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|
import os
import platform
import sys
import pytest
from check_jsonschema.utils import filename2path
@pytest.mark.skipif(
not (platform.system() == "Linux"), reason="test requires /proc/self/ mechanism"
)
@pytest.mark.skipif(sys.version_info < (3, 8), reason="test uses os.memfd_create")
@pytest.mark.parametrize("use_pid_in_path", (True, False))
def test_filename2path_on_memfd(use_pid_in_path):
"""
create a memory file descriptor with a path in /proc/self/fd/
and then attempt to resolve that to an absolute Path object
the end result should be untouched
pathlib behavior is, for example,
>>> pathlib.Path("/proc/self/fd/4").resolve()
PosixPath('/memfd:myfd (deleted)')
"""
testfd = os.memfd_create("test_filename2path")
try:
pid = os.getpid() if use_pid_in_path else "self"
filename = f"/proc/{pid}/fd/{testfd}"
path = filename2path(filename)
assert str(path) == filename
finally:
os.close(testfd)
|
