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tests.py
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tests.py
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#!/usr/bin/env python
import ipaddress
import os
import select
import socket
import sys
import unittest
import pycares
FIXTURES_PATH = os.path.realpath(os.path.join(os.path.dirname(__file__), 'fixtures'))
class DNSTest(unittest.TestCase):
def setUp(self):
self.channel = pycares.Channel(timeout=10.0, tries=1, servers=['8.8.8.8', '8.8.4.4'])
self.is_ci = os.environ.get('APPVEYOR') or os.environ.get('TRAVIS') or os.environ.get('GITHUB_ACTION')
def tearDown(self):
self.channel = None
def wait(self):
while True:
read_fds, write_fds = self.channel.getsock()
if not read_fds and not write_fds:
break
timeout = self.channel.timeout()
if timeout == 0.0:
self.channel.process_fd(pycares.ARES_SOCKET_BAD, pycares.ARES_SOCKET_BAD)
continue
rlist, wlist, xlist = select.select(read_fds, write_fds, [], timeout)
for fd in rlist:
self.channel.process_fd(fd, pycares.ARES_SOCKET_BAD)
for fd in wlist:
self.channel.process_fd(pycares.ARES_SOCKET_BAD, fd)
def assertNoError(self, errorno):
if errorno == pycares.errno.ARES_ETIMEOUT and self.is_ci:
raise unittest.SkipTest('timeout')
self.assertEqual(errorno, None)
@unittest.skipIf(sys.platform == 'win32', 'skipped on Windows')
def test_getaddrinfo(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.getaddrinfo('localhost', 80, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_addrinfo_result)
self.assertTrue(len(self.result.nodes) > 0)
for node in self.result.nodes:
self.assertEqual(node.addr[1], 80)
@unittest.skipIf(sys.platform == 'win32', 'skipped on Windows')
def test_getaddrinfo2(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.getaddrinfo('localhost', 'http', cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_addrinfo_result)
self.assertTrue(len(self.result.nodes) > 0)
for node in self.result.nodes:
self.assertEqual(node.addr[1], 80)
@unittest.skipIf(sys.platform == 'win32', 'skipped on Windows')
def test_getaddrinfo3(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.getaddrinfo('localhost', None, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_addrinfo_result)
self.assertTrue(len(self.result.nodes) > 0)
for node in self.result.nodes:
self.assertEqual(node.addr[1], 0)
@unittest.skipIf(sys.platform == 'win32', 'skipped on Windows')
def test_getaddrinfo4(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.getaddrinfo('localhost', 'http', cb, family=socket.AF_INET)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_addrinfo_result)
self.assertEqual(len(self.result.nodes), 1)
node = self.result.nodes[0]
self.assertEqual(node.addr[0], b'127.0.0.1')
self.assertEqual(node.addr[1], 80)
def test_getaddrinfo5(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.getaddrinfo('google.com', 'http', cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_addrinfo_result)
self.assertTrue(len(self.result.nodes) > 0)
@unittest.skipIf(sys.platform == 'win32', 'skipped on Windows')
def test_gethostbyaddr(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.gethostbyaddr('127.0.0.1', cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_host_result)
@unittest.skipIf(sys.platform == 'win32', 'skipped on Windows')
def test_gethostbyaddr6(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.gethostbyaddr('::1', cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_host_result)
@unittest.skipIf(sys.platform == 'win32', 'skipped on Windows')
def test_gethostbyname(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.gethostbyname('localhost', socket.AF_INET, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_host_result)
@unittest.skipIf(sys.platform == 'win32', 'skipped on Windows')
def test_gethostbyname_small_timeout(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel = pycares.Channel(timeout=0.5, tries=1)
self.channel.gethostbyname('localhost', socket.AF_INET, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_host_result)
@unittest.skipIf(sys.platform == 'win32', 'skipped on Windows')
def test_getnameinfo(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.getnameinfo(('127.0.0.1', 80), pycares.ARES_NI_LOOKUPHOST|pycares.ARES_NI_LOOKUPSERVICE, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_nameinfo_result)
self.assertIn(self.result.node, ('localhost.localdomain', 'localhost'))
self.assertEqual(self.result.service, 'http')
@unittest.skipIf(sys.platform == 'win32', 'skipped on Windows')
@unittest.expectedFailure # c-ares is broken (does not return numeric service if asked) and unconditionally adds zero scope
def test_getnameinfo_ipv6(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.getnameinfo(('fd01:dec0:0:1::2020', 80, 0, 0), pycares.ARES_NI_NUMERICHOST|pycares.ARES_NI_NUMERICSERV, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_nameinfo_result)
self.assertEqual(self.result.node, 'fd01:dec0:0:1::2020')
self.assertEqual(self.result.service, '80')
@unittest.skipIf(sys.platform == 'win32', 'skipped on Windows')
@unittest.expectedFailure # c-ares is broken (does not return numeric service if asked)
def test_getnameinfo_ipv6_ll(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.getnameinfo(('fe80::5abd:fee7:4177:60c0', 80, 0, 666), pycares.ARES_NI_NUMERICHOST|pycares.ARES_NI_NUMERICSERV|pycares.ARES_NI_NUMERICSCOPE, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_nameinfo_result)
self.assertEqual(self.result.node, 'fe80::5abd:fee7:4177:60c0%666')
self.assertEqual(self.result.service, '80')
def test_query_a(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('google.com', pycares.QUERY_TYPE_A, cb)
self.wait()
self.assertNoError(self.errorno)
for r in self.result:
self.assertEqual(type(r), pycares.ares_query_a_result)
self.assertNotEqual(r.host, None)
def test_query_a_bad(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('hgf8g2od29hdohid.com', pycares.QUERY_TYPE_A, cb)
self.wait()
self.assertEqual(self.result, None)
self.assertEqual(self.errorno, pycares.errno.ARES_ENOTFOUND)
def test_query_a_rotate(self):
self.result, self.errorno = None, None
self.errorno_count, self.count = 0, 0
def cb(result, errorno):
self.result, self.errorno = result, errorno
if errorno:
self.errorno_count += 1
self.count += 1
self.channel = pycares.Channel(timeout=1.0, tries=1, rotate=True)
self.channel.query('google.com', pycares.QUERY_TYPE_A, cb)
self.channel.query('google.com', pycares.QUERY_TYPE_A, cb)
self.channel.query('google.com', pycares.QUERY_TYPE_A, cb)
self.wait()
self.assertEqual(self.count, 3)
self.assertEqual(self.errorno_count, 0)
def test_query_aaaa(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('ipv6.google.com', pycares.QUERY_TYPE_AAAA, cb)
self.wait()
self.assertNoError(self.errorno)
for r in self.result:
self.assertEqual(type(r), pycares.ares_query_aaaa_result)
self.assertNotEqual(r.host, None)
def test_query_caa(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('wikipedia.org', pycares.QUERY_TYPE_CAA, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertTrue(len(self.result) > 0)
for r in self.result:
self.assertEqual(type(r), pycares.ares_query_caa_result)
def test_query_cname(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('www.amazon.com', pycares.QUERY_TYPE_CNAME, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_query_cname_result)
def test_query_mx(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('google.com', pycares.QUERY_TYPE_MX, cb)
self.wait()
self.assertNoError(self.errorno)
for r in self.result:
self.assertEqual(type(r), pycares.ares_query_mx_result)
def test_query_ns(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('google.com', pycares.QUERY_TYPE_NS, cb)
self.wait()
self.assertNoError(self.errorno)
for r in self.result:
self.assertEqual(type(r), pycares.ares_query_ns_result)
def test_query_txt(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('google.com', pycares.QUERY_TYPE_TXT, cb)
self.wait()
self.assertNoError(self.errorno)
for r in self.result:
self.assertEqual(type(r), pycares.ares_query_txt_result)
def test_query_txt_chunked(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('jobscoutdaily.com', pycares.QUERY_TYPE_TXT, cb)
self.wait()
self.assertNoError(self.errorno)
# If the chunks are aggregated, only one TXT record should be visible. Three would show if they are not properly merged.
# jobscoutdaily.com. 21600 IN TXT "v=spf1 " "include:emailcampaigns.net include:spf.dynect.net include:ccsend.com include:_spf.elasticemail.com ip4:67.200.116.86 ip4:67.200.116.90 ip4:67.200.116.97 ip4:67.200.116.111 ip4:74.199.198.2 " " ~all"
self.assertEqual(len(self.result), 1)
self.assertEqual(self.result[0].text, 'v=spf1 include:emailcampaigns.net include:spf.dynect.net include:ccsend.com include:_spf.elasticemail.com ip4:67.200.116.86 ip4:67.200.116.90 ip4:67.200.116.97 ip4:67.200.116.111 ip4:74.199.198.2 ~all')
def test_query_txt_multiple_chunked(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('google.com', pycares.QUERY_TYPE_TXT, cb)
self.wait()
self.assertNoError(self.errorno)
# > dig -t txt google.com
# google.com. 3270 IN TXT "google-site-verification=TV9-DBe4R80X4v0M4U_bd_J9cpOJM0nikft0jAgjmsQ"
# google.com. 3270 IN TXT "atlassian-domain-verification=5YjTmWmjI92ewqkx2oXmBaD60Td9zWon9r6eakvHX6B77zzkFQto8PQ9QsKnbf4I"
# google.com. 3270 IN TXT "docusign=05958488-4752-4ef2-95eb-aa7ba8a3bd0e"
# google.com. 3270 IN TXT "facebook-domain-verification=22rm551cu4k0ab0bxsw536tlds4h95"
# google.com. 3270 IN TXT "google-site-verification=wD8N7i1JTNTkezJ49swvWW48f8_9xveREV4oB-0Hf5o"
# google.com. 3270 IN TXT "apple-domain-verification=30afIBcvSuDV2PLX"
# google.com. 3270 IN TXT "webexdomainverification.8YX6G=6e6922db-e3e6-4a36-904e-a805c28087fa"
# google.com. 3270 IN TXT "MS=E4A68B9AB2BB9670BCE15412F62916164C0B20BB"
# google.com. 3270 IN TXT "v=spf1 include:_spf.google.com ~all"
# google.com. 3270 IN TXT "globalsign-smime-dv=CDYX+XFHUw2wml6/Gb8+59BsH31KzUr6c1l2BPvqKX8="
# google.com. 3270 IN TXT "docusign=1b0a6754-49b1-4db5-8540-d2c12664b289"
self.assertEqual(len(self.result), 11)
def test_query_txt_bytes1(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('google.com', pycares.QUERY_TYPE_TXT, cb)
self.wait()
self.assertNoError(self.errorno)
for r in self.result:
self.assertEqual(type(r), pycares.ares_query_txt_result)
self.assertIsInstance(r.text, str) # it's ASCII
# The 2 tests below hit a dead end thus fail. Commenting for now as I couldn't find a live server
# that satisfies what the tests are looking for
# FIXME: wide.com.es is a dead end!
@unittest.expectedFailure
def test_query_txt_bytes2(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('wide.com.es', pycares.QUERY_TYPE_TXT, cb)
self.wait()
self.assertNoError(self.errorno)
for r in self.result:
self.assertEqual(type(r), pycares.ares_query_txt_result)
self.assertIsInstance(r.text, bytes)
# FIXME: "txt-non-ascii.dns-test.hmnid.ru" is a dead end!
@unittest.expectedFailure
def test_query_txt_multiple_chunked_with_non_ascii_content(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('txt-non-ascii.dns-test.hmnid.ru', pycares.QUERY_TYPE_TXT, cb)
self.wait()
self.assertNoError(self.errorno)
# txt-non-ascii.dns-test.hmnid.ru. IN TXT "ascii string" "some\208misc\208stuff"
self.assertEqual(len(self.result), 1)
r = self.result[0]
self.assertEqual(type(r), pycares.ares_query_txt_result)
self.assertIsInstance(r.text, bytes)
def test_query_class_chaos(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.servers = ['199.7.83.42'] # l.root-servers.net
self.channel.query('id.server', pycares.QUERY_TYPE_TXT, cb, pycares.QUERY_CLASS_CHAOS)
self.wait()
self.assertNoError(self.errorno)
# id.server. 0 CH TXT "aa.de-ham.l.root"
self.assertEqual(len(self.result), 1)
r = self.result[0]
self.assertEqual(type(r), pycares.ares_query_txt_result)
self.assertIsInstance(r.text, str)
def test_query_class_invalid(self):
self.assertRaises(ValueError, self.channel.query, 'google.com', pycares.QUERY_TYPE_A, lambda *x: None, "INVALIDTYPE")
self.wait()
def test_query_soa(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('google.com', pycares.QUERY_TYPE_SOA, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_query_soa_result)
def test_query_srv(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('_xmpp-server._tcp.google.com', pycares.QUERY_TYPE_SRV, cb)
self.wait()
self.assertNoError(self.errorno)
for r in self.result:
self.assertEqual(type(r), pycares.ares_query_srv_result)
def test_query_naptr(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('sip2sip.info', pycares.QUERY_TYPE_NAPTR, cb)
self.wait()
self.assertNoError(self.errorno)
for r in self.result:
self.assertEqual(type(r), pycares.ares_query_naptr_result)
def test_query_ptr(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
ip = '8.8.8.8'
self.channel.query(ipaddress.ip_address(ip).reverse_pointer, pycares.QUERY_TYPE_PTR, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_query_ptr_result)
self.assertEqual(type(self.result.aliases), list)
def test_query_ptr_ipv6(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
ip = '2001:4860:4860::8888'
self.channel.query(ipaddress.ip_address(ip).reverse_pointer, pycares.QUERY_TYPE_PTR, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_query_ptr_result)
self.assertEqual(type(self.result.aliases), list)
@unittest.skip("ANY type does not work on Mac.")
def test_query_any(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('google.com', pycares.QUERY_TYPE_ANY, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertTrue(len(self.result) > 1)
def test_query_cancelled(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('google.com', pycares.QUERY_TYPE_NS, cb)
self.channel.cancel()
self.wait()
self.assertEqual(self.result, None)
self.assertEqual(self.errorno, pycares.errno.ARES_ECANCELLED)
def test_query_bad_type(self):
self.assertRaises(ValueError, self.channel.query, 'google.com', 667, lambda *x: None)
self.wait()
def test_query_timeout(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.servers = ['1.2.3.4']
self.channel.query('google.com', pycares.QUERY_TYPE_A, cb)
self.wait()
self.assertEqual(self.result, None)
self.assertEqual(self.errorno, pycares.errno.ARES_ETIMEOUT)
def test_query_onion(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('foo.onion', pycares.QUERY_TYPE_A, cb)
self.wait()
self.assertEqual(self.result, None)
self.assertEqual(self.errorno, pycares.errno.ARES_ENOTFOUND)
def test_channel_nameservers(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel = pycares.Channel(timeout=5.0, tries=1, servers=['8.8.8.8'])
self.channel.query('google.com', pycares.QUERY_TYPE_A, cb)
self.wait()
self.assertNoError(self.errorno)
def test_channel_nameservers2(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.servers = ['8.8.8.8']
self.channel.query('google.com', pycares.QUERY_TYPE_A, cb)
self.wait()
self.assertNoError(self.errorno)
def test_channel_nameservers3(self):
servers = ['8.8.8.8', '8.8.4.4']
self.channel.servers = servers
servers2 = self.channel.servers
self.assertEqual(servers, servers2)
def test_channel_local_ip(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel = pycares.Channel(timeout=5.0, tries=1, servers=['8.8.8.8'], local_ip='127.0.0.1')
self.channel.query('google.com', pycares.QUERY_TYPE_A, cb)
self.wait()
self.assertEqual(self.result, None)
self.assertEqual(self.errorno, pycares.errno.ARES_ECONNREFUSED)
def test_channel_local_ip2(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.servers = ['8.8.8.8']
self.channel.set_local_ip('127.0.0.1')
self.channel.query('google.com', pycares.QUERY_TYPE_A, cb)
self.wait()
self.assertEqual(self.result, None)
self.assertEqual(self.errorno, pycares.errno.ARES_ECONNREFUSED)
self.assertRaises(ValueError, self.channel.set_local_ip, 'an invalid ip')
def test_channel_timeout(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel = pycares.Channel(timeout=0.5, tries=1)
self.channel.gethostbyname('google.com', socket.AF_INET, cb)
timeout = self.channel.timeout()
self.assertTrue(timeout > 0.0)
self.channel.cancel()
self.wait()
self.assertEqual(self.result, None)
self.assertEqual(self.errorno, pycares.errno.ARES_ECANCELLED)
def test_import_errno(self):
from pycares.errno import ARES_SUCCESS
self.assertTrue(True)
# FIXME
@unittest.skip("The site used for this test no longer returns a non-ascii SOA.")
def test_result_not_ascii(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.query('ayesas.com', pycares.QUERY_TYPE_SOA, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_query_soa_result)
self.assertIsInstance(self.result.hostmaster, bytes) # it's not ASCII
def test_idna_encoding(self):
host = 'españa.icom.museum'
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
# try encoding it as utf-8
self.channel.gethostbyname(host.encode(), socket.AF_INET, cb)
self.wait()
self.assertNotEqual(self.errorno, None)
self.assertEqual(self.result, None)
# use it as is (it's IDNA encoded internally)
self.channel.gethostbyname(host, socket.AF_INET, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_host_result)
def test_idna_encoding_query_a(self):
host = 'españa.icom.museum'
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
# try encoding it as utf-8
self.channel.query(host.encode(), pycares.QUERY_TYPE_A, cb)
self.wait()
self.assertEqual(self.errorno, pycares.errno.ARES_ENOTFOUND)
self.assertEqual(self.result, None)
# use it as is (it's IDNA encoded internally)
self.channel.query(host, pycares.QUERY_TYPE_A, cb)
self.wait()
self.assertNoError(self.errorno)
for r in self.result:
self.assertEqual(type(r), pycares.ares_query_a_result)
self.assertNotEqual(r.host, None)
def test_idna2008_encoding(self):
try:
import idna
except ImportError:
raise unittest.SkipTest('idna module not installed')
host = 'straße.de'
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel.gethostbyname(host, socket.AF_INET, cb)
self.wait()
self.assertNoError(self.errorno)
self.assertEqual(type(self.result), pycares.ares_host_result)
self.assertTrue('81.169.145.78' in self.result.addresses)
@unittest.skipIf(sys.platform == 'win32', 'skipped on Windows')
def test_custom_resolvconf(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel = pycares.Channel(tries=1, timeout=2.0, resolvconf_path=os.path.join(FIXTURES_PATH, 'badresolv.conf'))
self.channel.query('google.com', pycares.QUERY_TYPE_A, cb)
self.wait()
self.assertEqual(self.result, None)
self.assertEqual(self.errorno, pycares.errno.ARES_ETIMEOUT)
def test_errorcode_dict(self):
for err in ('ARES_SUCCESS', 'ARES_ENODATA', 'ARES_ECANCELLED'):
val = getattr(pycares.errno, err)
self.assertEqual(pycares.errno.errorcode[val], err)
def test_search(self):
self.result, self.errorno = None, None
def cb(result, errorno):
self.result, self.errorno = result, errorno
self.channel = pycares.Channel(timeout=5.0, tries=1, domains=['google.com'])
self.channel.search('cloud', pycares.QUERY_TYPE_A, cb)
self.wait()
self.assertNoError(self.errorno)
for r in self.result:
self.assertEqual(type(r), pycares.ares_query_a_result)
self.assertNotEqual(r.host, None)
def test_lookup(self):
channel = pycares.Channel(
lookups="b",
timeout=1,
tries=1,
socket_receive_buffer_size=4096,
servers=["8.8.8.8", "8.8.4.4"],
tcp_port=53,
udp_port=53,
rotate=True,
)
def on_result(result, errorno):
self.result, self.errorno = result, errorno
for domain in [
"google.com",
"microsoft.com",
"apple.com",
"amazon.com",
"baidu.com",
"alipay.com",
"tencent.com",
]:
self.result, self.errorno = None, None
self.channel.query(domain, pycares.QUERY_TYPE_A, on_result)
self.wait()
self.assertNoError(self.errorno)
self.assertTrue(self.result is not None and len(self.result) > 0)
for r in self.result:
self.assertEqual(type(r), pycares.ares_query_a_result)
self.assertNotEqual(r.host, None)
self.assertTrue(r.type == 'A')
def test_strerror_str(self):
for key in pycares.errno.errorcode:
self.assertTrue(type(pycares.errno.strerror(key)), str)
if __name__ == '__main__':
unittest.main(verbosity=2)