def test_duration_validation(self):
# ensure duration is optional
fake_file = ContentFile(b("A boring example movie"))
fake_file.name = 'movie.mp4'
media = Media(
title="Test media file",
file=File(fake_file),
type='video',
)
media.full_clean()
# ensure cannot be negative
media.duration = -100
with self.assertRaises(ValidationError):
media.full_clean()
# ensure empty values are valid
for value in (0, 0.0, None, ''):
with self.subTest(value=value):
media.duration = value
media.full_clean()
self.assertEqual(media.duration, 0)
# ensure fractional durations are preserved
media.duration = 100.5
media.full_clean()
self.assertEqual(media.duration, 100.5)
def test_duration_display_as_tenths(self):
template = Template('{{ media.duration|floatformat }}')
for value, result in (
(None, '0'),
('', '0'),
(0, '0'),
(0.1, '0.1'),
(1, '1'),
(1234567.7654321, '1234567.8'),
):
fake_file = ContentFile(b("A boring example movie"))
fake_file.name = 'movie.mp4'
media = Media(
title="Test media file",
file=File(fake_file),
type='video',
)
media.duration = value
media.full_clean()
media.save()
media.refresh_from_db()
actual = template.render(Context({'media': media}))
self.assertEqual(actual, result)
def test_duration_display_as_tenths(self):
template = Template("{{ media.duration|floatformat }}")
for value, result in (
(None, "0"),
("", "0"),
(0, "0"),
(0.1, "0.1"),
(1, "1"),
(1234567.7654321, "1234567.8"),
):
fake_file = ContentFile(b("A boring example movie"))
fake_file.name = "movie.mp4"
media = Media(
title="Test media file",
file=File(fake_file),
type="video",
)
media.duration = value
media.full_clean()
media.save()
media.refresh_from_db()
actual = template.render(Context({"media": media}))
self.assertEqual(actual, result)