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)
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,
)
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)
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)
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)