def server_url(request):
if sys.platform.startswith('win'):
pytest.skip('WSGI server tests are currently unsupported on Windows')
server_args = request.param
for attempt in range(3):
server_port = testing.get_unused_port()
base_url = 'http://{}:{}'.format(_SERVER_HOST, server_port)
args = server_args(_SERVER_HOST, server_port)
print('Starting {}...'.format(server_args.__doc__))
print(' '.join(args))
try:
server = subprocess.Popen(args, cwd=_HERE)
except FileNotFoundError:
pytest.skip('{} executable is not installed'.format(args[0]))
# NOTE(vytas): give the app server some time to start.
start_time = time.time()
while time.time() - start_time < _STARTUP_TIMEOUT:
try:
requests.get(base_url + '/hello', timeout=0.2)
except (requests.exceptions.Timeout,
requests.exceptions.ConnectionError):
time.sleep(0.2)
else:
break
else:
if server.poll() is None:
pytest.fail('Server is not responding to requests')
else:
# NOTE(kgriffs): The server did not start up; probably due to
# the port being in use. We could check the output but
# capsys fixture may not have buffered the error output
# yet, so we just retry.
continue
yield base_url
break
else:
pytest.fail('Could not start server')
print('\n[Sending SIGTERM to server process...]')
server.terminate()
try:
server.communicate(timeout=_SHUTDOWN_TIMEOUT)
except subprocess.TimeoutExpired:
print('\n[Killing stubborn server process...]')
server.kill()
server.communicate()
pytest.fail(
'Server process did not exit in a timely manner and had to be killed.'
)
def server_base_url(request):
process_factory = request.param
_can_run(process_factory)
for i in range(3):
server_port = testing.get_unused_port()
base_url = 'http://{}:{}/'.format(_SERVER_HOST, server_port)
with _run_server_isolated(process_factory, _SERVER_HOST,
server_port) as server:
# NOTE(kgriffs): Let the server start up. Give up after 5 seconds.
start_ts = time.time()
while (time.time() - start_ts) < 5:
try:
requests.get(base_url, timeout=0.2)
except (
requests.exceptions.Timeout,
requests.exceptions.ConnectionError,
):
time.sleep(0.2)
else:
break
else:
if server.poll() is None:
pytest.fail('Server is not responding to requests')
else:
# NOTE(kgriffs): The server did not start up; probably due to
# the port being in use. We could check the output but
# capsys fixture may not have buffered the error output
# yet, so we just retry.
continue
yield base_url
assert server.returncode == 0
break
else:
pytest.fail('Could not start server')
