def test_config_reset():
from copy import deepcopy
with mock.patch('common.PQOS_API.get_cores') as mock_get_cores,\
mock.patch('config.ConfigStore.load') as mock_load,\
mock.patch('caps.mba_supported', return_value = True) as mock_mba,\
mock.patch('caps.cat_l3_supported', return_value = True),\
mock.patch('caps.cat_l2_supported', return_value = True),\
mock.patch('common.PQOS_API.get_max_l3_cat_cbm', return_value = 0xFFF),\
mock.patch('common.PQOS_API.get_max_l2_cat_cbm', return_value = 0xFF),\
mock.patch('common.PQOS_API.check_core', return_value = True),\
mock.patch('pid_ops.is_pid_valid', return_value = True):
mock_load.return_value = deepcopy(CONFIG)
mock_get_cores.return_value = range(8)
config_store = ConfigStore()
config_store.from_file("/tmp/appqos_test.config")
config_store.process_config()
assert len(config_store.get_pool_attr('cores', None)) == 8
assert config_store.get_pool_attr('cbm', 0) == 0xFFF
assert config_store.get_pool_attr('l2cbm', 0) == 0xFF
assert config_store.get_pool_attr('mba', 0) == 100
# test get_pool_attr
assert config_store.get_pool_attr('non_exisiting_key', None) == None
# reset mock and change return values
# more cores this time (8 vs. 16)
mock_get_cores.return_value = range(16)
mock_get_cores.reset_mock()
# use CONFIG_NO_MBA this time, as MBA is reported as not supported
mock_load.return_value = deepcopy(CONFIG_NO_MBA)
mock_load.reset_mock()
mock_mba.return_value = False
# verify that reset reloads config from file and Default pool is
# recreated with different set of cores
# (get_num_cores mocked to return different values)
config_store.reset()
mock_load.assert_called_once_with("/tmp/appqos_test.config")
mock_get_cores.assert_called_once()
assert len(config_store.get_pool_attr('cores', None)) == 16
assert config_store.get_pool_attr('cbm', 0) == 0xFFF
assert config_store.get_pool_attr('mba', 0) is None
