import re
import unittest
import logging

pattern_char_only = re.compile('^[A-Z][a-z]+$')
pattern_plz = re.compile('^[0-9]{5}$')
pattern_plz2 = re.compile('^\d{5}$')
pattern_quote= re.compile(':')
pattern_tab = re.compile(r'\t')
pattern_simpson = re.compile('Simpson')

logging.basicConfig( format='%(asctime)-15s [%(levelname)s] %(funcName)s: %(message)s', level=logging.DEBUG)
class TestRegEgEx(unittest.TestCase):
  def test_match(self):
    m = pattern_char_only.match('Olli')
    
    logging.debug(f'm={m}')
    self.assertIsNotNone(m)

  def test_findall(self):
    m = pattern_char_only.findall('Olli')
    logging.debug(f'm={m}')
    self.assertIsNotNone(m)

  def test_plz(self):
      patterns = [pattern_plz,pattern_plz2]
      plz = ['42275','5600']

      for pattern in patterns:
        m = pattern.findall(plz[0])
        logging.debug(f'm={m}')
        self.assertNotEqual('',m[0])
        m = pattern.findall(plz[1])
        logging.debug(f'm={m}')
        self.assertEqual([],m)


  def test_search(self):
    m = pattern_char_only.search('Olli')
    logging.debug(f'm={m}')
    self.assertIsNotNone(m)

    m = pattern_char_only.search('123456')
    logging.debug(f'm={m}')
    self.assertIsNone(m)

  def test_split(self):
    m = pattern_quote.split('Die:Würde:des:Menschen:ist:unantastbar.')
    logging.debug(f'm={m}')
    self.assertIsNotNone(m)

  def test_sub(self):
    m  = pattern_tab.sub(' ','Satz\tmit\tTabulator.')
    logging.debug(f'm={m}')

  def test_finditer(self):
    m = pattern_simpson.finditer('Homer Simpson, Marge Simpson, Bart Simpson, Lisa Simpson, Maggie Simpson')
    logging.debug(f'm={m}')

    for name in m:
      logging.debug(f'Name={name}')




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