| from django.db import connection |
| from django.db.models import CharField |
| from django.db.models.functions import SHA1 |
| from django.test import TestCase |
| from django.test.utils import register_lookup |
|
|
| from ..models import Author |
|
|
|
|
| class SHA1Tests(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( |
| sha1_alias=SHA1("alias"), |
| ) |
| .values_list("sha1_alias", flat=True) |
| .order_by("pk") |
| ) |
| self.assertSequenceEqual( |
| authors, |
| [ |
| "e61a3587b3f7a142b8c7b9263c82f8119398ecb7", |
| "0781e0745a2503e6ded05ed5bc554c421d781b0c", |
| "198d15ea139de04060caf95bc3e0ec5883cba881", |
| "da39a3ee5e6b4b0d3255bfef95601890afd80709", |
| "da39a3ee5e6b4b0d3255bfef95601890afd80709" |
| if connection.features.interprets_empty_strings_as_nulls |
| else None, |
| ], |
| ) |
|
|
| def test_transform(self): |
| with register_lookup(CharField, SHA1): |
| authors = Author.objects.filter( |
| alias__sha1="e61a3587b3f7a142b8c7b9263c82f8119398ecb7", |
| ).values_list("alias", flat=True) |
| self.assertSequenceEqual(authors, ["John Smith"]) |
|
|
