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require "cases/helper"
require 'models/developer'
require 'models/project'
require 'models/company'
require 'models/ship'
require 'models/pirate'
require 'models/car'
require 'models/bulb'
class HasOneAssociationsTest < ActiveRecord::TestCase
self.use_transactional_fixtures = false unless supports_savepoints?
fixtures :accounts, :companies, :developers, :projects, :developers_projects, :ships, :pirates
def setup
Account.destroyed_account_ids.clear
end
def test_has_one
assert_equal companies(:first_firm).account, Account.find(1)
assert_equal Account.find(1).credit_limit, companies(:first_firm).account.credit_limit
end
def test_has_one_cache_nils
firm = companies(:another_firm)
assert_queries(1) { assert_nil firm.account }
assert_queries(0) { assert_nil firm.account }
firms = Firm.find(:all, :include => :account)
assert_queries(0) { firms.each(&:account) }
end
def test_with_select
assert_equal Firm.find(1).account_with_select.attributes.size, 2
assert_equal Firm.find(1, :include => :account_with_select).account_with_select.attributes.size, 2
end
def test_finding_using_primary_key
firm = companies(:first_firm)
assert_equal Account.find_by_firm_id(firm.id), firm.account
firm.firm_id = companies(:rails_core).id
assert_equal accounts(:rails_core_account), firm.account_using_primary_key
end
def test_update_with_foreign_and_primary_keys
firm = companies(:first_firm)
account = firm.account_using_foreign_and_primary_keys
assert_equal Account.find_by_firm_name(firm.name), account
firm.save
firm.reload
assert_equal account, firm.account_using_foreign_and_primary_keys
end
def test_can_marshal_has_one_association_with_nil_target
firm = Firm.new
assert_nothing_raised do
assert_equal firm.attributes, Marshal.load(Marshal.dump(firm)).attributes
end
firm.account
assert_nothing_raised do
assert_equal firm.attributes, Marshal.load(Marshal.dump(firm)).attributes
end
end
def test_proxy_assignment
company = companies(:first_firm)
assert_nothing_raised { company.account = company.account }
end
def test_type_mismatch
assert_raise(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).account = 1 }
assert_raise(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).account = Project.find(1) }
end
def test_natural_assignment
apple = Firm.create("name" => "Apple")
citibank = Account.create("credit_limit" => 10)
apple.account = citibank
assert_equal apple.id, citibank.firm_id
end
def test_natural_assignment_to_nil
old_account_id = companies(:first_firm).account.id
companies(:first_firm).account = nil
companies(:first_firm).save
assert_nil companies(:first_firm).account
# account is dependent, therefore is destroyed when reference to owner is lost
assert_raise(ActiveRecord::RecordNotFound) { Account.find(old_account_id) }
end
def test_nullification_on_association_change
firm = companies(:rails_core)
old_account_id = firm.account.id
firm.account = Account.new(:credit_limit => 5)
# account is dependent with nullify, therefore its firm_id should be nil
assert_nil Account.find(old_account_id).firm_id
end
def test_natural_assignment_to_nil_after_destroy
firm = companies(:rails_core)
old_account_id = firm.account.id
firm.account.destroy
firm.account = nil
assert_nil companies(:rails_core).account
assert_raise(ActiveRecord::RecordNotFound) { Account.find(old_account_id) }
end
def test_association_change_calls_delete
companies(:first_firm).deletable_account = Account.new(:credit_limit => 5)
assert_equal [], Account.destroyed_account_ids[companies(:first_firm).id]
end
def test_association_change_calls_destroy
companies(:first_firm).account = Account.new(:credit_limit => 5)
assert_equal [companies(:first_firm).id], Account.destroyed_account_ids[companies(:first_firm).id]
end
def test_natural_assignment_to_already_associated_record
company = companies(:first_firm)
account = accounts(:signals37)
assert_equal company.account, account
company.account = account
company.reload
account.reload
assert_equal company.account, account
end
def test_dependence
num_accounts = Account.count
firm = Firm.find(1)
assert_not_nil firm.account
account_id = firm.account.id
assert_equal [], Account.destroyed_account_ids[firm.id]
firm.destroy
assert_equal num_accounts - 1, Account.count
assert_equal [account_id], Account.destroyed_account_ids[firm.id]
end
def test_exclusive_dependence
num_accounts = Account.count
firm = ExclusivelyDependentFirm.find(9)
assert_not_nil firm.account
assert_equal [], Account.destroyed_account_ids[firm.id]
firm.destroy
assert_equal num_accounts - 1, Account.count
assert_equal [], Account.destroyed_account_ids[firm.id]
end
def test_dependence_with_nil_associate
firm = DependentFirm.new(:name => 'nullify')
firm.save!
assert_nothing_raised { firm.destroy }
end
def test_dependence_with_restrict
firm = RestrictedFirm.new(:name => 'restrict')
firm.save!
firm.create_account(:credit_limit => 10)
assert_not_nil firm.account
assert_raise(ActiveRecord::DeleteRestrictionError) { firm.destroy }
end
def test_successful_build_association
firm = Firm.new("name" => "GlobalMegaCorp")
firm.save
account = firm.build_account("credit_limit" => 1000)
assert account.save
assert_equal account, firm.account
end
def test_build_association_dont_create_transaction
assert_no_queries {
Firm.new.build_account
}
end
def test_build_and_create_should_not_happen_within_scope
pirate = pirates(:blackbeard)
scoped_count = pirate.association(:foo_bulb).scoped.where_values.count
bulb = pirate.build_foo_bulb
assert_not_equal scoped_count, bulb.scope_after_initialize.where_values.count
bulb = pirate.create_foo_bulb
assert_not_equal scoped_count, bulb.scope_after_initialize.where_values.count
bulb = pirate.create_foo_bulb!
assert_not_equal scoped_count, bulb.scope_after_initialize.where_values.count
end
def test_create_association
firm = Firm.create(:name => "GlobalMegaCorp")
account = firm.create_account(:credit_limit => 1000)
assert_equal account, firm.reload.account
end
def test_create_association_with_bang
firm = Firm.create(:name => "GlobalMegaCorp")
account = firm.create_account!(:credit_limit => 1000)
assert_equal account, firm.reload.account
end
def test_create_association_with_bang_failing
firm = Firm.create(:name => "GlobalMegaCorp")
assert_raise ActiveRecord::RecordInvalid do
firm.create_account!
end
account = firm.account
assert_not_nil account
account.credit_limit = 5
account.save
assert_equal account, firm.reload.account
end
def test_build
firm = Firm.new("name" => "GlobalMegaCorp")
firm.save
firm.account = account = Account.new("credit_limit" => 1000)
assert_equal account, firm.account
assert account.save
assert_equal account, firm.account
end
def test_create
firm = Firm.new("name" => "GlobalMegaCorp")
firm.save
firm.account = account = Account.create("credit_limit" => 1000)
assert_equal account, firm.account
end
def test_create_before_save
firm = Firm.new("name" => "GlobalMegaCorp")
firm.account = account = Account.create("credit_limit" => 1000)
assert_equal account, firm.account
end
def test_dependence_with_missing_association
Account.destroy_all
firm = Firm.find(1)
assert_nil firm.account
firm.destroy
end
def test_dependence_with_missing_association_and_nullify
Account.destroy_all
firm = DependentFirm.find(:first)
assert_nil firm.account
firm.destroy
end
def test_finding_with_interpolated_condition
firm = Firm.find(:first)
superior = firm.clients.create(:name => 'SuperiorCo')
superior.rating = 10
superior.save
assert_equal 10, firm.clients_with_interpolated_conditions.first.rating
end
def test_assignment_before_child_saved
firm = Firm.find(1)
firm.account = a = Account.new("credit_limit" => 1000)
assert a.persisted?
assert_equal a, firm.account
assert_equal a, firm.account
assert_equal a, firm.account(true)
end
def test_save_still_works_after_accessing_nil_has_one
jp = Company.new :name => 'Jaded Pixel'
jp.dummy_account.nil?
assert_nothing_raised do
jp.save!
end
end
def test_cant_save_readonly_association
assert_raise(ActiveRecord::ReadOnlyRecord) { companies(:first_firm).readonly_account.save! }
assert companies(:first_firm).readonly_account.readonly?
end
def test_has_one_proxy_should_not_respond_to_private_methods
assert_raise(NoMethodError) { accounts(:signals37).private_method }
assert_raise(NoMethodError) { companies(:first_firm).account.private_method }
end
def test_has_one_proxy_should_respond_to_private_methods_via_send
accounts(:signals37).send(:private_method)
companies(:first_firm).account.send(:private_method)
end
def test_save_of_record_with_loaded_has_one
@firm = companies(:first_firm)
assert_not_nil @firm.account
assert_nothing_raised do
Firm.find(@firm.id).save!
Firm.find(@firm.id, :include => :account).save!
end
@firm.account.destroy
assert_nothing_raised do
Firm.find(@firm.id).save!
Firm.find(@firm.id, :include => :account).save!
end
end
def test_build_respects_hash_condition
account = companies(:first_firm).build_account_limit_500_with_hash_conditions
assert account.save
assert_equal 500, account.credit_limit
end
def test_create_respects_hash_condition
account = companies(:first_firm).create_account_limit_500_with_hash_conditions
assert account.persisted?
assert_equal 500, account.credit_limit
end
def test_attributes_are_being_set_when_initialized_from_has_one_association_with_where_clause
new_account = companies(:first_firm).build_account(:firm_name => 'Account')
assert_equal new_account.firm_name, "Account"
end
def test_creation_failure_without_dependent_option
pirate = pirates(:blackbeard)
orig_ship = pirate.ship
assert_equal ships(:black_pearl), orig_ship
new_ship = pirate.create_ship
assert_not_equal ships(:black_pearl), new_ship
assert_equal new_ship, pirate.ship
assert new_ship.new_record?
assert_nil orig_ship.pirate_id
assert !orig_ship.changed? # check it was saved
end
def test_creation_failure_with_dependent_option
pirate = pirates(:blackbeard).becomes(DestructivePirate)
orig_ship = pirate.dependent_ship
new_ship = pirate.create_dependent_ship
assert new_ship.new_record?
assert orig_ship.destroyed?
end
def test_creation_failure_due_to_new_record_should_raise_error
pirate = pirates(:redbeard)
new_ship = Ship.new
assert_raise(ActiveRecord::RecordNotSaved) do
pirate.ship = new_ship
end
assert_nil pirate.ship
assert_nil new_ship.pirate_id
end
def test_replacement_failure_due_to_existing_record_should_raise_error
pirate = pirates(:blackbeard)
pirate.ship.name = nil
assert !pirate.ship.valid?
assert_raise(ActiveRecord::RecordNotSaved) do
pirate.ship = ships(:interceptor)
end
assert_equal ships(:black_pearl), pirate.ship
assert_equal pirate.id, pirate.ship.pirate_id
end
def test_replacement_failure_due_to_new_record_should_raise_error
pirate = pirates(:blackbeard)
new_ship = Ship.new
assert_raise(ActiveRecord::RecordNotSaved) do
pirate.ship = new_ship
end
assert_equal ships(:black_pearl), pirate.ship
assert_equal pirate.id, pirate.ship.pirate_id
assert_equal pirate.id, ships(:black_pearl).reload.pirate_id
assert_nil new_ship.pirate_id
end
def test_association_keys_bypass_attribute_protection
car = Car.create(:name => 'honda')
bulb = car.build_bulb
assert_equal car.id, bulb.car_id
bulb = car.build_bulb :car_id => car.id + 1
assert_equal car.id, bulb.car_id
bulb = car.create_bulb
assert_equal car.id, bulb.car_id
bulb = car.create_bulb :car_id => car.id + 1
assert_equal car.id, bulb.car_id
end
def test_association_protect_foreign_key
pirate = Pirate.create!(:catchphrase => "Don' botharrr talkin' like one, savvy?")
ship = pirate.build_ship
assert_equal pirate.id, ship.pirate_id
ship = pirate.build_ship :pirate_id => pirate.id + 1
assert_equal pirate.id, ship.pirate_id
ship = pirate.create_ship
assert_equal pirate.id, ship.pirate_id
ship = pirate.create_ship :pirate_id => pirate.id + 1
assert_equal pirate.id, ship.pirate_id
end
def test_association_conditions_bypass_attribute_protection
car = Car.create(:name => 'honda')
bulb = car.build_frickinawesome_bulb
assert_equal true, bulb.frickinawesome?
bulb = car.build_frickinawesome_bulb(:frickinawesome => false)
assert_equal true, bulb.frickinawesome?
bulb = car.create_frickinawesome_bulb
assert_equal true, bulb.frickinawesome?
bulb = car.create_frickinawesome_bulb(:frickinawesome => false)
assert_equal true, bulb.frickinawesome?
end
def test_new_is_called_with_attributes_and_options
car = Car.create(:name => 'honda')
bulb = car.build_bulb
assert_equal Bulb, bulb.class
bulb = car.build_bulb
assert_equal Bulb, bulb.class
bulb = car.build_bulb(:bulb_type => :custom)
assert_equal Bulb, bulb.class
bulb = car.build_bulb({ :bulb_type => :custom }, :as => :admin)
assert_equal CustomBulb, bulb.class
end
def test_build_with_block
car = Car.create(:name => 'honda')
bulb = car.build_bulb{ |b| b.color = 'Red' }
assert_equal 'RED!', bulb.color
end
def test_create_with_block
car = Car.create(:name => 'honda')
bulb = car.create_bulb{ |b| b.color = 'Red' }
assert_equal 'RED!', bulb.color
end
def test_create_bang_with_block
car = Car.create(:name => 'honda')
bulb = car.create_bulb!{ |b| b.color = 'Red' }
assert_equal 'RED!', bulb.color
end
def test_association_attributes_are_available_to_after_initialize
car = Car.create(:name => 'honda')
bulb = car.create_bulb
assert_equal car.id, bulb.attributes_after_initialize['car_id']
end
def test_has_one_transaction
company = companies(:first_firm)
account = Account.find(1)
company.account # force loading
assert_no_queries { company.account = account }
company.account = nil
assert_no_queries { company.account = nil }
account = Account.find(2)
assert_queries { company.account = account }
end
end
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