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308 lines
11 KiB
Python
308 lines
11 KiB
Python
import sys
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from io import StringIO
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from django.apps import apps
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from django.core import checks
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from django.core.checks import Error, Warning
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from django.core.checks.registry import CheckRegistry
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from django.core.management import call_command
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from django.core.management.base import CommandError
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from django.db import models
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from django.test import SimpleTestCase
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from django.test.utils import (
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isolate_apps, override_settings, override_system_checks,
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)
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from .models import SimpleModel, my_check
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class DummyObj:
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def __repr__(self):
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return "obj"
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class SystemCheckFrameworkTests(SimpleTestCase):
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def test_register_and_run_checks(self):
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def f(**kwargs):
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calls[0] += 1
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return [1, 2, 3]
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def f2(**kwargs):
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return [4]
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def f3(**kwargs):
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return [5]
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calls = [0]
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# test register as decorator
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registry = CheckRegistry()
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registry.register()(f)
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registry.register("tag1", "tag2")(f2)
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registry.register("tag2", deploy=True)(f3)
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# test register as function
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registry2 = CheckRegistry()
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registry2.register(f)
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registry2.register(f2, "tag1", "tag2")
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registry2.register(f3, "tag2", deploy=True)
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# check results
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errors = registry.run_checks()
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errors2 = registry2.run_checks()
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self.assertEqual(errors, errors2)
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self.assertEqual(sorted(errors), [1, 2, 3, 4])
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self.assertEqual(calls[0], 2)
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errors = registry.run_checks(tags=["tag1"])
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errors2 = registry2.run_checks(tags=["tag1"])
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self.assertEqual(errors, errors2)
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self.assertEqual(sorted(errors), [4])
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errors = registry.run_checks(tags=["tag1", "tag2"], include_deployment_checks=True)
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errors2 = registry2.run_checks(tags=["tag1", "tag2"], include_deployment_checks=True)
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self.assertEqual(errors, errors2)
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self.assertEqual(sorted(errors), [4, 5])
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class MessageTests(SimpleTestCase):
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def test_printing(self):
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e = Error("Message", hint="Hint", obj=DummyObj())
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expected = "obj: Message\n\tHINT: Hint"
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self.assertEqual(str(e), expected)
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def test_printing_no_hint(self):
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e = Error("Message", obj=DummyObj())
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expected = "obj: Message"
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self.assertEqual(str(e), expected)
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def test_printing_no_object(self):
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e = Error("Message", hint="Hint")
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expected = "?: Message\n\tHINT: Hint"
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self.assertEqual(str(e), expected)
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def test_printing_with_given_id(self):
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e = Error("Message", hint="Hint", obj=DummyObj(), id="ID")
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expected = "obj: (ID) Message\n\tHINT: Hint"
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self.assertEqual(str(e), expected)
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def test_printing_field_error(self):
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field = SimpleModel._meta.get_field('field')
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e = Error("Error", obj=field)
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expected = "check_framework.SimpleModel.field: Error"
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self.assertEqual(str(e), expected)
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def test_printing_model_error(self):
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e = Error("Error", obj=SimpleModel)
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expected = "check_framework.SimpleModel: Error"
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self.assertEqual(str(e), expected)
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def test_printing_manager_error(self):
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manager = SimpleModel.manager
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e = Error("Error", obj=manager)
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expected = "check_framework.SimpleModel.manager: Error"
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self.assertEqual(str(e), expected)
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def test_equal_to_self(self):
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e = Error("Error", obj=SimpleModel)
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self.assertEqual(e, e)
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def test_equal_to_same_constructed_check(self):
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e1 = Error("Error", obj=SimpleModel)
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e2 = Error("Error", obj=SimpleModel)
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self.assertEqual(e1, e2)
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def test_not_equal_to_different_constructed_check(self):
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e1 = Error("Error", obj=SimpleModel)
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e2 = Error("Error2", obj=SimpleModel)
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self.assertNotEqual(e1, e2)
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def test_not_equal_to_non_check(self):
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e = Error("Error", obj=DummyObj())
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self.assertNotEqual(e, 'a string')
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def simple_system_check(**kwargs):
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simple_system_check.kwargs = kwargs
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return []
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def tagged_system_check(**kwargs):
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tagged_system_check.kwargs = kwargs
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return [checks.Warning('System Check')]
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tagged_system_check.tags = ['simpletag']
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def deployment_system_check(**kwargs):
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deployment_system_check.kwargs = kwargs
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return [checks.Warning('Deployment Check')]
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deployment_system_check.tags = ['deploymenttag']
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class CheckCommandTests(SimpleTestCase):
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def setUp(self):
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simple_system_check.kwargs = None
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tagged_system_check.kwargs = None
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self.old_stdout, self.old_stderr = sys.stdout, sys.stderr
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sys.stdout, sys.stderr = StringIO(), StringIO()
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def tearDown(self):
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sys.stdout, sys.stderr = self.old_stdout, self.old_stderr
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@override_system_checks([simple_system_check, tagged_system_check])
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def test_simple_call(self):
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call_command('check')
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self.assertEqual(simple_system_check.kwargs, {'app_configs': None})
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self.assertEqual(tagged_system_check.kwargs, {'app_configs': None})
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@override_system_checks([simple_system_check, tagged_system_check])
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def test_given_app(self):
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call_command('check', 'auth', 'admin')
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auth_config = apps.get_app_config('auth')
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admin_config = apps.get_app_config('admin')
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self.assertEqual(simple_system_check.kwargs, {'app_configs': [auth_config, admin_config]})
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self.assertEqual(tagged_system_check.kwargs, {'app_configs': [auth_config, admin_config]})
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@override_system_checks([simple_system_check, tagged_system_check])
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def test_given_tag(self):
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call_command('check', tags=['simpletag'])
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self.assertIsNone(simple_system_check.kwargs)
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self.assertEqual(tagged_system_check.kwargs, {'app_configs': None})
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@override_system_checks([simple_system_check, tagged_system_check])
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def test_invalid_tag(self):
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msg = 'There is no system check with the "missingtag" tag.'
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with self.assertRaisesMessage(CommandError, msg):
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call_command('check', tags=['missingtag'])
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@override_system_checks([simple_system_check])
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def test_list_tags_empty(self):
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call_command('check', list_tags=True)
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self.assertEqual('\n', sys.stdout.getvalue())
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@override_system_checks([tagged_system_check])
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def test_list_tags(self):
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call_command('check', list_tags=True)
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self.assertEqual('simpletag\n', sys.stdout.getvalue())
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@override_system_checks([tagged_system_check], deployment_checks=[deployment_system_check])
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def test_list_deployment_check_omitted(self):
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call_command('check', list_tags=True)
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self.assertEqual('simpletag\n', sys.stdout.getvalue())
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@override_system_checks([tagged_system_check], deployment_checks=[deployment_system_check])
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def test_list_deployment_check_included(self):
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call_command('check', deploy=True, list_tags=True)
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self.assertEqual('deploymenttag\nsimpletag\n', sys.stdout.getvalue())
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@override_system_checks([tagged_system_check], deployment_checks=[deployment_system_check])
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def test_tags_deployment_check_omitted(self):
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msg = 'There is no system check with the "deploymenttag" tag.'
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with self.assertRaisesMessage(CommandError, msg):
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call_command('check', tags=['deploymenttag'])
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@override_system_checks([tagged_system_check], deployment_checks=[deployment_system_check])
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def test_tags_deployment_check_included(self):
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call_command('check', deploy=True, tags=['deploymenttag'])
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self.assertIn('Deployment Check', sys.stderr.getvalue())
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@override_system_checks([tagged_system_check])
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def test_fail_level(self):
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with self.assertRaises(CommandError):
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call_command('check', fail_level='WARNING')
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def custom_error_system_check(app_configs, **kwargs):
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return [Error('Error', id='myerrorcheck.E001')]
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def custom_warning_system_check(app_configs, **kwargs):
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return [Warning('Warning', id='mywarningcheck.E001')]
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class SilencingCheckTests(SimpleTestCase):
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def setUp(self):
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self.old_stdout, self.old_stderr = sys.stdout, sys.stderr
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self.stdout, self.stderr = StringIO(), StringIO()
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sys.stdout, sys.stderr = self.stdout, self.stderr
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def tearDown(self):
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sys.stdout, sys.stderr = self.old_stdout, self.old_stderr
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@override_settings(SILENCED_SYSTEM_CHECKS=['myerrorcheck.E001'])
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@override_system_checks([custom_error_system_check])
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def test_silenced_error(self):
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out = StringIO()
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err = StringIO()
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call_command('check', stdout=out, stderr=err)
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self.assertEqual(out.getvalue(), 'System check identified no issues (1 silenced).\n')
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self.assertEqual(err.getvalue(), '')
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@override_settings(SILENCED_SYSTEM_CHECKS=['mywarningcheck.E001'])
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@override_system_checks([custom_warning_system_check])
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def test_silenced_warning(self):
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out = StringIO()
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err = StringIO()
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call_command('check', stdout=out, stderr=err)
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self.assertEqual(out.getvalue(), 'System check identified no issues (1 silenced).\n')
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self.assertEqual(err.getvalue(), '')
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class CheckFrameworkReservedNamesTests(SimpleTestCase):
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@isolate_apps('check_framework', kwarg_name='apps')
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@override_system_checks([checks.model_checks.check_all_models])
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def test_model_check_method_not_shadowed(self, apps):
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class ModelWithAttributeCalledCheck(models.Model):
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check = 42
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class ModelWithFieldCalledCheck(models.Model):
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check = models.IntegerField()
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class ModelWithRelatedManagerCalledCheck(models.Model):
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pass
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class ModelWithDescriptorCalledCheck(models.Model):
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check = models.ForeignKey(ModelWithRelatedManagerCalledCheck, models.CASCADE)
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article = models.ForeignKey(
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ModelWithRelatedManagerCalledCheck,
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models.CASCADE,
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related_name='check',
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)
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errors = checks.run_checks(app_configs=apps.get_app_configs())
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expected = [
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Error(
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"The 'ModelWithAttributeCalledCheck.check()' class method is "
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"currently overridden by 42.",
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obj=ModelWithAttributeCalledCheck,
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id='models.E020'
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),
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Error(
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"The 'ModelWithRelatedManagerCalledCheck.check()' class method is "
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"currently overridden by %r." % ModelWithRelatedManagerCalledCheck.check,
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obj=ModelWithRelatedManagerCalledCheck,
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id='models.E020'
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),
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Error(
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"The 'ModelWithDescriptorCalledCheck.check()' class method is "
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"currently overridden by %r." % ModelWithDescriptorCalledCheck.check,
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obj=ModelWithDescriptorCalledCheck,
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id='models.E020'
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),
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]
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self.assertEqual(errors, expected)
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class ChecksRunDuringTests(SimpleTestCase):
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def test_registered_check_did_run(self):
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self.assertTrue(my_check.did_run)
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