RegenerateGlobalIds - tests

src/ifcpatch/test/test_RegenerateGlobalIds.py

@@ -0,0 +1,48 @@
+# 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 os
+import pytest
+import ifcpatch
+import ifcopenshell
+import ifcopenshell.api
+import ifcopenshell.util.element
+
+
+class TestRegenerateGlobalIds:
+    def test_run(self):
+        ifc_file = ifcopenshell.file()
+        project = ifcopenshell.api.run("root.create_entity", ifc_file, ifc_class="IfcProject")
+        wall = ifcopenshell.api.run("root.create_entity", ifc_file, ifc_class="IfcWall")
+        used_guids = {project.GlobalId, wall.GlobalId}
+        ifcpatch.execute({"file": ifc_file, "recipe": "RegenerateGlobalIds", "arguments": [False]})
+        new_guids = {project.GlobalId, wall.GlobalId}
+        assert not new_guids.intersection(used_guids)
+
+    def test_regenerate_guids_for_duplicates(self):
+        ifc_file = ifcopenshell.file()
+        project = ifcopenshell.api.run("root.create_entity", ifc_file, ifc_class="IfcProject")
+        wall1 = ifcopenshell.api.run("root.create_entity", ifc_file, ifc_class="IfcWall")
+        wall2 = ifcopenshell.api.run("root.create_entity", ifc_file, ifc_class="IfcWall")
+        wall1.GlobalId = wall2.GlobalId
+        used_guids = {project, wall1.GlobalId, wall2.GlobalId}
+
+        ifcpatch.execute({"file": ifc_file, "recipe": "RegenerateGlobalIds", "arguments": [True]})
+        new_guids = {project, wall1.GlobalId, wall2.GlobalId}
+        assert len(new_guids) == 3
+        assert len(new_guids.intersection(used_guids)) == 2