"""Test eventloop integration"""
import sys
import time
import IPython.testing.decorators as dec
from .utils import flush_channels, start_new_kernel, execute
KC = KM = None
def setup():
"""start the global kernel (if it isn't running) and return its client"""
global KM, KC
KM, KC = start_new_kernel()
flush_channels(KC)
def teardown():
KC.stop_channels()
KM.shutdown_kernel(now=True)
async_code = """
from ipykernel.tests._asyncio import async_func
async_func()
"""
@dec.skipif(sys.version_info < (3, 5), "async/await syntax required")
def test_asyncio_interrupt():
flush_channels(KC)
msg_id, content = execute('%gui asyncio', KC)
assert content['status'] == 'ok', content
flush_channels(KC)
msg_id, content = execute(async_code, KC)
assert content['status'] == 'ok', content
KM.interrupt_kernel()
flush_channels(KC)
msg_id, content = execute(async_code, KC)
assert content['status'] == 'ok'