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asyncio-taskpool
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Fixed Python 3.8 compatibility bugs; classmethod+property workaround; control session buffer

This commit is contained in:
Daniil Fajnberg 2022-04-08 11:53:53 +02:00
parent 3a8fcb2d5a
commit db306a1a1f
Signed by: daniil-berg
GPG Key ID: BE187C50903BEE97
18 changed files with 130 additions and 73 deletions
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1
.github/workflows/main.yaml vendored
View File

@ -7,6 +7,7 @@ jobs:
strategy:
matrix:
python-version:
- '3.8'
- '3.9'
- '3.10'
steps:

2
.readthedocs.yaml
View File

@ -2,7 +2,7 @@ version: 2
build:
os: 'ubuntu-20.04'
tools:
python: '3.9'
python: '3.8'
python:
install:
- method: pip

2
README.md
View File

@ -74,7 +74,7 @@ pip install asyncio-taskpool
## Dependencies
Python Version 3.9+, tested on Linux
Python Version 3.8+, tested on Linux
## Testing

7
docs/source/api/asyncio_taskpool.control.parser.rst
View File

@ -1,7 +0,0 @@
asyncio\_taskpool.control.parser module
=======================================
.. automodule:: asyncio_taskpool.control.parser
:members:
:undoc-members:
:show-inheritance:

2
docs/source/api/asyncio_taskpool.control.rst
View File

@ -13,6 +13,4 @@ Submodules
:maxdepth: 4
asyncio_taskpool.control.client
asyncio_taskpool.control.parser
asyncio_taskpool.control.server
asyncio_taskpool.control.session

7
docs/source/api/asyncio_taskpool.control.session.rst
View File

@ -1,7 +0,0 @@
asyncio\_taskpool.control.session module
========================================
.. automodule:: asyncio_taskpool.control.session
:members:
:undoc-members:
:show-inheritance:

4
setup.cfg
View File

@ -1,6 +1,6 @@
[metadata]
name = asyncio-taskpool
version = 1.0.0
version = 1.0.1
author = Daniil Fajnberg
author_email = mail@daniil.fajnberg.de
description = Dynamically manage pools of asyncio tasks
@ -25,7 +25,7 @@ classifiers =
package_dir =
= src
packages = find:
python_requires = >=3.9
python_requires = >=3.8
[options.extras_require]
dev =

13
src/asyncio_taskpool/control/client.py
View File

@ -97,21 +97,22 @@ class ControlClient(ABC):
writer: The `asyncio.StreamWriter` returned by the `_open_connection()` method
Returns:
`None`, if either `Ctrl+C` was hit, or the user wants the client to disconnect;
otherwise, the user's input, stripped of leading and trailing spaces and converted to lowercase.
`None`, if either `Ctrl+C` was hit, an empty or whitespace-only string was entered, or the user wants the
client to disconnect; otherwise, returns the user's input, stripped of leading and trailing spaces and
converted to lowercase.
"""
try:
msg = input("> ").strip().lower()
cmd = input("> ").strip().lower()
except EOFError: # Ctrl+D shall be equivalent to the :const:`CLIENT_EXIT` command.
msg = CLIENT_EXIT
cmd = CLIENT_EXIT
except KeyboardInterrupt: # Ctrl+C shall simply reset to the input prompt.
print()
return
if msg == CLIENT_EXIT:
if cmd == CLIENT_EXIT:
writer.close()
self._connected = False
return
return msg
return cmd or None # will be None if `cmd` is an empty string
async def _interact(self, reader: StreamReader, writer: StreamWriter) -> None:
"""

26
src/asyncio_taskpool/control/parser.py
View File

@ -17,19 +17,21 @@ If not, see <https://www.gnu.org/licenses/>."""
__doc__ = """
Definition of the :class:`ControlParser` used in a
:class:`ControlSession <asyncio_taskpool.control.session.ControlSession>`.
It should not be considered part of the public API.
"""
import logging
from argparse import Action, ArgumentParser, ArgumentDefaultsHelpFormatter, HelpFormatter, ArgumentTypeError, SUPPRESS
from ast import literal_eval
from asyncio.streams import StreamWriter
from inspect import Parameter, getmembers, isfunction, signature
from io import StringIO
from shutil import get_terminal_size
from typing import Any, Callable, Container, Dict, Iterable, Set, Type, TypeVar
from ..exceptions import HelpRequested, ParserError
from ..internals.constants import CLIENT_INFO, CMD, STREAM_WRITER
from ..internals.constants import CLIENT_INFO, CMD
from ..internals.helpers import get_first_doc_line, resolve_dotted_path
from ..internals.types import ArgsT, CancelCB, CoroutineFunc, EndCB, KwArgsT
@ -52,8 +54,8 @@ class ControlParser(ArgumentParser):
"""
Subclass of the standard :code:`argparse.ArgumentParser` for pool control.
Such a parser is not supposed to ever print to stdout/stderr, but instead direct all messages to a `StreamWriter`
instance passed to it during initialization.
Such a parser is not supposed to ever print to stdout/stderr, but instead direct all messages to a file-like
`StringIO` instance passed to it during initialization.
Furthermore, it requires defining the width of the terminal, to adjust help formatting to the terminal size of a
connected client.
Finally, it offers some convenience methods and makes use of custom exceptions.
@ -87,25 +89,23 @@ class ControlParser(ArgumentParser):
super().__init__(*args, **kwargs)
return ClientHelpFormatter
def __init__(self, stream_writer: StreamWriter, terminal_width: int = None, **kwargs) -> None:
def __init__(self, stream: StringIO, terminal_width: int = None, **kwargs) -> None:
"""
Sets some internal attributes in addition to the base class.
Args:
stream_writer:
The instance of the :class:`asyncio.StreamWriter` to use for message output.
stream:
A file-like I/O object to use for message output.
terminal_width (optional):
The terminal width to use for all message formatting. By default the :code:`columns` attribute from
:func:`shutil.get_terminal_size` is taken.
**kwargs(optional):
Passed to the parent class constructor. The exception is the `formatter_class` parameter: Even if a
class is specified, it will always be subclassed in the :meth:`help_formatter_factory`.
Also, by default, `exit_on_error` is set to `False` (as opposed to how the parent class handles it).
"""
self._stream_writer: StreamWriter = stream_writer
self._stream: StringIO = stream
self._terminal_width: int = terminal_width if terminal_width is not None else get_terminal_size().columns
kwargs['formatter_class'] = self.help_formatter_factory(self._terminal_width, kwargs.get('formatter_class'))
kwargs.setdefault('exit_on_error', False)
super().__init__(**kwargs)
self._flags: Set[str] = set()
self._commands = None
@ -194,7 +194,7 @@ class ControlParser(ArgumentParser):
Dictionary mapping class member names to the (sub-)parsers created from them.
"""
parsers: ParsersDict = {}
common_kwargs = {STREAM_WRITER: self._stream_writer, CLIENT_INFO.TERMINAL_WIDTH: self._terminal_width}
common_kwargs = {'stream': self._stream, CLIENT_INFO.TERMINAL_WIDTH: self._terminal_width}
for name, member in getmembers(cls):
if name in omit_members or (name.startswith('_') and public_only):
continue
@ -214,9 +214,9 @@ class ControlParser(ArgumentParser):
return self._commands
def _print_message(self, message: str, *args, **kwargs) -> None:
"""This is overridden to ensure that no messages are sent to stdout/stderr, but always to the stream writer."""
"""This is overridden to ensure that no messages are sent to stdout/stderr, but always to the stream buffer."""
if message:
self._stream_writer.write(message.encode())
self._stream.write(message)
def exit(self, status: int = 0, message: str = None) -> None:
"""This is overridden to prevent system exit to be invoked."""

1
src/asyncio_taskpool/control/server.py
View File

@ -31,6 +31,7 @@ from typing import Optional, Union
from .client import ControlClient, TCPControlClient, UnixControlClient
from .session import ControlSession
from ..pool import AnyTaskPoolT
from ..internals.helpers import classmethod
from ..internals.types import ConnectedCallbackT, PathT

16
src/asyncio_taskpool/control/session.py
View File

@ -16,6 +16,8 @@ If not, see <https://www.gnu.org/licenses/>."""
__doc__ = """
Definition of the :class:`ControlSession` used by a :class:`ControlServer`.
It should not be considered part of the public API.
"""
@ -24,12 +26,13 @@ import json
from argparse import ArgumentError
from asyncio.streams import StreamReader, StreamWriter
from inspect import isfunction, signature
from io import StringIO
from typing import Callable, Optional, Union, TYPE_CHECKING
from .parser import ControlParser
from ..exceptions import CommandError, HelpRequested, ParserError
from ..pool import TaskPool, SimpleTaskPool
from ..internals.constants import CLIENT_INFO, CMD, CMD_OK, SESSION_MSG_BYTES, STREAM_WRITER
from ..internals.constants import CLIENT_INFO, CMD, CMD_OK, SESSION_MSG_BYTES
from ..internals.helpers import return_or_exception
if TYPE_CHECKING:
@ -72,6 +75,7 @@ class ControlSession:
self._reader: StreamReader = reader
self._writer: StreamWriter = writer
self._parser: Optional[ControlParser] = None
self._response_buffer: StringIO = StringIO()
async def _exec_method_and_respond(self, method: Callable, **kwargs) -> None:
"""
@ -133,7 +137,7 @@ class ControlSession:
client_info = json.loads((await self._reader.read(SESSION_MSG_BYTES)).decode().strip())
log.debug("%s connected", self._client_class_name)
parser_kwargs = {
STREAM_WRITER: self._writer,
'stream': self._response_buffer,
CLIENT_INFO.TERMINAL_WIDTH: client_info[CLIENT_INFO.TERMINAL_WIDTH],
'prog': '',
'usage': f'[-h] [{CMD}] ...'
@ -160,7 +164,7 @@ class ControlSession:
kwargs = vars(self._parser.parse_args(msg.split(' ')))
except ArgumentError as e:
log.debug("%s got an ArgumentError", self._client_class_name)
self._writer.write(str(e).encode())
self._response_buffer.write(str(e))
return
except (HelpRequested, ParserError):
log.debug("%s received usage help", self._client_class_name)
@ -171,7 +175,7 @@ class ControlSession:
elif isinstance(command, property):
await self._exec_property_and_respond(command, **kwargs)
else:
self._writer.write(str(CommandError(f"Unknown command object: {command}")).encode())
self._response_buffer.write(str(CommandError(f"Unknown command object: {command}")))
async def listen(self) -> None:
"""
@ -188,4 +192,8 @@ class ControlSession:
log.debug("%s disconnected", self._client_class_name)
break
await self._parse_command(msg)
response = self._response_buffer.getvalue()
self._response_buffer.seek(0)
self._response_buffer.truncate()
self._writer.write(response.encode())
await self._writer.drain()

1
src/asyncio_taskpool/internals/constants.py
View File

@ -27,7 +27,6 @@ DEFAULT_TASK_GROUP = 'default'
SESSION_MSG_BYTES = 1024 * 100
STREAM_WRITER = 'stream_writer'
CMD = 'command'
CMD_OK = b"ok"

26
src/asyncio_taskpool/internals/helpers.py
View File

@ -19,10 +19,12 @@ Miscellaneous helper functions. None of these should be considered part of the p
"""
import builtins
import sys
from asyncio.coroutines import iscoroutinefunction
from importlib import import_module
from inspect import getdoc
from typing import Any, Optional, Union
from typing import Any, Callable, Optional, Type, Union
from .types import T, AnyCallableT, ArgsT, KwArgsT
@ -131,3 +133,25 @@ def resolve_dotted_path(dotted_path: str) -> object:
import_module(module_name)
found = getattr(found, name)
return found
class ClassMethodWorkaround:
"""Dirty workaround to make the `@classmethod` decorator work with properties."""
def __init__(self, method_or_property: Union[Callable, property]) -> None:
if isinstance(method_or_property, property):
self._getter = method_or_property.fget
else:
self._getter = method_or_property
def __get__(self, obj: Union[T, None], cls: Union[Type[T], None]) -> Any:
if obj is None:
return self._getter(cls)
return self._getter(obj)
# Starting with Python 3.9, this is thankfully no longer necessary.
if sys.version_info[:2] < (3, 9):
classmethod = ClassMethodWorkaround
else:
classmethod = builtins.classmethod

2
tests/test_control/test___main__.py
View File

@ -38,7 +38,7 @@ class CLITestCase(IsolatedAsyncioTestCase):
mock_client = MagicMock(start=mock_client_start)
mock_client_cls = MagicMock(return_value=mock_client)
mock_client_kwargs = {'foo': 123, 'bar': 456, 'baz': 789}
mock_parse_cli.return_value = {module.CLIENT_CLASS: mock_client_cls} | mock_client_kwargs
mock_parse_cli.return_value = {module.CLIENT_CLASS: mock_client_cls, **mock_client_kwargs}
self.assertIsNone(await module.main())
mock_parse_cli.assert_called_once_with()
mock_client_cls.assert_called_once_with(**mock_client_kwargs)

22
tests/test_control/test_parser.py
View File

@ -41,9 +41,9 @@ class ControlParserTestCase(TestCase):
self.help_formatter_factory_patcher = patch.object(parser.ControlParser, 'help_formatter_factory')
self.mock_help_formatter_factory = self.help_formatter_factory_patcher.start()
self.mock_help_formatter_factory.return_value = RawTextHelpFormatter
self.stream_writer, self.terminal_width = MagicMock(), 420
self.stream, self.terminal_width = MagicMock(), 420
self.kwargs = {
'stream_writer': self.stream_writer,
'stream': self.stream,
'terminal_width': self.terminal_width,
'formatter_class': FOO
}
@ -72,10 +72,9 @@ class ControlParserTestCase(TestCase):
def test_init(self):
self.assertIsInstance(self.parser, ArgumentParser)
self.assertEqual(self.stream_writer, self.parser._stream_writer)
self.assertEqual(self.stream, self.parser._stream)
self.assertEqual(self.terminal_width, self.parser._terminal_width)
self.mock_help_formatter_factory.assert_called_once_with(self.terminal_width, FOO)
self.assertFalse(getattr(self.parser, 'exit_on_error'))
self.assertEqual(RawTextHelpFormatter, getattr(self.parser, 'formatter_class'))
self.assertSetEqual(set(), self.parser._flags)
self.assertIsNone(self.parser._commands)
@ -89,7 +88,7 @@ class ControlParserTestCase(TestCase):
mock_get_first_doc_line.return_value = mock_help = 'help 123'
kwargs = {FOO: 1, BAR: 2, parser.DESCRIPTION: FOO + BAR}
expected_name = 'foo-bar'
expected_kwargs = {parser.NAME: expected_name, parser.PROG: expected_name, parser.HELP: mock_help} | kwargs
expected_kwargs = {parser.NAME: expected_name, parser.PROG: expected_name, parser.HELP: mock_help, **kwargs}
to_omit = ['abc', 'xyz']
output = self.parser.add_function_command(foo_bar, omit_params=to_omit, **kwargs)
self.assertEqual(mock_subparser, output)
@ -107,7 +106,7 @@ class ControlParserTestCase(TestCase):
mock_get_first_doc_line.return_value = mock_help = 'help 123'
kwargs = {FOO: 1, BAR: 2, parser.DESCRIPTION: FOO + BAR}
expected_name = 'get-prop'
expected_kwargs = {parser.NAME: expected_name, parser.PROG: expected_name, parser.HELP: mock_help} | kwargs
expected_kwargs = {parser.NAME: expected_name, parser.PROG: expected_name, parser.HELP: mock_help, **kwargs}
output = self.parser.add_property_command(prop, **kwargs)
self.assertEqual(mock_subparser, output)
mock_get_first_doc_line.assert_called_once_with(get_prop)
@ -119,7 +118,7 @@ class ControlParserTestCase(TestCase):
prop = property(get_prop, set_prop)
expected_help = f"Get/set the `.{expected_name}` property"
expected_kwargs = {parser.NAME: expected_name, parser.PROG: expected_name, parser.HELP: expected_help} | kwargs
expected_kwargs = {parser.NAME: expected_name, parser.PROG: expected_name, parser.HELP: expected_help, **kwargs}
output = self.parser.add_property_command(prop, **kwargs)
self.assertEqual(mock_subparser, output)
mock_get_first_doc_line.assert_has_calls([call(get_prop), call(set_prop)])
@ -152,8 +151,7 @@ class ControlParserTestCase(TestCase):
mock_subparser = MagicMock(set_defaults=mock_set_defaults)
mock_add_function_command.return_value = mock_add_property_command.return_value = mock_subparser
x = 'x'
common_kwargs = {parser.STREAM_WRITER: self.parser._stream_writer,
parser.CLIENT_INFO.TERMINAL_WIDTH: self.parser._terminal_width}
common_kwargs = {'stream': self.parser._stream, parser.CLIENT_INFO.TERMINAL_WIDTH: self.parser._terminal_width}
expected_output = {'method': mock_subparser, 'prop': mock_subparser}
output = self.parser.add_class_commands(FooBar, public_only=True, omit_members=['to_omit'], member_arg_name=x)
self.assertDictEqual(expected_output, output)
@ -170,12 +168,12 @@ class ControlParserTestCase(TestCase):
mock_base_add_subparsers.assert_called_once_with(*args, **kwargs)
def test__print_message(self):
self.stream_writer.write = MagicMock()
self.stream.write = MagicMock()
self.assertIsNone(self.parser._print_message(''))
self.stream_writer.write.assert_not_called()
self.stream.write.assert_not_called()
msg = 'foo bar baz'
self.assertIsNone(self.parser._print_message(msg))
self.stream_writer.write.assert_called_once_with(msg.encode())
self.stream.write.assert_called_once_with(msg)
@patch.object(parser.ControlParser, '_print_message')
def test_exit(self, mock__print_message: MagicMock):

33
tests/test_control/test_session.py
View File

@ -21,11 +21,12 @@ Unittests for the `asyncio_taskpool.session` module.
import json
from argparse import ArgumentError, Namespace
from io import StringIO
from unittest import IsolatedAsyncioTestCase
from unittest.mock import AsyncMock, MagicMock, patch, call
from asyncio_taskpool.control import session
from asyncio_taskpool.internals.constants import CLIENT_INFO, CMD, SESSION_MSG_BYTES, STREAM_WRITER
from asyncio_taskpool.internals.constants import CLIENT_INFO, CMD, SESSION_MSG_BYTES
from asyncio_taskpool.exceptions import HelpRequested
from asyncio_taskpool.pool import SimpleTaskPool
@ -61,14 +62,15 @@ class ControlServerTestCase(IsolatedAsyncioTestCase):
self.assertEqual(self.mock_reader, self.session._reader)
self.assertEqual(self.mock_writer, self.session._writer)
self.assertIsNone(self.session._parser)
self.assertIsInstance(self.session._response_buffer, StringIO)
@patch.object(session, 'return_or_exception')
async def test__exec_method_and_respond(self, mock_return_or_exception: AsyncMock):
def method(self, arg1, arg2, *var_args, **rest): pass
test_arg1, test_arg2, test_var_args, test_rest = 123, 'xyz', [0.1, 0.2, 0.3], {'aaa': 1, 'bbb': 11}
kwargs = {'arg1': test_arg1, 'arg2': test_arg2, 'var_args': test_var_args} | test_rest
kwargs = {'arg1': test_arg1, 'arg2': test_arg2, 'var_args': test_var_args}
mock_return_or_exception.return_value = None
self.assertIsNone(await self.session._exec_method_and_respond(method, **kwargs))
self.assertIsNone(await self.session._exec_method_and_respond(method, **kwargs, **test_rest))
mock_return_or_exception.assert_awaited_once_with(
method, self.mock_pool, test_arg1, test_arg2, *test_var_args, **test_rest
)
@ -104,7 +106,7 @@ class ControlServerTestCase(IsolatedAsyncioTestCase):
self.mock_reader.read = mock_read
self.mock_writer.drain = AsyncMock()
expected_parser_kwargs = {
STREAM_WRITER: self.mock_writer,
'stream': self.session._response_buffer,
CLIENT_INFO.TERMINAL_WIDTH: width,
'prog': '',
'usage': f'[-h] [{CMD}] ...'
@ -132,10 +134,9 @@ class ControlServerTestCase(IsolatedAsyncioTestCase):
kwargs = {FOO: BAR, 'hello': 'python'}
mock_parse_args = MagicMock(return_value=Namespace(**{CMD: method}, **kwargs))
self.session._parser = MagicMock(parse_args=mock_parse_args)
self.mock_writer.write = MagicMock()
self.assertIsNone(await self.session._parse_command(msg))
mock_parse_args.assert_called_once_with(msg.split(' '))
self.mock_writer.write.assert_not_called()
self.assertEqual('', self.session._response_buffer.getvalue())
mock__exec_method_and_respond.assert_awaited_once_with(method, **kwargs)
mock__exec_property_and_respond.assert_not_called()
@ -145,7 +146,7 @@ class ControlServerTestCase(IsolatedAsyncioTestCase):
mock_parse_args.return_value = Namespace(**{CMD: prop}, **kwargs)
self.assertIsNone(await self.session._parse_command(msg))
mock_parse_args.assert_called_once_with(msg.split(' '))
self.mock_writer.write.assert_not_called()
self.assertEqual('', self.session._response_buffer.getvalue())
mock__exec_method_and_respond.assert_not_called()
mock__exec_property_and_respond.assert_awaited_once_with(prop, **kwargs)
@ -161,26 +162,28 @@ class ControlServerTestCase(IsolatedAsyncioTestCase):
mock_parse_args.assert_called_once_with(msg.split(' '))
mock__exec_method_and_respond.assert_not_called()
mock__exec_property_and_respond.assert_not_called()
self.mock_writer.write.assert_called_once_with(str(exc).encode())
self.assertEqual(str(exc), self.session._response_buffer.getvalue())
mock__exec_property_and_respond.reset_mock()
mock_parse_args.reset_mock()
self.mock_writer.write.reset_mock()
self.session._response_buffer.seek(0)
self.session._response_buffer.truncate()
mock_parse_args.side_effect = exc = ArgumentError(MagicMock(), "oops")
self.assertIsNone(await self.session._parse_command(msg))
mock_parse_args.assert_called_once_with(msg.split(' '))
self.mock_writer.write.assert_called_once_with(str(exc).encode())
self.assertEqual(str(exc), self.session._response_buffer.getvalue())
mock__exec_method_and_respond.assert_not_awaited()
mock__exec_property_and_respond.assert_not_awaited()
self.mock_writer.write.reset_mock()
mock_parse_args.reset_mock()
self.session._response_buffer.seek(0)
self.session._response_buffer.truncate()
mock_parse_args.side_effect = HelpRequested()
self.assertIsNone(await self.session._parse_command(msg))
mock_parse_args.assert_called_once_with(msg.split(' '))
self.mock_writer.write.assert_not_called()
self.assertEqual('', self.session._response_buffer.getvalue())
mock__exec_method_and_respond.assert_not_awaited()
mock__exec_property_and_respond.assert_not_awaited()
@ -191,17 +194,23 @@ class ControlServerTestCase(IsolatedAsyncioTestCase):
self.mock_writer.drain = AsyncMock(side_effect=make_reader_return_empty)
msg = "fascinating"
self.mock_reader.read = AsyncMock(return_value=f' {msg} '.encode())
response = FOO + BAR + FOO
self.session._response_buffer.write(response)
self.assertIsNone(await self.session.listen())
self.mock_reader.read.assert_has_awaits([call(SESSION_MSG_BYTES), call(SESSION_MSG_BYTES)])
mock__parse_command.assert_awaited_once_with(msg)
self.assertEqual('', self.session._response_buffer.getvalue())
self.mock_writer.write.assert_called_once_with(response.encode())
self.mock_writer.drain.assert_awaited_once_with()
self.mock_reader.read.reset_mock()
mock__parse_command.reset_mock()
self.mock_writer.write.reset_mock()
self.mock_writer.drain.reset_mock()
self.mock_server.is_serving = MagicMock(return_value=False)
self.assertIsNone(await self.session.listen())
self.mock_reader.read.assert_not_awaited()
mock__parse_command.assert_not_awaited()
self.mock_writer.write.assert_not_called()
self.mock_writer.drain.assert_not_awaited()

32
tests/test_internals/test_helpers.py
View File

@ -19,7 +19,7 @@ Unittests for the `asyncio_taskpool.helpers` module.
"""
from unittest import IsolatedAsyncioTestCase
from unittest import IsolatedAsyncioTestCase, TestCase
from unittest.mock import MagicMock, AsyncMock, NonCallableMagicMock, call, patch
from asyncio_taskpool.internals import helpers
@ -122,3 +122,33 @@ class HelpersTestCase(IsolatedAsyncioTestCase):
with self.assertRaises(AttributeError):
helpers.resolve_dotted_path('foo.bar.baz')
mock_import_module.assert_has_calls([call('foo'), call('foo.bar')])
class ClassMethodWorkaroundTestCase(TestCase):
def test_init(self):
def func(): return 'foo'
def getter(): return 'bar'
prop = property(getter)
instance = helpers.ClassMethodWorkaround(func)
self.assertIs(func, instance._getter)
instance = helpers.ClassMethodWorkaround(prop)
self.assertIs(getter, instance._getter)
@patch.object(helpers.ClassMethodWorkaround, '__init__', return_value=None)
def test_get(self, _mock_init: MagicMock):
def func(x: MagicMock): return x.__name__
instance = helpers.ClassMethodWorkaround(MagicMock())
instance._getter = func
obj, cls = None, MagicMock
expected_output = 'MagicMock'
output = instance.__get__(obj, cls)
self.assertEqual(expected_output, output)
obj = MagicMock(__name__='bar')
expected_output = 'bar'
output = instance.__get__(obj, cls)
self.assertEqual(expected_output, output)
cls = None
output = instance.__get__(obj, cls)
self.assertEqual(expected_output, output)

6
tests/test_pool.py
View File

@ -729,13 +729,15 @@ class SimpleTaskPoolTestCase(CommonTestCase):
TEST_POOL_CANCEL_CB = MagicMock()
def get_task_pool_init_params(self) -> dict:
return super().get_task_pool_init_params() | {
params = super().get_task_pool_init_params()
params.update({
'func': self.TEST_POOL_FUNC,
'args': self.TEST_POOL_ARGS,
'kwargs': self.TEST_POOL_KWARGS,
'end_callback': self.TEST_POOL_END_CB,
'cancel_callback': self.TEST_POOL_CANCEL_CB,
}
})
return params
def setUp(self) -> None:
self.base_class_init_patcher = patch.object(pool.BaseTaskPool, '__init__')