| 1 | package agent |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "os" |
| 6 | "path/filepath" |
| 7 | "testing" |
| 8 | |
| 9 | "reasonix/internal/provider" |
| 10 | "reasonix/internal/store" |
| 11 | ) |
| 12 | |
| 13 | func TestMigrateLegacySessionsRehomesNativeWALAheadOfCheckpoint(t *testing.T) { |
| 14 | useSchemaOneLog(t) |
| 15 | src := t.TempDir() |
| 16 | global := t.TempDir() |
| 17 | workspace := t.TempDir() |
| 18 | projRoot := t.TempDir() |
| 19 | router := func(ws string) string { return filepath.Join(projRoot, filepath.Base(ws), "sessions") } |
| 20 | srcLog := filepath.Join(src, "chat-1.events.jsonl") |
| 21 | if err := os.WriteFile(srcLog, []byte(legacyEventLog), 0o644); err != nil { |
| 22 | t.Fatal(err) |
| 23 | } |
| 24 | writeLegacyMeta(t, src, "chat-1", workspace, "native flat import") |
| 25 | |
| 26 | flat := filepath.Join(global, "chat-1.jsonl") |
| 27 | base := NewSession("system prompt") |
| 28 | base.Add(provider.Message{Role: provider.RoleUser, Content: "checkpoint"}) |
| 29 | if err := base.Save(flat); err != nil { |
| 30 | t.Fatalf("seed native flat session: %v", err) |
| 31 | } |
| 32 | loaded, err := LoadSession(flat) |
| 33 | if err != nil { |
| 34 | t.Fatalf("load native flat session: %v", err) |
| 35 | } |
| 36 | loaded.Add(provider.Message{Role: provider.RoleAssistant, Content: "WAL tail survives migration"}) |
| 37 | // Normal append saves make the WAL authoritative before the compatibility |
| 38 | // checkpoint catches up. Migration must copy that WAL-backed view. |
| 39 | if err := loaded.SaveSnapshot(flat); err != nil { |
| 40 | t.Fatalf("append native flat session: %v", err) |
| 41 | } |
| 42 | pinned := map[string]any{"schemaVersion": 1, "sessionId": "chat-1", "files": []string{"README.md"}} |
| 43 | pinnedRaw, err := json.Marshal(pinned) |
| 44 | if err != nil { |
| 45 | t.Fatal(err) |
| 46 | } |
| 47 | if err := os.WriteFile(store.SessionPinnedContext(flat), pinnedRaw, 0o600); err != nil { |
| 48 | t.Fatal(err) |
| 49 | } |
| 50 | info, err := os.Stat(srcLog) |
| 51 | if err != nil { |
| 52 | t.Fatalf("legacy source log: %v", err) |
| 53 | } |
| 54 | if err := os.Chtimes(flat, info.ModTime(), info.ModTime()); err != nil { |
| 55 | t.Fatalf("align flat import mtime: %v", err) |
| 56 | } |
| 57 | |
| 58 | n, err := MigrateLegacySessions(src, global, router) |
| 59 | if err != nil || n != 1 { |
| 60 | t.Fatalf("migrate native flat session: n=%d err=%v, want 1 nil", n, err) |
| 61 | } |
| 62 | dest := filepath.Join(projRoot, filepath.Base(workspace), "sessions", "chat-1.jsonl") |
| 63 | migrated, err := LoadSession(dest) |
| 64 | if err != nil { |
| 65 | t.Fatalf("load re-homed native session: %v", err) |
| 66 | } |
| 67 | if got := migrated.Messages[len(migrated.Messages)-1].Content; got != "WAL tail survives migration" { |
| 68 | t.Fatalf("re-homed session lost WAL tail: got %q", got) |
| 69 | } |
| 70 | if _, err := os.Stat(flat); !os.IsNotExist(err) { |
| 71 | t.Errorf("native flat checkpoint should be retired: %v", err) |
| 72 | } |
| 73 | if _, err := os.Stat(store.SessionEventLog(flat)); !os.IsNotExist(err) { |
| 74 | t.Errorf("native flat WAL should be retired: %v", err) |
| 75 | } |
| 76 | migratedPinnedRaw, err := os.ReadFile(store.SessionPinnedContext(dest)) |
| 77 | if err != nil { |
| 78 | t.Fatalf("read migrated pinned sidecar: %v", err) |
| 79 | } |
| 80 | var migratedPinned map[string]any |
| 81 | if err := json.Unmarshal(migratedPinnedRaw, &migratedPinned); err != nil { |
| 82 | t.Fatal(err) |
| 83 | } |
| 84 | if migratedPinned["sessionId"] != "chat-1" { |
| 85 | t.Fatalf("migrated pinned sessionId = %v", migratedPinned["sessionId"]) |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | func TestMigratePinnedContextSidecarRewritesSessionIDAndPreservesFields(t *testing.T) { |
| 90 | dir := t.TempDir() |
| 91 | oldPath := filepath.Join(dir, "old.jsonl") |
| 92 | newPath := filepath.Join(dir, "new.jsonl") |
| 93 | raw := []byte(`{"schemaVersion":1,"sessionId":"old","files":["README.md"],"future":{"keep":true}}`) |
| 94 | if err := os.WriteFile(store.SessionPinnedContext(oldPath), raw, 0o600); err != nil { |
| 95 | t.Fatal(err) |
| 96 | } |
| 97 | if err := migratePinnedContextSidecar(oldPath, newPath, "new"); err != nil { |
| 98 | t.Fatal(err) |
| 99 | } |
| 100 | migratedRaw, err := os.ReadFile(store.SessionPinnedContext(newPath)) |
| 101 | if err != nil { |
| 102 | t.Fatal(err) |
| 103 | } |
| 104 | var migrated map[string]any |
| 105 | if err := json.Unmarshal(migratedRaw, &migrated); err != nil { |
| 106 | t.Fatal(err) |
| 107 | } |
| 108 | if migrated["sessionId"] != "new" || migrated["future"] == nil { |
| 109 | t.Fatalf("migrated sidecar = %v", migrated) |
| 110 | } |
| 111 | if _, err := os.Stat(store.SessionPinnedContext(oldPath)); !os.IsNotExist(err) { |
| 112 | t.Fatalf("old sidecar survived migration: %v", err) |
| 113 | } |
| 114 | } |
| 115 |