| 1 | package session |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "os" |
| 7 | "path/filepath" |
| 8 | "strings" |
| 9 | "testing" |
| 10 | |
| 11 | "reasonix/internal/provider" |
| 12 | ) |
| 13 | |
| 14 | func TestOpenSessionUsesRecentBaselineWithoutQueryIndexes(t *testing.T) { |
| 15 | root := filepath.Join(t.TempDir(), "sessions-v4") |
| 16 | service, err := NewService("local", NewFilesystemPersistence(root)) |
| 17 | if err != nil { |
| 18 | t.Fatal(err) |
| 19 | } |
| 20 | t.Cleanup(func() { _ = service.CloseAll(context.Background()) }) |
| 21 | runtime, err := service.Create(t.Context(), CreateOptions{SessionID: "open-view"}) |
| 22 | if err != nil { |
| 23 | t.Fatal(err) |
| 24 | } |
| 25 | appendRecoveryTestMessage(t, runtime.Session(), "message", strings.Repeat("recent", 12_000)) |
| 26 | if _, err := runtime.Session().Flush(t.Context()); err != nil { |
| 27 | t.Fatal(err) |
| 28 | } |
| 29 | recentInfo, err := os.Stat(filepath.Join(recoveryCacheDir(filepath.Join(root, "open-view")), recentSnapshotName)) |
| 30 | if err != nil { |
| 31 | t.Fatal(err) |
| 32 | } |
| 33 | if recentInfo.Size() > recentResponseBytes+(64<<10) { |
| 34 | t.Fatalf("recent snapshot size=%d", recentInfo.Size()) |
| 35 | } |
| 36 | ref := runtime.Ref() |
| 37 | if err := service.Close(t.Context(), ref); err != nil { |
| 38 | t.Fatal(err) |
| 39 | } |
| 40 | if err := os.RemoveAll(filepath.Join(root, ".query-cache", ref.SessionID)); err != nil { |
| 41 | t.Fatal(err) |
| 42 | } |
| 43 | |
| 44 | view, err := service.OpenSession(t.Context(), ref) |
| 45 | if err != nil { |
| 46 | t.Fatal(err) |
| 47 | } |
| 48 | if view.Recovery != PreparationPreparing || view.CanExecute || view.StorageGeneration == "" || len(view.Recent.Entries) != 1 { |
| 49 | t.Fatalf("cold open view = %+v", view) |
| 50 | } |
| 51 | refContent := view.Recent.Entries[0].ContentRef |
| 52 | if refContent == nil { |
| 53 | t.Fatal("large recent message was not replaced with a content reference") |
| 54 | } |
| 55 | var preview provider.Message |
| 56 | if err := json.Unmarshal(view.Recent.Entries[0].Inline, &preview); err != nil { |
| 57 | t.Fatalf("decode recent preview: %v", err) |
| 58 | } |
| 59 | if preview.Content == "" || len(preview.Content) >= len(strings.Repeat("recent", 12_000)) { |
| 60 | t.Fatalf("recent preview content length=%d", len(preview.Content)) |
| 61 | } |
| 62 | data, err := service.Query().ReadContent(t.Context(), ref, *refContent, 0, 32) |
| 63 | if err != nil || len(data) != 32 { |
| 64 | t.Fatalf("read recent content without indexes: bytes=%d err=%v", len(data), err) |
| 65 | } |
| 66 | inspection, err := service.Query().InspectSession(t.Context(), ref) |
| 67 | if err != nil || inspection.Commits != 1 || inspection.Events != 1 || inspection.DurableSequence == 0 || inspection.StorageGeneration != view.StorageGeneration { |
| 68 | t.Fatalf("inspection = %+v, %v", inspection, err) |
| 69 | } |
| 70 | binding, err := service.EnsureExecution(t.Context(), ref) |
| 71 | if err != nil { |
| 72 | t.Fatal(err) |
| 73 | } |
| 74 | defer binding.Release(context.Background()) |
| 75 | live, err := service.OpenSession(t.Context(), ref) |
| 76 | if err != nil { |
| 77 | t.Fatal(err) |
| 78 | } |
| 79 | if live.Recovery != PreparationReady || !live.CanExecute || len(live.Recent.Entries) != 1 { |
| 80 | t.Fatalf("live open view = %+v", live) |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | func TestOpenSessionRejectsRecentSnapshotAfterPhysicalLogReplacement(t *testing.T) { |
| 85 | root := filepath.Join(t.TempDir(), "sessions-v4") |
| 86 | service, err := NewService("local", NewFilesystemPersistence(root)) |
| 87 | if err != nil { |
| 88 | t.Fatal(err) |
| 89 | } |
| 90 | t.Cleanup(func() { _ = service.CloseAll(context.Background()) }) |
| 91 | runtime, err := service.Create(t.Context(), CreateOptions{SessionID: "replaced"}) |
| 92 | if err != nil { |
| 93 | t.Fatal(err) |
| 94 | } |
| 95 | appendRecoveryTestMessage(t, runtime.Session(), "message", "recent") |
| 96 | if _, err := runtime.Session().Flush(t.Context()); err != nil { |
| 97 | t.Fatal(err) |
| 98 | } |
| 99 | ref := runtime.Ref() |
| 100 | if err := service.Close(t.Context(), ref); err != nil { |
| 101 | t.Fatal(err) |
| 102 | } |
| 103 | dir := filepath.Join(root, ref.SessionID) |
| 104 | manifest, err := readStoredManifest(filepath.Join(dir, "manifest.json")) |
| 105 | if err != nil { |
| 106 | t.Fatal(err) |
| 107 | } |
| 108 | log, err := os.OpenFile(logPathForManifest(dir, manifest), os.O_WRONLY, 0) |
| 109 | if err != nil { |
| 110 | t.Fatal(err) |
| 111 | } |
| 112 | if _, err := log.WriteAt([]byte("X"), 0); err != nil { |
| 113 | _ = log.Close() |
| 114 | t.Fatal(err) |
| 115 | } |
| 116 | _ = log.Close() |
| 117 | view, err := service.OpenSession(t.Context(), ref) |
| 118 | if err != nil { |
| 119 | t.Fatal(err) |
| 120 | } |
| 121 | if view.Recovery != PreparationPreparing || len(view.Recent.Entries) != 0 { |
| 122 | t.Fatalf("replaced log exposed stale recent snapshot: %+v", view) |
| 123 | } |
| 124 | } |
| 125 |