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#!/usr/bin/env python3
import subprocess
import pytest
import os
import time
def wait_for_mount(mount_process, mnt_dir):
elapsed = 0
while elapsed < 30:
if os.path.ismount(mnt_dir):
return True
if mount_process.poll() is not None:
pytest.fail('file system process terminated prematurely')
time.sleep(0.1)
elapsed += 0.1
pytest.fail("mountpoint failed to come up")
def cleanup(mnt_dir):
subprocess.call(['fusermount', '-z', '-u', mnt_dir],
stdout=subprocess.DEVNULL,
stderr=subprocess.STDOUT)
def umount(mount_process, mnt_dir):
subprocess.check_call(['fusermount', '-z', '-u', mnt_dir])
assert not os.path.ismount(mnt_dir)
# Give mount process a little while to terminate. Popen.wait(timeout)
# was only added in 3.3...
elapsed = 0
while elapsed < 30:
code = mount_process.poll()
if code is not None:
if code == 0:
return
pytest.fail('file system process terminated with code %s' % (code,))
time.sleep(0.1)
elapsed += 0.1
pytest.fail('mount process did not terminate')
# If valgrind and libtool are available, use them
def has_program(name):
try:
ret = subprocess.call([name, '--version'],
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL)
except FileNotFoundError:
return False
return ret == 0
if has_program('valgrind') and has_program('libtool'):
base_cmdline = [ 'libtool', '--mode=execute',
'valgrind', '-q', '--' ]
else:
base_cmdline = []
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