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51 lines
2.8 KiB
Python
51 lines
2.8 KiB
Python
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# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2022 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of IfcOpenShell.
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#
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# IfcOpenShell is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcOpenShell is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
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import pytest
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import test.bootstrap
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import ifcopenshell.api
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import ifcopenshell.util.element
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class TestReferenceStructure(test.bootstrap.IFC4):
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def test_referencing_a_structure(self):
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element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
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subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
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rel = ifcopenshell.api.run(
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"spatial.reference_structure", self.file, product=subelement, relating_structure=element
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)
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assert ifcopenshell.util.element.get_referenced_structures(subelement) == [element]
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assert rel.is_a("IfcRelReferencedInSpatialStructure")
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def test_doing_nothing_if_the_structure_is_already_referenced(self):
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element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
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subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
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ifcopenshell.api.run("spatial.reference_structure", self.file, product=subelement, relating_structure=element)
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total_elements = len([e for e in self.file])
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ifcopenshell.api.run("spatial.reference_structure", self.file, product=subelement, relating_structure=element)
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assert len([e for e in self.file]) == total_elements
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def test_that_old_relationships_are_updated_if_they_still_contain_elements(self):
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element1 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
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subelement1 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
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subelement2 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
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ifcopenshell.api.run("spatial.reference_structure", self.file, product=subelement1, relating_structure=element1)
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ifcopenshell.api.run("spatial.reference_structure", self.file, product=subelement2, relating_structure=element1)
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rel = subelement1.ReferencedInStructures[0]
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assert len(rel.RelatedElements) == 2
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