mirror of
https://github.com/Telecominfraproject/oopt-gnpy.git
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7a1b15a916
Signed-off-by: EstherLerouzic <esther.lerouzic@orange.com> Change-Id: Ifdd6a566fda74c5b7d417f9d61c51d4d3da07bfd
143 lines
6.5 KiB
Python
143 lines
6.5 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# SPDX-License-Identifier: BSD-3-Clause
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# test_path_computation_functions
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# Copyright (C) 2025 Telecom Infra Project and GNPy contributors
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# see AUTHORS.rst for a list of contributors
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"""
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test path computation functions
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"""
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from pathlib import Path
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import pytest
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from gnpy.core.network import build_network
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from gnpy.core.utils import lin2db, automatic_nch
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from gnpy.topology.request import explicit_path
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from gnpy.topology.spectrum_assignment import build_oms_list
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from gnpy.tools.json_io import load_equipment, load_network, requests_from_json
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TEST_DIR = Path(__file__).parent
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DATA_DIR = TEST_DIR / 'data'
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EQPT_FILENAME = DATA_DIR / 'eqpt_config.json'
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NETWORK_FILENAME = DATA_DIR / 'testTopology_auto_design_expected.json'
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SERVICE_FILENAME = DATA_DIR / 'testTopology_services_expected.json'
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EXTRA_CONFIGS = {"std_medium_gain_advanced_config.json": DATA_DIR / "std_medium_gain_advanced_config.json",
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"Juniper-BoosterHG.json": DATA_DIR / "Juniper-BoosterHG.json"}
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equipment = load_equipment(EQPT_FILENAME, EXTRA_CONFIGS)
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@pytest.fixture()
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def setup_without_oms():
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""" common setup for tests: builds network, equipment and oms only once
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"""
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network = load_network(NETWORK_FILENAME, equipment)
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spectrum = equipment['SI']['default']
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p_db = spectrum.power_dbm
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p_total_db = p_db + lin2db(automatic_nch(spectrum.f_min, spectrum.f_max, spectrum.spacing))
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build_network(network, equipment, p_db, p_total_db)
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return network
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def some_request(explicit_route):
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"""Create a request with an explicit route
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"""
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route = {
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"route-object-include-exclude": [
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{
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"explicit-route-usage": "route-include-ero",
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"index": i,
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"num-unnum-hop": {
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"node-id": node_id,
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"link-tp-id": "link-tp-id is not used",
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"hop-type": "STRICT"
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}
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} for i, node_id in enumerate(explicit_route)
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]
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}
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return {
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"path-request": [{
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"request-id": "2",
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"source": explicit_route[0],
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"destination": explicit_route[-1],
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"src-tp-id": explicit_route[0],
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"dst-tp-id": explicit_route[-1],
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"bidirectional": False,
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"path-constraints": {
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"te-bandwidth": {
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"technology": "flexi-grid",
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"trx_type": "Voyager",
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"trx_mode": "mode 1",
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"spacing": 75000000000.0,
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"path_bandwidth": 100000000000.0
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}
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},
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"explicit-route-objects": route}
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]
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}
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@pytest.mark.parametrize('setup', ["with_oms", "without_oms"])
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@pytest.mark.parametrize('explicit_route, expected_path', [
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(['trx Brest_KLA', 'trx Vannes_KBE'], None),
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# path contains one element per oms
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(['trx Brest_KLA', 'east edfa in Brest_KLA to Morlaix', 'trx Lannion_CAS'],
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['trx Brest_KLA', 'roadm Brest_KLA', 'east edfa in Brest_KLA to Morlaix', 'fiber (Brest_KLA → Morlaix)-F060',
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'east fused spans in Morlaix', 'fiber (Morlaix → Lannion_CAS)-F059', 'west edfa in Lannion_CAS to Morlaix',
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'roadm Lannion_CAS', 'trx Lannion_CAS']),
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# path contains several elements per oms
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(['trx Brest_KLA', 'east edfa in Brest_KLA to Morlaix', 'west edfa in Lannion_CAS to Morlaix',
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'roadm Lannion_CAS', 'trx Lannion_CAS'],
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['trx Brest_KLA', 'roadm Brest_KLA', 'east edfa in Brest_KLA to Morlaix', 'fiber (Brest_KLA → Morlaix)-F060',
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'east fused spans in Morlaix', 'fiber (Morlaix → Lannion_CAS)-F059', 'west edfa in Lannion_CAS to Morlaix',
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'roadm Lannion_CAS', 'trx Lannion_CAS']),
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# path contains all elements
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(['trx Brest_KLA', 'roadm Brest_KLA', 'east edfa in Brest_KLA to Morlaix', 'fiber (Brest_KLA → Morlaix)-F060',
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'east fused spans in Morlaix', 'fiber (Morlaix → Lannion_CAS)-F059', 'west edfa in Lannion_CAS to Morlaix',
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'roadm Lannion_CAS', 'trx Lannion_CAS'],
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['trx Brest_KLA', 'roadm Brest_KLA', 'east edfa in Brest_KLA to Morlaix', 'fiber (Brest_KLA → Morlaix)-F060',
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'east fused spans in Morlaix', 'fiber (Morlaix → Lannion_CAS)-F059', 'west edfa in Lannion_CAS to Morlaix',
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'roadm Lannion_CAS', 'trx Lannion_CAS']),
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# path conteains element for only 1 oms (2 oms path)
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(['trx Brest_KLA', 'east edfa in Brest_KLA to Morlaix', 'trx Rennes_STA'], None),
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# path contains roadm edges for all OMS, but no element of the OMS
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(['trx Brest_KLA', 'roadm Brest_KLA', 'roadm Lannion_CAS', 'trx Lannion_CAS'], None),
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# path contains one element for all 3 OMS
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(['trx Brest_KLA', 'east edfa in Brest_KLA to Morlaix', 'east edfa in Lannion_CAS to Corlay',
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'east edfa in Lorient_KMA to Vannes_KBE', 'trx Vannes_KBE'],
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['trx Brest_KLA', 'roadm Brest_KLA', 'east edfa in Brest_KLA to Morlaix', 'fiber (Brest_KLA → Morlaix)-F060',
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'east fused spans in Morlaix', 'fiber (Morlaix → Lannion_CAS)-F059', 'west edfa in Lannion_CAS to Morlaix',
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'roadm Lannion_CAS', 'east edfa in Lannion_CAS to Corlay', 'fiber (Lannion_CAS → Corlay)-F061',
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'west fused spans in Corlay', 'fiber (Corlay → Loudeac)-F010', 'west fused spans in Loudeac',
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'fiber (Loudeac → Lorient_KMA)-F054', 'west edfa in Lorient_KMA to Loudeac', 'roadm Lorient_KMA',
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'east edfa in Lorient_KMA to Vannes_KBE', 'fiber (Lorient_KMA → Vannes_KBE)-F055',
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'west edfa in Vannes_KBE to Lorient_KMA', 'roadm Vannes_KBE', 'trx Vannes_KBE'])])
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def test_explicit_path(setup, setup_without_oms, explicit_route, expected_path):
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"""tests that explicit path correctly returns the full path if it is possible else that it returns None
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"""
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network = setup_without_oms
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if setup == "with_oms":
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# OMS are initiated in elements, so that explicit path can be verified
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build_oms_list(network, equipment)
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else:
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# OMS are not initiated, explicit path can not be computed.
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expected_path = None
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json_data = some_request(explicit_route)
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[req] = requests_from_json(json_data, equipment)
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node_list = []
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for node in req.nodes_list:
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node_list.append(next(el for el in network if el.uid == node))
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source = node_list[0]
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destination = node_list[-1]
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if expected_path is None:
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assert explicit_path(node_list, source, destination, network) is None
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else:
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actual_path = [e.uid for e in explicit_path(node_list, source, destination, network)]
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assert actual_path == expected_path
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