216 lines
9.9 KiB
Go
216 lines
9.9 KiB
Go
package app
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import (
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"encoding/json"
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"testing"
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"infinite-canvas/backend/internal/model"
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)
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// 回归（2026-09-15）：模型一轮里并发提交多个写操作（实测：给 6 个镜头建图时一轮 3 个
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// generate_media），它们共享同一个「读画布时的哈希」。第一个写成功后画布就变了，后续调用
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// 全部撞快照 CAS，模型得靠报错里的新哈希重试 —— 而下一轮又并发提交，十几轮都跑不完。
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//
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// 这里锁住放宽的**边界**：只把「与本轮基线同源」的后续调用接到当前哈希；
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// 本轮第一个调用、模型自己已改用新哈希的调用、以及跨轮的情况都不动。
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func TestCloudAgentRefreshStepSnapshotHash(t *testing.T) {
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s, db, a := agentMediaFixture(t)
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// Windows：池里的连接要在 t.TempDir 清理前关掉，否则整个包报红。
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if sqlDB, err := db.DB(); err == nil {
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t.Cleanup(func() { _ = sqlDB.Close() })
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}
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base := a.SnapshotHash
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if base == "" {
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t.Fatal("fixture 缺少 snapshotHash")
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}
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state := cloudAgentRuntime{Request: agentTestRequest(), Step: 3, CallIndex: 1}
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state.Request.CanvasID = "agent-canvas"
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state.Calls = []cloudAgentCall{agentMediaCall(a), agentMediaCall(a)}
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// 生产路径在收到这一轮调用时就把「读画布时的哈希」记进快照（见 state.Calls = calls 处）。
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state.StepSnapshotHash = base
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run := &model.CloudAgentExecution{ID: "run-1", UserID: "user", CanvasID: "agent-canvas"}
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// ① 画布没变 → 原样返回，不做任何改动。
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got := s.cloudAgentRefreshStepSnapshotHash(run, &state, state.Calls[1])
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if got.Function.Arguments != state.Calls[1].Function.Arguments {
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t.Fatal("画布未变时不应改写参数")
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}
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// ② 画布变了（模拟本轮第一个写操作已成功）→ 第二个调用应接到最新哈希。
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var canvas model.CanvasProject
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if err := db.First(&canvas, "id = ?", "agent-canvas").Error; err != nil {
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t.Fatal(err)
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}
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beforeRaw := canvas.PayloadJSON
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doc, err := creationDocument(canvas.PayloadJSON)
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if err != nil {
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t.Fatal(err)
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}
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doc["nodes"] = append(creationMaps(doc["nodes"]), map[string]any{"id": "sibling-write", "type": "image", "title": "本轮第一个写操作留下的节点"})
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raw, _ := json.Marshal(doc)
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if err := db.Model(&model.CanvasProject{}).Where("id = ?", "agent-canvas").Update("payload_json", string(raw)).Error; err != nil {
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t.Fatal(err)
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}
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latest := cloudAgentCanvasHash(doc)
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if latest == base {
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t.Fatal("测试前提不成立：画布哈希没变")
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}
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if err := s.repo.CreateCloudAgentCanvasMutation(&model.CloudAgentCanvasMutation{ID: "mutation-1", RunID: run.ID, UserID: run.UserID, CanvasID: run.CanvasID, StepID: state.Calls[0].ID, Operation: "canvas_apply_ops", BeforeSnapshotHash: base, AfterSnapshotHash: latest, BeforeJSON: beforeRaw, Status: "applied"}); err != nil {
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t.Fatal(err)
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}
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got = s.cloudAgentRefreshStepSnapshotHash(run, &state, state.Calls[1])
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var args struct {
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SnapshotHash string `json:"snapshotHash"`
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NodeID string `json:"nodeId"`
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}
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if err := json.Unmarshal([]byte(got.Function.Arguments), &args); err != nil {
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t.Fatal(err)
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}
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if args.SnapshotHash != latest {
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t.Fatalf("同源后续调用应接到最新哈希：got %s want %s", truncateRunes(args.SnapshotHash, 12), truncateRunes(latest, 12))
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}
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if args.NodeID != a.NodeID {
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t.Fatal("刷新哈希时不能改动其它参数")
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}
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// ③ 本轮第一个调用不刷新（它的哈希本身就该被校验）。
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// 真实运行时 call 恒为 Calls[CallIndex]，所以这里把游标回到 0 才是等价场景。
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state.CallIndex = 0
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first := s.cloudAgentRefreshStepSnapshotHash(run, &state, state.Calls[0])
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state.CallIndex = 1
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if first.Function.Arguments != state.Calls[0].Function.Arguments {
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t.Fatal("同一轮的第一个调用不应被改写")
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}
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// ④ 模型已自行改用新哈希的调用不刷新 —— 那种情况要如实报冲突，别掩盖。
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// 基线与该调用不同源（模型中途重读过画布），就不该替它抹平。
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own := state.Calls[1]
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var ownArgs map[string]any
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if err := json.Unmarshal([]byte(own.Function.Arguments), &ownArgs); err != nil {
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t.Fatal(err)
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}
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ownArgs["snapshotHash"] = "model-reread-hash"
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rawOwn, _ := json.Marshal(ownArgs)
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own.Function.Arguments = string(rawOwn)
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again := s.cloudAgentRefreshStepSnapshotHash(run, &state, own)
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if again.Function.Arguments != own.Function.Arguments {
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t.Fatal("与基线不同源的调用不应被改写")
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}
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// ⑤ 批卡批准后的真实序列：服务端把整批调用统一改写成同一个新哈希，基线一起抬到该哈希；
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// 此后逐条提交，**每提交一条画布都会再变**（那条草稿节点要绑上 taskId）。
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// 后面几条必须仍能被补到当时的哈希 —— 补不上就撞快照 CAS，
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// 实测表现就是「一轮里第二个镜头必被拒」。基线也不能再被 Calls[0] 的改写带跑，
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// 否则这几条会被判成"模型自己换了哈希"而跳过补哈希。
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state.Calls[1].Function.Arguments = got.Function.Arguments // 服务端：整批同一个哈希
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state.StepSnapshotHash = latest // 服务端：基线同步抬到该哈希
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doc["nodes"] = append(creationMaps(doc["nodes"]), map[string]any{"id": "bound-task", "type": "video", "title": "第一条提交后绑上 taskId"})
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rawBound, _ := json.Marshal(doc)
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if err := db.Model(&model.CanvasProject{}).Where("id = ?", "agent-canvas").Update("payload_json", string(rawBound)).Error; err != nil {
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t.Fatal(err)
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}
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afterBind := cloudAgentCanvasHash(doc)
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if afterBind == latest {
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t.Fatal("测试前提不成立：提交第一条后画布哈希没变")
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}
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if err := s.repo.CreateCloudAgentCanvasMutation(&model.CloudAgentCanvasMutation{ID: "mutation-2", RunID: run.ID, UserID: run.UserID, CanvasID: run.CanvasID, StepID: state.Calls[1].ID, Operation: "generate_media_submit", BeforeSnapshotHash: latest, AfterSnapshotHash: afterBind, BeforeJSON: string(raw), Status: "applied"}); err != nil {
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t.Fatal(err)
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}
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fresh := s.cloudAgentRefreshStepSnapshotHash(run, &state, state.Calls[1])
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var freshArgs struct {
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SnapshotHash string `json:"snapshotHash"`
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}
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if err := json.Unmarshal([]byte(fresh.Function.Arguments), &freshArgs); err != nil {
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t.Fatal(err)
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}
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if freshArgs.SnapshotHash != afterBind {
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t.Fatalf("同源调用应被补到最新哈希：got %s want %s", truncateRunes(freshArgs.SnapshotHash, 12), truncateRunes(afterBind, 12))
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}
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empty := agentMediaCall(a)
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var emptyArgs map[string]any
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if err := json.Unmarshal([]byte(empty.Function.Arguments), &emptyArgs); err != nil {
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t.Fatal(err)
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}
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delete(emptyArgs, "snapshotHash")
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rawEmpty, _ := json.Marshal(emptyArgs)
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empty.Function.Arguments = string(rawEmpty)
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filled := s.cloudAgentRefreshStepSnapshotHash(run, &state, empty)
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var filledArgs struct {
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SnapshotHash string `json:"snapshotHash"`
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}
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if err := json.Unmarshal([]byte(filled.Function.Arguments), &filledArgs); err != nil {
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t.Fatal(err)
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}
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if err := db.First(&canvas, "id = ?", "agent-canvas").Error; err != nil {
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t.Fatal(err)
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}
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currentDoc, err := creationDocument(canvas.PayloadJSON)
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if err != nil {
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t.Fatal(err)
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}
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if filledArgs.SnapshotHash != cloudAgentMediaContentHash(currentDoc) {
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t.Fatalf("漏传 snapshotHash 应补当前媒体快照：got %s", truncateRunes(filledArgs.SnapshotHash, 12))
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}
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}
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func TestCloudAgentRefreshStepSnapshotHashRejectsExternalWrites(t *testing.T) {
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s, db, a := agentMediaFixture(t)
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if sqlDB, err := db.DB(); err == nil {
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t.Cleanup(func() { _ = sqlDB.Close() })
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}
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baseCanvas, err := s.repo.CanvasProjectForUser("user", "agent-canvas")
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if err != nil {
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t.Fatal(err)
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}
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baseDoc, err := creationDocument(baseCanvas.PayloadJSON)
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if err != nil {
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t.Fatal(err)
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}
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base := cloudAgentCanvasHash(baseDoc)
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state := cloudAgentRuntime{Request: agentTestRequest(), Step: 1, CallIndex: 1, StepSnapshotHash: base}
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state.Request.CanvasID = "agent-canvas"
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state.Calls = []cloudAgentCall{agentMediaCall(a), agentMediaCall(a)}
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run := &model.CloudAgentExecution{ID: "run-current", UserID: "user", CanvasID: "agent-canvas"}
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// A direct autosave or another tab has no current-run mutation record.
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directDoc := cloneCreationDocument(baseDoc)
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directDoc["nodes"] = append(creationMaps(directDoc["nodes"]), map[string]any{"id": "external-node", "type": "image"})
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directRaw, _ := json.Marshal(directDoc)
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if err := db.Model(&model.CanvasProject{}).Where("id = ?", "agent-canvas").Update("payload_json", string(directRaw)).Error; err != nil {
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t.Fatal(err)
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}
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got := s.cloudAgentRefreshStepSnapshotHash(run, &state, state.Calls[1])
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if got.Function.Arguments != state.Calls[1].Function.Arguments {
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t.Fatal("无记录的外部写入不能被吸收")
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}
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// A different Agent run's mutation is also a conflict for this run.
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if err := db.Model(&model.CanvasProject{}).Where("id = ?", "agent-canvas").Update("payload_json", baseCanvas.PayloadJSON).Error; err != nil {
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t.Fatal(err)
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}
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otherDoc := cloneCreationDocument(baseDoc)
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otherDoc["nodes"] = append(creationMaps(otherDoc["nodes"]), map[string]any{"id": "other-run-node", "type": "image"})
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otherRaw, _ := json.Marshal(otherDoc)
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if err := db.Model(&model.CanvasProject{}).Where("id = ?", "agent-canvas").Update("payload_json", string(otherRaw)).Error; err != nil {
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t.Fatal(err)
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}
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otherHash := cloudAgentCanvasHash(otherDoc)
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if err := s.repo.CreateCloudAgentCanvasMutation(&model.CloudAgentCanvasMutation{ID: "mutation-other", RunID: "run-other", UserID: "user", CanvasID: "agent-canvas", StepID: "other-call", Operation: "canvas_apply_ops", BeforeSnapshotHash: base, AfterSnapshotHash: otherHash, Status: "applied"}); err != nil {
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t.Fatal(err)
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}
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got = s.cloudAgentRefreshStepSnapshotHash(run, &state, state.Calls[1])
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if got.Function.Arguments != state.Calls[1].Function.Arguments {
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t.Fatal("其他 Agent run 的写入不能被当前 run 吸收")
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}
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}
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func cloneCreationDocument(doc map[string]any) map[string]any {
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raw, _ := json.Marshal(doc)
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copy, _ := creationDocument(string(raw))
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return copy
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}
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