consul/agent/grpc-middleware/testutil/testservice/fake_service.go

package testservice

import (
	"context"
	"time"
)

type Simple struct {
	Name string
	DC   string
}

func (s *Simple) Flow(_ *Req, flow Simple_FlowServer) error {
	for flow.Context().Err() == nil {
		resp := &Resp{ServerName: "one", Datacenter: s.DC}
		if err := flow.Send(resp); err != nil {
			return err
		}
		time.Sleep(time.Millisecond)
	}
	return nil
}

func (s *Simple) Something(_ context.Context, _ *Req) (*Resp, error) {
	return &Resp{ServerName: s.Name, Datacenter: s.DC}, nil
}

type SimplePanic struct {
	Name, DC string
}

func (s *SimplePanic) Flow(_ *Req, flow Simple_FlowServer) error {
	for flow.Context().Err() == nil {
		time.Sleep(time.Millisecond)
		panic("panic from Flow")
	}
	return nil
}

func (s *SimplePanic) Something(_ context.Context, _ *Req) (*Resp, error) {
	time.Sleep(time.Millisecond)
	panic("panic from Something")
}