import unittest

def wordGenerator(word):
  return word;

class TestWordGenerator(unittest.TestCase):
  def setUp(self):
    pass;

  def testWithWord(self):
    self.assertEqual("word", wordGenerator("word"));

  def testWithNothing(self):
    with self.assertRaises(TypeError):
      wordGenerator();

if __name__ == '__main__':
  unittest.main();