473 lines
16 KiB
Python
473 lines
16 KiB
Python
# Copyright 2018 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import re
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from http import HTTPStatus
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from typing import Tuple
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from twisted.internet.defer import Deferred
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from twisted.web.resource import Resource
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from synapse.api.errors import Codes, RedirectException, SynapseError
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from synapse.config.server import parse_listener_def
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from synapse.http.server import (
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DirectServeHtmlResource,
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DirectServeJsonResource,
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JsonResource,
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OptionsResource,
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cancellable,
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)
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from synapse.http.site import SynapseRequest, SynapseSite
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from synapse.logging.context import make_deferred_yieldable
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from synapse.types import JsonDict
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from synapse.util import Clock
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from tests import unittest
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from tests.http.server._base import test_disconnect
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from tests.server import (
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FakeSite,
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ThreadedMemoryReactorClock,
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make_request,
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setup_test_homeserver,
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)
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class JsonResourceTests(unittest.TestCase):
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def setUp(self):
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self.reactor = ThreadedMemoryReactorClock()
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self.hs_clock = Clock(self.reactor)
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self.homeserver = setup_test_homeserver(
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self.addCleanup,
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federation_http_client=None,
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clock=self.hs_clock,
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reactor=self.reactor,
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)
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def test_handler_for_request(self):
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"""
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JsonResource.handler_for_request gives correctly decoded URL args to
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the callback, while Twisted will give the raw bytes of URL query
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arguments.
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"""
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got_kwargs = {}
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def _callback(request, **kwargs):
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got_kwargs.update(kwargs)
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return 200, kwargs
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res = JsonResource(self.homeserver)
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res.register_paths(
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"GET",
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[re.compile("^/_matrix/foo/(?P<room_id>[^/]*)$")],
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_callback,
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"test_servlet",
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)
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make_request(
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self.reactor,
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FakeSite(res, self.reactor),
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b"GET",
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b"/_matrix/foo/%E2%98%83?a=%E2%98%83",
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)
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self.assertEqual(got_kwargs, {"room_id": "\N{SNOWMAN}"})
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def test_callback_direct_exception(self):
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"""
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If the web callback raises an uncaught exception, it will be translated
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into a 500.
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"""
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def _callback(request, **kwargs):
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raise Exception("boo")
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res = JsonResource(self.homeserver)
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res.register_paths(
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"GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
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)
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channel = make_request(
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self.reactor, FakeSite(res, self.reactor), b"GET", b"/_matrix/foo"
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)
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self.assertEqual(channel.result["code"], b"500")
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def test_callback_indirect_exception(self):
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"""
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If the web callback raises an uncaught exception in a Deferred, it will
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be translated into a 500.
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"""
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def _throw(*args):
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raise Exception("boo")
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def _callback(request, **kwargs):
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d = Deferred()
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d.addCallback(_throw)
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self.reactor.callLater(0.5, d.callback, True)
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return make_deferred_yieldable(d)
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res = JsonResource(self.homeserver)
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res.register_paths(
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"GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
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)
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channel = make_request(
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self.reactor, FakeSite(res, self.reactor), b"GET", b"/_matrix/foo"
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)
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self.assertEqual(channel.result["code"], b"500")
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def test_callback_synapseerror(self):
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"""
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If the web callback raises a SynapseError, it returns the appropriate
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status code and message set in it.
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"""
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def _callback(request, **kwargs):
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raise SynapseError(403, "Forbidden!!one!", Codes.FORBIDDEN)
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res = JsonResource(self.homeserver)
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res.register_paths(
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"GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
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)
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channel = make_request(
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self.reactor, FakeSite(res, self.reactor), b"GET", b"/_matrix/foo"
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)
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self.assertEqual(channel.result["code"], b"403")
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self.assertEqual(channel.json_body["error"], "Forbidden!!one!")
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self.assertEqual(channel.json_body["errcode"], "M_FORBIDDEN")
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def test_no_handler(self):
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"""
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If there is no handler to process the request, Synapse will return 400.
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"""
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def _callback(request, **kwargs):
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"""
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Not ever actually called!
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"""
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self.fail("shouldn't ever get here")
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res = JsonResource(self.homeserver)
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res.register_paths(
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"GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
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)
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channel = make_request(
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self.reactor, FakeSite(res, self.reactor), b"GET", b"/_matrix/foobar"
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)
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self.assertEqual(channel.result["code"], b"400")
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self.assertEqual(channel.json_body["error"], "Unrecognized request")
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self.assertEqual(channel.json_body["errcode"], "M_UNRECOGNIZED")
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def test_head_request(self):
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"""
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JsonResource.handler_for_request gives correctly decoded URL args to
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the callback, while Twisted will give the raw bytes of URL query
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arguments.
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"""
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def _callback(request, **kwargs):
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return 200, {"result": True}
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res = JsonResource(self.homeserver)
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res.register_paths(
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"GET",
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[re.compile("^/_matrix/foo$")],
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_callback,
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"test_servlet",
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)
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# The path was registered as GET, but this is a HEAD request.
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channel = make_request(
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self.reactor, FakeSite(res, self.reactor), b"HEAD", b"/_matrix/foo"
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)
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self.assertEqual(channel.result["code"], b"200")
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self.assertNotIn("body", channel.result)
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class OptionsResourceTests(unittest.TestCase):
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def setUp(self):
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self.reactor = ThreadedMemoryReactorClock()
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class DummyResource(Resource):
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isLeaf = True
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def render(self, request):
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return request.path
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# Setup a resource with some children.
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self.resource = OptionsResource()
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self.resource.putChild(b"res", DummyResource())
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def _make_request(self, method, path):
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"""Create a request from the method/path and return a channel with the response."""
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# Create a site and query for the resource.
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site = SynapseSite(
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"test",
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"site_tag",
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parse_listener_def({"type": "http", "port": 0}),
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self.resource,
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"1.0",
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max_request_body_size=1234,
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reactor=self.reactor,
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)
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# render the request and return the channel
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channel = make_request(self.reactor, site, method, path, shorthand=False)
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return channel
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def test_unknown_options_request(self):
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"""An OPTIONS requests to an unknown URL still returns 204 No Content."""
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channel = self._make_request(b"OPTIONS", b"/foo/")
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self.assertEqual(channel.result["code"], b"204")
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self.assertNotIn("body", channel.result)
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# Ensure the correct CORS headers have been added
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self.assertTrue(
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channel.headers.hasHeader(b"Access-Control-Allow-Origin"),
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"has CORS Origin header",
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)
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self.assertTrue(
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channel.headers.hasHeader(b"Access-Control-Allow-Methods"),
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"has CORS Methods header",
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)
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self.assertTrue(
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channel.headers.hasHeader(b"Access-Control-Allow-Headers"),
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"has CORS Headers header",
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)
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def test_known_options_request(self):
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"""An OPTIONS requests to an known URL still returns 204 No Content."""
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channel = self._make_request(b"OPTIONS", b"/res/")
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self.assertEqual(channel.result["code"], b"204")
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self.assertNotIn("body", channel.result)
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# Ensure the correct CORS headers have been added
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self.assertTrue(
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channel.headers.hasHeader(b"Access-Control-Allow-Origin"),
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"has CORS Origin header",
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)
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self.assertTrue(
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channel.headers.hasHeader(b"Access-Control-Allow-Methods"),
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"has CORS Methods header",
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)
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self.assertTrue(
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channel.headers.hasHeader(b"Access-Control-Allow-Headers"),
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"has CORS Headers header",
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)
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def test_unknown_request(self):
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"""A non-OPTIONS request to an unknown URL should 404."""
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channel = self._make_request(b"GET", b"/foo/")
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self.assertEqual(channel.result["code"], b"404")
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def test_known_request(self):
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"""A non-OPTIONS request to an known URL should query the proper resource."""
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channel = self._make_request(b"GET", b"/res/")
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self.assertEqual(channel.result["code"], b"200")
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self.assertEqual(channel.result["body"], b"/res/")
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class WrapHtmlRequestHandlerTests(unittest.TestCase):
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class TestResource(DirectServeHtmlResource):
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callback = None
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async def _async_render_GET(self, request):
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await self.callback(request)
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def setUp(self):
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self.reactor = ThreadedMemoryReactorClock()
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def test_good_response(self):
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async def callback(request):
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request.write(b"response")
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request.finish()
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res = WrapHtmlRequestHandlerTests.TestResource()
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res.callback = callback
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channel = make_request(
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self.reactor, FakeSite(res, self.reactor), b"GET", b"/path"
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)
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self.assertEqual(channel.result["code"], b"200")
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body = channel.result["body"]
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self.assertEqual(body, b"response")
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def test_redirect_exception(self):
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"""
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If the callback raises a RedirectException, it is turned into a 30x
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with the right location.
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"""
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async def callback(request, **kwargs):
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raise RedirectException(b"/look/an/eagle", 301)
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res = WrapHtmlRequestHandlerTests.TestResource()
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res.callback = callback
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channel = make_request(
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self.reactor, FakeSite(res, self.reactor), b"GET", b"/path"
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)
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self.assertEqual(channel.result["code"], b"301")
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headers = channel.result["headers"]
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location_headers = [v for k, v in headers if k == b"Location"]
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self.assertEqual(location_headers, [b"/look/an/eagle"])
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def test_redirect_exception_with_cookie(self):
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"""
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If the callback raises a RedirectException which sets a cookie, that is
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returned too
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"""
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async def callback(request, **kwargs):
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e = RedirectException(b"/no/over/there", 304)
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e.cookies.append(b"session=yespls")
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raise e
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res = WrapHtmlRequestHandlerTests.TestResource()
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res.callback = callback
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channel = make_request(
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self.reactor, FakeSite(res, self.reactor), b"GET", b"/path"
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)
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self.assertEqual(channel.result["code"], b"304")
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headers = channel.result["headers"]
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location_headers = [v for k, v in headers if k == b"Location"]
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self.assertEqual(location_headers, [b"/no/over/there"])
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cookies_headers = [v for k, v in headers if k == b"Set-Cookie"]
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self.assertEqual(cookies_headers, [b"session=yespls"])
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def test_head_request(self):
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"""A head request should work by being turned into a GET request."""
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async def callback(request):
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request.write(b"response")
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request.finish()
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res = WrapHtmlRequestHandlerTests.TestResource()
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res.callback = callback
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channel = make_request(
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self.reactor, FakeSite(res, self.reactor), b"HEAD", b"/path"
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)
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self.assertEqual(channel.result["code"], b"200")
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self.assertNotIn("body", channel.result)
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class CancellableDirectServeJsonResource(DirectServeJsonResource):
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def __init__(self, clock: Clock):
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super().__init__()
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self.clock = clock
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@cancellable
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async def _async_render_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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await self.clock.sleep(1.0)
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return HTTPStatus.OK, {"result": True}
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async def _async_render_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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await self.clock.sleep(1.0)
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return HTTPStatus.OK, {"result": True}
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class CancellableDirectServeHtmlResource(DirectServeHtmlResource):
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ERROR_TEMPLATE = "{code} {msg}"
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def __init__(self, clock: Clock):
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super().__init__()
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self.clock = clock
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@cancellable
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async def _async_render_GET(self, request: SynapseRequest) -> Tuple[int, bytes]:
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await self.clock.sleep(1.0)
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return HTTPStatus.OK, b"ok"
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async def _async_render_POST(self, request: SynapseRequest) -> Tuple[int, bytes]:
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await self.clock.sleep(1.0)
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return HTTPStatus.OK, b"ok"
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class DirectServeJsonResourceCancellationTests(unittest.TestCase):
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"""Tests for `DirectServeJsonResource` cancellation."""
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def setUp(self):
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self.reactor = ThreadedMemoryReactorClock()
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self.clock = Clock(self.reactor)
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self.resource = CancellableDirectServeJsonResource(self.clock)
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self.site = FakeSite(self.resource, self.reactor)
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def test_cancellable_disconnect(self) -> None:
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"""Test that handlers with the `@cancellable` flag can be cancelled."""
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channel = make_request(
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self.reactor, self.site, "GET", "/sleep", await_result=False
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)
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test_disconnect(
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self.reactor,
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channel,
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expect_cancellation=True,
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expected_body={"error": "Request cancelled", "errcode": Codes.UNKNOWN},
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)
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def test_uncancellable_disconnect(self) -> None:
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"""Test that handlers without the `@cancellable` flag cannot be cancelled."""
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channel = make_request(
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self.reactor, self.site, "POST", "/sleep", await_result=False
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)
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test_disconnect(
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self.reactor,
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channel,
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expect_cancellation=False,
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expected_body={"result": True},
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)
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class DirectServeHtmlResourceCancellationTests(unittest.TestCase):
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"""Tests for `DirectServeHtmlResource` cancellation."""
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def setUp(self):
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self.reactor = ThreadedMemoryReactorClock()
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self.clock = Clock(self.reactor)
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self.resource = CancellableDirectServeHtmlResource(self.clock)
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self.site = FakeSite(self.resource, self.reactor)
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def test_cancellable_disconnect(self) -> None:
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"""Test that handlers with the `@cancellable` flag can be cancelled."""
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channel = make_request(
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self.reactor, self.site, "GET", "/sleep", await_result=False
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)
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test_disconnect(
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self.reactor,
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channel,
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expect_cancellation=True,
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expected_body=b"499 Request cancelled",
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)
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def test_uncancellable_disconnect(self) -> None:
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"""Test that handlers without the `@cancellable` flag cannot be cancelled."""
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channel = make_request(
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self.reactor, self.site, "POST", "/sleep", await_result=False
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)
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test_disconnect(
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self.reactor, channel, expect_cancellation=False, expected_body=b"ok"
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)
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