forked from goodboy/tractor
97 lines
2.3 KiB
Python
97 lines
2.3 KiB
Python
# tractor: structured concurrent "actors".
|
|
# Copyright 2018-eternity Tyler Goodlet.
|
|
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Affero General Public License for more details.
|
|
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
'''
|
|
Various helpers/utils for auditing your `tractor` app and/or the
|
|
core runtime.
|
|
|
|
'''
|
|
from contextlib import asynccontextmanager as acm
|
|
import pathlib
|
|
|
|
import tractor
|
|
from .pytest import (
|
|
tractor_test as tractor_test
|
|
)
|
|
from .fault_simulation import (
|
|
break_ipc as break_ipc,
|
|
)
|
|
|
|
|
|
def repodir() -> pathlib.Path:
|
|
'''
|
|
Return the abspath to the repo directory.
|
|
|
|
'''
|
|
# 2 parents up to step up through tests/<repo_dir>
|
|
return pathlib.Path(
|
|
__file__
|
|
|
|
# 3 .parents bc:
|
|
# <._testing-pkg>.<tractor-pkg>.<git-repo-dir>
|
|
# /$HOME/../<tractor-repo-dir>/tractor/_testing/__init__.py
|
|
).parent.parent.parent.absolute()
|
|
|
|
|
|
def examples_dir() -> pathlib.Path:
|
|
'''
|
|
Return the abspath to the examples directory as `pathlib.Path`.
|
|
|
|
'''
|
|
return repodir() / 'examples'
|
|
|
|
|
|
def mk_cmd(
|
|
ex_name: str,
|
|
exs_subpath: str = 'debugging',
|
|
) -> str:
|
|
'''
|
|
Generate a shell command suitable to pass to ``pexpect.spawn()``.
|
|
|
|
'''
|
|
script_path: pathlib.Path = (
|
|
examples_dir()
|
|
/ exs_subpath
|
|
/ f'{ex_name}.py'
|
|
)
|
|
return ' '.join([
|
|
'python',
|
|
str(script_path)
|
|
])
|
|
|
|
|
|
@acm
|
|
async def expect_ctxc(
|
|
yay: bool,
|
|
reraise: bool = False,
|
|
) -> None:
|
|
'''
|
|
Small acm to catch `ContextCancelled` errors when expected
|
|
below it in a `async with ()` block.
|
|
|
|
'''
|
|
if yay:
|
|
try:
|
|
yield
|
|
raise RuntimeError('Never raised ctxc?')
|
|
except tractor.ContextCancelled:
|
|
if reraise:
|
|
raise
|
|
else:
|
|
return
|
|
else:
|
|
yield
|