def wait_for_port_to_be_open(port_number):
"""Wait until the port is open.
Args:
port_number: int. The port number to wait.
"""
waited_seconds = 0
while (not common.is_port_open(port_number)
and waited_seconds < MAX_WAIT_TIME_FOR_PORT_TO_OPEN_SECS):
time.sleep(1)
waited_seconds += 1
if (waited_seconds == MAX_WAIT_TIME_FOR_PORT_TO_OPEN_SECS
and not common.is_port_open(port_number)):
python_utils.PRINT('Failed to start server on port %s, exiting ...' %
port_number)
sys.exit(1)
def is_oppia_server_already_running():
"""Check if the ports are taken by any other processes. If any one of
them is taken, it may indicate there is already one Oppia instance running.
Returns:
bool. Whether there is a running Oppia instance.
"""
for port in [OPPIA_SERVER_PORT, GOOGLE_APP_ENGINE_PORT]:
if common.is_port_open(port):
python_utils.PRINT(
'There is already a server running on localhost:%s.'
'Please terminate it before running the end-to-end tests.'
'Exiting.' % port)
return True
return False
