require "cases/helper" require 'models/developer' require 'models/project' require 'models/company' require 'models/topic' require 'models/reply' require 'models/category' require 'models/post' require 'models/author' require 'models/comment' require 'models/person' require 'models/reader' class HasManyAssociationsTest < ActiveRecord::TestCase fixtures :accounts, :categories, :companies, :developers, :projects, :developers_projects, :topics, :authors, :comments, :author_addresses, :people, :posts, :readers def setup Client.destroyed_client_ids.clear end def force_signal37_to_load_all_clients_of_firm companies(:first_firm).clients_of_firm.each {|f| } end def test_counting_with_counter_sql assert_equal 2, Firm.find(:first).clients.count end def test_counting assert_equal 2, Firm.find(:first).plain_clients.count end def test_counting_with_empty_hash_conditions assert_equal 2, Firm.find(:first).plain_clients.count(:conditions => {}) end def test_counting_with_single_conditions assert_equal 1, Firm.find(:first).plain_clients.count(:conditions => ['name=?', "Microsoft"]) end def test_counting_with_single_hash assert_equal 1, Firm.find(:first).plain_clients.count(:conditions => {:name => "Microsoft"}) end def test_counting_with_column_name_and_hash assert_equal 2, Firm.find(:first).plain_clients.count(:name) end def test_counting_with_association_limit firm = companies(:first_firm) assert_equal firm.limited_clients.length, firm.limited_clients.size assert_equal firm.limited_clients.length, firm.limited_clients.count end def test_finding assert_equal 2, Firm.find(:first).clients.length end def test_find_with_blank_conditions [[], {}, nil, ""].each do |blank| assert_equal 2, Firm.find(:first).clients.find(:all, :conditions => blank).size end 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.find(:all).size assert_equal 2, companies(:first_firm).limited_clients.find(:all, :limit => nil).size end def test_dynamic_find_last_without_specified_order assert_equal companies(:second_client), companies(:first_firm).unsorted_clients.find_last_by_type('Client') end def test_dynamic_find_should_respect_association_order assert_equal companies(:second_client), companies(:first_firm).clients_sorted_desc.find(:first, :conditions => "type = 'Client'") assert_equal companies(:second_client), companies(:first_firm).clients_sorted_desc.find_by_type('Client') end def test_dynamic_find_order_should_override_association_order assert_equal companies(:first_client), companies(:first_firm).clients_sorted_desc.find(:first, :conditions => "type = 'Client'", :order => 'id') assert_equal companies(:first_client), companies(:first_firm).clients_sorted_desc.find_by_type('Client', :order => 'id') end def test_dynamic_find_all_should_respect_association_order assert_equal [companies(:second_client), companies(:first_client)], companies(:first_firm).clients_sorted_desc.find(:all, :conditions => "type = 'Client'") assert_equal [companies(:second_client), companies(:first_client)], companies(:first_firm).clients_sorted_desc.find_all_by_type('Client') end def test_dynamic_find_all_order_should_override_association_order assert_equal [companies(:first_client), companies(:second_client)], companies(:first_firm).clients_sorted_desc.find(:all, :conditions => "type = 'Client'", :order => 'id') assert_equal [companies(:first_client), companies(:second_client)], companies(:first_firm).clients_sorted_desc.find_all_by_type('Client', :order => 'id') end def test_dynamic_find_all_should_respect_association_limit assert_equal 1, companies(:first_firm).limited_clients.find(:all, :conditions => "type = 'Client'").length assert_equal 1, companies(:first_firm).limited_clients.find_all_by_type('Client').length end def test_dynamic_find_all_limit_should_override_association_limit assert_equal 2, companies(:first_firm).limited_clients.find(:all, :conditions => "type = 'Client'", :limit => 9_000).length assert_equal 2, companies(:first_firm).limited_clients.find_all_by_type('Client', :limit => 9_000).length end def test_dynamic_find_all_should_respect_readonly_access companies(:first_firm).readonly_clients.find(:all).each { |c| assert_raise(ActiveRecord::ReadOnlyRecord) { c.save! } } companies(:first_firm).readonly_clients.find(:all).each { |c| assert c.readonly? } end def test_cant_save_has_many_readonly_association authors(:david).readonly_comments.each { |c| assert_raise(ActiveRecord::ReadOnlyRecord) { c.save! } } authors(:david).readonly_comments.each { |c| assert c.readonly? } end def test_triple_equality assert !(Array === Firm.find(:first).clients) assert Firm.find(:first).clients === Array end def test_finding_default_orders assert_equal "Summit", Firm.find(:first).clients.first.name end def test_finding_with_different_class_name_and_order assert_equal "Microsoft", Firm.find(:first).clients_sorted_desc.first.name end def test_finding_with_foreign_key assert_equal "Microsoft", Firm.find(:first).clients_of_firm.first.name end def test_finding_with_condition assert_equal "Microsoft", Firm.find(:first).clients_like_ms.first.name end def test_finding_with_condition_hash assert_equal "Microsoft", Firm.find(:first).clients_like_ms_with_hash_conditions.first.name end def test_finding_using_primary_key assert_equal "Summit", Firm.find(:first).clients_using_primary_key.first.name end def test_finding_using_sql firm = Firm.find(: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.find(:first).clients_using_sql.size end def test_counting_using_sql assert_equal 1, Firm.find(:first).clients_using_counter_sql.size assert Firm.find(:first).clients_using_counter_sql.any? assert_equal 0, Firm.find(:first).clients_using_zero_counter_sql.size assert !Firm.find(:first).clients_using_zero_counter_sql.any? end def test_counting_non_existant_items_using_sql assert_equal 0, Firm.find(:first).no_clients_using_counter_sql.size end def test_belongs_to_sanity c = Client.new assert_nil c.firm if c.firm assert false, "belongs_to failed if check" end unless c.firm else assert false, "belongs_to failed unless check" end end def test_find_ids firm = Firm.find(:first) assert_raise(ActiveRecord::RecordNotFound) { firm.clients.find } client = firm.clients.find(2) assert_kind_of Client, client client_ary = firm.clients.find([2]) assert_kind_of Array, client_ary assert_equal client, client_ary.first client_ary = firm.clients.find(2, 3) assert_kind_of Array, client_ary assert_equal 2, client_ary.size assert_equal client, client_ary.first assert_raise(ActiveRecord::RecordNotFound) { firm.clients.find(2, 99) } end def test_find_string_ids_when_using_finder_sql firm = Firm.find(:first) client = firm.clients_using_finder_sql.find("2") assert_kind_of Client, client client_ary = firm.clients_using_finder_sql.find(["2"]) 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.find(:first) assert_equal 2, firm.clients.find(:all, :conditions => "#{QUOTED_TYPE} = 'Client'").length assert_equal 1, firm.clients.find(:all, :conditions => "name = 'Summit'").length end def test_find_each firm = companies(:first_firm) assert ! firm.clients.loaded? assert_queries(3) do firm.clients.find_each(:batch_size => 1) {|c| assert_equal firm.id, c.firm_id } end assert ! firm.clients.loaded? end def test_find_each_with_conditions firm = companies(:first_firm) assert_queries(2) do firm.clients.find_each(:batch_size => 1, :conditions => {:name => "Microsoft"}) do |c| assert_equal firm.id, c.firm_id assert_equal "Microsoft", c.name end end assert ! firm.clients.loaded? end def test_find_in_batches firm = companies(:first_firm) assert ! firm.clients.loaded? assert_queries(2) do firm.clients.find_in_batches(:batch_size => 2) do |clients| clients.each {|c| assert_equal firm.id, c.firm_id } end end assert ! firm.clients.loaded? end def test_find_all_sanitized firm = Firm.find(:first) summit = firm.clients.find(:all, :conditions => "name = 'Summit'") assert_equal summit, firm.clients.find(:all, :conditions => ["name = ?", "Summit"]) assert_equal summit, firm.clients.find(:all, :conditions => ["name = :name", { :name => "Summit" }]) end def test_find_first firm = Firm.find(:first) client2 = Client.find(2) assert_equal firm.clients.first, firm.clients.find(:first) assert_equal client2, firm.clients.find(:first, :conditions => "#{QUOTED_TYPE} = 'Client'") end def test_find_first_sanitized firm = Firm.find(:first) client2 = Client.find(2) assert_equal client2, firm.clients.find(:first, :conditions => ["#{QUOTED_TYPE} = ?", 'Client']) assert_equal client2, firm.clients.find(:first, :conditions => ["#{QUOTED_TYPE} = :type", { :type => 'Client' }]) end def test_find_in_collection assert_equal Client.find(2).name, companies(:first_firm).clients.find(2).name assert_raise(ActiveRecord::RecordNotFound) { companies(:first_firm).clients.find(6) } end def test_find_grouped all_clients_of_firm1 = Client.find(:all, :conditions => "firm_id = 1") grouped_clients_of_firm1 = Client.find(:all, :conditions => "firm_id = 1", :group => "firm_id", :select => 'firm_id, count(id) as clients_count') assert_equal 2, 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 end def test_find_scoped_grouped_having assert_equal 1, authors(:david).popular_grouped_posts.length assert_equal 0, authors(:mary).popular_grouped_posts.length 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 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 natural = first_firm.plain_clients.create(:name => "Natural Company") assert_equal 3, first_firm.plain_clients.length assert_equal 3, first_firm.plain_clients.size end def test_create_with_bang_on_has_many_when_parent_is_new_raises assert_raise(ActiveRecord::RecordNotSaved) do firm = Firm.new firm.plain_clients.create! :name=>"Whoever" end end def test_regular_create_on_has_many_when_parent_is_new_raises assert_raise(ActiveRecord::RecordNotSaved) do firm = Firm.new firm.plain_clients.create :name=>"Whoever" end end def test_create_with_bang_on_has_many_raises_when_record_not_saved assert_raise(ActiveRecord::RecordInvalid) do firm = Firm.find(:first) firm.plain_clients.create! end end def test_create_with_bang_on_habtm_when_parent_is_new_raises assert_raise(ActiveRecord::RecordNotSaved) do Developer.new("name" => "Aredridel").projects.create! end end def test_adding_a_mismatch_class assert_raise(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).clients_of_firm << nil } assert_raise(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).clients_of_firm << 1 } assert_raise(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).clients_of_firm << Topic.find(1) } end 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 end def test_build company = companies(:first_firm) new_client = assert_no_queries { company.clients_of_firm.build("name" => "Another Client") } assert !company.clients_of_firm.loaded? assert_equal "Another Client", new_client.name assert new_client.new_record? assert_equal new_client, company.clients_of_firm.last end def test_collection_size_after_building 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 end def test_collection_size_twice_for_regressions post = posts(:thinking) assert_equal 0, post.readers.size # This test needs a post that has no readers, we assert it to ensure it holds, # but need to reload the post because the very call to #size hides the bug. post.reload post.readers.build size1 = post.readers.size size2 = post.readers.size assert_equal size1, size2 end 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"}]) } assert_equal 2, new_clients.size end def test_build_followed_by_save_does_not_load_target new_client = companies(:first_firm).clients_of_firm.build("name" => "Another Client") assert companies(:first_firm).save assert !companies(:first_firm).clients_of_firm.loaded? end def test_build_without_loading_association first_topic = topics(:first) Reply.column_names assert_equal 1, first_topic.replies.length assert_no_queries do first_topic.replies.build(:title => "Not saved", :content => "Superstars") assert_equal 2, first_topic.replies.size end assert_equal 2, first_topic.replies.to_ary.size end def test_build_via_block company = companies(:first_firm) new_client = assert_no_queries { company.clients_of_firm.build {|client| client.name = "Another Client" } } assert !company.clients_of_firm.loaded? assert_equal "Another Client", new_client.name assert new_client.new_record? assert_equal new_client, company.clients_of_firm.last end def test_build_many_via_block company = companies(:first_firm) new_clients = assert_no_queries do company.clients_of_firm.build([{"name" => "Another Client"}, {"name" => "Another Client II"}]) do |client| client.name = "changed" end end assert_equal 2, new_clients.size assert_equal "changed", new_clients.first.name assert_equal "changed", new_clients.last.name end def test_create_without_loading_association first_firm = companies(:first_firm) Firm.column_names Client.column_names assert_equal 1, 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 end def test_create force_signal37_to_load_all_clients_of_firm new_client = companies(:first_firm).clients_of_firm.create("name" => "Another Client") assert !new_client.new_record? assert_equal new_client, companies(:first_firm).clients_of_firm.last assert_equal new_client, companies(:first_firm).clients_of_firm(true).last end 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 end def test_create_followed_by_save_does_not_load_target new_client = companies(:first_firm).clients_of_firm.create("name" => "Another Client") assert companies(:first_firm).save assert !companies(:first_firm).clients_of_firm.loaded? end def test_find_or_initialize the_client = companies(:first_firm).clients.find_or_initialize_by_name("Yet another client") assert_equal companies(:first_firm).id, the_client.firm_id assert_equal "Yet another client", the_client.name assert the_client.new_record? end def test_find_or_create number_of_clients = companies(:first_firm).clients.size the_client = companies(:first_firm).clients.find_or_create_by_name("Yet another client") assert_equal number_of_clients + 1, companies(:first_firm, :reload).clients.size assert_equal the_client, companies(:first_firm).clients.find_or_create_by_name("Yet another client") assert_equal number_of_clients + 1, companies(:first_firm, :reload).clients.size end 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 end def test_deleting_before_save new_firm = Firm.new("name" => "A New Firm, Inc.") new_client = new_firm.clients_of_firm.build("name" => "Another Client") assert_equal 1, new_firm.clients_of_firm.size new_firm.clients_of_firm.delete(new_client) assert_equal 0, new_firm.clients_of_firm.size 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 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") assert_equal 2, companies(:first_firm).clients_of_firm.size companies(:first_firm).clients_of_firm.delete_all 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_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 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 assert_equal 0, companies(:first_firm).clients_of_firm(true).size end 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 firm.clients_of_firm.clear assert_equal 0, firm.clients_of_firm.size assert_equal 0, firm.clients_of_firm(true).size assert_equal [], Client.destroyed_client_ids[firm.id] # Should not be destroyed since the association is not dependent. assert_nothing_raised do assert Client.find(client_id).firm.nil? end end 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 # :dependent means destroy is called on each client 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] # Should be destroyed since the association is dependent. assert Client.find_by_id(client_id).nil? 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 [], Client.destroyed_client_ids[firm.id] # :exclusively_dependent means each client is deleted directly from # the database without looping through them calling destroy. firm.exclusively_dependent_clients_of_firm.clear assert_equal 0, firm.exclusively_dependent_clients_of_firm.size assert_equal 0, firm.exclusively_dependent_clients_of_firm(true).size # no destroy-filters should have been called assert_equal [], Client.destroyed_client_ids[firm.id] # Should be destroyed since the association is exclusively dependent. assert Client.find_by_id(client_id).nil? end def test_dependent_association_respects_optional_conditions_on_delete firm = companies(:odegy) Client.create(:client_of => firm.id, :name => "BigShot Inc.") 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.find_all_by_client_of(firm.id).size assert_equal 1, firm.dependent_conditional_clients_of_firm.size firm.destroy # only the correctly associated client should have been deleted assert_equal 1, Client.find_all_by_client_of(firm.id).size end def test_dependent_association_respects_optional_sanitized_conditions_on_delete firm = companies(:odegy) Client.create(:client_of => firm.id, :name => "BigShot Inc.") 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.find_all_by_client_of(firm.id).size assert_equal 1, firm.dependent_sanitized_conditional_clients_of_firm.size firm.destroy # only the correctly associated client should have been deleted assert_equal 1, Client.find_all_by_client_of(firm.id).size end def test_dependent_association_respects_optional_hash_conditions_on_delete firm = companies(:odegy) Client.create(:client_of => firm.id, :name => "BigShot Inc.") 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.find_all_by_client_of(firm.id).size assert_equal 1, firm.dependent_sanitized_conditional_clients_of_firm.size firm.destroy # only the correctly associated client should have been deleted assert_equal 1, Client.find_all_by_client_of(firm.id).size end 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 another_ms_client = companies(:first_firm).clients_like_ms_with_hash_conditions.create assert !another_ms_client.new_record? assert_equal 'Microsoft', another_ms_client.name end def test_dependent_delete_and_destroy_with_belongs_to author_address = author_addresses(:david_address) assert_equal [], AuthorAddress.destroyed_author_address_ids[authors(:david).id] assert_difference "AuthorAddress.count", -2 do authors(:david).destroy end assert_equal nil, AuthorAddress.find_by_id(authors(:david).author_address_id) assert_equal nil, AuthorAddress.find_by_id(authors(:david).author_address_extra_id) end def test_invalid_belongs_to_dependent_option_raises_exception assert_raise ArgumentError do Author.belongs_to :special_author_address, :dependent => :nullify end end def test_clearing_without_initial_access firm = companies(:first_firm) firm.clients_of_firm.clear assert_equal 0, firm.clients_of_firm.size assert_equal 0, firm.clients_of_firm(true).size end def test_deleting_a_item_which_is_not_in_the_collection 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, summit.client_of end def test_deleting_type_mismatch david = Developer.find(1) david.projects.reload assert_raise(ActiveRecord::AssociationTypeMismatch) { david.projects.delete(1) } end def test_deleting_self_type_mismatch david = Developer.find(1) david.projects.reload assert_raise(ActiveRecord::AssociationTypeMismatch) { david.projects.delete(Project.find(1).developers) } end def test_destroying force_signal37_to_load_all_clients_of_firm assert_difference "Client.count", -1 do 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 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_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 end def test_destroy_all force_signal37_to_load_all_clients_of_firm assert !companies(:first_firm).clients_of_firm.empty?, "37signals has clients after load" companies(:first_firm).clients_of_firm.destroy_all 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 firm.destroy assert Client.find(:all, :conditions => "firm_id=#{firm.id}").empty? end def test_destroy_dependent_when_deleted_from_association firm = Firm.find(:first) assert_equal 2, 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 end def test_three_levels_of_dependence topic = Topic.create "title" => "neat and simple" reply = topic.replies.create "title" => "neat and simple", "content" => "still digging it" silly_reply = reply.replies.create "title" => "neat and simple", "content" => "ain't complaining" assert_nothing_raised { topic.destroy } end uses_transaction :test_dependence_with_transaction_support_on_failure def test_dependence_with_transaction_support_on_failure firm = companies(:first_firm) clients = firm.clients assert_equal 2, clients.length clients.last.instance_eval { def before_destroy() raise "Trigger rollback" end } firm.destroy rescue "do nothing" assert_equal 2, Client.find(:all, :conditions => "firm_id=#{firm.id}").size end def test_dependence_on_account num_accounts = Account.count companies(:first_firm).destroy assert_equal num_accounts - 1, Account.count end def test_depends_and_nullify num_accounts = Account.count num_companies = Company.count core = companies(:rails_core) assert_equal accounts(:rails_core_account), core.account assert_equal companies(:leetsoft, :jadedpixel), core.companies core.destroy assert_nil accounts(:rails_core_account).reload.firm_id assert_nil companies(:leetsoft).reload.client_of assert_nil companies(:jadedpixel).reload.client_of assert_equal num_accounts, Account.count end def test_included_in_collection assert companies(:first_firm).clients.include?(Client.find(2)) end def test_adding_array_and_collection assert_nothing_raised { Firm.find(:first).clients + Firm.find(:all).last.clients } end def test_find_all_without_conditions firm = companies(:first_firm) assert_equal 2, firm.clients.find(:all).length end def test_replace_with_less firm = Firm.find(:first) firm.clients = [companies(:first_client)] assert firm.save, "Could not save firm" firm.reload assert_equal 1, firm.clients.length end def test_replace_with_less_and_dependent_nullify num_companies = Company.count companies(:rails_core).companies = [] assert_equal num_companies, Company.count end def test_replace_with_new firm = Firm.find(:first) firm.clients = [companies(:second_client), Client.new("name" => "New Client")] firm.save firm.reload assert_equal 2, firm.clients.length assert !firm.clients.include?(:first_client) end def test_get_ids assert_equal [companies(:first_client).id, companies(:second_client).id], companies(:first_firm).client_ids end def test_get_ids_for_loaded_associations company = companies(:first_firm) company.clients(true) assert_queries(0) do company.client_ids company.client_ids end end 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 !company.clients.loaded? 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? end def test_assign_ids_ignoring_blanks firm = Firm.create!(:name => 'Apple') firm.client_ids = [companies(:first_client).id, nil, companies(:second_client).id, ''] firm.save! assert_equal 2, firm.clients(true).size assert firm.clients.include?(companies(:second_client)) end def test_get_ids_for_through assert_equal [comments(:eager_other_comment1).id], authors(:mary).comment_ids end def test_modifying_a_through_a_has_many_should_raise [ lambda { authors(:mary).comment_ids = [comments(:greetings).id, comments(:more_greetings).id] }, lambda { authors(:mary).comments = [comments(:greetings), comments(:more_greetings)] }, lambda { authors(:mary).comments << Comment.create!(:body => "Yay", :post_id => 424242) }, lambda { authors(:mary).comments.delete(authors(:mary).comments.first) }, ].each {|block| assert_raise(ActiveRecord::HasManyThroughCantAssociateThroughHasManyReflection, &block) } end def test_dynamic_find_should_respect_association_order_for_through assert_equal Comment.find(10), authors(:david).comments_desc.find(:first, :conditions => "comments.type = 'SpecialComment'") assert_equal Comment.find(10), authors(:david).comments_desc.find_by_type('SpecialComment') end def test_dynamic_find_order_should_override_association_order_for_through assert_equal Comment.find(3), authors(:david).comments_desc.find(:first, :conditions => "comments.type = 'SpecialComment'", :order => 'comments.id') assert_equal Comment.find(3), authors(:david).comments_desc.find_by_type('SpecialComment', :order => 'comments.id') end def test_dynamic_find_all_should_respect_association_order_for_through assert_equal [Comment.find(10), Comment.find(7), Comment.find(6), Comment.find(3)], authors(:david).comments_desc.find(:all, :conditions => "comments.type = 'SpecialComment'") assert_equal [Comment.find(10), Comment.find(7), Comment.find(6), Comment.find(3)], authors(:david).comments_desc.find_all_by_type('SpecialComment') end def test_dynamic_find_all_order_should_override_association_order_for_through assert_equal [Comment.find(3), Comment.find(6), Comment.find(7), Comment.find(10)], authors(:david).comments_desc.find(:all, :conditions => "comments.type = 'SpecialComment'", :order => 'comments.id') assert_equal [Comment.find(3), Comment.find(6), Comment.find(7), Comment.find(10)], authors(:david).comments_desc.find_all_by_type('SpecialComment', :order => 'comments.id') end def test_dynamic_find_all_should_respect_association_limit_for_through assert_equal 1, authors(:david).limited_comments.find(:all, :conditions => "comments.type = 'SpecialComment'").length assert_equal 1, authors(:david).limited_comments.find_all_by_type('SpecialComment').length end def test_dynamic_find_all_order_should_override_association_limit_for_through assert_equal 4, authors(:david).limited_comments.find(:all, :conditions => "comments.type = 'SpecialComment'", :limit => 9_000).length assert_equal 4, authors(:david).limited_comments.find_all_by_type('SpecialComment', :limit => 9_000).length end def test_find_all_include_over_the_same_table_for_through assert_equal 2, people(:michael).posts.find(:all, :include => :people).length end def test_has_many_through_respects_hash_conditions assert_equal authors(:david).hello_posts, authors(:david).hello_posts_with_hash_conditions assert_equal authors(:david).hello_post_comments, authors(:david).hello_post_comments_with_hash_conditions end def test_include_uses_array_include_after_loaded firm = companies(:first_firm) firm.clients.class # force load target client = firm.clients.first assert_no_queries do assert firm.clients.loaded? assert firm.clients.include?(client) end end def test_include_checks_if_record_exists_if_target_not_loaded firm = companies(:first_firm) client = firm.clients.first firm.reload assert ! firm.clients.loaded? assert_queries(1) do assert 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) end def test_calling_first_or_last_on_association_should_not_load_association firm = companies(:first_firm) firm.clients.first firm.clients.last assert !firm.clients.loaded? end def test_calling_first_or_last_on_loaded_association_should_not_fetch_with_query firm = companies(:first_firm) firm.clients.class # force load target assert firm.clients.loaded? assert_no_queries do firm.clients.first assert_equal 2, firm.clients.first(2).size firm.clients.last assert_equal 2, firm.clients.last(2).size end end 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_queries 1 do firm.clients.first firm.clients.last end assert firm.clients.loaded? end def test_calling_first_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 firm.clients.first firm.clients.last end assert !firm.clients.loaded? end def test_calling_first_or_last_on_new_record_should_not_run_queries firm = Firm.new assert_no_queries do firm.clients.first firm.clients.last end end def test_calling_first_or_last_with_find_options_on_loaded_association_should_fetch_with_query firm = companies(:first_firm) firm.clients.class # force load target assert_queries 2 do assert firm.clients.loaded? firm.clients.first(:order => 'name') firm.clients.last(:order => 'name') end end def test_calling_first_or_last_with_integer_on_association_should_load_association firm = companies(:first_firm) assert_queries 1 do firm.clients.first(2) firm.clients.last(2) end assert firm.clients.loaded? end def test_joins_with_namespaced_model_should_use_correct_type old = ActiveRecord::Base.store_full_sti_class ActiveRecord::Base.store_full_sti_class = true firm = Namespaced::Firm.create({ :name => 'Some Company' }) firm.clients.create({ :name => 'Some Client' }) stats = Namespaced::Firm.find(firm.id, { :select => "#{Namespaced::Firm.table_name}.id, COUNT(#{Namespaced::Client.table_name}.id) AS num_clients", :joins => :clients, :group => "#{Namespaced::Firm.table_name}.id" }) assert_equal 1, stats.num_clients.to_i ensure ActiveRecord::Base.store_full_sti_class = old end def test_association_proxy_transaction_method_starts_transaction_in_association_class Comment.expects(:transaction) Post.find(:first).comments.transaction do # nothing end end def test_sending_new_to_association_proxy_should_have_same_effect_as_calling_new client_association = companies(:first_firm).clients 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.find(:first) client = firm.clients_using_primary_key.create!(:name => 'test') assert_equal firm.name, client.firm_name end end