def setUpClass(cls):
'''
If in full stack mode, configures and starts the arkouda_server process and sets the
ArkoudaTest.server class attribute, noop in client mode.
:return: None
:raise: EnvironmentError if 1..n required test libraries are missing, RuntimeError
if there is an error in configuring or starting arkouda_server
'''
if not importlib.util.find_spec(
'pytest') or not importlib.util.find_spec('pytest_env'):
raise EnvironmentError('pytest and pytest-env must be installed')
if ArkoudaTest.full_stack_mode:
print('starting in full stack mode')
try:
nl = get_arkouda_numlocales()
ArkoudaTest.server, _, _ = start_arkouda_server(
numlocales=nl, port=ArkoudaTest.port)
print('Started arkouda_server in full stack test mode with host: {} port: {} locales: {}'.\
format(ArkoudaTest.server, ArkoudaTest.port, nl))
except Exception as e:
raise RuntimeError(
'in configuring or starting the arkouda_server: {}, check '
+ 'environment and/or arkouda_server installation', e)
else:
print('in client stack test mode with host: {} port: {}'.format(
ArkoudaTest.server, ArkoudaTest.port))
def test_shutdown(self):
'''
Tests the ak.shutdown() method
'''
ak.shutdown()
start_arkouda_server(numlocales=1)