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50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
from django.db import connection
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from django.db.models import CharField
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from django.db.models.functions import SHA1
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from django.test import TestCase
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from django.test.utils import register_lookup
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from ..models import Author
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class SHA1Tests(TestCase):
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@classmethod
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def setUpTestData(cls):
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Author.objects.bulk_create(
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[
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Author(alias="John Smith"),
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Author(alias="Jordan Élena"),
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Author(alias="皇帝"),
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Author(alias=""),
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Author(alias=None),
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]
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)
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def test_basic(self):
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authors = (
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Author.objects.annotate(
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sha1_alias=SHA1("alias"),
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)
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.values_list("sha1_alias", flat=True)
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.order_by("pk")
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)
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self.assertSequenceEqual(
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authors,
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[
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"e61a3587b3f7a142b8c7b9263c82f8119398ecb7",
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"0781e0745a2503e6ded05ed5bc554c421d781b0c",
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"198d15ea139de04060caf95bc3e0ec5883cba881",
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"da39a3ee5e6b4b0d3255bfef95601890afd80709",
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"da39a3ee5e6b4b0d3255bfef95601890afd80709"
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if connection.features.interprets_empty_strings_as_nulls
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else None,
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],
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)
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def test_transform(self):
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with register_lookup(CharField, SHA1):
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authors = Author.objects.filter(
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alias__sha1="e61a3587b3f7a142b8c7b9263c82f8119398ecb7",
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).values_list("alias", flat=True)
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self.assertSequenceEqual(authors, ["John Smith"])
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