django/tests/db_functions/text/test_md5.py

42 lines
1.4 KiB
Python

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'])