geom/test/test_perf_01.py

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from contextlib import contextmanager
from datetime import datetime, timedelta
from inspect import getfile
from os.path import abspath, dirname, join
from unittest import TestCase, main
import salome
salome.salome_init_without_session()
from salome.geom import geomBuilder
geom_builder = geomBuilder.New()
data_dir = abspath(join(dirname(getfile(lambda: None)), 'data'))
@contextmanager
def no_longer_than(seconds):
"""
Context mananger to check that an execution of given code does not
exceed maximum expected time.
Example of usage:
with wait(5):
do_something_that_should_take_no_more_than_five_seconds()
Arguments:
seconds: max time limit
Raises:
AssertionError: if time limit is exceeded.
"""
expected = timedelta(seconds=seconds)
start = datetime.now()
yield
end = datetime.now()
spent = end-start
assert spent <= expected, f'Expected maximum delay is exceeded: {spent.total_seconds():.2f} > {seconds:.2f}!'
class TesselationTest(TestCase):
"""Test Tesselate() method."""
def test_performance_01(self):
"""Check performance of Tesselate() method: case 01."""
shape = geom_builder.ImportBREP(join(data_dir, 'test_performance_01.brep'))
with no_longer_than(5):
geom_builder.Tesselate(shape, 0.17, False, 20)
if __name__ == "__main__":
main()