mirror of https://github.com/django/django.git
80 lines
2.6 KiB
Python
80 lines
2.6 KiB
Python
from django.db import connection
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from . import PostgreSQLTestCase
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from .models import CharFieldModel, TextFieldModel
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class UnaccentTest(PostgreSQLTestCase):
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Model = CharFieldModel
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@classmethod
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def setUpTestData(cls):
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cls.Model.objects.bulk_create(
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[
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cls.Model(field="àéÖ"),
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cls.Model(field="aeO"),
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cls.Model(field="aeo"),
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]
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)
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def test_unaccent(self):
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self.assertQuerySetEqual(
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self.Model.objects.filter(field__unaccent="aeO"),
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["àéÖ", "aeO"],
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transform=lambda instance: instance.field,
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ordered=False,
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)
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def test_unaccent_chained(self):
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"""
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Unaccent can be used chained with a lookup (which should be the case
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since unaccent implements the Transform API)
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"""
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self.assertQuerySetEqual(
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self.Model.objects.filter(field__unaccent__iexact="aeO"),
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["àéÖ", "aeO", "aeo"],
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transform=lambda instance: instance.field,
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ordered=False,
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)
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self.assertQuerySetEqual(
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self.Model.objects.filter(field__unaccent__endswith="éÖ"),
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["àéÖ", "aeO"],
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transform=lambda instance: instance.field,
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ordered=False,
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)
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def test_unaccent_with_conforming_strings_off(self):
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"""SQL is valid when standard_conforming_strings is off."""
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with connection.cursor() as cursor:
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cursor.execute("SHOW standard_conforming_strings")
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disable_conforming_strings = cursor.fetchall()[0][0] == "on"
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if disable_conforming_strings:
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cursor.execute("SET standard_conforming_strings TO off")
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try:
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self.assertQuerySetEqual(
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self.Model.objects.filter(field__unaccent__endswith="éÖ"),
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["àéÖ", "aeO"],
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transform=lambda instance: instance.field,
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ordered=False,
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)
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finally:
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if disable_conforming_strings:
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cursor.execute("SET standard_conforming_strings TO on")
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def test_unaccent_accentuated_needle(self):
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self.assertQuerySetEqual(
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self.Model.objects.filter(field__unaccent="aéÖ"),
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["àéÖ", "aeO"],
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transform=lambda instance: instance.field,
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ordered=False,
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)
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class UnaccentTextFieldTest(UnaccentTest):
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"""
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TextField should have the exact same behavior as CharField
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regarding unaccent lookups.
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"""
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Model = TextFieldModel
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