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Tests

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This commit is contained in:
Erik Johnston 2016-04-06 10:12:30 +01:00
parent f9d3665c88
commit 11860637e1
1 changed files with 30 additions and 3 deletions
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33
tests/test_dns.py
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@ -21,6 +21,8 @@ from mock import Mock
from synapse.http.endpoint import resolve_service
from tests.utils import MockClock
class DnsTestCase(unittest.TestCase):
@ -63,12 +65,37 @@ class DnsTestCase(unittest.TestCase):
self.assertEquals(servers[0].host, ip_address)
@defer.inlineCallbacks
def test_from_cache(self):
def test_from_cache_expired_and_dns_fail(self):
dns_client_mock = Mock()
dns_client_mock.lookupService.return_value = defer.fail(error.DNSServerError())
service_name = "test_service.examle.com"
entry = Mock(spec_set=["expires"])
entry.expires = 0
cache = {
service_name: [entry]
}
servers = yield resolve_service(
service_name, dns_client=dns_client_mock, cache=cache
)
dns_client_mock.lookupService.assert_called_once_with(service_name)
self.assertEquals(len(servers), 1)
self.assertEquals(servers, cache[service_name])
@defer.inlineCallbacks
def test_from_cache(self):
clock = MockClock()
dns_client_mock = Mock(spec_set=['lookupService'])
dns_client_mock.lookupService = Mock(spec_set=[])
service_name = "test_service.examle.com"
entry = Mock(spec_set=["expires"])
entry.expires = 999999999
@ -77,10 +104,10 @@ class DnsTestCase(unittest.TestCase):
}
servers = yield resolve_service(
service_name, dns_client=dns_client_mock, cache=cache
service_name, dns_client=dns_client_mock, cache=cache, clock=clock,
)
dns_client_mock.lookupService.assert_called_once_with(service_name)
self.assertFalse(dns_client_mock.lookupService.called)
self.assertEquals(len(servers), 1)
self.assertEquals(servers, cache[service_name])