func (suite *clientSuite) SetupSuite() { trans := suite.TransF() select { case <-trans.Ready(): case <-time.After(2 * time.Second): panic("transport not ready") } suite.trans = trans // Add a listener that responds blindly to all messages inboundChan := make(chan tmsg.Request, 10) trans.Listen(testServiceName, inboundChan) go func() { for { select { case _req := <-inboundChan: req := mercury.FromTyphonRequest(_req) switch req.Endpoint() { case "timeout": continue case "invalid-payload": // Wrong proto here rsp := req.Response(nil) rsp.SetPayload([]byte("†HÎß ßHøܬ∂ÑT ∑ø®K")) suite.Require().NoError(trans.Respond(req, rsp)) case "error": err := terrors.BadRequest("", "foo bar", nil) rsp := req.Response(terrors.Marshal(err)) rsp.SetHeaders(req.Headers()) rsp.SetIsError(true) suite.Require().NoError(trans.Respond(req, rsp)) case "bulls--t": rsp := req.Response(map[string]string{}) rsp.SetHeaders(req.Headers()) rsp.SetHeader(marshaling.ContentTypeHeader, "application/bulls--t") suite.Require().NoError(trans.Respond(req, rsp)) default: rsp := req.Response(&testproto.DummyResponse{ Pong: "Pong"}) rsp.SetHeaders(req.Headers()) suite.Require().NoError(tmsg.JSONMarshaler().MarshalBody(rsp)) suite.Require().NoError(trans.Respond(req, rsp)) } case <-trans.Tomb().Dying(): return } } }() }
// ErrorResponse constructs a response for the given request, with the given error as its contents. Mercury clients // know how to unmarshal these errors. func ErrorResponse(req mercury.Request, err error) mercury.Response { rsp := req.Response(nil) var terr *terrors.Error if err != nil { terr = terrors.Wrap(err, nil).(*terrors.Error) } rsp.SetBody(terrors.Marshal(terr)) if err := tmsg.JSONMarshaler().MarshalBody(rsp); err != nil { log.Error(req, "[Mercury:Server] Failed to marshal error response: %v", err) return nil // Not much we can do here } rsp.SetIsError(true) return rsp }