diff options
Diffstat (limited to 'activerecord/test/cases/associations/belongs_to_associations_test.rb')
-rw-r--r-- | activerecord/test/cases/associations/belongs_to_associations_test.rb | 349 |
1 files changed, 284 insertions, 65 deletions
diff --git a/activerecord/test/cases/associations/belongs_to_associations_test.rb b/activerecord/test/cases/associations/belongs_to_associations_test.rb index 04d0f755b6..17394cb6f7 100644 --- a/activerecord/test/cases/associations/belongs_to_associations_test.rb +++ b/activerecord/test/cases/associations/belongs_to_associations_test.rb @@ -1,5 +1,6 @@ -require "cases/helper" +require 'cases/helper' require 'models/developer' +require 'models/computer' require 'models/project' require 'models/company' require 'models/topic' @@ -14,6 +15,10 @@ require 'models/sponsor' require 'models/member' require 'models/essay' require 'models/toy' +require 'models/invoice' +require 'models/line_item' +require 'models/column' +require 'models/record' class BelongsToAssociationsTest < ActiveRecord::TestCase fixtures :accounts, :companies, :developers, :projects, :topics, @@ -21,9 +26,16 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase :posts, :tags, :taggings, :comments, :sponsors, :members def test_belongs_to - Client.find(3).firm.name - assert_equal companies(:first_firm).name, Client.find(3).firm.name - assert_not_nil Client.find(3).firm, "Microsoft should have a firm" + firm = Client.find(3).firm + assert_not_nil firm + assert_equal companies(:first_firm).name, firm.name + end + + def test_belongs_to_does_not_use_order_by + ActiveRecord::SQLCounter.clear_log + Client.find(3).firm + ensure + assert ActiveRecord::SQLCounter.log_all.all? { |sql| /order by/i !~ sql }, 'ORDER BY was used in the query' end def test_belongs_to_with_primary_key @@ -33,7 +45,7 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase def test_belongs_to_with_primary_key_joins_on_correct_column sql = Client.joins(:firm_with_primary_key).to_sql - if current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter) + if current_adapter?(:MysqlAdapter, :Mysql2Adapter) assert_no_match(/`firm_with_primary_keys_companies`\.`id`/, sql) assert_match(/`firm_with_primary_keys_companies`\.`name`/, sql) elsif current_adapter?(:OracleAdapter) @@ -46,6 +58,35 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase end end + def test_default_scope_on_relations_is_not_cached + counter = 0 + + comments = Class.new(ActiveRecord::Base) { + self.table_name = 'comments' + self.inheritance_column = 'not_there' + + posts = Class.new(ActiveRecord::Base) { + self.table_name = 'posts' + self.inheritance_column = 'not_there' + + default_scope -> { + counter += 1 + where("id = :inc", :inc => counter) + } + + has_many :comments, :class => comments + } + belongs_to :post, :class => posts, :inverse_of => false + } + + assert_equal 0, counter + comment = comments.first + assert_equal 0, counter + sql = capture_sql { comment.post } + comment.reload + assert_not_equal sql, capture_sql { comment.post } + end + def test_proxy_assignment account = Account.find(1) assert_nothing_raised { account.firm = account.firm } @@ -63,6 +104,13 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase assert_equal apple.id, citibank.firm_id end + def test_id_assignment + apple = Firm.create("name" => "Apple") + citibank = Account.create("credit_limit" => 10) + citibank.firm_id = apple + assert_nil citibank.firm_id + end + def test_natural_assignment_with_primary_key apple = Firm.create("name" => "Apple") citibank = Client.create("name" => "Primary key client") @@ -215,25 +263,25 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase def test_belongs_to_counter debate = Topic.create("title" => "debate") - assert_equal 0, debate.send(:read_attribute, "replies_count"), "No replies yet" + assert_equal 0, debate.read_attribute("replies_count"), "No replies yet" trash = debate.replies.create("title" => "blah!", "content" => "world around!") - assert_equal 1, Topic.find(debate.id).send(:read_attribute, "replies_count"), "First reply created" + assert_equal 1, Topic.find(debate.id).read_attribute("replies_count"), "First reply created" trash.destroy - assert_equal 0, Topic.find(debate.id).send(:read_attribute, "replies_count"), "First reply deleted" + assert_equal 0, Topic.find(debate.id).read_attribute("replies_count"), "First reply deleted" end def test_belongs_to_counter_with_assigning_nil - p = Post.find(1) - c = Comment.find(1) + post = Post.find(1) + comment = Comment.find(1) - assert_equal p.id, c.post_id - assert_equal 2, Post.find(p.id).comments.size + assert_equal post.id, comment.post_id + assert_equal 2, Post.find(post.id).comments.size - c.post = nil + comment.post = nil - assert_equal 1, Post.find(p.id).comments.size + assert_equal 1, Post.find(post.id).comments.size end def test_belongs_to_with_primary_key_counter @@ -256,56 +304,56 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase end def test_belongs_to_counter_with_reassigning - t1 = Topic.create("title" => "t1") - t2 = Topic.create("title" => "t2") - r1 = Reply.new("title" => "r1", "content" => "r1") - r1.topic = t1 + topic1 = Topic.create("title" => "t1") + topic2 = Topic.create("title" => "t2") + reply1 = Reply.new("title" => "r1", "content" => "r1") + reply1.topic = topic1 - assert r1.save - assert_equal 1, Topic.find(t1.id).replies.size - assert_equal 0, Topic.find(t2.id).replies.size + assert reply1.save + assert_equal 1, Topic.find(topic1.id).replies.size + assert_equal 0, Topic.find(topic2.id).replies.size - r1.topic = Topic.find(t2.id) + reply1.topic = Topic.find(topic2.id) assert_no_queries do - r1.topic = t2 + reply1.topic = topic2 end - assert r1.save - assert_equal 0, Topic.find(t1.id).replies.size - assert_equal 1, Topic.find(t2.id).replies.size + assert reply1.save + assert_equal 0, Topic.find(topic1.id).replies.size + assert_equal 1, Topic.find(topic2.id).replies.size - r1.topic = nil + reply1.topic = nil - assert_equal 0, Topic.find(t1.id).replies.size - assert_equal 0, Topic.find(t2.id).replies.size + assert_equal 0, Topic.find(topic1.id).replies.size + assert_equal 0, Topic.find(topic2.id).replies.size - r1.topic = t1 + reply1.topic = topic1 - assert_equal 1, Topic.find(t1.id).replies.size - assert_equal 0, Topic.find(t2.id).replies.size + assert_equal 1, Topic.find(topic1.id).replies.size + assert_equal 0, Topic.find(topic2.id).replies.size - r1.destroy + reply1.destroy - assert_equal 0, Topic.find(t1.id).replies.size - assert_equal 0, Topic.find(t2.id).replies.size + assert_equal 0, Topic.find(topic1.id).replies.size + assert_equal 0, Topic.find(topic2.id).replies.size end def test_belongs_to_reassign_with_namespaced_models_and_counters - t1 = Web::Topic.create("title" => "t1") - t2 = Web::Topic.create("title" => "t2") - r1 = Web::Reply.new("title" => "r1", "content" => "r1") - r1.topic = t1 + topic1 = Web::Topic.create("title" => "t1") + topic2 = Web::Topic.create("title" => "t2") + reply1 = Web::Reply.new("title" => "r1", "content" => "r1") + reply1.topic = topic1 - assert r1.save - assert_equal 1, Web::Topic.find(t1.id).replies.size - assert_equal 0, Web::Topic.find(t2.id).replies.size + assert reply1.save + assert_equal 1, Web::Topic.find(topic1.id).replies.size + assert_equal 0, Web::Topic.find(topic2.id).replies.size - r1.topic = Web::Topic.find(t2.id) + reply1.topic = Web::Topic.find(topic2.id) - assert r1.save - assert_equal 0, Web::Topic.find(t1.id).replies.size - assert_equal 1, Web::Topic.find(t2.id).replies.size + assert reply1.save + assert_equal 0, Web::Topic.find(topic1.id).replies.size + assert_equal 1, Web::Topic.find(topic2.id).replies.size end def test_belongs_to_counter_after_save @@ -317,12 +365,77 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase assert_equal 1, Topic.find(topic.id)[:replies_count] end - def test_belongs_to_counter_after_update_attributes - topic = Topic.create!(:title => "37s") - topic.replies.create!(:title => "re: 37s", :content => "rails") + def test_belongs_to_with_touch_option_on_touch + line_item = LineItem.create! + Invoice.create!(line_items: [line_item]) + + assert_queries(1) { line_item.touch } + end + + def test_belongs_to_with_touch_option_on_touch_without_updated_at_attributes + assert_not LineItem.column_names.include?("updated_at") + + line_item = LineItem.create! + invoice = Invoice.create!(line_items: [line_item]) + initial = invoice.updated_at + line_item.touch + + assert_not_equal initial, invoice.reload.updated_at + end + + def test_belongs_to_with_touch_option_on_touch_and_removed_parent + line_item = LineItem.create! + Invoice.create!(line_items: [line_item]) + + line_item.invoice = nil + + assert_queries(2) { line_item.touch } + end + + def test_belongs_to_with_touch_option_on_update + line_item = LineItem.create! + Invoice.create!(line_items: [line_item]) + + assert_queries(2) { line_item.update amount: 10 } + end + + def test_belongs_to_with_touch_option_on_empty_update + line_item = LineItem.create! + Invoice.create!(line_items: [line_item]) + + assert_queries(0) { line_item.save } + end + + def test_belongs_to_with_touch_option_on_destroy + line_item = LineItem.create! + Invoice.create!(line_items: [line_item]) + + assert_queries(2) { line_item.destroy } + end + + def test_belongs_to_with_touch_option_on_destroy_with_destroyed_parent + line_item = LineItem.create! + invoice = Invoice.create!(line_items: [line_item]) + invoice.destroy + + assert_queries(1) { line_item.destroy } + end + + def test_belongs_to_with_touch_option_on_touch_and_reassigned_parent + line_item = LineItem.create! + Invoice.create!(line_items: [line_item]) + + line_item.invoice = Invoice.create! + + assert_queries(3) { line_item.touch } + end + + def test_belongs_to_counter_after_update + topic = Topic.create!(title: "37s") + topic.replies.create!(title: "re: 37s", content: "rails") assert_equal 1, Topic.find(topic.id)[:replies_count] - topic.update_attributes(:title => "37signals") + topic.update(title: "37signals") assert_equal 1, Topic.find(topic.id)[:replies_count] end @@ -331,7 +444,7 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase topic.replies.create!(:title => "re: 37s", :content => "rails") assert_equal 1, Topic.find(topic.id)[:replies_count] - topic.update_columns(content: "rails is wonderfull") + topic.update_columns(content: "rails is wonderful") assert_equal 1, Topic.find(topic.id)[:replies_count] end @@ -360,9 +473,9 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase end def test_new_record_with_foreign_key_but_no_object - c = Client.new("firm_id" => 1) + client = Client.new("firm_id" => 1) # sometimes tests on Oracle fail if ORDER BY is not provided therefore add always :order with :first - assert_equal Firm.all.merge!(:order => "id").first, c.firm_with_basic_id + assert_equal Firm.all.merge!(:order => "id").first, client.firm_with_basic_id end def test_setting_foreign_key_after_nil_target_loaded @@ -384,8 +497,7 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase def test_dont_find_target_when_foreign_key_is_null tagging = taggings(:thinking_general) - queries = assert_sql { tagging.super_tag } - assert_equal 0, queries.length + assert_queries(0) { tagging.super_tag } end def test_field_name_same_as_foreign_key @@ -407,6 +519,47 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase assert_equal 15, topic.replies.size end + def test_counter_cache_double_destroy + topic = Topic.create :title => "Zoom-zoom-zoom" + + 5.times do + topic.replies.create(:title => "re: zoom", :content => "speedy quick!") + end + + assert_equal 5, topic.reload[:replies_count] + assert_equal 5, topic.replies.size + + reply = topic.replies.first + + reply.destroy + assert_equal 4, topic.reload[:replies_count] + + reply.destroy + assert_equal 4, topic.reload[:replies_count] + assert_equal 4, topic.replies.size + end + + def test_concurrent_counter_cache_double_destroy + topic = Topic.create :title => "Zoom-zoom-zoom" + + 5.times do + topic.replies.create(:title => "re: zoom", :content => "speedy quick!") + end + + assert_equal 5, topic.reload[:replies_count] + assert_equal 5, topic.replies.size + + reply = topic.replies.first + reply_clone = Reply.find(reply.id) + + reply.destroy + assert_equal 4, topic.reload[:replies_count] + + reply_clone.destroy + assert_equal 4, topic.reload[:replies_count] + assert_equal 4, topic.replies.size + end + def test_custom_counter_cache reply = Reply.create(:title => "re: zoom", :content => "speedy quick!") assert_equal 0, reply[:replies_count] @@ -447,6 +600,19 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase assert companies(:first_client).readonly_firm.readonly? end + def test_test_polymorphic_assignment_foreign_key_type_string + comment = Comment.first + comment.author = Author.first + comment.resource = Member.first + comment.save + + assert_equal Comment.all.to_a, + Comment.includes(:author).to_a + + assert_equal Comment.all.to_a, + Comment.includes(:resource).to_a + end + def test_polymorphic_assignment_foreign_type_field_updating # should update when assigning a saved record sponsor = Sponsor.new @@ -511,6 +677,19 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase assert_nil essay.writer_id end + def test_polymorphic_assignment_with_nil + essay = Essay.new + assert_nil essay.writer_id + assert_nil essay.writer_type + + essay.writer_id = 1 + essay.writer_type = 'Author' + + essay.writer = nil + assert_nil essay.writer_id + assert_nil essay.writer_type + end + def test_belongs_to_proxy_should_not_respond_to_private_methods assert_raise(NoMethodError) { companies(:first_firm).private_method } assert_raise(NoMethodError) { companies(:second_client).firm.private_method } @@ -538,6 +717,8 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase end def test_dependent_delete_and_destroy_with_belongs_to + AuthorAddress.destroyed_author_address_ids.clear + author_address = author_addresses(:david_address) author_address_extra = author_addresses(:david_address_extra) assert_equal [], AuthorAddress.destroyed_author_address_ids @@ -550,16 +731,11 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase assert_equal [author_address.id], AuthorAddress.destroyed_author_address_ids end - def test_invalid_belongs_to_dependent_option_nullify_raises_exception - assert_raise ArgumentError do + def test_belongs_to_invalid_dependent_option_raises_exception + error = assert_raise ArgumentError do Class.new(Author).belongs_to :special_author_address, :dependent => :nullify end - end - - def test_invalid_belongs_to_dependent_option_restrict_raises_exception - assert_raise ArgumentError do - Class.new(Author).belongs_to :special_author_address, :dependent => :restrict - end + assert_equal error.message, 'The :dependent option must be one of [:destroy, :delete], but is :nullify' end def test_attributes_are_being_set_when_initialized_from_belongs_to_association_with_where_clause @@ -567,6 +743,11 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase assert_equal new_firm.name, "Apple" end + def test_attributes_are_set_without_error_when_initialized_from_belongs_to_association_with_array_in_where_clause + new_account = Account.where(:credit_limit => [ 50, 60 ]).new + assert_nil new_account.credit_limit + end + def test_reassigning_the_parent_id_updates_the_object client = companies(:second_client) @@ -636,8 +817,8 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase post = posts(:welcome) comment = comments(:greetings) - assert_difference lambda { post.reload.taggings_count }, -1 do - assert_difference 'comment.reload.taggings_count', +1 do + assert_difference lambda { post.reload.tags_count }, -1 do + assert_difference 'comment.reload.tags_count', +1 do tagging.taggable = comment end end @@ -727,6 +908,17 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase assert_equal 0, comments(:greetings).reload.children_count end + def test_belongs_to_with_id_assigning + post = posts(:welcome) + comment = Comment.create! body: "foo", post: post + parent = comments(:greetings) + assert_equal 0, parent.reload.children_count + comment.parent_id = parent.id + + comment.save! + assert_equal 1, parent.reload.children_count + end + def test_polymorphic_with_custom_primary_key toy = Toy.create! sponsor = Sponsor.create!(:sponsorable => toy) @@ -756,4 +948,31 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase assert post.save assert_equal post.author_id, author2.id 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 + belongs_to name + end + end + end + end + + test 'belongs_to works with model called Record' do + record = Record.create! + Column.create! record: record + assert_equal 1, Column.count + end +end + +class BelongsToWithForeignKeyTest < ActiveRecord::TestCase + fixtures :authors, :author_addresses + + def test_destroy_linked_models + address = AuthorAddress.create! + author = Author.create! name: "Author", author_address_id: address.id + + author.destroy! + end end |