38 lines
1 KiB
Python
38 lines
1 KiB
Python
# Copyright (c) Twisted Matrix Laboratories.
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# See LICENSE for details.
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"""
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Tests for L{twisted.names.resolve}.
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"""
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from twisted.trial.unittest import TestCase
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from twisted.names.error import DomainError
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from twisted.names.resolve import ResolverChain
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class ResolverChainTests(TestCase):
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"""
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Tests for L{twisted.names.resolve.ResolverChain}
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"""
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def test_emptyResolversList(self):
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"""
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L{ResolverChain._lookup} returns a L{DomainError} failure if
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its C{resolvers} list is empty.
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"""
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r = ResolverChain([])
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d = r.lookupAddress('www.example.com')
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f = self.failureResultOf(d)
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self.assertIs(f.trap(DomainError), DomainError)
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def test_emptyResolversListLookupAllRecords(self):
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"""
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L{ResolverChain.lookupAllRecords} returns a L{DomainError}
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failure if its C{resolvers} list is empty.
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"""
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r = ResolverChain([])
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d = r.lookupAllRecords('www.example.com')
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f = self.failureResultOf(d)
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self.assertIs(f.trap(DomainError), DomainError)
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