1# Created: 12.03.2011, 2018 rewritten for pytest 2# Copyright (C) 2011-2019, Manfred Moitzi 3# License: MIT License 4import pytest 5from ezdxf.tools.handle import HandleGenerator 6 7 8def test_next(): 9 handles = HandleGenerator('100') 10 assert '100' == handles.next() 11 12 13def test_next_function(): 14 handles = HandleGenerator('100') 15 assert '100' == next(handles) 16 17 18def test_seed(): 19 handles = HandleGenerator('200') 20 handles.next() 21 assert '201' == str(handles) 22 23 24def test_returns_not_zero(): 25 handles = HandleGenerator('0') 26 assert handles.next() != '0' 27 28 29def test_returns_not_negative(): 30 handles = HandleGenerator('-2') 31 assert int(handles.next(), 16) > 0 32 33 34def test_reset(): 35 handles = HandleGenerator('200') 36 handles.reset('300') 37 assert '300' == str(handles) 38 39 40def test_init_and_reset_rejects_invalid_ints(): 41 with pytest.raises(ValueError): 42 HandleGenerator('XXXX') 43 handles = HandleGenerator() 44 with pytest.raises(ValueError): 45 handles.reset('xyz') 46 47