"""Test the loading and saving of interactions parameters in XML format."""
# Copyright 2025 Institute of Light and Matter, CNRS UMR 5306, University Claude Bernard Lyon 1
# Contributors: Oscar DUFOUR, Maxime STAPELLE, Alexandre NICOLAS
# This software is a computer program designed to generate a realistic crowd from anthropometric data and
# simulate the mechanical interactions that occur within it and with obstacles.
# This software is governed by the CeCILL-B license under French law and abiding by the rules of distribution
# of free software. You can use, modify and/ or redistribute the software under the terms of the CeCILL-B
# license as circulated by CEA, CNRS and INRIA at the following URL "http://www.cecill.info".
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from pathlib import Path
import pytest
import configuration.backup.crowd_to_dict as fun_dict
import configuration.backup.dict_to_xml_and_reverse as fun_xml
from configuration.models.crowd import Crowd
[docs]
@pytest.fixture
def crowd(request: pytest.FixtureRequest) -> Crowd:
"""
Fixture creating Crowd instances with parameterized agent counts and packing states.
Parameters
----------
request : pytest.FixtureRequest
Contains tuple of (agent_count, should_pack) parameters.
Returns
-------
Crowd
Configured instance with agents and optional force packing.
"""
agent_count, should_pack = request.param
c = Crowd()
c.create_agents(number_agents=agent_count)
if should_pack:
c.pack_agents_with_forces()
return c
[docs]
@pytest.mark.parametrize(
"crowd", [(1, True), (1, False), (3, True), (3, False)], indirect=True, ids=["1_packed", "1_unpacked", "3_packed", "3_unpacked"]
)
def test_interactions_dict_xml_roundtrip(crowd: Crowd, tmp_path: Path) -> None:
"""
Test the loading and saving of interactions parameters in XML format.
There are 4 scenarios:
- 1 agent (packed/unpacked)
- 3 agents (packed/unpacked)
Parameters
----------
crowd : Crowd
The crowd fixture with agents and optional packing.
tmp_path : Path
Temporary directory for XML file storage.
"""
# Original test logic remains unchanged
interactions_dict = fun_dict.get_interactions_params(crowd)
interactions_bytes = fun_xml.interactions_dict_to_xml(interactions_dict)
xml_file = tmp_path / "test_interactions.xml"
xml_file.write_bytes(interactions_bytes)
content = xml_file.read_bytes()
interactions_dict_new = fun_xml.interactions_xml_to_dict(content)
assert interactions_dict_new == interactions_dict, (
f"Data mismatch for {len(crowd.agents)} agents {'packed' if hasattr(crowd, 'packed_forces') else 'unpacked'}"
)