51 lines
1.9 KiB
Python
51 lines
1.9 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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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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def test_basic(self):
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authors = Author.objects.annotate(
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sha224_alias=SHA224('alias'),
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).values_list('sha224_alias', flat=True).order_by('pk')
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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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'd14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f'
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if connection.features.interprets_empty_strings_as_nulls 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, SHA224):
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authors = Author.objects.filter(
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alias__sha224='a61303c220731168452cb6acf3759438b1523e768f464e3704e12f70',
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).values_list('alias', flat=True)
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self.assertSequenceEqual(authors, ['John Smith'])
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@unittest.skipUnless(connection.vendor == 'oracle', "Oracle doesn't support SHA224.")
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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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