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#
# Copyright 2018 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from unittest import TestCase, main
from nose.tools import assert_raises
from nose.twistedtools import deferred
from copy import deepcopy
from mock.mock_adapter_agent import MockAdapterAgent, MockCore
from mock.mock_onu_handler import MockOnuHandler
from mock.mock_olt_handler import MockOltHandler
from mock.mock_onu import MockOnu
from pyvoltha.adapters.extensions.omci.openomci_agent import OpenOMCIAgent, OpenOmciAgentDefaults
from pyvoltha.adapters.extensions.omci.omci_defs import *
from pyvoltha.common.utils.asleep import asleep
from pyvoltha.adapters.extensions.omci.database.mib_db_api import DEVICE_ID_KEY, CLASS_ID_KEY, CREATED_KEY, \
MODIFIED_KEY, MDS_KEY, LAST_SYNC_KEY, VERSION_KEY, DatabaseStateError
from pyvoltha.adapters.extensions.omci.database.mib_db_dict import MibDbVolatileDict
DEFAULT_OLT_DEVICE_ID = 'default_olt_mock'
DEFAULT_ONU_DEVICE_ID = 'default_onu_mock'
DEFAULT_PON_ID = 0
DEFAULT_ONU_ID = 0
DEFAULT_ONU_SN = 'TEST00000001'
OP = EntityOperations
RC = ReasonCodes
def chunk(indexable, chunk_size):
for i in range(0, len(indexable), chunk_size):
yield indexable[i:i + chunk_size]
def hex2raw(hex_string):
return ''.join(chr(int(byte, 16)) for byte in chunk(hex_string, 2))
class TestOnuDeviceEntry(TestCase):
"""
Test the ONU Device Entry methods
"""
def setUp(self):
self.adapter_agent = MockAdapterAgent()
custom = deepcopy(OpenOmciAgentDefaults)
custom['mib-synchronizer']['database'] = MibDbVolatileDict
self.agent = OpenOMCIAgent(MockCore, support_classes=custom)
self.agent.start()
def tearDown(self):
if self.agent is not None:
self.agent.stop()
if self.adapter_agent is not None:
self.adapter_agent.tearDown()
def setup_mock_olt(self, device_id=DEFAULT_OLT_DEVICE_ID):
handler = MockOltHandler(self.adapter_agent, device_id)
self.adapter_agent.add_device(handler.device)
return handler
def setup_mock_onu(self, parent_id=DEFAULT_OLT_DEVICE_ID,
device_id=DEFAULT_ONU_DEVICE_ID,
pon_id=DEFAULT_PON_ID,
onu_id=DEFAULT_ONU_ID,
serial_no=DEFAULT_ONU_SN):
handler = MockOnuHandler(self.adapter_agent, parent_id, device_id, pon_id, onu_id)
handler.serial_number = serial_no
onu = MockOnu(serial_no, self.adapter_agent, handler.device_id) \
if serial_no is not None else None
handler.onu_mock = onu
return handler
def setup_one_of_each(self):
# Most tests will use at lease one or more OLT and ONU
self.olt_handler = self.setup_mock_olt()
self.onu_handler = self.setup_mock_onu(parent_id=self.olt_handler.device_id)
self.onu_device = self.onu_handler.onu_mock
self.adapter_agent.add_child_device(self.olt_handler.device,
self.onu_handler.device)
def test_add_remove_device(self):
self.setup_one_of_each()
self.assertEqual(len(self.agent.device_ids()), 0)
onu_device = self.agent.add_device(DEFAULT_ONU_DEVICE_ID,
self.adapter_agent)
self.assertIsNotNone(onu_device)
self.assertEqual(len(self.agent.device_ids()), 1)
self.assertEqual(self.agent.get_device(DEFAULT_ONU_DEVICE_ID), onu_device)
# No MIB if not started
assert_raises(KeyError, onu_device.query_mib)
self.agent.remove_device(DEFAULT_ONU_DEVICE_ID)
self.assertEqual(len(self.agent.device_ids()), 1)
def test_delete_device(self):
self.setup_one_of_each()
self.assertEqual(len(self.agent.device_ids()), 0)
onu_device = self.agent.add_device(DEFAULT_ONU_DEVICE_ID,
self.adapter_agent)
self.assertIsNotNone(onu_device)
self.assertEqual(len(self.agent.device_ids()), 1)
self.assertEqual(self.agent.get_device(DEFAULT_ONU_DEVICE_ID), onu_device)
# Can delete if it was not started
onu_device.delete()
self.assertEqual(len(self.agent.device_ids()), 0)
##########################################
# Delete of ONU device okay if it is started
onu_device = self.agent.add_device(DEFAULT_ONU_DEVICE_ID,
self.adapter_agent)
self.assertIsNotNone(onu_device)
self.assertEqual(len(self.agent.device_ids()), 1)
self.assertEqual(self.agent.get_device(DEFAULT_ONU_DEVICE_ID), onu_device)
# Start it and then delete it
onu_device.start()
onu_device.delete()
self.assertEqual(len(self.agent.device_ids()), 0)
@deferred(timeout=5)
def test_mib_query_fails_if_dev_not_started(self):
self.setup_one_of_each()
onu_device = self.agent.add_device(DEFAULT_ONU_DEVICE_ID,
self.adapter_agent)
self.assertIsNotNone(onu_device)
self.assertEqual(len(self.agent.device_ids()), 1)
self.assertEqual(self.agent.get_device(DEFAULT_ONU_DEVICE_ID), onu_device)
def not_called(_reason):
assert False, 'Should never be called'
def check_status(_results):
# Device not yet started. Query should fail with KeyError since
# ONU is not in database yet
assert_raises(KeyError, onu_device.query_mib)
# Yield context so that MIB Database callLater runs. This is a waiting
# Async task from when the OpenOMCIAgent was started.
d = asleep(0.2)
d.addCallbacks(check_status, not_called)
return d
@deferred(timeout=5)
def test_mib_query_ok_if_dev_started(self):
self.setup_one_of_each()
onu_device = self.agent.add_device(DEFAULT_ONU_DEVICE_ID,
self.adapter_agent)
self.assertIsNotNone(onu_device)
self.assertEqual(len(self.agent.device_ids()), 1)
self.assertEqual(self.agent.get_device(DEFAULT_ONU_DEVICE_ID), onu_device)
def not_called(_reason):
onu_device.stop()
assert False, 'Should never be called'
def check_status(_results):
# Device started. Query will succeed but nothing should be populated
# but the most basic items
results = onu_device.query_mib()
self.assertTrue(isinstance(results, dict))
self.assertEqual(results.get(DEVICE_ID_KEY), DEFAULT_ONU_DEVICE_ID)
self.assertIsNotNone(results.get(VERSION_KEY))
self.assertIsNotNone(results.get(CREATED_KEY))
self.assertIsNone(results.get(MODIFIED_KEY)) # Created! but not yet modified
self.assertEqual(results.get(MDS_KEY), 0)
self.assertIsNone(results.get(LAST_SYNC_KEY))
self.assertIsNone(results.get(CLASS_ID_KEY))
# Stopping still allows a query. Note you just delete a device
# to clean up any associated databases
onu_device.stop()
results = onu_device.query_mib()
self.assertTrue(isinstance(results, dict))
# Yield context so that MIB Database callLater runs. This is a waiting
# Async task from when the OpenOMCIAgent was started. But also start the
# device so that it's queued async state machines can run as well
onu_device.start()
d = asleep(0.2)
d.addCallbacks(check_status, not_called)
return d
@deferred(timeout=5)
def test_delete_scrubs_mib(self):
self.setup_one_of_each()
onu_device = self.agent.add_device(DEFAULT_ONU_DEVICE_ID,
self.adapter_agent)
self.assertIsNotNone(onu_device)
self.assertEqual(len(self.agent.device_ids()), 1)
self.assertEqual(self.agent.get_device(DEFAULT_ONU_DEVICE_ID), onu_device)
def not_called(_reason):
onu_device.stop()
assert False, 'Should never be called'
def check_status(_results):
# Device started. Query will succeed but nothing should be populated
# but the most basic items
results = onu_device.query_mib()
self.assertTrue(isinstance(results, dict))
self.assertEqual(results.get(DEVICE_ID_KEY), DEFAULT_ONU_DEVICE_ID)
# Delete should wipe out any MIB data. Note that a delete of a started
# or stopped ONU device is allowed. In this case we are deleting a
# started ONU Device
onu_device.delete()
assert_raises(Exception, onu_device.query_mib)
# TODO: When capabilities are supported, make sure capabilities get cleared as well
# Yield context so that MIB Database callLater runs. This is a waiting
# Async task from when the OpenOMCIAgent was started. But also start the
# device so that it's queued async state machines can run as well
onu_device.start()
d = asleep(0.2)
d.addCallbacks(check_status, not_called)
return d
# TODO: Test pub/sub interface if possible
# TODO: Test custom/vendor-specific ME support
# TODO: Test override of various state machines or OMCI tasks if possible
if __name__ == '__main__':
main()