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from unittest.mock import Mock
from django.db.models import NOT_PROVIDED
from django.test import TestCase
from model_utils.fields import UrlsafeTokenField
class UrlsaftTokenFieldTests(TestCase):
def test_editable_default(self):
field = UrlsafeTokenField()
self.assertFalse(field.editable)
def test_editable(self):
field = UrlsafeTokenField(editable=True)
self.assertTrue(field.editable)
def test_max_length_default(self):
field = UrlsafeTokenField()
self.assertEqual(field.max_length, 128)
def test_max_length(self):
field = UrlsafeTokenField(max_length=256)
self.assertEqual(field.max_length, 256)
def test_factory_default(self):
field = UrlsafeTokenField()
self.assertIsNone(field._factory)
def test_factory_not_callable(self):
with self.assertRaises(TypeError):
UrlsafeTokenField(factory='INVALID')
def test_get_default(self):
field = UrlsafeTokenField()
value = field.get_default()
self.assertEqual(len(value), field.max_length)
def test_get_default_with_non_default_max_length(self):
field = UrlsafeTokenField(max_length=64)
value = field.get_default()
self.assertEqual(len(value), 64)
def test_get_default_with_factory(self):
token = 'SAMPLE_TOKEN'
factory = Mock(return_value=token)
field = UrlsafeTokenField(factory=factory)
value = field.get_default()
self.assertEqual(value, token)
factory.assert_called_once_with(field.max_length)
def test_no_default_param(self):
field = UrlsafeTokenField(default='DEFAULT')
self.assertIs(field.default, NOT_PROVIDED)
def test_deconstruct(self):
def test_factory():
pass
instance = UrlsafeTokenField(factory=test_factory)
name, path, args, kwargs = instance.deconstruct()
new_instance = UrlsafeTokenField(*args, **kwargs)
self.assertIs(instance._factory, new_instance._factory)
self.assertIs(test_factory, new_instance._factory)
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