SF #857297 and 916874, improve handling of hard links when extracting
diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
index bd3fd8e..52b6204 100644
--- a/Lib/test/test_tarfile.py
+++ b/Lib/test/test_tarfile.py
@@ -293,6 +293,24 @@
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 @@
WriteGNULongTest,
]
+ if hasattr(os, "link"):
+ tests.append(ExtractHardlinkTest)
+
if gzip:
tests.extend([
ReadTestGzip, ReadStreamTestGzip,