mirror of https://github.com/django/django.git
207 lines
7.6 KiB
Python
207 lines
7.6 KiB
Python
import json
|
|
import uuid
|
|
|
|
from django.core import exceptions, serializers
|
|
from django.db import IntegrityError, models
|
|
from django.test import (
|
|
SimpleTestCase, TestCase, TransactionTestCase, skipUnlessDBFeature,
|
|
)
|
|
|
|
from .models import (
|
|
NullableUUIDModel, PrimaryKeyUUIDModel, RelatedToUUIDModel, UUIDGrandchild,
|
|
UUIDModel,
|
|
)
|
|
|
|
|
|
class TestSaveLoad(TestCase):
|
|
def test_uuid_instance(self):
|
|
instance = UUIDModel.objects.create(field=uuid.uuid4())
|
|
loaded = UUIDModel.objects.get()
|
|
self.assertEqual(loaded.field, instance.field)
|
|
|
|
def test_str_instance_no_hyphens(self):
|
|
UUIDModel.objects.create(field='550e8400e29b41d4a716446655440000')
|
|
loaded = UUIDModel.objects.get()
|
|
self.assertEqual(loaded.field, uuid.UUID('550e8400e29b41d4a716446655440000'))
|
|
|
|
def test_str_instance_hyphens(self):
|
|
UUIDModel.objects.create(field='550e8400-e29b-41d4-a716-446655440000')
|
|
loaded = UUIDModel.objects.get()
|
|
self.assertEqual(loaded.field, uuid.UUID('550e8400e29b41d4a716446655440000'))
|
|
|
|
def test_str_instance_bad_hyphens(self):
|
|
UUIDModel.objects.create(field='550e84-00-e29b-41d4-a716-4-466-55440000')
|
|
loaded = UUIDModel.objects.get()
|
|
self.assertEqual(loaded.field, uuid.UUID('550e8400e29b41d4a716446655440000'))
|
|
|
|
def test_null_handling(self):
|
|
NullableUUIDModel.objects.create(field=None)
|
|
loaded = NullableUUIDModel.objects.get()
|
|
self.assertIsNone(loaded.field)
|
|
|
|
def test_pk_validated(self):
|
|
with self.assertRaisesMessage(exceptions.ValidationError, 'is not a valid UUID'):
|
|
PrimaryKeyUUIDModel.objects.get(pk={})
|
|
|
|
with self.assertRaisesMessage(exceptions.ValidationError, 'is not a valid UUID'):
|
|
PrimaryKeyUUIDModel.objects.get(pk=[])
|
|
|
|
def test_wrong_value(self):
|
|
with self.assertRaisesMessage(exceptions.ValidationError, 'is not a valid UUID'):
|
|
UUIDModel.objects.get(field='not-a-uuid')
|
|
|
|
with self.assertRaisesMessage(exceptions.ValidationError, 'is not a valid UUID'):
|
|
UUIDModel.objects.create(field='not-a-uuid')
|
|
|
|
|
|
class TestMethods(SimpleTestCase):
|
|
|
|
def test_deconstruct(self):
|
|
field = models.UUIDField()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(kwargs, {})
|
|
|
|
def test_to_python(self):
|
|
self.assertIsNone(models.UUIDField().to_python(None))
|
|
|
|
def test_to_python_int_values(self):
|
|
self.assertEqual(
|
|
models.UUIDField().to_python(0),
|
|
uuid.UUID('00000000-0000-0000-0000-000000000000')
|
|
)
|
|
# Works for integers less than 128 bits.
|
|
self.assertEqual(
|
|
models.UUIDField().to_python((2 ** 128) - 1),
|
|
uuid.UUID('ffffffff-ffff-ffff-ffff-ffffffffffff')
|
|
)
|
|
|
|
def test_to_python_int_too_large(self):
|
|
# Fails for integers larger than 128 bits.
|
|
with self.assertRaises(exceptions.ValidationError):
|
|
models.UUIDField().to_python(2 ** 128)
|
|
|
|
|
|
class TestQuerying(TestCase):
|
|
@classmethod
|
|
def setUpTestData(cls):
|
|
cls.objs = [
|
|
NullableUUIDModel.objects.create(field=uuid.uuid4()),
|
|
NullableUUIDModel.objects.create(field='550e8400e29b41d4a716446655440000'),
|
|
NullableUUIDModel.objects.create(field=None),
|
|
]
|
|
|
|
def test_exact(self):
|
|
self.assertSequenceEqual(
|
|
NullableUUIDModel.objects.filter(field__exact='550e8400e29b41d4a716446655440000'),
|
|
[self.objs[1]]
|
|
)
|
|
|
|
def test_isnull(self):
|
|
self.assertSequenceEqual(
|
|
NullableUUIDModel.objects.filter(field__isnull=True),
|
|
[self.objs[2]]
|
|
)
|
|
|
|
|
|
class TestSerialization(SimpleTestCase):
|
|
test_data = (
|
|
'[{"fields": {"field": "550e8400-e29b-41d4-a716-446655440000"}, '
|
|
'"model": "model_fields.uuidmodel", "pk": null}]'
|
|
)
|
|
nullable_test_data = (
|
|
'[{"fields": {"field": null}, '
|
|
'"model": "model_fields.nullableuuidmodel", "pk": null}]'
|
|
)
|
|
|
|
def test_dumping(self):
|
|
instance = UUIDModel(field=uuid.UUID('550e8400e29b41d4a716446655440000'))
|
|
data = serializers.serialize('json', [instance])
|
|
self.assertEqual(json.loads(data), json.loads(self.test_data))
|
|
|
|
def test_loading(self):
|
|
instance = list(serializers.deserialize('json', self.test_data))[0].object
|
|
self.assertEqual(instance.field, uuid.UUID('550e8400-e29b-41d4-a716-446655440000'))
|
|
|
|
def test_nullable_loading(self):
|
|
instance = list(serializers.deserialize('json', self.nullable_test_data))[0].object
|
|
self.assertIsNone(instance.field)
|
|
|
|
|
|
class TestValidation(SimpleTestCase):
|
|
def test_invalid_uuid(self):
|
|
field = models.UUIDField()
|
|
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 UUID.')
|
|
|
|
def test_uuid_instance_ok(self):
|
|
field = models.UUIDField()
|
|
field.clean(uuid.uuid4(), None) # no error
|
|
|
|
|
|
class TestAsPrimaryKey(TestCase):
|
|
def test_creation(self):
|
|
PrimaryKeyUUIDModel.objects.create()
|
|
loaded = PrimaryKeyUUIDModel.objects.get()
|
|
self.assertIsInstance(loaded.pk, uuid.UUID)
|
|
|
|
def test_uuid_pk_on_save(self):
|
|
saved = PrimaryKeyUUIDModel.objects.create(id=None)
|
|
loaded = PrimaryKeyUUIDModel.objects.get()
|
|
self.assertIsNotNone(loaded.id, None)
|
|
self.assertEqual(loaded.id, saved.id)
|
|
|
|
def test_uuid_pk_on_bulk_create(self):
|
|
u1 = PrimaryKeyUUIDModel()
|
|
u2 = PrimaryKeyUUIDModel(id=None)
|
|
PrimaryKeyUUIDModel.objects.bulk_create([u1, u2])
|
|
# The two objects were correctly created.
|
|
u1_found = PrimaryKeyUUIDModel.objects.filter(id=u1.id).exists()
|
|
u2_found = PrimaryKeyUUIDModel.objects.exclude(id=u1.id).exists()
|
|
self.assertTrue(u1_found)
|
|
self.assertTrue(u2_found)
|
|
self.assertEqual(PrimaryKeyUUIDModel.objects.count(), 2)
|
|
|
|
def test_underlying_field(self):
|
|
pk_model = PrimaryKeyUUIDModel.objects.create()
|
|
RelatedToUUIDModel.objects.create(uuid_fk=pk_model)
|
|
related = RelatedToUUIDModel.objects.get()
|
|
self.assertEqual(related.uuid_fk.pk, related.uuid_fk_id)
|
|
|
|
def test_update_with_related_model_instance(self):
|
|
# regression for #24611
|
|
u1 = PrimaryKeyUUIDModel.objects.create()
|
|
u2 = PrimaryKeyUUIDModel.objects.create()
|
|
r = RelatedToUUIDModel.objects.create(uuid_fk=u1)
|
|
RelatedToUUIDModel.objects.update(uuid_fk=u2)
|
|
r.refresh_from_db()
|
|
self.assertEqual(r.uuid_fk, u2)
|
|
|
|
def test_update_with_related_model_id(self):
|
|
u1 = PrimaryKeyUUIDModel.objects.create()
|
|
u2 = PrimaryKeyUUIDModel.objects.create()
|
|
r = RelatedToUUIDModel.objects.create(uuid_fk=u1)
|
|
RelatedToUUIDModel.objects.update(uuid_fk=u2.pk)
|
|
r.refresh_from_db()
|
|
self.assertEqual(r.uuid_fk, u2)
|
|
|
|
def test_two_level_foreign_keys(self):
|
|
gc = UUIDGrandchild()
|
|
# exercises ForeignKey.get_db_prep_value()
|
|
gc.save()
|
|
self.assertIsInstance(gc.uuidchild_ptr_id, uuid.UUID)
|
|
gc.refresh_from_db()
|
|
self.assertIsInstance(gc.uuidchild_ptr_id, uuid.UUID)
|
|
|
|
|
|
class TestAsPrimaryKeyTransactionTests(TransactionTestCase):
|
|
# Need a TransactionTestCase to avoid deferring FK constraint checking.
|
|
available_apps = ['model_fields']
|
|
|
|
@skipUnlessDBFeature('supports_foreign_keys')
|
|
def test_unsaved_fk(self):
|
|
u1 = PrimaryKeyUUIDModel()
|
|
with self.assertRaises(IntegrityError):
|
|
RelatedToUUIDModel.objects.create(uuid_fk=u1)
|