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31 lines
930 B
Python
31 lines
930 B
Python
"""
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The citext PostgreSQL extension supports indexing of case-insensitive text
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strings and thus eliminates the need for operations such as iexact and other
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modifiers to enforce use of an index.
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"""
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from django.db import IntegrityError
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from . import PostgreSQLTestCase
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from .models import CITextTestModel
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class CITextTestCase(PostgreSQLTestCase):
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@classmethod
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def setUpTestData(cls):
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CITextTestModel.objects.create(name='JoHn')
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def test_equal_lowercase(self):
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"""
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citext removes the need for iexact as the index is case-insensitive.
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"""
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self.assertEqual(CITextTestModel.objects.filter(name='john').count(), 1)
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def test_fail_case(self):
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"""
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Creating an entry for a citext-field which clashes with an existing
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value isn't allowed.
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"""
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with self.assertRaises(IntegrityError):
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CITextTestModel.objects.create(name='John')
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