list_test.rb
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上传日期:2022-07-22
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- require 'test/unit'
- require 'rubygems'
- gem 'activerecord', '>= 1.15.4.7794'
- require 'active_record'
- require "#{File.dirname(__FILE__)}/../init"
- ActiveRecord::Base.establish_connection(:adapter => "sqlite3", :dbfile => ":memory:")
- def setup_db
- ActiveRecord::Schema.define(:version => 1) do
- create_table :mixins do |t|
- t.column :pos, :integer
- t.column :parent_id, :integer
- t.column :created_at, :datetime
- t.column :updated_at, :datetime
- end
- end
- end
- def teardown_db
- ActiveRecord::Base.connection.tables.each do |table|
- ActiveRecord::Base.connection.drop_table(table)
- end
- end
- class Mixin < ActiveRecord::Base
- end
- class ListMixin < Mixin
- acts_as_list :column => "pos", :scope => :parent
- def self.table_name() "mixins" end
- end
- class ListMixinSub1 < ListMixin
- end
- class ListMixinSub2 < ListMixin
- end
- class ListWithStringScopeMixin < ActiveRecord::Base
- acts_as_list :column => "pos", :scope => 'parent_id = #{parent_id}'
- def self.table_name() "mixins" end
- end
- class ListTest < Test::Unit::TestCase
- def setup
- setup_db
- (1..4).each { |counter| ListMixin.create! :pos => counter, :parent_id => 5 }
- end
- def teardown
- teardown_db
- end
- def test_reordering
- assert_equal [1, 2, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
- ListMixin.find(2).move_lower
- assert_equal [1, 3, 2, 4], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
- ListMixin.find(2).move_higher
- assert_equal [1, 2, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
- ListMixin.find(1).move_to_bottom
- assert_equal [2, 3, 4, 1], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
- ListMixin.find(1).move_to_top
- assert_equal [1, 2, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
- ListMixin.find(2).move_to_bottom
- assert_equal [1, 3, 4, 2], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
- ListMixin.find(4).move_to_top
- assert_equal [4, 1, 3, 2], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
- end
- def test_move_to_bottom_with_next_to_last_item
- assert_equal [1, 2, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
- ListMixin.find(3).move_to_bottom
- assert_equal [1, 2, 4, 3], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
- end
- def test_next_prev
- assert_equal ListMixin.find(2), ListMixin.find(1).lower_item
- assert_nil ListMixin.find(1).higher_item
- assert_equal ListMixin.find(3), ListMixin.find(4).higher_item
- assert_nil ListMixin.find(4).lower_item
- end
- def test_injection
- item = ListMixin.new(:parent_id => 1)
- assert_equal "parent_id = 1", item.scope_condition
- assert_equal "pos", item.position_column
- end
- def test_insert
- new = ListMixin.create(:parent_id => 20)
- assert_equal 1, new.pos
- assert new.first?
- assert new.last?
- new = ListMixin.create(:parent_id => 20)
- assert_equal 2, new.pos
- assert !new.first?
- assert new.last?
- new = ListMixin.create(:parent_id => 20)
- assert_equal 3, new.pos
- assert !new.first?
- assert new.last?
- new = ListMixin.create(:parent_id => 0)
- assert_equal 1, new.pos
- assert new.first?
- assert new.last?
- end
- def test_insert_at
- new = ListMixin.create(:parent_id => 20)
- assert_equal 1, new.pos
- new = ListMixin.create(:parent_id => 20)
- assert_equal 2, new.pos
- new = ListMixin.create(:parent_id => 20)
- assert_equal 3, new.pos
- new4 = ListMixin.create(:parent_id => 20)
- assert_equal 4, new4.pos
- new4.insert_at(3)
- assert_equal 3, new4.pos
- new.reload
- assert_equal 4, new.pos
- new.insert_at(2)
- assert_equal 2, new.pos
- new4.reload
- assert_equal 4, new4.pos
- new5 = ListMixin.create(:parent_id => 20)
- assert_equal 5, new5.pos
- new5.insert_at(1)
- assert_equal 1, new5.pos
- new4.reload
- assert_equal 5, new4.pos
- end
- def test_delete_middle
- assert_equal [1, 2, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
- ListMixin.find(2).destroy
- assert_equal [1, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
- assert_equal 1, ListMixin.find(1).pos
- assert_equal 2, ListMixin.find(3).pos
- assert_equal 3, ListMixin.find(4).pos
- ListMixin.find(1).destroy
- assert_equal [3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
- assert_equal 1, ListMixin.find(3).pos
- assert_equal 2, ListMixin.find(4).pos
- end
- def test_with_string_based_scope
- new = ListWithStringScopeMixin.create(:parent_id => 500)
- assert_equal 1, new.pos
- assert new.first?
- assert new.last?
- end
- def test_nil_scope
- new1, new2, new3 = ListMixin.create, ListMixin.create, ListMixin.create
- new2.move_higher
- assert_equal [new2, new1, new3], ListMixin.find(:all, :conditions => 'parent_id IS NULL', :order => 'pos')
- end
-
-
- def test_remove_from_list_should_then_fail_in_list?
- assert_equal true, ListMixin.find(1).in_list?
- ListMixin.find(1).remove_from_list
- assert_equal false, ListMixin.find(1).in_list?
- end
-
- def test_remove_from_list_should_set_position_to_nil
- assert_equal [1, 2, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
-
- ListMixin.find(2).remove_from_list
-
- assert_equal [2, 1, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
-
- assert_equal 1, ListMixin.find(1).pos
- assert_equal nil, ListMixin.find(2).pos
- assert_equal 2, ListMixin.find(3).pos
- assert_equal 3, ListMixin.find(4).pos
- end
-
- def test_remove_before_destroy_does_not_shift_lower_items_twice
- assert_equal [1, 2, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
-
- ListMixin.find(2).remove_from_list
- ListMixin.find(2).destroy
-
- assert_equal [1, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5', :order => 'pos').map(&:id)
-
- assert_equal 1, ListMixin.find(1).pos
- assert_equal 2, ListMixin.find(3).pos
- assert_equal 3, ListMixin.find(4).pos
- end
-
- end
- class ListSubTest < Test::Unit::TestCase
- def setup
- setup_db
- (1..4).each { |i| ((i % 2 == 1) ? ListMixinSub1 : ListMixinSub2).create! :pos => i, :parent_id => 5000 }
- end
- def teardown
- teardown_db
- end
- def test_reordering
- assert_equal [1, 2, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5000', :order => 'pos').map(&:id)
- ListMixin.find(2).move_lower
- assert_equal [1, 3, 2, 4], ListMixin.find(:all, :conditions => 'parent_id = 5000', :order => 'pos').map(&:id)
- ListMixin.find(2).move_higher
- assert_equal [1, 2, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5000', :order => 'pos').map(&:id)
- ListMixin.find(1).move_to_bottom
- assert_equal [2, 3, 4, 1], ListMixin.find(:all, :conditions => 'parent_id = 5000', :order => 'pos').map(&:id)
- ListMixin.find(1).move_to_top
- assert_equal [1, 2, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5000', :order => 'pos').map(&:id)
- ListMixin.find(2).move_to_bottom
- assert_equal [1, 3, 4, 2], ListMixin.find(:all, :conditions => 'parent_id = 5000', :order => 'pos').map(&:id)
- ListMixin.find(4).move_to_top
- assert_equal [4, 1, 3, 2], ListMixin.find(:all, :conditions => 'parent_id = 5000', :order => 'pos').map(&:id)
- end
- def test_move_to_bottom_with_next_to_last_item
- assert_equal [1, 2, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5000', :order => 'pos').map(&:id)
- ListMixin.find(3).move_to_bottom
- assert_equal [1, 2, 4, 3], ListMixin.find(:all, :conditions => 'parent_id = 5000', :order => 'pos').map(&:id)
- end
- def test_next_prev
- assert_equal ListMixin.find(2), ListMixin.find(1).lower_item
- assert_nil ListMixin.find(1).higher_item
- assert_equal ListMixin.find(3), ListMixin.find(4).higher_item
- assert_nil ListMixin.find(4).lower_item
- end
- def test_injection
- item = ListMixin.new("parent_id"=>1)
- assert_equal "parent_id = 1", item.scope_condition
- assert_equal "pos", item.position_column
- end
- def test_insert_at
- new = ListMixin.create("parent_id" => 20)
- assert_equal 1, new.pos
- new = ListMixinSub1.create("parent_id" => 20)
- assert_equal 2, new.pos
- new = ListMixinSub2.create("parent_id" => 20)
- assert_equal 3, new.pos
- new4 = ListMixin.create("parent_id" => 20)
- assert_equal 4, new4.pos
- new4.insert_at(3)
- assert_equal 3, new4.pos
- new.reload
- assert_equal 4, new.pos
- new.insert_at(2)
- assert_equal 2, new.pos
- new4.reload
- assert_equal 4, new4.pos
- new5 = ListMixinSub1.create("parent_id" => 20)
- assert_equal 5, new5.pos
- new5.insert_at(1)
- assert_equal 1, new5.pos
- new4.reload
- assert_equal 5, new4.pos
- end
- def test_delete_middle
- assert_equal [1, 2, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5000', :order => 'pos').map(&:id)
- ListMixin.find(2).destroy
- assert_equal [1, 3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5000', :order => 'pos').map(&:id)
- assert_equal 1, ListMixin.find(1).pos
- assert_equal 2, ListMixin.find(3).pos
- assert_equal 3, ListMixin.find(4).pos
- ListMixin.find(1).destroy
- assert_equal [3, 4], ListMixin.find(:all, :conditions => 'parent_id = 5000', :order => 'pos').map(&:id)
- assert_equal 1, ListMixin.find(3).pos
- assert_equal 2, ListMixin.find(4).pos
- end
- end