| 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"]) |
|
|
