Fixed failing spec in mongoid 3, parent_id column should not be of ty…

…pe Integer but BSON::ObjectId

spec/lib/ancestry_spec.rb

@@ -80,7 +80,7 @@
   end
 
   it "should have STI support" do
-    subject.with_model :extra_columns => {:type => :string} do |model|
+    subject.with_model :extra_columns => {:type => 'String'} do |model|
       subclass1 = Object.const_set 'Subclass1', Class.new(model)
       (class << subclass1; self; end).send(:define_method, :model_name) do
       Struct.new(:human, :underscore).new 'Subclass1', 'subclass1'

spec/lib/mongoid-ancestry/class_methods_spec.rb

@@ -232,7 +232,7 @@ def assert_integrity_restoration model
   end
 
   it "should build ancestry from parent ids" do
-    subject.with_model :skip_ancestry => true, :extra_columns => {:parent_id => :integer} do |model|
+    subject.with_model :skip_ancestry => true, :extra_columns => {:parent_id => 'BSON::ObjectId'} do |model|
       [model.create!].each do |parent1|
         (Array.new(5) { model.create :parent_id => parent1.id }).each do |parent2|
           (Array.new(5) { model.create :parent_id => parent2.id }).each do |parent3|

spec/support/models.rb

@@ -14,7 +14,7 @@ def self.with_model options = {}
       TestNode.send(:include, Mongoid::Ancestry) unless skip_ancestry
 
       extra_columns.each do |name, type|
-        TestNode.send :field, name, :type => type.to_s.capitalize.constantize
+        TestNode.send :field, name, :type => type.constantize
       end unless extra_columns.nil?
 
       TestNode.has_ancestry options unless skip_ancestry