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SF #857297 and 916874, improve handling of hard links when extracting

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This commit is contained in:
Neal Norwitz 2004-07-20 22:07:44 +00:00
parent 0662f8a5ea
commit a4f651a2ae
3 changed files with 30 additions and 1 deletions
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21
Lib/test/test_tarfile.py
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@ -293,6 +293,24 @@ class WriteGNULongTest(unittest.TestCase):
self._test(("longnam/" * 127) + "longname_",
("longlnk/" * 127) + "longlink_")
class ExtractHardlinkTest(BaseTest):
def test_hardlink(self):
"""Test hardlink extraction (bug #857297)
"""
# Prevent errors from being caught
self.tar.errorlevel = 1
self.tar.extract("0-REGTYPE", dirname())
try:
# Extract 1-LNKTYPE which is a hardlink to 0-REGTYPE
self.tar.extract("1-LNKTYPE", dirname())
except EnvironmentError, e:
import errno
if e.errno == errno.ENOENT:
self.fail("hardlink not extracted properly")
# Gzip TestCases
class ReadTestGzip(ReadTest):
comp = "gz"
@ -337,6 +355,9 @@ def test_main():
WriteGNULongTest,
]
if hasattr(os, "link"):
tests.append(ExtractHardlinkTest)
if gzip:
tests.extend([
ReadTestGzip, ReadStreamTestGzip,