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-rw-r--r--activerecord/test/cases/associations/belongs_to_associations_test.rb349
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