ifcopenshell.validate to check unique guids (IfcRoot.UR1)

src/ifcopenshell-python/test/fixtures/validate/generate_00.py

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+import ifcopenshell
+import ifcopenshell.api
+from pathlib import Path
+
+
+guid1 = "3pdqyORIn8KBHZAhhtJ72T"
+guid2 = "1sEzC8v31DshmvW5t5P631"
+
+for schema in ("ifc2x3", "ifc4", "ifc4x3"):
+    for status in ("fail", "pass"):
+        f = ifcopenshell.file(schema=schema)
+
+        # setup IfcOwnerHistory
+        if schema == "ifc2x3":
+            ifcopenshell.api.run("owner.add_application", f)
+            person = ifcopenshell.api.run("owner.add_person", f)
+            organization = ifcopenshell.api.run("owner.add_organisation", f)
+            ifcopenshell.api.run("owner.add_person_and_organisation", f, person=person, organisation=organization)
+
+        wall1 = ifcopenshell.api.run("root.create_entity", f)
+        wall2 = ifcopenshell.api.run("root.create_entity", f)
+        wall1.GlobalId = guid1
+        wall2.GlobalId = guid1 if status == "fail" else guid2
+
+        filename = f"{status}-{'not-' if status == 'pass' else ''}duplicated-guids-{schema}.ifc"
+        f.write(Path(__file__).parent / filename)