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has_one should always remove the old record (properly), even if not saving the new record, so we don't get the database into a pickle
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4 changed files with 31 additions and 11 deletions
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@ -20,7 +20,7 @@ module ActiveRecord
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load_target
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if @target && @target != record
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remove_target(save && @reflection.options[:dependent])
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remove_target(@reflection.options[:dependent])
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end
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if record
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@ -2,9 +2,11 @@ require "cases/helper"
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require 'models/developer'
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require 'models/project'
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require 'models/company'
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require 'models/ship'
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require 'models/pirate'
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class HasOneAssociationsTest < ActiveRecord::TestCase
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fixtures :accounts, :companies, :developers, :projects, :developers_projects
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fixtures :accounts, :companies, :developers, :projects, :developers_projects, :ships, :pirates
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def setup
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Account.destroyed_account_ids.clear
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@ -164,15 +166,6 @@ class HasOneAssociationsTest < ActiveRecord::TestCase
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assert_equal account, firm.account
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end
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def test_build_association_twice_without_saving_affects_nothing
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count_of_account = Account.count
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firm = Firm.find(:first)
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firm.build_account("credit_limit" => 1000)
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firm.build_account("credit_limit" => 2000)
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assert_equal count_of_account, Account.count
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end
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def test_create_association
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firm = Firm.create(:name => "GlobalMegaCorp")
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account = firm.create_account(:credit_limit => 1000)
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@ -293,4 +286,26 @@ class HasOneAssociationsTest < ActiveRecord::TestCase
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new_account = companies(:first_firm).build_account(:firm_name => 'Account')
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assert_equal new_account.firm_name, "Account"
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end
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def test_creation_failure_without_dependent_option
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pirate = pirates(:blackbeard)
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orig_ship = pirate.ship.target
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assert_equal ships(:black_pearl), orig_ship
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new_ship = pirate.create_ship
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assert_not_equal ships(:black_pearl), new_ship
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assert_equal new_ship, pirate.ship
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assert new_ship.new_record?
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assert_nil orig_ship.pirate_id
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assert !orig_ship.changed? # check it was saved
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end
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def test_creation_failure_with_dependent_option
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pirate = pirates(:blackbeard).becomes(DestructivePirate)
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orig_ship = pirate.dependent_ship.target
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new_ship = pirate.create_dependent_ship
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assert new_ship.new_record?
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assert orig_ship.destroyed?
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end
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end
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1
activerecord/test/fixtures/ships.yml
vendored
1
activerecord/test/fixtures/ships.yml
vendored
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@ -1,5 +1,6 @@
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black_pearl:
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name: "Black Pearl"
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pirate: blackbeard
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interceptor:
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id: 2
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name: "Interceptor"
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@ -78,3 +78,7 @@ class Pirate < ActiveRecord::Base
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ship_log << "#{callback}_#{record.class.name.downcase}_#{record.id || '<new>'}"
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end
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end
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class DestructivePirate < Pirate
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has_one :dependent_ship, :class_name => 'Ship', :foreign_key => :pirate_id, :dependent => :destroy
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end
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