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425 lines
15 KiB
Python
425 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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import unittest
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from admin_scripts.tests import AdminScriptTestCase
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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 (
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TestCase, TransactionTestCase, mock, skipUnlessDBFeature,
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)
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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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from .models import Person
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class DependencyOrderingTests(unittest.TestCase):
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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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ordered = dependency_ordered(raw, dependencies=dependencies)
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ordered_sigs = [sig for sig, value in ordered]
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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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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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ordered = dependency_ordered(raw, dependencies=dependencies)
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ordered_sigs = [sig for sig, value in ordered]
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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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# 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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# Implied dependencies
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self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1'))
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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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ordered = dependency_ordered(raw, dependencies=dependencies)
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ordered_sigs = [sig for sig, aliases in ordered]
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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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# 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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# Implicit dependencies
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self.assertLess(ordered_sigs.index('s3'), ordered_sigs.index('s1'))
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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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self.assertRaises(ImproperlyConfigured, dependency_ordered, raw, dependencies=dependencies)
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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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with self.assertRaises(ImproperlyConfigured):
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dependency_ordered(raw, dependencies=dependencies)
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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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with self.assertRaises(ImproperlyConfigured):
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dependency_ordered(raw, dependencies=dependencies)
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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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MockTestRunner.run_tests = mock.Mock(return_value=[])
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class ManageCommandTests(unittest.TestCase):
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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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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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class CustomOptionsTestRunner(DiscoverRunner):
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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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@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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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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class CustomTestRunnerOptionsTests(AdminScriptTestCase):
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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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def tearDown(self):
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self.remove_settings('settings.py')
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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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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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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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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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class Ticket17477RegressionTests(AdminScriptTestCase):
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def setUp(self):
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self.write_settings('settings.py')
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def tearDown(self):
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self.remove_settings('settings.py')
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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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class Sqlite3InMemoryTestDbs(TestCase):
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available_apps = []
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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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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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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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class SetupDatabasesTests(unittest.TestCase):
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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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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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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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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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old_config = self.runner_instance.setup_databases()
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self.runner_instance.teardown_databases(old_config)
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self.assertEqual(destroyed_names.count('dbname'), 1)
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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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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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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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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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def tearDown(self):
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self.remove_settings('settings.py')
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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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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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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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available_apps = ['test_runner']
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reset_sequences = True
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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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@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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