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from django.db import connection
from django.db.models import CharField
from django.db.models.functions import MD5
from django.test import TestCase
from django.test.utils import register_lookup
from ..models import Author
class MD5Tests(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(
md5_alias=MD5("alias"),
)
.values_list("md5_alias", flat=True)
.order_by("pk")
)
self.assertSequenceEqual(
authors,
[
"6117323d2cabbc17d44c2b44587f682c",
"ca6d48f6772000141e66591aee49d56c",
"bf2c13bc1154e3d2e7df848cbc8be73d",
"d41d8cd98f00b204e9800998ecf8427e",
"d41d8cd98f00b204e9800998ecf8427e"
if connection.features.interprets_empty_strings_as_nulls
else None,
],
)
def test_transform(self):
with register_lookup(CharField, MD5):
authors = Author.objects.filter(
alias__md5="6117323d2cabbc17d44c2b44587f682c",
).values_list("alias", flat=True)
self.assertSequenceEqual(authors, ["John Smith"])
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