def test_ImageDict_provides_values_of_each_key_value_pair(self): d = ImageDict() obj1 = cv2.imread(path.join(_this_path, 'data', 'object.png')) obj2 = cv2.imread(path.join(_this_path, 'data', 'different_object.png')) d[obj1] = 1 d[obj2] = 2 values_specification = (1, 2) values_by_itervalues = d.itervalues() values_by_values = d.values() self.assertItemsEqual(list(values_by_itervalues), values_specification) self.assertItemsEqual(values_by_values, values_specification)