def test_simplifier(self):
"""
L{ComplexResolverSimplifier} translates an L{IHostnameResolver} into an
L{IResolverSimple} for applications that still expect the old
interfaces to be in place.
"""
self.pool, self.doThreadWork = deterministicPool()
self.reactor, self.doReactorWork = deterministicReactorThreads()
self.getter = FakeAddrInfoGetter()
self.resolver = GAIResolver(self.reactor, lambda: self.pool,
self.getter.getaddrinfo)
simpleResolver = ComplexResolverSimplifier(self.resolver)
self.getter.addResultForHost('example.com', ('192.168.3.4', 4321))
success = simpleResolver.getHostByName('example.com')
failure = simpleResolver.getHostByName('nx.example.com')
self.doThreadWork()
self.doReactorWork()
self.doThreadWork()
self.doReactorWork()
self.assertEqual(self.failureResultOf(failure).type, DNSLookupError)
self.assertEqual(self.successResultOf(success), '192.168.3.4')
def test_simplifier(self):
"""
L{ComplexResolverSimplifier} translates an L{IHostnameResolver} into an
L{IResolverSimple} for applications that still expect the old
interfaces to be in place.
"""
self.pool, self.doThreadWork = deterministicPool()
self.reactor, self.doReactorWork = deterministicReactorThreads()
self.getter = FakeAddrInfoGetter()
self.resolver = GAIResolver(self.reactor, lambda: self.pool,
self.getter.getaddrinfo)
simpleResolver = ComplexResolverSimplifier(self.resolver)
self.getter.addResultForHost('example.com', ('192.168.3.4', 4321))
success = simpleResolver.getHostByName('example.com')
failure = simpleResolver.getHostByName('nx.example.com')
self.doThreadWork()
self.doReactorWork()
self.doThreadWork()
self.doReactorWork()
self.assertEqual(self.failureResultOf(failure).type, DNSLookupError)
self.assertEqual(self.successResultOf(success), '192.168.3.4')