/usr/lib/python3/dist-packages/celery/tests/bin/test_base.py is in python3-celery 3.1.20-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import os
from celery.bin.base import (
Command,
Option,
Extensions,
HelpFormatter,
)
from celery.tests.case import (
AppCase, Mock, depends_on_current_app, override_stdouts, patch,
)
class Object(object):
pass
class MyApp(object):
user_options = {'preload': None}
APP = MyApp() # <-- Used by test_with_custom_app
class MockCommand(Command):
mock_args = ('arg1', 'arg2', 'arg3')
def parse_options(self, prog_name, arguments, command=None):
options = Object()
options.foo = 'bar'
options.prog_name = prog_name
return options, self.mock_args
def run(self, *args, **kwargs):
return args, kwargs
class test_Extensions(AppCase):
def test_load(self):
with patch('pkg_resources.iter_entry_points') as iterep:
with patch('celery.bin.base.symbol_by_name') as symbyname:
ep = Mock()
ep.name = 'ep'
ep.module_name = 'foo'
ep.attrs = ['bar', 'baz']
iterep.return_value = [ep]
cls = symbyname.return_value = Mock()
register = Mock()
e = Extensions('unit', register)
e.load()
symbyname.assert_called_with('foo:bar')
register.assert_called_with(cls, name='ep')
with patch('celery.bin.base.symbol_by_name') as symbyname:
symbyname.side_effect = SyntaxError()
with patch('warnings.warn') as warn:
e.load()
self.assertTrue(warn.called)
with patch('celery.bin.base.symbol_by_name') as symbyname:
symbyname.side_effect = KeyError('foo')
with self.assertRaises(KeyError):
e.load()
class test_HelpFormatter(AppCase):
def test_format_epilog(self):
f = HelpFormatter()
self.assertTrue(f.format_epilog('hello'))
self.assertFalse(f.format_epilog(''))
def test_format_description(self):
f = HelpFormatter()
self.assertTrue(f.format_description('hello'))
class test_Command(AppCase):
def test_get_options(self):
cmd = Command()
cmd.option_list = (1, 2, 3)
self.assertTupleEqual(cmd.get_options(), (1, 2, 3))
def test_custom_description(self):
class C(Command):
description = 'foo'
c = C()
self.assertEqual(c.description, 'foo')
def test_register_callbacks(self):
c = Command(on_error=8, on_usage_error=9)
self.assertEqual(c.on_error, 8)
self.assertEqual(c.on_usage_error, 9)
def test_run_raises_UsageError(self):
cb = Mock()
c = Command(on_usage_error=cb)
c.verify_args = Mock()
c.run = Mock()
exc = c.run.side_effect = c.UsageError('foo', status=3)
self.assertEqual(c(), exc.status)
cb.assert_called_with(exc)
c.verify_args.assert_called_with(())
def test_default_on_usage_error(self):
cmd = Command()
cmd.handle_error = Mock()
exc = Exception()
cmd.on_usage_error(exc)
cmd.handle_error.assert_called_with(exc)
def test_verify_args_missing(self):
c = Command()
def run(a, b, c):
pass
c.run = run
with self.assertRaises(c.UsageError):
c.verify_args((1, ))
c.verify_args((1, 2, 3))
def test_run_interface(self):
with self.assertRaises(NotImplementedError):
Command().run()
@patch('sys.stdout')
def test_early_version(self, stdout):
cmd = Command()
with self.assertRaises(SystemExit):
cmd.early_version(['--version'])
def test_execute_from_commandline(self):
cmd = MockCommand(app=self.app)
args1, kwargs1 = cmd.execute_from_commandline() # sys.argv
self.assertTupleEqual(args1, cmd.mock_args)
self.assertDictContainsSubset({'foo': 'bar'}, kwargs1)
self.assertTrue(kwargs1.get('prog_name'))
args2, kwargs2 = cmd.execute_from_commandline(['foo']) # pass list
self.assertTupleEqual(args2, cmd.mock_args)
self.assertDictContainsSubset({'foo': 'bar', 'prog_name': 'foo'},
kwargs2)
def test_with_bogus_args(self):
with override_stdouts() as (_, stderr):
cmd = MockCommand(app=self.app)
cmd.supports_args = False
with self.assertRaises(SystemExit):
cmd.execute_from_commandline(argv=['--bogus'])
self.assertTrue(stderr.getvalue())
self.assertIn('Unrecognized', stderr.getvalue())
def test_with_custom_config_module(self):
prev = os.environ.pop('CELERY_CONFIG_MODULE', None)
try:
cmd = MockCommand(app=self.app)
cmd.setup_app_from_commandline(['--config=foo.bar.baz'])
self.assertEqual(os.environ.get('CELERY_CONFIG_MODULE'),
'foo.bar.baz')
finally:
if prev:
os.environ['CELERY_CONFIG_MODULE'] = prev
else:
os.environ.pop('CELERY_CONFIG_MODULE', None)
def test_with_custom_broker(self):
prev = os.environ.pop('CELERY_BROKER_URL', None)
try:
cmd = MockCommand(app=self.app)
cmd.setup_app_from_commandline(['--broker=xyzza://'])
self.assertEqual(
os.environ.get('CELERY_BROKER_URL'), 'xyzza://',
)
finally:
if prev:
os.environ['CELERY_BROKER_URL'] = prev
else:
os.environ.pop('CELERY_BROKER_URL', None)
def test_with_custom_app(self):
cmd = MockCommand(app=self.app)
app = '.'.join([__name__, 'APP'])
cmd.setup_app_from_commandline(['--app=%s' % (app, ),
'--loglevel=INFO'])
self.assertIs(cmd.app, APP)
cmd.setup_app_from_commandline(['-A', app,
'--loglevel=INFO'])
self.assertIs(cmd.app, APP)
def test_setup_app_sets_quiet(self):
cmd = MockCommand(app=self.app)
cmd.setup_app_from_commandline(['-q'])
self.assertTrue(cmd.quiet)
cmd2 = MockCommand(app=self.app)
cmd2.setup_app_from_commandline(['--quiet'])
self.assertTrue(cmd2.quiet)
def test_setup_app_sets_chdir(self):
with patch('os.chdir') as chdir:
cmd = MockCommand(app=self.app)
cmd.setup_app_from_commandline(['--workdir=/opt'])
chdir.assert_called_with('/opt')
def test_setup_app_sets_loader(self):
prev = os.environ.get('CELERY_LOADER')
try:
cmd = MockCommand(app=self.app)
cmd.setup_app_from_commandline(['--loader=X.Y:Z'])
self.assertEqual(os.environ['CELERY_LOADER'], 'X.Y:Z')
finally:
if prev is not None:
os.environ['CELERY_LOADER'] = prev
def test_setup_app_no_respect(self):
cmd = MockCommand(app=self.app)
cmd.respects_app_option = False
with patch('celery.bin.base.Celery') as cp:
cmd.setup_app_from_commandline(['--app=x.y:z'])
self.assertTrue(cp.called)
def test_setup_app_custom_app(self):
cmd = MockCommand(app=self.app)
app = cmd.app = Mock()
app.user_options = {'preload': None}
cmd.setup_app_from_commandline([])
self.assertEqual(cmd.app, app)
def test_find_app_suspects(self):
cmd = MockCommand(app=self.app)
self.assertTrue(cmd.find_app('celery.tests.bin.proj.app'))
self.assertTrue(cmd.find_app('celery.tests.bin.proj'))
self.assertTrue(cmd.find_app('celery.tests.bin.proj:hello'))
self.assertTrue(cmd.find_app('celery.tests.bin.proj.app:app'))
with self.assertRaises(AttributeError):
cmd.find_app(__name__)
def test_host_format(self):
cmd = MockCommand(app=self.app)
with patch('socket.gethostname') as hn:
hn.return_value = 'blacktron.example.com'
self.assertEqual(cmd.host_format(''), '')
self.assertEqual(
cmd.host_format('celery@%h'),
'celery@blacktron.example.com',
)
self.assertEqual(
cmd.host_format('celery@%d'),
'celery@example.com',
)
self.assertEqual(
cmd.host_format('celery@%n'),
'celery@blacktron',
)
def test_say_chat_quiet(self):
cmd = MockCommand(app=self.app)
cmd.quiet = True
self.assertIsNone(cmd.say_chat('<-', 'foo', 'foo'))
def test_say_chat_show_body(self):
cmd = MockCommand(app=self.app)
cmd.out = Mock()
cmd.show_body = True
cmd.say_chat('->', 'foo', 'body')
cmd.out.assert_called_with('body')
def test_say_chat_no_body(self):
cmd = MockCommand(app=self.app)
cmd.out = Mock()
cmd.show_body = False
cmd.say_chat('->', 'foo', 'body')
@depends_on_current_app
def test_with_cmdline_config(self):
cmd = MockCommand(app=self.app)
cmd.enable_config_from_cmdline = True
cmd.namespace = 'celeryd'
rest = cmd.setup_app_from_commandline(argv=[
'--loglevel=INFO', '--',
'broker.url=amqp://broker.example.com',
'.prefetch_multiplier=100'])
self.assertEqual(cmd.app.conf.BROKER_URL,
'amqp://broker.example.com')
self.assertEqual(cmd.app.conf.CELERYD_PREFETCH_MULTIPLIER, 100)
self.assertListEqual(rest, ['--loglevel=INFO'])
def test_find_app(self):
cmd = MockCommand(app=self.app)
with patch('celery.bin.base.symbol_by_name') as sbn:
from types import ModuleType
x = ModuleType('proj')
def on_sbn(*args, **kwargs):
def after(*args, **kwargs):
x.app = 'quick brown fox'
x.__path__ = None
return x
sbn.side_effect = after
return x
sbn.side_effect = on_sbn
x.__path__ = [True]
self.assertEqual(cmd.find_app('proj'), 'quick brown fox')
def test_parse_preload_options_shortopt(self):
cmd = Command()
cmd.preload_options = (Option('-s', action='store', dest='silent'), )
acc = cmd.parse_preload_options(['-s', 'yes'])
self.assertEqual(acc.get('silent'), 'yes')
def test_parse_preload_options_with_equals_and_append(self):
cmd = Command()
opt = Option('--zoom', action='append', default=[])
cmd.preload_options = (opt,)
acc = cmd.parse_preload_options(['--zoom=1', '--zoom=2'])
self.assertEqual(acc, {'zoom': ['1', '2']})
def test_parse_preload_options_without_equals_and_append(self):
cmd = Command()
opt = Option('--zoom', action='append', default=[])
cmd.preload_options = (opt,)
acc = cmd.parse_preload_options(['--zoom', '1', '--zoom', '2'])
self.assertEqual(acc, {'zoom': ['1', '2']})
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