code: def test_input(self, length):
      fsuffix = {"(*)": "star"}.get(length, length)
      f = getattr(self.module, self.fprefix + "_input_" + fsuffix)
  
      a = {"1": "a", "3": "abc", "star": "abcde" * 3}[length]
  
      assert_array_equal(f(a), np.array(list(map(ord, a)), dtype="u1"))
  
imports: import pytest
  import textwrap
  from numpy.testing import assert_array_equal, assert_equal, assert_raises
  import numpy
  from numpy.f2py.tests import util
label_desc: Use image node_id 1 for calling the TestCharacterString obj's underlying member method code with example usage: obj.test_input(length) without return types