mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-10 01:41:57 +00:00
Andrej730
97 lines
4.0 KiB
Python
97 lines
4.0 KiB
Python
# 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 ifcopenshell
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import ifcopenshell.api.context
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import ifcopenshell.api.geometry
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import ifcopenshell.api.root
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import ifcopenshell.api.unit
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import ifcopenshell.util.representation
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import ifcdiff
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def setup_project() -> ifcopenshell.file:
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ifc_file = ifcopenshell.file(schema="IFC4")
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ifcopenshell.api.root.create_entity(ifc_file, ifc_class="IfcProject")
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unit = ifcopenshell.api.unit.add_si_unit(ifc_file, unit_type="LENGTHUNIT", prefix="MILLI")
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ifcopenshell.api.unit.assign_unit(ifc_file, units=[unit])
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model = ifcopenshell.api.context.add_context(ifc_file, "Model")
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ifcopenshell.api.context.add_context(ifc_file, "Model", "Body", "MODEL_VIEW", parent=model)
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return ifc_file
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class TestIfcDiff:
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def test_add_element(self):
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ifc_file = setup_project()
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new_file = ifc_file.from_string(ifc_file.to_string())
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wall = ifcopenshell.api.root.create_entity(new_file, ifc_class="IfcWall")
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ifc_diff = ifcdiff.IfcDiff(ifc_file, new_file)
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ifc_diff.diff()
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assert ifc_diff.added_elements == {wall.GlobalId}
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assert ifc_diff.deleted_elements == set()
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assert ifc_diff.change_register == {}
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def test_remove_element(self):
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ifc_file = setup_project()
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wall = ifcopenshell.api.root.create_entity(ifc_file, ifc_class="IfcWall")
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new_file = ifc_file.from_string(ifc_file.to_string())
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wall_new = new_file.by_id(wall.id())
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ifcopenshell.api.root.remove_product(new_file, wall_new)
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ifc_diff = ifcdiff.IfcDiff(ifc_file, new_file)
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ifc_diff.diff()
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assert ifc_diff.added_elements == set()
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assert ifc_diff.deleted_elements == {wall.GlobalId}
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assert ifc_diff.change_register == {}
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def test_changed_attribute(self):
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ifc_file = setup_project()
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wall = ifcopenshell.api.root.create_entity(ifc_file, ifc_class="IfcWall", name="Foo")
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new_file = ifc_file.from_string(ifc_file.to_string())
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wall_new = new_file.by_id(wall.id())
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wall_new.Name = "Bar"
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ifc_diff = ifcdiff.IfcDiff(ifc_file, new_file, relationships=["attributes"])
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ifc_diff.diff()
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assert ifc_diff.added_elements == set()
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assert ifc_diff.deleted_elements == set()
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assert ifc_diff.change_register == {wall.GlobalId: {"attributes_changed": True}}
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def test_changed_geometry(self):
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ifc_file = setup_project()
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wall = ifcopenshell.api.root.create_entity(ifc_file, ifc_class="IfcWall", name="Foo")
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context = ifcopenshell.util.representation.get_context(ifc_file, "Model", "Body", "MODEL_VIEW")
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assert context
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representation = ifcopenshell.api.geometry.add_slab_representation(ifc_file, context, depth=0.2)
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ifcopenshell.api.geometry.assign_representation(ifc_file, wall, representation)
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new_file = ifc_file.from_string(ifc_file.to_string())
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extrusion = new_file.by_type("IfcExtrudedAreaSolid")[0]
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extrusion.Depth = 500.0
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ifc_diff = ifcdiff.IfcDiff(ifc_file, new_file, relationships=["geometry"])
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ifc_diff.diff()
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assert ifc_diff.added_elements == set()
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assert ifc_diff.deleted_elements == set()
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assert ifc_diff.change_register == {wall.GlobalId: {"geometry_changed": True}}
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