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: /lib/python3/dist-packages/twisted/names/test/ [ drwxr-xr-x ]
name : test_resolve.py # Copyright (c) Twisted Matrix Laboratories. # See LICENSE for details. """ Tests for L{twisted.names.resolve}. """ from twisted.trial.unittest import TestCase from twisted.names.error import DomainError from twisted.names.resolve import ResolverChain class ResolverChainTests(TestCase): """ Tests for L{twisted.names.resolve.ResolverChain} """ def test_emptyResolversList(self): """ L{ResolverChain._lookup} returns a L{DomainError} failure if its C{resolvers} list is empty. """ r = ResolverChain([]) d = r.lookupAddress('www.example.com') f = self.failureResultOf(d) self.assertIs(f.trap(DomainError), DomainError) def test_emptyResolversListLookupAllRecords(self): """ L{ResolverChain.lookupAllRecords} returns a L{DomainError} failure if its C{resolvers} list is empty. """ r = ResolverChain([]) d = r.lookupAllRecords('www.example.com') f = self.failureResultOf(d) self.assertIs(f.trap(DomainError), DomainError)