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Use SimpleResolverComplexifier in tests (#4497)

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two reasons for this. One, it saves a bunch of boilerplate. Two, it squashes
unicode to IDNA-in-a-`str` (even on python 3) in a way that it turns out we
rely on to give consistent behaviour between python 2 and 3.
This commit is contained in:
Richard van der Hoff 2019-01-29 09:38:29 +00:00 committed by Amber Brown
parent f1a04462eb
commit f2b553d656
3 changed files with 15 additions and 30 deletions
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1
changelog.d/4497.feature Normal file
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@ -0,0 +1 @@
Implement MSC1708 (.well-known routing for server-server federation)

7
tests/http/federation/test_matrix_federation_agent.py
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@ -377,9 +377,8 @@ class MatrixFederationAgentTests(TestCase):
self.mock_resolver.resolve_service.side_effect = lambda _: []
# hostnameendpoint does the lookup on the unicode value (getaddrinfo encodes
# it back to idna)
self.reactor.lookups[u"bücher.com"] = "1.2.3.4"
# the resolver is always called with the IDNA hostname as a native string.
self.reactor.lookups["xn--bcher-kva.com"] = "1.2.3.4"
# this is idna for bücher.com
test_d = self._make_get_request(b"matrix://xn--bcher-kva.com/foo/bar")
@ -424,7 +423,7 @@ class MatrixFederationAgentTests(TestCase):
self.mock_resolver.resolve_service.side_effect = lambda _: [
Server(host=b"xn--trget-3qa.com", port=8443) # târget.com
]
self.reactor.lookups[u"târget.com"] = "1.2.3.4"
self.reactor.lookups["xn--trget-3qa.com"] = "1.2.3.4"
test_d = self._make_get_request(b"matrix://xn--bcher-kva.com/foo/bar")

37
tests/server.py
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@ -8,11 +8,10 @@ import attr
from zope.interface import implementer
from twisted.internet import address, threads, udp
from twisted.internet._resolver import HostResolution
from twisted.internet.address import IPv4Address
from twisted.internet.defer import Deferred
from twisted.internet._resolver import SimpleResolverComplexifier
from twisted.internet.defer import Deferred, fail, succeed
from twisted.internet.error import DNSLookupError
from twisted.internet.interfaces import IReactorPluggableNameResolver
from twisted.internet.interfaces import IReactorPluggableNameResolver, IResolverSimple
from twisted.python.failure import Failure
from twisted.test.proto_helpers import MemoryReactorClock
from twisted.web.http import unquote
@ -227,30 +226,16 @@ class ThreadedMemoryReactorClock(MemoryReactorClock):
def __init__(self):
self._udp = []
self.lookups = {}
lookups = self.lookups = {}
class Resolver(object):
def resolveHostName(
_self,
resolutionReceiver,
hostName,
portNumber=0,
addressTypes=None,
transportSemantics='TCP',
):
@implementer(IResolverSimple)
class FakeResolver(object):
def getHostByName(self, name, timeout=None):
if name not in lookups:
return fail(DNSLookupError("OH NO: unknown %s" % (name, )))
return succeed(lookups[name])
resolution = HostResolution(hostName)
resolutionReceiver.resolutionBegan(resolution)
if hostName not in self.lookups:
raise DNSLookupError("OH NO")
resolutionReceiver.addressResolved(
IPv4Address('TCP', self.lookups[hostName], portNumber)
)
resolutionReceiver.resolutionComplete()
return resolution
self.nameResolver = Resolver()
self.nameResolver = SimpleResolverComplexifier(FakeResolver())
super(ThreadedMemoryReactorClock, self).__init__()
def listenUDP(self, port, protocol, interface='', maxPacketSize=8196):