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test_web_runner.py
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test_web_runner.py
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# type: ignore
import asyncio
import platform
import signal
from typing import Any
from unittest.mock import patch
import pytest
from aiohttp import web
from aiohttp.abc import AbstractAccessLogger
from aiohttp.test_utils import get_unused_port_socket
@pytest.fixture
def app():
return web.Application()
@pytest.fixture
def make_runner(loop: Any, app: Any):
asyncio.set_event_loop(loop)
runners = []
def go(**kwargs):
runner = web.AppRunner(app, **kwargs)
runners.append(runner)
return runner
yield go
for runner in runners:
loop.run_until_complete(runner.cleanup())
async def test_site_for_nonfrozen_app(make_runner: Any) -> None:
runner = make_runner()
with pytest.raises(RuntimeError):
web.TCPSite(runner)
assert len(runner.sites) == 0
@pytest.mark.skipif(
platform.system() == "Windows", reason="the test is not valid for Windows"
)
async def test_runner_setup_handle_signals(make_runner: Any) -> None:
runner = make_runner(handle_signals=True)
await runner.setup()
assert signal.getsignal(signal.SIGTERM) is not signal.SIG_DFL
await runner.cleanup()
assert signal.getsignal(signal.SIGTERM) is signal.SIG_DFL
@pytest.mark.skipif(
platform.system() == "Windows", reason="the test is not valid for Windows"
)
async def test_runner_setup_without_signal_handling(make_runner: Any) -> None:
runner = make_runner(handle_signals=False)
await runner.setup()
assert signal.getsignal(signal.SIGTERM) is signal.SIG_DFL
await runner.cleanup()
assert signal.getsignal(signal.SIGTERM) is signal.SIG_DFL
async def test_site_double_added(make_runner: Any) -> None:
_sock = get_unused_port_socket("127.0.0.1")
runner = make_runner()
await runner.setup()
site = web.SockSite(runner, _sock)
await site.start()
with pytest.raises(RuntimeError):
await site.start()
assert len(runner.sites) == 1
async def test_site_stop_not_started(make_runner: Any) -> None:
runner = make_runner()
await runner.setup()
site = web.TCPSite(runner)
with pytest.raises(RuntimeError):
await site.stop()
assert len(runner.sites) == 0
async def test_custom_log_format(make_runner: Any) -> None:
runner = make_runner(access_log_format="abc")
await runner.setup()
assert runner.server._kwargs["access_log_format"] == "abc"
async def test_unreg_site(make_runner: Any) -> None:
runner = make_runner()
await runner.setup()
site = web.TCPSite(runner)
with pytest.raises(RuntimeError):
runner._unreg_site(site)
async def test_app_property(make_runner: Any, app: Any) -> None:
runner = make_runner()
assert runner.app is app
def test_non_app() -> None:
with pytest.raises(TypeError):
web.AppRunner(object())
def test_app_handler_args() -> None:
app = web.Application(handler_args={"test": True})
runner = web.AppRunner(app)
assert runner._kwargs == {"access_log_class": web.AccessLogger, "test": True}
async def test_app_handler_args_failure() -> None:
app = web.Application(handler_args={"unknown_parameter": 5})
runner = web.AppRunner(app)
await runner.setup()
assert runner._server
rh = runner._server()
assert rh._timeout_ceil_threshold == 5
await runner.cleanup()
assert app
@pytest.mark.parametrize(
("value", "expected"),
(
(2, 2),
(None, 5),
("2", 2),
),
)
async def test_app_handler_args_ceil_threshold(value: Any, expected: Any) -> None:
app = web.Application(handler_args={"timeout_ceil_threshold": value})
runner = web.AppRunner(app)
await runner.setup()
assert runner._server
rh = runner._server()
assert rh._timeout_ceil_threshold == expected
await runner.cleanup()
assert app
async def test_app_make_handler_access_log_class_bad_type1() -> None:
class Logger:
pass
app = web.Application()
with pytest.raises(TypeError):
web.AppRunner(app, access_log_class=Logger)
async def test_app_make_handler_access_log_class_bad_type2() -> None:
class Logger:
pass
app = web.Application(handler_args={"access_log_class": Logger})
with pytest.raises(TypeError):
web.AppRunner(app)
async def test_app_make_handler_access_log_class1() -> None:
class Logger(AbstractAccessLogger):
def log(self, request, response, time):
pass
app = web.Application()
runner = web.AppRunner(app, access_log_class=Logger)
assert runner._kwargs["access_log_class"] is Logger
async def test_app_make_handler_access_log_class2() -> None:
class Logger(AbstractAccessLogger):
def log(self, request, response, time):
pass
app = web.Application(handler_args={"access_log_class": Logger})
runner = web.AppRunner(app)
assert runner._kwargs["access_log_class"] is Logger
async def test_addresses(make_runner: Any, unix_sockname: Any) -> None:
_sock = get_unused_port_socket("127.0.0.1")
runner = make_runner()
await runner.setup()
tcp = web.SockSite(runner, _sock)
await tcp.start()
unix = web.UnixSite(runner, unix_sockname)
await unix.start()
actual_addrs = runner.addresses
expected_host, expected_post = _sock.getsockname()[:2]
assert actual_addrs == [(expected_host, expected_post), unix_sockname]
@pytest.mark.skipif(
platform.system() != "Windows", reason="Proactor Event loop present only in Windows"
)
async def test_named_pipe_runner_wrong_loop(
app: Any, selector_loop: Any, pipe_name: Any
) -> None:
runner = web.AppRunner(app)
await runner.setup()
with pytest.raises(RuntimeError):
web.NamedPipeSite(runner, pipe_name)
@pytest.mark.skipif(
platform.system() != "Windows", reason="Proactor Event loop present only in Windows"
)
async def test_named_pipe_runner_proactor_loop(
proactor_loop: Any, app: Any, pipe_name: Any
) -> None:
runner = web.AppRunner(app)
await runner.setup()
pipe = web.NamedPipeSite(runner, pipe_name)
await pipe.start()
await runner.cleanup()
async def test_tcpsite_default_host(make_runner: Any) -> None:
runner = make_runner()
await runner.setup()
site = web.TCPSite(runner)
assert site.name == "http://0.0.0.0:8080"
calls = []
async def mock_create_server(*args, **kwargs):
calls.append((args, kwargs))
with patch("asyncio.get_event_loop") as mock_get_loop:
mock_get_loop.return_value.create_server = mock_create_server
await site.start()
assert len(calls) == 1
server, host, port = calls[0][0]
assert server is runner.server
assert host is None
assert port == 8080
def test_run_after_asyncio_run() -> None:
async def nothing():
pass
def spy():
spy.called = True
spy.called = False
async def shutdown():
spy()
raise web.GracefulExit()
# asyncio.run() creates a new loop and closes it.
asyncio.run(nothing())
app = web.Application()
# create_task() will delay the function until app is run.
app.on_startup.append(lambda a: asyncio.create_task(shutdown()))
web.run_app(app)
assert spy.called, "run_app() should work after asyncio.run()."