import os
import shutil
import subprocess
import sys
import time
import pytest
import fsspec
from fsspec.implementations.cached import CachingFileSystem
@pytest.fixture()
def m():
"""
Fixture providing a memory filesystem.
"""
m = fsspec.filesystem("memory")
m.store.clear()
try:
yield m
finally:
m.store.clear()
@pytest.fixture
def ftp_writable(tmpdir):
"""
Fixture providing a writable FTP filesystem.
"""
pytest.importorskip("pyftpdlib")
from fsspec.implementations.ftp import FTPFileSystem
FTPFileSystem.clear_instance_cache() # remove lingering connections
CachingFileSystem.clear_instance_cache()
d = str(tmpdir)
with open(os.path.join(d, "out"), "wb") as f:
f.write(b"hello" * 10000)
P = subprocess.Popen(
[sys.executable, "-m", "pyftpdlib", "-d", d, "-u", "user", "-P", "pass", "-w"]
)
try:
time.sleep(1)
yield "localhost", 2121, "user", "pass"
finally:
P.terminate()
P.wait()
try:
shutil.rmtree(tmpdir)
except Exception:
pass
