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IfcOpenShell/src/ifcopenshell-python/test/api/group/test_assign_group.py
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2024-04-18 10:48:25 +02:00

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Python

# IfcOpenShell - IFC toolkit and geometry engine
# Copyright (C) 2022 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 test.bootstrap
import ifcopenshell.api
import ifcopenshell.util.element
class TestAssignGroup(test.bootstrap.IFC4):
def test_assign_group_for_multiple_elements(self):
element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
element2 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
group = ifcopenshell.api.run("group.add_group", self.file)
# assign group for multiple elements
ifcopenshell.api.run("group.assign_group", self.file, products=[element, element2], group=group)
assert len(self.file.by_type("IfcRelAssignsToGroup")) == 1
assert set(ifcopenshell.util.element.get_grouped_by(group)) == set(self.file.by_type("IfcWall"))
def test_reuse_existing_relationship(self):
self.test_assign_group_for_multiple_elements()
rel = self.file.by_type("IfcRelAssignsToGroup")[0]
element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
group = self.file.by_type("IfcGroup")[0]
ifcopenshell.api.run("group.assign_group", self.file, products=[element], group=group)
assert len(self.file.by_type("IfcRelAssignsToGroup")) == 1
assert set(ifcopenshell.util.element.get_grouped_by(group)) == set(self.file.by_type("IfcWall"))
class TestAssignGroupIFC2X3(test.bootstrap.IFC2X3, TestAssignGroup):
pass