Files
2026-08-18 17:28:44 +08:00

452 lines
14 KiB
Go

package main
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"net"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"strconv"
"strings"
"sync/atomic"
"testing"
"time"
"github.com/emiago/sipgo"
"github.com/emiago/sipgo/sip"
"github.com/gobwas/ws"
"github.com/gobwas/ws/wsutil"
)
func TestOfflineMediaAndSafety(t *testing.T) {
const testNumber = "138" + "0000" + "1234"
if err := validateNumber(testNumber); err != nil {
t.Fatal(err)
}
for _, number := range []string{"", "1380000123", "23800001234", "1380000123x"} {
if validateNumber(number) == nil {
t.Fatalf("accepted invalid number %q", number)
}
}
addr, pt, err := answerMedia([]byte("v=0\r\nc=IN IP4 192.0.2.10\r\nm=audio 40000 RTP/AVP 0 8\r\n"))
if err != nil || addr.String() != "192.0.2.10:40000" || pt != 8 {
t.Fatalf("answerMedia = %v, %d, %v", addr, pt, err)
}
payload := []byte{1, 2, 3}
packet := marshalRTP(8, 7, 160, 42, payload)
got, gotPT, ok := rtpPayload(packet)
if !ok || gotPT != 8 || !bytes.Equal(got, payload) {
t.Fatalf("rtpPayload = %v, %d, %v", got, gotPT, ok)
}
pcm := []int16{-2000, 0, 2000, 1000}
if got := bytesToPCM(pcmToBytes(pcm)); !equalPCM(got, pcm) {
t.Fatalf("PCM round trip = %v", got)
}
if got := resample(pcm, 8000, 16000); len(got) != 8 {
t.Fatalf("resampled length = %d", len(got))
}
dir := t.TempDir()
wav := filepath.Join(dir, "roundtrip.wav")
if err := writeWAV(wav, pcm, 8000); err != nil {
t.Fatal(err)
}
f, err := os.Open(wav)
if err != nil {
t.Fatal(err)
}
gotPCM, rate, err := readWAV(f)
f.Close()
if err != nil || rate != 8000 || !equalPCM(gotPCM, pcm) {
t.Fatalf("WAV round trip = %v, %d, %v", gotPCM, rate, err)
}
logPath := filepath.Join(dir, "sip.log")
log, err := newSignalLog(logPath, testNumber, caller)
if err != nil {
t.Fatal(err)
}
log.message(">>>", "INVITE sip:"+calleePrefix+testNumber+"@example.invalid From: "+caller)
log.Close()
content, err := os.ReadFile(logPath)
if err != nil {
t.Fatal(err)
}
text := string(content)
if strings.Contains(text, testNumber) || strings.Contains(text, caller) ||
!strings.Contains(text, "7089*******1234") || !strings.Contains(text, "BD****5882") {
t.Fatalf("unsafe redaction: %s", text)
}
}
func TestBailianTTSContract(t *testing.T) {
const key = "test-key-that-must-not-leak"
type command struct {
Raw []byte
Header struct {
TaskID string `json:"task_id"`
} `json:"header"`
}
serverErrors := make(chan error, 1)
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fail := func(format string, args ...any) {
select {
case serverErrors <- fmt.Errorf(format, args...):
default:
}
}
if r.URL.Path != "/api-ws/v1/inference" {
fail("path = %s", r.URL.Path)
}
if r.Header.Get("Authorization") != "Bearer "+key {
fail("missing bearer authorization")
}
conn, _, _, err := ws.UpgradeHTTP(r, w)
if err != nil {
fail("upgrade: %v", err)
return
}
defer conn.Close()
read := func() command {
var got command
data, op, err := wsutil.ReadClientData(conn)
if err != nil {
fail("read command: %v", err)
return got
}
if op != ws.OpText {
fail("command opcode = %v", op)
}
if err := json.Unmarshal(data, &got); err != nil {
fail("decode command: %v", err)
}
got.Raw = append([]byte(nil), data...)
return got
}
writeEvent := func(event, taskID string) {
data, _ := json.Marshal(map[string]any{"header": map[string]any{"event": event, "task_id": taskID}, "payload": map[string]any{}})
if err := wsutil.WriteServerText(conn, data); err != nil {
fail("write event: %v", err)
}
}
run := read()
if !isUUID(run.Header.TaskID) {
fail("task_id is not a UUID")
}
wantRun, _ := json.Marshal(map[string]any{
"header": map[string]any{"action": "run-task", "task_id": run.Header.TaskID, "streaming": "duplex"},
"payload": map[string]any{
"task_group": "audio", "task": "tts", "function": "SpeechSynthesizer", "model": "cosyvoice-v3.5-plus",
"parameters": map[string]any{"text_type": "PlainText", "voice": "test-voice", "format": "pcm", "sample_rate": 24000},
"input": map[string]any{},
},
})
if !bytes.Equal(run.Raw, wantRun) {
fail("invalid run-task payload")
}
writeEvent("task-started", run.Header.TaskID)
continued := read()
wantContinue, _ := json.Marshal(map[string]any{
"header": map[string]any{"action": "continue-task", "task_id": run.Header.TaskID, "streaming": "duplex"},
"payload": map[string]any{"input": map[string]any{"text": "测试"}},
})
if !bytes.Equal(continued.Raw, wantContinue) {
fail("invalid continue-task payload")
}
finished := read()
wantFinish, _ := json.Marshal(map[string]any{
"header": map[string]any{"action": "finish-task", "task_id": run.Header.TaskID, "streaming": "duplex"},
"payload": map[string]any{"input": map[string]any{}},
})
if !bytes.Equal(finished.Raw, wantFinish) {
fail("invalid finish-task payload")
}
if err := wsutil.WriteServerBinary(conn, pcmToBytes([]int16{1, 2, 3})); err != nil {
fail("write audio: %v", err)
}
writeEvent("task-finished", run.Header.TaskID)
}))
defer server.Close()
endpoint := "ws" + strings.TrimPrefix(server.URL, "http") + "/api-ws/v1/inference"
pcm, rate, err := synthesize(context.Background(), endpoint, key, "test-voice", "测试")
if err != nil || rate != 24000 || !equalPCM(pcm, []int16{1, 2, 3}) || strings.Contains(errString(err), key) {
t.Fatalf("synthesize = %v, %d, %v", pcm, rate, err)
}
select {
case err := <-serverErrors:
t.Fatal(err)
default:
}
}
func TestBailianTTSRequiresVoiceAndRedactsFailureDetail(t *testing.T) {
if _, err := mediaProgram(context.Background(), config{ttsText: "测试"}); err == nil || !strings.Contains(err.Error(), "BAILIAN_TTS_VOICE") {
t.Fatalf("missing voice error = %v", err)
}
const taskID = "2bf83b9a-baeb-4fda-8d9a-000000000000"
const secret = "test-key-that-must-not-leak"
event, err := parseTTSEvent([]byte(`{"header":{"task_id":"`+taskID+`","event":"task-failed","error_code":"InvalidParameter","error_message":"raw server detail `+secret+`"},"payload":{}}`), taskID)
if err != nil {
t.Fatal(err)
}
got := ttsFailure(event).Error()
if got != "TTS task failed: InvalidParameter" || strings.Contains(got, secret) || strings.Contains(got, "raw server detail") {
t.Fatalf("failure error = %q", got)
}
}
func TestBailianTTSEndpointMustBeExactAndSecure(t *testing.T) {
var hits atomic.Int32
server := httptest.NewServer(http.HandlerFunc(func(http.ResponseWriter, *http.Request) { hits.Add(1) }))
defer server.Close()
loopback := "ws" + strings.TrimPrefix(server.URL, "http")
for _, endpoint := range []string{
loopback + "/compatible-mode/v1",
loopback + "/api-ws/v1/inference/",
loopback + "/api-ws/v1/inference?path=other",
"ws://192.0.2.1/api-ws/v1/inference",
"https://example.invalid/compatible-mode/v1",
} {
_, _, err := synthesize(context.Background(), endpoint, "secret", "voice", "text")
if err == nil || strings.Contains(err.Error(), "secret") {
t.Fatalf("accepted endpoint %q: %v", endpoint, err)
}
}
if hits.Load() != 0 {
t.Fatalf("invalid endpoint received %d requests", hits.Load())
}
}
func isUUID(value string) bool {
if len(value) != 36 || value[8] != '-' || value[13] != '-' || value[18] != '-' || value[23] != '-' {
return false
}
for i, c := range value {
if i == 8 || i == 13 || i == 18 || i == 23 {
continue
}
if !strings.ContainsRune("0123456789abcdef", c) {
return false
}
}
return true
}
func TestInboundVoiceInterruptsPlayback(t *testing.T) {
conn, err := net.ListenUDP("udp4", &net.UDPAddr{IP: net.IPv4zero, Port: 0})
if err != nil {
t.Fatal(err)
}
defer conn.Close()
sender, err := net.DialUDP("udp4", nil, conn.LocalAddr().(*net.UDPAddr))
if err != nil {
t.Fatal(err)
}
defer sender.Close()
ctx, cancel := context.WithCancel(context.Background())
interrupted := make(chan struct{})
done := make(chan []int16, 1)
go receiveRTP(ctx, conn, sender.LocalAddr().(*net.UDPAddr), 1000, 8000, interrupted, done)
frame := make([]int16, 160)
for i := range frame {
frame[i] = 4000
}
payload := encodeG711(pcmToBytes(frame), 8)
for seq := uint16(0); seq < 3; seq++ {
_, _ = sender.Write(marshalRTP(8, seq, uint32(seq)*160, 1, payload))
}
select {
case <-interrupted:
case <-time.After(time.Second):
t.Fatal("playback was not interrupted")
}
cancel()
select {
case pcm := <-done:
if len(pcm) != 480 {
t.Fatalf("recorded samples = %d", len(pcm))
}
case <-time.After(time.Second):
t.Fatal("RTP receiver did not stop")
}
}
func TestSingleCallAgainstLocalSIPAndRTP(t *testing.T) {
ackFailure := errors.New("injected ACK failure")
tests := []struct {
name string
ack func(context.Context, *sipgo.DialogClientSession) error
validSDP bool
byeStatus int
wantMethods string
wantErrors []string
}{
{name: "normal", validSDP: true, byeStatus: sip.StatusOK, wantMethods: "INVITE,ACK,BYE"},
{
name: "ACK failure still sends BYE", validSDP: true, byeStatus: sip.StatusOK, wantMethods: "INVITE,BYE",
ack: func(context.Context, *sipgo.DialogClientSession) error { return ackFailure },
wantErrors: []string{"send ACK: injected ACK failure"},
},
{
name: "media and cleanup errors are preserved", validSDP: false, byeStatus: sip.StatusInternalServerError, wantMethods: "INVITE,ACK,BYE",
wantErrors: []string{"answer SDP lacks usable", "SIP/2.0 500"},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
methods, logData, err := localCall(t, test.ack, test.validSDP, test.byeStatus)
if len(test.wantErrors) == 0 && err != nil {
t.Fatal(err)
}
for _, want := range test.wantErrors {
if err == nil || !strings.Contains(err.Error(), want) {
t.Fatalf("error %v does not contain %q", err, want)
}
}
if got := strings.Join(methods, ","); got != test.wantMethods {
t.Fatalf("SIP methods = %s, want %s", got, test.wantMethods)
}
if strings.Contains(string(logData), "138"+"0000"+"1234") || !strings.Contains(string(logData), "200 OK") {
t.Fatalf("unexpected SIP log: %s", logData)
}
})
}
}
func localCall(t *testing.T, ack func(context.Context, *sipgo.DialogClientSession) error, validSDP bool, byeStatus int) ([]string, []byte, error) {
t.Helper()
const testNumber = "138" + "0000" + "1234"
rtpConn, err := net.ListenUDP("udp4", &net.UDPAddr{IP: net.IPv4zero, Port: 0})
if err != nil {
t.Fatal(err)
}
defer rtpConn.Close()
sipConn, err := net.ListenUDP("udp4", &net.UDPAddr{IP: net.ParseIP("127.0.0.1"), Port: 0})
if err != nil {
t.Fatal(err)
}
defer sipConn.Close()
type serverResult struct {
methods []string
err error
}
serverDone := make(chan serverResult, 1)
go func() {
parser := sip.NewParser()
buf := make([]byte, 4096)
var methods []string
_ = sipConn.SetReadDeadline(time.Now().Add(3 * time.Second))
for {
n, source, err := sipConn.ReadFromUDP(buf)
if err != nil {
serverDone <- serverResult{methods, err}
return
}
message, err := parser.ParseSIP(buf[:n])
if err != nil {
serverDone <- serverResult{methods, err}
return
}
request, ok := message.(*sip.Request)
if !ok {
continue
}
methods = append(methods, request.Method.String())
switch request.Method {
case sip.INVITE:
for _, status := range []int{sip.StatusRinging, sip.StatusOK} {
response := sip.NewResponseFromRequest(request, status, map[int]string{sip.StatusRinging: "Ringing", sip.StatusOK: "OK"}[status], nil)
response.To().Params.Add("tag", "offline-test")
if status == sip.StatusOK {
response.AppendHeader(&sip.ContactHeader{Address: sip.Uri{Scheme: "sip", User: "mock", Host: "127.0.0.1", Port: sipConn.LocalAddr().(*net.UDPAddr).Port}})
response.AppendHeader(sip.NewHeader("Content-Type", "application/sdp"))
if validSDP {
response.SetBody([]byte("v=0\r\nc=IN IP4 127.0.0.1\r\nm=audio " + strconv.Itoa(rtpConn.LocalAddr().(*net.UDPAddr).Port) + " RTP/AVP 8\r\n"))
} else {
response.SetBody([]byte("v=0\r\n"))
}
}
if _, err := sipConn.WriteToUDP([]byte(response.String()), source); err != nil {
serverDone <- serverResult{methods, err}
return
}
if status == sip.StatusRinging {
time.Sleep(5 * time.Millisecond)
}
}
case sip.BYE:
reason := "OK"
if byeStatus != sip.StatusOK {
reason = "Server Error"
}
response := sip.NewResponseFromRequest(request, byeStatus, reason, nil)
_, err := sipConn.WriteToUDP([]byte(response.String()), source)
serverDone <- serverResult{methods, err}
return
}
}
}()
dir := t.TempDir()
cfg := config{
server: sipConn.LocalAddr().String(),
number: testNumber,
ttsText: "",
ttsVoice: "unused",
logPath: filepath.Join(dir, "sip.log"),
recordDir: filepath.Join(dir, "recordings"),
localAddr: "127.0.0.1:0",
advertiseIP: "127.0.0.1",
ringTimeout: time.Second,
maxDuration: 120 * time.Millisecond,
vadThreshold: 1000,
}
var runErr error
if ack == nil {
runErr = run(context.Background(), cfg)
} else {
runErr = runWithACK(context.Background(), cfg, ack)
}
result := <-serverDone
if result.err != nil {
t.Fatal(result.err)
}
logData, err := os.ReadFile(cfg.logPath)
if err != nil {
t.Fatal(err)
}
return result.methods, logData, runErr
}
func equalPCM(a, b []int16) bool {
if len(a) != len(b) {
return false
}
for i := range a {
if a[i] != b[i] {
return false
}
}
return true
}
func errString(err error) string {
if err == nil {
return ""
}
return err.Error()
}