# This file was generated with the assistance of an AI coding tool.

import ifcopenshell

import ifcopenshell.api.aggregate

import ifcopenshell.api.owner.settings

import ifcopenshell.api.project

import ifcopenshell.api.root

import ifcopenshell.api.spatial

import ifcopenshell.api.unit

import pytest

@pytest.fixture

def model():

"""Create an IFC4 model with a spatial hierarchy and a wall."""

f = ifcopenshell.api.project.create_file()

ifcopenshell.api.owner.settings.get_user = lambda ifc: (ifc.by_type("IfcPersonAndOrganization") or [None])[0]

ifcopenshell.api.owner.settings.get_application = lambda ifc: (ifc.by_type("IfcApplication") or [None])[0]

project = ifcopenshell.api.root.create_entity(f, ifc_class="IfcProject", name="TestProject")

ifcopenshell.api.unit.assign_unit(f)

site = ifcopenshell.api.root.create_entity(f, ifc_class="IfcSite", name="TestSite")

building = ifcopenshell.api.root.create_entity(f, ifc_class="IfcBuilding", name="TestBuilding")

storey = ifcopenshell.api.root.create_entity(f, ifc_class="IfcBuildingStorey", name="Ground Floor")

ifcopenshell.api.aggregate.assign_object(f, products=[site], relating_object=project)

ifcopenshell.api.aggregate.assign_object(f, products=[building], relating_object=site)

ifcopenshell.api.aggregate.assign_object(f, products=[storey], relating_object=building)

wall = ifcopenshell.api.root.create_entity(f, ifc_class="IfcWall", name="Wall001")

ifcopenshell.api.spatial.assign_container(f, products=[wall], relating_structure=storey)

slab = ifcopenshell.api.root.create_entity(f, ifc_class="IfcSlab", name="Slab001")

ifcopenshell.api.spatial.assign_container(f, products=[slab], relating_structure=storey)

return f