Example #1
0
class HostsTestCase(TestCase):
    """
    Tests for the I{hosts(5)}-based L{twisted.names.hosts.Resolver}.
    """
    def setUp(self):
        f = open('EtcHosts', 'w')
        f.write('''
1.1.1.1    EXAMPLE EXAMPLE.EXAMPLETHING
::2        mixed
1.1.1.2    MIXED
::1        ip6thingy
1.1.1.3    multiple
1.1.1.4    multiple
::3        ip6-multiple
::4        ip6-multiple
''')
        f.close()
        self.ttl = 4200
        self.resolver = Resolver('EtcHosts', self.ttl)

    def testGetHostByName(self):
        data = [('EXAMPLE', '1.1.1.1'),
                ('EXAMPLE.EXAMPLETHING', '1.1.1.1'),
                ('MIXED', '1.1.1.2'),
                ]
        ds = [self.resolver.getHostByName(n).addCallback(self.assertEqual, ip)
              for n, ip in data]
        return gatherResults(ds)


    def test_lookupAddress(self):
        """
        L{hosts.Resolver.lookupAddress} returns a L{Deferred} which fires with A
        records from the hosts file.
        """
        d = self.resolver.lookupAddress('multiple')
        def resolved((results, authority, additional)):
            self.assertEqual(
                (RRHeader("multiple", A, IN, self.ttl,
                          Record_A("1.1.1.3", self.ttl)),
                 RRHeader("multiple", A, IN, self.ttl,
                          Record_A("1.1.1.4", self.ttl))),
                results)
        d.addCallback(resolved)
        return d


    def test_lookupIPV6Address(self):
        """
        L{hosts.Resolver.lookupIPV6Address} returns a L{Deferred} which fires
        with AAAA records from the hosts file.
        """
        d = self.resolver.lookupIPV6Address('ip6-multiple')
        def resolved((results, authority, additional)):
            self.assertEqual(
                (RRHeader("ip6-multiple", AAAA, IN, self.ttl,
                          Record_AAAA("::3", self.ttl)),
                 RRHeader("ip6-multiple", AAAA, IN, self.ttl,
                          Record_AAAA("::4", self.ttl))),
                results)
        d.addCallback(resolved)
        return d


    def test_lookupAllRecords(self):
        """
        L{hosts.Resolver.lookupAllRecords} returns a L{Deferred} which fires
        with A records from the hosts file.
        """
        d = self.resolver.lookupAllRecords('mixed')
        def resolved((results, authority, additional)):
            self.assertEqual(
                (RRHeader("mixed", A, IN, self.ttl,
                          Record_A("1.1.1.2", self.ttl)),),
                results)
        d.addCallback(resolved)
        return d


    def testNotImplemented(self):
        return self.assertFailure(self.resolver.lookupMailExchange('EXAMPLE'),
                                  NotImplementedError)

    def testQuery(self):
        d = self.resolver.query(Query('EXAMPLE'))
        d.addCallback(lambda x: self.assertEqual(x[0][0].payload.dottedQuad(),
                                                 '1.1.1.1'))
        return d

    def test_lookupAddressNotFound(self):
        """
        L{hosts.Resolver.lookupAddress} returns a L{Deferred} which fires with
        L{dns.DomainError} if the name passed in has no addresses in the hosts
        file.
        """
        return self.assertFailure(self.resolver.lookupAddress('foueoa'),
                                  DomainError)

    def test_lookupIPV6AddressNotFound(self):
        """
        Like L{test_lookupAddressNotFound}, but for
        L{hosts.Resolver.lookupIPV6Address}.
        """
        return self.assertFailure(self.resolver.lookupIPV6Address('foueoa'),
                                  DomainError)

    def test_lookupAllRecordsNotFound(self):
        """
        Like L{test_lookupAddressNotFound}, but for
        L{hosts.Resolver.lookupAllRecords}.
        """
        return self.assertFailure(self.resolver.lookupAllRecords('foueoa'),
                                  DomainError)
Example #2
0
class HostsTests(SynchronousTestCase, GoodTempPathMixin):
    """
    Tests for the I{hosts(5)}-based L{twisted.names.hosts.Resolver}.
    """

    def setUp(self):
        f = self.path()
        f.setContent(
            b"""
1.1.1.1    EXAMPLE EXAMPLE.EXAMPLETHING
::2        mixed
1.1.1.2    MIXED
::1        ip6thingy
1.1.1.3    multiple
1.1.1.4    multiple
::3        ip6-multiple
::4        ip6-multiple
not-an-ip  malformed
malformed
# malformed
1.1.1.5    malformed
::5        malformed
"""
        )
        self.ttl = 4200
        self.resolver = Resolver(f.path, self.ttl)

    def test_defaultPath(self):
        """
        The default hosts file used by L{Resolver} is I{/etc/hosts} if no value
        is given for the C{file} initializer parameter.
        """
        resolver = Resolver()
        self.assertEqual(b"/etc/hosts", resolver.file)

    def test_getHostByName(self):
        """
        L{hosts.Resolver.getHostByName} returns a L{Deferred} which fires with a
        string giving the address of the queried name as found in the resolver's
        hosts file.
        """
        data = [
            (b"EXAMPLE", "1.1.1.1"),
            (b"EXAMPLE.EXAMPLETHING", "1.1.1.1"),
            (b"MIXED", "1.1.1.2"),
        ]
        ds = [
            self.resolver.getHostByName(n).addCallback(self.assertEqual, ip)
            for n, ip in data
        ]
        self.successResultOf(gatherResults(ds))

    def test_lookupAddress(self):
        """
        L{hosts.Resolver.lookupAddress} returns a L{Deferred} which fires with A
        records from the hosts file.
        """
        d = self.resolver.lookupAddress(b"multiple")
        answers, authority, additional = self.successResultOf(d)
        self.assertEqual(
            (
                RRHeader(b"multiple", A, IN, self.ttl, Record_A("1.1.1.3", self.ttl)),
                RRHeader(b"multiple", A, IN, self.ttl, Record_A("1.1.1.4", self.ttl)),
            ),
            answers,
        )

    def test_lookupIPV6Address(self):
        """
        L{hosts.Resolver.lookupIPV6Address} returns a L{Deferred} which fires
        with AAAA records from the hosts file.
        """
        d = self.resolver.lookupIPV6Address(b"ip6-multiple")
        answers, authority, additional = self.successResultOf(d)
        self.assertEqual(
            (
                RRHeader(
                    b"ip6-multiple", AAAA, IN, self.ttl, Record_AAAA("::3", self.ttl)
                ),
                RRHeader(
                    b"ip6-multiple", AAAA, IN, self.ttl, Record_AAAA("::4", self.ttl)
                ),
            ),
            answers,
        )

    def test_lookupAllRecords(self):
        """
        L{hosts.Resolver.lookupAllRecords} returns a L{Deferred} which fires
        with A records from the hosts file.
        """
        d = self.resolver.lookupAllRecords(b"mixed")
        answers, authority, additional = self.successResultOf(d)
        self.assertEqual(
            (RRHeader(b"mixed", A, IN, self.ttl, Record_A("1.1.1.2", self.ttl)),),
            answers,
        )

    def test_notImplemented(self):
        """
        L{hosts.Resolver} fails with L{NotImplementedError} for L{IResolver}
        methods it doesn't implement.
        """
        self.failureResultOf(
            self.resolver.lookupMailExchange(b"EXAMPLE"), NotImplementedError
        )

    def test_query(self):
        d = self.resolver.query(Query(b"EXAMPLE"))
        [answer], authority, additional = self.successResultOf(d)
        self.assertEqual(answer.payload.dottedQuad(), "1.1.1.1")

    def test_lookupAddressNotFound(self):
        """
        L{hosts.Resolver.lookupAddress} returns a L{Deferred} which fires with
        L{dns.DomainError} if the name passed in has no addresses in the hosts
        file.
        """
        self.failureResultOf(self.resolver.lookupAddress(b"foueoa"), DomainError)

    def test_lookupIPV6AddressNotFound(self):
        """
        Like L{test_lookupAddressNotFound}, but for
        L{hosts.Resolver.lookupIPV6Address}.
        """
        self.failureResultOf(self.resolver.lookupIPV6Address(b"foueoa"), DomainError)

    def test_lookupAllRecordsNotFound(self):
        """
        Like L{test_lookupAddressNotFound}, but for
        L{hosts.Resolver.lookupAllRecords}.
        """
        self.failureResultOf(self.resolver.lookupAllRecords(b"foueoa"), DomainError)

    def test_lookupMalformed(self):
        """
        L{hosts.Resolver.lookupAddress} returns a L{Deferred} which fires with
        the valid addresses from the hosts file, ignoring any entries that
        aren't valid IP addresses.
        """
        d = self.resolver.lookupAddress(b"malformed")
        [answer], authority, additional = self.successResultOf(d)
        self.assertEqual(
            RRHeader(b"malformed", A, IN, self.ttl, Record_A("1.1.1.5", self.ttl)),
            answer,
        )

    def test_lookupIPV6Malformed(self):
        """
        Like L{test_lookupAddressMalformed}, but for
        L{hosts.Resolver.lookupIPV6Address}.
        """
        d = self.resolver.lookupIPV6Address(b"malformed")
        [answer], authority, additional = self.successResultOf(d)
        self.assertEqual(
            RRHeader(b"malformed", AAAA, IN, self.ttl, Record_AAAA("::5", self.ttl)),
            answer,
        )
Example #3
0
class HostsTests(TestCase, GoodTempPathMixin):
    """
    Tests for the I{hosts(5)}-based L{twisted.names.hosts.Resolver}.
    """
    def setUp(self):
        f = self.path()
        f.setContent(b'''
1.1.1.1    EXAMPLE EXAMPLE.EXAMPLETHING
::2        mixed
1.1.1.2    MIXED
::1        ip6thingy
1.1.1.3    multiple
1.1.1.4    multiple
::3        ip6-multiple
::4        ip6-multiple
''')
        self.ttl = 4200
        self.resolver = Resolver(f.path, self.ttl)


    def test_defaultPath(self):
        """
        The default hosts file used by L{Resolver} is I{/etc/hosts} if no value
        is given for the C{file} initializer parameter.
        """
        resolver = Resolver()
        self.assertEqual(b"/etc/hosts", resolver.file)


    def test_getHostByName(self):
        """
        L{hosts.Resolver.getHostByName} returns a L{Deferred} which fires with a
        string giving the address of the queried name as found in the resolver's
        hosts file.
        """
        data = [(b'EXAMPLE', '1.1.1.1'),
                (b'EXAMPLE.EXAMPLETHING', '1.1.1.1'),
                (b'MIXED', '1.1.1.2'),
                ]
        ds = [self.resolver.getHostByName(n).addCallback(self.assertEqual, ip)
              for n, ip in data]
        return gatherResults(ds)


    def test_lookupAddress(self):
        """
        L{hosts.Resolver.lookupAddress} returns a L{Deferred} which fires with A
        records from the hosts file.
        """
        d = self.resolver.lookupAddress(b'multiple')
        def resolved(results):
            answers, authority, additional = results
            self.assertEqual(
                (RRHeader(b"multiple", A, IN, self.ttl,
                          Record_A("1.1.1.3", self.ttl)),
                 RRHeader(b"multiple", A, IN, self.ttl,
                          Record_A("1.1.1.4", self.ttl))),
                answers)
        d.addCallback(resolved)
        return d


    def test_lookupIPV6Address(self):
        """
        L{hosts.Resolver.lookupIPV6Address} returns a L{Deferred} which fires
        with AAAA records from the hosts file.
        """
        d = self.resolver.lookupIPV6Address(b'ip6-multiple')
        def resolved(results):
            answers, authority, additional = results
            self.assertEqual(
                (RRHeader(b"ip6-multiple", AAAA, IN, self.ttl,
                          Record_AAAA("::3", self.ttl)),
                 RRHeader(b"ip6-multiple", AAAA, IN, self.ttl,
                          Record_AAAA("::4", self.ttl))),
                answers)
        d.addCallback(resolved)
        return d


    def test_lookupAllRecords(self):
        """
        L{hosts.Resolver.lookupAllRecords} returns a L{Deferred} which fires
        with A records from the hosts file.
        """
        d = self.resolver.lookupAllRecords(b'mixed')
        def resolved(results):
            answers, authority, additional = results
            self.assertEqual(
                (RRHeader(b"mixed", A, IN, self.ttl,
                          Record_A("1.1.1.2", self.ttl)),),
                answers)
        d.addCallback(resolved)
        return d


    def test_notImplemented(self):
        return self.assertFailure(self.resolver.lookupMailExchange(b'EXAMPLE'),
                                  NotImplementedError)


    def test_query(self):
        d = self.resolver.query(Query(b'EXAMPLE'))
        d.addCallback(lambda x: self.assertEqual(x[0][0].payload.dottedQuad(),
                                                 '1.1.1.1'))
        return d


    def test_lookupAddressNotFound(self):
        """
        L{hosts.Resolver.lookupAddress} returns a L{Deferred} which fires with
        L{dns.DomainError} if the name passed in has no addresses in the hosts
        file.
        """
        return self.assertFailure(self.resolver.lookupAddress(b'foueoa'),
                                  DomainError)


    def test_lookupIPV6AddressNotFound(self):
        """
        Like L{test_lookupAddressNotFound}, but for
        L{hosts.Resolver.lookupIPV6Address}.
        """
        return self.assertFailure(self.resolver.lookupIPV6Address(b'foueoa'),
                                  DomainError)


    def test_lookupAllRecordsNotFound(self):
        """
        Like L{test_lookupAddressNotFound}, but for
        L{hosts.Resolver.lookupAllRecords}.
        """
        return self.assertFailure(self.resolver.lookupAllRecords(b'foueoa'),
                                  DomainError)
Example #4
0
class HostsTests(TestCase, GoodTempPathMixin):
    """
    Tests for the I{hosts(5)}-based L{twisted.names.hosts.Resolver}.
    """

    def setUp(self):
        f = self.path()
        f.setContent(
            b"""
1.1.1.1    EXAMPLE EXAMPLE.EXAMPLETHING
::2        mixed
1.1.1.2    MIXED
::1        ip6thingy
1.1.1.3    multiple
1.1.1.4    multiple
::3        ip6-multiple
::4        ip6-multiple
"""
        )
        self.ttl = 4200
        self.resolver = Resolver(f.path, self.ttl)

    def test_defaultPath(self):
        """
        The default hosts file used by L{Resolver} is I{/etc/hosts} if no value
        is given for the C{file} initializer parameter.
        """
        resolver = Resolver()
        self.assertEqual(b"/etc/hosts", resolver.file)

    def test_getHostByName(self):
        """
        L{hosts.Resolver.getHostByName} returns a L{Deferred} which fires with a
        string giving the address of the queried name as found in the resolver's
        hosts file.
        """
        data = [(b"EXAMPLE", "1.1.1.1"), (b"EXAMPLE.EXAMPLETHING", "1.1.1.1"), (b"MIXED", "1.1.1.2")]
        ds = [self.resolver.getHostByName(n).addCallback(self.assertEqual, ip) for n, ip in data]
        return gatherResults(ds)

    def test_lookupAddress(self):
        """
        L{hosts.Resolver.lookupAddress} returns a L{Deferred} which fires with A
        records from the hosts file.
        """
        d = self.resolver.lookupAddress(b"multiple")

        def resolved(results):
            answers, authority, additional = results
            self.assertEqual(
                (
                    RRHeader(b"multiple", A, IN, self.ttl, Record_A("1.1.1.3", self.ttl)),
                    RRHeader(b"multiple", A, IN, self.ttl, Record_A("1.1.1.4", self.ttl)),
                ),
                answers,
            )

        d.addCallback(resolved)
        return d

    def test_lookupIPV6Address(self):
        """
        L{hosts.Resolver.lookupIPV6Address} returns a L{Deferred} which fires
        with AAAA records from the hosts file.
        """
        d = self.resolver.lookupIPV6Address(b"ip6-multiple")

        def resolved(results):
            answers, authority, additional = results
            self.assertEqual(
                (
                    RRHeader(b"ip6-multiple", AAAA, IN, self.ttl, Record_AAAA("::3", self.ttl)),
                    RRHeader(b"ip6-multiple", AAAA, IN, self.ttl, Record_AAAA("::4", self.ttl)),
                ),
                answers,
            )

        d.addCallback(resolved)
        return d

    def test_lookupAllRecords(self):
        """
        L{hosts.Resolver.lookupAllRecords} returns a L{Deferred} which fires
        with A records from the hosts file.
        """
        d = self.resolver.lookupAllRecords(b"mixed")

        def resolved(results):
            answers, authority, additional = results
            self.assertEqual((RRHeader(b"mixed", A, IN, self.ttl, Record_A("1.1.1.2", self.ttl)),), answers)

        d.addCallback(resolved)
        return d

    def test_notImplemented(self):
        return self.assertFailure(self.resolver.lookupMailExchange(b"EXAMPLE"), NotImplementedError)

    def test_query(self):
        d = self.resolver.query(Query(b"EXAMPLE"))
        d.addCallback(lambda x: self.assertEqual(x[0][0].payload.dottedQuad(), "1.1.1.1"))
        return d

    def test_lookupAddressNotFound(self):
        """
        L{hosts.Resolver.lookupAddress} returns a L{Deferred} which fires with
        L{dns.DomainError} if the name passed in has no addresses in the hosts
        file.
        """
        return self.assertFailure(self.resolver.lookupAddress(b"foueoa"), DomainError)

    def test_lookupIPV6AddressNotFound(self):
        """
        Like L{test_lookupAddressNotFound}, but for
        L{hosts.Resolver.lookupIPV6Address}.
        """
        return self.assertFailure(self.resolver.lookupIPV6Address(b"foueoa"), DomainError)

    def test_lookupAllRecordsNotFound(self):
        """
        Like L{test_lookupAddressNotFound}, but for
        L{hosts.Resolver.lookupAllRecords}.
        """
        return self.assertFailure(self.resolver.lookupAllRecords(b"foueoa"), DomainError)
Example #5
0
class HostsTestCase(TestCase):
    """
    Tests for the I{hosts(5)}-based L{twisted.names.hosts.Resolver}.
    """
    def setUp(self):
        f = open('EtcHosts', 'w')
        f.write('''
1.1.1.1    EXAMPLE EXAMPLE.EXAMPLETHING
::2        mixed
1.1.1.2    MIXED
::1        ip6thingy
1.1.1.3    multiple
1.1.1.4    multiple
::3        ip6-multiple
::4        ip6-multiple
''')
        f.close()
        self.ttl = 4200
        self.resolver = Resolver('EtcHosts', self.ttl)

    def testGetHostByName(self):
        data = [
            ('EXAMPLE', '1.1.1.1'),
            ('EXAMPLE.EXAMPLETHING', '1.1.1.1'),
            ('MIXED', '1.1.1.2'),
        ]
        ds = [
            self.resolver.getHostByName(n).addCallback(self.assertEqual, ip)
            for n, ip in data
        ]
        return gatherResults(ds)

    def test_lookupAddress(self):
        """
        L{hosts.Resolver.lookupAddress} returns a L{Deferred} which fires with A
        records from the hosts file.
        """
        d = self.resolver.lookupAddress('multiple')

        def resolved((results, authority, additional)):
            self.assertEqual((RRHeader("multiple", A, IN, self.ttl,
                                       Record_A("1.1.1.3", self.ttl)),
                              RRHeader("multiple", A, IN, self.ttl,
                                       Record_A("1.1.1.4", self.ttl))),
                             results)

        d.addCallback(resolved)
        return d

    def test_lookupIPV6Address(self):
        """
        L{hosts.Resolver.lookupIPV6Address} returns a L{Deferred} which fires
        with AAAA records from the hosts file.
        """
        d = self.resolver.lookupIPV6Address('ip6-multiple')

        def resolved((results, authority, additional)):
            self.assertEqual((RRHeader("ip6-multiple", AAAA, IN, self.ttl,
                                       Record_AAAA("::3", self.ttl)),
                              RRHeader("ip6-multiple", AAAA, IN, self.ttl,
                                       Record_AAAA("::4", self.ttl))), results)

        d.addCallback(resolved)
        return d

    def test_lookupAllRecords(self):
        """
        L{hosts.Resolver.lookupAllRecords} returns a L{Deferred} which fires
        with A records from the hosts file.
        """
        d = self.resolver.lookupAllRecords('mixed')

        def resolved((results, authority, additional)):
            self.assertEqual((RRHeader("mixed", A, IN, self.ttl,
                                       Record_A("1.1.1.2", self.ttl)), ),
                             results)

        d.addCallback(resolved)
        return d

    def testNotImplemented(self):
        return self.assertFailure(self.resolver.lookupMailExchange('EXAMPLE'),
                                  NotImplementedError)

    def testQuery(self):
        d = self.resolver.query(Query('EXAMPLE'))
        d.addCallback(lambda x: self.assertEqual(x[0][0].payload.dottedQuad(),
                                                 '1.1.1.1'))
        return d

    def test_lookupAddressNotFound(self):
        """
        L{hosts.Resolver.lookupAddress} returns a L{Deferred} which fires with
        L{dns.DomainError} if the name passed in has no addresses in the hosts
        file.
        """
        return self.assertFailure(self.resolver.lookupAddress('foueoa'),
                                  DomainError)

    def test_lookupIPV6AddressNotFound(self):
        """
        Like L{test_lookupAddressNotFound}, but for
        L{hosts.Resolver.lookupIPV6Address}.
        """
        return self.assertFailure(self.resolver.lookupIPV6Address('foueoa'),
                                  DomainError)

    def test_lookupAllRecordsNotFound(self):
        """
        Like L{test_lookupAddressNotFound}, but for
        L{hosts.Resolver.lookupAllRecords}.
        """
        return self.assertFailure(self.resolver.lookupAllRecords('foueoa'),
                                  DomainError)