Merge pull request #775 from chef/dr/filter-resoruce

add resource to filter table blocks

lib/utils/filter.rb

@@ -40,7 +40,7 @@ module FilterTable
   end
 
   class Table
-    attr_reader :params
+    attr_reader :params, :resource
     def initialize(resource, params, filters)
       @resource = resource
       @params = params

test/unit/utils/filter_table_test.rb

@@ -28,6 +28,13 @@ describe FilterTable do
     factory.must_be_kind_of FilterTable::Factory
   end
 
+  it 'retrieves the resource from all entries' do
+    factory.add_accessor(:where)
+           .add(:baz?) { |x| x.resource }
+           .connect(resource, :data)
+    instance.baz?.must_equal instance
+  end
+
   describe 'when calling add_accessor' do
     it 'is chainable' do
       factory.add_accessor(:sth).must_equal factory