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Add a testcase that checks if the TarFile constructor successfully

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closes the internal file object in case of an error (issue #7341).
This commit is contained in:
Lars Gustäbel 2009-11-23 15:46:19 +00:00
parent dd866d57af
commit 12adc655c8
1 changed files with 18 additions and 0 deletions
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18
Lib/test/test_tarfile.py
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@ -310,6 +310,24 @@ class MiscReadTest(CommonReadTest):
self.assertEqual(tarinfo.mtime, os.path.getmtime(path))
tar.close()
def test_init_close_fobj(self):
# Issue #7341: Close the internal file object in the TarFile
# constructor in case of an error. For the test we rely on
# the fact that opening an empty file raises a ReadError.
empty = os.path.join(TEMPDIR, "empty")
open(empty, "wb").write("")
try:
tar = object.__new__(tarfile.TarFile)
try:
tar.__init__(empty)
except tarfile.ReadError:
self.assertTrue(tar.fileobj.closed)
else:
self.fail("ReadError not raised")
finally:
os.remove(empty)
class StreamReadTest(CommonReadTest):