diff options
Diffstat (limited to 'activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb')
| -rw-r--r-- | activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb | 136 |
1 files changed, 108 insertions, 28 deletions
diff --git a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb index aea9207bfe..ccb062f991 100644 --- a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb +++ b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb @@ -3,6 +3,7 @@ require 'models/developer' require 'models/computer' require 'models/project' require 'models/company' +require 'models/course' require 'models/customer' require 'models/order' require 'models/categorization' @@ -14,6 +15,7 @@ require 'models/tagging' require 'models/parrot' require 'models/person' require 'models/pirate' +require 'models/professor' require 'models/treasure' require 'models/price_estimate' require 'models/club' @@ -83,6 +85,25 @@ class DeveloperWithSymbolClassName < Developer has_and_belongs_to_many :projects, class_name: :ProjectWithSymbolsForKeys end +class DeveloperWithExtendOption < Developer + module NamedExtension + def category + 'sns' + end + end + + has_and_belongs_to_many :projects, extend: NamedExtension +end + +class ProjectUnscopingDavidDefaultScope < ActiveRecord::Base + self.table_name = 'projects' + has_and_belongs_to_many :developers, -> { unscope(where: 'name') }, + class_name: "LazyBlockDeveloperCalledDavid", + join_table: "developers_projects", + foreign_key: "project_id", + association_foreign_key: "developer_id" +end + class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase fixtures :accounts, :companies, :categories, :posts, :categories_posts, :developers, :projects, :developers_projects, :parrots, :pirates, :parrots_pirates, :treasures, :price_estimates, :tags, :taggings, :computers @@ -147,8 +168,8 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase 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 + assert_equal 2, jamis.projects.reload.size + assert_equal 2, action_controller.developers.reload.size end def test_adding_type_mismatch @@ -166,9 +187,9 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase action_controller.developers << jamis - assert_equal 2, jamis.projects(true).size + assert_equal 2, jamis.projects.reload.size assert_equal 2, action_controller.developers.size - assert_equal 2, action_controller.developers(true).size + assert_equal 2, action_controller.developers.reload.size end def test_adding_from_the_project_fixed_timestamp @@ -182,9 +203,9 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase action_controller.developers << jamis assert_equal updated_at, jamis.updated_at - assert_equal 2, jamis.projects(true).size + assert_equal 2, jamis.projects.reload.size assert_equal 2, action_controller.developers.size - assert_equal 2, action_controller.developers(true).size + assert_equal 2, action_controller.developers.reload.size end def test_adding_multiple @@ -193,7 +214,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase 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 + assert_equal 2, aredridel.projects.reload.size end def test_adding_a_collection @@ -202,7 +223,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase 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 + assert_equal 2, aredridel.projects.reload.size end def test_habtm_adding_before_save @@ -217,7 +238,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase 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 + assert_equal 2, aredridel.projects.reload.size end def test_habtm_saving_multiple_relationships @@ -234,7 +255,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase assert_equal developers, new_project.developers end - def test_habtm_unique_order_preserved + def test_habtm_distinct_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 @@ -339,7 +360,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase assert_equal 'Yet Another Testing Title', another_post.title end - def test_uniq_after_the_fact + def test_distinct_after_the_fact dev = developers(:jamis) dev.projects << projects(:active_record) dev.projects << projects(:active_record) @@ -348,13 +369,13 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase assert_equal 1, dev.projects.distinct.size end - def test_uniq_before_the_fact + def test_distinct_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_uniq_option_prevents_duplicate_push + def test_distinct_option_prevents_duplicate_push project = projects(:active_record) project.developers << developers(:jamis) project.developers << developers(:david) @@ -365,7 +386,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase assert_equal 3, project.developers.size end - def test_uniq_when_association_already_loaded + def test_distinct_when_association_already_loaded project = projects(:active_record) project.developers << [ developers(:jamis), developers(:david), developers(:jamis), developers(:david) ] assert_equal 3, Project.includes(:developers).find(project.id).developers.size @@ -381,8 +402,8 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase 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 + assert_equal 1, david.projects.reload.size + assert_equal 2, active_record.developers.reload.size end def test_deleting_array @@ -390,7 +411,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase david.projects.reload david.projects.delete(Project.all.to_a) assert_equal 0, david.projects.size - assert_equal 0, david.projects(true).size + assert_equal 0, david.projects.reload.size end def test_deleting_all @@ -398,7 +419,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase david.projects.reload david.projects.clear assert_equal 0, david.projects.size - assert_equal 0, david.projects(true).size + assert_equal 0, david.projects.reload.size end def test_removing_associations_on_destroy @@ -424,7 +445,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase assert join_records.empty? assert_equal 1, david.reload.projects.size - assert_equal 1, david.projects(true).size + assert_equal 1, david.projects.reload.size end def test_destroying_many @@ -440,7 +461,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase assert join_records.empty? assert_equal 0, david.reload.projects.size - assert_equal 0, david.projects(true).size + assert_equal 0, david.projects.reload.size end def test_destroy_all @@ -456,7 +477,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase assert join_records.empty? assert david.projects.empty? - assert david.projects(true).empty? + assert david.projects.reload.empty? end def test_destroy_associations_destroys_multiple_associations @@ -472,11 +493,11 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase join_records = Parrot.connection.select_all("SELECT * FROM parrots_pirates WHERE parrot_id = #{george.id}") assert join_records.empty? - assert george.pirates(true).empty? + assert george.pirates.reload.empty? join_records = Parrot.connection.select_all("SELECT * FROM parrots_treasures WHERE parrot_id = #{george.id}") assert join_records.empty? - assert george.treasures(true).empty? + assert george.treasures.reload.empty? end def test_associations_with_conditions @@ -577,6 +598,11 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase assert_equal developers(:poor_jamis), projects(:active_record).developers.where("salary < 10000").first end + def test_association_with_extend_option + eponine = DeveloperWithExtendOption.create(name: 'Eponine') + assert_equal 'sns', eponine.projects.category + end + def test_replace_with_less david = developers(:david) david.projects = [projects(:action_controller)] @@ -639,7 +665,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase end def test_habtm_respects_select - categories(:technology).select_testing_posts(true).each do |o| + categories(:technology).select_testing_posts.reload.each do |o| assert_respond_to o, :correctness_marker end assert_respond_to categories(:technology).select_testing_posts.first, :correctness_marker @@ -711,7 +737,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase def test_get_ids_for_loaded_associations developer = developers(:david) - developer.projects(true) + developer.projects.reload assert_queries(0) do developer.project_ids developer.project_ids @@ -779,9 +805,10 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase end def test_association_proxy_transaction_method_starts_transaction_in_association_class - Post.expects(:transaction) - Category.first.posts.transaction do - # nothing + assert_called(Post, :transaction) do + Category.first.posts.transaction do + # nothing + end end end @@ -902,4 +929,57 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase DeveloperWithSymbolClassName.new end end + + def test_association_force_reload_with_only_true_is_deprecated + developer = Developer.find(1) + + assert_deprecated { developer.projects(true) } + end + + def test_alternate_database + professor = Professor.create(name: "Plum") + course = Course.create(name: "Forensics") + assert_equal 0, professor.courses.count + assert_nothing_raised do + professor.courses << course + end + assert_equal 1, professor.courses.count + end + + def test_habtm_scope_can_unscope + project = ProjectUnscopingDavidDefaultScope.new + project.save! + + developer = LazyBlockDeveloperCalledDavid.new(name: "Not David") + developer.save! + project.developers << developer + + projects = ProjectUnscopingDavidDefaultScope.includes(:developers).where(id: project.id) + assert_equal 1, projects.first.developers.size + end + + def test_preloaded_associations_size + assert_equal Project.first.salaried_developers.size, + Project.preload(:salaried_developers).first.salaried_developers.size + + assert_equal Project.includes(:salaried_developers).references(:salaried_developers).first.salaried_developers.size, + Project.preload(:salaried_developers).first.salaried_developers.size + + # Nested HATBM + first_project = Developer.first.projects.first + preloaded_first_project = + Developer.preload(projects: :salaried_developers). + first. + projects. + detect { |p| p.id == first_project.id } + + assert preloaded_first_project.salaried_developers.loaded?, true + assert_equal first_project.salaried_developers.size, preloaded_first_project.salaried_developers.size + end + + def test_has_and_belongs_to_many_is_useable_with_belongs_to_required_by_default + assert_difference "Project.first.developers_required_by_default.size", 1 do + Project.first.developers_required_by_default.create!(name: "Sean", salary: 50000) + end + end end |