from unittest import TestCase
from pathlib import Path
from geometry.geometry_factory import GeometryFactory
from physics.physics_factory import PhysicsFactory


class TestPhysicsFactory(TestCase):
  def setUp(self) -> None:
    self._city_gml = None
    self._nyc_with_physics = None
    self._example_path = (Path(__file__).parent.parent / 'tests_data').resolve()

  def get_citygml(self):
    if self._city_gml is None:
      file_path = (self._example_path / 'buildings.gml').resolve()
      self._city_gml = GeometryFactory('citygml', file_path).city
      self.assertIsNotNone(self._city_gml, 'city is none')
    return self._city_gml

  def get_city_with_physics(self):
    if self._nyc_with_physics is None:
      self._nyc_with_physics = self.get_citygml()
      PhysicsFactory('us_new_york_city', self._nyc_with_physics, base_path=self._example_path)
    return self._nyc_with_physics

  def test_city_with_physics(self):
    city = self.get_city_with_physics()