mirror of
https://github.com/facebook/sapling.git
synced 2024-10-09 08:18:15 +03:00
9bfb48c921
Summary: Update the copyright & license headers in Python files to reflect the relicensing to GPLv2 Reviewed By: wez Differential Revision: D15487088 fbshipit-source-id: 9f2138dff41048d2c35f15e09a04ae5a9c9c80dd
47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
#!/usr/bin/env python3
|
|
#
|
|
# Copyright (c) Facebook, Inc. and its affiliates.
|
|
#
|
|
# This software may be used and distributed according to the terms of the
|
|
# GNU General Public License version 2.
|
|
|
|
import errno
|
|
import os
|
|
|
|
from .lib import testcase
|
|
|
|
|
|
@testcase.eden_repo_test
|
|
class OpenExclusiveTest(testcase.EdenRepoTest):
|
|
def populate_repo(self) -> None:
|
|
self.repo.write_file("readme.txt", "test\n")
|
|
self.repo.commit("Initial commit.")
|
|
|
|
def test_oexcl(self) -> None:
|
|
filename = os.path.join(self.mount, "makeme")
|
|
|
|
fd = os.open(filename, os.O_EXCL | os.O_CREAT | os.O_RDWR)
|
|
self.assertGreater(fd, -1, msg="Opened file exclusively")
|
|
try:
|
|
os.write(fd, b"foo\n")
|
|
finally:
|
|
os.close(fd)
|
|
|
|
with self.assertRaises(OSError) as context:
|
|
fd = os.open(filename, os.O_EXCL | os.O_CREAT | os.O_RDWR)
|
|
if fd != -1:
|
|
os.close(fd)
|
|
self.assertEqual(
|
|
errno.EEXIST,
|
|
context.exception.errno,
|
|
msg="O_EXCL for an existing file raises EEXIST",
|
|
)
|
|
|
|
os.unlink(filename)
|
|
|
|
fd = os.open(filename, os.O_EXCL | os.O_CREAT | os.O_RDWR)
|
|
self.assertGreater(
|
|
fd, -1, msg="Subsequent O_EXCL is not blocked after " + "removing the file"
|
|
)
|
|
os.close(fd)
|