_equal 2, companies(:first_firm).clients_of_firm(true).size # checking using the db + assert_equal 3, companies(:first_firm).clients_of_firm.size # checking via the collection + assert_equal 3, companies(:first_firm).clients_of_firm(true).size # checking using the db assert_equal natural, companies(:first_firm).clients_of_firm.last end def test_adding_using_create first_firm = companies(:first_firm) - assert_equal 2, first_firm.plain_clients.size - first_firm.plain_clients.create(:name => "Natural Company") - assert_equal 3, first_firm.plain_clients.length assert_equal 3, first_firm.plain_clients.size + first_firm.plain_clients.create(:name => "Natural Company") + assert_equal 4, first_firm.plain_clients.length + assert_equal 4, first_firm.plain_clients.size end def test_create_with_bang_on_has_many_when_parent_is_new_raises @@ -519,8 +624,8 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_adding_a_collection force_signal37_to_load_all_clients_of_firm companies(:first_firm).clients_of_firm.concat([Client.new("name" => "Natural Company"), Client.new("name" => "Apple")]) - assert_equal 3, companies(:first_firm).clients_of_firm.size - assert_equal 3, companies(:first_firm).clients_of_firm(true).size + assert_equal 4, companies(:first_firm).clients_of_firm.size + assert_equal 4, companies(:first_firm).clients_of_firm(true).size end def test_transactions_when_adding_to_persisted @@ -536,7 +641,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_transactions_when_adding_to_new_record - assert_no_queries do + assert_no_queries(ignore_none: false) do firm = Firm.new firm.clients_of_firm.concat(Client.new("name" => "Natural Company")) end @@ -551,7 +656,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_new_aliased_to_build company = companies(:first_firm) - new_client = assert_no_queries { company.clients_of_firm.new("name" => "Another Client") } + new_client = assert_no_queries(ignore_none: false) { company.clients_of_firm.new("name" => "Another Client") } assert !company.clients_of_firm.loaded? assert_equal "Another Client", new_client.name @@ -561,7 +666,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_build company = companies(:first_firm) - new_client = assert_no_queries { company.clients_of_firm.build("name" => "Another Client") } + new_client = assert_no_queries(ignore_none: false) { company.clients_of_firm.build("name" => "Another Client") } assert !company.clients_of_firm.loaded? assert_equal "Another Client", new_client.name @@ -573,7 +678,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase company = companies(:first_firm) # company already has one client company.clients_of_firm.build("name" => "Another Client") company.clients_of_firm.build("name" => "Yet Another Client") - assert_equal 3, company.clients_of_firm.size + assert_equal 4, company.clients_of_firm.size end def test_collection_not_empty_after_building @@ -597,7 +702,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_build_many company = companies(:first_firm) - new_clients = assert_no_queries { company.clients_of_firm.build([{"name" => "Another Client"}, {"name" => "Another Client II"}]) } + new_clients = assert_no_queries(ignore_none: false) { company.clients_of_firm.build([{"name" => "Another Client"}, {"name" => "Another Client II"}]) } assert_equal 2, new_clients.size end @@ -623,7 +728,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_build_via_block company = companies(:first_firm) - new_client = assert_no_queries { company.clients_of_firm.build {|client| client.name = "Another Client" } } + 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_equal "Another Client", new_client.name @@ -633,7 +738,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_build_many_via_block company = companies(:first_firm) - new_clients = assert_no_queries do + new_clients = assert_no_queries(ignore_none: false) do company.clients_of_firm.build([{"name" => "Another Client"}, {"name" => "Another Client II"}]) do |client| client.name = "changed" end @@ -649,14 +754,14 @@ class HasManyAssociationsTest < ActiveRecord::TestCase Firm.column_names Client.column_names - assert_equal 1, first_firm.clients_of_firm.size + assert_equal 2, first_firm.clients_of_firm.size first_firm.clients_of_firm.reset assert_queries(1) do first_firm.clients_of_firm.create(:name => "Superstars") end - assert_equal 2, first_firm.clients_of_firm.size + assert_equal 3, first_firm.clients_of_firm.size end def test_create @@ -669,7 +774,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_create_many companies(:first_firm).clients_of_firm.create([{"name" => "Another Client"}, {"name" => "Another Client II"}]) - assert_equal 3, companies(:first_firm).clients_of_firm(true).size + assert_equal 4, companies(:first_firm).clients_of_firm(true).size end def test_create_followed_by_save_does_not_load_target @@ -681,8 +786,8 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_deleting force_signal37_to_load_all_clients_of_firm companies(:first_firm).clients_of_firm.delete(companies(:first_firm).clients_of_firm.first) - assert_equal 0, companies(:first_firm).clients_of_firm.size - assert_equal 0, companies(:first_firm).clients_of_firm(true).size + assert_equal 1, companies(:first_firm).clients_of_firm.size + assert_equal 1, companies(:first_firm).clients_of_firm(true).size end def test_deleting_before_save @@ -702,6 +807,36 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal topic.replies.to_a.size, topic.replies_count end + def test_counter_cache_updates_in_memory_after_concat + topic = Topic.create title: "Zoom-zoom-zoom" + + topic.replies << Reply.create(title: "re: zoom", content: "speedy quick!") + assert_equal 1, topic.replies_count + assert_equal 1, topic.replies.size + assert_equal 1, topic.reload.replies.size + end + + def test_counter_cache_updates_in_memory_after_create + topic = Topic.create title: "Zoom-zoom-zoom" + + topic.replies.create!(title: "re: zoom", content: "speedy quick!") + assert_equal 1, topic.replies_count + assert_equal 1, topic.replies.size + assert_equal 1, topic.reload.replies.size + end + + def test_counter_cache_updates_in_memory_after_create_with_array + topic = Topic.create title: "Zoom-zoom-zoom" + + topic.replies.create!([ + { title: "re: zoom", content: "speedy quick!" }, + { title: "re: zoom 2", content: "OMG lol!" }, + ]) + assert_equal 2, topic.replies_count + assert_equal 2, topic.replies.size + assert_equal 2, topic.reload.replies.size + end + def test_pushing_association_updates_counter_cache topic = Topic.order("id ASC").first reply = Reply.create! @@ -714,14 +849,14 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_deleting_updates_counter_cache_without_dependent_option post = posts(:welcome) - assert_difference "post.reload.taggings_count", -1 do + assert_difference "post.reload.tags_count", -1 do post.taggings.delete(post.taggings.first) end end def test_deleting_updates_counter_cache_with_dependent_delete_all post = posts(:welcome) - post.update_columns(taggings_with_delete_all_count: post.taggings_count) + post.update_columns(taggings_with_delete_all_count: post.tags_count) assert_difference "post.reload.taggings_with_delete_all_count", -1 do post.taggings_with_delete_all.delete(post.taggings_with_delete_all.first) @@ -730,13 +865,20 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_deleting_updates_counter_cache_with_dependent_destroy post = posts(:welcome) - post.update_columns(taggings_with_destroy_count: post.taggings_count) + post.update_columns(taggings_with_destroy_count: post.tags_count) assert_difference "post.reload.taggings_with_destroy_count", -1 do post.taggings_with_destroy.delete(post.taggings_with_destroy.first) end end + def test_calling_empty_with_counter_cache + post = posts(:welcome) + assert_queries(0) do + assert_not post.comments.empty? + end + end + def test_custom_named_counter_cache topic = topics(:first) @@ -779,8 +921,8 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_deleting_a_collection force_signal37_to_load_all_clients_of_firm companies(:first_firm).clients_of_firm.create("name" => "Another Client") - assert_equal 2, companies(:first_firm).clients_of_firm.size - companies(:first_firm).clients_of_firm.delete([companies(:first_firm).clients_of_firm[0], companies(:first_firm).clients_of_firm[1]]) + assert_equal 3, companies(:first_firm).clients_of_firm.size + companies(:first_firm).clients_of_firm.delete([companies(:first_firm).clients_of_firm[0], companies(:first_firm).clients_of_firm[1], companies(:first_firm).clients_of_firm[2]]) assert_equal 0, companies(:first_firm).clients_of_firm.size assert_equal 0, companies(:first_firm).clients_of_firm(true).size end @@ -789,7 +931,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase force_signal37_to_load_all_clients_of_firm companies(:first_firm).dependent_clients_of_firm.create("name" => "Another Client") clients = companies(:first_firm).dependent_clients_of_firm.to_a - assert_equal 2, clients.count + assert_equal 3, clients.count assert_difference "Client.count", -(clients.count) do companies(:first_firm).dependent_clients_of_firm.delete_all @@ -799,7 +941,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_delete_all_with_not_yet_loaded_association_collection force_signal37_to_load_all_clients_of_firm companies(:first_firm).clients_of_firm.create("name" => "Another Client") - assert_equal 2, companies(:first_firm).clients_of_firm.size + assert_equal 3, companies(:first_firm).clients_of_firm.size companies(:first_firm).clients_of_firm.reset companies(:first_firm).clients_of_firm.delete_all assert_equal 0, companies(:first_firm).clients_of_firm.size @@ -821,7 +963,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_transaction_when_deleting_new_record - assert_no_queries do + assert_no_queries(ignore_none: false) do firm = Firm.new client = Client.new("name" => "New Client") firm.clients_of_firm << client @@ -832,7 +974,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_clearing_an_association_collection firm = companies(:first_firm) client_id = firm.clients_of_firm.first.id - assert_equal 1, firm.clients_of_firm.size + assert_equal 2, firm.clients_of_firm.size firm.clients_of_firm.clear @@ -866,7 +1008,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_clearing_a_dependent_association_collection firm = companies(:first_firm) client_id = firm.dependent_clients_of_firm.first.id - assert_equal 1, firm.dependent_clients_of_firm.size + assert_equal 2, firm.dependent_clients_of_firm.size assert_equal 1, Client.find_by_id(client_id).client_of # :delete_all is called on each client since the dependent options is :destroy @@ -897,7 +1039,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_clearing_an_exclusively_dependent_association_collection firm = companies(:first_firm) client_id = firm.exclusively_dependent_clients_of_firm.first.id - assert_equal 1, firm.exclusively_dependent_clients_of_firm.size + assert_equal 2, firm.exclusively_dependent_clients_of_firm.size assert_equal [], Client.destroyed_client_ids[firm.id] @@ -953,10 +1095,10 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_delete_all_association_with_primary_key_deletes_correct_records firm = Firm.first # break the vanilla firm_id foreign key - assert_equal 2, firm.clients.count + assert_equal 3, firm.clients.count firm.clients.first.update_columns(firm_id: nil) - assert_equal 1, firm.clients(true).count - assert_equal 1, firm.clients_using_primary_key_with_delete_all.count + assert_equal 2, firm.clients(true).count + assert_equal 2, firm.clients_using_primary_key_with_delete_all.count old_record = firm.clients_using_primary_key_with_delete_all.first firm = Firm.first firm.destroy @@ -988,8 +1130,8 @@ class HasManyAssociationsTest < ActiveRecord::TestCase force_signal37_to_load_all_clients_of_firm summit = Client.find_by_name('Summit') companies(:first_firm).clients_of_firm.delete(summit) - assert_equal 1, companies(:first_firm).clients_of_firm.size - assert_equal 1, companies(:first_firm).clients_of_firm(true).size + assert_equal 2, companies(:first_firm).clients_of_firm.size + assert_equal 2, companies(:first_firm).clients_of_firm(true).size assert_equal 2, summit.client_of end @@ -1026,8 +1168,8 @@ class HasManyAssociationsTest < ActiveRecord::TestCase companies(:first_firm).clients_of_firm.destroy(companies(:first_firm).clients_of_firm.first) end - assert_equal 0, companies(:first_firm).reload.clients_of_firm.size - assert_equal 0, companies(:first_firm).clients_of_firm(true).size + assert_equal 1, companies(:first_firm).reload.clients_of_firm.size + assert_equal 1, companies(:first_firm).clients_of_firm(true).size end def test_destroying_by_fixnum_id @@ -1037,8 +1179,8 @@ class HasManyAssociationsTest < ActiveRecord::TestCase companies(:first_firm).clients_of_firm.destroy(companies(:first_firm).clients_of_firm.first.id) end - assert_equal 0, companies(:first_firm).reload.clients_of_firm.size - assert_equal 0, companies(:first_firm).clients_of_firm(true).size + assert_equal 1, companies(:first_firm).reload.clients_of_firm.size + assert_equal 1, companies(:first_firm).clients_of_firm(true).size end def test_destroying_by_string_id @@ -1048,21 +1190,21 @@ class HasManyAssociationsTest < ActiveRecord::TestCase companies(:first_firm).clients_of_firm.destroy(companies(:first_firm).clients_of_firm.first.id.to_s) end - assert_equal 0, companies(:first_firm).reload.clients_of_firm.size - assert_equal 0, companies(:first_firm).clients_of_firm(true).size + assert_equal 1, companies(:first_firm).reload.clients_of_firm.size + assert_equal 1, companies(:first_firm).clients_of_firm(true).size end def test_destroying_a_collection force_signal37_to_load_all_clients_of_firm companies(:first_firm).clients_of_firm.create("name" => "Another Client") - assert_equal 2, companies(:first_firm).clients_of_firm.size + assert_equal 3, companies(:first_firm).clients_of_firm.size assert_difference "Client.count", -2 do companies(:first_firm).clients_of_firm.destroy([companies(:first_firm).clients_of_firm[0], companies(:first_firm).clients_of_firm[1]]) end - assert_equal 0, companies(:first_firm).reload.clients_of_firm.size - assert_equal 0, companies(:first_firm).clients_of_firm(true).size + assert_equal 1, companies(:first_firm).reload.clients_of_firm.size + assert_equal 1, companies(:first_firm).clients_of_firm(true).size end def test_destroy_all @@ -1078,7 +1220,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_dependence firm = companies(:first_firm) - assert_equal 2, firm.clients.size + assert_equal 3, firm.clients.size firm.destroy assert Client.all.merge!(:where => "firm_id=#{firm.id}").to_a.empty? end @@ -1091,14 +1233,14 @@ class HasManyAssociationsTest < ActiveRecord::TestCase 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 - assert_equal 2, firm.clients.size + assert_equal 3, firm.clients.size client = firm.clients.first firm.clients.delete(client) assert_raise(ActiveRecord::RecordNotFound) { Client.find(client.id) } assert_raise(ActiveRecord::RecordNotFound) { firm.clients.find(client.id) } - assert_equal 1, firm.clients.size + assert_equal 2, firm.clients.size end def test_three_levels_of_dependence @@ -1113,12 +1255,12 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_dependence_with_transaction_support_on_failure firm = companies(:first_firm) clients = firm.clients - assert_equal 2, clients.length + assert_equal 3, clients.length clients.last.instance_eval { def overwrite_to_raise() raise "Trigger rollback" end } firm.destroy rescue "do nothing" - assert_equal 2, Client.all.merge!(:where => "firm_id=#{firm.id}").to_a.size + assert_equal 3, Client.all.merge!(:where => "firm_id=#{firm.id}").to_a.size end def test_dependence_on_account @@ -1217,6 +1359,16 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal orig_accounts, firm.accounts end + def test_replace_with_same_content + firm = Firm.first + firm.clients = [] + firm.save + + assert_queries(0, ignore_none: true) do + firm.clients = [] + end + end + def test_transactions_when_replacing_on_persisted good = Client.new(:name => "Good") bad = Client.new(:name => "Bad", :raise_on_save => true) @@ -1232,14 +1384,14 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_transactions_when_replacing_on_new_record - assert_no_queries do + assert_no_queries(ignore_none: false) do firm = Firm.new firm.clients_of_firm = [Client.new("name" => "New Client")] end end def test_get_ids - assert_equal [companies(:first_client).id, companies(:second_client).id], companies(:first_firm).client_ids + assert_equal [companies(:first_client).id, companies(:second_client).id, companies(:another_first_firm_client).id], companies(:first_firm).client_ids end def test_get_ids_for_loaded_associations @@ -1254,7 +1406,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_get_ids_for_unloaded_associations_does_not_load_them company = companies(:first_firm) assert !company.clients.loaded? - assert_equal [companies(:first_client).id, companies(:second_client).id], company.client_ids + assert_equal [companies(:first_client).id, companies(:second_client).id, companies(:another_first_firm_client).id], company.client_ids assert !company.clients.loaded? end @@ -1263,7 +1415,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_get_ids_for_ordered_association - assert_equal [companies(:second_client).id, companies(:first_client).id], companies(:first_firm).clients_ordered_by_name_ids + assert_equal [companies(:another_first_firm_client).id, companies(:second_client).id, companies(:first_client).id], companies(:first_firm).clients_ordered_by_name_ids end def test_get_ids_for_association_on_new_record_does_not_try_to_find_records @@ -1357,9 +1509,10 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal false, firm.clients.include?(client) end - def test_calling_first_or_last_on_association_should_not_load_association + def test_calling_first_nth_or_last_on_association_should_not_load_association firm = companies(:first_firm) firm.clients.first + firm.clients.second firm.clients.last assert !firm.clients.loaded? end @@ -1369,7 +1522,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase firm.clients.load_target assert firm.clients.loaded? - assert_no_queries do + assert_no_queries(ignore_none: false) do firm.clients.first assert_equal 2, firm.clients.first(2).size firm.clients.last @@ -1384,30 +1537,33 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_queries 1 do firm.clients.first + firm.clients.second firm.clients.last end assert firm.clients.loaded? end - def test_calling_first_or_last_on_existing_record_with_create_should_not_load_association + 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_queries 2 do + assert_queries 3 do firm.clients.first + firm.clients.second firm.clients.last end assert !firm.clients.loaded? end - def test_calling_first_or_last_on_new_record_should_not_run_queries + def test_calling_first_nth_or_last_on_new_record_should_not_run_queries firm = Firm.new assert_no_queries do firm.clients.first + firm.clients.second firm.clients.last end end @@ -1494,7 +1650,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_calling_many_should_return_true_if_more_than_one firm = companies(:first_firm) assert firm.clients.many? - assert_equal 2, firm.clients.size + assert_equal 3, firm.clients.size end def test_joins_with_namespaced_model_should_use_correct_type @@ -1714,7 +1870,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase test "has many associations on new records use null relations" do post = Post.new - assert_no_queries do + assert_no_queries(ignore_none: false) do assert_equal [], post.comments assert_equal [], post.comments.where(body: 'omg') assert_equal [], post.comments.pluck(:body) @@ -1773,6 +1929,14 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal [bulb1, bulb2], car.all_bulbs.sort_by(&:id) end + test 'unscopes the default scope of associated model when used with include' do + 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 + end + test "raises RecordNotDestroyed when replaced child can't be destroyed" do car = Car.create! original_child = FailedBulb.create!(car: car) @@ -1791,4 +1955,110 @@ class HasManyAssociationsTest < ActiveRecord::TestCase topic.approved_replies.create! end end + + test 'dangerous association name raises ArgumentError' do + [:errors, 'errors', :save, 'save'].each do |name| + assert_raises(ArgumentError, "Association #{name} should not be allowed") do + Class.new(ActiveRecord::Base) do + has_many name + end + end + end + end + + test 'passes custom context validation to validate children' do + pirate = FamousPirate.new + pirate.famous_ships << ship = FamousShip.new + + assert pirate.valid? + assert_not pirate.valid?(:conference) + assert_equal "can't be blank", ship.errors[:name].first + end + + test 'association with instance dependent scope' do + bob = authors(:bob) + Post.create!(title: "signed post by bob", body: "stuff", author: authors(:bob)) + Post.create!(title: "anonymous post", body: "more stuff", author: authors(:bob)) + assert_equal ["misc post by bob", "other post by bob", + "signed post by bob"], bob.posts_with_signature.map(&:title).sort + + assert_equal [], authors(:david).posts_with_signature.map(&:title) + end + + test 'associations autosaves when object is already persited' do + bulb = Bulb.create! + tyre = Tyre.create! + + car = Car.create! do |c| + c.bulbs << bulb + c.tyres << tyre + end + + assert_equal 1, car.bulbs.count + assert_equal 1, car.tyres.count + end + + test 'associations replace in memory when records have the same id' do + bulb = Bulb.create! + car = Car.create!(bulbs: [bulb]) + + new_bulb = Bulb.find(bulb.id) + new_bulb.name = "foo" + car.bulbs = [new_bulb] + + assert_equal "foo", car.bulbs.first.name + end + + test 'in memory replacement executes no queries' do + bulb = Bulb.create! + car = Car.create!(bulbs: [bulb]) + + new_bulb = Bulb.find(bulb.id) + + assert_no_queries do + car.bulbs = [new_bulb] + end + end + + test 'in memory replacements do not execute callbacks' do + raise_after_add = false + klass = Class.new(ActiveRecord::Base) do + self.table_name = :cars + has_many :bulbs, after_add: proc { raise if raise_after_add } + + def self.name + "Car" + end + end + bulb = Bulb.create! + car = klass.create!(bulbs: [bulb]) + + new_bulb = Bulb.find(bulb.id) + raise_after_add = true + + assert_nothing_raised do + car.bulbs = [new_bulb] + end + end + + test 'in memory replacements sets inverse instance' do + bulb = Bulb.create! + car = Car.create!(bulbs: [bulb]) + + new_bulb = Bulb.find(bulb.id) + car.bulbs = [new_bulb] + + assert_same car, new_bulb.car + end + + test 'in memory replacement maintains order' do + first_bulb = Bulb.create! + second_bulb = Bulb.create! + car = Car.create!(bulbs: [first_bulb, second_bulb]) + + same_bulb = Bulb.find(first_bulb.id) + car.bulbs = [second_bulb, same_bulb] + + assert_equal [first_bulb, second_bulb], car.bulbs + end end |