| 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"]) |
|
|
