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 | 895 |
1 files changed, 630 insertions, 265 deletions
diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb index 7e6c7d5862..c075872617 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' @@ -19,79 +20,16 @@ require 'models/line_item' require 'models/car' require 'models/bulb' require 'models/engine' - -class HasManyAssociationsTestForCountWithFinderSql < ActiveRecord::TestCase - class Invoice < ActiveRecord::Base - ActiveSupport::Deprecation.silence do - has_many :custom_line_items, :class_name => 'LineItem', :finder_sql => "SELECT line_items.* from line_items" - end - end - def test_should_fail - assert_raise(ArgumentError) do - Invoice.create.custom_line_items.count(:conditions => {:amount => 0}) - end - end -end - -class HasManyAssociationsTestForCountWithCountSql < ActiveRecord::TestCase - class Invoice < ActiveRecord::Base - ActiveSupport::Deprecation.silence do - has_many :custom_line_items, :class_name => 'LineItem', :counter_sql => "SELECT COUNT(*) line_items.* from line_items" - end - end - def test_should_fail - assert_raise(ArgumentError) do - Invoice.create.custom_line_items.count(:conditions => {:amount => 0}) - end - end -end - -class HasManyAssociationsTestForCountWithVariousFinderSqls < ActiveRecord::TestCase - class Invoice < ActiveRecord::Base - ActiveSupport::Deprecation.silence do - has_many :custom_line_items, :class_name => 'LineItem', :finder_sql => "SELECT DISTINCT line_items.amount from line_items" - has_many :custom_full_line_items, :class_name => 'LineItem', :finder_sql => "SELECT line_items.invoice_id, line_items.amount from line_items" - has_many :custom_star_line_items, :class_name => 'LineItem', :finder_sql => "SELECT * from line_items" - has_many :custom_qualified_star_line_items, :class_name => 'LineItem', :finder_sql => "SELECT line_items.* from line_items" - end - end - - def test_should_count_distinct_results - invoice = Invoice.new - invoice.custom_line_items << LineItem.new(:amount => 0) - invoice.custom_line_items << LineItem.new(:amount => 0) - invoice.save! - - assert_equal 1, invoice.custom_line_items.count - end - - def test_should_count_results_with_multiple_fields - invoice = Invoice.new - invoice.custom_full_line_items << LineItem.new(:amount => 0) - invoice.custom_full_line_items << LineItem.new(:amount => 0) - invoice.save! - - assert_equal 2, invoice.custom_full_line_items.count - end - - def test_should_count_results_with_star - invoice = Invoice.new - invoice.custom_star_line_items << LineItem.new(:amount => 0) - invoice.custom_star_line_items << LineItem.new(:amount => 0) - invoice.save! - - assert_equal 2, invoice.custom_star_line_items.count - end - - def test_should_count_results_with_qualified_star - invoice = Invoice.new - invoice.custom_qualified_star_line_items << LineItem.new(:amount => 0) - invoice.custom_qualified_star_line_items << LineItem.new(:amount => 0) - invoice.save! - - assert_equal 2, invoice.custom_qualified_star_line_items.count - end -end +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 @@ -100,7 +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 @@ -108,12 +46,70 @@ end class HasManyAssociationsTest < ActiveRecord::TestCase fixtures :accounts, :categories, :companies, :developers, :projects, :developers_projects, :topics, :authors, :comments, - :people, :posts, :readers, :taggings, :cars, :essays + :people, :posts, :readers, :taggings, :cars, :essays, + :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' + dev = self + + developer_project = Class.new(ActiveRecord::Base) { + self.table_name = 'developers_projects' + belongs_to :developer, :class => dev + } + has_many :developer_projects, :class => developer_project, :foreign_key => 'developer_id' + } + dev = developer.first + named = Developer.find(dev.id) + assert_operator dev.developer_projects.count, :>, 0 + assert_equal named.projects.map(&:id).sort, + 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 @@ -131,6 +127,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal 'exotic', bulb.name end + def test_build_from_association_should_respect_scope + author = Author.new + + post = author.thinking_posts.build + assert_equal 'So I was thinking', post.title + end + def test_create_from_association_with_nil_values_should_work car = Car.create(:name => 'honda') @@ -144,6 +147,39 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal 'defaulty', bulb.name end + def test_do_not_call_callbacks_for_delete_all + car = Car.create(:name => 'honda') + car.funky_bulbs.create! + assert_nothing_raised { car.reload.funky_bulbs.delete_all } + 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 @@ -172,6 +208,16 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_raise(ActiveRecord::SubclassNotFound) { firm.companies.build(:type => "Account") } end + test "building the association with an array" do + speedometer = Speedometer.new(speedometer_id: "a") + data = [{name: "first"}, {name: "second"}] + speedometer.minivans.build(data) + + assert_equal 2, speedometer.minivans.size + assert speedometer.save + assert_equal ["first", "second"], speedometer.reload.minivans.map(&:name) + end + def test_association_keys_bypass_attribute_protection car = Car.create(:name => 'honda') @@ -243,6 +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 @@ -269,11 +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 @@ -281,7 +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 @@ -291,27 +362,27 @@ 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_prepend_to_association_order + def test_find_should_append_to_association_order ordered_clients = companies(:first_firm).clients_sorted_desc.order('companies.id') - assert_equal ['companies.id', 'id DESC'], ordered_clients.order_values + assert_equal ['id DESC', 'companies.id'], ordered_clients.order_values 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 @@ -324,7 +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 @@ -343,42 +414,16 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal "Summit", Firm.all.merge!(:order => "id").first.clients_using_primary_key.first.name end - def test_finding_using_sql - firm = Firm.order("id").first - first_client = firm.clients_using_sql.first - assert_not_nil first_client - assert_equal "Microsoft", first_client.name - assert_equal 1, firm.clients_using_sql.size - assert_equal 1, Firm.order("id").first.clients_using_sql.size - end - - def test_finding_using_sql_take_into_account_only_uniq_ids - firm = Firm.order("id").first - client = firm.clients_using_sql.first - assert_equal client, firm.clients_using_sql.find(client.id, client.id) - assert_equal client, firm.clients_using_sql.find(client.id, client.id.to_s) - end - - def test_counting_using_sql - assert_equal 1, Firm.order("id").first.clients_using_counter_sql.size - assert Firm.order("id").first.clients_using_counter_sql.any? - assert_equal 0, Firm.order("id").first.clients_using_zero_counter_sql.size - assert !Firm.order("id").first.clients_using_zero_counter_sql.any? - end - - def test_counting_non_existant_items_using_sql - assert_equal 0, Firm.order("id").first.no_clients_using_counter_sql.size - end - - def test_counting_using_finder_sql - assert_equal 2, Firm.find(4).clients_using_sql.count + 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 - - flunk "belongs_to failed if check" if c.firm + assert_nil c.firm, "belongs_to failed sanity check on new object" end def test_find_ids @@ -401,25 +446,21 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_raise(ActiveRecord::RecordNotFound) { firm.clients.find(2, 99) } end - def test_find_string_ids_when_using_finder_sql - firm = Firm.order("id").first + def test_find_ids_and_inverse_of + force_signal37_to_load_all_clients_of_firm - client = firm.clients_using_finder_sql.find("2") + firm = companies(:first_firm) + client = firm.clients_of_firm.find(3) assert_kind_of Client, client - client_ary = firm.clients_using_finder_sql.find(["2"]) + client_ary = firm.clients_of_firm.find([3]) assert_kind_of Array, client_ary assert_equal client, client_ary.first - - client_ary = firm.clients_using_finder_sql.find("2", "3") - assert_kind_of Array, client_ary - assert_equal 2, client_ary.size - assert client_ary.include?(client) end 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 @@ -428,7 +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 @@ -498,15 +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 @@ -519,38 +560,50 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_select_query_method - assert_equal ['id'], posts(:welcome).comments.select(:id).first.attributes.keys + assert_equal ['id', 'body'], posts(:welcome).comments.select(:id, :body).first.attributes.keys + end + + def test_select_with_block + assert_equal [1], posts(:welcome).comments.select { |c| c.id == 1 }.map(&:id) + 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 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 - assert_raise(ActiveRecord::RecordNotSaved) do + error = assert_raise(ActiveRecord::RecordNotSaved) do firm = Firm.new firm.plain_clients.create! :name=>"Whoever" end + + assert_equal "You cannot call create unless the parent is saved", error.message end def test_regular_create_on_has_many_when_parent_is_new_raises - assert_raise(ActiveRecord::RecordNotSaved) do + error = assert_raise(ActiveRecord::RecordNotSaved) do firm = Firm.new firm.plain_clients.create :name=>"Whoever" end + + assert_equal "You cannot call create unless the parent is saved", error.message end def test_create_with_bang_on_has_many_raises_when_record_not_saved @@ -561,9 +614,11 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_create_with_bang_on_habtm_when_parent_is_new_raises - assert_raise(ActiveRecord::RecordNotSaved) do + error = assert_raise(ActiveRecord::RecordNotSaved) do Developer.new("name" => "Aredridel").projects.create! end + + assert_equal "You cannot call create unless the parent is saved", error.message end def test_adding_a_mismatch_class @@ -575,8 +630,8 @@ 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 @@ -592,15 +647,22 @@ 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 end + def test_inverse_on_before_validate + firm = companies(:first_firm) + assert_queries(1) do + firm.clients_of_firm << Client.new("name" => "Natural Company") + end + end + 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 @@ -610,7 +672,7 @@ 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 @@ -622,7 +684,14 @@ 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 + company = companies(:first_firm) + assert_predicate company.contracts, :empty? + company.contracts.build + assert_not_predicate company.contracts, :empty? end def test_collection_size_twice_for_regressions @@ -639,7 +708,7 @@ 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 @@ -665,7 +734,7 @@ 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 @@ -675,7 +744,7 @@ 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 @@ -691,14 +760,14 @@ 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 @@ -711,7 +780,7 @@ 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 @@ -723,8 +792,8 @@ 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 @@ -744,17 +813,56 @@ 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! + + assert_difference "topic.reload.replies_count", 1 do + topic.replies << reply + end + end + 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) @@ -763,13 +871,20 @@ 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) @@ -778,30 +893,61 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end end + def test_calling_update_attributes_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) + assert_equal original_count - 1, topic.reload.replies_count + + first_reply.update_attributes(:parent_id => topic.id) + assert_equal original_count, topic.reload.replies_count + end + + def test_calling_update_attributes_changing_ids_doesnt_change_counter_cache + topic1 = Topic.find(1) + topic2 = Topic.find(3) + original_count1 = topic1.replies.to_a.size + original_count2 = topic2.replies.to_a.size + + reply1 = topic1.replies.first + reply2 = topic2.replies.first + + reply1.update_attributes(: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) + assert_equal original_count1, topic1.reload.replies_count + assert_equal original_count2, topic2.reload.replies_count + end + 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 def test_delete_all force_signal37_to_load_all_clients_of_firm - companies(:first_firm).clients_of_firm.create("name" => "Another Client") - clients = companies(:first_firm).clients_of_firm.to_a - assert_equal 2, clients.count - deleted = companies(:first_firm).clients_of_firm.delete_all - assert_equal clients.sort_by(&:id), deleted.sort_by(&:id) - assert_equal 0, companies(:first_firm).clients_of_firm.size - assert_equal 0, companies(:first_firm).clients_of_firm(true).size + companies(:first_firm).dependent_clients_of_firm.create("name" => "Another Client") + clients = companies(:first_firm).dependent_clients_of_firm.to_a + assert_equal 3, clients.count + + assert_difference "Client.count", -(clients.count) do + companies(:first_firm).dependent_clients_of_firm.delete_all + end end 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 @@ -823,7 +969,7 @@ 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 @@ -834,7 +980,7 @@ 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 @@ -868,23 +1014,38 @@ 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 - # :dependent means destroy is called on each client + # :delete_all is called on each client since the dependent options is :destroy firm.dependent_clients_of_firm.clear assert_equal 0, firm.dependent_clients_of_firm.size assert_equal 0, firm.dependent_clients_of_firm(true).size - assert_equal [client_id], Client.destroyed_client_ids[firm.id] + assert_equal [], Client.destroyed_client_ids[firm.id] # Should be destroyed since the association is dependent. assert_nil Client.find_by_id(client_id) end + def test_delete_all_with_option_delete_all + firm = companies(:first_firm) + client_id = firm.dependent_clients_of_firm.first.id + firm.dependent_clients_of_firm.delete_all(:delete_all) + assert_nil Client.find_by_id(client_id) + end + + def test_delete_all_accepts_limited_parameters + firm = companies(:first_firm) + assert_raise(ArgumentError) do + firm.dependent_clients_of_firm.delete_all(:destroy) + end + end + 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] @@ -940,10 +1101,10 @@ 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 @@ -975,8 +1136,8 @@ 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 @@ -1013,8 +1174,8 @@ 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 @@ -1024,8 +1185,8 @@ 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 @@ -1035,21 +1196,21 @@ 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 @@ -1058,14 +1219,14 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert !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? { |client| client.frozen? }, "destroyed clients should be frozen" + assert destroyed.all?(&:frozen?), "destroyed clients should be frozen" assert companies(:first_firm).clients_of_firm.empty?, "37signals has no clients after destroy all" assert companies(:first_firm).clients_of_firm(true).empty?, "37signals has no clients after destroy all and refresh" end 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 @@ -1078,14 +1239,14 @@ 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 @@ -1100,12 +1261,12 @@ 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 @@ -1128,21 +1289,6 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal num_accounts, Account.count end - def test_restrict - firm = RestrictedFirm.create!(:name => 'restrict') - firm.companies.create(:name => 'child') - - assert !firm.companies.empty? - assert_raise(ActiveRecord::DeleteRestrictionError) { firm.destroy } - assert RestrictedFirm.exists?(:name => 'restrict') - assert firm.companies.exists?(:name => 'child') - end - - def test_restrict_is_deprecated - klass = Class.new(ActiveRecord::Base) - assert_deprecated { klass.has_many :posts, dependent: :restrict } - end - def test_restrict_with_exception firm = RestrictedWithExceptionFirm.create!(:name => 'restrict') firm.companies.create(:name => 'child') @@ -1169,14 +1315,14 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end def test_included_in_collection - assert companies(:first_firm).clients.include?(Client.find(2)) + assert_equal true, companies(:first_firm).clients.include?(Client.find(2)) end def test_included_in_collection_for_new_records client = Client.create(:name => 'Persisted') assert_nil client.client_of - assert !Firm.new.clients_of_firm.include?(client), - 'includes a client that does not belong to any firm' + assert_equal false, Firm.new.clients_of_firm.include?(client), + 'includes a client that does not belong to any firm' end def test_adding_array_and_collection @@ -1203,7 +1349,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase firm.save firm.reload assert_equal 2, firm.clients.length - assert !firm.clients.include?(:first_client) + assert_equal false, firm.clients.include?(:first_client) end def test_replace_failure @@ -1213,10 +1359,23 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert !account.valid? assert !orig_accounts.empty? - assert_raise ActiveRecord::RecordNotSaved do + error = assert_raise ActiveRecord::RecordNotSaved do firm.accounts = [account] end + assert_equal orig_accounts, firm.accounts + assert_equal "Failed to replace accounts because one or more of the " \ + "new records could not be saved.", error.message + 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 @@ -1234,14 +1393,14 @@ 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 @@ -1256,7 +1415,7 @@ 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 @@ -1264,15 +1423,35 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal [readers(:michael_welcome).id], posts(:welcome).readers_with_person_ids end - def test_get_ids_for_unloaded_finder_sql_associations_loads_them - company = companies(:first_firm) - assert !company.clients_using_sql.loaded? - assert_equal [companies(:second_client).id], company.clients_using_sql_ids - assert company.clients_using_sql.loaded? + def test_get_ids_for_ordered_association + 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_ordered_association - assert_equal [companies(:second_client).id, companies(:first_client).id], companies(:first_firm).clients_ordered_by_name_ids + def test_get_ids_for_association_on_new_record_does_not_try_to_find_records + Company.columns # Load schema information so we don't query below + Contract.columns # if running just this test. + + company = Company.new + assert_queries(0) do + company.contract_ids + end + + assert_equal [], company.contract_ids + end + + def test_set_ids_for_association_on_new_record_applies_association_correctly + contract_a = Contract.create! + contract_b = Contract.create! + Contract.create! # another contract + company = Company.new(:name => "Some Company") + + company.contract_ids = [contract_a.id, contract_b.id] + assert_equal [contract_a.id, contract_b.id], company.contract_ids + assert_equal [contract_a, contract_b], company.contracts + + company.save! + assert_equal company, contract_a.reload.company + assert_equal company, contract_b.reload.company end def test_assign_ids_ignoring_blanks @@ -1281,7 +1460,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase firm.save! assert_equal 2, firm.clients(true).size - assert firm.clients.include?(companies(:second_client)) + assert_equal true, firm.clients.include?(companies(:second_client)) end def test_get_ids_for_through @@ -1315,7 +1494,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_no_queries do assert firm.clients.loaded? - assert firm.clients.include?(client) + assert_equal true, firm.clients.include?(client) end end @@ -1326,33 +1505,23 @@ class HasManyAssociationsTest < ActiveRecord::TestCase firm.reload assert ! firm.clients.loaded? assert_queries(1) do - assert firm.clients.include?(client) + assert_equal true, firm.clients.include?(client) end assert ! firm.clients.loaded? end - def test_include_loads_collection_if_target_uses_finder_sql - firm = companies(:first_firm) - client = firm.clients_using_sql.first - - firm.reload - assert ! firm.clients_using_sql.loaded? - assert firm.clients_using_sql.include?(client) - assert firm.clients_using_sql.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 ! firm.clients.include?(client) + 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 @@ -1362,7 +1531,7 @@ 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 @@ -1377,30 +1546,33 @@ 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 @@ -1421,6 +1593,14 @@ class HasManyAssociationsTest < ActiveRecord::TestCase 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? @@ -1430,15 +1610,17 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end end - def test_calling_first_or_last_with_integer_on_association_should_load_association + 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_queries 1 do + assert_queries 2 do firm.clients.first(2) firm.clients.last(2) end - assert firm.clients.loaded? + assert !firm.clients.loaded? end def test_calling_many_should_count_instead_of_loading_association @@ -1477,7 +1659,7 @@ 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 @@ -1554,7 +1736,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase def test_include_method_in_has_many_association_should_return_true_for_instance_added_with_build post = Post.new comment = post.comments.build - assert post.comments.include?(comment) + assert_equal true, post.comments.include?(comment) end def test_load_target_respects_protected_attributes @@ -1624,6 +1806,22 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal car.id, bulb.attributes_after_initialize['car_id'] end + def test_attributes_are_set_when_initialized_from_has_many_null_relationship + car = Car.new name: 'honda' + bulb = car.bulbs.where(name: 'headlight').first_or_initialize + assert_equal 'headlight', bulb.name + end + + def test_attributes_are_set_when_initialized_from_polymorphic_has_many_null_relationship + post = Post.new title: 'title', body: 'bar' + tag = Tag.create!(name: 'foo') + + tagging = post.taggings.where(tag: tag).first_or_initialize + + assert_equal tag.id, tagging.tag_id + assert_equal 'Post', tagging.taggable_type + end + def test_replace car = Car.create(:name => 'honda') bulb1 = car.bulbs.create @@ -1678,31 +1876,198 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end end - test ":finder_sql is deprecated" do - klass = Class.new(ActiveRecord::Base) - assert_deprecated { klass.has_many :foo, :finder_sql => 'lol' } + test "has many associations on new records use null relations" do + post = Post.new + + assert_no_queries(ignore_none: false) do + assert_equal [], post.comments + assert_equal [], post.comments.where(body: 'omg') + assert_equal [], post.comments.pluck(:body) + assert_equal 0, post.comments.sum(:id) + assert_equal 0, post.comments.count + end + end + + test "collection proxy respects default scope" do + author = authors(:mary) + assert !author.first_posts.exists? + end + + test "association with extend option" do + post = posts(:welcome) + assert_equal "lifo", post.comments_with_extend.author + assert_equal "hello", post.comments_with_extend.greeting + end + + 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 + end + + test "delete record with complex joins" do + david = authors(:david) + + post = david.posts.first + post.type = 'PostWithSpecialCategorization' + post.save + + categorization = post.categorizations.first + categorization.special = true + categorization.save + + assert_not_equal [], david.posts_with_special_categorizations + david.posts_with_special_categorizations = [] + assert_equal [], david.posts_with_special_categorizations + end + + 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') + + 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 + end + + test "can unscope the default scope of the associated model" do + car = Car.create! + bulb1 = Bulb.create! name: "defaulty", car: car + bulb2 = Bulb.create! name: "other", car: car + + assert_equal [bulb1], car.bulbs + assert_equal [bulb1, bulb2], car.all_bulbs.sort_by(&:id) end - test ":counter_sql is deprecated" do - klass = Class.new(ActiveRecord::Base) - assert_deprecated { klass.has_many :foo, :counter_sql => 'lol' } + 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 "sum calculation with block for array compatibility is deprecated" do - assert_deprecated do - posts(:welcome).comments.sum { |c| c.id } + test "raises RecordNotDestroyed when replaced child can't be destroyed" do + car = Car.create! + original_child = FailedBulb.create!(car: car) + + assert_raise(ActiveRecord::RecordNotDestroyed) do + car.failed_bulbs = [FailedBulb.create!] end + + assert_equal [original_child], car.reload.failed_bulbs end - test "has many associations on new records use null relations" do - post = Post.new + test 'updates counter cache when default scope is given' do + topic = DefaultRejectedTopic.create approved: true + + assert_difference "topic.reload.replies_count", 1 do + 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 - assert_equal [], post.comments - assert_equal [], post.comments.where(body: 'omg') - assert_equal [], post.comments.pluck(:body) - assert_equal 0, post.comments.sum(:id) - assert_equal 0, post.comments.count + 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 |