271 lines
6.6 KiB
Go
271 lines
6.6 KiB
Go
// 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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"bufio"
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"bytes"
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"fmt"
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"http"
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"http/httptest"
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"io"
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"log"
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"net"
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"sync"
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"testing"
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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) { io.Copy(ws, ws) }
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func startServer() {
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http.Handle("/echo", Handler(echoServer))
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http.Handle("/echoDraft75", Draft75Handler(echoServer))
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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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// Test the getChallengeResponse function with values from section
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// 5.1 of the specification steps 18, 26, and 43 from
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// http://www.whatwg.org/specs/web-socket-protocol/
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func TestChallenge(t *testing.T) {
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var part1 uint32 = 777007543
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var part2 uint32 = 114997259
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key3 := []byte{0x47, 0x30, 0x22, 0x2D, 0x5A, 0x3F, 0x47, 0x58}
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expected := []byte("0st3Rl&q-2ZU^weu")
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response, err := getChallengeResponse(part1, part2, key3)
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if err != nil {
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t.Errorf("getChallengeResponse: returned error %v", err)
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return
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}
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if !bytes.Equal(expected, response) {
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t.Errorf("getChallengeResponse: expected %q got %q", expected, response)
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}
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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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ws, err := newClient("/echo", "localhost", "http://localhost",
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"ws://localhost/echo", "", client, handshake)
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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 := ws.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 := ws.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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ws.Close()
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}
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func TestEchoDraft75(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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ws, err := newClient("/echoDraft75", "localhost", "http://localhost",
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"ws://localhost/echoDraft75", "", client, draft75handshake)
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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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msg := []byte("hello, world\n")
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if _, err := ws.Write(msg); err != nil {
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t.Errorf("Write: error %v", err)
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}
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var actual_msg = make([]byte, 512)
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n, err := ws.Read(actual_msg)
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if err != nil {
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t.Errorf("Read: error %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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ws.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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ws, err := newClient("/echo?q=v", "localhost", "http://localhost",
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"ws://localhost/echo?q=v", "", client, handshake)
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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) {
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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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ws, err := newClient("/echo", "localhost", "http://localhost",
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"ws://localhost/echo", "test", client, handshake)
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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 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 should abort the WebSocket connection.
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_, _, err := http.Get(fmt.Sprintf("http://%s/echo", serverAddr))
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if err == nil {
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t.Error("Get: unexpected success")
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return
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}
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urlerr, ok := err.(*http.URLError)
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if !ok {
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t.Errorf("Get: not URLError %#v", err)
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return
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}
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if urlerr.Error != io.ErrUnexpectedEOF {
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t.Errorf("Get: error %#v", err)
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return
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}
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}
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func TestHTTPDraft75(t *testing.T) {
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once.Do(startServer)
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r, _, err := http.Get(fmt.Sprintf("http://%s/echoDraft75", 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 r.StatusCode != http.StatusBadRequest {
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t.Errorf("Get: got status %d", r.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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for i := 0; i < 30; i++ {
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// body
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ws, err := Dial(fmt.Sprintf("ws://%s/echo", serverAddr), "", "http://localhost/")
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if err != nil {
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t.Error("Dial failed:", err.String())
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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 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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ws, err := newClient("/echo", "localhost", "http://localhost",
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"ws://localhost/echo", "", client, handshake)
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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 := ws.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 := ws.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 = ws.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)
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}
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ws.Close()
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}
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func testSkipLengthFrame(t *testing.T) {
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b := []byte{'\x80', '\x01', 'x', 0, 'h', 'e', 'l', 'l', 'o', '\xff'}
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buf := bytes.NewBuffer(b)
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br := bufio.NewReader(buf)
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bw := bufio.NewWriter(buf)
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ws := newConn("http://127.0.0.1/", "ws://127.0.0.1/", "", bufio.NewReadWriter(br, bw), nil)
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msg := make([]byte, 5)
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n, err := ws.Read(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(b[4:8], msg[0:n]) {
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t.Errorf("Read: expected %q got %q", msg[4:8], msg[0:n])
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}
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}
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func testSkipNoUTF8Frame(t *testing.T) {
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b := []byte{'\x01', 'n', '\xff', 0, 'h', 'e', 'l', 'l', 'o', '\xff'}
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buf := bytes.NewBuffer(b)
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br := bufio.NewReader(buf)
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bw := bufio.NewWriter(buf)
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ws := newConn("http://127.0.0.1/", "ws://127.0.0.1/", "", bufio.NewReadWriter(br, bw), nil)
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msg := make([]byte, 5)
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n, err := ws.Read(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(b[4:8], msg[0:n]) {
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t.Errorf("Read: expected %q got %q", msg[4:8], msg[0:n])
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}
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}
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