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bpo-33751: Fix test_file. (GH-7378)

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testModeStrings and testTruncateOnWindows were depended on
a file leaked in other tests.

Also improve cleaning up after tests.
This commit is contained in:
Serhiy Storchaka 2018-06-05 19:55:41 +03:00 • committed by GitHub
parent ac1ee1bada
commit c2745d2d05
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1 changed files with 79 additions and 85 deletions
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18
Lib/test/test_file.py
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@ -8,6 +8,7 @@
import _pyio as pyio import _pyio as pyio
from test.support import TESTFN from test.support import TESTFN
from test import support
from collections import UserList from collections import UserList
class AutoFileTests: class AutoFileTests:
@ -19,7 +20,7 @@ def setUp(self):
def tearDown(self): def tearDown(self):
if self.f: if self.f:
self.f.close() self.f.close()
os.remove(TESTFN) support.unlink(TESTFN)
def testWeakRefs(self): def testWeakRefs(self):
# verify weak references # verify weak references
@ -137,8 +138,12 @@ class PyAutoFileTests(AutoFileTests, unittest.TestCase):
class OtherFileTests: class OtherFileTests:
def tearDown(self):
support.unlink(TESTFN)
def testModeStrings(self): def testModeStrings(self):
# check invalid mode strings # check invalid mode strings
self.open(TESTFN, 'wb').close()
for mode in ("", "aU", "wU+", "U+", "+U", "rU+"): for mode in ("", "aU", "wU+", "U+", "+U", "rU+"):
try: try:
f = self.open(TESTFN, mode) f = self.open(TESTFN, mode)
@ -185,7 +190,6 @@ def testTruncateOnWindows(self):
# SF bug <http://www.python.org/sf/801631> # SF bug <http://www.python.org/sf/801631>
# "file.truncate fault on windows" # "file.truncate fault on windows"
os.unlink(TESTFN)
f = self.open(TESTFN, 'wb') f = self.open(TESTFN, 'wb')
try: try:
@ -209,7 +213,6 @@ def testTruncateOnWindows(self):
self.fail("File size after ftruncate wrong %d" % size) self.fail("File size after ftruncate wrong %d" % size)
finally: finally:
f.close() f.close()
os.unlink(TESTFN)
def testIteration(self): def testIteration(self):
# Test the complex interaction when mixing file-iteration and the # Test the complex interaction when mixing file-iteration and the
@ -230,7 +233,6 @@ def testIteration(self):
methods = [("readline", ()), ("read", ()), ("readlines", ()), methods = [("readline", ()), ("read", ()), ("readlines", ()),
("readinto", (array("b", b" "*100),))] ("readinto", (array("b", b" "*100),))]
try:
# Prepare the testfile # Prepare the testfile
bag = self.open(TESTFN, "wb") bag = self.open(TESTFN, "wb")
bag.write(filler * nchunks) bag.write(filler * nchunks)
@ -309,8 +311,6 @@ def testIteration(self):
self.fail("read* failed after next() consumed file") self.fail("read* failed after next() consumed file")
finally: finally:
f.close() f.close()
finally:
os.unlink(TESTFN)
class COtherFileTests(OtherFileTests, unittest.TestCase): class COtherFileTests(OtherFileTests, unittest.TestCase):
open = io.open open = io.open
@ -319,11 +319,5 @@ class PyOtherFileTests(OtherFileTests, unittest.TestCase):
open = staticmethod(pyio.open) open = staticmethod(pyio.open)
def tearDownModule():
# Historically, these tests have been sloppy about removing TESTFN.
# So get rid of it no matter what.
if os.path.exists(TESTFN):
os.unlink(TESTFN)
if __name__ == '__main__': if __name__ == '__main__':
unittest.main() unittest.main()