def test_non_blocking_does_not_wait_for_lock(self):
locked_fd = self.exclusive_lock(self.lockfile)
with self.assertRaises(IOError):
with open(self.lockfile, 'w') as fd:
with Flock(fd, blocking=False) as lock:
pass
self.unlock(locked_fd)
def test_file_is_unlocked_after_context(self):
with open(self.lockfile, 'w') as fd:
with Flock(fd) as lock:
pass
self.assertUnlocked(self.lockfile)
def test_timeout_is_ignored_when_not_blocking(self):
self.lock(self.lockfile_path)
with self.assertRaises(IOError):
with Flock(self.lockfile_handle, blocking=False, timeout=1) as lock:
pass
def test_file_is_locked_within_context(self):
with open(self.lockfile, 'w') as fd:
with Flock(fd) as lock:
self.assertLocked(self.lockfile)
def test_it_raise_timeouterror_if_timeout_is_reached(self):
self.lock(self.lockfile_path)
with self.assertRaises(TimeoutError):
with Flock(self.lockfile_handle, timeout=1) as lock:
pass
def test_it_can_be_acquired_within_context(self):
with Flock(self.lockfile_handle) as lock:
lock.release()
lock.acquire()
self.assertLocked(self.lockfile_path)
def test_non_blocking_does_not_wait_for_lock(self):
self.lock(self.lockfile_path)
with self.assertRaises(IOError):
with Flock(self.lockfile_handle, blocking=False) as lock:
pass
def test_file_is_unlocked_after_context(self):
with Flock(self.lockfile_handle) as lock:
pass
self.assertUnlocked(self.lockfile_path)
def test_file_is_locked_within_context(self):
with Flock(self.lockfile_handle) as lock:
self.assertLocked(self.lockfile_path)