[#87] Added the delete method to LeRelation

leapi/lerelation.py

 
         return (res, rel)
 
+    @classmethod
+    ## @brief deletes a relation between two objects
+    # @param filters_list list
+    # @param target_class str
+    def delete(cls, filters_list, target_class):
+        filters, rel_filters = cls._prepare_filters(filters_list)
+        ret = cls._datasource.delete(target_class, filters)
+        return True if ret == 1 else False
+
 ## @brief Abstract class to handle hierarchy relations
 class _LeHierarch(_LeRelation):
     def __init__(self, rel_id):

leapi/test/test_lerelation.py

             for i in range(3):
                 self.assertEqual(filter_res[i], res[i], "%s != %s"%(filter_res, res))
 
-    @unittest.skip("Wait LeRelation._prepare_filters() and LeRelation.delete() to unskip")
+    # @unittest.skip("Wait LeRelation._prepare_filters() and LeRelation.delete() to unskip")
     @patch('DataSource.dummy.leapidatasource.DummyDatasource.delete')
     def test_delete(self, dsmock):
         """ Testing LeHierarch insert method """
         from dyncode import LeCrud, Publication, Numero, Personnes, LeObject, Rubrique, LeHierarch, LeRelation
         
-        LeRelation.delete([LeRelation.sup_filter(Numero(42)), 'nature = "parent"'], 'LeHierarch')
-        dsmock.assert_called_once_with(LeHierarch, [('lesup', '=', Numero(42)), ('nature','=','parent')])
+        LeRelation.delete([LeRelation.sup_filter(Numero(42)), 'nature = "parent"'], LeHierarch)
+        dsmock.assert_called_once_with(LeHierarch, [('lesup', '=', Numero(42)), ('nature','=','"parent"')])
         dsmock.reset_mock()