diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/http/federation/test_matrix_federation_agent.py | 4 | ||||
| -rw-r--r-- | tests/http/test_client.py | 101 |
2 files changed, 103 insertions, 2 deletions
diff --git a/tests/http/federation/test_matrix_federation_agent.py b/tests/http/federation/test_matrix_federation_agent.py index 4e51839d0f..686012dd25 100644 --- a/tests/http/federation/test_matrix_federation_agent.py +++ b/tests/http/federation/test_matrix_federation_agent.py @@ -1095,7 +1095,7 @@ class MatrixFederationAgentTests(unittest.TestCase): # Expire both caches and repeat the request self.reactor.pump((10000.0,)) - # Repated the request, this time it should fail if the lookup fails. + # Repeat the request, this time it should fail if the lookup fails. fetch_d = defer.ensureDeferred( self.well_known_resolver.get_well_known(b"testserv") ) @@ -1130,7 +1130,7 @@ class MatrixFederationAgentTests(unittest.TestCase): content=b'{ "m.server": "' + (b"a" * WELL_KNOWN_MAX_SIZE) + b'" }', ) - # The result is sucessful, but disabled delegation. + # The result is successful, but disabled delegation. r = self.successResultOf(fetch_d) self.assertIsNone(r.delegated_server) diff --git a/tests/http/test_client.py b/tests/http/test_client.py new file mode 100644 index 0000000000..f17c122e93 --- /dev/null +++ b/tests/http/test_client.py @@ -0,0 +1,101 @@ +# Copyright 2021 The Matrix.org Foundation C.I.C. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from io import BytesIO + +from mock import Mock + +from twisted.python.failure import Failure +from twisted.web.client import ResponseDone + +from synapse.http.client import BodyExceededMaxSize, read_body_with_max_size + +from tests.unittest import TestCase + + +class ReadBodyWithMaxSizeTests(TestCase): + def setUp(self): + """Start reading the body, returns the response, result and proto""" + self.response = Mock() + self.result = BytesIO() + self.deferred = read_body_with_max_size(self.response, self.result, 6) + + # Fish the protocol out of the response. + self.protocol = self.response.deliverBody.call_args[0][0] + self.protocol.transport = Mock() + + def _cleanup_error(self): + """Ensure that the error in the Deferred is handled gracefully.""" + called = [False] + + def errback(f): + called[0] = True + + self.deferred.addErrback(errback) + self.assertTrue(called[0]) + + def test_no_error(self): + """A response that is NOT too large.""" + + # Start sending data. + self.protocol.dataReceived(b"12345") + # Close the connection. + self.protocol.connectionLost(Failure(ResponseDone())) + + self.assertEqual(self.result.getvalue(), b"12345") + self.assertEqual(self.deferred.result, 5) + + def test_too_large(self): + """A response which is too large raises an exception.""" + + # Start sending data. + self.protocol.dataReceived(b"1234567890") + # Close the connection. + self.protocol.connectionLost(Failure(ResponseDone())) + + self.assertEqual(self.result.getvalue(), b"1234567890") + self.assertIsInstance(self.deferred.result, Failure) + self.assertIsInstance(self.deferred.result.value, BodyExceededMaxSize) + self._cleanup_error() + + def test_multiple_packets(self): + """Data should be accummulated through mutliple packets.""" + + # Start sending data. + self.protocol.dataReceived(b"12") + self.protocol.dataReceived(b"34") + # Close the connection. + self.protocol.connectionLost(Failure(ResponseDone())) + + self.assertEqual(self.result.getvalue(), b"1234") + self.assertEqual(self.deferred.result, 4) + + def test_additional_data(self): + """A connection can receive data after being closed.""" + + # Start sending data. + self.protocol.dataReceived(b"1234567890") + self.assertIsInstance(self.deferred.result, Failure) + self.assertIsInstance(self.deferred.result.value, BodyExceededMaxSize) + self.protocol.transport.loseConnection.assert_called_once() + + # More data might have come in. + self.protocol.dataReceived(b"1234567890") + # Close the connection. + self.protocol.connectionLost(Failure(ResponseDone())) + + self.assertEqual(self.result.getvalue(), b"1234567890") + self.assertIsInstance(self.deferred.result, Failure) + self.assertIsInstance(self.deferred.result.value, BodyExceededMaxSize) + self._cleanup_error() |