def test_single(self):
locks = [SemLock(self.lock_file, 1, timeout=0.01) for _ in range(2)]
locks[0].lock()
try:
locks[1].lock()
except LockTimeout:
pass
else:
assert False, 'expected LockTimeout'
def test_creating(self):
locks = [SemLock(self.lock_file, 2) for _ in range(3)]
eq_(self.count_lockfiles(), 0)
locks[0].lock()
eq_(self.count_lockfiles(), 1)
locks[1].lock()
eq_(self.count_lockfiles(), 2)
assert os.path.exists(locks[0]._lock._path)
assert os.path.exists(locks[1]._lock._path)
locks[0].unlock()
locks[2].lock()
locks[2].unlock()
locks[1].unlock()
def test_creating(self):
locks = [SemLock(self.lock_file, 2) for _ in range(3)]
assert self.count_lockfiles() == 0
locks[0].lock()
assert self.count_lockfiles() == 1
locks[1].lock()
assert self.count_lockfiles() == 2
assert os.path.exists(locks[0]._lock._path)
assert os.path.exists(locks[1]._lock._path)
locks[0].unlock()
locks[2].lock()
locks[2].unlock()
locks[1].unlock()
def test_timeout(self):
locks = [SemLock(self.lock_file, 2, timeout=0.1) for _ in range(3)]
eq_(self.count_lockfiles(), 0)
locks[0].lock()
eq_(self.count_lockfiles(), 1)
locks[1].lock()
eq_(self.count_lockfiles(), 2)
try:
locks[2].lock()
except LockTimeout:
pass
else:
assert False, 'expected LockTimeout'
locks[0].unlock()
locks[2].unlock()
def test_timeout(self):
locks = [SemLock(self.lock_file, 2, timeout=0.1) for _ in range(3)]
assert self.count_lockfiles() == 0
locks[0].lock()
assert self.count_lockfiles() == 1
locks[1].lock()
assert self.count_lockfiles() == 2
try:
locks[2].lock()
except LockTimeout:
pass
else:
assert False, "expected LockTimeout"
locks[0].unlock()
locks[2].unlock()
def test_load(self):
locks = [SemLock(self.lock_file, 8, timeout=1) for _ in range(20)]
new_locks = random.sample([l for l in locks if not l._locked], 5)
for l in new_locks:
l.lock()
for _ in range(20):
old_locks = random.sample([l for l in locks if l._locked], 3)
for l in old_locks:
l.unlock()
eq_(len([l for l in locks if l._locked]), 2)
eq_(len([l for l in locks if not l._locked]), 18)
new_locks = random.sample([l for l in locks if not l._locked], 3)
for l in new_locks:
l.lock()
eq_(len([l for l in locks if l._locked]), 5)
eq_(len([l for l in locks if not l._locked]), 15)
assert self.count_lockfiles() == 8
