62 lines
2.1 KiB
Python
62 lines
2.1 KiB
Python
import unittest
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from unittest import mock
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from django.core.checks import Tags, run_checks
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from django.core.checks.registry import CheckRegistry
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from django.db import connection
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from django.test import TestCase
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class DatabaseCheckTests(TestCase):
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multi_db = True
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@property
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def func(self):
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from django.core.checks.database import check_database_backends
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return check_database_backends
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def test_database_checks_not_run_by_default(self):
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"""
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`database` checks are only run when their tag is specified.
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"""
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def f1(**kwargs):
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return [5]
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registry = CheckRegistry()
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registry.register(Tags.database)(f1)
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errors = registry.run_checks()
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self.assertEqual(errors, [])
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errors2 = registry.run_checks(tags=[Tags.database])
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self.assertEqual(errors2, [5])
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def test_database_checks_called(self):
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with mock.patch('django.db.backends.base.validation.BaseDatabaseValidation.check') as mocked_check:
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run_checks(tags=[Tags.database])
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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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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(self.func(None), [])
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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 = self.func(None)
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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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