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require "cases/helper"
require 'models/developer'
require 'models/project'
require 'models/company'
require 'models/topic'
require 'models/reply'
require 'models/computer'
require 'models/post'
require 'models/author'
require 'models/tag'
require 'models/tagging'
require 'models/comment'
require 'models/sponsor'
require 'models/member'
require 'models/essay'
require 'models/toy'
class BelongsToAssociationsTest < ActiveRecord::TestCase
fixtures :accounts, :companies, :developers, :projects, :topics,
:developers_projects, :computers, :authors, :author_addresses,
: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"
end
def test_belongs_to_with_primary_key
client = Client.create(:name => "Primary key client", :firm_name => companies(:first_firm).name)
assert_equal companies(:first_firm).name, client.firm_with_primary_key.name
end
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)
assert_no_match(/`firm_with_primary_keys_companies`\.`id`/, sql)
assert_match(/`firm_with_primary_keys_companies`\.`name`/, sql)
elsif current_adapter?(:OracleAdapter)
# on Oracle aliases are truncated to 30 characters and are quoted in uppercase
assert_no_match(/"firm_with_primary_keys_compani"\."id"/i, sql)
assert_match(/"firm_with_primary_keys_compani"\."name"/i, sql)
else
assert_no_match(/"firm_with_primary_keys_companies"\."id"/, sql)
assert_match(/"firm_with_primary_keys_companies"\."name"/, sql)
end
end
def test_proxy_assignment
account = Account.find(1)
assert_nothing_raised { account.firm = account.firm }
end
def test_type_mismatch
assert_raise(ActiveRecord::AssociationTypeMismatch) { Account.find(1).firm = 1 }
assert_raise(ActiveRecord::AssociationTypeMismatch) { Account.find(1).firm = Project.find(1) }
end
def test_natural_assignment
apple = Firm.create("name" => "Apple")
citibank = Account.create("credit_limit" => 10)
citibank.firm = apple
assert_equal apple.id, citibank.firm_id
end
def test_natural_assignment_with_primary_key
apple = Firm.create("name" => "Apple")
citibank = Client.create("name" => "Primary key client")
citibank.firm_with_primary_key = apple
assert_equal apple.name, citibank.firm_name
end
def test_eager_loading_with_primary_key
Firm.create("name" => "Apple")
Client.create("name" => "Citibank", :firm_name => "Apple")
citibank_result = Client.scoped(:where => {:name => "Citibank"}, :includes => :firm_with_primary_key).first
assert citibank_result.association_cache.key?(:firm_with_primary_key)
end
def test_eager_loading_with_primary_key_as_symbol
Firm.create("name" => "Apple")
Client.create("name" => "Citibank", :firm_name => "Apple")
citibank_result = Client.scoped(:where => {:name => "Citibank"}, :includes => :firm_with_primary_key_symbols).first
assert citibank_result.association_cache.key?(:firm_with_primary_key_symbols)
end
def test_creating_the_belonging_object
citibank = Account.create("credit_limit" => 10)
apple = citibank.create_firm("name" => "Apple")
assert_equal apple, citibank.firm
citibank.save
citibank.reload
assert_equal apple, citibank.firm
end
def test_creating_the_belonging_object_with_primary_key
client = Client.create(:name => "Primary key client")
apple = client.create_firm_with_primary_key("name" => "Apple")
assert_equal apple, client.firm_with_primary_key
client.save
client.reload
assert_equal apple, client.firm_with_primary_key
end
def test_building_the_belonging_object
citibank = Account.create("credit_limit" => 10)
apple = citibank.build_firm("name" => "Apple")
citibank.save
assert_equal apple.id, citibank.firm_id
end
def test_building_the_belonging_object_with_primary_key
client = Client.create(:name => "Primary key client")
apple = client.build_firm_with_primary_key("name" => "Apple")
client.save
assert_equal apple.name, client.firm_name
end
def test_create!
client = Client.create!(:name => "Jimmy")
account = client.create_account!(:credit_limit => 10)
assert_equal account, client.account
assert account.persisted?
client.save
client.reload
assert_equal account, client.account
end
def test_failing_create!
client = Client.create!(:name => "Jimmy")
assert_raise(ActiveRecord::RecordInvalid) { client.create_account! }
assert_not_nil client.account
assert client.account.new_record?
end
def test_natural_assignment_to_nil
client = Client.find(3)
client.firm = nil
client.save
assert_nil client.firm(true)
assert_nil client.client_of
end
def test_natural_assignment_to_nil_with_primary_key
client = Client.create(:name => "Primary key client", :firm_name => companies(:first_firm).name)
client.firm_with_primary_key = nil
client.save
assert_nil client.firm_with_primary_key(true)
assert_nil client.client_of
end
def test_with_different_class_name
assert_equal Company.find(1).name, Company.find(3).firm_with_other_name.name
assert_not_nil Company.find(3).firm_with_other_name, "Microsoft should have a firm"
end
def test_with_condition
assert_equal Company.find(1).name, Company.find(3).firm_with_condition.name
assert_not_nil Company.find(3).firm_with_condition, "Microsoft should have a firm"
end
def test_polymorphic_association_class
sponsor = Sponsor.new
assert_nil sponsor.association(:sponsorable).send(:klass)
sponsor.sponsorable_type = '' # the column doesn't have to be declared NOT NULL
assert_nil sponsor.association(:sponsorable).send(:klass)
sponsor.sponsorable = Member.new :name => "Bert"
assert_equal Member, sponsor.association(:sponsorable).send(:klass)
assert_equal "members", sponsor.association(:sponsorable).aliased_table_name
end
def test_with_polymorphic_and_condition
sponsor = Sponsor.create
member = Member.create :name => "Bert"
sponsor.sponsorable = member
assert_equal member, sponsor.sponsorable
assert_nil sponsor.sponsorable_with_conditions
end
def test_with_select
assert_equal Company.find(2).firm_with_select.attributes.size, 1
assert_equal Company.scoped(:includes => :firm_with_select ).find(2).firm_with_select.attributes.size, 1
end
def test_belongs_to_counter
debate = Topic.create("title" => "debate")
assert_equal 0, debate.send(: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"
trash.destroy
assert_equal 0, Topic.find(debate.id).send(:read_attribute, "replies_count"), "First reply deleted"
end
def test_belongs_to_counter_with_assigning_nil
p = Post.find(1)
c = Comment.find(1)
assert_equal p.id, c.post_id
assert_equal 2, Post.find(p.id).comments.size
c.post = nil
assert_equal 1, Post.find(p.id).comments.size
end
def test_belongs_to_with_primary_key_counter
debate = Topic.create("title" => "debate")
debate2 = Topic.create("title" => "debate2")
reply = Reply.create("title" => "blah!", "content" => "world around!", "parent_title" => "debate")
assert_equal 1, debate.reload.replies_count
assert_equal 0, debate2.reload.replies_count
reply.topic_with_primary_key = debate2
assert_equal 0, debate.reload.replies_count
assert_equal 1, debate2.reload.replies_count
reply.topic_with_primary_key = nil
assert_equal 0, debate.reload.replies_count
assert_equal 0, debate2.reload.replies_count
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
assert r1.save
assert_equal 1, Topic.find(t1.id).replies.size
assert_equal 0, Topic.find(t2.id).replies.size
r1.topic = Topic.find(t2.id)
assert_no_queries do
r1.topic = t2
end
assert r1.save
assert_equal 0, Topic.find(t1.id).replies.size
assert_equal 1, Topic.find(t2.id).replies.size
r1.topic = nil
assert_equal 0, Topic.find(t1.id).replies.size
assert_equal 0, Topic.find(t2.id).replies.size
r1.topic = t1
assert_equal 1, Topic.find(t1.id).replies.size
assert_equal 0, Topic.find(t2.id).replies.size
r1.destroy
assert_equal 0, Topic.find(t1.id).replies.size
assert_equal 0, Topic.find(t2.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
assert r1.save
assert_equal 1, Web::Topic.find(t1.id).replies.size
assert_equal 0, Web::Topic.find(t2.id).replies.size
r1.topic = Web::Topic.find(t2.id)
assert r1.save
assert_equal 0, Web::Topic.find(t1.id).replies.size
assert_equal 1, Web::Topic.find(t2.id).replies.size
end
def test_belongs_to_counter_after_save
topic = Topic.create!(:title => "monday night")
topic.replies.create!(:title => "re: monday night", :content => "football")
assert_equal 1, Topic.find(topic.id)[:replies_count]
topic.save!
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")
assert_equal 1, Topic.find(topic.id)[:replies_count]
topic.update_attributes(:title => "37signals")
assert_equal 1, Topic.find(topic.id)[:replies_count]
end
def test_belongs_to_counter_when_update_column
topic = Topic.create!(:title => "37s")
topic.replies.create!(:title => "re: 37s", :content => "rails")
assert_equal 1, Topic.find(topic.id)[:replies_count]
topic.update_column(:content, "rails is wonderfull")
assert_equal 1, Topic.find(topic.id)[:replies_count]
end
def test_assignment_before_child_saved
final_cut = Client.new("name" => "Final Cut")
firm = Firm.find(1)
final_cut.firm = firm
assert !final_cut.persisted?
assert final_cut.save
assert final_cut.persisted?
assert firm.persisted?
assert_equal firm, final_cut.firm
assert_equal firm, final_cut.firm(true)
end
def test_assignment_before_child_saved_with_primary_key
final_cut = Client.new("name" => "Final Cut")
firm = Firm.find(1)
final_cut.firm_with_primary_key = firm
assert !final_cut.persisted?
assert final_cut.save
assert final_cut.persisted?
assert firm.persisted?
assert_equal firm, final_cut.firm_with_primary_key
assert_equal firm, final_cut.firm_with_primary_key(true)
end
def test_new_record_with_foreign_key_but_no_object
c = 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.scoped(:order => "id").first, c.firm_with_basic_id
end
def test_setting_foreign_key_after_nil_target_loaded
client = Client.new
client.firm_with_basic_id
client.firm_id = 1
assert_equal companies(:first_firm), client.firm_with_basic_id
end
def test_polymorphic_setting_foreign_key_after_nil_target_loaded
sponsor = Sponsor.new
sponsor.sponsorable
sponsor.sponsorable_id = 1
sponsor.sponsorable_type = "Member"
assert_equal members(:groucho), sponsor.sponsorable
end
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
end
def test_field_name_same_as_foreign_key
computer = Computer.find(1)
assert_not_nil computer.developer, ":foreign key == attribute didn't lock up" # '
end
def test_counter_cache
topic = Topic.create :title => "Zoom-zoom-zoom"
assert_equal 0, topic[:replies_count]
reply = Reply.create(:title => "re: zoom", :content => "speedy quick!")
reply.topic = topic
assert_equal 1, topic.reload[:replies_count]
assert_equal 1, topic.replies.size
topic[:replies_count] = 15
assert_equal 15, topic.replies.size
end
def test_custom_counter_cache
reply = Reply.create(:title => "re: zoom", :content => "speedy quick!")
assert_equal 0, reply[:replies_count]
silly = SillyReply.create(:title => "gaga", :content => "boo-boo")
silly.reply = reply
assert_equal 1, reply.reload[:replies_count]
assert_equal 1, reply.replies.size
reply[:replies_count] = 17
assert_equal 17, reply.replies.size
end
def test_association_assignment_sticks
post = Post.first
author1, author2 = Author.scoped(:limit => 2).all
assert_not_nil author1
assert_not_nil author2
# make sure the association is loaded
post.author
# set the association by id, directly
post.author_id = author2.id
# save and reload
post.save!
post.reload
# the author id of the post should be the id we set
assert_equal post.author_id, author2.id
end
def test_cant_save_readonly_association
assert_raise(ActiveRecord::ReadOnlyRecord) { companies(:first_client).readonly_firm.save! }
assert companies(:first_client).readonly_firm.readonly?
end
def test_polymorphic_assignment_foreign_type_field_updating
# should update when assigning a saved record
sponsor = Sponsor.new
member = Member.create
sponsor.sponsorable = member
assert_equal "Member", sponsor.sponsorable_type
# should update when assigning a new record
sponsor = Sponsor.new
member = Member.new
sponsor.sponsorable = member
assert_equal "Member", sponsor.sponsorable_type
end
def test_polymorphic_assignment_with_primary_key_foreign_type_field_updating
# should update when assigning a saved record
essay = Essay.new
writer = Author.create(:name => "David")
essay.writer = writer
assert_equal "Author", essay.writer_type
# should update when assigning a new record
essay = Essay.new
writer = Author.new
essay.writer = writer
assert_equal "Author", essay.writer_type
end
def test_polymorphic_assignment_updates_foreign_id_field_for_new_and_saved_records
sponsor = Sponsor.new
saved_member = Member.create
new_member = Member.new
sponsor.sponsorable = saved_member
assert_equal saved_member.id, sponsor.sponsorable_id
sponsor.sponsorable = new_member
assert_nil sponsor.sponsorable_id
end
def test_assignment_updates_foreign_id_field_for_new_and_saved_records
client = Client.new
saved_firm = Firm.create :name => "Saved"
new_firm = Firm.new
client.firm = saved_firm
assert_equal saved_firm.id, client.client_of
client.firm = new_firm
assert_nil client.client_of
end
def test_polymorphic_assignment_with_primary_key_updates_foreign_id_field_for_new_and_saved_records
essay = Essay.new
saved_writer = Author.create(:name => "David")
new_writer = Author.new
essay.writer = saved_writer
assert_equal saved_writer.name, essay.writer_id
essay.writer = new_writer
assert_nil essay.writer_id
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 }
end
def test_belongs_to_proxy_should_respond_to_private_methods_via_send
companies(:first_firm).send(:private_method)
companies(:second_client).firm.send(:private_method)
end
def test_save_of_record_with_loaded_belongs_to
@account = companies(:first_firm).account
assert_nothing_raised do
Account.find(@account.id).save!
Account.scoped(:includes => :firm).find(@account.id).save!
end
@account.firm.delete
assert_nothing_raised do
Account.find(@account.id).save!
Account.scoped(:includes => :firm).find(@account.id).save!
end
end
def test_dependent_delete_and_destroy_with_belongs_to
author_address = author_addresses(:david_address)
author_address_extra = author_addresses(:david_address_extra)
assert_equal [], AuthorAddress.destroyed_author_address_ids
assert_difference "AuthorAddress.count", -2 do
authors(:david).destroy
end
assert_equal [], AuthorAddress.find_all_by_id([author_address.id, author_address_extra.id])
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
Author.belongs_to :special_author_address, :dependent => :nullify
end
end
def test_invalid_belongs_to_dependent_option_restrict_raises_exception
assert_raise ArgumentError do
Author.belongs_to :special_author_address, :dependent => :restrict
end
end
def test_attributes_are_being_set_when_initialized_from_belongs_to_association_with_where_clause
new_firm = accounts(:signals37).build_firm(:name => 'Apple')
assert_equal new_firm.name, "Apple"
end
def test_reassigning_the_parent_id_updates_the_object
client = companies(:second_client)
client.firm
client.firm_with_condition
firm_proxy = client.send(:association_instance_get, :firm)
firm_with_condition_proxy = client.send(:association_instance_get, :firm_with_condition)
assert !firm_proxy.stale_target?
assert !firm_with_condition_proxy.stale_target?
assert_equal companies(:first_firm), client.firm
assert_equal companies(:first_firm), client.firm_with_condition
client.client_of = companies(:another_firm).id
assert firm_proxy.stale_target?
assert firm_with_condition_proxy.stale_target?
assert_equal companies(:another_firm), client.firm
assert_equal companies(:another_firm), client.firm_with_condition
end
def test_polymorphic_reassignment_of_associated_id_updates_the_object
sponsor = sponsors(:moustache_club_sponsor_for_groucho)
sponsor.sponsorable
proxy = sponsor.send(:association_instance_get, :sponsorable)
assert !proxy.stale_target?
assert_equal members(:groucho), sponsor.sponsorable
sponsor.sponsorable_id = members(:some_other_guy).id
assert proxy.stale_target?
assert_equal members(:some_other_guy), sponsor.sponsorable
end
def test_polymorphic_reassignment_of_associated_type_updates_the_object
sponsor = sponsors(:moustache_club_sponsor_for_groucho)
sponsor.sponsorable
proxy = sponsor.send(:association_instance_get, :sponsorable)
assert !proxy.stale_target?
assert_equal members(:groucho), sponsor.sponsorable
sponsor.sponsorable_type = 'Firm'
assert proxy.stale_target?
assert_equal companies(:first_firm), sponsor.sponsorable
end
def test_reloading_association_with_key_change
client = companies(:second_client)
firm = client.association(:firm)
client.firm = companies(:another_firm)
firm.reload
assert_equal companies(:another_firm), firm.target
client.client_of = companies(:first_firm).id
firm.reload
assert_equal companies(:first_firm), firm.target
end
def test_polymorphic_counter_cache
tagging = taggings(:welcome_general)
post = posts(:welcome)
comment = comments(:greetings)
assert_difference lambda { post.reload.taggings_count }, -1 do
assert_difference 'comment.reload.taggings_count', +1 do
tagging.taggable = comment
end
end
end
def test_polymorphic_with_custom_foreign_type
sponsor = sponsors(:moustache_club_sponsor_for_groucho)
groucho = members(:groucho)
other = members(:some_other_guy)
assert_equal groucho, sponsor.sponsorable
assert_equal groucho, sponsor.thing
sponsor.thing = other
assert_equal other, sponsor.sponsorable
assert_equal other, sponsor.thing
sponsor.sponsorable = groucho
assert_equal groucho, sponsor.sponsorable
assert_equal groucho, sponsor.thing
end
def test_build_with_conditions
client = companies(:second_client)
firm = client.build_bob_firm
assert_equal "Bob", firm.name
end
def test_create_with_conditions
client = companies(:second_client)
firm = client.create_bob_firm
assert_equal "Bob", firm.name
end
def test_create_bang_with_conditions
client = companies(:second_client)
firm = client.create_bob_firm!
assert_equal "Bob", firm.name
end
def test_build_with_block
client = Client.create(:name => 'Client Company')
firm = client.build_firm{ |f| f.name = 'Agency Company' }
assert_equal 'Agency Company', firm.name
end
def test_create_with_block
client = Client.create(:name => 'Client Company')
firm = client.create_firm{ |f| f.name = 'Agency Company' }
assert_equal 'Agency Company', firm.name
end
def test_create_bang_with_block
client = Client.create(:name => 'Client Company')
firm = client.create_firm!{ |f| f.name = 'Agency Company' }
assert_equal 'Agency Company', firm.name
end
def test_should_set_foreign_key_on_create_association
client = Client.create! :name => "fuu"
firm = client.create_firm :name => "baa"
assert_equal firm.id, client.client_of
end
def test_should_set_foreign_key_on_create_association!
client = Client.create! :name => "fuu"
firm = client.create_firm! :name => "baa"
assert_equal firm.id, client.client_of
end
def test_self_referential_belongs_to_with_counter_cache_assigning_nil
comment = Comment.create! :post => posts(:thinking), :body => "fuu"
comment.parent = nil
comment.save!
assert_equal nil, comment.reload.parent
assert_equal 0, comments(:greetings).reload.children_count
end
def test_polymorphic_with_custom_primary_key
toy = Toy.create!
sponsor = Sponsor.create!(:sponsorable => toy)
assert_equal toy, sponsor.reload.sponsorable
end
test "stale tracking doesn't care about the type" do
apple = Firm.create("name" => "Apple")
citibank = Account.create("credit_limit" => 10)
citibank.firm_id = apple.id
citibank.firm # load it
citibank.firm_id = apple.id.to_s
assert !citibank.association(:firm).stale_target?
end
def test_reflect_the_most_recent_change
author1, author2 = Author.limit(2)
post = Post.new(:title => "foo", :body=> "bar")
post.author = author1
post.author_id = author2.id
assert post.save
assert_equal post.author_id, author2.id
end
end
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