/usr/share/gocode/src/code.google.com/p/go.net/websocket/websocket_test.go is in golang-go.net-dev 0.0~hg20131201-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package websocket
import (
"bytes"
"fmt"
"io"
"log"
"net"
"net/http"
"net/http/httptest"
"net/url"
"strings"
"sync"
"testing"
)
var serverAddr string
var once sync.Once
func echoServer(ws *Conn) { io.Copy(ws, ws) }
type Count struct {
S string
N int
}
func countServer(ws *Conn) {
for {
var count Count
err := JSON.Receive(ws, &count)
if err != nil {
return
}
count.N++
count.S = strings.Repeat(count.S, count.N)
err = JSON.Send(ws, count)
if err != nil {
return
}
}
}
func subProtocolHandshake(config *Config, req *http.Request) error {
for _, proto := range config.Protocol {
if proto == "chat" {
config.Protocol = []string{proto}
return nil
}
}
return ErrBadWebSocketProtocol
}
func subProtoServer(ws *Conn) {
for _, proto := range ws.Config().Protocol {
io.WriteString(ws, proto)
}
}
func startServer() {
http.Handle("/echo", Handler(echoServer))
http.Handle("/count", Handler(countServer))
subproto := Server{
Handshake: subProtocolHandshake,
Handler: Handler(subProtoServer),
}
http.Handle("/subproto", subproto)
server := httptest.NewServer(nil)
serverAddr = server.Listener.Addr().String()
log.Print("Test WebSocket server listening on ", serverAddr)
}
func newConfig(t *testing.T, path string) *Config {
config, _ := NewConfig(fmt.Sprintf("ws://%s%s", serverAddr, path), "http://localhost")
return config
}
func TestEcho(t *testing.T) {
once.Do(startServer)
// websocket.Dial()
client, err := net.Dial("tcp", serverAddr)
if err != nil {
t.Fatal("dialing", err)
}
conn, err := NewClient(newConfig(t, "/echo"), client)
if err != nil {
t.Errorf("WebSocket handshake error: %v", err)
return
}
msg := []byte("hello, world\n")
if _, err := conn.Write(msg); err != nil {
t.Errorf("Write: %v", err)
}
var actual_msg = make([]byte, 512)
n, err := conn.Read(actual_msg)
if err != nil {
t.Errorf("Read: %v", err)
}
actual_msg = actual_msg[0:n]
if !bytes.Equal(msg, actual_msg) {
t.Errorf("Echo: expected %q got %q", msg, actual_msg)
}
conn.Close()
}
func TestAddr(t *testing.T) {
once.Do(startServer)
// websocket.Dial()
client, err := net.Dial("tcp", serverAddr)
if err != nil {
t.Fatal("dialing", err)
}
conn, err := NewClient(newConfig(t, "/echo"), client)
if err != nil {
t.Errorf("WebSocket handshake error: %v", err)
return
}
ra := conn.RemoteAddr().String()
if !strings.HasPrefix(ra, "ws://") || !strings.HasSuffix(ra, "/echo") {
t.Errorf("Bad remote addr: %v", ra)
}
la := conn.LocalAddr().String()
if !strings.HasPrefix(la, "http://") {
t.Errorf("Bad local addr: %v", la)
}
conn.Close()
}
func TestCount(t *testing.T) {
once.Do(startServer)
// websocket.Dial()
client, err := net.Dial("tcp", serverAddr)
if err != nil {
t.Fatal("dialing", err)
}
conn, err := NewClient(newConfig(t, "/count"), client)
if err != nil {
t.Errorf("WebSocket handshake error: %v", err)
return
}
var count Count
count.S = "hello"
if err := JSON.Send(conn, count); err != nil {
t.Errorf("Write: %v", err)
}
if err := JSON.Receive(conn, &count); err != nil {
t.Errorf("Read: %v", err)
}
if count.N != 1 {
t.Errorf("count: expected %d got %d", 1, count.N)
}
if count.S != "hello" {
t.Errorf("count: expected %q got %q", "hello", count.S)
}
if err := JSON.Send(conn, count); err != nil {
t.Errorf("Write: %v", err)
}
if err := JSON.Receive(conn, &count); err != nil {
t.Errorf("Read: %v", err)
}
if count.N != 2 {
t.Errorf("count: expected %d got %d", 2, count.N)
}
if count.S != "hellohello" {
t.Errorf("count: expected %q got %q", "hellohello", count.S)
}
conn.Close()
}
func TestWithQuery(t *testing.T) {
once.Do(startServer)
client, err := net.Dial("tcp", serverAddr)
if err != nil {
t.Fatal("dialing", err)
}
config := newConfig(t, "/echo")
config.Location, err = url.ParseRequestURI(fmt.Sprintf("ws://%s/echo?q=v", serverAddr))
if err != nil {
t.Fatal("location url", err)
}
ws, err := NewClient(config, client)
if err != nil {
t.Errorf("WebSocket handshake: %v", err)
return
}
ws.Close()
}
func testWithProtocol(t *testing.T, subproto []string) (string, error) {
once.Do(startServer)
client, err := net.Dial("tcp", serverAddr)
if err != nil {
t.Fatal("dialing", err)
}
config := newConfig(t, "/subproto")
config.Protocol = subproto
ws, err := NewClient(config, client)
if err != nil {
return "", err
}
msg := make([]byte, 16)
n, err := ws.Read(msg)
if err != nil {
return "", err
}
ws.Close()
return string(msg[:n]), nil
}
func TestWithProtocol(t *testing.T) {
proto, err := testWithProtocol(t, []string{"chat"})
if err != nil {
t.Errorf("SubProto: unexpected error: %v", err)
}
if proto != "chat" {
t.Errorf("SubProto: expected %q, got %q", "chat", proto)
}
}
func TestWithTwoProtocol(t *testing.T) {
proto, err := testWithProtocol(t, []string{"test", "chat"})
if err != nil {
t.Errorf("SubProto: unexpected error: %v", err)
}
if proto != "chat" {
t.Errorf("SubProto: expected %q, got %q", "chat", proto)
}
}
func TestWithBadProtocol(t *testing.T) {
_, err := testWithProtocol(t, []string{"test"})
if err != ErrBadStatus {
t.Errorf("SubProto: expected %q, got %q", ErrBadStatus)
}
}
func TestHTTP(t *testing.T) {
once.Do(startServer)
// If the client did not send a handshake that matches the protocol
// specification, the server MUST return an HTTP response with an
// appropriate error code (such as 400 Bad Request)
resp, err := http.Get(fmt.Sprintf("http://%s/echo", serverAddr))
if err != nil {
t.Errorf("Get: error %#v", err)
return
}
if resp == nil {
t.Error("Get: resp is null")
return
}
if resp.StatusCode != http.StatusBadRequest {
t.Errorf("Get: expected %q got %q", http.StatusBadRequest, resp.StatusCode)
}
}
func TestTrailingSpaces(t *testing.T) {
// http://code.google.com/p/go/issues/detail?id=955
// The last runs of this create keys with trailing spaces that should not be
// generated by the client.
once.Do(startServer)
config := newConfig(t, "/echo")
for i := 0; i < 30; i++ {
// body
ws, err := DialConfig(config)
if err != nil {
t.Errorf("Dial #%d failed: %v", i, err)
break
}
ws.Close()
}
}
func TestDialConfigBadVersion(t *testing.T) {
once.Do(startServer)
config := newConfig(t, "/echo")
config.Version = 1234
_, err := DialConfig(config)
if dialerr, ok := err.(*DialError); ok {
if dialerr.Err != ErrBadProtocolVersion {
t.Errorf("dial expected err %q but got %q", ErrBadProtocolVersion, dialerr.Err)
}
}
}
func TestSmallBuffer(t *testing.T) {
// http://code.google.com/p/go/issues/detail?id=1145
// Read should be able to handle reading a fragment of a frame.
once.Do(startServer)
// websocket.Dial()
client, err := net.Dial("tcp", serverAddr)
if err != nil {
t.Fatal("dialing", err)
}
conn, err := NewClient(newConfig(t, "/echo"), client)
if err != nil {
t.Errorf("WebSocket handshake error: %v", err)
return
}
msg := []byte("hello, world\n")
if _, err := conn.Write(msg); err != nil {
t.Errorf("Write: %v", err)
}
var small_msg = make([]byte, 8)
n, err := conn.Read(small_msg)
if err != nil {
t.Errorf("Read: %v", err)
}
if !bytes.Equal(msg[:len(small_msg)], small_msg) {
t.Errorf("Echo: expected %q got %q", msg[:len(small_msg)], small_msg)
}
var second_msg = make([]byte, len(msg))
n, err = conn.Read(second_msg)
if err != nil {
t.Errorf("Read: %v", err)
}
second_msg = second_msg[0:n]
if !bytes.Equal(msg[len(small_msg):], second_msg) {
t.Errorf("Echo: expected %q got %q", msg[len(small_msg):], second_msg)
}
conn.Close()
}
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