27f64ddae2
* Add trailing slash when defined and strict_slashes * Add partial matching, and fix some issues with url_for * Cover additional edge cases * cleanup tests
110 lines
2.7 KiB
Python
110 lines
2.7 KiB
Python
import os
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import secrets
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import sys
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from contextlib import suppress
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from subprocess import PIPE, Popen, TimeoutExpired
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from tempfile import TemporaryDirectory
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from textwrap import dedent
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from threading import Timer
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from time import sleep
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import pytest
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# We need to interrupt the autoreloader without killing it, so that the server gets terminated
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# https://stefan.sofa-rockers.org/2013/08/15/handling-sub-process-hierarchies-python-linux-os-x/
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try:
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from signal import CTRL_BREAK_EVENT
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from subprocess import CREATE_NEW_PROCESS_GROUP
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flags = CREATE_NEW_PROCESS_GROUP
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except ImportError:
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flags = 0
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def terminate(proc):
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if flags:
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proc.send_signal(CTRL_BREAK_EVENT)
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else:
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proc.terminate()
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def write_app(filename, **runargs):
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text = secrets.token_urlsafe()
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with open(filename, "w") as f:
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f.write(
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dedent(
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f"""\
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import os
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from sanic import Sanic
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app = Sanic(__name__)
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app.route("/")(lambda x: x)
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@app.listener("after_server_start")
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def complete(*args):
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print("complete", os.getpid(), {text!r})
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if __name__ == "__main__":
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app.run(**{runargs!r})
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"""
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)
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)
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return text
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def scanner(proc):
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for line in proc.stdout:
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line = line.decode().strip()
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if line.startswith("complete"):
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yield line
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argv = dict(
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script=[sys.executable, "reloader.py"],
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module=[sys.executable, "-m", "reloader"],
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sanic=[
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sys.executable,
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"-m",
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"sanic",
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"--port",
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"42104",
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"--debug",
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"reloader.app",
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],
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)
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@pytest.mark.parametrize(
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"runargs, mode",
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[
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(dict(port=42102, auto_reload=True), "script"),
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(dict(port=42103, debug=True), "module"),
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(dict(), "sanic"),
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],
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)
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async def test_reloader_live(runargs, mode):
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with TemporaryDirectory() as tmpdir:
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filename = os.path.join(tmpdir, "reloader.py")
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text = write_app(filename, **runargs)
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proc = Popen(argv[mode], cwd=tmpdir, stdout=PIPE, creationflags=flags)
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try:
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timeout = Timer(5, terminate, [proc])
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timeout.start()
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# Python apparently keeps using the old source sometimes if
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# we don't sleep before rewrite (pycache timestamp problem?)
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sleep(1)
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line = scanner(proc)
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assert text in next(line)
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# Edit source code and try again
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text = write_app(filename, **runargs)
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assert text in next(line)
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finally:
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timeout.cancel()
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terminate(proc)
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with suppress(TimeoutExpired):
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proc.wait(timeout=3)
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