--- /dev/null
+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
projects / selectricity-live / blobdiff