IfcOpenShell/src/ifcopenshell-python/test/util/test_element.py

# IfcOpenShell - IFC toolkit and geometry engine
# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
#
# This file is part of IfcOpenShell.
#
# IfcOpenShell is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# IfcOpenShell is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.

import pytest
import test.bootstrap
import ifcopenshell.api
import ifcopenshell.util.element as subject


class TestGetPsetIFC4(test.bootstrap.IFC4):
    def test_getting_the_psets_of_a_product_as_a_dictionary(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        assert subject.get_pset(element, "name") is None
        assert subject.get_pset(element, "name", "a") is None
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": "b"})
        assert subject.get_pset(element, "name") == {"a": "b", "id": pset.id()}
        assert subject.get_pset(element, "name", "a") == "b"
        assert subject.get_pset(element, "name", "a", verbose=True) == {
            "id": 4,
            "class": "IfcPropertySingleValue",
            "value": "b",
        }

    def test_getting_the_psets_of_a_product_type_as_a_dictionary(self):
        type_element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        foo = subject.get_pset(type_element, "name") is None
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=type_element, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"x": "y"})
        assert subject.get_pset(type_element, "name") == {"x": "y", "id": pset.id()}
        assert subject.get_pset(type_element, "name", verbose=True) == {
            "x": {
                "id": 3,
                "class": "IfcPropertySingleValue",
                "value": "y",
            },
            "id": pset.id(),
        }

    def test_getting_inherited_psets(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        type_element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=type_element)
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=type_element, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": 1, "x": 1})
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": 2, "b": 3})
        result = subject.get_pset(element, "name")
        assert result["id"] == pset.id()
        assert result["a"] == 2
        assert result["x"] == 1
        assert result["b"] == 3
        assert subject.get_pset(element, "name", "a") == 2
        assert subject.get_pset(element, "name", "x") == 1
        assert subject.get_pset(element, "name", "b") == 3
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=type_element, name="name2")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"z": False})
        assert subject.get_pset(element, "name2", "z") is False

        # test filters with inherited psets
        assert subject.get_pset(element, "name", psets_only=True) == result
        assert subject.get_pset(element, "name", qtos_only=True) == None

    def test_excluding_inherited_psets(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        type_element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=type_element)
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=type_element, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": 1, "x": 1})
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": 2, "b": 3})
        result = subject.get_pset(element, "name", should_inherit=False)
        assert result["id"] == pset.id()
        assert result["a"] == 2
        assert result["b"] == 3
        assert "x" not in result
        assert subject.get_pset(element, "name", "a") == 2
        assert subject.get_pset(element, "name", "b") == 3

    def test_getting_the_psets_of_a_material_as_a_dictionary(self):
        material = self.file.createIfcMaterial()
        assert subject.get_pset(material, "name") is None
        assert subject.get_pset(material, "name", "x") is None
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=material, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"x": "y"})
        assert subject.get_pset(material, "name") == {"x": "y", "id": pset.id()}
        assert subject.get_pset(material, "name", "x") == "y"

    def test_getting_the_psets_of_a_profile_as_a_dictionary(self):
        profile = self.file.createIfcCircleProfileDef()
        assert subject.get_pset(profile, "name") is None
        assert subject.get_pset(profile, "name", "x") is None
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=profile, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"x": "y"})
        assert subject.get_pset(profile, "name") == {"x": "y", "id": pset.id()}
        assert subject.get_pset(profile, "name", "x") == "y"

    def test_getting_psets_from_an_element_which_cannot_have_psets(self):
        assert subject.get_pset(self.file.create_entity("IfcPerson"), "name") is None
        assert subject.get_pset(self.file.create_entity("IfcPerson"), "name", "a") is None


class TestGetPsetsIFC4(test.bootstrap.IFC4):
    def test_getting_the_psets_of_a_product_as_a_dictionary(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        assert subject.get_psets(element) == {}
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": "b"})
        assert subject.get_psets(element) == {"name": {"a": "b", "id": pset.id()}}

    def test_getting_the_psets_of_a_product_type_as_a_dictionary(self):
        type_element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        assert subject.get_psets(type_element) == {}
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=type_element, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"x": "y"})
        assert subject.get_psets(type_element) == {"name": {"x": "y", "id": pset.id()}}

    def test_getting_inherited_psets(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        type_element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=type_element)
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=type_element, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": 1, "x": 1})
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": 2, "b": 3})
        psets = subject.get_psets(element)
        assert psets["name"]["id"] == pset.id()
        assert psets["name"]["a"] == 2
        assert psets["name"]["x"] == 1
        assert psets["name"]["b"] == 3

    def test_getting_the_psets_of_a_material_as_a_dictionary(self):
        material = self.file.createIfcMaterial()
        assert subject.get_psets(material) == {}
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=material, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"x": "y"})
        assert subject.get_psets(material) == {"name": {"x": "y", "id": pset.id()}}

    def test_getting_the_psets_of_a_profile_as_a_dictionary(self):
        profile = self.file.createIfcCircleProfileDef()
        assert subject.get_psets(profile) == {}
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=profile, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"x": "y"})
        assert subject.get_psets(profile) == {"name": {"x": "y", "id": pset.id()}}

    def test_getting_psets_from_an_element_which_cannot_have_psets(self):
        assert subject.get_psets(self.file.create_entity("IfcPerson")) == {}

    def test_only_getting_psets_and_not_qtos(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="pset")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": "b"})
        qto = ifcopenshell.api.run("pset.add_qto", self.file, product=element, name="qto")
        ifcopenshell.api.run("pset.edit_qto", self.file, qto=qto, properties={"x": 42})
        assert subject.get_psets(element, psets_only=True) == {"pset": {"a": "b", "id": pset.id()}}

    def test_only_getting_qtos_and_not_psets(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="pset")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": "b"})
        qto = ifcopenshell.api.run("pset.add_qto", self.file, product=element, name="qto")
        ifcopenshell.api.run("pset.edit_qto", self.file, qto=qto, properties={"x": 42})
        assert subject.get_psets(element, qtos_only=True) == {"qto": {"x": 42, "id": qto.id()}}


class TestGetPropertyDefinitionIFC4(test.bootstrap.IFC4):
    def test_getting_the_properties_of_a_pset(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": "b"})
        assert subject.get_property_definition(pset) == {"a": "b", "id": pset.id()}

    def test_getting_the_properties_of_a_qto(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        qto = ifcopenshell.api.run("pset.add_qto", self.file, product=element, name="name")
        ifcopenshell.api.run("pset.edit_qto", self.file, qto=qto, properties={"x": 42})
        assert subject.get_property_definition(qto) == {"x": 42, "id": qto.id()}

    def test_getting_the_properties_of_a_material_property(self):
        pset = self.file.createIfcMaterialProperties()
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": "b"})
        assert subject.get_property_definition(pset) == {"a": "b", "id": pset.id()}

    def test_getting_the_properties_of_a_profile_property(self):
        pset = self.file.createIfcProfileProperties()
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": "b"})
        assert subject.get_property_definition(pset) == {"a": "b", "id": pset.id()}

    def test_getting_the_properties_of_a_predefined_pset(self):
        pset = self.file.create_entity("IfcDoorLiningProperties", ifcopenshell.guid.new())
        pset.LiningDepth = 42
        assert subject.get_property_definition(pset) == {"LiningDepth": 42, "id": pset.id()}


class TestGetQuantitiesIFC4(test.bootstrap.IFC4):
    def test_getting_quantities_from_a_qto(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        qto = ifcopenshell.api.run("pset.add_qto", self.file, product=element, name="name")
        ifcopenshell.api.run("pset.edit_qto", self.file, qto=qto, properties={"x": 42})
        assert subject.get_quantities(qto.Quantities) == {"x": 42}


class TestGetPropertiesIFC4(test.bootstrap.IFC4):
    def test_getting_no_properties_when_none_are_available(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="name")
        assert subject.get_properties(pset.HasProperties) == {}

    def test_getting_single_properties_from_a_list_of_properties(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=pset, properties={"a": "b"})
        assert subject.get_properties(pset.HasProperties) == {"a": "b"}

    def test_getting_complex_properties_from_a_list_of_properties(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        pset = ifcopenshell.api.run("pset.add_pset", self.file, product=element, name="pset")
        complex_property = self.file.createIfcComplexProperty(Name="prop", UsageName="usage_name")
        ifcopenshell.api.run("pset.edit_pset", self.file, pset=complex_property, properties={"a": "b"})
        pset.HasProperties = [complex_property]
        assert subject.get_properties(pset.HasProperties) == {
            "prop": {
                "UsageName": "usage_name",
                "id": 4,
                "type": "IfcComplexProperty",
                "properties": {"a": "b"},
            }
        }


class TestGetPredefinedTypeIFC4(test.bootstrap.IFC4):
    def test_getting_an_element_predefined_type(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element.PredefinedType = "PARTITIONING"
        assert subject.get_predefined_type(element) == "PARTITIONING"

    def test_getting_an_element_userdefined_type(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element.PredefinedType = "USERDEFINED"
        element.ObjectType = "FOOBAR"
        assert subject.get_predefined_type(element) == "FOOBAR"

    def test_getting_an_element_type_without_a_predefined_type_attribute(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcAnnotation")
        element.ObjectType = "FOOBAR"
        assert subject.get_predefined_type(element) == "FOOBAR"

    def test_getting_an_inherited_predefined_type(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=element_type)
        element_type.PredefinedType = "PARTITIONING"
        assert subject.get_predefined_type(element) == "PARTITIONING"

    def test_getting_an_inherited_userdefined_type_for_an_element_type(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=element_type)
        element_type.PredefinedType = "USERDEFINED"
        element_type.ElementType = "FOOBAR"
        assert subject.get_predefined_type(element) == "FOOBAR"

    def test_getting_an_overriden_predefined_type(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=element_type)
        element_type.PredefinedType = "NOTDEFINED"
        element.PredefinedType = "PARTITIONING"
        assert subject.get_predefined_type(element) == "PARTITIONING"

    def test_getting_an_inherited_userdefined_type_for_a_process_type(self):
        element = ifcopenshell.api.run("sequence.add_task", self.file)
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcTaskType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=element_type)
        element_type.PredefinedType = "USERDEFINED"
        element_type.ProcessType = "FOOBAR"
        assert subject.get_predefined_type(element) == "FOOBAR"

    def test_getting_an_element_type_predefined_type(self):
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        element_type.PredefinedType = "PARTITIONING"
        assert subject.get_predefined_type(element_type) == "PARTITIONING"

    def test_getting_an_element_type_null_predefined_type(self):
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        element_type.PredefinedType = "NOTDEFINED"
        assert subject.get_predefined_type(element_type) == "NOTDEFINED"


class TestGetTypeIFC4(test.bootstrap.IFC4):
    def test_getting_the_type_of_a_product(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=element_type)
        assert subject.get_type(element) == element_type
        assert subject.get_type(element_type) == element_type


class TestGetTypeIFC2X3(test.bootstrap.IFC2X3, TestGetTypeIFC4):
    pass


class TestGetTypes(test.bootstrap.IFC4):
    def test_getting_the_type_of_a_product(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=element_type)
        assert subject.get_types(element_type) == (element,)


class TestGetTypesIFC2X3(test.bootstrap.IFC2X3, TestGetTypes):
    pass


class TestGetShapeAspects(test.bootstrap.IFC4):
    def test_getting_the_shape_aspects_of_a_product_type(self):
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        shape_aspect = self.file.createIfcShapeAspect()
        representation_map = self.file.createIfcRepresentationMap()
        element_type.RepresentationMaps = (representation_map,)
        shape_aspect.PartOfProductDefinitionShape = representation_map
        assert tuple(subject.get_shape_aspects(element_type)) == (shape_aspect,)

    def test_getting_the_shape_aspects_of_a_product(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        shape_aspect = self.file.createIfcShapeAspect()
        product_shape = self.file.createIfcProductDefinitionShape()
        element.Representation = product_shape
        shape_aspect.PartOfProductDefinitionShape = product_shape
        assert tuple(subject.get_shape_aspects(element)) == (shape_aspect,)


class TestGetMaterial(test.bootstrap.IFC4):
    def test_getting_the_material_of_a_product(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        material = ifcopenshell.api.run("material.add_material", self.file)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element], material=material)
        assert subject.get_material(element) == material

    def test_getting_a_material_list_of_a_product(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        material = ifcopenshell.api.run("material.add_material", self.file)
        rel = ifcopenshell.api.run(
            "material.assign_material", self.file, products=[element], type="IfcMaterialList", material=material
        )
        assert subject.get_material(element) == rel.RelatingMaterial

    def test_getting_a_material_layer_set_of_a_product(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        rel = ifcopenshell.api.run(
            "material.assign_material", self.file, products=[element], type="IfcMaterialLayerSet"
        )
        assert subject.get_material(element) == rel.RelatingMaterial

    def test_getting_a_material_profile_set_of_a_product(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        rel = ifcopenshell.api.run(
            "material.assign_material", self.file, products=[element], type="IfcMaterialProfileSet"
        )
        assert subject.get_material(element) == rel.RelatingMaterial

    def test_getting_a_material_layer_set_usage_of_a_product(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        rel = ifcopenshell.api.run(
            "material.assign_material", self.file, products=[element], type="IfcMaterialLayerSetUsage"
        )
        assert subject.get_material(element) == rel.RelatingMaterial

    def test_getting_a_material_profile_set_usage_of_a_product(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        rel = ifcopenshell.api.run(
            "material.assign_material", self.file, products=[element], type="IfcMaterialProfileSetUsage"
        )
        assert subject.get_material(element) == rel.RelatingMaterial

    def test_getting_a_material_layer_set_indirectly_from_an_assigned_usage(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        rel = ifcopenshell.api.run(
            "material.assign_material", self.file, products=[element], type="IfcMaterialLayerSetUsage"
        )
        assert subject.get_material(element, should_skip_usage=True) == rel.RelatingMaterial.ForLayerSet

    def test_getting_a_material_profile_set_indirectly_from_an_assigned_usage(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        rel = ifcopenshell.api.run(
            "material.assign_material", self.file, products=[element], type="IfcMaterialProfileSetUsage"
        )
        assert subject.get_material(element, should_skip_usage=True) == rel.RelatingMaterial.ForProfileSet

    def test_getting_an_inherited_material_from_the_elements_type(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=element_type)
        material = ifcopenshell.api.run("material.add_material", self.file)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element_type], material=material)
        assert subject.get_material(element) == material

    def test_getting_an_overridden_material_from_the_elements_occurrence(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=element_type)
        material = ifcopenshell.api.run("material.add_material", self.file)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element_type], material=material)
        material = ifcopenshell.api.run("material.add_material", self.file)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element], material=material)
        assert subject.get_material(element) == material

    def test_getting_direct_materials_without_checking_inheritance(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=element_type)
        material = ifcopenshell.api.run("material.add_material", self.file)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element_type], material=material)
        assert subject.get_material(element, should_inherit=False) is None


class TestGetMaterials(test.bootstrap.IFC4):
    def test_getting_the_materials_of_a_product(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        material = ifcopenshell.api.run("material.add_material", self.file)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element], material=material)
        assert subject.get_materials(element) == [material]


class TestGetStyles(test.bootstrap.IFC4):
    def test_getting_the_styles_of_a_product(self):
        ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcProject")
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        assert subject.get_styles(element) == []

        model = ifcopenshell.api.run("context.add_context", self.file, context_type="Model")
        body = ifcopenshell.api.run(
            "context.add_context",
            self.file,
            context_type="Model",
            context_identifier="Body",
            target_view="MODEL_VIEW",
            parent=model,
        )

        material = ifcopenshell.api.run("material.add_material", self.file)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element], material=material)

        style = ifcopenshell.api.run("style.add_style", self.file)
        ifcopenshell.api.run(
            "style.add_surface_style",
            self.file,
            style=style,
            ifc_class="IfcSurfaceStyleShading",
            attributes={
                "SurfaceColour": {"Name": None, "Red": 1.0, "Green": 0.8, "Blue": 0.8},
                "Transparency": 0.0,  # 0 is opaque, 1 is transparent
            },
        )
        ifcopenshell.api.run("style.assign_material_style", self.file, material=material, style=style, context=body)

        assert subject.get_styles(element) == [style]

        style2 = ifcopenshell.api.run("style.add_style", self.file)
        ifcopenshell.api.run(
            "style.add_surface_style",
            self.file,
            style=style2,
            ifc_class="IfcSurfaceStyleShading",
            attributes={
                "SurfaceColour": {"Name": None, "Red": 1.0, "Green": 0.8, "Blue": 0.8},
                "Transparency": 0.0,  # 0 is opaque, 1 is transparent
            },
        )

        representation = ifcopenshell.api.run(
            "geometry.add_wall_representation", self.file, context=body, length=5, height=3, thickness=0.118
        )

        ifcopenshell.api.run(
            "geometry.assign_representation", self.file, product=element, representation=representation
        )
        ifcopenshell.api.run(
            "style.assign_representation_styles", self.file, shape_representation=representation, styles=[style2]
        )

        assert subject.get_styles(element) == [style, style2]


class TestGetElementsByMaterial(test.bootstrap.IFC4):
    def test_getting_elements_of_a_material(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        material = ifcopenshell.api.run("material.add_material", self.file)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element], material=material)
        assert subject.get_elements_by_material(self.file, material) == {element}

    def test_getting_elements_of_a_material_layer_set(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=element_type)
        material = ifcopenshell.api.run("material.add_material", self.file)
        material_set = ifcopenshell.api.run("material.add_material_set", self.file, set_type="IfcMaterialLayerSet")
        ifcopenshell.api.run("material.add_layer", self.file, layer_set=material_set, material=material)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element_type], material=material_set)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element], type="IfcMaterialLayerSetUsage")
        usage = self.file.by_type("IfcMaterialLayerSetUsage")[0]
        assert subject.get_elements_by_material(self.file, material) == {element, element_type}
        assert subject.get_elements_by_material(self.file, material_set) == {element, element_type}
        assert subject.get_elements_by_material(self.file, usage) == {element}

    def test_getting_elements_of_a_material_profile_set(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element_type = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        ifcopenshell.api.run("type.assign_type", self.file, related_objects=[element], relating_type=element_type)
        material = ifcopenshell.api.run("material.add_material", self.file)
        material_set = ifcopenshell.api.run("material.add_material_set", self.file, set_type="IfcMaterialProfileSet")
        ifcopenshell.api.run("material.add_profile", self.file, profile_set=material_set, material=material)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element_type], material=material_set)
        ifcopenshell.api.run(
            "material.assign_material", self.file, products=[element], type="IfcMaterialProfileSetUsage"
        )
        usage = self.file.by_type("IfcMaterialProfileSetUsage")[0]
        assert subject.get_elements_by_material(self.file, material) == {element, element_type}
        assert subject.get_elements_by_material(self.file, material_set) == {element, element_type}
        assert subject.get_elements_by_material(self.file, usage) == {element}

    def test_getting_elements_of_a_material_constituent_set(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        material = ifcopenshell.api.run("material.add_material", self.file)
        material_set = ifcopenshell.api.run(
            "material.add_material_set", self.file, set_type="IfcMaterialConstituentSet"
        )
        ifcopenshell.api.run("material.add_constituent", self.file, constituent_set=material_set, material=material)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element], material=material_set)
        assert subject.get_elements_by_material(self.file, material) == {element}
        assert subject.get_elements_by_material(self.file, material_set) == {element}

    def test_getting_elements_of_a_material_list(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        material = ifcopenshell.api.run("material.add_material", self.file)
        material_set = ifcopenshell.api.run("material.add_material_set", self.file, set_type="IfcMaterialList")
        ifcopenshell.api.run("material.add_list_item", self.file, material_list=material_set, material=material)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element], material=material_set)
        assert subject.get_elements_by_material(self.file, material) == {element}
        assert subject.get_elements_by_material(self.file, material_set) == {element}


class TestGetElementsByStyle(test.bootstrap.IFC4):
    def test_getting_elements_of_a_styled_representation_item(self):
        element = self.file.createIfcWall()
        style = self.file.createIfcSurfaceStyle()
        item = self.file.createIfcExtrudedAreaSolid()
        self.file.createIfcStyledItem(Item=item, Styles=[style])
        element.Representation = self.file.createIfcProductDefinitionShape(
            Representations=[self.file.createIfcShapeRepresentation(Items=[item])]
        )
        assert subject.get_elements_by_style(self.file, style) == {element}

    def test_getting_elements_of_a_styled_mapped_representation_item(self):
        element = self.file.createIfcWall()
        style = self.file.createIfcSurfaceStyle()
        item = self.file.createIfcExtrudedAreaSolid()
        self.file.createIfcStyledItem(Item=item, Styles=[style])
        element.Representation = self.file.createIfcProductDefinitionShape(
            Representations=[
                self.file.createIfcShapeRepresentation(
                    Items=[
                        self.file.createIfcMappedItem(
                            MappingSource=self.file.createIfcRepresentationMap(
                                MappedRepresentation=self.file.createIfcShapeRepresentation(Items=[item])
                            )
                        )
                    ]
                )
            ]
        )
        assert subject.get_elements_by_style(self.file, style) == {element}

    def test_getting_type_elements_of_a_styled_mapped_representation_item(self):
        element = self.file.createIfcWallType()
        style = self.file.createIfcSurfaceStyle()
        item = self.file.createIfcExtrudedAreaSolid()
        self.file.createIfcStyledItem(Item=item, Styles=[style])
        element.RepresentationMaps = [
            self.file.createIfcRepresentationMap(
                MappedRepresentation=self.file.createIfcShapeRepresentation(Items=[item])
            )
        ]
        assert subject.get_elements_by_style(self.file, style) == {element}

    def test_getting_elements_of_a_styled_material(self):
        element = self.file.createIfcWall()
        material = ifcopenshell.api.run("material.add_material", self.file)
        ifcopenshell.api.run("material.assign_material", self.file, products=[element], material=material)
        style = self.file.createIfcSurfaceStyle()
        self.file.createIfcMaterialDefinitionRepresentation(
            RepresentedMaterial=material,
            Representations=[
                self.file.createIfcStyledRepresentation(Items=[self.file.createIfcStyledItem(Styles=[style])])
            ],
        )
        assert subject.get_elements_by_style(self.file, style) == {element}


class TestGetElementsByRepresentation(test.bootstrap.IFC4):
    def test_getting_elements_of_a_styled_representation_item(self):
        element = self.file.createIfcWall()
        representation = self.file.createIfcShapeRepresentation()
        element.Representation = self.file.createIfcProductDefinitionShape(Representations=[representation])
        assert subject.get_elements_by_representation(self.file, representation) == {element}

    def test_getting_elements_of_a_styled_mapped_representation_item(self):
        element = self.file.createIfcWall()
        representation = self.file.createIfcShapeRepresentation()
        element.Representation = self.file.createIfcProductDefinitionShape(
            Representations=[
                self.file.createIfcShapeRepresentation(
                    Items=[
                        self.file.createIfcMappedItem(
                            MappingSource=self.file.createIfcRepresentationMap(MappedRepresentation=representation)
                        )
                    ]
                )
            ]
        )
        assert subject.get_elements_by_representation(self.file, representation) == {element}

    def test_getting_type_elements_of_a_styled_mapped_representation_item(self):
        element = self.file.createIfcWallType()
        representation = self.file.createIfcShapeRepresentation()
        element.RepresentationMaps = [self.file.createIfcRepresentationMap(MappedRepresentation=representation)]
        assert subject.get_elements_by_representation(self.file, representation) == {element}


class TestGetElementsByLayer(test.bootstrap.IFC4):
    def test_getting_the_elements_of_a_layer(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        layer = ifcopenshell.api.run("layer.add_layer", self.file)
        representation = self.file.createIfcShapeRepresentation()
        element.Representation = self.file.createIfcProductDefinitionShape(Representations=[representation])
        ifcopenshell.api.run("layer.assign_layer", self.file, items=[representation], layer=layer)
        assert list(subject.get_elements_by_layer(self.file, layer)) == [element]


class TestGetlayersIFC2X3(test.bootstrap.IFC2X3):
    def test_getting_the_layer_of_a_product_item(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        layer = ifcopenshell.api.run("layer.add_layer", self.file)
        item = self.file.createIfcExtrudedAreaSolid()
        representation = self.file.createIfcShapeRepresentation(Items=[item])
        element.Representation = self.file.createIfcProductDefinitionShape(Representations=[representation])
        ifcopenshell.api.run("layer.assign_layer", self.file, items=[item], layer=layer)
        assert subject.get_layers(self.file, element) == [layer]

    def test_getting_the_layer_of_a_type_product_item(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        layer = ifcopenshell.api.run("layer.add_layer", self.file)
        item = self.file.createIfcExtrudedAreaSolid()
        representation = self.file.createIfcShapeRepresentation(Items=[item])
        element.RepresentationMaps = [self.file.createIfcRepresentationMap(MappedRepresentation=representation)]
        ifcopenshell.api.run("layer.assign_layer", self.file, items=[item], layer=layer)
        assert subject.get_layers(self.file, element) == [layer]


class TestGetlayers(test.bootstrap.IFC4, TestGetlayersIFC2X3):
    def test_getting_the_layer_of_a_product_representation(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        layer = ifcopenshell.api.run("layer.add_layer", self.file)
        representation = self.file.createIfcShapeRepresentation()
        element.Representation = self.file.createIfcProductDefinitionShape(Representations=[representation])
        ifcopenshell.api.run("layer.assign_layer", self.file, items=[representation], layer=layer)
        assert subject.get_layers(self.file, element) == [layer]

    def test_getting_the_layer_of_a_type_product_representation(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWallType")
        layer = ifcopenshell.api.run("layer.add_layer", self.file)
        representation = self.file.createIfcShapeRepresentation()
        element.RepresentationMaps = [self.file.createIfcRepresentationMap(MappedRepresentation=representation)]
        ifcopenshell.api.run("layer.assign_layer", self.file, items=[representation], layer=layer)
        assert subject.get_layers(self.file, element) == [layer]


class TestGetContainerIFC4(test.bootstrap.IFC4):
    def test_getting_the_spatial_container_of_an_element(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        building = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
        ifcopenshell.api.run("spatial.assign_container", self.file, products=[element], relating_structure=building)
        assert subject.get_container(element) == building

    def test_getting_an_indirect_spatial_container_of_an_element(self):
        subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcElementAssembly")
        building = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
        ifcopenshell.api.run("spatial.assign_container", self.file, products=[element], relating_structure=building)
        ifcopenshell.api.run("aggregate.assign_object", self.file, products=[subelement], relating_object=element)
        assert subject.get_container(subelement) == building

    def test_getting_nothing_if_we_enforce_only_getting_direct_spatial_containers(self):
        subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcElementAssembly")
        building = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
        ifcopenshell.api.run("spatial.assign_container", self.file, products=[element], relating_structure=building)
        ifcopenshell.api.run("aggregate.assign_object", self.file, products=[subelement], relating_object=element)
        assert subject.get_container(subelement, should_get_direct=True) is None


class TestGetReferencedStructures(test.bootstrap.IFC4):
    def test_getting_references_of_an_element(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        assert subject.get_referenced_structures(element) == []
        building = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
        ifcopenshell.api.run("spatial.reference_structure", self.file, product=element, relating_structure=building)
        assert subject.get_referenced_structures(element) == [building]
        building2 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
        ifcopenshell.api.run("spatial.reference_structure", self.file, product=element, relating_structure=building2)
        assert subject.get_referenced_structures(element) == [building, building2]


class TestGetDecompositionIFC4(test.bootstrap.IFC4):
    def test_getting_decomposed_subelements_of_an_element(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcElementAssembly")
        subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBeam")
        building = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
        ifcopenshell.api.run("spatial.assign_container", self.file, products=[element], relating_structure=building)
        ifcopenshell.api.run("aggregate.assign_object", self.file, products=[subelement], relating_object=element)
        results = subject.get_decomposition(building)
        assert element in results
        assert subelement in results

    def test_getting_openings_and_fills_of_an_element(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcOpeningElement")
        subsubelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWindow")
        ifcopenshell.api.run("void.add_opening", self.file, element=element, opening=subelement)
        ifcopenshell.api.run("void.add_filling", self.file, element=subsubelement, opening=subelement)
        results = subject.get_decomposition(element)
        assert subelement in results
        assert subsubelement in results


class TestGetGroupsIFC4(test.bootstrap.IFC4):
    def test_run(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        group1 = ifcopenshell.api.run("group.add_group", self.file)
        group2 = ifcopenshell.api.run("group.add_group", self.file)

        # assign group for multiple elements
        ifcopenshell.api.run("group.assign_group", self.file, products=[element], group=group1)
        ifcopenshell.api.run("group.assign_group", self.file, products=[element], group=group2)

        assert set(subject.get_groups(element)) == set([group1, group2])


class TestGetGroupsIFC2X3(test.bootstrap.IFC2X3, TestGetGroupsIFC4):
    pass


class TestGetAggregateIFC4(test.bootstrap.IFC4):
    def test_getting_the_containing_aggregate_of_a_subelement(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
        subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcCovering")
        ifcopenshell.api.run("aggregate.assign_object", self.file, products=[subelement], relating_object=element)
        assert subject.get_aggregate(subelement) == element


class TestGetNestIFC4(test.bootstrap.IFC4):
    def test_getting_the_nest_parent_of_an_element(self):
        element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcTask")
        subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcTask")
        ifcopenshell.api.run("nest.assign_object", self.file, related_objects=[subelement], relating_object=element)
        assert subject.get_nest(subelement) == element


class TestGetNestIFC2X3(test.bootstrap.IFC2X3, TestGetNestIFC4):
    pass


class TestReplaceAttributeIFC4(test.bootstrap.IFC4):
    def test_replacing_an_elements_attribute(self):
        element = self.file.createIfcWall("foo")
        subject.replace_attribute(element, "foo", "bar")
        assert element.GlobalId == "bar"

    def test_replacing_a_value_in_a_list(self):
        old = self.file.createIfcWall()
        new = self.file.createIfcWall()
        rel = self.file.createIfcRelAggregates()
        rel.RelatedObjects = [old]
        subject.replace_attribute(rel, old, new)
        assert rel.RelatedObjects == (new,)


class TestHasElementReferenceIFC4(test.bootstrap.IFC4):
    def test_if_a_element_attribute_references_another_element(self):
        old = self.file.createIfcWall()
        new = self.file.createIfcWall()
        rel = self.file.createIfcRelAggregates()
        rel.RelatedObjects = [old]
        assert subject.has_element_reference(rel.RelatedObjects, old) is True
        assert subject.has_element_reference(rel.RelatedObjects, new) is False


class TestRemoveDeepIFC4(test.bootstrap.IFC4):
    def test_removing_an_element_along_with_all_direct_attributes_recursively(self):
        owner = self.file.createIfcOwnerHistory()
        element = self.file.createIfcWall(GlobalId="id", OwnerHistory=owner)
        subject.remove_deep(self.file, element)
        with pytest.raises(RuntimeError):
            self.file.by_id(1)
            self.file.by_id(2)

    def test_removing_an_element_recursively_except_if_an_element_is_referenced_elsewhere(self):
        owner = self.file.createIfcOwnerHistory()
        element = self.file.createIfcWall(GlobalId="id1", OwnerHistory=owner)
        element2 = self.file.createIfcWall(GlobalId="id2", OwnerHistory=owner)
        subject.remove_deep(self.file, element)
        with pytest.raises(RuntimeError):
            self.file.by_guid("id1")
        assert self.file.by_id(1)
        assert self.file.by_guid("id2")


class TestRemoveDeep2IFC4(test.bootstrap.IFC4):
    def test_removing_an_element_along_with_all_direct_attributes_recursively(self):
        owner = self.file.createIfcOwnerHistory()
        element = self.file.createIfcWall(GlobalId="id", OwnerHistory=owner)
        subject.remove_deep2(self.file, element)
        with pytest.raises(RuntimeError):
            self.file.by_id(1)
            self.file.by_id(2)

    def test_removing_an_element_recursively_except_if_an_element_is_referenced_elsewhere(self):
        owner = self.file.createIfcOwnerHistory()
        element = self.file.createIfcWall(GlobalId="id1", OwnerHistory=owner)
        element2 = self.file.createIfcWall(GlobalId="id2", OwnerHistory=owner)
        subject.remove_deep2(self.file, element)
        with pytest.raises(RuntimeError):
            self.file.by_guid("id1")
        assert self.file.by_id(1)
        assert self.file.by_guid("id2")

    def test_not_removing_an_element_still_referenced_somewhere(self):
        owner = self.file.createIfcOwnerHistory()
        element = self.file.createIfcWall(GlobalId="id1", OwnerHistory=owner)
        subject.remove_deep2(self.file, owner)
        assert self.file.by_id(1)
        assert self.file.by_guid("id1")


class TestBatchRemoveDeep2IFC4(test.bootstrap.IFC4):
    def test_run(self):
        owner = self.file.createIfcOwnerHistory()
        element = self.file.createIfcWall(GlobalId="id", OwnerHistory=owner)
        subject.batch_remove_deep2(self.file)
        subject.remove_deep2(self.file, element)
        new = subject.unbatch_remove_deep2(self.file)
        assert self.file.by_id(1)
        with pytest.raises(RuntimeError):
            new.by_id(1)


class TestCopyIFC4(test.bootstrap.IFC4):
    def test_copying_an_element(self):
        element = self.file.createIfcWall(GlobalId="id", Name="name")
        element2 = subject.copy(self.file, element)
        assert element.is_a() == element2.is_a()
        assert element.GlobalId != element2.GlobalId
        assert element.Name == element2.Name


class TestCopyDeepIFC4(test.bootstrap.IFC4):
    def test_copying_an_element_recursively(self):
        owner = self.file.createIfcOwnerHistory()
        owner.State = "READWRITE"
        element = self.file.createIfcWall(GlobalId="id", Name="name", OwnerHistory=owner)
        element2 = subject.copy_deep(self.file, element)
        assert element.OwnerHistory != element2.OwnerHistory
        assert element.GlobalId != element2.GlobalId
        assert element.OwnerHistory.State == element2.OwnerHistory.State

    def test_copying_an_element_recursively_even_if_references_are_aggregated(self):
        element = self.file.createIfcWall(Name="name")
        rel = self.file.createIfcRelAggregates()
        rel.RelatedObjects = [element]
        rel2 = subject.copy_deep(self.file, rel)
        assert rel.RelatedObjects != rel2.RelatedObjects
        assert rel.RelatedObjects[0].Name == rel2.RelatedObjects[0].Name

    def test_copying_an_element_recursively_with_an_exclude_filter(self):
        owner = self.file.createIfcOwnerHistory()
        owner.State = "READWRITE"
        element = self.file.createIfcWall(GlobalId="id", Name="name", OwnerHistory=owner)
        element2 = subject.copy_deep(self.file, element, exclude=["IfcOwnerHistory"])
        assert element.OwnerHistory == element2.OwnerHistory

    def test_copying_an_element_recursively_with_aggregates_with_an_exclude_filter(self):
        element = self.file.createIfcWall(Name="name")
        rel = self.file.createIfcRelAggregates()
        rel.RelatedObjects = [element]
        rel2 = subject.copy_deep(self.file, rel, exclude=["IfcWall"])
        assert rel.RelatedObjects == rel2.RelatedObjects

    def test_copying_an_element_recursively_with_aggregates_with_an_exclude_callback(self):
        element = self.file.createIfcWall(Name="name")
        rel = self.file.createIfcRelAggregates()
        rel.RelatedObjects = [element]
        rel2 = subject.copy_deep(self.file, rel, exclude_callback=lambda x: x.is_a("IfcWall"))
        assert rel.RelatedObjects == rel2.RelatedObjects

    def test_copying_and_reusing_element_references(self):
        points = self.file.createIfcCartesianPointList2D()
        subelement1 = self.file.createIfcIndexedPolyCurve(points)
        subelement2 = self.file.createIfcIndexedPolyCurve(points)
        element = self.file.createIfcGeometricCurveSet([subelement1, subelement2])
        element2 = subject.copy_deep(self.file, element)
        assert element2.Elements[0].Points.id() == element2.Elements[1].Points.id()

    def test_copying_primitive_entities(self):
        element = self.file.createIfcIndexedPolyCurve(
            Segments=(self.file.createIfcLineIndex((1, 2)), self.file.createIfcLineIndex((3, 4)))
        )
        element2 = subject.copy_deep(self.file, element)
        assert element2.Segments[0][0] == (1, 2)
        assert element2.Segments[1][0] == (3, 4)