def test_deconstruct(self):
field = native_shortuuid.NativeShortUUIDField()
name, path, args, kwargs = field.deconstruct()
self.assertEqual(kwargs, {})
field = native_shortuuid.NativeShortUUIDField(
default=native_shortuuid.fields.short_uuid4)
name, path, args, kwargs = field.deconstruct()
self.assertEqual(set(kwargs.keys()), {'default'})
self.assertEqual(kwargs['default'],
native_shortuuid.fields.short_uuid4)
field = native_shortuuid.NativeShortUUIDField(default=uuid.uuid4)
name, path, args, kwargs = field.deconstruct()
self.assertEqual(set(kwargs.keys()), {'default'})
self.assertEqual(kwargs['default'], uuid.uuid4)
def test_invalid_uuid(self):
field = native_shortuuid.NativeShortUUIDField()
with self.assertRaises(exceptions.ValidationError) as cm:
field.clean('550e8400', None)
self.assertEqual(cm.exception.code, 'invalid')
self.assertEqual(cm.exception.message % cm.exception.params,
'“550e8400” is not a valid ShortUUID.')
class ShortUUIDModel(django.db.models.Model):
field = native_shortuuid.NativeShortUUIDField()
class PrimaryKeyShortUUIDModel(django.db.models.Model):
id = native_shortuuid.NativeShortUUIDField(primary_key=True,
default=uuid.uuid4)
class NullableShortUUIDModel(django.db.models.Model):
field = native_shortuuid.NativeShortUUIDField(blank=True, null=True)
def test_uuid_instance_ok(self):
field = native_shortuuid.NativeShortUUIDField()
field.clean(shortuuid.encode(uuid.uuid4()), None) # no error
field.clean(uuid.uuid4(), None) # no error
def test_to_python_shortuuid_too_small(self):
# Fails for strings less than 22 characters.
with self.assertRaises(exceptions.ValidationError):
native_shortuuid.NativeShortUUIDField().to_python('2' * 21)
def test_to_python(self):
self.assertIsNone(
native_shortuuid.NativeShortUUIDField().to_python(None))