# -*- coding: utf-8 -*-
from django.test import TestCase
from django.utils import timezone

from core.utils import duration_string, duration_parts


class UtilsTestCase(TestCase):
    def test_duration_string(self):
        duration = timezone.timedelta(hours=1, minutes=30, seconds=45)
        self.assertEqual(duration_string(duration), "1 hour, 30 minutes, 45 seconds")
        self.assertEqual(duration_string(duration, "m"), "1 hour, 30 minutes")
        self.assertEqual(duration_string(duration, "h"), "1 hour")
        self.assertRaises(TypeError, lambda: duration_string("1 hour"))

    def test_duration_parts(self):
        duration = timezone.timedelta(hours=1, minutes=30, seconds=45)
        self.assertEqual(duration_parts(duration), (1, 30, 45))
        self.assertRaises(TypeError, lambda: duration_parts("1 hour"))