text: """ Testing utilities module
  """
  from __future__ import absolute_import
  
  import numpy as np
  
  from nose.tools import (assert_true, assert_false, assert_raises,
                          assert_equal, assert_not_equal)
  
  
  from ..utilities import is_iterable, is_numlike
  
  def test_is_iterable():
      assert_true(is_iterable(()))
      assert_true(is_iterable([]))
      assert_true(is_iterable(np.zeros(1)))
      assert_true(is_iterable(np.zeros((1, 1))))
      assert_true(is_iterable(''))
      assert_false(is_iterable(0))
      assert_false(is_iterable(object()))
  
      def gen():
          yield 1
  
      assert_true(is_iterable(gen()))
  
      def func():
          return 1
  
      assert_false(is_iterable(func))
  
      class C:
          def __iter__(self):
              return self
  
          def __next__(self):
              return self
  
      assert_true(is_iterable(C()))
  
  
  def test_is_numlike():
      for good in (1, 0, 1.1, False, True, np.zeros(1), np.zeros((3,)),
                   1j, np.complex128(1)):
          assert_true(is_numlike(good))
      for bad in ('', object(), np.array(''), [], [1], (), (1,)):
          assert_false(is_numlike(bad))
  