def test_reset_entity_handle():
db = EntityDB()
entity = DXFEntity()
db.add(entity)
assert db.reset_handle(entity, "FEFE") is True
assert entity.dxf.handle == "FEFE"
assert "FEFE" in db
def test_can_not_reset_entity_handle():
"""Can not reset the DXF handle of an entity to a handle, which is already
used by another entity.
"""
db = EntityDB()
entity1 = DXFEntity()
entity2 = DXFEntity()
db.add(entity1)
db.add(entity2)
handle = entity1.dxf.handle
assert db.reset_handle(entity1, entity2.dxf.handle) is False
assert entity1.dxf.handle == handle