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