mirror of
https://github.com/element-hq/synapse
synced 2024-09-01 18:00:21 +00:00
219 lines
5.1 KiB
Python
219 lines
5.1 KiB
Python
import json
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from io import BytesIO
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from six import text_type
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import attr
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from twisted.internet import threads
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from twisted.internet.defer import Deferred
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from twisted.python.failure import Failure
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from twisted.test.proto_helpers import MemoryReactorClock
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from synapse.http.site import SynapseRequest
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from synapse.util import Clock
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from tests.utils import setup_test_homeserver as _sth
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@attr.s
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class FakeChannel(object):
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"""
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A fake Twisted Web Channel (the part that interfaces with the
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wire).
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"""
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result = attr.ib(default=attr.Factory(dict))
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@property
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def json_body(self):
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if not self.result:
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raise Exception("No result yet.")
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return json.loads(self.result["body"].decode('utf8'))
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@property
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def code(self):
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if not self.result:
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raise Exception("No result yet.")
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return int(self.result["code"])
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def writeHeaders(self, version, code, reason, headers):
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self.result["version"] = version
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self.result["code"] = code
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self.result["reason"] = reason
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self.result["headers"] = headers
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def write(self, content):
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if "body" not in self.result:
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self.result["body"] = b""
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self.result["body"] += content
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def requestDone(self, _self):
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self.result["done"] = True
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def getPeer(self):
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return None
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def getHost(self):
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return None
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@property
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def transport(self):
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return self
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class FakeSite:
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"""
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A fake Twisted Web Site, with mocks of the extra things that
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Synapse adds.
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"""
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server_version_string = b"1"
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site_tag = "test"
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@property
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def access_logger(self):
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class FakeLogger:
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def info(self, *args, **kwargs):
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pass
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return FakeLogger()
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def make_request(method, path, content=b""):
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"""
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Make a web request using the given method and path, feed it the
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content, and return the Request and the Channel underneath.
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"""
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if not isinstance(method, bytes):
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method = method.encode('ascii')
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if not isinstance(path, bytes):
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path = path.encode('ascii')
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# Decorate it to be the full path
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if not path.startswith(b"/_matrix"):
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path = b"/_matrix/client/r0/" + path
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path = path.replace(b"//", b"/")
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if isinstance(content, text_type):
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content = content.encode('utf8')
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site = FakeSite()
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channel = FakeChannel()
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req = SynapseRequest(site, channel)
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req.process = lambda: b""
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req.content = BytesIO(content)
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req.requestReceived(method, path, b"1.1")
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return req, channel
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def wait_until_result(clock, channel, timeout=100):
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"""
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Wait until the channel has a result.
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"""
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clock.run()
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x = 0
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while not channel.result:
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x += 1
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if x > timeout:
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raise Exception("Timed out waiting for request to finish.")
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clock.advance(0.1)
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def render(request, resource, clock):
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request.render(resource)
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wait_until_result(clock, request._channel)
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class ThreadedMemoryReactorClock(MemoryReactorClock):
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"""
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A MemoryReactorClock that supports callFromThread.
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"""
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def callFromThread(self, callback, *args, **kwargs):
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"""
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Make the callback fire in the next reactor iteration.
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"""
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d = Deferred()
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d.addCallback(lambda x: callback(*args, **kwargs))
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self.callLater(0, d.callback, True)
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return d
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def setup_test_homeserver(cleanup_func, *args, **kwargs):
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"""
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Set up a synchronous test server, driven by the reactor used by
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the homeserver.
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"""
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d = _sth(cleanup_func, *args, **kwargs).result
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if isinstance(d, Failure):
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d.raiseException()
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# Make the thread pool synchronous.
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clock = d.get_clock()
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pool = d.get_db_pool()
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def runWithConnection(func, *args, **kwargs):
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return threads.deferToThreadPool(
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pool._reactor,
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pool.threadpool,
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pool._runWithConnection,
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func,
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*args,
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**kwargs
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)
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def runInteraction(interaction, *args, **kwargs):
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return threads.deferToThreadPool(
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pool._reactor,
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pool.threadpool,
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pool._runInteraction,
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interaction,
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*args,
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**kwargs
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)
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pool.runWithConnection = runWithConnection
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pool.runInteraction = runInteraction
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class ThreadPool:
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"""
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Threadless thread pool.
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"""
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def start(self):
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pass
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def stop(self):
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pass
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def callInThreadWithCallback(self, onResult, function, *args, **kwargs):
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def _(res):
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if isinstance(res, Failure):
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onResult(False, res)
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else:
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onResult(True, res)
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d = Deferred()
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d.addCallback(lambda x: function(*args, **kwargs))
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d.addBoth(_)
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clock._reactor.callLater(0, d.callback, True)
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return d
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clock.threadpool = ThreadPool()
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pool.threadpool = ThreadPool()
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return d
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def get_clock():
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clock = ThreadedMemoryReactorClock()
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hs_clock = Clock(clock)
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return (clock, hs_clock)
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