def test_duration_duration_string(self):
delta = timezone.timedelta(hours=1, minutes=30, seconds=15)
self.assertEqual(
duration.duration_string(delta), "1 hour, 30 minutes, 15 seconds"
)
self.assertEqual(duration.duration_string(delta, "m"), "1 hour, 30 minutes")
self.assertEqual(duration.duration_string(delta, "h"), "1 hour")
self.assertEqual(duration.duration_string(""), "")
self.assertRaises(TypeError, duration.duration_string("not a delta"))
def test_duration_duration_string(self):
delta = timezone.timedelta(hours=1, minutes=30, seconds=15)
self.assertEqual(duration.duration_string(delta),
'1 hour, 30 minutes, 15 seconds')
self.assertEqual(duration.duration_string(delta, 'm'),
'1 hour, 30 minutes')
self.assertEqual(duration.duration_string(delta, 'h'), '1 hour')
self.assertEqual(duration.duration_string(''), '')
self.assertRaises(TypeError, duration.duration_string('not a delta'))