| 1 | package control |
| 2 | |
| 3 | import ( |
| 4 | "os" |
| 5 | "path/filepath" |
| 6 | "testing" |
| 7 | "time" |
| 8 | |
| 9 | "reasonix/internal/agent" |
| 10 | "reasonix/internal/event" |
| 11 | "reasonix/internal/provider" |
| 12 | "reasonix/internal/store" |
| 13 | ) |
| 14 | |
| 15 | func TestSnapshotForShutdownAppendsToSessionLogInsteadOfForking(t *testing.T) { |
| 16 | dir := t.TempDir() |
| 17 | path := filepath.Join(dir, "session.jsonl") |
| 18 | base := agent.NewSession("sys") |
| 19 | base.Add(provider.Message{Role: provider.RoleUser, Content: "persisted"}) |
| 20 | if err := base.SaveSnapshot(path); err != nil { |
| 21 | t.Fatalf("seed session: %v", err) |
| 22 | } |
| 23 | current, err := agent.LoadSession(path) |
| 24 | if err != nil { |
| 25 | t.Fatalf("LoadSession: %v", err) |
| 26 | } |
| 27 | current.Add(provider.Message{Role: provider.RoleAssistant, Content: "shutdown tail"}) |
| 28 | exec := agent.New(nil, nil, current, agent.Options{}, event.Discard) |
| 29 | sink := ¬iceSink{} |
| 30 | c := newOwnedTestController(t, Options{ |
| 31 | Executor: exec, SessionDir: dir, SessionPath: path, Label: "shutdown", Sink: sink, |
| 32 | OnSessionRecovered: func(info SessionRecoveryInfo) error { |
| 33 | t.Errorf("a session log must not enter the recovery handoff: %+v", info) |
| 34 | return nil |
| 35 | }, |
| 36 | }) |
| 37 | t.Cleanup(agent.SetSessionFileLockWaitForTest(40*time.Millisecond, 5*time.Millisecond)) |
| 38 | release, err := agent.HoldSessionFileLockForTest(path) |
| 39 | if err != nil { |
| 40 | t.Fatal(err) |
| 41 | } |
| 42 | t.Cleanup(release) |
| 43 | |
| 44 | if err := c.SnapshotForShutdown(); err != nil { |
| 45 | t.Fatalf("SnapshotForShutdown: %v", err) |
| 46 | } |
| 47 | release() |
| 48 | if c.SessionPath() != path { |
| 49 | t.Fatalf("session path after shutdown = %q, want %q unchanged", c.SessionPath(), path) |
| 50 | } |
| 51 | entries, err := os.ReadDir(dir) |
| 52 | if err != nil { |
| 53 | t.Fatal(err) |
| 54 | } |
| 55 | for _, entry := range entries { |
| 56 | if store.IsSessionTranscriptName(entry.Name()) && entry.Name() != filepath.Base(path) { |
| 57 | t.Fatalf("shutdown wrote a transcript copy %s", entry.Name()) |
| 58 | } |
| 59 | } |
| 60 | heads, err := agent.ListSessionHeads(path) |
| 61 | if err != nil || len(heads) != 2 || heads[1].Kind != agent.HeadKindConcurrent || !heads[1].Selected { |
| 62 | t.Fatalf("heads = %+v err=%v, want the tail on a concurrent head", heads, err) |
| 63 | } |
| 64 | reloaded, err := agent.LoadSession(path) |
| 65 | if err != nil { |
| 66 | t.Fatal(err) |
| 67 | } |
| 68 | if got := reloaded.Snapshot(); len(got) != 3 || got[2].Content != "shutdown tail" { |
| 69 | t.Fatalf("reloaded transcript = %+v", got) |
| 70 | } |
| 71 | if notice, ok := sink.lastNotice(); ok && notice.Code == event.NoticeCodeSessionShutdownRecoveryForked { |
| 72 | t.Fatalf("shutdown emitted the recovery-copy notice: %+v", notice) |
| 73 | } |
| 74 | } |
| 75 |