gopenfusion/internal/testutil/dummy.go
CPunch 1f63f9856e testutil: refactoring/organizing
split helpers.go into env.go && dummy.go
2024-03-03 13:11:37 -06:00

51 lines
1.2 KiB
Go

package testutil
import (
"context"
"fmt"
"net"
"github.com/CPunch/gopenfusion/cnet"
"github.com/CPunch/gopenfusion/cnet/protocol"
"github.com/matryer/is"
)
type DummyPeer struct {
Recv chan *cnet.PacketEvent
Peer *cnet.Peer
is *is.I
}
// MakeDummyPeer creates a new dummy peer and returns it
func MakeDummyPeer(ctx context.Context, is *is.I, port int) *DummyPeer {
conn, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%d", port))
is.NoErr(err)
recv := make(chan *cnet.PacketEvent)
peer := cnet.NewPeer(ctx, conn)
go func() {
peer.Handler(recv)
}()
return &DummyPeer{Recv: recv, Peer: peer, is: is}
}
// SendAndRecv sends a packet (sID & out), waits for the expected response (rID) and decodes it into in
func (dp *DummyPeer) SendAndRecv(sID, rID uint32, out, in interface{}) {
// send out packet
err := dp.Peer.Send(sID, out)
dp.is.NoErr(err) // peer.Send() should not return an error
// receive response
evnt := <-dp.Recv
defer protocol.PutBuffer(evnt.Pkt)
dp.is.Equal(evnt.PktID, rID) // should receive expected type
dp.is.NoErr(protocol.NewPacket(evnt.Pkt).Decode(in)) // packet.Decode() should not return an error
}
// Kill closes the peer's connection
func (dp *DummyPeer) Kill() {
dp.Peer.Kill()
}