wangbo
44d5cf2b9d
将 Gemini Veo 视频请求改为 predictLongRunning 提交与 Operation 轮询，支持任务恢复、首尾帧和参考图的官方 Base64 字段映射。 完成后由网关携带 API Key 从受信任的 Gemini 文件域下载视频，再进入现有对象存储转存链路，避免暴露鉴权地址。 验证：env -u AI_GATEWAY_TEST_DATABASE_URL go test ./... -count=1；go vet ./...；真实 Veo 3.1 任务生成并下载 1633544 字节视频。
268 lines
10 KiB
Go
268 lines
10 KiB
Go
package clients
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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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"os"
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"reflect"
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"strings"
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"sync/atomic"
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"testing"
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"time"
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"github.com/easyai/easyai-ai-gateway/apps/api/internal/store"
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)
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func TestGeminiVeoRunUsesOfficialLongRunningProtocol(t *testing.T) {
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const operationName = "models/veo-3.1-generate-preview/operations/test-operation"
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videoPayload := []byte("test mp4 payload")
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var server *httptest.Server
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var pollCount atomic.Int32
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server = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Header.Get("x-goog-api-key") != "test-gemini-key" {
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t.Errorf("missing Gemini API key header for %s", r.URL.Path)
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}
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switch {
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case r.Method == http.MethodPost && r.URL.Path == "/v1beta/models/veo-3.1-generate-preview:predictLongRunning":
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var body map[string]any
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if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
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t.Fatalf("decode Veo body: %v", err)
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}
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instances := body["instances"].([]any)
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if prompt := instances[0].(map[string]any)["prompt"]; prompt != "a paper boat on a lake" {
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t.Errorf("unexpected prompt: %v", prompt)
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}
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parameters := body["parameters"].(map[string]any)
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if parameters["durationSeconds"] != float64(4) || parameters["resolution"] != "720p" || parameters["aspectRatio"] != "16:9" {
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t.Errorf("unexpected parameters: %+v", parameters)
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}
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_ = json.NewEncoder(w).Encode(map[string]any{"name": operationName})
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case r.Method == http.MethodGet && r.URL.Path == "/v1beta/"+operationName:
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if pollCount.Add(1) == 1 {
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_ = json.NewEncoder(w).Encode(map[string]any{"name": operationName, "done": false})
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return
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}
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_ = json.NewEncoder(w).Encode(map[string]any{
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"name": operationName,
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"done": true,
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"response": map[string]any{"generateVideoResponse": map[string]any{"generatedSamples": []any{
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map[string]any{"video": map[string]any{"uri": server.URL + "/v1beta/files/generated-video:download", "mimeType": "video/mp4"}},
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}}},
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})
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case r.Method == http.MethodGet && r.URL.Path == "/v1beta/files/generated-video:download":
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w.Header().Set("Content-Type", "video/mp4")
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_, _ = w.Write(videoPayload)
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default:
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http.NotFound(w, r)
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}
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}))
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defer server.Close()
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var submitted string
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polled := 0
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response, err := (GeminiClient{}).Run(context.Background(), Request{
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Kind: "videos.generations",
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ModelType: "video_generate",
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Model: "veo-3.1",
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Body: map[string]any{
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"prompt": "a paper boat on a lake",
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"duration": 4,
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"resolution": "720p",
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"aspect_ratio": "16:9",
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},
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Candidate: testGeminiVeoCandidate(server.URL),
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OnRemoteTaskSubmitted: func(remoteTaskID string, _ map[string]any) error {
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submitted = remoteTaskID
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return nil
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},
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OnRemoteTaskPolled: func(remoteTaskID string, _ map[string]any) error {
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if remoteTaskID != operationName {
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t.Errorf("unexpected polled operation: %s", remoteTaskID)
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}
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polled++
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return nil
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},
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})
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if err != nil {
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t.Fatalf("run Gemini Veo: %v", err)
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}
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if submitted != operationName || polled != 2 || pollCount.Load() != 2 {
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t.Fatalf("unexpected async callbacks: submitted=%q polled=%d requests=%d", submitted, polled, pollCount.Load())
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}
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if response.UpstreamProtocol != ProtocolGeminiVeo || response.RequestID != operationName {
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t.Fatalf("unexpected response metadata: %+v", response)
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}
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data := response.Result["data"].([]any)
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item := data[0].(map[string]any)
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if got := item["video_bytes"].([]byte); !reflect.DeepEqual(got, videoPayload) {
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t.Fatalf("unexpected video payload: %q", got)
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}
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if _, exposed := item["uri"]; exposed {
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t.Fatalf("upstream authenticated URI must not be exposed: %+v", item)
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}
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}
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func TestGeminiVeoRunResumesOperationWithoutSubmittingAgain(t *testing.T) {
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const operationName = "models/veo-3.1-generate-preview/operations/resumed"
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var postCount atomic.Int32
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method == http.MethodPost {
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postCount.Add(1)
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http.Error(w, "unexpected submit", http.StatusInternalServerError)
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return
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}
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_ = json.NewEncoder(w).Encode(map[string]any{
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"name": operationName,
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"done": true,
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"response": map[string]any{"generateVideoResponse": map[string]any{"generatedSamples": []any{
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map[string]any{"video": map[string]any{"videoBytes": base64.StdEncoding.EncodeToString([]byte("resumed video")), "mimeType": "video/mp4"}},
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}}},
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})
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}))
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defer server.Close()
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response, err := (GeminiClient{}).Run(context.Background(), Request{
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Kind: "videos.generations",
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ModelType: "video_generate",
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Model: "veo-3.1",
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Body: map[string]any{"prompt": "ignored on resume"},
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Candidate: testGeminiVeoCandidate(server.URL),
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RemoteTaskID: operationName,
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})
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if err != nil {
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t.Fatalf("resume Gemini Veo: %v", err)
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}
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if postCount.Load() != 0 || response.Result["id"] != operationName {
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t.Fatalf("resume submitted a new operation or returned wrong ID: posts=%d result=%+v", postCount.Load(), response.Result)
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}
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}
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func TestGeminiVeoBodyMapsImageAndParameters(t *testing.T) {
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first := "data:image/png;base64," + base64.StdEncoding.EncodeToString([]byte("first"))
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last := "data:image/jpeg;base64," + base64.StdEncoding.EncodeToString([]byte("last"))
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reference := "data:image/webp;base64," + base64.StdEncoding.EncodeToString([]byte("reference"))
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body, err := geminiVeoBody(Request{Body: map[string]any{
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"prompt": "animate",
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"first_frame": first,
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"last_frame": last,
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"reference_images": []any{reference},
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"duration": 8,
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"resolution": "2160p",
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"aspect_ratio": "9:16",
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"negative_prompt": "text",
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"person_generation": "allow_adult",
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"enhance_prompt": false,
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}})
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if err != nil {
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t.Fatalf("build Gemini Veo body: %v", err)
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}
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instance := body["instances"].([]any)[0].(map[string]any)
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image := instance["image"].(map[string]any)
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lastFrame := instance["lastFrame"].(map[string]any)
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references := instance["referenceImages"].([]any)
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if image["bytesBase64Encoded"] != base64.StdEncoding.EncodeToString([]byte("first")) || image["mimeType"] != "image/png" {
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t.Fatalf("unexpected first frame: %+v", image)
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}
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if lastFrame["mimeType"] != "image/jpeg" || len(references) != 1 {
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t.Fatalf("unexpected last/reference images: last=%+v references=%+v", lastFrame, references)
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}
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parameters := body["parameters"].(map[string]any)
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if parameters["resolution"] != "4k" || parameters["durationSeconds"] != 8 || parameters["enhancePrompt"] != false {
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t.Fatalf("unexpected Gemini Veo parameters: %+v", parameters)
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}
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}
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func TestGeminiVeoRejectsInvalidDurationBeforeSubmission(t *testing.T) {
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_, err := geminiVeoBody(Request{Body: map[string]any{"prompt": "test", "duration": 5}})
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if err == nil || ErrorCode(err) != "invalid_parameter" || ErrorParam(err) != "duration" || !strings.Contains(err.Error(), "4, 6, or 8") {
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t.Fatalf("unexpected invalid duration error: %v", err)
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}
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}
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func TestGeminiVeoDownloadURLOnlyTrustsProviderAndGoogleAPIs(t *testing.T) {
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for _, test := range []struct {
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uri string
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trusted bool
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}{
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{uri: "https://gemini-proxy.example.com/v1beta/files/video", trusted: true},
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{uri: "https://generativelanguage.googleapis.com/v1beta/files/video", trusted: true},
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{uri: "https://storage.googleapis.com/signed/video", trusted: false},
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{uri: "https://attacker.example.com/video", trusted: false},
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} {
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_, trusted, err := geminiVeoDownloadURL("https://gemini-proxy.example.com/v1beta", test.uri)
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if err != nil {
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t.Fatalf("parse %s: %v", test.uri, err)
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}
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if trusted != test.trusted {
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t.Fatalf("unexpected trust for %s: got %t want %t", test.uri, trusted, test.trusted)
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}
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}
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}
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func TestGeminiVeoLive(t *testing.T) {
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apiKey := strings.TrimSpace(os.Getenv("GEMINI_VEO_LIVE_API_KEY"))
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if apiKey == "" {
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t.Skip("GEMINI_VEO_LIVE_API_KEY is not configured")
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}
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baseURL := strings.TrimSpace(os.Getenv("GEMINI_VEO_LIVE_BASE_URL"))
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model := strings.TrimSpace(os.Getenv("GEMINI_VEO_LIVE_MODEL"))
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if model == "" {
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model = "veo-3.1-generate-preview"
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}
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ctx, cancel := context.WithTimeout(context.Background(), 12*time.Minute)
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defer cancel()
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operationName := strings.TrimSpace(os.Getenv("GEMINI_VEO_LIVE_OPERATION"))
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response, err := (GeminiClient{}).Run(ctx, Request{
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Kind: "videos.generations",
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ModelType: "video_generate",
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Model: model,
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Body: map[string]any{
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"prompt": "A small red paper boat gently floating on calm water, static camera, natural daylight.",
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"duration": 4,
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"resolution": "720p",
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"aspect_ratio": "16:9",
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},
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Candidate: store.RuntimeModelCandidate{
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Provider: "gemini",
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BaseURL: baseURL,
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ProviderModelName: model,
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Credentials: map[string]any{"apiKey": apiKey},
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PlatformConfig: map[string]any{"pollIntervalMs": 10000, "pollTimeoutMs": 660000},
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},
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RemoteTaskID: operationName,
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OnRemoteTaskSubmitted: func(remoteTaskID string, _ map[string]any) error {
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t.Logf("live Gemini Veo submitted operation %s", remoteTaskID)
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return nil
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},
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})
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if err != nil {
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t.Fatalf("live Gemini Veo request failed: %v", err)
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}
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data, _ := response.Result["data"].([]any)
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if len(data) != 1 {
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t.Fatalf("live Gemini Veo returned %d videos", len(data))
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}
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item, _ := data[0].(map[string]any)
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payload, _ := item["video_bytes"].([]byte)
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if len(payload) < 1024 {
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t.Fatalf("live Gemini Veo video is unexpectedly small: %d bytes", len(payload))
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}
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if mimeType := strings.TrimSpace(stringFromAny(item["mime_type"])); !strings.HasPrefix(mimeType, "video/") {
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t.Fatalf("live Gemini Veo returned unexpected MIME type: %q", mimeType)
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}
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t.Logf("live Gemini Veo accepted operation %s and downloaded %d video bytes", response.RequestID, len(payload))
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}
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func testGeminiVeoCandidate(baseURL string) store.RuntimeModelCandidate {
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return store.RuntimeModelCandidate{
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Provider: "gemini",
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BaseURL: baseURL,
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ProviderModelName: "veo-3.1-generate-preview",
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Credentials: map[string]any{"apiKey": "test-gemini-key"},
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PlatformConfig: map[string]any{"pollIntervalMs": 1, "pollTimeoutMs": 1000},
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}
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}
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