269 lines
7.9 KiB
Python
269 lines
7.9 KiB
Python
import logging
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import warnings
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import pytest
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from bs4 import BeautifulSoup
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from sanic import Sanic
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from sanic.exceptions import (
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Forbidden,
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InvalidUsage,
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NotFound,
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SanicException,
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ServerError,
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Unauthorized,
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abort,
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)
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from sanic.response import text
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class SanicExceptionTestException(Exception):
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pass
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@pytest.fixture(scope="module")
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def exception_app():
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app = Sanic("test_exceptions")
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@app.route("/")
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def handler(request):
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return text("OK")
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@app.route("/error")
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def handler_error(request):
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raise ServerError("OK")
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@app.route("/404")
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def handler_404(request):
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raise NotFound("OK")
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@app.route("/403")
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def handler_403(request):
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raise Forbidden("Forbidden")
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@app.route("/401")
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def handler_401(request):
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raise Unauthorized("Unauthorized")
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@app.route("/401/basic")
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def handler_401_basic(request):
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raise Unauthorized("Unauthorized", scheme="Basic", realm="Sanic")
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@app.route("/401/digest")
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def handler_401_digest(request):
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raise Unauthorized(
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"Unauthorized",
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scheme="Digest",
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realm="Sanic",
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qop="auth, auth-int",
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algorithm="MD5",
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nonce="abcdef",
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opaque="zyxwvu",
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)
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@app.route("/401/bearer")
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def handler_401_bearer(request):
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raise Unauthorized("Unauthorized", scheme="Bearer")
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@app.route("/invalid")
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def handler_invalid(request):
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raise InvalidUsage("OK")
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@app.route("/abort/401")
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def handler_401_error(request):
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raise SanicException(status_code=401)
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@app.route("/abort")
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def handler_500_error(request):
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raise SanicException(status_code=500)
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@app.route("/old_abort")
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def handler_old_abort_error(request):
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abort(500)
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@app.route("/abort/message")
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def handler_abort_message(request):
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raise SanicException(message="Custom Message", status_code=500)
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@app.route("/divide_by_zero")
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def handle_unhandled_exception(request):
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_ = 1 / 0
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@app.route("/error_in_error_handler_handler")
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def custom_error_handler(request):
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raise SanicExceptionTestException("Dummy message!")
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@app.exception(SanicExceptionTestException)
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def error_in_error_handler_handler(request, exception):
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_ = 1 / 0
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return app
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def test_catch_exception_list(app):
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@app.exception([SanicExceptionTestException, NotFound])
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def exception_list(request, exception):
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return text("ok")
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@app.route("/")
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def exception(request):
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raise SanicExceptionTestException("You won't see me")
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request, response = app.test_client.get("/random")
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assert response.text == "ok"
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request, response = app.test_client.get("/")
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assert response.text == "ok"
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def test_no_exception(exception_app):
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"""Test that a route works without an exception"""
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request, response = exception_app.test_client.get("/")
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assert response.status == 200
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assert response.text == "OK"
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def test_server_error_exception(exception_app):
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"""Test the built-in ServerError exception works"""
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request, response = exception_app.test_client.get("/error")
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assert response.status == 500
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def test_invalid_usage_exception(exception_app):
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"""Test the built-in InvalidUsage exception works"""
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request, response = exception_app.test_client.get("/invalid")
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assert response.status == 400
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def test_not_found_exception(exception_app):
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"""Test the built-in NotFound exception works"""
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request, response = exception_app.test_client.get("/404")
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assert response.status == 404
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def test_forbidden_exception(exception_app):
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"""Test the built-in Forbidden exception"""
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request, response = exception_app.test_client.get("/403")
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assert response.status == 403
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def test_unauthorized_exception(exception_app):
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"""Test the built-in Unauthorized exception"""
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request, response = exception_app.test_client.get("/401")
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assert response.status == 401
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request, response = exception_app.test_client.get("/401/basic")
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assert response.status == 401
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assert response.headers.get("WWW-Authenticate") is not None
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assert response.headers.get("WWW-Authenticate") == 'Basic realm="Sanic"'
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request, response = exception_app.test_client.get("/401/digest")
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assert response.status == 401
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auth_header = response.headers.get("WWW-Authenticate")
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assert auth_header is not None
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assert auth_header.startswith("Digest")
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assert 'qop="auth, auth-int"' in auth_header
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assert 'algorithm="MD5"' in auth_header
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assert 'nonce="abcdef"' in auth_header
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assert 'opaque="zyxwvu"' in auth_header
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request, response = exception_app.test_client.get("/401/bearer")
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assert response.status == 401
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assert response.headers.get("WWW-Authenticate") == "Bearer"
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def test_handled_unhandled_exception(exception_app):
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"""Test that an exception not built into sanic is handled"""
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request, response = exception_app.test_client.get("/divide_by_zero")
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assert response.status == 500
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soup = BeautifulSoup(response.body, "html.parser")
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assert "Internal Server Error" in soup.h1.text
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message = " ".join(soup.p.text.split())
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assert message == (
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"The server encountered an internal error and "
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"cannot complete your request."
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)
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def test_exception_in_exception_handler(exception_app):
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"""Test that an exception thrown in an error handler is handled"""
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request, response = exception_app.test_client.get(
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"/error_in_error_handler_handler"
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)
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assert response.status == 500
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assert response.body == b"An error occurred while handling an error"
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def test_exception_in_exception_handler_debug_off(exception_app):
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"""Test that an exception thrown in an error handler is handled"""
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request, response = exception_app.test_client.get(
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"/error_in_error_handler_handler", debug=False
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)
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assert response.status == 500
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assert response.body == b"An error occurred while handling an error"
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def test_exception_in_exception_handler_debug_on(exception_app):
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"""Test that an exception thrown in an error handler is handled"""
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request, response = exception_app.test_client.get(
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"/error_in_error_handler_handler", debug=True
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)
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assert response.status == 500
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assert response.body.startswith(b"Exception raised in exception ")
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def test_sanic_exception(exception_app):
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"""Test sanic exceptions are handled"""
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request, response = exception_app.test_client.get("/abort/401")
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assert response.status == 401
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request, response = exception_app.test_client.get("/abort")
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assert response.status == 500
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# check fallback message
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assert "Internal Server Error" in response.text
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request, response = exception_app.test_client.get("/abort/message")
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assert response.status == 500
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assert "Custom Message" in response.text
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with warnings.catch_warnings(record=True) as w:
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request, response = exception_app.test_client.get("/old_abort")
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assert response.status == 500
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assert len(w) == 1 and "deprecated" in w[0].message.args[0]
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def test_custom_exception_default_message(exception_app):
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class TeaError(SanicException):
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message = "Tempest in a teapot"
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status_code = 418
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exception_app.router.reset()
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@exception_app.get("/tempest")
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def tempest(_):
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raise TeaError
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_, response = exception_app.test_client.get("/tempest", debug=True)
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assert response.status == 418
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assert b"Tempest in a teapot" in response.body
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def test_exception_in_ws_logged(caplog):
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app = Sanic(__file__)
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@app.websocket("/feed")
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async def feed(request, ws):
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raise Exception("...")
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with caplog.at_level(logging.INFO):
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app.test_client.websocket("/feed")
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assert caplog.record_tuples[1][0] == "sanic.error"
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assert caplog.record_tuples[1][1] == logging.ERROR
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assert (
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"Exception occurred while handling uri:" in caplog.record_tuples[1][2]
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)
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