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51 lines
1.9 KiB
Python
51 lines
1.9 KiB
Python
import unittest
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from unittest import mock
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from django.core.checks.database import check_database_backends
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from django.db import connection, connections
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from django.test import TestCase
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class DatabaseCheckTests(TestCase):
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databases = {'default', 'other'}
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@mock.patch('django.db.backends.base.validation.BaseDatabaseValidation.check')
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def test_database_checks_called(self, mocked_check):
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check_database_backends()
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self.assertFalse(mocked_check.called)
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check_database_backends(databases=self.databases)
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self.assertTrue(mocked_check.called)
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@unittest.skipUnless(connection.vendor == 'mysql', 'Test only for MySQL')
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def test_mysql_strict_mode(self):
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def _clean_sql_mode():
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for alias in self.databases:
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if hasattr(connections[alias], 'sql_mode'):
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del connections[alias].sql_mode
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_clean_sql_mode()
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good_sql_modes = [
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'STRICT_TRANS_TABLES,STRICT_ALL_TABLES',
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'STRICT_TRANS_TABLES',
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'STRICT_ALL_TABLES',
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]
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for response in good_sql_modes:
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with mock.patch(
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'django.db.backends.utils.CursorWrapper.fetchone', create=True,
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return_value=(response,)
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):
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self.assertEqual(check_database_backends(databases=self.databases), [])
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_clean_sql_mode()
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bad_sql_modes = ['', 'WHATEVER']
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for response in bad_sql_modes:
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with mock.patch(
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'django.db.backends.utils.CursorWrapper.fetchone', create=True,
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return_value=(response,)
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):
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# One warning for each database alias
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result = check_database_backends(databases=self.databases)
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self.assertEqual(len(result), 2)
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self.assertEqual([r.id for r in result], ['mysql.W002', 'mysql.W002'])
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_clean_sql_mode()
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