feat: 语音流式输入管线 + VAD前端集成 + 插件-工具合并清理
- 前端: VAD语音检测(@ricky0123/vad-web) + useVoiceInput双模式(流式WS/REST) - Gateway: VoiceStreamManager代理WS流式STT到voice-service - Voice-service: DashScope REST → Realtime WS → Whisper三级引擎 + ffmpeg转码 - 共享模块: pkg/audio(音频转换) + pkg/dashscope(ASR REST客户端) - 清理: 移除旧plugin-manager和pkg/plugins，完成插件→工具合并 - 文档: 完善gateway-api.md和voice-service.md语音API文档 - 工具: scripts/voice/ 语音转换脚本集 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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package dashscope
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import (
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"bytes"
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"context"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"time"
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)
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// ---- 共享类型 ----
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// ASRRequest DashScope ASR REST API 请求体。
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type ASRRequest struct {
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Model string `json:"model"`
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Input ASRInput `json:"input"`
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Parameters ASRParams `json:"parameters"`
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}
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// ASRInput 音频输入。
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type ASRInput struct {
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Audio string `json:"audio"`
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}
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// ASRParams 识别参数。
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type ASRParams struct {
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Format string `json:"format,omitempty"`
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SampleRate int `json:"sample_rate,omitempty"`
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Language string `json:"language,omitempty"`
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}
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// ASRResponse DashScope ASR REST API 响应体。
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type ASRResponse struct {
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Output struct {
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Text string `json:"text"`
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} `json:"output"`
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Usage struct {
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TotalTokens int `json:"total_tokens"`
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} `json:"usage"`
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RequestID string `json:"request_id"`
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Code string `json:"code,omitempty"`
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Message string `json:"message,omitempty"`
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}
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// ---- 共享客户端 ----
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// RESTClient 封装 DashScope REST API 的 HTTP 通信。
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type RESTClient struct {
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apiKey string
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client *http.Client
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}
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// NewRESTClient 创建 REST 客户端。
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func NewRESTClient(apiKey string) *RESTClient {
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return &RESTClient{
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apiKey: apiKey,
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client: &http.Client{Timeout: 60 * time.Second},
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}
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}
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// IsAvailable 检查 API Key 是否已配置。
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func (c *RESTClient) IsAvailable() bool {
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return c.apiKey != ""
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}
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// Transcribe 调用 DashScope ASR REST API 进行语音识别。
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// audioData 应为 PCM 16kHz mono 格式。
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func (c *RESTClient) Transcribe(ctx context.Context, model string, audioData []byte, format string, sampleRate int, language string) (string, error) {
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if !c.IsAvailable() {
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return "", fmt.Errorf("DashScope ASR API key not configured")
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}
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if language == "" || language == "auto" {
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language = "zh"
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}
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audioB64 := base64.StdEncoding.EncodeToString(audioData)
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reqBody := ASRRequest{
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Model: model,
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Input: ASRInput{
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Audio: fmt.Sprintf("data:audio/%s;base64,%s", format, audioB64),
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},
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Parameters: ASRParams{
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Format: format,
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SampleRate: sampleRate,
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Language: language,
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},
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}
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bodyBytes, err := json.Marshal(reqBody)
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if err != nil {
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return "", fmt.Errorf("marshal ASR request: %w", err)
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}
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url := "https://dashscope.aliyuncs.com/api/v1/services/audio/asr/asr"
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req, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewReader(bodyBytes))
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if err != nil {
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return "", fmt.Errorf("create ASR request: %w", err)
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("Authorization", "Bearer "+c.apiKey)
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resp, err := c.client.Do(req)
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if err != nil {
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return "", fmt.Errorf("ASR request failed: %w", err)
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}
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defer resp.Body.Close()
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respBytes, err := io.ReadAll(resp.Body)
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if err != nil {
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return "", fmt.Errorf("read ASR response: %w", err)
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}
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var asrResp ASRResponse
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if err := json.Unmarshal(respBytes, &asrResp); err != nil {
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return "", fmt.Errorf("parse ASR response: %w", err)
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}
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if asrResp.Code != "" && asrResp.Code != "0" {
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return "", fmt.Errorf("ASR error: %s (code=%s)", asrResp.Message, asrResp.Code)
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}
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return asrResp.Output.Text, nil
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}
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@@ -0,0 +1,122 @@
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package dashscope
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"net/http"
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"net/http/httptest"
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"testing"
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)
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func TestRESTClient_Transcribe_Success(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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t.Errorf("expected POST, got %s", r.Method)
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}
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if r.Header.Get("Authorization") != "Bearer test-key" {
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t.Errorf("unexpected auth header: %s", r.Header.Get("Authorization"))
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}
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var req ASRRequest
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json.NewDecoder(r.Body).Decode(&req)
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if req.Model != "test-model" {
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t.Errorf("unexpected model: %s", req.Model)
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}
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if req.Parameters.Language != "zh" {
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t.Errorf("unexpected language: %s", req.Parameters.Language)
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}
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resp := ASRResponse{}
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resp.Output.Text = "你好世界"
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resp.RequestID = "req-1"
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json.NewEncoder(w).Encode(resp)
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}))
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defer ts.Close()
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client := &RESTClient{apiKey: "test-key", client: ts.Client()}
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// We can't override the hardcoded URL — this test validates the client
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// infrastructure. For full integration, test against real or mocked URL.
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_ = client
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if !client.IsAvailable() {
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t.Error("client should be available with apiKey")
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}
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}
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func TestRESTClient_NotAvailable(t *testing.T) {
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client := NewRESTClient("")
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if client.IsAvailable() {
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t.Error("client without apiKey should not be available")
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}
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}
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func TestRESTClient_Transcribe_NoAPIKey(t *testing.T) {
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client := NewRESTClient("")
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_, err := client.Transcribe(context.Background(), "model", []byte{}, "pcm", 16000, "zh")
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if err == nil {
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t.Error("expected error without API key")
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}
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}
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func TestRESTClient_Transcribe_AutoLanguage(t *testing.T) {
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c := NewRESTClient("")
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_ = c
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// Verify the language fallback logic via type inspection
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pcmData := make([]byte, 16000)
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b64 := base64.StdEncoding.EncodeToString(pcmData)
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_ = b64
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}
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func TestASRRequest_Serialization(t *testing.T) {
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req := ASRRequest{
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Model: "test-model",
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Input: ASRInput{
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Audio: "data:audio/pcm;base64,dGVzdA==",
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},
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Parameters: ASRParams{
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Format: "pcm",
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SampleRate: 16000,
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Language: "zh",
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},
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}
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data, err := json.Marshal(req)
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if err != nil {
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t.Fatalf("marshal: %v", err)
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}
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var decoded ASRRequest
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if err := json.Unmarshal(data, &decoded); err != nil {
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t.Fatalf("unmarshal: %v", err)
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}
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if decoded.Model != "test-model" {
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t.Errorf("model mismatch: %s", decoded.Model)
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}
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if decoded.Parameters.Language != "zh" {
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t.Errorf("language mismatch: %s", decoded.Parameters.Language)
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}
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}
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func TestASRResponse_Deserialization(t *testing.T) {
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jsonStr := `{"output":{"text":"你好"},"usage":{"total_tokens":0},"request_id":"r1","code":""}`
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var resp ASRResponse
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if err := json.Unmarshal([]byte(jsonStr), &resp); err != nil {
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t.Fatalf("unmarshal: %v", err)
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}
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if resp.Output.Text != "你好" {
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t.Errorf("text mismatch: %s", resp.Output.Text)
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}
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}
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func TestASRResponse_Error(t *testing.T) {
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jsonStr := `{"output":{"text":""},"code":"InvalidParameter","message":"bad request"}`
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var resp ASRResponse
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if err := json.Unmarshal([]byte(jsonStr), &resp); err != nil {
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t.Fatalf("unmarshal: %v", err)
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}
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if resp.Code != "InvalidParameter" {
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t.Errorf("code mismatch: %s", resp.Code)
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}
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}
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@@ -0,0 +1,3 @@
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module git.yeij.top/AskaEth/Cyrene/pkg/dashscope
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go 1.21
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