Lib/test/test_unicode_file.py

   1 # Test some Unicode file name semantics
   2 # We dont test many operations on files other than
   3 # that their names can be used with Unicode characters.
   4 import os, glob
   5
   6 from test.test_support import verify, TestSkipped, TESTFN_UNICODE
   7 from test.test_support import TESTFN_ENCODING
   8 try:
   9     TESTFN_ENCODED = TESTFN_UNICODE.encode(TESTFN_ENCODING)
  10 except (UnicodeError, TypeError):
  11     # Either the file system encoding is None, or the file name
  12     # cannot be encoded in the file system encoding.
  13     raise TestSkipped("No Unicode filesystem semantics on this platform.")
  14
  15 # Check with creation as Unicode string.
  16 f = open(TESTFN_UNICODE, 'wb')
  17 if not os.path.isfile(TESTFN_UNICODE):
  18     print "File doesn't exist after creating it"
  19
  20 if not os.path.isfile(TESTFN_ENCODED):
  21     print "File doesn't exist (encoded string) after creating it"
  22
  23 f.close()
  24
  25 # Test stat and chmod
  26 if os.stat(TESTFN_ENCODED) != os.stat(TESTFN_UNICODE):
  27     print "os.stat() did not agree on the 2 filenames"
  28 if os.lstat(TESTFN_ENCODED) != os.lstat(TESTFN_UNICODE):
  29     print "os.lstat() did not agree on the 2 filenames"
  30 os.chmod(TESTFN_ENCODED, 0777)
  31 os.chmod(TESTFN_UNICODE, 0777)
  32
  33 # Test rename
  34 try:
  35     os.unlink(TESTFN_ENCODED + ".new")
  36 except os.error:
  37     pass
  38 os.rename(TESTFN_ENCODED, TESTFN_ENCODED + ".new")
  39 os.rename(TESTFN_UNICODE+".new", TESTFN_ENCODED)
  40
  41 os.unlink(TESTFN_ENCODED)
  42 if os.path.isfile(TESTFN_ENCODED) or \
  43    os.path.isfile(TESTFN_UNICODE):
  44     print "File exists after deleting it"
  45
  46 # Check with creation as encoded string.
  47 f = open(TESTFN_ENCODED, 'wb')
  48 if not os.path.isfile(TESTFN_UNICODE) or \
  49    not os.path.isfile(TESTFN_ENCODED):
  50     print "File doesn't exist after creating it"
  51
  52 path, base = os.path.split(os.path.abspath(TESTFN_ENCODED))
  53 # Until PEP 277 is adopted, this test is not portable
  54 #  if base not in os.listdir(path):
  55 #      print "Filename did not appear in os.listdir()"
  56 #  path, base = os.path.split(os.path.abspath(TESTFN_UNICODE))
  57 #  if base not in os.listdir(path):
  58 #      print "Unicode filename did not appear in os.listdir()"
  59
  60 if os.path.abspath(TESTFN_ENCODED) != os.path.abspath(glob.glob(TESTFN_ENCODED)[0]):
  61     print "Filename did not appear in glob.glob()"
  62 if os.path.abspath(TESTFN_UNICODE) != os.path.abspath(glob.glob(TESTFN_UNICODE)[0]):
  63     print "Unicode filename did not appear in glob.glob()"
  64
  65 f.close()
  66 os.unlink(TESTFN_UNICODE)
  67 if os.path.isfile(TESTFN_ENCODED) or \
  68    os.path.isfile(TESTFN_UNICODE):
  69     print "File exists after deleting it"
  70
  71 # test os.open
  72 f = os.open(TESTFN_ENCODED, os.O_CREAT)
  73 if not os.path.isfile(TESTFN_UNICODE) or \
  74    not os.path.isfile(TESTFN_ENCODED):
  75     print "File doesn't exist after creating it"
  76 os.close(f)
  77 os.unlink(TESTFN_UNICODE)
  78
  79 # Test directories etc
  80 cwd = os.getcwd()
  81 abs_encoded = os.path.abspath(TESTFN_ENCODED) + ".dir"
  82 abs_unicode = os.path.abspath(TESTFN_UNICODE) + ".dir"
  83 os.mkdir(abs_encoded)
  84 try:
  85     os.chdir(abs_encoded)
  86     os.chdir(abs_unicode)
  87 finally:
  88     os.chdir(cwd)
  89     os.rmdir(abs_unicode)
  90 os.mkdir(abs_unicode)
  91 try:
  92     os.chdir(abs_encoded)
  93     os.chdir(abs_unicode)
  94 finally:
  95     os.chdir(cwd)
  96     os.rmdir(abs_encoded)
  97 print "All the Unicode tests appeared to work"