def test_periodic_arm(self, duthost, platform_api_conn, conf):
''' arm watchdog several times as watchdog deamon would and verify API behaves correctly '''
watchdog_timeout = conf['valid_timeout']
actual_timeout = watchdog.arm(platform_api_conn, watchdog_timeout)
time.sleep(TEST_WAIT_TIME_SECONDS)
remaining_time = watchdog.get_remaining_time(platform_api_conn)
actual_timeout_new = watchdog.arm(platform_api_conn, watchdog_timeout)
assert actual_timeout == actual_timeout_new
assert watchdog.get_remaining_time(platform_api_conn) > remaining_time
def test_remaining_time(self, duthost, platform_api_conn, conf):
''' arm watchdog with a valid timeout and verify that remaining time API works correctly '''
watchdog_timeout = conf['valid_timeout']
# in the begginging of the test watchdog is not armed, so
# get_remaining_time has to return -1
assert watchdog.get_remaining_time(platform_api_conn) == -1
actual_timeout = watchdog.arm(platform_api_conn, watchdog_timeout)
remaining_time = watchdog.get_remaining_time(platform_api_conn)
assert remaining_time > 0
assert remaining_time <= actual_timeout
remaining_time = watchdog.get_remaining_time(platform_api_conn)
time.sleep(TEST_WAIT_TIME_SECONDS)
assert watchdog.get_remaining_time(platform_api_conn) < remaining_time
def test_arm_different_timeout_smaller(self, duthost, platform_api_conn,
conf):
''' arm the watchdog with smaller timeout value and verify new timeout was accepted;
If platform accepts only single valid timeout value, @greater_timeout should be None.
'''
watchdog_timeout = conf['greater_timeout']
if watchdog_timeout is None:
pytest.skip(
'"greater_timeout" parameter is required for this test case')
watchdog_timeout_smaller = conf['valid_timeout']
actual_timeout = watchdog.arm(platform_api_conn, watchdog_timeout)
remaining_time = watchdog.get_remaining_time(platform_api_conn)
actual_timeout_smaller = watchdog.arm(platform_api_conn,
watchdog_timeout_smaller)
assert actual_timeout > actual_timeout_smaller
assert watchdog.get_remaining_time(platform_api_conn) < remaining_time