django/tests/db_functions/text/test_sha256.py

52 lines
1.8 KiB
Python

from django.db import connection
from django.db.models import CharField
from django.db.models.functions import SHA256
from django.test import TestCase
from django.test.utils import register_lookup
from ..models import Author
class SHA256Tests(TestCase):
@classmethod
def setUpTestData(cls):
Author.objects.bulk_create(
[
Author(alias="John Smith"),
Author(alias="Jordan Élena"),
Author(alias="皇帝"),
Author(alias=""),
Author(alias=None),
]
)
def test_basic(self):
authors = (
Author.objects.annotate(
sha256_alias=SHA256("alias"),
)
.values_list("sha256_alias", flat=True)
.order_by("pk")
)
self.assertSequenceEqual(
authors,
[
"ef61a579c907bbed674c0dbcbcf7f7af8f851538eef7b8e58c5bee0b8cfdac4a",
"6e4cce20cd83fc7c202f21a8b2452a68509cf24d1c272a045b5e0cfc43f0d94e",
"3ad2039e3ec0c88973ae1c0fce5a3dbafdd5a1627da0a92312c54ebfcf43988e",
"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
if connection.features.interprets_empty_strings_as_nulls
else None,
],
)
def test_transform(self):
with register_lookup(CharField, SHA256):
authors = Author.objects.filter(
alias__sha256=(
"ef61a579c907bbed674c0dbcbcf7f7af8f851538eef7b8e58c5bee0b8cfdac4a"
),
).values_list("alias", flat=True)
self.assertSequenceEqual(authors, ["John Smith"])