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			422 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			422 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| """
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| Tests for django test runner
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| """
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| from __future__ import unicode_literals
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| 
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| import unittest
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| 
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| from django import db
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| from django.conf import settings
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| from django.core.exceptions import ImproperlyConfigured
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| from django.core.management import call_command
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| from django.db.backends.dummy.base import DatabaseCreation
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| from django.test import TestCase, TransactionTestCase, mock, skipUnlessDBFeature
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| from django.test.runner import DiscoverRunner, dependency_ordered
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| from django.test.testcases import connections_support_transactions
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| from django.utils import six
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| 
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| from admin_scripts.tests import AdminScriptTestCase
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| from .models import Person
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| 
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| 
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| class DependencyOrderingTests(unittest.TestCase):
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| 
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|     def test_simple_dependencies(self):
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|         raw = [
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|             ('s1', ('s1_db', ['alpha'])),
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|             ('s2', ('s2_db', ['bravo'])),
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|             ('s3', ('s3_db', ['charlie'])),
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|         ]
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|         dependencies = {
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|             'alpha': ['charlie'],
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|             'bravo': ['charlie'],
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|         }
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| 
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|         ordered = dependency_ordered(raw, dependencies=dependencies)
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|         ordered_sigs = [sig for sig, value in ordered]
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| 
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|         self.assertIn('s1', ordered_sigs)
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|         self.assertIn('s2', ordered_sigs)
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|         self.assertIn('s3', ordered_sigs)
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|         self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1'))
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|         self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s2'))
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| 
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|     def test_chained_dependencies(self):
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|         raw = [
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|             ('s1', ('s1_db', ['alpha'])),
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|             ('s2', ('s2_db', ['bravo'])),
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|             ('s3', ('s3_db', ['charlie'])),
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|         ]
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|         dependencies = {
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|             'alpha': ['bravo'],
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|             'bravo': ['charlie'],
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|         }
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| 
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|         ordered = dependency_ordered(raw, dependencies=dependencies)
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|         ordered_sigs = [sig for sig, value in ordered]
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| 
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|         self.assertIn('s1', ordered_sigs)
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|         self.assertIn('s2', ordered_sigs)
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|         self.assertIn('s3', ordered_sigs)
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| 
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|         # Explicit dependencies
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|         self.assertLess(ordered_sigs.index('s2'), ordered_sigs.index('s1'))
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|         self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s2'))
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| 
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|         # Implied dependencies
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|         self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1'))
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| 
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|     def test_multiple_dependencies(self):
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|         raw = [
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|             ('s1', ('s1_db', ['alpha'])),
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|             ('s2', ('s2_db', ['bravo'])),
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|             ('s3', ('s3_db', ['charlie'])),
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|             ('s4', ('s4_db', ['delta'])),
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|         ]
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|         dependencies = {
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|             'alpha': ['bravo', 'delta'],
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|             'bravo': ['charlie'],
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|             'delta': ['charlie'],
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|         }
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| 
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|         ordered = dependency_ordered(raw, dependencies=dependencies)
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|         ordered_sigs = [sig for sig, aliases in ordered]
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| 
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|         self.assertIn('s1', ordered_sigs)
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|         self.assertIn('s2', ordered_sigs)
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|         self.assertIn('s3', ordered_sigs)
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|         self.assertIn('s4', ordered_sigs)
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| 
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|         # Explicit dependencies
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|         self.assertLess(ordered_sigs.index('s2'), ordered_sigs.index('s1'))
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|         self.assertLess(ordered_sigs.index('s4'), ordered_sigs.index('s1'))
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|         self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s2'))
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|         self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s4'))
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| 
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|         # Implicit dependencies
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|         self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1'))
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| 
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|     def test_circular_dependencies(self):
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|         raw = [
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|             ('s1', ('s1_db', ['alpha'])),
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|             ('s2', ('s2_db', ['bravo'])),
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|         ]
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|         dependencies = {
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|             'bravo': ['alpha'],
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|             'alpha': ['bravo'],
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|         }
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| 
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|         self.assertRaises(ImproperlyConfigured, dependency_ordered, raw, dependencies=dependencies)
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| 
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|     def test_own_alias_dependency(self):
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|         raw = [
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|             ('s1', ('s1_db', ['alpha', 'bravo']))
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|         ]
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|         dependencies = {
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|             'alpha': ['bravo']
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|         }
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| 
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|         with self.assertRaises(ImproperlyConfigured):
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|             dependency_ordered(raw, dependencies=dependencies)
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| 
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|         # reordering aliases shouldn't matter
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|         raw = [
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|             ('s1', ('s1_db', ['bravo', 'alpha']))
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|         ]
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| 
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|         with self.assertRaises(ImproperlyConfigured):
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|             dependency_ordered(raw, dependencies=dependencies)
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| 
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| 
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| class MockTestRunner(object):
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|     def __init__(self, *args, **kwargs):
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|         pass
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| 
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| MockTestRunner.run_tests = mock.Mock(return_value=[])
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| 
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| 
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| class ManageCommandTests(unittest.TestCase):
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| 
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|     def test_custom_test_runner(self):
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|         call_command('test', 'sites',
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|                      testrunner='test_runner.tests.MockTestRunner')
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|         MockTestRunner.run_tests.assert_called_with(('sites',))
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| 
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|     def test_bad_test_runner(self):
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|         with self.assertRaises(AttributeError):
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|             call_command('test', 'sites',
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|                 testrunner='test_runner.NonExistentRunner')
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| 
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| 
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| class CustomOptionsTestRunner(DiscoverRunner):
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| 
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|     def __init__(self, verbosity=1, interactive=True, failfast=True, option_a=None, option_b=None, option_c=None, **kwargs):
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|         super(CustomOptionsTestRunner, self).__init__(verbosity=verbosity, interactive=interactive,
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|                                                       failfast=failfast)
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|         self.option_a = option_a
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|         self.option_b = option_b
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|         self.option_c = option_c
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| 
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|     @classmethod
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|     def add_arguments(cls, parser):
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|         parser.add_argument('--option_a', '-a', action='store', dest='option_a', default='1'),
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|         parser.add_argument('--option_b', '-b', action='store', dest='option_b', default='2'),
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|         parser.add_argument('--option_c', '-c', action='store', dest='option_c', default='3'),
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| 
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|     def run_tests(self, test_labels, extra_tests=None, **kwargs):
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|         print("%s:%s:%s" % (self.option_a, self.option_b, self.option_c))
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| 
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| 
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| class CustomTestRunnerOptionsTests(AdminScriptTestCase):
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| 
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|     def setUp(self):
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|         settings = {
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|             'TEST_RUNNER': '\'test_runner.tests.CustomOptionsTestRunner\'',
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|         }
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|         self.write_settings('settings.py', sdict=settings)
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| 
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|     def tearDown(self):
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|         self.remove_settings('settings.py')
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| 
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|     def test_default_options(self):
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|         args = ['test', '--settings=test_project.settings']
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|         out, err = self.run_django_admin(args)
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|         self.assertNoOutput(err)
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|         self.assertOutput(out, '1:2:3')
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| 
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|     def test_default_and_given_options(self):
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|         args = ['test', '--settings=test_project.settings', '--option_b=foo']
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|         out, err = self.run_django_admin(args)
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|         self.assertNoOutput(err)
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|         self.assertOutput(out, '1:foo:3')
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| 
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|     def test_option_name_and_value_separated(self):
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|         args = ['test', '--settings=test_project.settings', '--option_b', 'foo']
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|         out, err = self.run_django_admin(args)
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|         self.assertNoOutput(err)
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|         self.assertOutput(out, '1:foo:3')
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| 
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|     def test_all_options_given(self):
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|         args = ['test', '--settings=test_project.settings', '--option_a=bar',
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|                 '--option_b=foo', '--option_c=31337']
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|         out, err = self.run_django_admin(args)
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|         self.assertNoOutput(err)
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|         self.assertOutput(out, 'bar:foo:31337')
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| 
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| 
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| class Ticket17477RegressionTests(AdminScriptTestCase):
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|     def setUp(self):
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|         self.write_settings('settings.py')
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| 
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|     def tearDown(self):
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|         self.remove_settings('settings.py')
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| 
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|     def test_ticket_17477(self):
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|         """'manage.py help test' works after r16352."""
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|         args = ['help', 'test']
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|         out, err = self.run_manage(args)
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|         self.assertNoOutput(err)
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| 
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| 
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| class Sqlite3InMemoryTestDbs(TestCase):
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| 
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|     available_apps = []
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| 
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|     @unittest.skipUnless(all(db.connections[conn].vendor == 'sqlite' for conn in db.connections),
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|                          "This is an sqlite-specific issue")
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|     def test_transaction_support(self):
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|         """Ticket #16329: sqlite3 in-memory test databases"""
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|         old_db_connections = db.connections
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|         for option_key, option_value in (
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|                 ('NAME', ':memory:'), ('TEST', {'NAME': ':memory:'})):
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|             try:
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|                 db.connections = db.ConnectionHandler({
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|                     'default': {
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|                         'ENGINE': 'django.db.backends.sqlite3',
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|                         option_key: option_value,
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|                     },
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|                     'other': {
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|                         'ENGINE': 'django.db.backends.sqlite3',
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|                         option_key: option_value,
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|                     },
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|                 })
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|                 other = db.connections['other']
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|                 DiscoverRunner(verbosity=0).setup_databases()
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|                 msg = "DATABASES setting '%s' option set to sqlite3's ':memory:' value shouldn't interfere with transaction support detection." % option_key
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|                 # Transaction support should be properly initialized for the 'other' DB
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|                 self.assertTrue(other.features.supports_transactions, msg)
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|                 # And all the DBs should report that they support transactions
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|                 self.assertTrue(connections_support_transactions(), msg)
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|             finally:
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|                 db.connections = old_db_connections
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| 
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| 
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| class DummyBackendTest(unittest.TestCase):
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|     def test_setup_databases(self):
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|         """
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|         Test that setup_databases() doesn't fail with dummy database backend.
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|         """
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|         runner_instance = DiscoverRunner(verbosity=0)
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|         old_db_connections = db.connections
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|         try:
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|             db.connections = db.ConnectionHandler({})
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|             old_config = runner_instance.setup_databases()
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|             runner_instance.teardown_databases(old_config)
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|         except Exception as e:
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|             self.fail("setup_databases/teardown_databases unexpectedly raised "
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|                       "an error: %s" % e)
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|         finally:
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|             db.connections = old_db_connections
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| 
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| 
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| class AliasedDefaultTestSetupTest(unittest.TestCase):
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|     def test_setup_aliased_default_database(self):
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|         """
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|         Test that setup_datebases() doesn't fail when 'default' is aliased
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|         """
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|         runner_instance = DiscoverRunner(verbosity=0)
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|         old_db_connections = db.connections
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|         try:
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|             db.connections = db.ConnectionHandler({
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|                 'default': {
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|                     'NAME': 'dummy'
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|                 },
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|                 'aliased': {
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|                     'NAME': 'dummy'
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|                 }
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|             })
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|             old_config = runner_instance.setup_databases()
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|             runner_instance.teardown_databases(old_config)
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|         except Exception as e:
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|             self.fail("setup_databases/teardown_databases unexpectedly raised "
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|                       "an error: %s" % e)
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|         finally:
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|             db.connections = old_db_connections
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| 
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| 
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| class SetupDatabasesTests(unittest.TestCase):
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| 
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|     def setUp(self):
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|         self._old_db_connections = db.connections
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|         self._old_destroy_test_db = DatabaseCreation.destroy_test_db
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|         self._old_create_test_db = DatabaseCreation.create_test_db
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|         self.runner_instance = DiscoverRunner(verbosity=0)
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| 
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|     def tearDown(self):
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|         DatabaseCreation.create_test_db = self._old_create_test_db
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|         DatabaseCreation.destroy_test_db = self._old_destroy_test_db
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|         db.connections = self._old_db_connections
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| 
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|     def test_setup_aliased_databases(self):
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|         destroyed_names = []
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|         DatabaseCreation.destroy_test_db = (
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|             lambda self, old_database_name, verbosity=1, keepdb=False, serialize=True:
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|             destroyed_names.append(old_database_name)
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|         )
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|         DatabaseCreation.create_test_db = (
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|             lambda self, verbosity=1, autoclobber=False, keepdb=False, serialize=True:
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|             self._get_test_db_name()
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|         )
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| 
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|         db.connections = db.ConnectionHandler({
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|             'default': {
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|                 'ENGINE': 'django.db.backends.dummy',
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|                 'NAME': 'dbname',
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|             },
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|             'other': {
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|                 'ENGINE': 'django.db.backends.dummy',
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|                 'NAME': 'dbname',
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|             }
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|         })
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| 
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|         old_config = self.runner_instance.setup_databases()
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|         self.runner_instance.teardown_databases(old_config)
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| 
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|         self.assertEqual(destroyed_names.count('dbname'), 1)
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| 
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|     def test_destroy_test_db_restores_db_name(self):
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|         db.connections = db.ConnectionHandler({
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|             'default': {
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|                 'ENGINE': settings.DATABASES[db.DEFAULT_DB_ALIAS]["ENGINE"],
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|                 'NAME': 'xxx_test_database',
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|             },
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|         })
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|         # Using the real current name as old_name to not mess with the test suite.
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|         old_name = settings.DATABASES[db.DEFAULT_DB_ALIAS]["NAME"]
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|         db.connections['default'].creation.destroy_test_db(old_name, verbosity=0, keepdb=True)
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|         self.assertEqual(db.connections['default'].settings_dict["NAME"], old_name)
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| 
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|     def test_serialization(self):
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|         serialize = []
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|         DatabaseCreation.create_test_db = (
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|             lambda *args, **kwargs: serialize.append(kwargs.get('serialize'))
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|         )
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|         db.connections = db.ConnectionHandler({
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|             'default': {
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|                 'ENGINE': 'django.db.backends.dummy',
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|             },
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|         })
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|         self.runner_instance.setup_databases()
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|         self.assertEqual(serialize, [True])
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| 
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|     def test_serialized_off(self):
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|         serialize = []
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|         DatabaseCreation.create_test_db = (
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|             lambda *args, **kwargs: serialize.append(kwargs.get('serialize'))
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|         )
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|         db.connections = db.ConnectionHandler({
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|             'default': {
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|                 'ENGINE': 'django.db.backends.dummy',
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|                 'TEST': {'SERIALIZE': False},
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|             },
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|         })
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|         self.runner_instance.setup_databases()
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|         self.assertEqual(serialize, [False])
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| 
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| 
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| class DeprecationDisplayTest(AdminScriptTestCase):
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|     # tests for 19546
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|     def setUp(self):
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|         settings = {
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|             'DATABASES': '{"default": {"ENGINE":"django.db.backends.sqlite3", "NAME":":memory:"}}'
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|         }
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|         self.write_settings('settings.py', sdict=settings)
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| 
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|     def tearDown(self):
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|         self.remove_settings('settings.py')
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| 
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|     def test_runner_deprecation_verbosity_default(self):
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|         args = ['test', '--settings=test_project.settings', 'test_runner_deprecation_app']
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|         out, err = self.run_django_admin(args)
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|         self.assertIn("Ran 1 test", err)
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|         six.assertRegex(self, err, r"RemovedInDjango\d\dWarning: warning from test")
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|         six.assertRegex(self, err, r"RemovedInDjango\d\dWarning: module-level warning from deprecation_app")
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| 
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|     def test_runner_deprecation_verbosity_zero(self):
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|         args = ['test', '--settings=test_project.settings', '--verbosity=0', 'test_runner_deprecation_app']
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|         out, err = self.run_django_admin(args)
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|         self.assertIn("Ran 1 test", err)
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|         self.assertNotIn("warning from test", err)
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| 
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| 
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| class AutoIncrementResetTest(TransactionTestCase):
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|     """
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|     Here we test creating the same model two times in different test methods,
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|     and check that both times they get "1" as their PK value. That is, we test
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|     that AutoField values start from 1 for each transactional test case.
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|     """
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| 
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|     available_apps = ['test_runner']
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| 
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|     reset_sequences = True
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| 
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|     @skipUnlessDBFeature('supports_sequence_reset')
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|     def test_autoincrement_reset1(self):
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|         p = Person.objects.create(first_name='Jack', last_name='Smith')
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|         self.assertEqual(p.pk, 1)
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| 
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|     @skipUnlessDBFeature('supports_sequence_reset')
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|     def test_autoincrement_reset2(self):
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|         p = Person.objects.create(first_name='Jack', last_name='Smith')
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|         self.assertEqual(p.pk, 1)
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