def test_the_first_read_after_write(locker: DistributedRWLockManager,
on_done1: OnLockCallback,
on_done2: OnLockCallback):
locker.acquire_write_lock(NODE1, on_done1)
locker.acquire_read_lock(NODE1, on_done2)
on_done2.assert_not_called()
def test_the_read_locks_compat(locker: DistributedRWLockManager,
on_done1: OnLockCallback,
on_done2: OnLockCallback):
locker.acquire_read_lock(NODE1, on_done1)
locker.acquire_read_lock(NODE1, on_done2)
on_done2.assert_called_once_with(NODE1, ANY)
def test_the_independent_writes(locker: DistributedRWLockManager,
on_done1: OnLockCallback,
on_done2: OnLockCallback):
locker.acquire_write_lock(NODE1, on_done1)
locker.acquire_write_lock(NODE2, on_done2)
on_done1.assert_called_once_with(NODE1, ANY)
on_done2.assert_called_once_with(NODE2, ANY)
def test_the_first_write_after_write(locker: DistributedRWLockManager,
on_done1: OnLockCallback,
on_done2: OnLockCallback):
locker.acquire_write_lock(NODE1, on_done1)
locker.acquire_write_lock(NODE1, on_done2)
on_done2.assert_not_called()
lock1 = get_lock(on_done1)
lock1.release()
on_done2.assert_called_once_with(NODE1, ANY)
def test_mutable_has_no_effect(locker: DistributedRWLockManager,
on_done1: OnLockCallback,
on_done2: OnLockCallback):
state = {"foo": "bar"}
locker.acquire_write_lock(state, on_done1)
locker.acquire_write_lock(state, on_done2)
state["foo"] = "not bar"
lock1 = get_lock(on_done1)
lock1.release()
on_done2.assert_called_once_with(state, ANY)
def test_the_first_one_write_lock(locker: DistributedRWLockManager,
on_done1: OnLockCallback):
locker.acquire_write_lock(NODE1, on_done1)
on_done1.assert_called_once_with(NODE1, ANY)