mirror of
https://github.com/markqvist/rnsh.git
synced 2024-10-01 01:15:37 -04:00
77 lines
2.3 KiB
Python
77 lines
2.3 KiB
Python
import uuid
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import time
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from types import TracebackType
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from typing import Type
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import pytest
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import rnsh.process
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import contextlib
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import asyncio
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import logging
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import os
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import threading
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logging.getLogger().setLevel(logging.DEBUG)
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class State(contextlib.AbstractContextManager):
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def __init__(self, argv: [str], loop: asyncio.AbstractEventLoop, env: dict = None):
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self.process: rnsh.process.CallbackSubprocess
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self.loop = loop
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self.env = env or os.environ.copy()
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self.argv = argv
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self._lock = threading.RLock()
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self._stdout = bytearray()
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self.return_code: int = None
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self.process = rnsh.process.CallbackSubprocess(argv=self.argv,
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env=self.env,
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loop=self.loop,
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stdout_callback=self._stdout_cb,
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terminated_callback=self._terminated_cb)
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def _stdout_cb(self, data):
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with self._lock:
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self._stdout.extend(data)
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def read(self):
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with self._lock:
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data = self._stdout.copy()
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self._stdout.clear()
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return data
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def _terminated_cb(self, rc):
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self.return_code = rc
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def start(self):
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self.process.start()
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def cleanup(self):
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if self.process and self.process.running:
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self.process.terminate(kill_delay=0.1)
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def __exit__(self, __exc_type: Type[BaseException], __exc_value: BaseException,
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__traceback: TracebackType) -> bool:
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self.cleanup()
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return False
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@pytest.mark.skip_ci
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@pytest.mark.asyncio
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async def test_echo():
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"""
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Echoing some text through cat.
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"""
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loop = asyncio.get_running_loop()
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with State(argv=["/bin/cat"],
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loop=loop) as state:
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state.start()
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assert state.process is not None
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assert state.process.running
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message = "test\n"
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state.process.write(message.encode("utf-8"))
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await asyncio.sleep(0.1)
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data = state.read()
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state.process.write(rnsh.process.CTRL_D)
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await asyncio.sleep(0.1)
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assert len(data) > 0
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decoded = data.decode("utf-8")
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assert decoded == message.replace("\n", "\r\n") * 2
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assert not state.process.running
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