def test_to_representation_returns_none_for_none_type(self):
instance = fields.DateTimeField()
self.assertIsNone(instance.to_representation(None))
def test_to_representation_with_none_output_format_returns_value(self):
instance = fields.DateTimeField(format=None)
self.assertEqual(instance.to_representation('2000-01-01T10:00:00Z'),
'2000-01-01T10:00:00Z')
def test_to_internal_value_with_format_raises_exc_for_invalid_value(self):
instance = fields.DateTimeField(input_formats=("%Y-%m-%d %H:%M", ))
with self.assertRaises(ValidationError):
instance.to_internal_value('2000-99-99 10:00')
def test_to_representation_returns_none_for_empty_string(self):
instance = fields.DateTimeField()
self.assertIsNone(instance.to_representation(''))
def test_to_internal_value_with_format_returns_datetime(self):
instance = fields.DateTimeField(input_formats=("%Y-%m-%d %H:%M", ))
self.assertEqual(instance.to_internal_value('2000-01-01 10:00'),
datetime.datetime(2000, 1, 1, 10, 0))
def test_to_internal_value_with_format_raises_exc_for_a_wrong_type(self):
instance = fields.DateTimeField(input_formats=("%Y-%m-%d %H:%M", ))
with self.assertRaises(ValidationError):
instance.to_internal_value(None)
def test_to_internal_value_raises_validation_error_with_a_wrong_type(self):
instance = fields.DateTimeField()
with self.assertRaises(ValidationError):
instance.to_internal_value(None)
def test_enforce_timezone_returns_naive_datetime(self):
instance = fields.DateTimeField()
value = datetime.datetime(2000, 1, 1, 10, 0)
self.assertEqual(instance.enforce_timezone(value), value)
def test_to_internal_value_raises_validation_error_for_date_type(self):
instance = fields.DateTimeField()
with self.assertRaises(ValidationError):
instance.to_internal_value(datetime.date(2000, 1, 1))
def test_to_internal_value_returns_datetime_in_iso8601(self):
instance = fields.DateTimeField()
self.assertEqual(instance.to_internal_value('2000-01-01 10:00'),
datetime.datetime(2000, 1, 1, 10, 0))
def test_to_internal_value_returns_datetime_with_enforce_datetime(self):
instance = fields.DateTimeField()
self.assertEqual(
instance.to_internal_value(datetime.datetime(2000, 1, 1)),
datetime.datetime(2000, 1, 1))
def test_enforce_timezone_returns_naive_datetime_with_utc_timezone(self):
instance = fields.DateTimeField()
value = datetime.datetime(2000, 1, 1, 10, 0, tzinfo=timezone.UTC())
self.assertEqual(instance.enforce_timezone(value),
datetime.datetime(2000, 1, 1, 10, 0))
def test_enforce_timezone_returns_aware_datetime_with_utc_timezone(self):
instance = fields.DateTimeField(default_timezone=timezone.UTC())
self.assertEqual(
instance.enforce_timezone(datetime.datetime(2000, 1, 1, 10, 0)),
datetime.datetime(2000, 1, 1, 10, 0, tzinfo=timezone.UTC()))
def test_to_representation_returns_value_in_iso8601(self):
instance = fields.DateTimeField()
value = datetime.datetime(2000, 1, 1, 10, 0, tzinfo=timezone.UTC())
self.assertEqual(instance.to_representation(value),
'2000-01-01T10:00:00Z')
def test_to_internal_value_raises_validation_error_for_invalid_value(self):
instance = fields.DateTimeField()
with self.assertRaises(ValidationError):
instance.to_internal_value('2000-99-99 10:00')
def test_to_representation_returns_value_in_custom_format(self):
instance = fields.DateTimeField(format="%Y-%m-%d %H:%M")
self.assertEqual(
instance.to_representation(datetime.datetime(2000, 1, 1, 10, 0)),
'2000-01-01 10:00')
def test_run_validation_raises_validation_error_for_a_wrong_value(self):
instance = fields.DateTimeField()
with self.assertRaises(ValidationError):
instance.run_validation('value')
