def test_kernel_interrupt():
with run_kernel(make_sleep) as kernel:
start = datetime.now()
threading.Timer(1, interrupt).start()
with pytest.raises(KeyboardInterrupt):
kernel()
end = datetime.now()
assert end - start < timedelta(seconds=2)
def test_kernel():
kernel = run_kernel(make_double)
with pytest.raises(Exception):
kernel(1)
with kernel:
assert kernel(2) == 4
assert kernel(3) == 6
with pytest.raises(Exception):
kernel(4)
with kernel:
kernel(5)
def test_kernel_death():
with run_kernel(make_kill_self) as kernel:
with pytest.raises(KernelError):
kernel()
def test_kernel_unpickleable():
with run_kernel(make_return_unpickleable) as kernel:
assert kernel() is None
def test_kernel_exception():
with run_kernel(make_raise_exception) as kernel:
assert kernel() is None