Adding core has_many test and adding self_grouping missing lib.

lib/grouped_scope.rb

@@ -1,6 +1,7 @@
 require 'grouped_scope/errors'
 require 'grouped_scope/proxy'
 require 'grouped_scope/grouping'
+require 'grouped_scope/self_grouping'
 require 'grouped_scope/group'
 require 'grouped_scope/class_methods'
 require 'grouped_scope/instance_methods'

test/grouped_scope/has_many_association_test.rb

@@ -0,0 +1,33 @@
+require File.dirname(__FILE__) + '/../helper'
+
+class HasManyAssociationTest < GroupedScope::TestCase
+
+  def setup
+    setup_environment
+  end
+
+  context 'For existing ungrouped has_many associations' do
+
+    setup do
+      @con = ActiveRecord::Base.connection
+    end
+
+    should 'be able to call it' do
+      @employee = Factory(:employee)
+      assert_instance_of Array, @employee.reports
+    end
+
+    # should 'description' do
+    #   @employee = Factory(:employee)
+    #   assert_instance_of Array, e.reports
+    #   # assert_sql(/\(#{@con.quote_table_name('employees')}.#{@con.quote_column_name('id')} = dddd/) do
+    #   #   
+    #   # end
+    # end
+
+
+  end
+
+
+
+end