| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "encoding/json" |
| 6 | "os" |
| 7 | "os/exec" |
| 8 | "path/filepath" |
| 9 | "testing" |
| 10 | |
| 11 | "reasonix/desktop/internal/sessionui" |
| 12 | "reasonix/internal/provider" |
| 13 | ) |
| 14 | |
| 15 | // Opt-in integration gate: executables come from the tagged fixture generator, |
| 16 | // not from a current implementation pretending to be a previous reader. |
| 17 | func TestTaggedPreviousWriterRoundtrip(t *testing.T) { |
| 18 | writers := os.Getenv("REASONIX_TAGGED_WRITERS") |
| 19 | if writers == "" { |
| 20 | t.Skip("run generate-session-history-fixtures.py --writers-dir and set REASONIX_TAGGED_WRITERS") |
| 21 | } |
| 22 | for _, version := range []string{"1.38.10", "1.38.11"} { |
| 23 | t.Run(version, func(t *testing.T) { |
| 24 | a, ref := lifecycleFixture(t) |
| 25 | binding, err := a.desktopSessionService("").Open(t.Context(), ref) |
| 26 | if err != nil { |
| 27 | t.Fatal(err) |
| 28 | } |
| 29 | appendSessionTestMessage(t, binding.Runtime(), "new-writer", provider.Message{ID: "new-user", Role: provider.RoleUser, Content: "New-version history before downgrade"}) |
| 30 | if err := binding.Release(t.Context()); err != nil { |
| 31 | t.Fatal(err) |
| 32 | } |
| 33 | saved, err := a.SaveSessionComposerState(SessionComposerSaveRequest{Ref: ref, ExpectedRevision: "0", ContentVersion: 1, ContentJSON: `{"text":"input retained while old binary runs"}`}) |
| 34 | if err != nil { |
| 35 | t.Fatal(err) |
| 36 | } |
| 37 | path := a.sessionUIStore().Path() |
| 38 | if err := a.sessionUIStore().Close(); err != nil { |
| 39 | t.Fatal(err) |
| 40 | } |
| 41 | before, err := os.ReadFile(path) |
| 42 | if err != nil { |
| 43 | t.Fatal(err) |
| 44 | } |
| 45 | a.closeSessionServices() |
| 46 | sources := migrationSourceSnapshot(t, canonicalMigrationSourceFiles(a.desktopSessions.root, ref.SessionID)) |
| 47 | command := exec.CommandContext(t.Context(), filepath.Join(writers, version), filepath.Join(a.desktopSessions.root, ref.SessionID), ref.SessionID) |
| 48 | output, err := command.Output() |
| 49 | if err != nil { |
| 50 | t.Fatalf("tagged writer failed: %v\n%s", err, output) |
| 51 | } |
| 52 | var result struct{ Status string } |
| 53 | if err := json.Unmarshal(output, &result); err != nil { |
| 54 | t.Fatal(err) |
| 55 | } |
| 56 | after, err := os.ReadFile(path) |
| 57 | if err != nil || !bytes.Equal(before, after) { |
| 58 | t.Fatal("previous writer changed the independent UI database") |
| 59 | } |
| 60 | a.sessionUI = sessionui.New(path) |
| 61 | t.Cleanup(func() { _ = a.sessionUIStore().Close() }) |
| 62 | recovered, err := a.GetSessionComposerState(ref) |
| 63 | if version == "1.38.10" { |
| 64 | // #10545 raised physical storage revision 2 to 3. Registry v3 |
| 65 | // readability alone never promised whole-session downgrade safety. |
| 66 | if result.Status != "unsupported_version" || err != nil || recovered.HistoryChanged || recovered.ContentJSON != saved.ContentJSON { |
| 67 | t.Fatalf("unsafe old-reader rejection: %+v %+v %v", result, recovered, err) |
| 68 | } |
| 69 | assertMigrationSourceSnapshot(t, sources) |
| 70 | return |
| 71 | } |
| 72 | if result.Status != "continued" { |
| 73 | t.Fatalf("old reader could not continue: %+v", result) |
| 74 | } |
| 75 | if err != nil || !recovered.HistoryChanged || recovered.ContentJSON != saved.ContentJSON { |
| 76 | t.Fatalf("unsafe reupgrade after real old write: %+v %v", recovered, err) |
| 77 | } |
| 78 | if _, err := a.BeginSessionComposerSubmission(ref, recovered.Revision, "must-not-send", `{}`); err == nil { |
| 79 | t.Fatal("stale input became sendable without review") |
| 80 | } |
| 81 | history, err := a.desktopSessionService("").Query().History(t.Context(), ref) |
| 82 | if err != nil || len(history) != 3 || history[0].ID != "user" || history[1].ID != "new-user" || history[2].ID != "old-version-user" { |
| 83 | t.Fatalf("roundtrip history changed: %d messages %v", len(history), err) |
| 84 | } |
| 85 | }) |
| 86 | } |
| 87 | } |
| 88 |