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#!/usr/bin/env python3
import os
import stat
import sys
import tempfile
from posix_parity import cleanup_paths
from posix_parity import compare_calls
from posix_parity import fail
from posix_parity import join
def main():
if len(sys.argv) != 2:
print("usage: TEST_posix_create_mknod <mountpoint>", file=sys.stderr)
return 1
mount = sys.argv[1]
with tempfile.TemporaryDirectory() as native:
os.makedirs(join(mount, "posix-create"), exist_ok=True)
os.makedirs(join(native, "posix-create"), exist_ok=True)
merge_file = join(mount, "posix-create/file")
native_file = join(native, "posix-create/file")
merge_exist = join(mount, "posix-create/exist")
native_exist = join(native, "posix-create/exist")
merge_notdir = join(mount, "posix-create/notdir")
native_notdir = join(native, "posix-create/notdir")
cleanup_paths([merge_file, merge_exist, merge_notdir])
err = compare_calls(
"create success",
lambda: os.open(merge_file, os.O_CREAT | os.O_EXCL | os.O_WRONLY, 0o640),
lambda: os.open(native_file, os.O_CREAT | os.O_EXCL | os.O_WRONLY, 0o640),
close_fds=True,
)
if err:
return fail(err)
with open(merge_exist, "wb"):
pass
with open(native_exist, "wb"):
pass
err = compare_calls(
"create EEXIST",
lambda: os.open(merge_exist, os.O_CREAT | os.O_EXCL | os.O_WRONLY, 0o640),
lambda: os.open(native_exist, os.O_CREAT | os.O_EXCL | os.O_WRONLY, 0o640),
)
if err:
return fail(err)
with open(merge_notdir, "wb"):
pass
with open(native_notdir, "wb"):
pass
err = compare_calls(
"create ENOTDIR",
lambda: os.open(join(merge_notdir, "child"), os.O_CREAT | os.O_WRONLY, 0o640),
lambda: os.open(join(native_notdir, "child"), os.O_CREAT | os.O_WRONLY, 0o640),
)
if err:
return fail(err)
merge_node = join(mount, "posix-create/mknod")
native_node = join(native, "posix-create/mknod")
cleanup_paths([merge_node])
err = compare_calls(
"mknod regular",
lambda: os.mknod(merge_node, stat.S_IFREG | 0o600, 0),
lambda: os.mknod(native_node, stat.S_IFREG | 0o600, 0),
)
if err:
return fail(err)
err = compare_calls(
"mknod EEXIST",
lambda: os.mknod(merge_node, stat.S_IFREG | 0o600, 0),
lambda: os.mknod(native_node, stat.S_IFREG | 0o600, 0),
)
if err:
return fail(err)
return 0
if __name__ == "__main__":
raise SystemExit(main())