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313 lines
11 KiB
Python
313 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import sys
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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 TestCase
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from django.test.utils import override_settings, override_system_checks
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from django.utils.encoding import force_text
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from django.utils.six import StringIO
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from .models import SimpleModel
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class DummyObj(object):
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def __repr__(self):
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return "obj"
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class SystemCheckFrameworkTests(TestCase):
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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(TestCase):
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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(force_text(e), expected)
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def test_printing_no_hint(self):
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e = Error("Message", hint=None, obj=DummyObj())
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expected = "obj: Message"
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self.assertEqual(force_text(e), expected)
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def test_printing_no_object(self):
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e = Error("Message", hint="Hint", obj=None)
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expected = "?: Message\n\tHINT: Hint"
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self.assertEqual(force_text(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(force_text(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", hint=None, obj=field)
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expected = "check_framework.SimpleModel.field: Error"
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self.assertEqual(force_text(e), expected)
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def test_printing_model_error(self):
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e = Error("Error", hint=None, obj=SimpleModel)
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expected = "check_framework.SimpleModel: Error"
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self.assertEqual(force_text(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", hint=None, obj=manager)
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expected = "check_framework.SimpleModel.manager: Error"
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self.assertEqual(force_text(e), expected)
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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 []
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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(TestCase):
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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.assertEqual(simple_system_check.kwargs, 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_invalid_tag(self):
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self.assertRaises(CommandError, 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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def custom_error_system_check(app_configs, **kwargs):
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return [
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Error(
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'Error',
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hint=None,
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id='myerrorcheck.E001',
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)
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]
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def custom_warning_system_check(app_configs, **kwargs):
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return [
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Warning(
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'Warning',
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hint=None,
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id='mywarningcheck.E001',
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)
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]
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class SilencingCheckTests(TestCase):
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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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try:
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call_command('check', stdout=out, stderr=err)
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except CommandError:
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self.fail("The mycheck.E001 check should be silenced.")
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self.assertEqual(out.getvalue(), '')
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self.assertEqual(
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err.getvalue(),
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'System check identified some issues:\n\n'
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'ERRORS:\n'
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'?: (myerrorcheck.E001) Error\n\n'
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'System check identified 1 issue (0 silenced).\n'
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)
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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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try:
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call_command('check', stdout=out, stderr=err)
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except CommandError:
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self.fail("The mycheck.E001 check should be silenced.")
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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 IsolateModelsMixin(object):
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def setUp(self):
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self.current_models = apps.all_models[__package__]
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self.saved_models = set(self.current_models)
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def tearDown(self):
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for model in (set(self.current_models) - self.saved_models):
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del self.current_models[model]
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apps.clear_cache()
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class CheckFrameworkReservedNamesTests(IsolateModelsMixin, TestCase):
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@override_settings(
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SILENCED_SYSTEM_CHECKS=['models.E20', 'fields.W342'], # ForeignKey(unique=True)
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INSTALLED_APPS=['django.contrib.auth', 'django.contrib.contenttypes', 'check_framework']
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)
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def test_model_check_method_not_shadowed(self):
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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)
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article = models.ForeignKey(ModelWithRelatedManagerCalledCheck, related_name='check')
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errors = checks.run_checks()
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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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hint=None,
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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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hint=None,
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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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hint=None,
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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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