def test_calc_unit_raises_value_error(self):
self.assertRaises(ValueError, bytes2human.calc_unit, 1, None)
self.assertRaises(ValueError, bytes2human.calc_unit, 1, 100)
self.assertRaises(ValueError, bytes2human.calc_unit, 1, 999)
self.assertRaises(ValueError, bytes2human.calc_unit, 1, 1023)
self.assertRaises(ValueError, bytes2human.calc_unit, 1, 1025)
self.assertEqual((1.0, 'B'), bytes2human.calc_unit(1, 1024))
self.assertEqual((1.0, 'B'), bytes2human.calc_unit(1, 1000))
def test_calc_unit(self):
self.assertEqual(bytes2human.calc_unit(12456, 1024), (12.1640625, 'KiB'))
self.assertEqual(bytes2human.calc_unit(-12456, 1000), (-12.456, 'kB'))
self.assertRaises(ValueError, bytes2human.calc_unit, 0, 1001)
