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d818e0c9b2
This is the result of Christopher Medrela's 2013 Summer of Code project. Thanks also to Preston Holmes, Tim Graham, Anssi Kääriäinen, Florian Apolloner, and Alex Gaynor for review notes along the way. Also: Fixes #8579, fixes #3055, fixes #19844.
401 lines
15 KiB
Python
401 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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from optparse import make_option
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import types
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import unittest
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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 import db
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from django.test import runner, TestCase, TransactionTestCase, skipUnlessDBFeature
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from django.test.testcases import connections_support_transactions
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from django.test.utils import IgnoreAllDeprecationWarningsMixin, override_system_checks
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from admin_scripts.tests import AdminScriptTestCase
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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 = runner.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 = runner.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 = runner.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, runner.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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runner.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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runner.dependency_ordered(raw, dependencies=dependencies)
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class MockTestRunner(object):
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invoked = False
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def __init__(self, *args, **kwargs):
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pass
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def run_tests(self, test_labels, extra_tests=None, **kwargs):
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MockTestRunner.invoked = True
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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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self.assertTrue(MockTestRunner.invoked,
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"The custom test runner has not been invoked")
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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(runner.DiscoverRunner):
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option_list = (
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make_option('--option_a', '-a', action='store', dest='option_a', default='1'),
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make_option('--option_b', '-b', action='store', dest='option_b', default='2'),
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make_option('--option_c', '-c', action='store', dest='option_c', default='3'),
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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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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 ModulesTestsPackages(IgnoreAllDeprecationWarningsMixin, unittest.TestCase):
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def test_get_tests(self):
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"Check that the get_tests helper function can find tests in a directory"
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from django.apps import AppConfig
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from django.test.simple import get_tests
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app_config = AppConfig.create('test_runner.valid_app')
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app_config.import_models({})
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tests = get_tests(app_config)
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self.assertIsInstance(tests, types.ModuleType)
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def test_import_error(self):
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"Test for #12658 - Tests with ImportError's shouldn't fail silently"
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from django.apps import AppConfig
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from django.test.simple import get_tests
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app_config = AppConfig.create('test_runner_invalid_app')
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app_config.import_models({})
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with self.assertRaises(ImportError):
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get_tests(app_config)
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class Sqlite3InMemoryTestDbs(TestCase):
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available_apps = []
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# `setup_databases` triggers system check framework, but we do not want to
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# perform checks.
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@override_system_checks([])
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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 in ('NAME', 'TEST_NAME'):
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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: ':memory:',
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},
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'other': {
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'ENGINE': 'django.db.backends.sqlite3',
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option: ':memory:',
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},
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})
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other = db.connections['other']
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runner.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
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# Transaction support should be properly initialised 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 = runner.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 = runner.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 AliasedDatabaseTeardownTest(unittest.TestCase):
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def test_setup_aliased_databases(self):
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from django.db.backends.dummy.base import DatabaseCreation
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runner_instance = runner.DiscoverRunner(verbosity=0)
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old_db_connections = db.connections
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old_destroy_test_db = DatabaseCreation.destroy_test_db
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old_create_test_db = DatabaseCreation.create_test_db
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try:
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destroyed_names = []
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DatabaseCreation.destroy_test_db = lambda self, old_database_name, verbosity=1: destroyed_names.append(old_database_name)
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DatabaseCreation.create_test_db = lambda self, verbosity=1, autoclobber=False: self._get_test_db_name()
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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 = runner_instance.setup_databases()
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runner_instance.teardown_databases(old_config)
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self.assertEqual(destroyed_names.count('dbname'), 1)
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finally:
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DatabaseCreation.create_test_db = old_create_test_db
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DatabaseCreation.destroy_test_db = old_destroy_test_db
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db.connections = old_db_connections
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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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self.assertIn("DeprecationWarning: warning from test", err)
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self.assertIn("DeprecationWarning: module-level warning from deprecation_app", err)
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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.assertFalse("DeprecationWarning: warning from test" in 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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