require "cases/helper" require 'models/developer' require 'models/project' require 'models/company' require 'models/topic' require 'models/reply' require 'models/computer' require 'models/customer' require 'models/order' require 'models/categorization' require 'models/category' require 'models/post' require 'models/author' require 'models/comment' require 'models/tag' require 'models/tagging' require 'models/person' require 'models/reader' require 'models/parrot' require 'models/pirate' require 'models/treasure' require 'models/price_estimate' require 'models/club' require 'models/member' require 'models/membership' require 'models/sponsor' class ProjectWithAfterCreateHook < ActiveRecord::Base set_table_name 'projects' has_and_belongs_to_many :developers, :class_name => "DeveloperForProjectWithAfterCreateHook", :join_table => "developers_projects", :foreign_key => "project_id", :association_foreign_key => "developer_id" after_create :add_david def add_david david = DeveloperForProjectWithAfterCreateHook.find_by_name('David') david.projects << self end end class DeveloperForProjectWithAfterCreateHook < ActiveRecord::Base set_table_name 'developers' has_and_belongs_to_many :projects, :class_name => "ProjectWithAfterCreateHook", :join_table => "developers_projects", :association_foreign_key => "project_id", :foreign_key => "developer_id" end class ProjectWithSymbolsForKeys < ActiveRecord::Base set_table_name 'projects' has_and_belongs_to_many :developers, :class_name => "DeveloperWithSymbolsForKeys", :join_table => :developers_projects, :foreign_key => :project_id, :association_foreign_key => "developer_id" end class DeveloperWithSymbolsForKeys < ActiveRecord::Base set_table_name 'developers' has_and_belongs_to_many :projects, :class_name => "ProjectWithSymbolsForKeys", :join_table => :developers_projects, :association_foreign_key => :project_id, :foreign_key => "developer_id" end class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase fixtures :accounts, :companies, :categories, :posts, :categories_posts, :developers, :projects, :developers_projects, :parrots, :pirates, :treasures, :price_estimates def test_has_and_belongs_to_many david = Developer.find(1) assert !david.projects.empty? assert_equal 2, david.projects.size active_record = Project.find(1) assert !active_record.developers.empty? assert_equal 3, active_record.developers.size assert active_record.developers.include?(david) end def test_triple_equality assert !(Array === Developer.find(1).projects) assert Developer.find(1).projects === Array end def test_adding_single jamis = Developer.find(2) jamis.projects.reload # causing the collection to load action_controller = Project.find(2) assert_equal 1, jamis.projects.size assert_equal 1, action_controller.developers.size jamis.projects << action_controller assert_equal 2, jamis.projects.size assert_equal 2, jamis.projects(true).size assert_equal 2, action_controller.developers(true).size end def test_adding_type_mismatch jamis = Developer.find(2) assert_raise(ActiveRecord::AssociationTypeMismatch) { jamis.projects << nil } assert_raise(ActiveRecord::AssociationTypeMismatch) { jamis.projects << 1 } end def test_adding_from_the_project jamis = Developer.find(2) action_controller = Project.find(2) action_controller.developers.reload assert_equal 1, jamis.projects.size assert_equal 1, action_controller.developers.size action_controller.developers << jamis assert_equal 2, jamis.projects(true).size assert_equal 2, action_controller.developers.size assert_equal 2, action_controller.developers(true).size end def test_adding_from_the_project_fixed_timestamp jamis = Developer.find(2) action_controller = Project.find(2) action_controller.developers.reload assert_equal 1, jamis.projects.size assert_equal 1, action_controller.developers.size updated_at = jamis.updated_at action_controller.developers << jamis assert_equal updated_at, jamis.updated_at assert_equal 2, jamis.projects(true).size assert_equal 2, action_controller.developers.size assert_equal 2, action_controller.developers(true).size end def test_adding_multiple aredridel = Developer.new("name" => "Aredridel") aredridel.save aredridel.projects.reload aredridel.projects.push(Project.find(1), Project.find(2)) assert_equal 2, aredridel.projects.size assert_equal 2, aredridel.projects(true).size end def test_adding_a_collection aredridel = Developer.new("name" => "Aredridel") aredridel.save aredridel.projects.reload aredridel.projects.concat([Project.find(1), Project.find(2)]) assert_equal 2, aredridel.projects.size assert_equal 2, aredridel.projects(true).size end def test_adding_uses_default_values_on_join_table ac = projects(:action_controller) assert !developers(:jamis).projects.include?(ac) developers(:jamis).projects << ac assert developers(:jamis, :reload).projects.include?(ac) project = developers(:jamis).projects.detect { |p| p == ac } assert_equal 1, project.access_level.to_i end def test_habtm_attribute_access_and_respond_to project = developers(:jamis).projects[0] assert project.has_attribute?("name") assert project.has_attribute?("joined_on") assert project.has_attribute?("access_level") assert project.respond_to?("name") assert project.respond_to?("name=") assert project.respond_to?("name?") assert project.respond_to?("joined_on") # given that the 'join attribute' won't be persisted, I don't # think we should define the mutators #assert project.respond_to?("joined_on=") assert project.respond_to?("joined_on?") assert project.respond_to?("access_level") #assert project.respond_to?("access_level=") assert project.respond_to?("access_level?") end def test_habtm_adding_before_save no_of_devels = Developer.count no_of_projects = Project.count aredridel = Developer.new("name" => "Aredridel") aredridel.projects.concat([Project.find(1), p = Project.new("name" => "Projekt")]) assert aredridel.new_record? assert p.new_record? assert aredridel.save assert !aredridel.new_record? assert_equal no_of_devels+1, Developer.count assert_equal no_of_projects+1, Project.count assert_equal 2, aredridel.projects.size assert_equal 2, aredridel.projects(true).size end def test_habtm_saving_multiple_relationships new_project = Project.new("name" => "Grimetime") amount_of_developers = 4 developers = (0...amount_of_developers).collect {|i| Developer.create(:name => "JME #{i}") }.reverse new_project.developer_ids = [developers[0].id, developers[1].id] new_project.developers_with_callback_ids = [developers[2].id, developers[3].id] assert new_project.save new_project.reload assert_equal amount_of_developers, new_project.developers.size assert_equal developers, new_project.developers end def test_habtm_unique_order_preserved assert_equal developers(:poor_jamis, :jamis, :david), projects(:active_record).non_unique_developers assert_equal developers(:poor_jamis, :jamis, :david), projects(:active_record).developers end def test_build devel = Developer.find(1) proj = assert_no_queries { devel.projects.build("name" => "Projekt") } assert !devel.projects.loaded? assert_equal devel.projects.last, proj assert devel.projects.loaded? assert proj.new_record? devel.save assert !proj.new_record? assert_equal devel.projects.last, proj assert_equal Developer.find(1).projects.sort_by(&:id).last, proj # prove join table is updated end def test_build_by_new_record devel = Developer.new(:name => "Marcel", :salary => 75000) proj1 = devel.projects.build(:name => "Make bed") proj2 = devel.projects.build(:name => "Lie in it") assert_equal devel.projects.last, proj2 assert proj2.new_record? devel.save assert !devel.new_record? assert !proj2.new_record? assert_equal devel.projects.last, proj2 assert_equal Developer.find_by_name("Marcel").projects.last, proj2 # prove join table is updated end def test_create devel = Developer.find(1) proj = devel.projects.create("name" => "Projekt") assert !devel.projects.loaded? assert_equal devel.projects.last, proj assert devel.projects.loaded? assert !proj.new_record? assert_equal Developer.find(1).projects.sort_by(&:id).last, proj # prove join table is updated end def test_create_by_new_record devel = Developer.new(:name => "Marcel", :salary => 75000) proj1 = devel.projects.build(:name => "Make bed") proj2 = devel.projects.build(:name => "Lie in it") assert_equal devel.projects.last, proj2 assert proj2.new_record? devel.save assert !devel.new_record? assert !proj2.new_record? assert_equal devel.projects.last, proj2 assert_equal Developer.find_by_name("Marcel").projects.last, proj2 # prove join table is updated end def test_creation_respects_hash_condition post = categories(:general).post_with_conditions.build(:body => '') assert post.save assert_equal 'Yet Another Testing Title', post.title another_post = categories(:general).post_with_conditions.create(:body => '') assert !another_post.new_record? assert_equal 'Yet Another Testing Title', another_post.title end def test_uniq_after_the_fact dev = developers(:jamis) dev.projects << projects(:active_record) dev.projects << projects(:active_record) assert_equal 3, dev.projects.size assert_equal 1, dev.projects.uniq.size end def test_uniq_before_the_fact projects(:active_record).developers << developers(:jamis) projects(:active_record).developers << developers(:david) assert_equal 3, projects(:active_record, :reload).developers.size end def test_deleting david = Developer.find(1) active_record = Project.find(1) david.projects.reload assert_equal 2, david.projects.size assert_equal 3, active_record.developers.size david.projects.delete(active_record) assert_equal 1, david.projects.size assert_equal 1, david.projects(true).size assert_equal 2, active_record.developers(true).size end def test_deleting_array david = Developer.find(1) david.projects.reload david.projects.delete(Project.find(:all)) assert_equal 0, david.projects.size assert_equal 0, david.projects(true).size end def test_deleting_with_sql david = Developer.find(1) active_record = Project.find(1) active_record.developers.reload assert_equal 3, active_record.developers_by_sql.size active_record.developers_by_sql.delete(david) assert_equal 2, active_record.developers_by_sql(true).size end def test_deleting_array_with_sql active_record = Project.find(1) active_record.developers.reload assert_equal 3, active_record.developers_by_sql.size active_record.developers_by_sql.delete(Developer.find(:all)) assert_equal 0, active_record.developers_by_sql(true).size end def test_deleting_all david = Developer.find(1) david.projects.reload david.projects.clear assert_equal 0, david.projects.size assert_equal 0, david.projects(true).size end def test_removing_associations_on_destroy david = DeveloperWithBeforeDestroyRaise.find(1) assert !david.projects.empty? assert_nothing_raised { david.destroy } assert david.projects.empty? assert DeveloperWithBeforeDestroyRaise.connection.select_all("SELECT * FROM developers_projects WHERE developer_id = 1").empty? end def test_additional_columns_from_join_table assert_date_from_db Date.new(2004, 10, 10), Developer.find(1).projects.first.joined_on.to_date end def test_destroy_all david = Developer.find(1) david.projects.reload assert !david.projects.empty? david.projects.destroy_all assert david.projects.empty? assert david.projects(true).empty? end def test_deprecated_push_with_attributes_was_removed jamis = developers(:jamis) assert_raise(NoMethodError) do jamis.projects.push_with_attributes(projects(:action_controller), :joined_on => Date.today) end end def test_associations_with_conditions assert_equal 3, projects(:active_record).developers.size assert_equal 1, projects(:active_record).developers_named_david.size assert_equal 1, projects(:active_record).developers_named_david_with_hash_conditions.size assert_equal developers(:david), projects(:active_record).developers_named_david.find(developers(:david).id) assert_equal developers(:david), projects(:active_record).developers_named_david_with_hash_conditions.find(developers(:david).id) assert_equal developers(:david), projects(:active_record).salaried_developers.find(developers(:david).id) projects(:active_record).developers_named_david.clear assert_equal 2, projects(:active_record, :reload).developers.size end def test_find_in_association # Using sql assert_equal developers(:david), projects(:active_record).developers.find(developers(:david).id), "SQL find" # Using ruby active_record = projects(:active_record) active_record.developers.reload assert_equal developers(:david), active_record.developers.find(developers(:david).id), "Ruby find" end def test_include_uses_array_include_after_loaded project = projects(:active_record) project.developers.class # force load target developer = project.developers.first assert_no_queries do assert project.developers.loaded? assert project.developers.include?(developer) end end def test_include_checks_if_record_exists_if_target_not_loaded project = projects(:active_record) developer = project.developers.first project.reload assert ! project.developers.loaded? assert_queries(1) do assert project.developers.include?(developer) end assert ! project.developers.loaded? end def test_include_returns_false_for_non_matching_record_to_verify_scoping project = projects(:active_record) developer = Developer.create :name => "Bryan", :salary => 50_000 assert ! project.developers.loaded? assert ! project.developers.include?(developer) end def test_find_in_association_with_custom_finder_sql assert_equal developers(:david), projects(:active_record).developers_with_finder_sql.find(developers(:david).id), "SQL find" active_record = projects(:active_record) active_record.developers_with_finder_sql.reload assert_equal developers(:david), active_record.developers_with_finder_sql.find(developers(:david).id), "Ruby find" end def test_find_in_association_with_custom_finder_sql_and_string_id assert_equal developers(:david), projects(:active_record).developers_with_finder_sql.find(developers(:david).id.to_s), "SQL find" end def test_find_with_merged_options assert_equal 1, projects(:active_record).limited_developers.size assert_equal 1, projects(:active_record).limited_developers.find(:all).size assert_equal 3, projects(:active_record).limited_developers.find(:all, :limit => nil).size end def test_dynamic_find_should_respect_association_order # Developers are ordered 'name DESC, id DESC' low_id_jamis = developers(:jamis) middle_id_jamis = developers(:poor_jamis) high_id_jamis = projects(:active_record).developers.create(:name => 'Jamis') assert_equal high_id_jamis, projects(:active_record).developers.find(:first, :conditions => "name = 'Jamis'") assert_equal high_id_jamis, projects(:active_record).developers.find_by_name('Jamis') end def test_dynamic_find_order_should_override_association_order # Developers are ordered 'name DESC, id DESC' low_id_jamis = developers(:jamis) middle_id_jamis = developers(:poor_jamis) high_id_jamis = projects(:active_record).developers.create(:name => 'Jamis') assert_equal low_id_jamis, projects(:active_record).developers.find(:first, :conditions => "name = 'Jamis'", :order => 'id') assert_equal low_id_jamis, projects(:active_record).developers.find_by_name('Jamis', :order => 'id') end def test_dynamic_find_all_should_respect_association_order # Developers are ordered 'name DESC, id DESC' low_id_jamis = developers(:jamis) middle_id_jamis = developers(:poor_jamis) high_id_jamis = projects(:active_record).developers.create(:name => 'Jamis') assert_equal [high_id_jamis, middle_id_jamis, low_id_jamis], projects(:active_record).developers.find(:all, :conditions => "name = 'Jamis'") assert_equal [high_id_jamis, middle_id_jamis, low_id_jamis], projects(:active_record).developers.find_all_by_name('Jamis') end def test_dynamic_find_all_order_should_override_association_order # Developers are ordered 'name DESC, id DESC' low_id_jamis = developers(:jamis) middle_id_jamis = developers(:poor_jamis) high_id_jamis = projects(:active_record).developers.create(:name => 'Jamis') assert_equal [low_id_jamis, middle_id_jamis, high_id_jamis], projects(:active_record).developers.find(:all, :conditions => "name = 'Jamis'", :order => 'id') assert_equal [low_id_jamis, middle_id_jamis, high_id_jamis], projects(:active_record).developers.find_all_by_name('Jamis', :order => 'id') end def test_dynamic_find_all_should_respect_association_limit assert_equal 1, projects(:active_record).limited_developers.find(:all, :conditions => "name = 'Jamis'").length assert_equal 1, projects(:active_record).limited_developers.find_all_by_name('Jamis').length end def test_dynamic_find_all_order_should_override_association_limit assert_equal 2, projects(:active_record).limited_developers.find(:all, :conditions => "name = 'Jamis'", :limit => 9_000).length assert_equal 2, projects(:active_record).limited_developers.find_all_by_name('Jamis', :limit => 9_000).length end def test_dynamic_find_all_should_respect_readonly_access projects(:active_record).readonly_developers.each { |d| assert_raise(ActiveRecord::ReadOnlyRecord) { d.save! } if d.valid?} projects(:active_record).readonly_developers.each { |d| d.readonly? } end def test_new_with_values_in_collection jamis = DeveloperForProjectWithAfterCreateHook.find_by_name('Jamis') david = DeveloperForProjectWithAfterCreateHook.find_by_name('David') project = ProjectWithAfterCreateHook.new(:name => "Cooking with Bertie") project.developers << jamis project.save! project.reload assert project.developers.include?(jamis) assert project.developers.include?(david) end def test_find_in_association_with_options developers = projects(:active_record).developers.find(:all) assert_equal 3, developers.size assert_equal developers(:poor_jamis), projects(:active_record).developers.find(:first, :conditions => "salary < 10000") assert_equal developers(:jamis), projects(:active_record).developers.find(:first, :order => "salary DESC") end def test_replace_with_less david = developers(:david) david.projects = [projects(:action_controller)] assert david.save assert_equal 1, david.projects.length end def test_replace_with_new david = developers(:david) david.projects = [projects(:action_controller), Project.new("name" => "ActionWebSearch")] david.save assert_equal 2, david.projects.length assert !david.projects.include?(projects(:active_record)) end def test_replace_on_new_object new_developer = Developer.new("name" => "Matz") new_developer.projects = [projects(:action_controller), Project.new("name" => "ActionWebSearch")] new_developer.save assert_equal 2, new_developer.projects.length end def test_consider_type developer = Developer.find(:first) special_project = SpecialProject.create("name" => "Special Project") other_project = developer.projects.first developer.special_projects << special_project developer.reload assert developer.projects.include?(special_project) assert developer.special_projects.include?(special_project) assert !developer.special_projects.include?(other_project) end def test_update_attributes_after_push_without_duplicate_join_table_rows developer = Developer.new("name" => "Kano") project = SpecialProject.create("name" => "Special Project") assert developer.save developer.projects << project developer.update_attribute("name", "Bruza") assert_equal 1, Developer.connection.select_value(<<-end_sql).to_i SELECT count(*) FROM developers_projects WHERE project_id = #{project.id} AND developer_id = #{developer.id} end_sql end def test_updating_attributes_on_non_rich_associations welcome = categories(:technology).posts.first welcome.title = "Something else" assert welcome.save! end def test_habtm_respects_select categories(:technology).select_testing_posts(true).each do |o| assert_respond_to o, :correctness_marker end assert_respond_to categories(:technology).select_testing_posts.find(:first), :correctness_marker end def test_updating_attributes_on_rich_associations david = projects(:action_controller).developers.first david.name = "DHH" assert_raises(ActiveRecord::ReadOnlyRecord) { david.save! } end def test_updating_attributes_on_rich_associations_with_limited_find_from_reflection david = projects(:action_controller).selected_developers.first david.name = "DHH" assert_nothing_raised { david.save! } end def test_updating_attributes_on_rich_associations_with_limited_find david = projects(:action_controller).developers.find(:all, :select => "developers.*").first david.name = "DHH" assert david.save! end def test_join_table_alias assert_equal 3, Developer.find(:all, :include => {:projects => :developers}, :conditions => 'developers_projects_join.joined_on IS NOT NULL').size end def test_join_with_group group = Developer.columns.inject([]) do |g, c| g << "developers.#{c.name}" g << "developers_projects_2.#{c.name}" end Project.columns.each { |c| group << "projects.#{c.name}" } assert_equal 3, Developer.find(:all, :include => {:projects => :developers}, :conditions => 'developers_projects_join.joined_on IS NOT NULL', :group => group.join(",")).size end def test_get_ids assert_equal projects(:active_record, :action_controller).map(&:id).sort, developers(:david).project_ids.sort assert_equal [projects(:active_record).id], developers(:jamis).project_ids end def test_assign_ids developer = Developer.new("name" => "Joe") developer.project_ids = projects(:active_record, :action_controller).map(&:id) developer.save developer.reload assert_equal 2, developer.projects.length assert_equal projects(:active_record), developer.projects[0] assert_equal projects(:action_controller), developer.projects[1] end def test_assign_ids_ignoring_blanks developer = Developer.new("name" => "Joe") developer.project_ids = [projects(:active_record).id, nil, projects(:action_controller).id, ''] developer.save developer.reload assert_equal 2, developer.projects.length assert_equal projects(:active_record), developer.projects[0] assert_equal projects(:action_controller), developer.projects[1] end def test_select_limited_ids_list # Set timestamps Developer.transaction do Developer.find(:all, :order => 'id').each_with_index do |record, i| record.update_attributes(:created_at => 5.years.ago + (i * 5.minutes)) end end join_base = ActiveRecord::Associations::ClassMethods::JoinDependency::JoinBase.new(Project) join_dep = ActiveRecord::Associations::ClassMethods::JoinDependency.new(join_base, :developers, nil) projects = Project.send(:select_limited_ids_list, {:order => 'developers.created_at'}, join_dep) assert !projects.include?("'"), projects assert_equal %w(1 2), projects.scan(/\d/).sort end def test_scoped_find_on_through_association_doesnt_return_read_only_records tag = Post.find(1).tags.find_by_name("General") assert_nothing_raised do tag.save! end end def test_has_many_through_polymorphic_has_manys_works assert_equal [10, 20].to_set, pirates(:redbeard).treasure_estimates.map(&:price).to_set end def test_symbols_as_keys developer = DeveloperWithSymbolsForKeys.new(:name => 'David') project = ProjectWithSymbolsForKeys.new(:name => 'Rails Testing') project.developers << developer project.save! assert_equal 1, project.developers.size assert_equal 1, developer.projects.size assert_equal developer, project.developers.find(:first) assert_equal project, developer.projects.find(:first) end end