test/test_unicode_literals.py

   1 from __future__ import unicode_literals
   2
   3 # Allow direct execution
   4 import os
   5 import sys
   6 import unittest
   7 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
   8
   9 import io
  10 import re
  11
  12 rootDir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
  13
  14 IGNORED_FILES = [
  15     'setup.py',  # http://bugs.python.org/issue13943
  16     'conf.py',
  17     'buildserver.py',
  18     'pyinst.py',
  19     'pyinst32.py',
  20 ]
  21
  22 IGNORED_DIRS = [
  23     '.git',
  24     '.tox',
  25 ]
  26
  27 from test.helper import assertRegexpMatches
  28
  29
  30 class TestUnicodeLiterals(unittest.TestCase):
  31     def test_all_files(self):
  32         for dirpath, dirnames, filenames in os.walk(rootDir):
  33             for ignore_dir in IGNORED_DIRS:
  34                 if ignore_dir in dirnames:
  35                     # If we remove the directory from dirnames os.walk won't
  36                     # recurse into it
  37                     dirnames.remove(ignore_dir)
  38             for basename in filenames:
  39                 if not basename.endswith('.py'):
  40                     continue
  41                 if basename in IGNORED_FILES:
  42                     continue
  43
  44                 fn = os.path.join(dirpath, basename)
  45                 with io.open(fn, encoding='utf-8') as inf:
  46                     code = inf.read()
  47
  48                 if "'" not in code and '"' not in code:
  49                     continue
  50                 assertRegexpMatches(
  51                     self,
  52                     code,
  53                     r'(?:(?:#.*?|\s*)\n)*from __future__ import (?:[a-z_]+,\s*)*unicode_literals',
  54                     'unicode_literals import  missing in %s' % fn)
  55
  56                 m = re.search(r'(?<=\s)u[\'"](?!\)|,|$)', code)
  57                 if m is not None:
  58                     self.assertTrue(
  59                         m is None,
  60                         'u present in %s, around %s' % (
  61                             fn, code[m.start() - 10:m.end() + 10]))
  62
  63
  64 if __name__ == '__main__':
  65     unittest.main()