def test_notify_inval_entry(tmpdir, notify, output_checker):
mnt_dir = str(tmpdir)
cmdline = base_cmdline + \
[ pjoin(basename, 'example', 'notify_inval_entry'),
'-f', '--update-interval=1',
'--timeout=5', mnt_dir ]
if not notify:
cmdline.append('--no-notify')
mount_process = subprocess.Popen(cmdline,
stdout=output_checker.fd,
stderr=output_checker.fd)
try:
wait_for_mount(mount_process, mnt_dir)
fname = pjoin(mnt_dir, os.listdir(mnt_dir)[0])
try:
os.stat(fname)
except FileNotFoundError:
# We may have hit a race condition and issued
# readdir just before the name changed
fname = pjoin(mnt_dir, os.listdir(mnt_dir)[0])
os.stat(fname)
safe_sleep(2)
if not notify:
os.stat(fname)
safe_sleep(5)
with pytest.raises(FileNotFoundError):
os.stat(fname)
except:
cleanup(mount_process, mnt_dir)
raise
else:
umount(mount_process, mnt_dir)
def tst_passthrough(src_dir, mnt_dir, cache_timeout):
name = name_generator()
src_name = pjoin(src_dir, name)
mnt_name = pjoin(src_dir, name)
assert name not in os.listdir(src_dir)
assert name not in os.listdir(mnt_dir)
with open(src_name, 'w') as fh:
fh.write('Hello, world')
assert name in os.listdir(src_dir)
if cache_timeout:
safe_sleep(cache_timeout+1)
assert name in os.listdir(mnt_dir)
assert os.stat(src_name) == os.stat(mnt_name)
name = name_generator()
src_name = pjoin(src_dir, name)
mnt_name = pjoin(src_dir, name)
assert name not in os.listdir(src_dir)
assert name not in os.listdir(mnt_dir)
with open(mnt_name, 'w') as fh:
fh.write('Hello, world')
assert name in os.listdir(src_dir)
if cache_timeout:
safe_sleep(cache_timeout+1)
assert name in os.listdir(mnt_dir)
assert os.stat(src_name) == os.stat(mnt_name)
def tst_passthrough(src_dir, mnt_dir, cache_timeout):
name = name_generator()
src_name = pjoin(src_dir, name)
mnt_name = pjoin(src_dir, name)
assert name not in os.listdir(src_dir)
assert name not in os.listdir(mnt_dir)
with open(src_name, 'w') as fh:
fh.write('Hello, world')
assert name in os.listdir(src_dir)
if cache_timeout:
safe_sleep(cache_timeout + 1)
assert name in os.listdir(mnt_dir)
assert os.stat(src_name) == os.stat(mnt_name)
name = name_generator()
src_name = pjoin(src_dir, name)
mnt_name = pjoin(src_dir, name)
assert name not in os.listdir(src_dir)
assert name not in os.listdir(mnt_dir)
with open(mnt_name, 'w') as fh:
fh.write('Hello, world')
assert name in os.listdir(src_dir)
if cache_timeout:
safe_sleep(cache_timeout + 1)
assert name in os.listdir(mnt_dir)
assert os.stat(src_name) == os.stat(mnt_name)
def test_notify1(tmpdir, name, notify):
mnt_dir = str(tmpdir)
cmdline = base_cmdline + \
[ pjoin(basename, 'example', name),
'-f', '--update-interval=1', mnt_dir ]
if not notify:
cmdline.append('--no-notify')
mount_process = subprocess.Popen(cmdline)
try:
wait_for_mount(mount_process, mnt_dir)
filename = pjoin(mnt_dir, 'current_time')
with open(filename, 'r') as fh:
read1 = fh.read()
safe_sleep(2)
with open(filename, 'r') as fh:
read2 = fh.read()
if notify:
assert read1 != read2
else:
assert read1 == read2
except:
cleanup(mount_process, mnt_dir)
raise
else:
umount(mount_process, mnt_dir)
def tst_link(mnt_dir, cache_timeout):
name1 = pjoin(mnt_dir, name_generator())
name2 = pjoin(mnt_dir, name_generator())
shutil.copyfile(TEST_FILE, name1)
assert filecmp.cmp(name1, TEST_FILE, False)
fstat1 = os.lstat(name1)
assert fstat1.st_nlink == 1
os.link(name1, name2)
# The link operation changes st_ctime, and if we're unlucky
# the kernel will keep the old value cached for name1, and
# retrieve the new value for name2 (at least, this is the only
# way I can explain the test failure). To avoid this problem,
# we need to wait until the cached value has expired.
if cache_timeout:
safe_sleep(cache_timeout)
fstat1 = os.lstat(name1)
fstat2 = os.lstat(name2)
for attr in ('st_mode', 'st_dev', 'st_uid', 'st_gid', 'st_size',
'st_atime', 'st_mtime', 'st_ctime'):
assert getattr(fstat1, attr) == getattr(fstat2, attr)
assert os.path.basename(name2) in os.listdir(mnt_dir)
assert filecmp.cmp(name1, name2, False)
os.unlink(name2)
assert os.path.basename(name2) not in os.listdir(mnt_dir)
with pytest.raises(FileNotFoundError):
os.lstat(name2)
os.unlink(name1)
def test_notify1(tmpdir, name, notify):
mnt_dir = str(tmpdir)
cmdline = base_cmdline + \
[ pjoin(basename, 'example', name),
'-f', '--update-interval=1', mnt_dir ]
if not notify:
cmdline.append('--no-notify')
mount_process = subprocess.Popen(cmdline)
try:
wait_for_mount(mount_process, mnt_dir)
filename = pjoin(mnt_dir, 'current_time')
with open(filename, 'r') as fh:
read1 = fh.read()
safe_sleep(2)
with open(filename, 'r') as fh:
read2 = fh.read()
if notify:
assert read1 != read2
else:
assert read1 == read2
except:
cleanup(mnt_dir)
raise
else:
umount(mount_process, mnt_dir)
def test_notify_file_size(tmpdir, notify, output_checker):
mnt_dir = str(tmpdir)
cmdline = base_cmdline + \
[ pjoin(basename, 'example', 'invalidate_path'),
'-f', '--update-interval=1', mnt_dir ]
if not notify:
cmdline.append('--no-notify')
mount_process = subprocess.Popen(cmdline,
stdout=output_checker.fd,
stderr=output_checker.fd)
try:
wait_for_mount(mount_process, mnt_dir)
filename = pjoin(mnt_dir, 'growing')
size = os.path.getsize(filename)
safe_sleep(2)
new_size = os.path.getsize(filename)
if notify:
assert new_size > size
else:
assert new_size == size
except:
cleanup(mount_process, mnt_dir)
raise
else:
umount(mount_process, mnt_dir)
def test_notify_inval_entry(tmpdir, notify):
mnt_dir = str(tmpdir)
cmdline = base_cmdline + \
[ pjoin(basename, 'example', 'notify_inval_entry'),
'-f', '--update-interval=1',
'--timeout=5', mnt_dir ]
if not notify:
cmdline.append('--no-notify')
mount_process = subprocess.Popen(cmdline)
try:
wait_for_mount(mount_process, mnt_dir)
fname = pjoin(mnt_dir, os.listdir(mnt_dir)[0])
try:
os.stat(fname)
except FileNotFoundError:
# We may have hit a race condition and issued
# readdir just before the name changed
fname = pjoin(mnt_dir, os.listdir(mnt_dir)[0])
os.stat(fname)
safe_sleep(2)
if not notify:
os.stat(fname)
safe_sleep(5)
with pytest.raises(FileNotFoundError):
os.stat(fname)
except:
cleanup(mnt_dir)
raise
else:
umount(mount_process, mnt_dir)
def tst_rmdir(src_dir, mnt_dir, cache_timeout):
name = name_generator()
fullname = mnt_dir + "/" + name
os.mkdir(pjoin(src_dir, name))
if cache_timeout:
safe_sleep(cache_timeout+1)
assert name in os.listdir(mnt_dir)
os.rmdir(fullname)
with pytest.raises(OSError) as exc_info:
os.stat(fullname)
assert exc_info.value.errno == errno.ENOENT
assert name not in os.listdir(mnt_dir)
assert name not in os.listdir(src_dir)
def tst_rmdir(src_dir, mnt_dir, cache_timeout):
name = name_generator()
fullname = mnt_dir + "/" + name
os.mkdir(pjoin(src_dir, name))
if cache_timeout:
safe_sleep(cache_timeout + 1)
assert name in os.listdir(mnt_dir)
os.rmdir(fullname)
with pytest.raises(OSError) as exc_info:
os.stat(fullname)
assert exc_info.value.errno == errno.ENOENT
assert name not in os.listdir(mnt_dir)
assert name not in os.listdir(src_dir)
def tst_unlink(src_dir, mnt_dir, cache_timeout):
name = name_generator()
fullname = mnt_dir + "/" + name
with open(pjoin(src_dir, name), 'wb') as fh:
fh.write(b'hello')
if cache_timeout:
safe_sleep(cache_timeout+1)
assert name in os.listdir(mnt_dir)
os.unlink(fullname)
with pytest.raises(OSError) as exc_info:
os.stat(fullname)
assert exc_info.value.errno == errno.ENOENT
assert name not in os.listdir(mnt_dir)
assert name not in os.listdir(src_dir)
def tst_unlink(src_dir, mnt_dir, cache_timeout):
name = name_generator()
fullname = mnt_dir + "/" + name
with open(pjoin(src_dir, name), 'wb') as fh:
fh.write(b'hello')
if cache_timeout:
safe_sleep(cache_timeout + 1)
assert name in os.listdir(mnt_dir)
os.unlink(fullname)
with pytest.raises(OSError) as exc_info:
os.stat(fullname)
assert exc_info.value.errno == errno.ENOENT
assert name not in os.listdir(mnt_dir)
assert name not in os.listdir(src_dir)
def test_notify_file_size(tmpdir, notify):
mnt_dir = str(tmpdir)
cmdline = base_cmdline + \
[ pjoin(basename, 'example', 'invalidate_path'),
'-f', '--update-interval=1', mnt_dir ]
if not notify:
cmdline.append('--no-notify')
mount_process = subprocess.Popen(cmdline)
try:
wait_for_mount(mount_process, mnt_dir)
filename = pjoin(mnt_dir, 'growing')
size = os.path.getsize(filename)
safe_sleep(2)
new_size = os.path.getsize(filename)
if notify:
assert new_size > size
else:
assert new_size == size
except:
cleanup(mnt_dir)
raise
else:
umount(mount_process, mnt_dir)
