588 lines
12 KiB
Go
588 lines
12 KiB
Go
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package websocket
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import (
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"bytes"
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"fmt"
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"io"
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"log"
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"net"
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"net/http"
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"net/http/httptest"
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"net/url"
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"reflect"
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"runtime"
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"strings"
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"sync"
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"testing"
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"time"
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)
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var serverAddr string
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var once sync.Once
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func echoServer(ws *Conn) {
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defer ws.Close()
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io.Copy(ws, ws)
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}
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type Count struct {
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S string
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N int
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}
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func countServer(ws *Conn) {
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defer ws.Close()
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for {
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var count Count
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err := JSON.Receive(ws, &count)
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if err != nil {
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return
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}
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count.N++
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count.S = strings.Repeat(count.S, count.N)
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err = JSON.Send(ws, count)
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if err != nil {
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return
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}
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}
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}
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type testCtrlAndDataHandler struct {
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hybiFrameHandler
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}
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func (h *testCtrlAndDataHandler) WritePing(b []byte) (int, error) {
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h.hybiFrameHandler.conn.wio.Lock()
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defer h.hybiFrameHandler.conn.wio.Unlock()
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w, err := h.hybiFrameHandler.conn.frameWriterFactory.NewFrameWriter(PingFrame)
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if err != nil {
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return 0, err
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}
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n, err := w.Write(b)
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w.Close()
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return n, err
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}
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func ctrlAndDataServer(ws *Conn) {
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defer ws.Close()
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h := &testCtrlAndDataHandler{hybiFrameHandler: hybiFrameHandler{conn: ws}}
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ws.frameHandler = h
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go func() {
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for i := 0; ; i++ {
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var b []byte
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if i%2 != 0 { // with or without payload
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b = []byte(fmt.Sprintf("#%d-CONTROL-FRAME-FROM-SERVER", i))
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}
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if _, err := h.WritePing(b); err != nil {
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break
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}
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if _, err := h.WritePong(b); err != nil { // unsolicited pong
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break
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}
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time.Sleep(10 * time.Millisecond)
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}
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}()
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b := make([]byte, 128)
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for {
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n, err := ws.Read(b)
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if err != nil {
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break
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}
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if _, err := ws.Write(b[:n]); err != nil {
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break
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}
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}
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}
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func subProtocolHandshake(config *Config, req *http.Request) error {
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for _, proto := range config.Protocol {
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if proto == "chat" {
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config.Protocol = []string{proto}
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return nil
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}
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}
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return ErrBadWebSocketProtocol
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}
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func subProtoServer(ws *Conn) {
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for _, proto := range ws.Config().Protocol {
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io.WriteString(ws, proto)
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}
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}
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func startServer() {
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http.Handle("/echo", Handler(echoServer))
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http.Handle("/count", Handler(countServer))
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http.Handle("/ctrldata", Handler(ctrlAndDataServer))
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subproto := Server{
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Handshake: subProtocolHandshake,
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Handler: Handler(subProtoServer),
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}
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http.Handle("/subproto", subproto)
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server := httptest.NewServer(nil)
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serverAddr = server.Listener.Addr().String()
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log.Print("Test WebSocket server listening on ", serverAddr)
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}
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func newConfig(t *testing.T, path string) *Config {
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config, _ := NewConfig(fmt.Sprintf("ws://%s%s", serverAddr, path), "http://localhost")
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return config
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}
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func TestEcho(t *testing.T) {
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once.Do(startServer)
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// websocket.Dial()
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client, err := net.Dial("tcp", serverAddr)
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if err != nil {
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t.Fatal("dialing", err)
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}
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conn, err := NewClient(newConfig(t, "/echo"), client)
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if err != nil {
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t.Errorf("WebSocket handshake error: %v", err)
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return
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}
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msg := []byte("hello, world\n")
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if _, err := conn.Write(msg); err != nil {
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t.Errorf("Write: %v", err)
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}
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var actual_msg = make([]byte, 512)
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n, err := conn.Read(actual_msg)
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if err != nil {
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t.Errorf("Read: %v", err)
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}
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actual_msg = actual_msg[0:n]
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if !bytes.Equal(msg, actual_msg) {
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t.Errorf("Echo: expected %q got %q", msg, actual_msg)
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}
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conn.Close()
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}
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func TestAddr(t *testing.T) {
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once.Do(startServer)
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// websocket.Dial()
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client, err := net.Dial("tcp", serverAddr)
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if err != nil {
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t.Fatal("dialing", err)
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}
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conn, err := NewClient(newConfig(t, "/echo"), client)
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if err != nil {
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t.Errorf("WebSocket handshake error: %v", err)
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return
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}
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ra := conn.RemoteAddr().String()
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if !strings.HasPrefix(ra, "ws://") || !strings.HasSuffix(ra, "/echo") {
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t.Errorf("Bad remote addr: %v", ra)
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}
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la := conn.LocalAddr().String()
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if !strings.HasPrefix(la, "http://") {
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t.Errorf("Bad local addr: %v", la)
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}
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conn.Close()
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}
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func TestCount(t *testing.T) {
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once.Do(startServer)
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// websocket.Dial()
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client, err := net.Dial("tcp", serverAddr)
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if err != nil {
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t.Fatal("dialing", err)
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}
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conn, err := NewClient(newConfig(t, "/count"), client)
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if err != nil {
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t.Errorf("WebSocket handshake error: %v", err)
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return
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}
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var count Count
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count.S = "hello"
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if err := JSON.Send(conn, count); err != nil {
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t.Errorf("Write: %v", err)
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}
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if err := JSON.Receive(conn, &count); err != nil {
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t.Errorf("Read: %v", err)
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}
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if count.N != 1 {
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t.Errorf("count: expected %d got %d", 1, count.N)
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}
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if count.S != "hello" {
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t.Errorf("count: expected %q got %q", "hello", count.S)
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}
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if err := JSON.Send(conn, count); err != nil {
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t.Errorf("Write: %v", err)
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}
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if err := JSON.Receive(conn, &count); err != nil {
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t.Errorf("Read: %v", err)
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}
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if count.N != 2 {
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t.Errorf("count: expected %d got %d", 2, count.N)
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}
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if count.S != "hellohello" {
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t.Errorf("count: expected %q got %q", "hellohello", count.S)
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}
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conn.Close()
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}
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func TestWithQuery(t *testing.T) {
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once.Do(startServer)
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client, err := net.Dial("tcp", serverAddr)
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if err != nil {
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t.Fatal("dialing", err)
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}
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config := newConfig(t, "/echo")
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config.Location, err = url.ParseRequestURI(fmt.Sprintf("ws://%s/echo?q=v", serverAddr))
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if err != nil {
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t.Fatal("location url", err)
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}
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ws, err := NewClient(config, client)
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if err != nil {
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t.Errorf("WebSocket handshake: %v", err)
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return
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}
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ws.Close()
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}
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func testWithProtocol(t *testing.T, subproto []string) (string, error) {
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once.Do(startServer)
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client, err := net.Dial("tcp", serverAddr)
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if err != nil {
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t.Fatal("dialing", err)
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}
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config := newConfig(t, "/subproto")
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config.Protocol = subproto
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ws, err := NewClient(config, client)
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if err != nil {
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return "", err
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}
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msg := make([]byte, 16)
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n, err := ws.Read(msg)
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if err != nil {
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return "", err
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}
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ws.Close()
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return string(msg[:n]), nil
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}
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func TestWithProtocol(t *testing.T) {
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proto, err := testWithProtocol(t, []string{"chat"})
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if err != nil {
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t.Errorf("SubProto: unexpected error: %v", err)
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}
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if proto != "chat" {
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t.Errorf("SubProto: expected %q, got %q", "chat", proto)
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}
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}
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func TestWithTwoProtocol(t *testing.T) {
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proto, err := testWithProtocol(t, []string{"test", "chat"})
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if err != nil {
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t.Errorf("SubProto: unexpected error: %v", err)
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}
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if proto != "chat" {
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t.Errorf("SubProto: expected %q, got %q", "chat", proto)
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}
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}
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func TestWithBadProtocol(t *testing.T) {
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_, err := testWithProtocol(t, []string{"test"})
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if err != ErrBadStatus {
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t.Errorf("SubProto: expected %v, got %v", ErrBadStatus, err)
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}
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}
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func TestHTTP(t *testing.T) {
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once.Do(startServer)
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// If the client did not send a handshake that matches the protocol
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// specification, the server MUST return an HTTP response with an
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// appropriate error code (such as 400 Bad Request)
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resp, err := http.Get(fmt.Sprintf("http://%s/echo", serverAddr))
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if err != nil {
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t.Errorf("Get: error %#v", err)
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return
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}
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if resp == nil {
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t.Error("Get: resp is null")
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return
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}
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if resp.StatusCode != http.StatusBadRequest {
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t.Errorf("Get: expected %q got %q", http.StatusBadRequest, resp.StatusCode)
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}
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}
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func TestTrailingSpaces(t *testing.T) {
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// http://code.google.com/p/go/issues/detail?id=955
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// The last runs of this create keys with trailing spaces that should not be
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// generated by the client.
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once.Do(startServer)
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config := newConfig(t, "/echo")
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for i := 0; i < 30; i++ {
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// body
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ws, err := DialConfig(config)
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if err != nil {
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t.Errorf("Dial #%d failed: %v", i, err)
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break
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}
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ws.Close()
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}
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}
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func TestDialConfigBadVersion(t *testing.T) {
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once.Do(startServer)
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config := newConfig(t, "/echo")
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config.Version = 1234
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_, err := DialConfig(config)
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if dialerr, ok := err.(*DialError); ok {
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if dialerr.Err != ErrBadProtocolVersion {
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t.Errorf("dial expected err %q but got %q", ErrBadProtocolVersion, dialerr.Err)
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}
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}
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}
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func TestSmallBuffer(t *testing.T) {
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// http://code.google.com/p/go/issues/detail?id=1145
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// Read should be able to handle reading a fragment of a frame.
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once.Do(startServer)
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// websocket.Dial()
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client, err := net.Dial("tcp", serverAddr)
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if err != nil {
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t.Fatal("dialing", err)
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}
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conn, err := NewClient(newConfig(t, "/echo"), client)
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if err != nil {
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t.Errorf("WebSocket handshake error: %v", err)
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return
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}
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msg := []byte("hello, world\n")
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if _, err := conn.Write(msg); err != nil {
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t.Errorf("Write: %v", err)
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}
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var small_msg = make([]byte, 8)
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n, err := conn.Read(small_msg)
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if err != nil {
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t.Errorf("Read: %v", err)
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}
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if !bytes.Equal(msg[:len(small_msg)], small_msg) {
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t.Errorf("Echo: expected %q got %q", msg[:len(small_msg)], small_msg)
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}
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var second_msg = make([]byte, len(msg))
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n, err = conn.Read(second_msg)
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if err != nil {
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t.Errorf("Read: %v", err)
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}
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second_msg = second_msg[0:n]
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if !bytes.Equal(msg[len(small_msg):], second_msg) {
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|
|
t.Errorf("Echo: expected %q got %q", msg[len(small_msg):], second_msg)
|
||
|
|
}
|
||
|
|
conn.Close()
|
||
|
|
}
|
||
|
|
|
||
|
|
var parseAuthorityTests = []struct {
|
||
|
|
in *url.URL
|
||
|
|
out string
|
||
|
|
}{
|
||
|
|
{
|
||
|
|
&url.URL{
|
||
|
|
Scheme: "ws",
|
||
|
|
Host: "www.google.com",
|
||
|
|
},
|
||
|
|
"www.google.com:80",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
&url.URL{
|
||
|
|
Scheme: "wss",
|
||
|
|
Host: "www.google.com",
|
||
|
|
},
|
||
|
|
"www.google.com:443",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
&url.URL{
|
||
|
|
Scheme: "ws",
|
||
|
|
Host: "www.google.com:80",
|
||
|
|
},
|
||
|
|
"www.google.com:80",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
&url.URL{
|
||
|
|
Scheme: "wss",
|
||
|
|
Host: "www.google.com:443",
|
||
|
|
},
|
||
|
|
"www.google.com:443",
|
||
|
|
},
|
||
|
|
// some invalid ones for parseAuthority. parseAuthority doesn't
|
||
|
|
// concern itself with the scheme unless it actually knows about it
|
||
|
|
{
|
||
|
|
&url.URL{
|
||
|
|
Scheme: "http",
|
||
|
|
Host: "www.google.com",
|
||
|
|
},
|
||
|
|
"www.google.com",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
&url.URL{
|
||
|
|
Scheme: "http",
|
||
|
|
Host: "www.google.com:80",
|
||
|
|
},
|
||
|
|
"www.google.com:80",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
&url.URL{
|
||
|
|
Scheme: "asdf",
|
||
|
|
Host: "127.0.0.1",
|
||
|
|
},
|
||
|
|
"127.0.0.1",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
&url.URL{
|
||
|
|
Scheme: "asdf",
|
||
|
|
Host: "www.google.com",
|
||
|
|
},
|
||
|
|
"www.google.com",
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestParseAuthority(t *testing.T) {
|
||
|
|
for _, tt := range parseAuthorityTests {
|
||
|
|
out := parseAuthority(tt.in)
|
||
|
|
if out != tt.out {
|
||
|
|
t.Errorf("got %v; want %v", out, tt.out)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
type closerConn struct {
|
||
|
|
net.Conn
|
||
|
|
closed int // count of the number of times Close was called
|
||
|
|
}
|
||
|
|
|
||
|
|
func (c *closerConn) Close() error {
|
||
|
|
c.closed++
|
||
|
|
return c.Conn.Close()
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestClose(t *testing.T) {
|
||
|
|
if runtime.GOOS == "plan9" {
|
||
|
|
t.Skip("see golang.org/issue/11454")
|
||
|
|
}
|
||
|
|
|
||
|
|
once.Do(startServer)
|
||
|
|
|
||
|
|
conn, err := net.Dial("tcp", serverAddr)
|
||
|
|
if err != nil {
|
||
|
|
t.Fatal("dialing", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
cc := closerConn{Conn: conn}
|
||
|
|
|
||
|
|
client, err := NewClient(newConfig(t, "/echo"), &cc)
|
||
|
|
if err != nil {
|
||
|
|
t.Fatalf("WebSocket handshake: %v", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
// set the deadline to ten minutes ago, which will have expired by the time
|
||
|
|
// client.Close sends the close status frame.
|
||
|
|
conn.SetDeadline(time.Now().Add(-10 * time.Minute))
|
||
|
|
|
||
|
|
if err := client.Close(); err == nil {
|
||
|
|
t.Errorf("ws.Close(): expected error, got %v", err)
|
||
|
|
}
|
||
|
|
if cc.closed < 1 {
|
||
|
|
t.Fatalf("ws.Close(): expected underlying ws.rwc.Close to be called > 0 times, got: %v", cc.closed)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var originTests = []struct {
|
||
|
|
req *http.Request
|
||
|
|
origin *url.URL
|
||
|
|
}{
|
||
|
|
{
|
||
|
|
req: &http.Request{
|
||
|
|
Header: http.Header{
|
||
|
|
"Origin": []string{"http://www.example.com"},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
origin: &url.URL{
|
||
|
|
Scheme: "http",
|
||
|
|
Host: "www.example.com",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
req: &http.Request{},
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestOrigin(t *testing.T) {
|
||
|
|
conf := newConfig(t, "/echo")
|
||
|
|
conf.Version = ProtocolVersionHybi13
|
||
|
|
for i, tt := range originTests {
|
||
|
|
origin, err := Origin(conf, tt.req)
|
||
|
|
if err != nil {
|
||
|
|
t.Error(err)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
if !reflect.DeepEqual(origin, tt.origin) {
|
||
|
|
t.Errorf("#%d: got origin %v; want %v", i, origin, tt.origin)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestCtrlAndData(t *testing.T) {
|
||
|
|
once.Do(startServer)
|
||
|
|
|
||
|
|
c, err := net.Dial("tcp", serverAddr)
|
||
|
|
if err != nil {
|
||
|
|
t.Fatal(err)
|
||
|
|
}
|
||
|
|
ws, err := NewClient(newConfig(t, "/ctrldata"), c)
|
||
|
|
if err != nil {
|
||
|
|
t.Fatal(err)
|
||
|
|
}
|
||
|
|
defer ws.Close()
|
||
|
|
|
||
|
|
h := &testCtrlAndDataHandler{hybiFrameHandler: hybiFrameHandler{conn: ws}}
|
||
|
|
ws.frameHandler = h
|
||
|
|
|
||
|
|
b := make([]byte, 128)
|
||
|
|
for i := 0; i < 2; i++ {
|
||
|
|
data := []byte(fmt.Sprintf("#%d-DATA-FRAME-FROM-CLIENT", i))
|
||
|
|
if _, err := ws.Write(data); err != nil {
|
||
|
|
t.Fatalf("#%d: %v", i, err)
|
||
|
|
}
|
||
|
|
var ctrl []byte
|
||
|
|
if i%2 != 0 { // with or without payload
|
||
|
|
ctrl = []byte(fmt.Sprintf("#%d-CONTROL-FRAME-FROM-CLIENT", i))
|
||
|
|
}
|
||
|
|
if _, err := h.WritePing(ctrl); err != nil {
|
||
|
|
t.Fatalf("#%d: %v", i, err)
|
||
|
|
}
|
||
|
|
n, err := ws.Read(b)
|
||
|
|
if err != nil {
|
||
|
|
t.Fatalf("#%d: %v", i, err)
|
||
|
|
}
|
||
|
|
if !bytes.Equal(b[:n], data) {
|
||
|
|
t.Fatalf("#%d: got %v; want %v", i, b[:n], data)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|