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rails--rails/activerecord/test/cases/nested_attributes_test.rb
2010-11-30 18:46:56 -08:00

956 lines
37 KiB
Ruby

require "cases/helper"
require "models/pirate"
require "models/ship"
require "models/ship_part"
require "models/bird"
require "models/parrot"
require "models/treasure"
require "models/man"
require "models/interest"
require "models/owner"
require "models/pet"
require 'active_support/hash_with_indifferent_access'
module AssertRaiseWithMessage
def assert_raise_with_message(expected_exception, expected_message)
begin
error_raised = false
yield
rescue expected_exception => error
error_raised = true
actual_message = error.message
end
assert error_raised
assert_equal expected_message, actual_message
end
end
class TestNestedAttributesInGeneral < ActiveRecord::TestCase
include AssertRaiseWithMessage
def teardown
Pirate.accepts_nested_attributes_for :ship, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? }
end
def test_base_should_have_an_empty_nested_attributes_options
assert_equal Hash.new, ActiveRecord::Base.nested_attributes_options
end
def test_should_add_a_proc_to_nested_attributes_options
assert_equal ActiveRecord::NestedAttributes::ClassMethods::REJECT_ALL_BLANK_PROC,
Pirate.nested_attributes_options[:birds_with_reject_all_blank][:reject_if]
[:parrots, :birds].each do |name|
assert_instance_of Proc, Pirate.nested_attributes_options[name][:reject_if]
end
end
def test_should_not_build_a_new_record_if_reject_all_blank_returns_false
pirate = Pirate.create!(:catchphrase => "Don' botharrr talkin' like one, savvy?")
pirate.birds_with_reject_all_blank_attributes = [{:name => '', :color => ''}]
pirate.save!
assert pirate.birds_with_reject_all_blank.empty?
end
def test_should_build_a_new_record_if_reject_all_blank_does_not_return_false
pirate = Pirate.create!(:catchphrase => "Don' botharrr talkin' like one, savvy?")
pirate.birds_with_reject_all_blank_attributes = [{:name => 'Tweetie', :color => ''}]
pirate.save!
assert_equal 1, pirate.birds_with_reject_all_blank.count
assert_equal 'Tweetie', pirate.birds_with_reject_all_blank.first.name
end
def test_should_raise_an_ArgumentError_for_non_existing_associations
assert_raise_with_message ArgumentError, "No association found for name `honesty'. Has it been defined yet?" do
Pirate.accepts_nested_attributes_for :honesty
end
end
def test_should_disable_allow_destroy_by_default
Pirate.accepts_nested_attributes_for :ship
pirate = Pirate.create!(:catchphrase => "Don' botharrr talkin' like one, savvy?")
ship = pirate.create_ship(:name => 'Nights Dirty Lightning')
pirate.update_attributes(:ship_attributes => { '_destroy' => true, :id => ship.id })
assert_nothing_raised(ActiveRecord::RecordNotFound) { pirate.ship.reload }
end
def test_a_model_should_respond_to_underscore_destroy_and_return_if_it_is_marked_for_destruction
ship = Ship.create!(:name => 'Nights Dirty Lightning')
assert !ship._destroy
ship.mark_for_destruction
assert ship._destroy
end
def test_reject_if_method_without_arguments
Pirate.accepts_nested_attributes_for :ship, :reject_if => :new_record?
pirate = Pirate.new(:catchphrase => "Stop wastin' me time")
pirate.ship_attributes = { :name => 'Black Pearl' }
assert_no_difference('Ship.count') { pirate.save! }
end
def test_reject_if_method_with_arguments
Pirate.accepts_nested_attributes_for :ship, :reject_if => :reject_empty_ships_on_create
pirate = Pirate.new(:catchphrase => "Stop wastin' me time")
pirate.ship_attributes = { :name => 'Red Pearl', :_reject_me_if_new => true }
assert_no_difference('Ship.count') { pirate.save! }
# pirate.reject_empty_ships_on_create returns false for saved pirate records
# in the previous step note that pirate gets saved but ship fails
pirate.ship_attributes = { :name => 'Red Pearl', :_reject_me_if_new => true }
assert_difference('Ship.count') { pirate.save! }
end
def test_reject_if_with_indifferent_keys
Pirate.accepts_nested_attributes_for :ship, :reject_if => proc {|attributes| attributes[:name].blank? }
pirate = Pirate.new(:catchphrase => "Stop wastin' me time")
pirate.ship_attributes = { :name => 'Hello Pearl' }
assert_difference('Ship.count') { pirate.save! }
end
def test_reject_if_with_a_proc_which_returns_true_always_for_has_one
Pirate.accepts_nested_attributes_for :ship, :reject_if => proc {|attributes| true }
pirate = Pirate.new(:catchphrase => "Stop wastin' me time")
ship = pirate.create_ship(:name => 's1')
pirate.update_attributes({:ship_attributes => { :name => 's2', :id => ship.id } })
assert_equal 's1', ship.reload.name
end
def test_reject_if_with_a_proc_which_returns_true_always_for_has_many
Man.accepts_nested_attributes_for :interests, :reject_if => proc {|attributes| true }
man = Man.create(:name => "John")
interest = man.interests.create(:topic => 'photography')
man.update_attributes({:interests_attributes => { :topic => 'gardening', :id => interest.id } })
assert_equal 'photography', interest.reload.topic
end
def test_has_many_association_updating_a_single_record
Man.accepts_nested_attributes_for(:interests)
man = Man.create(:name => 'John')
interest = man.interests.create(:topic => 'photography')
man.update_attributes({:interests_attributes => {:topic => 'gardening', :id => interest.id}})
assert_equal 'gardening', interest.reload.topic
end
def test_reject_if_with_blank_nested_attributes_id
# When using a select list to choose an existing 'ship' id, with :include_blank => true
Pirate.accepts_nested_attributes_for :ship, :reject_if => proc {|attributes| attributes[:id].blank? }
pirate = Pirate.new(:catchphrase => "Stop wastin' me time")
pirate.ship_attributes = { :id => "" }
assert_nothing_raised(ActiveRecord::RecordNotFound) { pirate.save! }
end
end
class TestNestedAttributesOnAHasOneAssociation < ActiveRecord::TestCase
include AssertRaiseWithMessage
def setup
@pirate = Pirate.create!(:catchphrase => "Don' botharrr talkin' like one, savvy?")
@ship = @pirate.create_ship(:name => 'Nights Dirty Lightning')
end
def test_should_raise_argument_error_if_trying_to_build_polymorphic_belongs_to
assert_raise_with_message ArgumentError, "Cannot build association looter. Are you trying to build a polymorphic one-to-one association?" do
Treasure.new(:name => 'pearl', :looter_attributes => {:catchphrase => "Arrr"})
end
end
def test_should_define_an_attribute_writer_method_for_the_association
assert_respond_to @pirate, :ship_attributes=
end
def test_should_build_a_new_record_if_there_is_no_id
@ship.destroy
@pirate.reload.ship_attributes = { :name => 'Davy Jones Gold Dagger' }
assert !@pirate.ship.persisted?
assert_equal 'Davy Jones Gold Dagger', @pirate.ship.name
end
def test_should_not_build_a_new_record_if_there_is_no_id_and_destroy_is_truthy
@ship.destroy
@pirate.reload.ship_attributes = { :name => 'Davy Jones Gold Dagger', :_destroy => '1' }
assert_nil @pirate.ship
end
def test_should_not_build_a_new_record_if_a_reject_if_proc_returns_false
@ship.destroy
@pirate.reload.ship_attributes = {}
assert_nil @pirate.ship
end
def test_should_replace_an_existing_record_if_there_is_no_id
@pirate.reload.ship_attributes = { :name => 'Davy Jones Gold Dagger' }
assert !@pirate.ship.persisted?
assert_equal 'Davy Jones Gold Dagger', @pirate.ship.name
assert_equal 'Nights Dirty Lightning', @ship.name
end
def test_should_not_replace_an_existing_record_if_there_is_no_id_and_destroy_is_truthy
@pirate.reload.ship_attributes = { :name => 'Davy Jones Gold Dagger', :_destroy => '1' }
assert_equal @ship, @pirate.ship
assert_equal 'Nights Dirty Lightning', @pirate.ship.name
end
def test_should_modify_an_existing_record_if_there_is_a_matching_id
@pirate.reload.ship_attributes = { :id => @ship.id, :name => 'Davy Jones Gold Dagger' }
assert_equal @ship, @pirate.ship
assert_equal 'Davy Jones Gold Dagger', @pirate.ship.name
end
def test_should_raise_RecordNotFound_if_an_id_is_given_but_doesnt_return_a_record
assert_raise_with_message ActiveRecord::RecordNotFound, "Couldn't find Ship with ID=1234567890 for Pirate with ID=#{@pirate.id}" do
@pirate.ship_attributes = { :id => 1234567890 }
end
end
def test_should_take_a_hash_with_string_keys_and_update_the_associated_model
@pirate.reload.ship_attributes = { 'id' => @ship.id, 'name' => 'Davy Jones Gold Dagger' }
assert_equal @ship, @pirate.ship
assert_equal 'Davy Jones Gold Dagger', @pirate.ship.name
end
def test_should_modify_an_existing_record_if_there_is_a_matching_composite_id
@ship.stubs(:id).returns('ABC1X')
@pirate.ship_attributes = { :id => @ship.id, :name => 'Davy Jones Gold Dagger' }
assert_equal 'Davy Jones Gold Dagger', @pirate.ship.name
end
def test_should_destroy_an_existing_record_if_there_is_a_matching_id_and_destroy_is_truthy
@pirate.ship.destroy
[1, '1', true, 'true'].each do |truth|
ship = @pirate.reload.create_ship(:name => 'Mister Pablo')
@pirate.update_attributes(:ship_attributes => { :id => ship.id, :_destroy => truth })
assert_nil @pirate.reload.ship
assert_raise(ActiveRecord::RecordNotFound) { Ship.find(ship.id) }
end
end
def test_should_not_destroy_an_existing_record_if_destroy_is_not_truthy
[nil, '0', 0, 'false', false].each do |not_truth|
@pirate.update_attributes(:ship_attributes => { :id => @pirate.ship.id, :_destroy => not_truth })
assert_equal @ship, @pirate.reload.ship
end
end
def test_should_not_destroy_an_existing_record_if_allow_destroy_is_false
Pirate.accepts_nested_attributes_for :ship, :allow_destroy => false, :reject_if => proc { |attributes| attributes.empty? }
@pirate.update_attributes(:ship_attributes => { :id => @pirate.ship.id, :_destroy => '1' })
assert_equal @ship, @pirate.reload.ship
Pirate.accepts_nested_attributes_for :ship, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? }
end
def test_should_also_work_with_a_HashWithIndifferentAccess
@pirate.ship_attributes = HashWithIndifferentAccess.new(:id => @ship.id, :name => 'Davy Jones Gold Dagger')
assert @pirate.ship.persisted?
assert_equal 'Davy Jones Gold Dagger', @pirate.ship.name
end
def test_should_work_with_update_attributes_as_well
@pirate.update_attributes({ :catchphrase => 'Arr', :ship_attributes => { :id => @ship.id, :name => 'Mister Pablo' } })
@pirate.reload
assert_equal 'Arr', @pirate.catchphrase
assert_equal 'Mister Pablo', @pirate.ship.name
end
def test_should_not_destroy_the_associated_model_until_the_parent_is_saved
@pirate.attributes = { :ship_attributes => { :id => @ship.id, :_destroy => '1' } }
assert !@pirate.ship.destroyed?
assert @pirate.ship.marked_for_destruction?
@pirate.save
assert @pirate.ship.destroyed?
assert_nil @pirate.reload.ship
end
def test_should_automatically_enable_autosave_on_the_association
assert Pirate.reflect_on_association(:ship).options[:autosave]
end
def test_should_accept_update_only_option
@pirate.update_attributes(:update_only_ship_attributes => { :id => @pirate.ship.id, :name => 'Mayflower' })
end
def test_should_create_new_model_when_nothing_is_there_and_update_only_is_true
@ship.delete
@pirate.reload.update_attributes(:update_only_ship_attributes => { :name => 'Mayflower' })
assert_not_nil @pirate.ship
end
def test_should_update_existing_when_update_only_is_true_and_no_id_is_given
@ship.delete
@ship = @pirate.create_update_only_ship(:name => 'Nights Dirty Lightning')
@pirate.update_attributes(:update_only_ship_attributes => { :name => 'Mayflower' })
assert_equal 'Mayflower', @ship.reload.name
assert_equal @ship, @pirate.reload.ship
end
def test_should_update_existing_when_update_only_is_true_and_id_is_given
@ship.delete
@ship = @pirate.create_update_only_ship(:name => 'Nights Dirty Lightning')
@pirate.update_attributes(:update_only_ship_attributes => { :name => 'Mayflower', :id => @ship.id })
assert_equal 'Mayflower', @ship.reload.name
assert_equal @ship, @pirate.reload.ship
end
def test_should_destroy_existing_when_update_only_is_true_and_id_is_given_and_is_marked_for_destruction
Pirate.accepts_nested_attributes_for :update_only_ship, :update_only => true, :allow_destroy => true
@ship.delete
@ship = @pirate.create_update_only_ship(:name => 'Nights Dirty Lightning')
@pirate.update_attributes(:update_only_ship_attributes => { :name => 'Mayflower', :id => @ship.id, :_destroy => true })
assert_nil @pirate.reload.ship
assert_raise(ActiveRecord::RecordNotFound) { Ship.find(@ship.id) }
Pirate.accepts_nested_attributes_for :update_only_ship, :update_only => true, :allow_destroy => false
end
end
class TestNestedAttributesOnABelongsToAssociation < ActiveRecord::TestCase
include AssertRaiseWithMessage
def setup
@ship = Ship.new(:name => 'Nights Dirty Lightning')
@pirate = @ship.build_pirate(:catchphrase => 'Aye')
@ship.save!
end
def test_should_define_an_attribute_writer_method_for_the_association
assert_respond_to @ship, :pirate_attributes=
end
def test_should_build_a_new_record_if_there_is_no_id
@pirate.destroy
@ship.reload.pirate_attributes = { :catchphrase => 'Arr' }
assert !@ship.pirate.persisted?
assert_equal 'Arr', @ship.pirate.catchphrase
end
def test_should_not_build_a_new_record_if_there_is_no_id_and_destroy_is_truthy
@pirate.destroy
@ship.reload.pirate_attributes = { :catchphrase => 'Arr', :_destroy => '1' }
assert_nil @ship.pirate
end
def test_should_not_build_a_new_record_if_a_reject_if_proc_returns_false
@pirate.destroy
@ship.reload.pirate_attributes = {}
assert_nil @ship.pirate
end
def test_should_replace_an_existing_record_if_there_is_no_id
@ship.reload.pirate_attributes = { :catchphrase => 'Arr' }
assert !@ship.pirate.persisted?
assert_equal 'Arr', @ship.pirate.catchphrase
assert_equal 'Aye', @pirate.catchphrase
end
def test_should_not_replace_an_existing_record_if_there_is_no_id_and_destroy_is_truthy
@ship.reload.pirate_attributes = { :catchphrase => 'Arr', :_destroy => '1' }
assert_equal @pirate, @ship.pirate
assert_equal 'Aye', @ship.pirate.catchphrase
end
def test_should_modify_an_existing_record_if_there_is_a_matching_id
@ship.reload.pirate_attributes = { :id => @pirate.id, :catchphrase => 'Arr' }
assert_equal @pirate, @ship.pirate
assert_equal 'Arr', @ship.pirate.catchphrase
end
def test_should_raise_RecordNotFound_if_an_id_is_given_but_doesnt_return_a_record
assert_raise_with_message ActiveRecord::RecordNotFound, "Couldn't find Pirate with ID=1234567890 for Ship with ID=#{@ship.id}" do
@ship.pirate_attributes = { :id => 1234567890 }
end
end
def test_should_take_a_hash_with_string_keys_and_update_the_associated_model
@ship.reload.pirate_attributes = { 'id' => @pirate.id, 'catchphrase' => 'Arr' }
assert_equal @pirate, @ship.pirate
assert_equal 'Arr', @ship.pirate.catchphrase
end
def test_should_modify_an_existing_record_if_there_is_a_matching_composite_id
@pirate.stubs(:id).returns('ABC1X')
@ship.pirate_attributes = { :id => @pirate.id, :catchphrase => 'Arr' }
assert_equal 'Arr', @ship.pirate.catchphrase
end
def test_should_destroy_an_existing_record_if_there_is_a_matching_id_and_destroy_is_truthy
@ship.pirate.destroy
[1, '1', true, 'true'].each do |truth|
pirate = @ship.reload.create_pirate(:catchphrase => 'Arr')
@ship.update_attributes(:pirate_attributes => { :id => pirate.id, :_destroy => truth })
assert_raise(ActiveRecord::RecordNotFound) { pirate.reload }
end
end
def test_should_not_destroy_an_existing_record_if_destroy_is_not_truthy
[nil, '0', 0, 'false', false].each do |not_truth|
@ship.update_attributes(:pirate_attributes => { :id => @ship.pirate.id, :_destroy => not_truth })
assert_nothing_raised(ActiveRecord::RecordNotFound) { @ship.pirate.reload }
end
end
def test_should_not_destroy_an_existing_record_if_allow_destroy_is_false
Ship.accepts_nested_attributes_for :pirate, :allow_destroy => false, :reject_if => proc { |attributes| attributes.empty? }
@ship.update_attributes(:pirate_attributes => { :id => @ship.pirate.id, :_destroy => '1' })
assert_nothing_raised(ActiveRecord::RecordNotFound) { @ship.pirate.reload }
Ship.accepts_nested_attributes_for :pirate, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? }
end
def test_should_work_with_update_attributes_as_well
@ship.update_attributes({ :name => 'Mister Pablo', :pirate_attributes => { :catchphrase => 'Arr' } })
@ship.reload
assert_equal 'Mister Pablo', @ship.name
assert_equal 'Arr', @ship.pirate.catchphrase
end
def test_should_not_destroy_the_associated_model_until_the_parent_is_saved
pirate = @ship.pirate
@ship.attributes = { :pirate_attributes => { :id => pirate.id, '_destroy' => true } }
assert_nothing_raised(ActiveRecord::RecordNotFound) { Pirate.find(pirate.id) }
@ship.save
assert_raise(ActiveRecord::RecordNotFound) { Pirate.find(pirate.id) }
end
def test_should_automatically_enable_autosave_on_the_association
assert Ship.reflect_on_association(:pirate).options[:autosave]
end
def test_should_create_new_model_when_nothing_is_there_and_update_only_is_true
@pirate.delete
@ship.reload.attributes = { :update_only_pirate_attributes => { :catchphrase => 'Arr' } }
assert !@ship.update_only_pirate.persisted?
end
def test_should_update_existing_when_update_only_is_true_and_no_id_is_given
@pirate.delete
@pirate = @ship.create_update_only_pirate(:catchphrase => 'Aye')
@ship.update_attributes(:update_only_pirate_attributes => { :catchphrase => 'Arr' })
assert_equal 'Arr', @pirate.reload.catchphrase
assert_equal @pirate, @ship.reload.update_only_pirate
end
def test_should_update_existing_when_update_only_is_true_and_id_is_given
@pirate.delete
@pirate = @ship.create_update_only_pirate(:catchphrase => 'Aye')
@ship.update_attributes(:update_only_pirate_attributes => { :catchphrase => 'Arr', :id => @pirate.id })
assert_equal 'Arr', @pirate.reload.catchphrase
assert_equal @pirate, @ship.reload.update_only_pirate
end
def test_should_destroy_existing_when_update_only_is_true_and_id_is_given_and_is_marked_for_destruction
Ship.accepts_nested_attributes_for :update_only_pirate, :update_only => true, :allow_destroy => true
@pirate.delete
@pirate = @ship.create_update_only_pirate(:catchphrase => 'Aye')
@ship.update_attributes(:update_only_pirate_attributes => { :catchphrase => 'Arr', :id => @pirate.id, :_destroy => true })
assert_raise(ActiveRecord::RecordNotFound) { @pirate.reload }
Ship.accepts_nested_attributes_for :update_only_pirate, :update_only => true, :allow_destroy => false
end
end
module NestedAttributesOnACollectionAssociationTests
include AssertRaiseWithMessage
def test_should_define_an_attribute_writer_method_for_the_association
assert_respond_to @pirate, association_setter
end
def test_should_save_only_one_association_on_create
pirate = Pirate.create!({
:catchphrase => 'Arr',
association_getter => { 'foo' => { :name => 'Grace OMalley' } }
})
assert_equal 1, pirate.reload.send(@association_name).count
end
def test_should_take_a_hash_with_string_keys_and_assign_the_attributes_to_the_associated_models
@alternate_params[association_getter].stringify_keys!
@pirate.update_attributes @alternate_params
assert_equal ['Grace OMalley', 'Privateers Greed'], [@child_1.reload.name, @child_2.reload.name]
end
def test_should_take_an_array_and_assign_the_attributes_to_the_associated_models
@pirate.send(association_setter, @alternate_params[association_getter].values)
@pirate.save
assert_equal ['Grace OMalley', 'Privateers Greed'], [@child_1.reload.name, @child_2.reload.name]
end
def test_should_also_work_with_a_HashWithIndifferentAccess
@pirate.send(association_setter, HashWithIndifferentAccess.new('foo' => HashWithIndifferentAccess.new(:id => @child_1.id, :name => 'Grace OMalley')))
@pirate.save
assert_equal 'Grace OMalley', @child_1.reload.name
end
def test_should_take_a_hash_and_assign_the_attributes_to_the_associated_models
@pirate.attributes = @alternate_params
assert_equal 'Grace OMalley', @pirate.send(@association_name).first.name
assert_equal 'Privateers Greed', @pirate.send(@association_name).last.name
end
def test_should_not_load_association_when_updating_existing_records
@pirate.reload
@pirate.send(association_setter, [{ :id => @child_1.id, :name => 'Grace OMalley' }])
assert ! @pirate.send(@association_name).loaded?
@pirate.save
assert ! @pirate.send(@association_name).loaded?
assert_equal 'Grace OMalley', @child_1.reload.name
end
def test_should_not_overwrite_unsaved_updates_when_loading_association
@pirate.reload
@pirate.send(association_setter, [{ :id => @child_1.id, :name => 'Grace OMalley' }])
assert_equal 'Grace OMalley', @pirate.send(@association_name).send(:load_target).find { |r| r.id == @child_1.id }.name
end
def test_should_preserve_order_when_not_overwriting_unsaved_updates
@pirate.reload
@pirate.send(association_setter, [{ :id => @child_1.id, :name => 'Grace OMalley' }])
assert_equal @child_1.id, @pirate.send(@association_name).send(:load_target).first.id
end
def test_should_refresh_saved_records_when_not_overwriting_unsaved_updates
@pirate.reload
record = @pirate.class.reflect_on_association(@association_name).klass.new(:name => 'Grace OMalley')
@pirate.send(@association_name) << record
record.save!
@pirate.send(@association_name).last.update_attributes!(:name => 'Polly')
assert_equal 'Polly', @pirate.send(@association_name).send(:load_target).last.name
end
def test_should_not_remove_scheduled_destroys_when_loading_association
@pirate.reload
@pirate.send(association_setter, [{ :id => @child_1.id, :_destroy => '1' }])
assert @pirate.send(@association_name).send(:load_target).find { |r| r.id == @child_1.id }.marked_for_destruction?
end
def test_should_take_a_hash_with_composite_id_keys_and_assign_the_attributes_to_the_associated_models
@child_1.stubs(:id).returns('ABC1X')
@child_2.stubs(:id).returns('ABC2X')
@pirate.attributes = {
association_getter => [
{ :id => @child_1.id, :name => 'Grace OMalley' },
{ :id => @child_2.id, :name => 'Privateers Greed' }
]
}
assert_equal ['Grace OMalley', 'Privateers Greed'], [@child_1.name, @child_2.name]
end
def test_should_raise_RecordNotFound_if_an_id_is_given_but_doesnt_return_a_record
assert_raise_with_message ActiveRecord::RecordNotFound, "Couldn't find #{@child_1.class.name} with ID=1234567890 for Pirate with ID=#{@pirate.id}" do
@pirate.attributes = { association_getter => [{ :id => 1234567890 }] }
end
end
def test_should_automatically_build_new_associated_models_for_each_entry_in_a_hash_where_the_id_is_missing
@pirate.send(@association_name).destroy_all
@pirate.reload.attributes = {
association_getter => { 'foo' => { :name => 'Grace OMalley' }, 'bar' => { :name => 'Privateers Greed' }}
}
assert !@pirate.send(@association_name).first.persisted?
assert_equal 'Grace OMalley', @pirate.send(@association_name).first.name
assert !@pirate.send(@association_name).last.persisted?
assert_equal 'Privateers Greed', @pirate.send(@association_name).last.name
end
def test_should_not_assign_destroy_key_to_a_record
assert_nothing_raised ActiveRecord::UnknownAttributeError do
@pirate.send(association_setter, { 'foo' => { '_destroy' => '0' }})
end
end
def test_should_ignore_new_associated_records_with_truthy_destroy_attribute
@pirate.send(@association_name).destroy_all
@pirate.reload.attributes = {
association_getter => {
'foo' => { :name => 'Grace OMalley' },
'bar' => { :name => 'Privateers Greed', '_destroy' => '1' }
}
}
assert_equal 1, @pirate.send(@association_name).length
assert_equal 'Grace OMalley', @pirate.send(@association_name).first.name
end
def test_should_ignore_new_associated_records_if_a_reject_if_proc_returns_false
@alternate_params[association_getter]['baz'] = {}
assert_no_difference("@pirate.send(@association_name).count") do
@pirate.attributes = @alternate_params
end
end
def test_should_sort_the_hash_by_the_keys_before_building_new_associated_models
attributes = ActiveSupport::OrderedHash.new
attributes['123726353'] = { :name => 'Grace OMalley' }
attributes['2'] = { :name => 'Privateers Greed' } # 2 is lower then 123726353
@pirate.send(association_setter, attributes)
assert_equal ['Posideons Killer', 'Killer bandita Dionne', 'Privateers Greed', 'Grace OMalley'].to_set, @pirate.send(@association_name).map(&:name).to_set
end
def test_should_raise_an_argument_error_if_something_else_than_a_hash_is_passed
assert_nothing_raised(ArgumentError) { @pirate.send(association_setter, {}) }
assert_nothing_raised(ArgumentError) { @pirate.send(association_setter, ActiveSupport::OrderedHash.new) }
assert_raise_with_message ArgumentError, 'Hash or Array expected, got String ("foo")' do
@pirate.send(association_setter, "foo")
end
end
def test_should_work_with_update_attributes_as_well
@pirate.update_attributes(:catchphrase => 'Arr',
association_getter => { 'foo' => { :id => @child_1.id, :name => 'Grace OMalley' }})
assert_equal 'Grace OMalley', @child_1.reload.name
end
def test_should_update_existing_records_and_add_new_ones_that_have_no_id
@alternate_params[association_getter]['baz'] = { :name => 'Buccaneers Servant' }
assert_difference('@pirate.send(@association_name).count', +1) do
@pirate.update_attributes @alternate_params
end
assert_equal ['Grace OMalley', 'Privateers Greed', 'Buccaneers Servant'].to_set, @pirate.reload.send(@association_name).map(&:name).to_set
end
def test_should_be_possible_to_destroy_a_record
['1', 1, 'true', true].each do |true_variable|
record = @pirate.reload.send(@association_name).create!(:name => 'Grace OMalley')
@pirate.send(association_setter,
@alternate_params[association_getter].merge('baz' => { :id => record.id, '_destroy' => true_variable })
)
assert_difference('@pirate.send(@association_name).count', -1) do
@pirate.save
end
end
end
def test_should_not_destroy_the_associated_model_with_a_non_truthy_argument
[nil, '', '0', 0, 'false', false].each do |false_variable|
@alternate_params[association_getter]['foo']['_destroy'] = false_variable
assert_no_difference('@pirate.send(@association_name).count') do
@pirate.update_attributes(@alternate_params)
end
end
end
def test_should_not_destroy_the_associated_model_until_the_parent_is_saved
assert_no_difference('@pirate.send(@association_name).count') do
@pirate.send(association_setter, @alternate_params[association_getter].merge('baz' => { :id => @child_1.id, '_destroy' => true }))
end
assert_difference('@pirate.send(@association_name).count', -1) { @pirate.save }
end
def test_should_automatically_enable_autosave_on_the_association
assert Pirate.reflect_on_association(@association_name).options[:autosave]
end
def test_validate_presence_of_parent_works_with_inverse_of
Man.accepts_nested_attributes_for(:interests)
assert_equal :man, Man.reflect_on_association(:interests).options[:inverse_of]
assert_equal :interests, Interest.reflect_on_association(:man).options[:inverse_of]
repair_validations(Interest) do
Interest.validates_presence_of(:man)
assert_difference 'Man.count' do
assert_difference 'Interest.count', 2 do
man = Man.create!(:name => 'John',
:interests_attributes => [{:topic=>'Cars'}, {:topic=>'Sports'}])
assert_equal 2, man.interests.count
end
end
end
end
def test_validate_presence_of_parent_fails_without_inverse_of
Man.accepts_nested_attributes_for(:interests)
Man.reflect_on_association(:interests).options.delete(:inverse_of)
Interest.reflect_on_association(:man).options.delete(:inverse_of)
repair_validations(Interest) do
Interest.validates_presence_of(:man)
assert_no_difference ['Man.count', 'Interest.count'] do
man = Man.create(:name => 'John',
:interests_attributes => [{:topic=>'Cars'}, {:topic=>'Sports'}])
assert !man.errors[:"interests.man"].empty?
end
end
# restore :inverse_of
Man.reflect_on_association(:interests).options[:inverse_of] = :man
Interest.reflect_on_association(:man).options[:inverse_of] = :interests
end
private
def association_setter
@association_setter ||= "#{@association_name}_attributes=".to_sym
end
def association_getter
@association_getter ||= "#{@association_name}_attributes".to_sym
end
end
class TestNestedAttributesOnAHasManyAssociation < ActiveRecord::TestCase
def setup
@association_type = :has_many
@association_name = :birds
@pirate = Pirate.create!(:catchphrase => "Don' botharrr talkin' like one, savvy?")
@pirate.birds.create!(:name => 'Posideons Killer')
@pirate.birds.create!(:name => 'Killer bandita Dionne')
@child_1, @child_2 = @pirate.birds
@alternate_params = {
:birds_attributes => {
'foo' => { :id => @child_1.id, :name => 'Grace OMalley' },
'bar' => { :id => @child_2.id, :name => 'Privateers Greed' }
}
}
end
include NestedAttributesOnACollectionAssociationTests
end
class TestNestedAttributesOnAHasAndBelongsToManyAssociation < ActiveRecord::TestCase
def setup
@association_type = :has_and_belongs_to_many
@association_name = :parrots
@pirate = Pirate.create!(:catchphrase => "Don' botharrr talkin' like one, savvy?")
@pirate.parrots.create!(:name => 'Posideons Killer')
@pirate.parrots.create!(:name => 'Killer bandita Dionne')
@child_1, @child_2 = @pirate.parrots
@alternate_params = {
:parrots_attributes => {
'foo' => { :id => @child_1.id, :name => 'Grace OMalley' },
'bar' => { :id => @child_2.id, :name => 'Privateers Greed' }
}
}
end
include NestedAttributesOnACollectionAssociationTests
end
class TestNestedAttributesLimit < ActiveRecord::TestCase
def setup
Pirate.accepts_nested_attributes_for :parrots, :limit => 2
@pirate = Pirate.create!(:catchphrase => "Don' botharrr talkin' like one, savvy?")
end
def teardown
Pirate.accepts_nested_attributes_for :parrots, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? }
end
def test_limit_with_less_records
@pirate.attributes = { :parrots_attributes => { 'foo' => { :name => 'Big Big Love' } } }
assert_difference('Parrot.count') { @pirate.save! }
end
def test_limit_with_number_exact_records
@pirate.attributes = { :parrots_attributes => { 'foo' => { :name => 'Lovely Day' }, 'bar' => { :name => 'Blown Away' } } }
assert_difference('Parrot.count', 2) { @pirate.save! }
end
def test_limit_with_exceeding_records
assert_raises(ActiveRecord::NestedAttributes::TooManyRecords) do
@pirate.attributes = { :parrots_attributes => { 'foo' => { :name => 'Lovely Day' },
'bar' => { :name => 'Blown Away' },
'car' => { :name => 'The Happening' }} }
end
end
end
class TestNestedAttributesWithNonStandardPrimaryKeys < ActiveRecord::TestCase
fixtures :owners, :pets
def setup
Owner.accepts_nested_attributes_for :pets, :allow_destroy => true
@owner = owners(:ashley)
@pet1, @pet2 = pets(:chew), pets(:mochi)
@params = {
:pets_attributes => {
'0' => { :id => @pet1.id, :name => 'Foo' },
'1' => { :id => @pet2.id, :name => 'Bar' }
}
}
end
def test_should_update_existing_records_with_non_standard_primary_key
@owner.update_attributes(@params)
assert_equal ['Foo', 'Bar'], @owner.pets.map(&:name)
end
def test_attr_accessor_of_child_should_be_value_provided_during_update_attributes
@owner = owners(:ashley)
@pet1 = pets(:chew)
attributes = {:pets_attributes => { "1"=> { :id => @pet1.id,
:name => "Foo2",
:current_user => "John",
:_destroy=>true }}}
@owner.update_attributes(attributes)
assert_equal 'John', Pet.after_destroy_output
end
end
class TestHasOneAutosaveAssociationWhichItselfHasAutosaveAssociations < ActiveRecord::TestCase
self.use_transactional_fixtures = false
def setup
@pirate = Pirate.create!(:catchphrase => "My baby takes tha mornin' train!")
@ship = @pirate.create_ship(:name => "The good ship Dollypop")
@part = @ship.parts.create!(:name => "Mast")
@trinket = @part.trinkets.create!(:name => "Necklace")
end
test "when great-grandchild changed in memory, saving parent should save great-grandchild" do
@trinket.name = "changed"
@pirate.save
assert_equal "changed", @trinket.reload.name
end
test "when great-grandchild changed via attributes, saving parent should save great-grandchild" do
@pirate.attributes = {:ship_attributes => {:id => @ship.id, :parts_attributes => [{:id => @part.id, :trinkets_attributes => [{:id => @trinket.id, :name => "changed"}]}]}}
@pirate.save
assert_equal "changed", @trinket.reload.name
end
test "when great-grandchild marked_for_destruction via attributes, saving parent should destroy great-grandchild" do
@pirate.attributes = {:ship_attributes => {:id => @ship.id, :parts_attributes => [{:id => @part.id, :trinkets_attributes => [{:id => @trinket.id, :_destroy => true}]}]}}
assert_difference('@part.trinkets.count', -1) { @pirate.save }
end
test "when great-grandchild added via attributes, saving parent should create great-grandchild" do
@pirate.attributes = {:ship_attributes => {:id => @ship.id, :parts_attributes => [{:id => @part.id, :trinkets_attributes => [{:name => "created"}]}]}}
assert_difference('@part.trinkets.count', 1) { @pirate.save }
end
test "when extra records exist for associations, validate (which calls nested_records_changed_for_autosave?) should not load them up" do
@trinket.name = "changed"
Ship.create!(:pirate => @pirate, :name => "The Black Rock")
ShipPart.create!(:ship => @ship, :name => "Stern")
assert_no_queries { @pirate.valid? }
end
end
class TestHasManyAutosaveAssociationWhichItselfHasAutosaveAssociations < ActiveRecord::TestCase
self.use_transactional_fixtures = false
def setup
@ship = Ship.create!(:name => "The good ship Dollypop")
@part = @ship.parts.create!(:name => "Mast")
@trinket = @part.trinkets.create!(:name => "Necklace")
end
test "if association is not loaded and association record is saved and then in memory record attributes should be saved" do
@ship.parts_attributes=[{:id => @part.id,:name =>'Deck'}]
assert_equal 1, @ship.parts.proxy_target.size
assert_equal 'Deck', @ship.parts[0].name
end
test "if association is not loaded and child doesn't change and I am saving a grandchild then in memory record should be used" do
@ship.parts_attributes=[{:id => @part.id,:trinkets_attributes =>[{:id => @trinket.id, :name => 'Ruby'}]}]
assert_equal 1, @ship.parts.proxy_target.size
assert_equal 'Mast', @ship.parts[0].name
assert_no_difference("@ship.parts[0].trinkets.proxy_target.size") do
@ship.parts[0].trinkets.proxy_target.size
end
assert_equal 'Ruby', @ship.parts[0].trinkets[0].name
@ship.save
assert_equal 'Ruby', @ship.parts[0].trinkets[0].name
end
test "when grandchild changed in memory, saving parent should save grandchild" do
@trinket.name = "changed"
@ship.save
assert_equal "changed", @trinket.reload.name
end
test "when grandchild changed via attributes, saving parent should save grandchild" do
@ship.attributes = {:parts_attributes => [{:id => @part.id, :trinkets_attributes => [{:id => @trinket.id, :name => "changed"}]}]}
@ship.save
assert_equal "changed", @trinket.reload.name
end
test "when grandchild marked_for_destruction via attributes, saving parent should destroy grandchild" do
@ship.attributes = {:parts_attributes => [{:id => @part.id, :trinkets_attributes => [{:id => @trinket.id, :_destroy => true}]}]}
assert_difference('@part.trinkets.count', -1) { @ship.save }
end
test "when grandchild added via attributes, saving parent should create grandchild" do
@ship.attributes = {:parts_attributes => [{:id => @part.id, :trinkets_attributes => [{:name => "created"}]}]}
assert_difference('@part.trinkets.count', 1) { @ship.save }
end
test "when extra records exist for associations, validate (which calls nested_records_changed_for_autosave?) should not load them up" do
@trinket.name = "changed"
Ship.create!(:name => "The Black Rock")
ShipPart.create!(:ship => @ship, :name => "Stern")
assert_no_queries { @ship.valid? }
end
end