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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	26 B	-rw-r--r--
test_cache.py	5.45 KB	-rw-r--r--
test_client.py	40.53 KB	-rw-r--r--
test_common.py	4.03 KB	-rw-r--r--
test_dns.py	156.99 KB	-rw-r--r--
test_examples.py	5.2 KB	-rw-r--r--
test_hosts.py	9.67 KB	-rw-r--r--
test_names.py	47.84 KB	-rw-r--r--
test_resolve.py	1.05 KB	-rw-r--r--
test_rfc1982.py	13.51 KB	-rw-r--r--
test_rootresolve.py	25.05 KB	-rw-r--r--
test_server.py	40.69 KB	-rw-r--r--
test_srvconnect.py	9.2 KB	-rw-r--r--
test_tap.py	4.64 KB	-rw-r--r--
test_util.py	3.75 KB	-rw-r--r--

Code Editor : test_common.py

# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
Tests for L{twisted.names.common}.
"""

from zope.interface.verify import verifyClass

from twisted.internet.interfaces import IResolver
from twisted.names.common import ResolverBase
from twisted.names.dns import EFORMAT, ENAME, ENOTIMP, EREFUSED, ESERVER, Query
from twisted.names.error import (
    DNSFormatError,
    DNSNameError,
    DNSNotImplementedError,
    DNSQueryRefusedError,
    DNSServerError,
    DNSUnknownError,
)
from twisted.python.failure import Failure
from twisted.trial.unittest import SynchronousTestCase

class ExceptionForCodeTests(SynchronousTestCase):
    """
    Tests for L{ResolverBase.exceptionForCode}.
    """

def setUp(self):
        self.exceptionForCode = ResolverBase().exceptionForCode

def test_eformat(self):
        """
        L{ResolverBase.exceptionForCode} converts L{EFORMAT} to
        L{DNSFormatError}.
        """
        self.assertIs(self.exceptionForCode(EFORMAT), DNSFormatError)

def test_eserver(self):
        """
        L{ResolverBase.exceptionForCode} converts L{ESERVER} to
        L{DNSServerError}.
        """
        self.assertIs(self.exceptionForCode(ESERVER), DNSServerError)

def test_ename(self):
        """
        L{ResolverBase.exceptionForCode} converts L{ENAME} to L{DNSNameError}.
        """
        self.assertIs(self.exceptionForCode(ENAME), DNSNameError)

def test_enotimp(self):
        """
        L{ResolverBase.exceptionForCode} converts L{ENOTIMP} to
        L{DNSNotImplementedError}.
        """
        self.assertIs(self.exceptionForCode(ENOTIMP), DNSNotImplementedError)

def test_erefused(self):
        """
        L{ResolverBase.exceptionForCode} converts L{EREFUSED} to
        L{DNSQueryRefusedError}.
        """
        self.assertIs(self.exceptionForCode(EREFUSED), DNSQueryRefusedError)

def test_other(self):
        """
        L{ResolverBase.exceptionForCode} converts any other response code to
        L{DNSUnknownError}.
        """
        self.assertIs(self.exceptionForCode(object()), DNSUnknownError)

class QueryTests(SynchronousTestCase):
    """
    Tests for L{ResolverBase.query}.
    """

def test_resolverBaseProvidesIResolver(self):
        """
        L{ResolverBase} provides the L{IResolver} interface.
        """
        verifyClass(IResolver, ResolverBase)

def test_typeToMethodDispatch(self):
        """
        L{ResolverBase.query} looks up a method to invoke using the type of the
        query passed to it and the C{typeToMethod} mapping on itself.
        """
        results = []
        resolver = ResolverBase()
        resolver.typeToMethod = {
            12345: lambda query, timeout: results.append((query, timeout))
        }
        query = Query(name=b"example.com", type=12345)
        resolver.query(query, 123)
        self.assertEqual([(b"example.com", 123)], results)

def test_typeToMethodResult(self):
        """
        L{ResolverBase.query} returns a L{Deferred} which fires with the result
        of the method found in the C{typeToMethod} mapping for the type of the
        query passed to it.
        """
        expected = object()
        resolver = ResolverBase()
        resolver.typeToMethod = {54321: lambda query, timeout: expected}
        query = Query(name=b"example.com", type=54321)
        queryDeferred = resolver.query(query, 123)
        result = []
        queryDeferred.addBoth(result.append)
        self.assertEqual(expected, result[0])

def test_unknownQueryType(self):
        """
        L{ResolverBase.query} returns a L{Deferred} which fails with
        L{NotImplementedError} when called with a query of a type not present in
        its C{typeToMethod} dictionary.
        """
        resolver = ResolverBase()
        resolver.typeToMethod = {}
        query = Query(name=b"example.com", type=12345)
        queryDeferred = resolver.query(query, 123)
        result = []
        queryDeferred.addBoth(result.append)
        self.assertIsInstance(result[0], Failure)
        result[0].trap(NotImplementedError)

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Code Editor : test_common.py