def test_timestamp_invalid(self):
"""Test timestamp method fails with an invalid date."""
with self.assertRaises(ValueError):
OCIGenerator.timestamp("invalid")
def test_timestamp_valid(self):
"""Test timestamp method returns a date string."""
generator = OCIGenerator(self.six_hours_ago, self.now, self.currency)
tag_date = generator.timestamp(self.now)
self.assertIsInstance(tag_date, str)
self.assertEqual(tag_date, self.now.strftime("%Y-%m-%dT%H:%MZ"))
def test_timestamp_none(self):
"""Test the timestamp method fails with none."""
with self.assertRaises(ValueError):
OCIGenerator.timestamp(None)