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 | 306 |
1 files changed, 261 insertions, 45 deletions
diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb index e34b993029..fde7b0ea3a 100644 --- a/activerecord/test/cases/associations/has_many_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_associations_test.rb @@ -1,11 +1,13 @@ require "cases/helper" require 'models/developer' +require 'models/computer' require 'models/project' require 'models/company' require 'models/contract' require 'models/topic' require 'models/reply' require 'models/category' +require 'models/image' require 'models/post' require 'models/author' require 'models/essay' @@ -29,6 +31,8 @@ require 'models/student' require 'models/pirate' require 'models/ship' require 'models/tyre' +require 'models/subscriber' +require 'models/subscription' class HasManyAssociationsTestForReorderWithJoinDependency < ActiveRecord::TestCase fixtures :authors, :posts, :comments @@ -41,12 +45,59 @@ class HasManyAssociationsTestForReorderWithJoinDependency < ActiveRecord::TestCa end end +class HasManyAssociationsTestPrimaryKeys < ActiveRecord::TestCase + fixtures :authors, :essays, :subscribers, :subscriptions, :people + + def test_custom_primary_key_on_new_record_should_fetch_with_query + subscriber = Subscriber.new(nick: 'webster132') + assert !subscriber.subscriptions.loaded? + + assert_queries 1 do + assert_equal 2, subscriber.subscriptions.size + end + + assert_equal subscriber.subscriptions, Subscription.where(subscriber_id: 'webster132') + end + + def test_association_primary_key_on_new_record_should_fetch_with_query + author = Author.new(:name => "David") + assert !author.essays.loaded? + + assert_queries 1 do + assert_equal 1, author.essays.size + end + + assert_equal author.essays, Essay.where(writer_id: "David") + end + + def test_has_many_custom_primary_key + david = authors(:david) + 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? + + assert_queries 0 do + assert_equal 0, author.essays.size + end + end +end class HasManyAssociationsTest < ActiveRecord::TestCase fixtures :accounts, :categories, :companies, :developers, :projects, :developers_projects, :topics, :authors, :comments, - :people, :posts, :readers, :taggings, :cars, :essays, - :categorizations, :jobs, :tags + :posts, :readers, :taggings, :cars, :jobs, :tags, + :categorizations def setup Client.destroyed_client_ids.clear @@ -76,6 +127,32 @@ class HasManyAssociationsTest < ActiveRecord::TestCase dev.developer_projects.map(&:project_id).sort end + def test_default_scope_on_relations_is_not_cached + counter = 0 + posts = Class.new(ActiveRecord::Base) { + self.table_name = 'posts' + self.inheritance_column = 'not_there' + post = self + + comments = Class.new(ActiveRecord::Base) { + self.table_name = 'comments' + self.inheritance_column = 'not_there' + belongs_to :post, :class => post + default_scope -> { + counter += 1 + where("id = :inc", :inc => counter) + } + } + has_many :comments, :class => comments, :foreign_key => 'post_id' + } + assert_equal 0, counter + post = posts.first + assert_equal 0, counter + sql = capture_sql { post.comments.to_a } + post.comments.reset + assert_not_equal sql, capture_sql { post.comments.to_a } + end + def test_has_many_build_with_options college = College.create(name: 'UFMT') Student.create(active: true, college_id: college.id, name: 'Sarah') @@ -239,16 +316,16 @@ class HasManyAssociationsTest < ActiveRecord::TestCase # would be convenient), because this would cause that scope to be applied to any callbacks etc. def test_build_and_create_should_not_happen_within_scope car = cars(:honda) - scoped_count = car.foo_bulbs.where_values.count + scope = car.foo_bulbs.where_values_hash bulb = car.foo_bulbs.build - assert_not_equal scoped_count, bulb.scope_after_initialize.where_values.count + assert_not_equal scope, bulb.scope_after_initialize.where_values_hash bulb = car.foo_bulbs.create - assert_not_equal scoped_count, bulb.scope_after_initialize.where_values.count + assert_not_equal scope, bulb.scope_after_initialize.where_values_hash bulb = car.foo_bulbs.create! - assert_not_equal scoped_count, bulb.scope_after_initialize.where_values.count + assert_not_equal scope, bulb.scope_after_initialize.where_values_hash end def test_no_sql_should_be_fired_if_association_already_loaded @@ -387,6 +464,13 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal "Summit", Firm.all.merge!(:order => "id").first.clients_using_primary_key.first.name end + def test_update_all_on_association_accessed_before_save + firm = Firm.new(name: 'Firm') + firm.clients << Client.first + firm.save! + assert_equal firm.clients.count, firm.clients.update_all(description: 'Great!') + end + def test_belongs_to_sanity c = Client.new assert_nil c.firm, "belongs_to failed sanity check on new object" @@ -555,17 +639,21 @@ class HasManyAssociationsTest < ActiveRecord::TestCase 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 @@ -576,9 +664,11 @@ 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 @@ -1179,7 +1269,7 @@ 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 @@ -1217,7 +1307,6 @@ class HasManyAssociationsTest < ActiveRecord::TestCase 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 @@ -1319,10 +1408,13 @@ 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 @@ -1534,39 +1626,6 @@ class HasManyAssociationsTest < ActiveRecord::TestCase end end - def test_custom_primary_key_on_new_record_should_fetch_with_query - author = Author.new(:name => "David") - assert !author.essays.loaded? - - assert_queries 1 do - assert_equal 1, author.essays.size - end - - assert_equal author.essays, Essay.where(writer_id: "David") - end - - def test_has_many_custom_primary_key - david = authors(:david) - 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? - - assert_queries 0 do - assert_equal 0, author.essays.size - end - end - def test_calling_first_or_last_with_integer_on_association_should_not_load_association firm = companies(:first_firm) firm.clients.create(:name => 'Foo') @@ -1619,6 +1678,82 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal 3, firm.clients.size end + def test_calling_none_should_count_instead_of_loading_association + firm = companies(:first_firm) + assert_queries(1) do + firm.clients.none? # use count query + end + assert !firm.clients.loaded? + end + + def test_calling_none_on_loaded_association_should_not_use_query + firm = companies(:first_firm) + firm.clients.collect # force load + assert_no_queries { assert ! firm.clients.none? } + end + + def test_calling_none_should_defer_to_collection_if_using_a_block + firm = companies(:first_firm) + assert_queries(1) do + firm.clients.expects(:size).never + firm.clients.none? { true } + end + assert firm.clients.loaded? + end + + def test_calling_none_should_return_true_if_none + firm = companies(:another_firm) + assert firm.clients_like_ms.none? + assert_equal 0, firm.clients_like_ms.size + end + + def test_calling_none_should_return_false_if_any + firm = companies(:first_firm) + assert !firm.limited_clients.none? + assert_equal 1, firm.limited_clients.size + end + + def test_calling_one_should_count_instead_of_loading_association + firm = companies(:first_firm) + assert_queries(1) do + firm.clients.one? # use count query + end + assert !firm.clients.loaded? + end + + def test_calling_one_on_loaded_association_should_not_use_query + firm = companies(:first_firm) + firm.clients.collect # force load + assert_no_queries { assert ! firm.clients.one? } + end + + def test_calling_one_should_defer_to_collection_if_using_a_block + firm = companies(:first_firm) + assert_queries(1) do + firm.clients.expects(:size).never + firm.clients.one? { true } + end + assert firm.clients.loaded? + end + + def test_calling_one_should_return_false_if_zero + firm = companies(:another_firm) + assert ! firm.clients_like_ms.one? + assert_equal 0, firm.clients_like_ms.size + end + + def test_calling_one_should_return_true_if_one + firm = companies(:first_firm) + assert firm.limited_clients.one? + assert_equal 1, firm.limited_clients.size + end + + def test_calling_one_should_return_false_if_more_than_one + firm = companies(:first_firm) + assert ! firm.clients.one? + assert_equal 3, firm.clients.size + 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 @@ -1740,6 +1875,15 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal [tagging], post.taggings end + def test_with_polymorphic_has_many_with_custom_columns_name + post = Post.create! :title => 'foo', :body => 'bar' + image = Image.create! + + post.images << image + + assert_equal [image], post.images + end + def test_build_with_polymorphic_has_many_does_not_allow_to_override_type_and_id welcome = posts(:welcome) tagging = welcome.taggings.build(:taggable_id => 99, :taggable_type => 'ShouldNotChange') @@ -1895,6 +2039,14 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal [bulb1, bulb2], car.all_bulbs.sort_by(&:id) end + test 'unscopes the default scope of associated model when used with include' do + car = Car.create! + bulb = Bulb.create! name: "other", car: car + + assert_equal bulb, Car.find(car.id).all_bulbs.first + assert_equal bulb, Car.includes(:all_bulbs).find(car.id).all_bulbs.first + end + test "raises RecordNotDestroyed when replaced child can't be destroyed" do car = Car.create! original_child = FailedBulb.create!(car: car) @@ -1955,4 +2107,68 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal 1, car.bulbs.count assert_equal 1, car.tyres.count end + + test 'associations replace in memory when records have the same id' do + bulb = Bulb.create! + car = Car.create!(bulbs: [bulb]) + + new_bulb = Bulb.find(bulb.id) + new_bulb.name = "foo" + car.bulbs = [new_bulb] + + assert_equal "foo", car.bulbs.first.name + end + + test 'in memory replacement executes no queries' do + bulb = Bulb.create! + car = Car.create!(bulbs: [bulb]) + + new_bulb = Bulb.find(bulb.id) + + assert_no_queries do + car.bulbs = [new_bulb] + end + end + + test 'in memory replacements do not execute callbacks' do + raise_after_add = false + klass = Class.new(ActiveRecord::Base) do + self.table_name = :cars + has_many :bulbs, after_add: proc { raise if raise_after_add } + + def self.name + "Car" + end + end + bulb = Bulb.create! + car = klass.create!(bulbs: [bulb]) + + new_bulb = Bulb.find(bulb.id) + raise_after_add = true + + assert_nothing_raised do + car.bulbs = [new_bulb] + end + end + + test 'in memory replacements sets inverse instance' do + bulb = Bulb.create! + car = Car.create!(bulbs: [bulb]) + + new_bulb = Bulb.find(bulb.id) + car.bulbs = [new_bulb] + + assert_same car, new_bulb.car + end + + test 'in memory replacement maintains order' do + first_bulb = Bulb.create! + second_bulb = Bulb.create! + car = Car.create!(bulbs: [first_bulb, second_bulb]) + + same_bulb = Bulb.find(first_bulb.id) + car.bulbs = [second_bulb, same_bulb] + + assert_equal [first_bulb, second_bulb], car.bulbs + end end |