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