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test_web_log.py
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test_web_log.py
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# type: ignore
import datetime
import platform
import sys
from typing import Any
from unittest import mock
import pytest
import aiohttp
from aiohttp import web
from aiohttp.abc import AbstractAccessLogger, AbstractAsyncAccessLogger
from aiohttp.typedefs import Handler
from aiohttp.web_log import AccessLogger
from aiohttp.web_response import Response
try:
from contextvars import ContextVar
except ImportError:
ContextVar = None
IS_PYPY: Any = platform.python_implementation() == "PyPy"
def test_access_logger_format() -> None:
log_format = '%T "%{ETag}o" %X {X} %%P'
mock_logger = mock.Mock()
access_logger = AccessLogger(mock_logger, log_format)
expected = '%s "%s" %%X {X} %%%s'
assert expected == access_logger._log_format
@pytest.mark.skipif(
IS_PYPY,
reason="""
Because of patching :py:class:`datetime.datetime`, under PyPy it
fails in :py:func:`isinstance` call in
:py:meth:`datetime.datetime.__sub__` (called from
:py:meth:`aiohttp.AccessLogger._format_t`):
*** TypeError: isinstance() arg 2 must be a class, type, or tuple of classes and types
(Pdb) from datetime import datetime
(Pdb) isinstance(now, datetime)
*** TypeError: isinstance() arg 2 must be a class, type, or tuple of classes and types
(Pdb) datetime.__class__
<class 'unittest.mock.MagicMock'>
(Pdb) isinstance(now, datetime.__class__)
False
Ref: https://bitbucket.org/pypy/pypy/issues/1187/call-to-isinstance-in-__sub__-self-other
Ref: https://github.com/celery/celery/issues/811
Ref: https://stackoverflow.com/a/46102240/595220
""", # noqa: E501
)
@pytest.mark.parametrize(
"log_format,expected,extra",
[
(
"%t",
"[01/Jan/1843:00:29:56 +0800]",
{"request_start_time": "[01/Jan/1843:00:29:56 +0800]"},
),
(
'%a %t %P %r %s %b %T %Tf %D "%{H1}i" "%{H2}i"',
(
"127.0.0.2 [01/Jan/1843:00:29:56 +0800] <42> "
'GET /path HTTP/1.1 200 42 3 3.141593 3141593 "a" "b"'
),
{
"first_request_line": "GET /path HTTP/1.1",
"process_id": "<42>",
"remote_address": "127.0.0.2",
"request_start_time": "[01/Jan/1843:00:29:56 +0800]",
"request_time": "3",
"request_time_frac": "3.141593",
"request_time_micro": "3141593",
"response_size": 42,
"response_status": 200,
"request_header": {"H1": "a", "H2": "b"},
},
),
],
)
def test_access_logger_atoms(
monkeypatch: Any, log_format: Any, expected: Any, extra: Any
) -> None:
class PatchedDatetime(datetime.datetime):
@staticmethod
def now(tz):
return datetime.datetime(1843, 1, 1, 0, 30, tzinfo=tz)
monkeypatch.setattr("datetime.datetime", PatchedDatetime)
monkeypatch.setattr("time.timezone", -28800)
monkeypatch.setattr("os.getpid", lambda: 42)
mock_logger = mock.Mock()
access_logger = AccessLogger(mock_logger, log_format)
request = mock.Mock(
headers={"H1": "a", "H2": "b"},
method="GET",
path_qs="/path",
version=aiohttp.HttpVersion(1, 1),
remote="127.0.0.2",
)
response = mock.Mock(headers={}, body_length=42, status=200)
access_logger.log(request, response, 3.1415926)
assert not mock_logger.exception.called, mock_logger.exception.call_args
mock_logger.info.assert_called_with(expected, extra=extra)
def test_access_logger_dicts() -> None:
log_format = "%{User-Agent}i %{Content-Length}o %{None}i"
mock_logger = mock.Mock()
access_logger = AccessLogger(mock_logger, log_format)
request = mock.Mock(
headers={"User-Agent": "Mock/1.0"}, version=(1, 1), remote="127.0.0.2"
)
response = mock.Mock(headers={"Content-Length": 123})
access_logger.log(request, response, 0.0)
assert not mock_logger.error.called
expected = "Mock/1.0 123 -"
extra = {
"request_header": {"User-Agent": "Mock/1.0", "None": "-"},
"response_header": {"Content-Length": 123},
}
mock_logger.info.assert_called_with(expected, extra=extra)
def test_access_logger_unix_socket() -> None:
log_format = "|%a|"
mock_logger = mock.Mock()
access_logger = AccessLogger(mock_logger, log_format)
request = mock.Mock(headers={"User-Agent": "Mock/1.0"}, version=(1, 1), remote="")
response = mock.Mock()
access_logger.log(request, response, 0.0)
assert not mock_logger.error.called
expected = "||"
mock_logger.info.assert_called_with(expected, extra={"remote_address": ""})
def test_logger_no_message() -> None:
mock_logger = mock.Mock()
access_logger = AccessLogger(mock_logger, "%r %{content-type}i")
extra_dict = {
"first_request_line": "-",
"request_header": {"content-type": "(no headers)"},
}
access_logger.log(None, None, 0.0)
mock_logger.info.assert_called_with("- (no headers)", extra=extra_dict)
def test_logger_internal_error() -> None:
mock_logger = mock.Mock()
access_logger = AccessLogger(mock_logger, "%D")
access_logger.log(None, None, "invalid")
mock_logger.exception.assert_called_with("Error in logging")
def test_logger_no_transport() -> None:
mock_logger = mock.Mock()
access_logger = AccessLogger(mock_logger, "%a")
access_logger.log(None, None, 0)
mock_logger.info.assert_called_with("-", extra={"remote_address": "-"})
def test_logger_abc() -> None:
class Logger(AbstractAccessLogger):
def log(self, request, response, time):
1 / 0
mock_logger = mock.Mock()
access_logger = Logger(mock_logger, None)
with pytest.raises(ZeroDivisionError):
access_logger.log(None, None, None)
class Logger(AbstractAccessLogger):
def log(self, request, response, time):
self.logger.info(
self.log_format.format(request=request, response=response, time=time)
)
mock_logger = mock.Mock()
access_logger = Logger(mock_logger, "{request} {response} {time}")
access_logger.log("request", "response", 1)
mock_logger.info.assert_called_with("request response 1")
async def test_exc_info_context(aiohttp_raw_server: Any, aiohttp_client: Any) -> None:
exc_msg = None
class Logger(AbstractAccessLogger):
def log(self, request, response, time):
nonlocal exc_msg
exc_msg = "{0.__name__}: {1}".format(*sys.exc_info())
async def handler(request):
raise RuntimeError("intentional runtime error")
logger = mock.Mock()
server = await aiohttp_raw_server(handler, access_log_class=Logger, logger=logger)
cli = await aiohttp_client(server)
resp = await cli.get("/path/to", headers={"Accept": "text/html"})
assert resp.status == 500
assert exc_msg == "RuntimeError: intentional runtime error"
async def test_async_logger(aiohttp_raw_server: Any, aiohttp_client: Any):
msg = None
class Logger(AbstractAsyncAccessLogger):
async def log(self, request, response, time):
nonlocal msg
msg = f"{request.path}: {response.status}"
async def handler(request):
return Response(text="ok")
logger = mock.Mock()
server = await aiohttp_raw_server(handler, access_log_class=Logger, logger=logger)
cli = await aiohttp_client(server)
resp = await cli.get("/path/to", headers={"Accept": "text/html"})
assert resp.status == 200
assert msg == "/path/to: 200"
async def test_contextvars_logger(aiohttp_server: Any, aiohttp_client: Any):
VAR = ContextVar("VAR")
async def handler(request):
return web.Response()
async def middleware(request, handler: Handler):
VAR.set("uuid")
return await handler(request)
msg = None
class Logger(AbstractAccessLogger):
def log(self, request, response, time):
nonlocal msg
msg = f"contextvars: {VAR.get()}"
app = web.Application(middlewares=[middleware])
app.router.add_get("/", handler)
server = await aiohttp_server(app, access_log_class=Logger)
client = await aiohttp_client(server)
resp = await client.get("/")
assert 200 == resp.status
assert msg == "contextvars: uuid"