Chris@1115: require 'spec_helper'
Chris@1115: 
Chris@1115: describe "AwesomeNestedSet" do
Chris@1115:   before(:all) do
Chris@1115:     self.class.fixtures :categories, :departments, :notes, :things, :brokens
Chris@1115:   end
Chris@1115: 
Chris@1115:   describe "defaults" do
Chris@1115:     it "should have left_column_default" do
Chris@1115:       Default.acts_as_nested_set_options[:left_column].should == 'lft'
Chris@1115:     end
Chris@1115: 
Chris@1115:     it "should have right_column_default" do
Chris@1115:       Default.acts_as_nested_set_options[:right_column].should == 'rgt'
Chris@1115:     end
Chris@1115: 
Chris@1115:     it "should have parent_column_default" do
Chris@1115:       Default.acts_as_nested_set_options[:parent_column].should == 'parent_id'
Chris@1115:     end
Chris@1115: 
Chris@1115:     it "should have scope_default" do
Chris@1115:       Default.acts_as_nested_set_options[:scope].should be_nil
Chris@1115:     end
Chris@1115: 
Chris@1115:     it "should have left_column_name" do
Chris@1115:       Default.left_column_name.should == 'lft'
Chris@1115:       Default.new.left_column_name.should == 'lft'
Chris@1115:       RenamedColumns.left_column_name.should == 'red'
Chris@1115:       RenamedColumns.new.left_column_name.should == 'red'
Chris@1115:     end
Chris@1115: 
Chris@1115:     it "should have right_column_name" do
Chris@1115:       Default.right_column_name.should == 'rgt'
Chris@1115:       Default.new.right_column_name.should == 'rgt'
Chris@1115:       RenamedColumns.right_column_name.should == 'black'
Chris@1115:       RenamedColumns.new.right_column_name.should == 'black'
Chris@1115:     end
Chris@1115: 
Chris@1115:     it "should have parent_column_name" do
Chris@1115:       Default.parent_column_name.should == 'parent_id'
Chris@1115:       Default.new.parent_column_name.should == 'parent_id'
Chris@1115:       RenamedColumns.parent_column_name.should == 'mother_id'
Chris@1115:       RenamedColumns.new.parent_column_name.should == 'mother_id'
Chris@1115:     end
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "creation_with_altered_column_names" do
Chris@1115:     lambda {
Chris@1115:       RenamedColumns.create!()
Chris@1115:     }.should_not raise_exception
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "creation when existing record has nil left column" do
Chris@1115:     assert_nothing_raised do
Chris@1115:       Broken.create!
Chris@1115:     end
Chris@1115:   end
Chris@1115:   
Chris@1115:   it "quoted_left_column_name" do
Chris@1115:     quoted = Default.connection.quote_column_name('lft')
Chris@1115:     Default.quoted_left_column_name.should == quoted
Chris@1115:     Default.new.quoted_left_column_name.should == quoted
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "quoted_right_column_name" do
Chris@1115:     quoted = Default.connection.quote_column_name('rgt')
Chris@1115:     Default.quoted_right_column_name.should == quoted
Chris@1115:     Default.new.quoted_right_column_name.should == quoted
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "left_column_protected_from_assignment" do
Chris@1115:     lambda {
Chris@1115:       Category.new.lft = 1
Chris@1115:     }.should raise_exception(ActiveRecord::ActiveRecordError)
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "right_column_protected_from_assignment" do
Chris@1115:     lambda {
Chris@1115:       Category.new.rgt = 1
Chris@1115:     }.should raise_exception(ActiveRecord::ActiveRecordError)
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "scoped_appends_id" do
Chris@1115:     ScopedCategory.acts_as_nested_set_options[:scope].should == :organization_id
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "roots_class_method" do
Chris@1115:     Category.roots.should == Category.find_all_by_parent_id(nil)
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "root_class_method" do
Chris@1115:     Category.root.should == categories(:top_level)
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "root" do
Chris@1115:     categories(:child_3).root.should == categories(:top_level)
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "root?" do
Chris@1115:     categories(:top_level).root?.should be_true
Chris@1115:     categories(:top_level_2).root?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "leaves_class_method" do
Chris@1115:     Category.find(:all, :conditions => "#{Category.right_column_name} - #{Category.left_column_name} = 1").should == Category.leaves
Chris@1115:     Category.leaves.count.should == 4
Chris@1115:     Category.leaves.should include(categories(:child_1))
Chris@1115:     Category.leaves.should include(categories(:child_2_1))
Chris@1115:     Category.leaves.should include(categories(:child_3))
Chris@1115:     Category.leaves.should include(categories(:top_level_2))
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "leaf" do
Chris@1115:     categories(:child_1).leaf?.should be_true
Chris@1115:     categories(:child_2_1).leaf?.should be_true
Chris@1115:     categories(:child_3).leaf?.should be_true
Chris@1115:     categories(:top_level_2).leaf?.should be_true
Chris@1115: 
Chris@1115:     categories(:top_level).leaf?.should be_false
Chris@1115:     categories(:child_2).leaf?.should be_false
Chris@1115:     Category.new.leaf?.should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115: 
Chris@1115:   it "parent" do
Chris@1115:     categories(:child_2_1).parent.should == categories(:child_2)
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "self_and_ancestors" do
Chris@1115:     child = categories(:child_2_1)
Chris@1115:     self_and_ancestors = [categories(:top_level), categories(:child_2), child]
Chris@1115:     self_and_ancestors.should == child.self_and_ancestors
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "ancestors" do
Chris@1115:     child = categories(:child_2_1)
Chris@1115:     ancestors = [categories(:top_level), categories(:child_2)]
Chris@1115:     ancestors.should == child.ancestors
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "self_and_siblings" do
Chris@1115:     child = categories(:child_2)
Chris@1115:     self_and_siblings = [categories(:child_1), child, categories(:child_3)]
Chris@1115:     self_and_siblings.should == child.self_and_siblings
Chris@1115:     lambda do
Chris@1115:       tops = [categories(:top_level), categories(:top_level_2)]
Chris@1115:       assert_equal tops, categories(:top_level).self_and_siblings
Chris@1115:     end.should_not raise_exception
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "siblings" do
Chris@1115:     child = categories(:child_2)
Chris@1115:     siblings = [categories(:child_1), categories(:child_3)]
Chris@1115:     siblings.should == child.siblings
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "leaves" do
Chris@1115:     leaves = [categories(:child_1), categories(:child_2_1), categories(:child_3)]
Chris@1115:     categories(:top_level).leaves.should == leaves
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "level" do
Chris@1115:     categories(:top_level).level.should == 0
Chris@1115:     categories(:child_1).level.should == 1
Chris@1115:     categories(:child_2_1).level.should == 2
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "has_children?" do
Chris@1115:     categories(:child_2_1).children.empty?.should be_true
Chris@1115:     categories(:child_2).children.empty?.should be_false
Chris@1115:     categories(:top_level).children.empty?.should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "self_and_descendents" do
Chris@1115:     parent = categories(:top_level)
Chris@1115:     self_and_descendants = [parent, categories(:child_1), categories(:child_2),
Chris@1115:       categories(:child_2_1), categories(:child_3)]
Chris@1115:     self_and_descendants.should == parent.self_and_descendants
Chris@1115:     self_and_descendants.count.should == parent.self_and_descendants.count
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "descendents" do
Chris@1115:     lawyers = Category.create!(:name => "lawyers")
Chris@1115:     us = Category.create!(:name => "United States")
Chris@1115:     us.move_to_child_of(lawyers)
Chris@1115:     patent = Category.create!(:name => "Patent Law")
Chris@1115:     patent.move_to_child_of(us)
Chris@1115:     lawyers.reload
Chris@1115: 
Chris@1115:     lawyers.children.size.should == 1
Chris@1115:     us.children.size.should == 1
Chris@1115:     lawyers.descendants.size.should == 2
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "self_and_descendents" do
Chris@1115:     parent = categories(:top_level)
Chris@1115:     descendants = [categories(:child_1), categories(:child_2),
Chris@1115:       categories(:child_2_1), categories(:child_3)]
Chris@1115:     descendants.should == parent.descendants
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "children" do
Chris@1115:     category = categories(:top_level)
Chris@1115:     category.children.each {|c| category.id.should == c.parent_id }
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "order_of_children" do
Chris@1115:     categories(:child_2).move_left
Chris@1115:     categories(:child_2).should == categories(:top_level).children[0]
Chris@1115:     categories(:child_1).should == categories(:top_level).children[1]
Chris@1115:     categories(:child_3).should == categories(:top_level).children[2]
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "is_or_is_ancestor_of?" do
Chris@1115:     categories(:top_level).is_or_is_ancestor_of?(categories(:child_1)).should be_true
Chris@1115:     categories(:top_level).is_or_is_ancestor_of?(categories(:child_2_1)).should be_true
Chris@1115:     categories(:child_2).is_or_is_ancestor_of?(categories(:child_2_1)).should be_true
Chris@1115:     categories(:child_2_1).is_or_is_ancestor_of?(categories(:child_2)).should be_false
Chris@1115:     categories(:child_1).is_or_is_ancestor_of?(categories(:child_2)).should be_false
Chris@1115:     categories(:child_1).is_or_is_ancestor_of?(categories(:child_1)).should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "is_ancestor_of?" do
Chris@1115:     categories(:top_level).is_ancestor_of?(categories(:child_1)).should be_true
Chris@1115:     categories(:top_level).is_ancestor_of?(categories(:child_2_1)).should be_true
Chris@1115:     categories(:child_2).is_ancestor_of?(categories(:child_2_1)).should be_true
Chris@1115:     categories(:child_2_1).is_ancestor_of?(categories(:child_2)).should be_false
Chris@1115:     categories(:child_1).is_ancestor_of?(categories(:child_2)).should be_false
Chris@1115:     categories(:child_1).is_ancestor_of?(categories(:child_1)).should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "is_or_is_ancestor_of_with_scope" do
Chris@1115:     root = ScopedCategory.root
Chris@1115:     child = root.children.first
Chris@1115:     root.is_or_is_ancestor_of?(child).should be_true
Chris@1115:     child.update_attribute :organization_id, 'different'
Chris@1115:     root.is_or_is_ancestor_of?(child).should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "is_or_is_descendant_of?" do
Chris@1115:     categories(:child_1).is_or_is_descendant_of?(categories(:top_level)).should be_true
Chris@1115:     categories(:child_2_1).is_or_is_descendant_of?(categories(:top_level)).should be_true
Chris@1115:     categories(:child_2_1).is_or_is_descendant_of?(categories(:child_2)).should be_true
Chris@1115:     categories(:child_2).is_or_is_descendant_of?(categories(:child_2_1)).should be_false
Chris@1115:     categories(:child_2).is_or_is_descendant_of?(categories(:child_1)).should be_false
Chris@1115:     categories(:child_1).is_or_is_descendant_of?(categories(:child_1)).should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "is_descendant_of?" do
Chris@1115:     categories(:child_1).is_descendant_of?(categories(:top_level)).should be_true
Chris@1115:     categories(:child_2_1).is_descendant_of?(categories(:top_level)).should be_true
Chris@1115:     categories(:child_2_1).is_descendant_of?(categories(:child_2)).should be_true
Chris@1115:     categories(:child_2).is_descendant_of?(categories(:child_2_1)).should be_false
Chris@1115:     categories(:child_2).is_descendant_of?(categories(:child_1)).should be_false
Chris@1115:     categories(:child_1).is_descendant_of?(categories(:child_1)).should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "is_or_is_descendant_of_with_scope" do
Chris@1115:     root = ScopedCategory.root
Chris@1115:     child = root.children.first
Chris@1115:     child.is_or_is_descendant_of?(root).should be_true
Chris@1115:     child.update_attribute :organization_id, 'different'
Chris@1115:     child.is_or_is_descendant_of?(root).should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "same_scope?" do
Chris@1115:     root = ScopedCategory.root
Chris@1115:     child = root.children.first
Chris@1115:     child.same_scope?(root).should be_true
Chris@1115:     child.update_attribute :organization_id, 'different'
Chris@1115:     child.same_scope?(root).should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "left_sibling" do
Chris@1115:     categories(:child_1).should == categories(:child_2).left_sibling
Chris@1115:     categories(:child_2).should == categories(:child_3).left_sibling
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "left_sibling_of_root" do
Chris@1115:     categories(:top_level).left_sibling.should be_nil
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "left_sibling_without_siblings" do
Chris@1115:     categories(:child_2_1).left_sibling.should be_nil
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "left_sibling_of_leftmost_node" do
Chris@1115:     categories(:child_1).left_sibling.should be_nil
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "right_sibling" do
Chris@1115:     categories(:child_3).should == categories(:child_2).right_sibling
Chris@1115:     categories(:child_2).should == categories(:child_1).right_sibling
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "right_sibling_of_root" do
Chris@1115:     categories(:top_level_2).should == categories(:top_level).right_sibling
Chris@1115:     categories(:top_level_2).right_sibling.should be_nil
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "right_sibling_without_siblings" do
Chris@1115:     categories(:child_2_1).right_sibling.should be_nil
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "right_sibling_of_rightmost_node" do
Chris@1115:     categories(:child_3).right_sibling.should be_nil
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "move_left" do
Chris@1115:     categories(:child_2).move_left
Chris@1115:     categories(:child_2).left_sibling.should be_nil
Chris@1115:     categories(:child_1).should == categories(:child_2).right_sibling
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "move_right" do
Chris@1115:     categories(:child_2).move_right
Chris@1115:     categories(:child_2).right_sibling.should be_nil
Chris@1115:     categories(:child_3).should == categories(:child_2).left_sibling
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "move_to_left_of" do
Chris@1115:     categories(:child_3).move_to_left_of(categories(:child_1))
Chris@1115:     categories(:child_3).left_sibling.should be_nil
Chris@1115:     categories(:child_1).should == categories(:child_3).right_sibling
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "move_to_right_of" do
Chris@1115:     categories(:child_1).move_to_right_of(categories(:child_3))
Chris@1115:     categories(:child_1).right_sibling.should be_nil
Chris@1115:     categories(:child_3).should == categories(:child_1).left_sibling
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "move_to_root" do
Chris@1115:     categories(:child_2).move_to_root
Chris@1115:     categories(:child_2).parent.should be_nil
Chris@1115:     categories(:child_2).level.should == 0
Chris@1115:     categories(:child_2_1).level.should == 1
Chris@1115:     categories(:child_2).left.should == 1
Chris@1115:     categories(:child_2).right.should == 4
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "move_to_child_of" do
Chris@1115:     categories(:child_1).move_to_child_of(categories(:child_3))
Chris@1115:     categories(:child_3).id.should == categories(:child_1).parent_id
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "move_to_child_of_appends_to_end" do
Chris@1115:     child = Category.create! :name => 'New Child'
Chris@1115:     child.move_to_child_of categories(:top_level)
Chris@1115:     child.should == categories(:top_level).children.last
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "subtree_move_to_child_of" do
Chris@1115:     categories(:child_2).left.should == 4
Chris@1115:     categories(:child_2).right.should == 7
Chris@1115: 
Chris@1115:     categories(:child_1).left.should == 2
Chris@1115:     categories(:child_1).right.should == 3
Chris@1115: 
Chris@1115:     categories(:child_2).move_to_child_of(categories(:child_1))
Chris@1115:     Category.valid?.should be_true
Chris@1115:     categories(:child_1).id.should == categories(:child_2).parent_id
Chris@1115: 
Chris@1115:     categories(:child_2).left.should == 3
Chris@1115:     categories(:child_2).right.should == 6
Chris@1115:     categories(:child_1).left.should == 2
Chris@1115:     categories(:child_1).right.should == 7
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "slightly_difficult_move_to_child_of" do
Chris@1115:     categories(:top_level_2).left.should == 11
Chris@1115:     categories(:top_level_2).right.should == 12
Chris@1115: 
Chris@1115:     # create a new top-level node and move single-node top-level tree inside it.
Chris@1115:     new_top = Category.create(:name => 'New Top')
Chris@1115:     new_top.left.should == 13
Chris@1115:     new_top.right.should == 14
Chris@1115: 
Chris@1115:     categories(:top_level_2).move_to_child_of(new_top)
Chris@1115: 
Chris@1115:     Category.valid?.should be_true
Chris@1115:     new_top.id.should == categories(:top_level_2).parent_id
Chris@1115: 
Chris@1115:     categories(:top_level_2).left.should == 12
Chris@1115:     categories(:top_level_2).right.should == 13
Chris@1115:     new_top.left.should == 11
Chris@1115:     new_top.right.should == 14
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "difficult_move_to_child_of" do
Chris@1115:     categories(:top_level).left.should == 1
Chris@1115:     categories(:top_level).right.should == 10
Chris@1115:     categories(:child_2_1).left.should == 5
Chris@1115:     categories(:child_2_1).right.should == 6
Chris@1115: 
Chris@1115:     # create a new top-level node and move an entire top-level tree inside it.
Chris@1115:     new_top = Category.create(:name => 'New Top')
Chris@1115:     categories(:top_level).move_to_child_of(new_top)
Chris@1115:     categories(:child_2_1).reload
Chris@1115:     Category.valid?.should be_true
Chris@1115:     new_top.id.should == categories(:top_level).parent_id
Chris@1115: 
Chris@1115:     categories(:top_level).left.should == 4
Chris@1115:     categories(:top_level).right.should == 13
Chris@1115:     categories(:child_2_1).left.should == 8
Chris@1115:     categories(:child_2_1).right.should == 9
Chris@1115:   end
Chris@1115: 
Chris@1115:   #rebuild swaps the position of the 2 children when added using move_to_child twice onto same parent
Chris@1115:   it "move_to_child_more_than_once_per_parent_rebuild" do
Chris@1115:     root1 = Category.create(:name => 'Root1')
Chris@1115:     root2 = Category.create(:name => 'Root2')
Chris@1115:     root3 = Category.create(:name => 'Root3')
Chris@1115: 
Chris@1115:     root2.move_to_child_of root1
Chris@1115:     root3.move_to_child_of root1
Chris@1115: 
Chris@1115:     output = Category.roots.last.to_text
Chris@1115:     Category.update_all('lft = null, rgt = null')
Chris@1115:     Category.rebuild!
Chris@1115: 
Chris@1115:     Category.roots.last.to_text.should == output
Chris@1115:   end
Chris@1115: 
Chris@1115:   # doing move_to_child twice onto same parent from the furthest right first
Chris@1115:   it "move_to_child_more_than_once_per_parent_outside_in" do
Chris@1115:     node1 = Category.create(:name => 'Node-1')
Chris@1115:     node2 = Category.create(:name => 'Node-2')
Chris@1115:     node3 = Category.create(:name => 'Node-3')
Chris@1115: 
Chris@1115:     node2.move_to_child_of node1
Chris@1115:     node3.move_to_child_of node1
Chris@1115: 
Chris@1115:     output = Category.roots.last.to_text
Chris@1115:     Category.update_all('lft = null, rgt = null')
Chris@1115:     Category.rebuild!
Chris@1115: 
Chris@1115:     Category.roots.last.to_text.should == output
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "should be able to rebuild without validating each record" do
Chris@1115:     root1 = Category.create(:name => 'Root1')
Chris@1115:     root2 = Category.create(:name => 'Root2')
Chris@1115:     root3 = Category.create(:name => 'Root3')
Chris@1115: 
Chris@1115:     root2.move_to_child_of root1
Chris@1115:     root3.move_to_child_of root1
Chris@1115: 
Chris@1115:     root2.name = nil
Chris@1115:     root2.save!(:validate => false)
Chris@1115: 
Chris@1115:     output = Category.roots.last.to_text
Chris@1115:     Category.update_all('lft = null, rgt = null')
Chris@1115:     Category.rebuild!(false)
Chris@1115: 
Chris@1115:     Category.roots.last.to_text.should == output
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "valid_with_null_lefts" do
Chris@1115:     Category.valid?.should be_true
Chris@1115:     Category.update_all('lft = null')
Chris@1115:     Category.valid?.should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "valid_with_null_rights" do
Chris@1115:     Category.valid?.should be_true
Chris@1115:     Category.update_all('rgt = null')
Chris@1115:     Category.valid?.should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "valid_with_missing_intermediate_node" do
Chris@1115:     # Even though child_2_1 will still exist, it is a sign of a sloppy delete, not an invalid tree.
Chris@1115:     Category.valid?.should be_true
Chris@1115:     Category.delete(categories(:child_2).id)
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "valid_with_overlapping_and_rights" do
Chris@1115:     Category.valid?.should be_true
Chris@1115:     categories(:top_level_2)['lft'] = 0
Chris@1115:     categories(:top_level_2).save
Chris@1115:     Category.valid?.should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "rebuild" do
Chris@1115:     Category.valid?.should be_true
Chris@1115:     before_text = Category.root.to_text
Chris@1115:     Category.update_all('lft = null, rgt = null')
Chris@1115:     Category.rebuild!
Chris@1115:     Category.valid?.should be_true
Chris@1115:     before_text.should == Category.root.to_text
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "move_possible_for_sibling" do
Chris@1115:     categories(:child_2).move_possible?(categories(:child_1)).should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "move_not_possible_to_self" do
Chris@1115:     categories(:top_level).move_possible?(categories(:top_level)).should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "move_not_possible_to_parent" do
Chris@1115:     categories(:top_level).descendants.each do |descendant|
Chris@1115:       categories(:top_level).move_possible?(descendant).should be_false
Chris@1115:       descendant.move_possible?(categories(:top_level)).should be_true
Chris@1115:     end
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "is_or_is_ancestor_of?" do
Chris@1115:     [:child_1, :child_2, :child_2_1, :child_3].each do |c|
Chris@1115:       categories(:top_level).is_or_is_ancestor_of?(categories(c)).should be_true
Chris@1115:     end
Chris@1115:     categories(:top_level).is_or_is_ancestor_of?(categories(:top_level_2)).should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "left_and_rights_valid_with_blank_left" do
Chris@1115:     Category.left_and_rights_valid?.should be_true
Chris@1115:     categories(:child_2)[:lft] = nil
Chris@1115:     categories(:child_2).save(:validate => false)
Chris@1115:     Category.left_and_rights_valid?.should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "left_and_rights_valid_with_blank_right" do
Chris@1115:     Category.left_and_rights_valid?.should be_true
Chris@1115:     categories(:child_2)[:rgt] = nil
Chris@1115:     categories(:child_2).save(:validate => false)
Chris@1115:     Category.left_and_rights_valid?.should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "left_and_rights_valid_with_equal" do
Chris@1115:     Category.left_and_rights_valid?.should be_true
Chris@1115:     categories(:top_level_2)[:lft] = categories(:top_level_2)[:rgt]
Chris@1115:     categories(:top_level_2).save(:validate => false)
Chris@1115:     Category.left_and_rights_valid?.should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "left_and_rights_valid_with_left_equal_to_parent" do
Chris@1115:     Category.left_and_rights_valid?.should be_true
Chris@1115:     categories(:child_2)[:lft] = categories(:top_level)[:lft]
Chris@1115:     categories(:child_2).save(:validate => false)
Chris@1115:     Category.left_and_rights_valid?.should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "left_and_rights_valid_with_right_equal_to_parent" do
Chris@1115:     Category.left_and_rights_valid?.should be_true
Chris@1115:     categories(:child_2)[:rgt] = categories(:top_level)[:rgt]
Chris@1115:     categories(:child_2).save(:validate => false)
Chris@1115:     Category.left_and_rights_valid?.should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "moving_dirty_objects_doesnt_invalidate_tree" do
Chris@1115:     r1 = Category.create :name => "Test 1"
Chris@1115:     r2 = Category.create :name => "Test 2"
Chris@1115:     r3 = Category.create :name => "Test 3"
Chris@1115:     r4 = Category.create :name => "Test 4"
Chris@1115:     nodes = [r1, r2, r3, r4]
Chris@1115: 
Chris@1115:     r2.move_to_child_of(r1)
Chris@1115:     Category.valid?.should be_true
Chris@1115: 
Chris@1115:     r3.move_to_child_of(r1)
Chris@1115:     Category.valid?.should be_true
Chris@1115: 
Chris@1115:     r4.move_to_child_of(r2)
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "multi_scoped_no_duplicates_for_columns?" do
Chris@1115:     lambda {
Chris@1115:       Note.no_duplicates_for_columns?
Chris@1115:     }.should_not raise_exception
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "multi_scoped_all_roots_valid?" do
Chris@1115:     lambda {
Chris@1115:       Note.all_roots_valid?
Chris@1115:     }.should_not raise_exception
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "multi_scoped" do
Chris@1115:     note1 = Note.create!(:body => "A", :notable_id => 2, :notable_type => 'Category')
Chris@1115:     note2 = Note.create!(:body => "B", :notable_id => 2, :notable_type => 'Category')
Chris@1115:     note3 = Note.create!(:body => "C", :notable_id => 2, :notable_type => 'Default')
Chris@1115: 
Chris@1115:     [note1, note2].should == note1.self_and_siblings
Chris@1115:     [note3].should == note3.self_and_siblings
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "multi_scoped_rebuild" do
Chris@1115:     root = Note.create!(:body => "A", :notable_id => 3, :notable_type => 'Category')
Chris@1115:     child1 = Note.create!(:body => "B", :notable_id => 3, :notable_type => 'Category')
Chris@1115:     child2 = Note.create!(:body => "C", :notable_id => 3, :notable_type => 'Category')
Chris@1115: 
Chris@1115:     child1.move_to_child_of root
Chris@1115:     child2.move_to_child_of root
Chris@1115: 
Chris@1115:     Note.update_all('lft = null, rgt = null')
Chris@1115:     Note.rebuild!
Chris@1115: 
Chris@1115:     Note.roots.find_by_body('A').should == root
Chris@1115:     [child1, child2].should == Note.roots.find_by_body('A').children
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "same_scope_with_multi_scopes" do
Chris@1115:     lambda {
Chris@1115:       notes(:scope1).same_scope?(notes(:child_1))
Chris@1115:     }.should_not raise_exception
Chris@1115:     notes(:scope1).same_scope?(notes(:child_1)).should be_true
Chris@1115:     notes(:child_1).same_scope?(notes(:scope1)).should be_true
Chris@1115:     notes(:scope1).same_scope?(notes(:scope2)).should be_false
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "quoting_of_multi_scope_column_names" do
Chris@1115:     ["\"notable_id\"", "\"notable_type\""].should == Note.quoted_scope_column_names
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "equal_in_same_scope" do
Chris@1115:     notes(:scope1).should == notes(:scope1)
Chris@1115:     notes(:scope1).should_not == notes(:child_1)
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "equal_in_different_scopes" do
Chris@1115:     notes(:scope1).should_not == notes(:scope2)
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "delete_does_not_invalidate" do
Chris@1115:     Category.acts_as_nested_set_options[:dependent] = :delete
Chris@1115:     categories(:child_2).destroy
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "destroy_does_not_invalidate" do
Chris@1115:     Category.acts_as_nested_set_options[:dependent] = :destroy
Chris@1115:     categories(:child_2).destroy
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "destroy_multiple_times_does_not_invalidate" do
Chris@1115:     Category.acts_as_nested_set_options[:dependent] = :destroy
Chris@1115:     categories(:child_2).destroy
Chris@1115:     categories(:child_2).destroy
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "assigning_parent_id_on_create" do
Chris@1115:     category = Category.create!(:name => "Child", :parent_id => categories(:child_2).id)
Chris@1115:     categories(:child_2).should == category.parent
Chris@1115:     categories(:child_2).id.should == category.parent_id
Chris@1115:     category.left.should_not be_nil
Chris@1115:     category.right.should_not be_nil
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "assigning_parent_on_create" do
Chris@1115:     category = Category.create!(:name => "Child", :parent => categories(:child_2))
Chris@1115:     categories(:child_2).should == category.parent
Chris@1115:     categories(:child_2).id.should == category.parent_id
Chris@1115:     category.left.should_not be_nil
Chris@1115:     category.right.should_not be_nil
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "assigning_parent_id_to_nil_on_create" do
Chris@1115:     category = Category.create!(:name => "New Root", :parent_id => nil)
Chris@1115:     category.parent.should be_nil
Chris@1115:     category.parent_id.should be_nil
Chris@1115:     category.left.should_not be_nil
Chris@1115:     category.right.should_not be_nil
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "assigning_parent_id_on_update" do
Chris@1115:     category = categories(:child_2_1)
Chris@1115:     category.parent_id = categories(:child_3).id
Chris@1115:     category.save
Chris@1115:     category.reload
Chris@1115:     categories(:child_3).reload
Chris@1115:     categories(:child_3).should == category.parent
Chris@1115:     categories(:child_3).id.should == category.parent_id
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "assigning_parent_on_update" do
Chris@1115:     category = categories(:child_2_1)
Chris@1115:     category.parent = categories(:child_3)
Chris@1115:     category.save
Chris@1115:     category.reload
Chris@1115:     categories(:child_3).reload
Chris@1115:     categories(:child_3).should == category.parent
Chris@1115:     categories(:child_3).id.should ==  category.parent_id
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "assigning_parent_id_to_nil_on_update" do
Chris@1115:     category = categories(:child_2_1)
Chris@1115:     category.parent_id = nil
Chris@1115:     category.save
Chris@1115:     category.parent.should be_nil
Chris@1115:     category.parent_id.should be_nil
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "creating_child_from_parent" do
Chris@1115:     category = categories(:child_2).children.create!(:name => "Child")
Chris@1115:     categories(:child_2).should == category.parent
Chris@1115:     categories(:child_2).id.should == category.parent_id
Chris@1115:     category.left.should_not be_nil
Chris@1115:     category.right.should_not be_nil
Chris@1115:     Category.valid?.should be_true
Chris@1115:   end
Chris@1115: 
Chris@1115:   def check_structure(entries, structure)
Chris@1115:     structure = structure.dup
Chris@1115:     Category.each_with_level(entries) do |category, level|
Chris@1115:       expected_level, expected_name = structure.shift
Chris@1115:       expected_name.should == category.name
Chris@1115:       expected_level.should == level
Chris@1115:     end
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "each_with_level" do
Chris@1115:     levels = [
Chris@1115:       [0, "Top Level"],
Chris@1115:       [1, "Child 1"],
Chris@1115:       [1, "Child 2"],
Chris@1115:       [2, "Child 2.1"],
Chris@1115:       [1, "Child 3" ]]
Chris@1115: 
Chris@1115:     check_structure(Category.root.self_and_descendants, levels)
Chris@1115: 
Chris@1115:     # test some deeper structures
Chris@1115:     category = Category.find_by_name("Child 1")
Chris@1115:     c1 = Category.new(:name => "Child 1.1")
Chris@1115:     c2 = Category.new(:name => "Child 1.1.1")
Chris@1115:     c3 = Category.new(:name => "Child 1.1.1.1")
Chris@1115:     c4 = Category.new(:name => "Child 1.2")
Chris@1115:     [c1, c2, c3, c4].each(&:save!)
Chris@1115: 
Chris@1115:     c1.move_to_child_of(category)
Chris@1115:     c2.move_to_child_of(c1)
Chris@1115:     c3.move_to_child_of(c2)
Chris@1115:     c4.move_to_child_of(category)
Chris@1115: 
Chris@1115:     levels = [
Chris@1115:       [0, "Top Level"],
Chris@1115:       [1, "Child 1"],
Chris@1115:       [2, "Child 1.1"],
Chris@1115:       [3, "Child 1.1.1"],
Chris@1115:       [4, "Child 1.1.1.1"],
Chris@1115:       [2, "Child 1.2"],
Chris@1115:       [1, "Child 2"],
Chris@1115:       [2, "Child 2.1"],
Chris@1115:       [1, "Child 3" ]]
Chris@1115: 
Chris@1115:       check_structure(Category.root.self_and_descendants, levels)
Chris@1115:   end
Chris@1115: 
Chris@1115:   it "should not error on a model with attr_accessible" do
Chris@1115:     model = Class.new(ActiveRecord::Base)
Chris@1115:     model.table_name = 'categories'
Chris@1115:     model.attr_accessible :name
Chris@1115:     lambda {
Chris@1115:       model.acts_as_nested_set
Chris@1115:       model.new(:name => 'foo')
Chris@1115:     }.should_not raise_exception
Chris@1115:   end
Chris@1115: 
Chris@1115:   describe "before_move_callback" do
Chris@1115:     it "should fire the callback" do
Chris@1115:       categories(:child_2).should_receive(:custom_before_move)
Chris@1115:       categories(:child_2).move_to_root
Chris@1115:     end
Chris@1115: 
Chris@1115:     it "should stop move when callback returns false" do
Chris@1115:       Category.test_allows_move = false
Chris@1115:       categories(:child_3).move_to_root.should be_false
Chris@1115:       categories(:child_3).root?.should be_false
Chris@1115:     end
Chris@1115: 
Chris@1115:     it "should not halt save actions" do
Chris@1115:       Category.test_allows_move = false
Chris@1115:       categories(:child_3).parent_id = nil
Chris@1115:       categories(:child_3).save.should be_true
Chris@1115:     end
Chris@1115:   end
Chris@1115: 
Chris@1115:   describe "counter_cache" do
Chris@1115: 
Chris@1115:     it "should allow use of a counter cache for children" do
Chris@1115:       note1 = things(:parent1)
Chris@1115:       note1.children.count.should == 2
Chris@1115:     end
Chris@1115: 
Chris@1115:     it "should increment the counter cache on create" do
Chris@1115:       note1 = things(:parent1)
Chris@1115:       note1.children.count.should == 2
Chris@1115:       note1[:children_count].should == 2
Chris@1115:       note1.children.create :body => 'Child 3'
Chris@1115:       note1.children.count.should == 3
Chris@1115:       note1.reload
Chris@1115:       note1[:children_count].should == 3
Chris@1115:     end
Chris@1115: 
Chris@1115:     it "should decrement the counter cache on destroy" do
Chris@1115:       note1 = things(:parent1)
Chris@1115:       note1.children.count.should == 2
Chris@1115:       note1[:children_count].should == 2
Chris@1115:       note1.children.last.destroy
Chris@1115:       note1.children.count.should == 1
Chris@1115:       note1.reload
Chris@1115:       note1[:children_count].should == 1
Chris@1115:     end
Chris@1115:   end
Chris@1115: 
Chris@1115:   describe "association callbacks on children" do
Chris@1115:     it "should call the appropriate callbacks on the children :has_many association " do
Chris@1115:       root = DefaultWithCallbacks.create
Chris@1115:       root.should_not be_new_record
Chris@1115: 
Chris@1115:       child = root.children.build
Chris@1115: 
Chris@1115:       root.before_add.should == child
Chris@1115:       root.after_add.should  == child
Chris@1115: 
Chris@1115:       root.before_remove.should_not == child
Chris@1115:       root.after_remove.should_not  == child
Chris@1115: 
Chris@1115:       child.save.should be_true
Chris@1115:       root.children.delete(child).should be_true
Chris@1115: 
Chris@1115:       root.before_remove.should == child
Chris@1115:       root.after_remove.should  == child
Chris@1115:     end
Chris@1115:   end
Chris@1115: end