def test_get_resolver_returns_Resolver_instance(self):
if isinstance(network.get_resolver(), network.DummyResolver):
raise unittest.SkipTest("no /etc/resolv.conf")
self.assertIsInstance(
network.get_resolver(),
dns.resolver.Resolver,
)
def test_reconfigure_resolver(self):
with unittest.mock.patch("dns.resolver.Resolver") as Resolver:
network.reconfigure_resolver()
Resolver.assert_called_with()
self.assertEqual(network.get_resolver(), Resolver())
def test_get_resolver_is_thread_local(self):
with concurrent.futures.ThreadPoolExecutor() as executor:
fut = executor.submit(network.get_resolver)
done, waiting = concurrent.futures.wait([fut])
self.assertSetEqual(done, {fut})
i1 = fut.result()
i2 = network.get_resolver()
self.assertIsNot(i1, i2)
def test_get_resolver_is_not_dnspython_default_resolver(self):
try:
self.assertIsNot(
network.get_resolver(),
dns.resolver.get_default_resolver(),
)
except dns.resolver.NoResolverConfiguration:
# no /etc/resolv.conf, cannot run this test
raise unittest.SkipTest("no /etc/resolv.conf found")
def test_set_resolver(self):
network.set_resolver(unittest.mock.sentinel.resolver)
self.assertIs(
network.get_resolver(),
unittest.mock.sentinel.resolver,
)
def test_get_resolver_is_not_dnspython_default_resolver(self):
self.assertIsNot(
network.get_resolver(),
dns.resolver.get_default_resolver(),
)
def test_get_resolver_returns_consistent_Resolver_instance(self):
i1 = network.get_resolver()
i2 = network.get_resolver()
self.assertIs(i1, i2)
def test_get_resolver_returns_Resolver_instance(self):
self.assertIsInstance(
network.get_resolver(),
dns.resolver.Resolver,
)
