forked from libp2p/go-libp2p-daemon
/
mock_daemon.go
146 lines (122 loc) · 3.06 KB
/
mock_daemon.go
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package test
import (
"net"
"testing"
"time"
ggio "github.com/gogo/protobuf/io"
"github.com/gogo/protobuf/proto"
"github.com/learning-at-home/go-libp2p-daemon/p2pclient"
pb "github.com/learning-at-home/go-libp2p-daemon/pb"
ma "github.com/multiformats/go-multiaddr"
manet "github.com/multiformats/go-multiaddr/net"
)
type mockDaemon struct {
clientMaddr ma.Multiaddr
listener manet.Listener
}
func newMockDaemon(t testing.TB, listenMaddr, clientMaddr ma.Multiaddr) *mockDaemon {
listener, err := manet.Listen(listenMaddr)
if err != nil {
t.Fatalf("listening on maddr in mock daemon: %s", err)
}
return &mockDaemon{
clientMaddr: clientMaddr,
listener: listener,
}
}
func (d *mockDaemon) Close() error {
return d.listener.Close()
}
const testTimeout = time.Second
type mockConn struct {
net.Conn
r ggio.ReadCloser
w ggio.WriteCloser
}
func (d *mockDaemon) ExpectConn(t testing.TB) *mockConn {
timeoutc := make(chan struct{}, 1)
go func() {
select {
case <-time.After(testTimeout):
d.Close()
t.Fatalf("timeout waiting for connection")
case <-timeoutc:
return
}
}()
conn, err := d.listener.Accept()
timeoutc <- struct{}{}
if err != nil {
t.Fatalf("accepting incoming connection: %s", err)
}
r := ggio.NewDelimitedReader(conn, p2pclient.MessageSizeMax)
w := ggio.NewDelimitedWriter(conn)
return &mockConn{
Conn: conn,
r: r,
w: w,
}
}
func (c *mockConn) ExpectRequestType(t testing.TB, typ pb.Request_Type) *pb.Request {
req := &pb.Request{}
if err := c.r.ReadMsg(req); err != nil {
t.Fatalf("reading message: %s", err)
}
if req.GetType() != typ {
t.Fatalf("request type %s did not match expected %s", req.GetType().String(), typ.String())
}
return req
}
func (c *mockConn) ExpectDHTRequestType(t testing.TB, typ pb.DHTRequest_Type) *pb.DHTRequest {
req := &pb.Request{}
if err := c.r.ReadMsg(req); err != nil {
t.Fatalf("reading message: %s", err)
}
if req.GetType() != pb.Request_DHT {
t.Fatalf("request type %s did not match expected %s", req.GetType().String(), typ.String())
}
if req.Dht == nil {
t.Fatal("dht request was not populated")
}
return req.Dht
}
func (c *mockConn) SendMessage(t testing.TB, mes proto.Message) {
err := c.w.WriteMsg(mes)
if err != nil {
t.Fatalf("sending message: %s", err)
}
}
func streamStart() *pb.Response {
return &pb.Response{
Type: pb.Response_OK.Enum(),
Dht: &pb.DHTResponse{
Type: pb.DHTResponse_BEGIN.Enum(),
},
}
}
func streamEnd() *pb.DHTResponse {
return &pb.DHTResponse{
Type: pb.DHTResponse_END.Enum(),
}
}
func wrapResponseStream(resps []*pb.DHTResponse) []proto.Message {
respStream := make([]proto.Message, len(resps)+2)
respStream[0] = streamStart()
i := 1
for _, resp := range resps {
respStream[i] = resp
i++
}
respStream[len(resps)+1] = streamEnd()
return respStream
}
func (c *mockConn) SendStreamAsync(t testing.TB, resps []*pb.DHTResponse) {
go func() {
messages := wrapResponseStream(resps)
for _, mes := range messages {
if err := c.w.WriteMsg(mes); err != nil {
t.Fatalf("writing stream: %s", err)
}
}
}()
}