def test_can_add_list(self):
p = Pypher()
one = 1
two = 2
three = 3
p.List(one, two, three)
c = str(p)
params = p.bound_params
exp = '[${one}, ${two}, ${three}]'.format(one=get_dict_key(params, one),
two=get_dict_key(params, two), three=get_dict_key(params, three))
self.assertEqual(exp, c)
self.assertEqual(3, len(params))
