#1861 test case

src/ifcopenshell-python/test/global_id_updates.py

@@ -0,0 +1,24 @@
+import pytest
+import ifcopenshell
+
+def test_global_id_updates():
+    g1, g2, g3 = (ifcopenshell.guid.new() for i in range(3))
+    f = ifcopenshell.file()
+    
+    f.createIfcWall(g1)
+    f[g1].GlobalId = g2
+    with pytest.raises(RuntimeError):
+        f[g1]
+    assert f[g2]
+    
+    inst = f.createIfcWall()
+    inst.GlobalId = g3
+    assert f[g3]
+    
+    # Non-unique guid, succeeds but logs an error
+    ifcopenshell.get_log()
+    inst = f.createIfcWall(g3)
+    assert "Overwriting" in ifcopenshell.get_log()
+
+if __name__ == "__main__":
+    pytest.main(["-sx", __file__])