diff --git a/tests/regressiontests/backends/tests.py b/tests/regressiontests/backends/tests.py
index cfb662e..07e0117 100644
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from django.db import (backend, connection, connections, DEFAULT_DB_ALIAS,
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| 12 | 12 | IntegrityError, transaction) |
| 13 | 13 | from django.db.backends.signals import connection_created |
| 14 | 14 | from django.db.backends.postgresql_psycopg2 import version as pg_version |
| | 15 | from django.db.backends.postgresql_psycopg2.operations import DatabaseOperations |
| 15 | 16 | from django.db.utils import ConnectionHandler, DatabaseError, load_backend |
| 16 | 17 | from django.test import TestCase, skipUnlessDBFeature, TransactionTestCase |
| 17 | 18 | from django.test.utils import override_settings |
| … |
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class BackendLoadingTests(TestCase):
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| 618 | 619 | self.assertRaisesRegexp(ImproperlyConfigured, |
| 619 | 620 | "Try using django.db.backends.sqlite3 instead", |
| 620 | 621 | load_backend, 'sqlite3') |
| | 622 | |
| | 623 | |
| | 624 | class PostgresChecks(unittest.TestCase): |
| | 625 | def test_explicit_cast(self): |
| | 626 | do = DatabaseOperations(connection=None) |
| | 627 | self.assertEqual(do.lookup_cast('iexact'), 'UPPER(%s::text)') |
| | 628 | self.assertEqual(do.lookup_cast('contains'), '%s::text') |
| | 629 | self.assertEqual(do.lookup_cast('icontains'), 'UPPER(%s::text)') |
| | 630 | self.assertEqual(do.lookup_cast('startswith'), '%s::text') |
| | 631 | self.assertEqual(do.lookup_cast('istartswith'), 'UPPER(%s::text)') |
| | 632 | self.assertEqual(do.lookup_cast('endswith'), '%s::text') |
| | 633 | self.assertEqual(do.lookup_cast('iendswith'), 'UPPER(%s::text)') |