async def test_empty_request(loop):
cs = ClientStream(loop=loop,
cardinality=Cardinality.STREAM_UNARY,
send_type=DummyRequest,
recv_type=DummyReply)
async with cs.client_stream as stream:
await stream.send_request(end=True)
events = cs.client_conn.to_server_transport.events()
stream_ended = events[-1]
assert isinstance(stream_ended, StreamEnded)
stream_id = stream_ended.stream_id
cs.client_conn.server_h2c.send_headers(stream_id, [
(':status', '200'),
('content-type', 'application/grpc+proto'),
])
cs.client_conn.server_h2c.send_data(
stream_id,
grpc_encode(DummyReply(value='pong'), DummyReply),
)
cs.client_conn.server_h2c.send_headers(stream_id, [
('grpc-status', str(Status.OK.value)),
],
end_stream=True)
cs.client_conn.server_flush()
reply = await stream.recv_message()
assert reply == DummyReply(value='pong')
async def test_invalid_grpc_status_in_trailers(cs: ClientStream, grpc_status):
with pytest.raises(ErrorDetected):
async with cs.client_stream as stream:
await stream.send_request()
await stream.send_message(DummyRequest(value='ping'), end=True)
events = cs.client_conn.to_server_transport.events()
stream_id = events[-1].stream_id
cs.client_conn.server_h2c.send_headers(stream_id, [
(':status', '200'),
('content-type', 'application/grpc+proto'),
])
cs.client_conn.server_h2c.send_data(
stream_id,
grpc_encode(DummyReply(value='pong'), DummyReply),
)
cs.client_conn.server_h2c.send_headers(stream_id, [
('grpc-status', grpc_status),
],
end_stream=True)
cs.client_conn.server_flush()
await stream.recv_initial_metadata()
await stream.recv_message()
try:
await stream.recv_trailing_metadata()
except GRPCError as exc:
assert exc
assert exc.status == Status.UNKNOWN
assert exc.message == (
'Invalid grpc-status: {!r}'.format(grpc_status))
raise ErrorDetected()
async def test_no_end(loop):
cs = ClientStream(loop=loop,
send_type=DummyRequest,
recv_type=DummyReply,
cardinality=Cardinality.STREAM_UNARY)
with pytest.raises(ProtocolError) as exc:
async with cs.client_stream as stream:
await stream.send_request()
await stream.send_message(DummyRequest(value='ping')) # no end
events = cs.client_conn.to_server_transport.events()
stream_id = events[-1].stream_id
cs.client_conn.server_h2c.send_headers(
stream_id,
[(':status', '200'),
('content-type', 'application/grpc+proto')],
)
cs.client_conn.server_flush()
await stream.recv_initial_metadata()
cs.client_conn.server_h2c.send_data(
stream_id,
grpc_encode(DummyReply(value='pong'), DummyReply),
)
cs.client_conn.server_flush()
assert await stream.recv_message() == DummyReply(value='pong')
await stream.recv_trailing_metadata()
exc.match('Outgoing stream was not ended')
async def test_deadline_during_recv_trailing_metadata(loop):
cs = ClientStream(loop=loop,
timeout=0.01,
send_type=DummyRequest,
recv_type=DummyReply)
with pytest.raises(ErrorDetected):
with async_timeout.timeout(5) as safety_timeout:
async with cs.client_stream as stream:
await stream.send_message(DummyRequest(value='ping'), end=True)
events = cs.client_conn.to_server_transport.events()
stream_id = events[-1].stream_id
cs.client_conn.server_h2c.send_headers(
stream_id,
[(':status', '200'),
('content-type', 'application/grpc+proto')],
)
cs.client_conn.server_flush()
await stream.recv_initial_metadata()
cs.client_conn.server_h2c.send_data(
stream_id,
grpc_encode(DummyReply(value='pong'), DummyReply),
)
cs.client_conn.server_flush()
await stream.recv_message()
try:
await stream.recv_trailing_metadata()
except asyncio.TimeoutError:
if safety_timeout.expired:
raise
else:
raise ErrorDetected()
async def test_unary_unary(cs: ClientStream):
async with cs.client_stream as stream:
await stream.send_message(DummyRequest(value='ping'))
events = cs.client_conn.to_server_transport.events()
event = events[-1]
assert isinstance(event, StreamEnded)
stream_id = event.stream_id
cs.client_conn.server_h2c.send_headers(
stream_id,
[(':status', '200'), ('content-type', 'application/grpc+proto')],
)
cs.client_conn.server_h2c.send_data(
stream_id,
grpc_encode(DummyReply(value='pong'), DummyReply),
)
cs.client_conn.server_h2c.send_headers(
stream_id,
[('grpc-status', str(Status.OK.value))],
end_stream=True,
)
cs.client_conn.server_flush()
assert await stream.recv_message() == DummyReply(value='pong')
async def test_client_receive_json(loop):
cs = ClientStream(loop=loop, codec=JSONCodec())
async with cs.client_stream as stream:
await stream.send_request()
_, request_received = cs.client_conn.to_server_transport.events()
await stream.send_message({'value': 'ping'}, end=True)
content_type = dict(request_received.headers)['content-type']
assert content_type == 'application/grpc+json'
cs.client_conn.server_h2c.send_headers(
request_received.stream_id,
[
(':status', '200'),
('content-type', 'application/grpc+json'),
],
)
cs.client_conn.server_h2c.send_data(
request_received.stream_id,
grpc_encode({'value': 'pong'}, None, JSONCodec()),
)
cs.client_conn.server_h2c.send_headers(
request_received.stream_id,
[
('grpc-status', str(grpclib.const.Status.OK.value)),
],
end_stream=True,
)
cs.client_conn.server_flush()
reply = await stream.recv_message()
assert reply == {'value': 'pong'}
async def test_server_receive_invalid(loop):
handler = PingServiceHandler()
mapping = handler.__mapping__()
path = next(iter(mapping.keys()))
ss = ServerStream(loop=loop, codec=JSONCodec(), path=path,
content_type='application/grpc+invalid')
ss.server_conn.client_h2c.send_data(
ss.stream_id,
grpc_encode({'value': 'ping'}, None, JSONCodec()),
end_stream=True,
)
ss.server_conn.client_flush()
await grpclib.server.request_handler(
handler.__mapping__(),
ss.server_h2s,
ss.server_conn.server_proto.processor.handler.headers,
JSONCodec(),
_DispatchServerEvents(),
lambda: None,
)
response_received, _ = ss.server_conn.to_client_transport.events()
assert dict(response_received.headers)[':status'] == '415'
assert dict(response_received.headers)['grpc-status'] == '2'
assert dict(response_received.headers)['grpc-message'] == \
'Unacceptable content-type header'
async def test_server_receive_json(loop):
handler = PingServiceHandler()
mapping = handler.__mapping__()
path = next(iter(mapping.keys()))
ss = ServerStream(loop=loop, codec=JSONCodec(), path=path,
content_type='application/grpc+json')
ss.server_conn.client_h2c.send_data(
ss.stream_id,
grpc_encode({'value': 'ping'}, None, JSONCodec()),
end_stream=True,
)
ss.server_conn.client_flush()
await grpclib.server.request_handler(
handler.__mapping__(),
ss.server_h2s,
ss.server_conn.server_proto.processor.handler.headers,
JSONCodec(),
_DispatchServerEvents(),
lambda: None,
)
response_received, data_received, trailers_received, _ = \
ss.server_conn.to_client_transport.events()
assert dict(response_received.headers)[':status'] == '200'
assert dict(response_received.headers)['content-type'] == \
'application/grpc+json'
reply = grpc_decode(data_received.data, None, JSONCodec())
assert reply == {'value': 'pong'}
assert dict(trailers_received.headers)['grpc-status'] == '0'
async def test_client_receive_invalid(loop):
cs = ClientStream(loop=loop, codec=JSONCodec())
with pytest.raises(GRPCError) as exc:
async with cs.client_stream as stream:
await stream.send_request()
_, request_received = cs.client_conn.to_server_transport.events()
content_type = dict(request_received.headers)['content-type']
assert content_type == 'application/grpc+json'
cs.client_conn.server_h2c.send_headers(
request_received.stream_id,
[
(':status', '200'),
('content-type', 'application/grpc+proto'),
],
)
cs.client_conn.server_h2c.send_data(
request_received.stream_id,
grpc_encode({'value': 'pong'}, None, JSONCodec()),
)
cs.client_conn.server_h2c.send_headers(
request_received.stream_id,
[
('grpc-status', str(grpclib.const.Status.OK.value)),
],
end_stream=True,
)
cs.client_conn.server_flush()
await stream.recv_message()
exc.match(r"Invalid content-type: 'application/grpc\+proto'")
async def test_non_ok_grpc_status_in_trailers(cs: ClientStream, grpc_message):
with pytest.raises(ErrorDetected):
async with cs.client_stream as stream:
await stream.send_request()
events = cs.client_conn.to_server_transport.events()
stream_id = events[-1].stream_id
cs.client_conn.server_h2c.send_headers(stream_id, [
(':status', '200'),
('content-type', 'application/grpc+proto'),
])
cs.client_conn.server_h2c.send_data(
stream_id,
grpc_encode(DummyReply(value='pong'), DummyReply),
)
headers = [
('grpc-status', str(Status.DATA_LOSS.value)),
]
if grpc_message is not None:
headers.append(('grpc-message', grpc_message))
cs.client_conn.server_h2c.send_headers(stream_id,
headers,
end_stream=True)
cs.client_conn.server_flush()
await stream.recv_initial_metadata()
await stream.recv_message()
try:
await stream.recv_trailing_metadata()
except GRPCError as exc:
assert exc
assert exc.status == Status.DATA_LOSS
assert exc.message == grpc_message
raise ErrorDetected()
def send_response(stream_id):
client_conn.server_h2c.send_headers(
stream_id,
[
(':status', '200'),
('content-type', 'application/grpc+proto'),
],
)
client_conn.server_h2c.send_data(
stream_id,
grpc_encode(DummyReply(value='pong'), DummyReply),
)
client_conn.server_h2c.send_headers(
stream_id,
[
('grpc-status', str(Status.OK.value)),
],
end_stream=True,
)
client_conn.server_flush()
async def test_server_return_json(loop):
ss = ServerStream(loop=loop, codec=JSONCodec())
ss.server_conn.client_h2c.send_data(
ss.stream_id,
grpc_encode({'value': 'ping'}, None, JSONCodec()),
end_stream=True,
)
ss.server_conn.client_flush()
message = await ss.server_stream.recv_message()
assert message == {'value': 'ping'}
await ss.server_stream.send_initial_metadata()
response_received, = ss.server_conn.to_client_transport.events()
content_type = dict(response_received.headers)['content-type']
assert content_type == 'application/grpc+json'
await ss.server_stream.send_message({'value': 'pong'})
data_received, = ss.server_conn.to_client_transport.events()
reply = grpc_decode(data_received.data, None, JSONCodec())
assert reply == {'value': 'pong'}