def test_format_string_to_snakecase_uppercase(self):
     self.assertEqual('uppercase', StringFormatter.format_to_snakecase('UPPERCASE'))
     self.assertEqual('upper_case', StringFormatter.format_to_snakecase('UPPER CASE'))
 def test_format_string_to_snakecase_special_chars(self):
     self.assertEqual('special_chars', StringFormatter.format_to_snakecase('special!#@-_ chars'))
     self.assertEqual('special_chars', StringFormatter.format_to_snakecase('! special chars ?'))
 def test_format_string_to_snakecase_unicode(self):
     self.assertEqual('a_a_e_o_u', StringFormatter.format_to_snakecase(u'å ä ß é ö ü'))
 def test_format_string_to_snakecase_repeated_special_chars(self):
     self.assertEqual('repeated_special_chars', StringFormatter.format_to_snakecase('repeated   special___chars'))
 def test_format_string_to_snakecase_whitespaces(self):
     self.assertEqual('no_leading_and_trailing', StringFormatter.format_to_snakecase(' no leading and trailing '))
     self.assertEqual('no_leading_and_trailing', StringFormatter.format_to_snakecase('\nno leading and trailing\t'))
 def test_format_string_to_snakecase_leading_number(self):
     self.assertEqual('1_number', StringFormatter.format_to_snakecase('1 number'))
 def test_format_string_to_snakecase_camelcase(self):
     self.assertEqual('camel_case', StringFormatter.format_to_snakecase('camelCase'))
 def test_format_string_to_snakecase_abbreviation(self):
     self.assertEqual('aaa', StringFormatter.format_to_snakecase('AAA'))
     self.assertEqual('aaa_aaa', StringFormatter.format_to_snakecase('AAA-AAA'))
 def test_format_elements_snakecase_internal_index(self):
     test_list = [['AA-AA', 'Test A'], ['BB-BB', 'Test B']]
     StringFormatter.format_elements_to_snakecase(test_list, internal_index=0)
     self.assertListEqual([['aa_aa', 'Test A'], ['bb_bb', 'Test B']], test_list)
 def test_format_elements_snakecase_list(self):
     test_list = ['AA-AA', 'BB-BB']
     StringFormatter.format_elements_to_snakecase(test_list)
     self.assertListEqual(['aa_aa', 'bb_bb'], test_list)