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rails--rails/activerecord/test/cases/nested_attributes_test.rb
2009-05-13 12:00:15 -07:00

526 lines
19 KiB
Ruby

require "cases/helper"
require "models/pirate"
require "models/ship"
require "models/bird"
require "models/parrot"
require "models/treasure"
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_reject_new_nested_attributes_procs
assert_equal Hash.new, ActiveRecord::Base.reject_new_nested_attributes_procs
end
def test_should_add_a_proc_to_reject_new_nested_attributes_procs
[:parrots, :birds, :birds_with_reject_all_blank].each do |name|
assert_instance_of Proc, Pirate.reject_new_nested_attributes_procs[name]
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
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')
assert_no_difference('Ship.count') do
pirate.update_attributes(:ship_attributes => { '_delete' => true })
end
end
def test_a_model_should_respond_to_underscore_delete_and_return_if_it_is_marked_for_destruction
ship = Ship.create!(:name => 'Nights Dirty Lightning')
assert !ship._delete
ship.mark_for_destruction
assert ship._delete
end
end
class TestNestedAttributesOnAHasOneAssociation < ActiveRecord::TestCase
def setup
@pirate = Pirate.create!(:catchphrase => "Don' botharrr talkin' like one, savvy?")
@ship = @pirate.create_ship(:name => 'Nights Dirty Lightning')
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.new_record?
assert_equal 'Davy Jones Gold Dagger', @pirate.ship.name
end
def test_should_not_build_a_new_record_if_there_is_no_id_and_delete_is_truthy
@ship.destroy
@pirate.reload.ship_attributes = { :name => 'Davy Jones Gold Dagger', :_delete => '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.new_record?
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_delete_is_truthy
@pirate.reload.ship_attributes = { :name => 'Davy Jones Gold Dagger', :_delete => '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_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_delete_an_existing_record_if_there_is_a_matching_id_and_delete_is_truthy
@pirate.ship.destroy
[1, '1', true, 'true'].each do |truth|
@pirate.reload.create_ship(:name => 'Mister Pablo')
assert_difference('Ship.count', -1) do
@pirate.update_attribute(:ship_attributes, { :id => @pirate.ship.id, :_delete => truth })
end
end
end
def test_should_not_delete_an_existing_record_if_delete_is_not_truthy
[nil, '0', 0, 'false', false].each do |not_truth|
assert_no_difference('Ship.count') do
@pirate.update_attribute(:ship_attributes, { :id => @pirate.ship.id, :_delete => not_truth })
end
end
end
def test_should_not_delete_an_existing_record_if_allow_destroy_is_false
Pirate.accepts_nested_attributes_for :ship, :allow_destroy => false, :reject_if => proc { |attributes| attributes.empty? }
assert_no_difference('Ship.count') do
@pirate.update_attribute(:ship_attributes, { :id => @pirate.ship.id, :_delete => '1' })
end
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.new_record?
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
assert_no_difference('Ship.count') do
@pirate.attributes = { :ship_attributes => { :id => @ship.id, :_delete => '1' } }
end
assert_difference('Ship.count', -1) do
@pirate.save
end
end
def test_should_automatically_enable_autosave_on_the_association
assert Pirate.reflect_on_association(:ship).options[:autosave]
end
end
class TestNestedAttributesOnABelongsToAssociation < ActiveRecord::TestCase
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.new_record?
assert_equal 'Arr', @ship.pirate.catchphrase
end
def test_should_not_build_a_new_record_if_there_is_no_id_and_delete_is_truthy
@pirate.destroy
@ship.reload.pirate_attributes = { :catchphrase => 'Arr', :_delete => '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.new_record?
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_delete_is_truthy
@ship.reload.pirate_attributes = { :catchphrase => 'Arr', :_delete => '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_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_delete_an_existing_record_if_there_is_a_matching_id_and_delete_is_truthy
@ship.pirate.destroy
[1, '1', true, 'true'].each do |truth|
@ship.reload.create_pirate(:catchphrase => 'Arr')
assert_difference('Pirate.count', -1) do
@ship.update_attribute(:pirate_attributes, { :id => @ship.pirate.id, :_delete => truth })
end
end
end
def test_should_not_delete_an_existing_record_if_delete_is_not_truthy
[nil, '0', 0, 'false', false].each do |not_truth|
assert_no_difference('Pirate.count') do
@ship.update_attribute(:pirate_attributes, { :id => @ship.pirate.id, :_delete => not_truth })
end
end
end
def test_should_not_delete_an_existing_record_if_allow_destroy_is_false
Ship.accepts_nested_attributes_for :pirate, :allow_destroy => false, :reject_if => proc { |attributes| attributes.empty? }
assert_no_difference('Pirate.count') do
@ship.update_attribute(:pirate_attributes, { :id => @ship.pirate.id, :_delete => '1' })
end
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
assert_no_difference('Pirate.count') do
@ship.attributes = { :pirate_attributes => { :id => @ship.pirate.id, '_delete' => true } }
end
assert_difference('Pirate.count', -1) { @ship.save }
end
def test_should_automatically_enable_autosave_on_the_association
assert Ship.reflect_on_association(:pirate).options[:autosave]
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_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_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_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.new_record?
assert_equal 'Grace OMalley', @pirate.send(@association_name).first.name
assert @pirate.send(@association_name).last.new_record?
assert_equal 'Privateers Greed', @pirate.send(@association_name).last.name
end
def test_should_not_assign_delete_key_to_a_record
assert_nothing_raised ActiveRecord::UnknownAttributeError do
@pirate.send(association_setter, { 'foo' => { '_delete' => '0' }})
end
end
def test_should_ignore_new_associated_records_with_truthy_delete_attribute
@pirate.send(@association_name).destroy_all
@pirate.reload.attributes = {
association_getter => {
'foo' => { :name => 'Grace OMalley' },
'bar' => { :name => 'Privateers Greed', '_delete' => '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).length") 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, '_delete' => 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']['_delete'] = 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, '_delete' => 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
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