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64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
import unittest
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from django.db import NotSupportedError, connection
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from django.db.models import CharField
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from django.db.models.functions import SHA224
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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 SHA224Tests(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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sha224_alias=SHA224("alias"),
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)
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.values_list("sha224_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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"a61303c220731168452cb6acf3759438b1523e768f464e3704e12f70",
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"2297904883e78183cb118fc3dc21a610d60daada7b6ebdbc85139f4d",
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"eba942746e5855121d9d8f79e27dfdebed81adc85b6bf41591203080",
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"d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f",
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(
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"d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f"
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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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)
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def test_transform(self):
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with register_lookup(CharField, SHA224):
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authors = Author.objects.filter(
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alias__sha224=(
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"a61303c220731168452cb6acf3759438b1523e768f464e3704e12f70"
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),
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).values_list("alias", flat=True)
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self.assertSequenceEqual(authors, ["John Smith"])
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@unittest.skipUnless(
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connection.vendor == "oracle", "Oracle doesn't support SHA224."
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)
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def test_unsupported(self):
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msg = "SHA224 is not supported on Oracle."
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with self.assertRaisesMessage(NotSupportedError, msg):
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Author.objects.annotate(sha224_alias=SHA224("alias")).first()
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