def test_build_handler():
def call(treq, tres, tchan):
assert treq.transport.headers == {
'as': 'thrift', 'cn': 'test_caller'
}
tres.write_header('foo', 'baar')
return "world"
response_header = InMemStream()
response_body = InMemStream()
req = Request(
argstreams=[
InMemStream('hello'),
InMemStream('\00\00'), # no headers
InMemStream('\00'), # empty struct
],
scheme=ThriftArgScheme(FakeResult),
headers={'cn': 'test_caller', 'as': 'thrift'},
)
req.close_argstreams()
res = Response(
argstreams=[
InMemStream(),
response_header,
response_body,
],
scheme=ThriftArgScheme(FakeResult),
)
tchannel = mock.Mock()
handler = build_handler(FakeResult, call)
yield handler(req, res, tchannel)
serialized_headers = yield response_header.read()
assert serialized_headers == bytearray(
[
0x00, 0x01, # num headers = 1
0x00, 0x03, # strlen('foo') = 3
] + list('foo') + [
0x00, 0x04, # strlen('baar') = 4
] + list('baar')
)
serialized_body = yield response_body.read()
assert serialized_body == bytearray([
0x0b, # field type = TType.STRING
0x00, 0x00, # field ID = 0
0x00, 0x00, 0x00, 0x05, # string length = 5
] + list("world") + [
0x00, # end struct
])
assert 0 == res.status_code
def test_deprecated_build_handler():
def call(treq, tres):
assert treq.transport.headers == {
'as': 'thrift', 'cn': 'test_caller'
}
tres.write_header('foo', 'baar')
return "world"
response_header = InMemStream()
response_body = InMemStream()
req = Request(
argstreams=[
InMemStream('hello'),
InMemStream('\00\00'), # no headers
InMemStream('\00'), # empty struct
],
serializer=ThriftSerializer(FakeResult),
headers={'cn': 'test_caller', 'as': 'thrift'},
)
req.close_argstreams()
res = Response(
argstreams=[
InMemStream(),
response_header,
response_body,
],
serializer=ThriftSerializer(FakeResult),
)
handler = deprecated_build_handler(FakeResult, call)
yield handler(req, res)
serialized_headers = yield response_header.read()
assert serialized_headers == bytearray(
[
0x00, 0x01, # num headers = 1
0x00, 0x03, # strlen('foo') = 3
] + list('foo') + [
0x00, 0x04, # strlen('baar') = 4
] + list('baar')
)
serialized_body = yield response_body.read()
assert serialized_body == bytearray([
0x0b, # field type = TType.STRING
0x00, 0x00, # field ID = 0
0x00, 0x00, 0x00, 0x05, # string length = 5
] + list("world") + [
0x00, # end struct
])
assert 0 == res.status_code
def test_deprecated_build_handler_exception():
def call(treq, tres):
raise FakeException('fail')
response_body = mock.Mock(spec=InMemStream)
req = Request(
argstreams=[
InMemStream('hello'),
InMemStream('\00\00'), # no headers
InMemStream('\00'), # empty struct
],
serializer=ThriftSerializer(FakeResult),
)
req.close_argstreams()
res = Response(
argstreams=[
InMemStream(),
InMemStream(),
response_body,
],
serializer=ThriftSerializer(FakeResult),
)
handler = deprecated_build_handler(FakeResult, call)
yield handler(req, res)
response_body.write.assert_called_once_with(
bytearray([
0x0c, # field type = TType.STRUCT
0x00,
0x01, # field ID = 1
0x0b, # field type = TType.STRING
0x00,
0x01, # field ID = 1
0x00,
0x00,
0x00,
0x04, # string length = 5
] + list(b"fail") + [
0x00, # end exception struct
0x00, # end response struct
]))
assert 1 == res.status_code
def test_build_handler_application_exception():
def call(req):
raise FakeException('fail')
req = Request(
argstreams=[
InMemStream('hello'),
InMemStream('\00\00'), # no headers
InMemStream('\00'), # empty struct
],
serializer=ThriftSerializer(FakeResult),
)
req.close_argstreams()
handler = build_handler(FakeResult, call)
res = yield handler(req)
assert res.status == 1
def test_build_handler_application_exception():
def call(req):
raise FakeException('fail')
req = Request(
argstreams=[
InMemStream('hello'),
InMemStream('\00\00'), # no headers
InMemStream('\00'), # empty struct
],
serializer=ThriftSerializer(FakeResult),
)
req.close_argstreams()
handler = build_handler(FakeResult, call)
res = yield handler(req)
assert res.status == 1
def test_build_handler_exception():
def call(treq, tres, tchan):
raise FakeException('fail')
response_body = mock.Mock(spec=InMemStream)
req = Request(
argstreams=[
InMemStream('hello'),
InMemStream('\00\00'), # no headers
InMemStream('\00'), # empty struct
],
scheme=ThriftArgScheme(FakeResult),
)
req.close_argstreams()
res = Response(
argstreams=[
InMemStream(),
InMemStream(),
response_body,
],
scheme=ThriftArgScheme(FakeResult),
)
tchannel = mock.Mock()
handler = build_handler(FakeResult, call)
yield handler(req, res, tchannel)
response_body.write.assert_called_once_with(
bytearray([
0x0c, # field type = TType.STRUCT
0x00, 0x01, # field ID = 1
0x0b, # field type = TType.STRING
0x00, 0x01, # field ID = 1
0x00, 0x00, 0x00, 0x04, # string length = 5
] + list("fail") + [
0x00, # end exception struct
0x00, # end response struct
])
)
assert 1 == res.status_code
def test_loop_failure(tornado_pair):
server, client = tornado_pair
headers = dummy_headers()
# ... yeah
server.tchannel = mock.MagicMock()
server.tchannel.event_emitter.fire.return_value = gen.maybe_future(None)
client.tchannel = mock.MagicMock()
client.tchannel.event_emitter.fire.return_value = gen.maybe_future(None)
handshake_future = client.initiate_handshake(headers=headers)
yield server.expect_handshake(headers=headers)
yield handshake_future
assert client._handshake_performed
assert server._handshake_performed
# We'll put an invalid message into the reader queue. This should cause one
# iteration of the loop to fail but the system should continue working
# afterwards.
yield server.reader.queue.put(gen.maybe_future(42)) # not a message
id = client.writer.next_message_id()
response_future = client.send_request(
Request(
id=id,
service='server',
endpoint='bar',
headers={'cn': 'client'},
))
call_req = yield server. await ()
assert call_req.message_type == messages.Types.CALL_REQ
response = Response(id=id)
response.close_argstreams(force=True)
yield server.post_response(response)
yield response_future
assert client._handshake_performed
assert server._handshake_performed
client.close()
# The system needs a little time to recognize that the connections were
# closed.
yield gen.sleep(0.15)
assert client.closed
assert server.closed
def test_build_handler():
def call(treq, tres, tchan):
return "world"
response_body = mock.Mock(spec=InMemStream)
req = Request(
argstreams=[
InMemStream('hello'),
InMemStream('\00\00'), # no headers
InMemStream('\00'), # empty struct
],
scheme=ThriftArgScheme(FakeResult),
)
req.close_argstreams()
res = Response(
argstreams=[
InMemStream(),
InMemStream(),
response_body,
],
scheme=ThriftArgScheme(FakeResult),
)
tchannel = mock.Mock()
handler = build_handler(FakeResult, call)
yield handler(req, res, tchannel)
response_body.write.assert_called_once_with(
bytearray([
0x0b, # field type = TType.STRING
0x00, 0x00, # field ID = 0
0x00, 0x00, 0x00, 0x05, # string length = 5
] + list("world") + [
0x00, # end struct
])
)
assert 0 == res.status_code
def test_transport_metadata_creation():
request = Request(
id=42,
flags=FlagsType.fragment,
ttl=100,
service='some_service',
headers={'cn': 'another_service', 'as': 'thrift'}
)
meta = TransportMetadata.from_request(request)
assert 42 == meta.id
assert FlagsType.fragment == meta.flags
assert 100 == meta.ttl
assert 'some_service' == meta.service
assert {'cn': 'another_service', 'as': 'thrift'} == meta.headers
def test_writer_serialization_error():
server = TChannel('server')
server.listen()
conn = yield connection.StreamConnection.outgoing(
server.hostport, tchannel=mock.MagicMock())
with pytest.raises(AttributeError) as exc_info:
yield conn.send_request(
Request(
id=conn.writer.next_message_id(),
service='foo',
endpoint='bar',
headers={'cn': None},
))
assert "'NoneType' object has no attribute 'encode'" in str(exc_info)
def test_timeout_not_pending(tornado_pair):
server, client = tornado_pair
headers = dummy_headers()
server.tchannel = mock.MagicMock()
client.tchannel = mock.MagicMock()
handshake_future = client.initiate_handshake(headers=headers)
yield server.expect_handshake(headers=headers)
yield handshake_future
# Make a request that times out and ensure that a late response is
# discarded correctly.
id = client.writer.next_message_id()
response_future = client.send_request(
Request(
id=id,
service='server',
endpoint='bar',
headers={'cn': 'client'},
ttl=0.05,
))
assert id in client._outbound_pending_call
call_req = yield server. await ()
assert call_req.message_type == messages.Types.CALL_REQ
yield gen.sleep(0.1) # make the request time out
assert id in client._request_tombstones
assert id not in client._outbound_pending_call
# late response
yield server.write(
messages.ErrorMessage(
id=id,
code=messages.ErrorCode.unexpected,
description='great sadness',
))
with pytest.raises(TimeoutError):
yield response_future
