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Diffstat (limited to 'tests/http/test_fedclient.py')
-rw-r--r--tests/http/test_fedclient.py100
1 files changed, 85 insertions, 15 deletions
diff --git a/tests/http/test_fedclient.py b/tests/http/test_fedclient.py
index fff4f0cbf4..5604af3795 100644
--- a/tests/http/test_fedclient.py
+++ b/tests/http/test_fedclient.py
@@ -16,6 +16,7 @@
 from mock import Mock
 
 from netaddr import IPSet
+from parameterized import parameterized
 
 from twisted.internet import defer
 from twisted.internet.defer import TimeoutError
@@ -58,7 +59,9 @@ class FederationClientTests(HomeserverTestCase):
         @defer.inlineCallbacks
         def do_request():
             with LoggingContext("one") as context:
-                fetch_d = self.cl.get_json("testserv:8008", "foo/bar")
+                fetch_d = defer.ensureDeferred(
+                    self.cl.get_json("testserv:8008", "foo/bar")
+                )
 
                 # Nothing happened yet
                 self.assertNoResult(fetch_d)
@@ -120,7 +123,9 @@ class FederationClientTests(HomeserverTestCase):
         """
         If the DNS lookup returns an error, it will bubble up.
         """
-        d = self.cl.get_json("testserv2:8008", "foo/bar", timeout=10000)
+        d = defer.ensureDeferred(
+            self.cl.get_json("testserv2:8008", "foo/bar", timeout=10000)
+        )
         self.pump()
 
         f = self.failureResultOf(d)
@@ -128,7 +133,9 @@ class FederationClientTests(HomeserverTestCase):
         self.assertIsInstance(f.value.inner_exception, DNSLookupError)
 
     def test_client_connection_refused(self):
-        d = self.cl.get_json("testserv:8008", "foo/bar", timeout=10000)
+        d = defer.ensureDeferred(
+            self.cl.get_json("testserv:8008", "foo/bar", timeout=10000)
+        )
 
         self.pump()
 
@@ -154,7 +161,9 @@ class FederationClientTests(HomeserverTestCase):
         If the HTTP request is not connected and is timed out, it'll give a
         ConnectingCancelledError or TimeoutError.
         """
-        d = self.cl.get_json("testserv:8008", "foo/bar", timeout=10000)
+        d = defer.ensureDeferred(
+            self.cl.get_json("testserv:8008", "foo/bar", timeout=10000)
+        )
 
         self.pump()
 
@@ -184,7 +193,9 @@ class FederationClientTests(HomeserverTestCase):
         If the HTTP request is connected, but gets no response before being
         timed out, it'll give a ResponseNeverReceived.
         """
-        d = self.cl.get_json("testserv:8008", "foo/bar", timeout=10000)
+        d = defer.ensureDeferred(
+            self.cl.get_json("testserv:8008", "foo/bar", timeout=10000)
+        )
 
         self.pump()
 
@@ -226,7 +237,7 @@ class FederationClientTests(HomeserverTestCase):
         # Try making a GET request to a blacklisted IPv4 address
         # ------------------------------------------------------
         # Make the request
-        d = cl.get_json("internal:8008", "foo/bar", timeout=10000)
+        d = defer.ensureDeferred(cl.get_json("internal:8008", "foo/bar", timeout=10000))
 
         # Nothing happened yet
         self.assertNoResult(d)
@@ -244,7 +255,9 @@ class FederationClientTests(HomeserverTestCase):
         # Try making a POST request to a blacklisted IPv6 address
         # -------------------------------------------------------
         # Make the request
-        d = cl.post_json("internalv6:8008", "foo/bar", timeout=10000)
+        d = defer.ensureDeferred(
+            cl.post_json("internalv6:8008", "foo/bar", timeout=10000)
+        )
 
         # Nothing has happened yet
         self.assertNoResult(d)
@@ -263,7 +276,7 @@ class FederationClientTests(HomeserverTestCase):
         # Try making a GET request to a non-blacklisted IPv4 address
         # ----------------------------------------------------------
         # Make the request
-        d = cl.post_json("fine:8008", "foo/bar", timeout=10000)
+        d = defer.ensureDeferred(cl.post_json("fine:8008", "foo/bar", timeout=10000))
 
         # Nothing has happened yet
         self.assertNoResult(d)
@@ -286,7 +299,7 @@ class FederationClientTests(HomeserverTestCase):
         request = MatrixFederationRequest(
             method="GET", destination="testserv:8008", path="foo/bar"
         )
-        d = self.cl._send_request(request, timeout=10000)
+        d = defer.ensureDeferred(self.cl._send_request(request, timeout=10000))
 
         self.pump()
 
@@ -310,7 +323,9 @@ class FederationClientTests(HomeserverTestCase):
         If the HTTP request is connected, but gets no response before being
         timed out, it'll give a ResponseNeverReceived.
         """
-        d = self.cl.post_json("testserv:8008", "foo/bar", timeout=10000)
+        d = defer.ensureDeferred(
+            self.cl.post_json("testserv:8008", "foo/bar", timeout=10000)
+        )
 
         self.pump()
 
@@ -342,7 +357,9 @@ class FederationClientTests(HomeserverTestCase):
         requiring a trailing slash. We need to retry the request with a
         trailing slash. Workaround for Synapse <= v0.99.3, explained in #3622.
         """
-        d = self.cl.get_json("testserv:8008", "foo/bar", try_trailing_slash_on_400=True)
+        d = defer.ensureDeferred(
+            self.cl.get_json("testserv:8008", "foo/bar", try_trailing_slash_on_400=True)
+        )
 
         # Send the request
         self.pump()
@@ -395,7 +412,9 @@ class FederationClientTests(HomeserverTestCase):
 
         See test_client_requires_trailing_slashes() for context.
         """
-        d = self.cl.get_json("testserv:8008", "foo/bar", try_trailing_slash_on_400=True)
+        d = defer.ensureDeferred(
+            self.cl.get_json("testserv:8008", "foo/bar", try_trailing_slash_on_400=True)
+        )
 
         # Send the request
         self.pump()
@@ -432,7 +451,11 @@ class FederationClientTests(HomeserverTestCase):
         self.failureResultOf(d)
 
     def test_client_sends_body(self):
-        self.cl.post_json("testserv:8008", "foo/bar", timeout=10000, data={"a": "b"})
+        defer.ensureDeferred(
+            self.cl.post_json(
+                "testserv:8008", "foo/bar", timeout=10000, data={"a": "b"}
+            )
+        )
 
         self.pump()
 
@@ -453,7 +476,7 @@ class FederationClientTests(HomeserverTestCase):
 
     def test_closes_connection(self):
         """Check that the client closes unused HTTP connections"""
-        d = self.cl.get_json("testserv:8008", "foo/bar")
+        d = defer.ensureDeferred(self.cl.get_json("testserv:8008", "foo/bar"))
 
         self.pump()
 
@@ -486,6 +509,53 @@ class FederationClientTests(HomeserverTestCase):
         self.assertFalse(conn.disconnecting)
 
         # wait for a while
-        self.pump(120)
+        self.reactor.advance(120)
 
         self.assertTrue(conn.disconnecting)
+
+    @parameterized.expand([(b"",), (b"foo",), (b'{"a": Infinity}',)])
+    def test_json_error(self, return_value):
+        """
+        Test what happens if invalid JSON is returned from the remote endpoint.
+        """
+
+        test_d = defer.ensureDeferred(self.cl.get_json("testserv:8008", "foo/bar"))
+
+        self.pump()
+
+        # Nothing happened yet
+        self.assertNoResult(test_d)
+
+        # Make sure treq is trying to connect
+        clients = self.reactor.tcpClients
+        self.assertEqual(len(clients), 1)
+        (host, port, factory, _timeout, _bindAddress) = clients[0]
+        self.assertEqual(host, "1.2.3.4")
+        self.assertEqual(port, 8008)
+
+        # complete the connection and wire it up to a fake transport
+        protocol = factory.buildProtocol(None)
+        transport = StringTransport()
+        protocol.makeConnection(transport)
+
+        # that should have made it send the request to the transport
+        self.assertRegex(transport.value(), b"^GET /foo/bar")
+        self.assertRegex(transport.value(), b"Host: testserv:8008")
+
+        # Deferred is still without a result
+        self.assertNoResult(test_d)
+
+        # Send it the HTTP response
+        protocol.dataReceived(
+            b"HTTP/1.1 200 OK\r\n"
+            b"Server: Fake\r\n"
+            b"Content-Type: application/json\r\n"
+            b"Content-Length: %i\r\n"
+            b"\r\n"
+            b"%s" % (len(return_value), return_value)
+        )
+
+        self.pump()
+
+        f = self.failureResultOf(test_d)
+        self.assertIsInstance(f.value, ValueError)