diff options
Diffstat (limited to 'Lib/test/test_tarfile.py')
| -rw-r--r-- | Lib/test/test_tarfile.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py index abfb34d..1efb841 100644 --- a/Lib/test/test_tarfile.py +++ b/Lib/test/test_tarfile.py @@ -3,6 +3,7 @@ import os import io from hashlib import md5 from contextlib import contextmanager +from random import Random import unittest import unittest.mock @@ -349,12 +350,17 @@ class CommonReadTest(ReadTest): def test_ignore_zeros(self): # Test TarFile's ignore_zeros option. + # generate 512 pseudorandom bytes + data = Random(0).getrandbits(512*8).to_bytes(512, 'big') for char in (b'\0', b'a'): # Test if EOFHeaderError ('\0') and InvalidHeaderError ('a') # are ignored correctly. with self.open(tmpname, "w") as fobj: fobj.write(char * 1024) - fobj.write(tarfile.TarInfo("foo").tobuf()) + tarinfo = tarfile.TarInfo("foo") + tarinfo.size = len(data) + fobj.write(tarinfo.tobuf()) + fobj.write(data) tar = tarfile.open(tmpname, mode="r", ignore_zeros=True) try: |