/usr/lib/python3/dist-packages/celery/tests/app/test_loaders.py is in python3-celery 3.1.23-7.
This file is owned by root:root, with mode 0o644.
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import os
import sys
import warnings
from celery import loaders
from celery.exceptions import (
NotConfigured,
)
from celery.loaders import base
from celery.loaders import default
from celery.loaders.app import AppLoader
from celery.utils.imports import NotAPackage
from celery.utils.mail import SendmailWarning
from celery.tests.case import (
AppCase, Case, Mock, depends_on_current_app, patch, with_environ,
)
class DummyLoader(base.BaseLoader):
def read_configuration(self):
return {'foo': 'bar', 'CELERY_IMPORTS': ('os', 'sys')}
class test_loaders(AppCase):
def test_get_loader_cls(self):
self.assertEqual(loaders.get_loader_cls('default'),
default.Loader)
@depends_on_current_app
def test_current_loader(self):
with self.assertPendingDeprecation():
self.assertIs(loaders.current_loader(), self.app.loader)
@depends_on_current_app
def test_load_settings(self):
with self.assertPendingDeprecation():
self.assertIs(loaders.load_settings(), self.app.conf)
class test_LoaderBase(AppCase):
message_options = {'subject': 'Subject',
'body': 'Body',
'sender': 'x@x.com',
'to': 'y@x.com'}
server_options = {'host': 'smtp.x.com',
'port': 1234,
'user': 'x',
'password': 'qwerty',
'timeout': 3}
def setup(self):
self.loader = DummyLoader(app=self.app)
def test_handlers_pass(self):
self.loader.on_task_init('foo.task', 'feedface-cafebabe')
self.loader.on_worker_init()
def test_now(self):
self.assertTrue(self.loader.now(utc=True))
self.assertTrue(self.loader.now(utc=False))
def test_read_configuration_no_env(self):
self.assertDictEqual(
base.BaseLoader(app=self.app).read_configuration(
'FOO_X_S_WE_WQ_Q_WE'),
{},
)
def test_autodiscovery(self):
with patch('celery.loaders.base.autodiscover_tasks') as auto:
auto.return_value = [Mock()]
auto.return_value[0].__name__ = 'moo'
self.loader.autodiscover_tasks(['A', 'B'])
self.assertIn('moo', self.loader.task_modules)
self.loader.task_modules.discard('moo')
def test_import_task_module(self):
self.assertEqual(sys, self.loader.import_task_module('sys'))
def test_init_worker_process(self):
self.loader.on_worker_process_init()
m = self.loader.on_worker_process_init = Mock()
self.loader.init_worker_process()
m.assert_called_with()
def test_config_from_object_module(self):
self.loader.import_from_cwd = Mock()
self.loader.config_from_object('module_name')
self.loader.import_from_cwd.assert_called_with('module_name')
def test_conf_property(self):
self.assertEqual(self.loader.conf['foo'], 'bar')
self.assertEqual(self.loader._conf['foo'], 'bar')
self.assertEqual(self.loader.conf['foo'], 'bar')
def test_import_default_modules(self):
def modnames(l):
return [m.__name__ for m in l]
self.app.conf.CELERY_IMPORTS = ('os', 'sys')
self.assertEqual(
sorted(modnames(self.loader.import_default_modules())),
sorted(modnames([os, sys])),
)
def test_import_from_cwd_custom_imp(self):
def imp(module, package=None):
imp.called = True
imp.called = False
self.loader.import_from_cwd('foo', imp=imp)
self.assertTrue(imp.called)
@patch('celery.utils.mail.Mailer._send')
def test_mail_admins_errors(self, send):
send.side_effect = KeyError()
opts = dict(self.message_options, **self.server_options)
with self.assertWarnsRegex(SendmailWarning, r'KeyError'):
self.loader.mail_admins(fail_silently=True, **opts)
with self.assertRaises(KeyError):
self.loader.mail_admins(fail_silently=False, **opts)
@patch('celery.utils.mail.Mailer._send')
def test_mail_admins(self, send):
opts = dict(self.message_options, **self.server_options)
self.loader.mail_admins(**opts)
self.assertTrue(send.call_args)
message = send.call_args[0][0]
self.assertEqual(message.to, [self.message_options['to']])
self.assertEqual(message.subject, self.message_options['subject'])
self.assertEqual(message.sender, self.message_options['sender'])
self.assertEqual(message.body, self.message_options['body'])
def test_mail_attribute(self):
from celery.utils import mail
loader = base.BaseLoader(app=self.app)
self.assertIs(loader.mail, mail)
def test_cmdline_config_ValueError(self):
with self.assertRaises(ValueError):
self.loader.cmdline_config_parser(['broker.port=foobar'])
class test_DefaultLoader(AppCase):
@patch('celery.loaders.base.find_module')
def test_read_configuration_not_a_package(self, find_module):
find_module.side_effect = NotAPackage()
l = default.Loader(app=self.app)
with self.assertRaises(NotAPackage):
l.read_configuration(fail_silently=False)
@patch('celery.loaders.base.find_module')
@with_environ('CELERY_CONFIG_MODULE', 'celeryconfig.py')
def test_read_configuration_py_in_name(self, find_module):
find_module.side_effect = NotAPackage()
l = default.Loader(app=self.app)
with self.assertRaises(NotAPackage):
l.read_configuration(fail_silently=False)
@patch('celery.loaders.base.find_module')
def test_read_configuration_importerror(self, find_module):
default.C_WNOCONF = True
find_module.side_effect = ImportError()
l = default.Loader(app=self.app)
with self.assertWarnsRegex(NotConfigured, r'make sure it exists'):
l.read_configuration(fail_silently=True)
default.C_WNOCONF = False
l.read_configuration(fail_silently=True)
def test_read_configuration(self):
from types import ModuleType
class ConfigModule(ModuleType):
pass
configname = os.environ.get('CELERY_CONFIG_MODULE') or 'celeryconfig'
celeryconfig = ConfigModule(configname)
celeryconfig.CELERY_IMPORTS = ('os', 'sys')
prevconfig = sys.modules.get(configname)
sys.modules[configname] = celeryconfig
try:
l = default.Loader(app=self.app)
l.find_module = Mock(name='find_module')
settings = l.read_configuration(fail_silently=False)
self.assertTupleEqual(settings.CELERY_IMPORTS, ('os', 'sys'))
settings = l.read_configuration(fail_silently=False)
self.assertTupleEqual(settings.CELERY_IMPORTS, ('os', 'sys'))
l.on_worker_init()
finally:
if prevconfig:
sys.modules[configname] = prevconfig
def test_import_from_cwd(self):
l = default.Loader(app=self.app)
old_path = list(sys.path)
try:
sys.path.remove(os.getcwd())
except ValueError:
pass
celery = sys.modules.pop('celery', None)
sys.modules.pop('celery.five', None)
try:
self.assertTrue(l.import_from_cwd('celery'))
sys.modules.pop('celery', None)
sys.modules.pop('celery.five', None)
sys.path.insert(0, os.getcwd())
self.assertTrue(l.import_from_cwd('celery'))
finally:
sys.path = old_path
sys.modules['celery'] = celery
def test_unconfigured_settings(self):
context_executed = [False]
class _Loader(default.Loader):
def find_module(self, name):
raise ImportError(name)
with warnings.catch_warnings(record=True):
l = _Loader(app=self.app)
self.assertFalse(l.configured)
context_executed[0] = True
self.assertTrue(context_executed[0])
class test_AppLoader(AppCase):
def setup(self):
self.loader = AppLoader(app=self.app)
def test_on_worker_init(self):
self.app.conf.CELERY_IMPORTS = ('subprocess', )
sys.modules.pop('subprocess', None)
self.loader.init_worker()
self.assertIn('subprocess', sys.modules)
class test_autodiscovery(Case):
def test_autodiscover_tasks(self):
base._RACE_PROTECTION = True
try:
base.autodiscover_tasks(['foo'])
finally:
base._RACE_PROTECTION = False
with patch('celery.loaders.base.find_related_module') as frm:
base.autodiscover_tasks(['foo'])
self.assertTrue(frm.called)
def test_find_related_module(self):
with patch('importlib.import_module') as imp:
with patch('imp.find_module') as find:
imp.return_value = Mock()
imp.return_value.__path__ = 'foo'
base.find_related_module(base, 'tasks')
def se1(val):
imp.side_effect = AttributeError()
imp.side_effect = se1
base.find_related_module(base, 'tasks')
imp.side_effect = None
find.side_effect = ImportError()
base.find_related_module(base, 'tasks')
|