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https://github.com/Telecominfraproject/oopt-gnpy.git
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c4235fa61c
make sure that their loss is not concatenated Signed-off-by: EstherLerouzic <esther.lerouzic@orange.com> Change-Id: I63678dd5b72f7f6984101c4367320f3f981cb573
65 lines
1.8 KiB
Python
65 lines
1.8 KiB
Python
# SPDX-License-Identifier: BSD-3-Clause
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#
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# Copyright (C) 2020 Telecom Infra Project and GNPy contributors
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# see LICENSE.md for a list of contributors
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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.exceptions import NetworkTopologyError
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from gnpy.core.network import span_loss
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from gnpy.tools.json_io import load_equipment, load_network
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TEST_DIR = Path(__file__).parent
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EQPT_FILENAME = TEST_DIR / 'data/eqpt_config.json'
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NETWORK_FILENAME = TEST_DIR / 'data/bugfixiteratortopo.json'
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@pytest.mark.parametrize("node, attenuation", [
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# first fiber span
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['fiber1', 10.5],
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['fiber2', 10.5],
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['fused1', 10.5],
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# second span
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['fiber3', 16.0],
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# third span
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['fiber4', 16.0],
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# direct link between a ROADM and an amplifier
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['fused5', 0],
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# fourth span
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['fiber6', 17],
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['fused7', 17],
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# fifth span
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['fiber7', 0.2],
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['fiber8', 12],
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# all other nodes
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['Site_A', 0],
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['nodeA', 0],
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['amp2', 0],
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['nodeC', 0],
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['Site_C', 0],
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['amp3', 0],
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['amp4', 0],
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['nodeB', 0],
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['Site_B', 0],
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])
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def test_span_loss(node, attenuation):
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equipment = load_equipment(EQPT_FILENAME)
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network = load_network(NETWORK_FILENAME, equipment)
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for x in network.nodes():
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if x.uid == node:
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assert attenuation == span_loss(network, x)
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return
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assert not f'node "{node}" referenced from test but not found in the topology' # pragma: no cover
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@pytest.mark.parametrize("node", ['fused4'])
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def test_span_loss_unconnected(node):
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'''Fused node that has no next and no previous nodes should be detected'''
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equipment = load_equipment(EQPT_FILENAME)
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network = load_network(NETWORK_FILENAME, equipment)
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x = next(x for x in network.nodes() if x.uid == node)
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with pytest.raises(NetworkTopologyError):
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span_loss(network, x)
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