| 1 | package agent |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "os" |
| 6 | "path/filepath" |
| 7 | "reflect" |
| 8 | "runtime" |
| 9 | "strings" |
| 10 | "testing" |
| 11 | |
| 12 | "reasonix/internal/provider" |
| 13 | "reasonix/internal/store" |
| 14 | ) |
| 15 | |
| 16 | // displayIndexTestMessages builds a multi-turn transcript exercising every |
| 17 | // classification the index records: plain turns, a tool call + result, an |
| 18 | // image attachment, a local-only message, a steer, and a synthetic user |
| 19 | // message. |
| 20 | func displayIndexTestMessages() []provider.Message { |
| 21 | return []provider.Message{ |
| 22 | {Role: provider.RoleSystem, Content: "system prompt"}, |
| 23 | {Role: provider.RoleUser, Content: "first question"}, |
| 24 | {Role: provider.RoleAssistant, Content: "calling a tool", ToolCalls: []provider.ToolCall{ |
| 25 | {ID: "call_1", Name: "shell", Arguments: `{"cmd":"ls"}`}, |
| 26 | }}, |
| 27 | {Role: provider.RoleTool, ToolCallID: "call_1", Name: "shell", Content: "file.go"}, |
| 28 | {Role: provider.RoleAssistant, Content: "interrupted partial", LocalOnly: true}, |
| 29 | {Role: provider.RoleUser, Content: midTurnSteerMessage("hurry up")}, |
| 30 | {Role: provider.RoleUser, Content: "Plan approved — plan mode is off. Implement the plan now."}, |
| 31 | {Role: provider.RoleUser, Content: "second question", Images: []string{"data:image/png;base64,iVBORw0KGgo="}}, |
| 32 | {Role: provider.RoleAssistant, Content: "second answer"}, |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | func displayIndexTranscriptSize(t *testing.T, msgs []provider.Message) int64 { |
| 37 | t.Helper() |
| 38 | size := int64(0) |
| 39 | for i, m := range msgs { |
| 40 | b, err := json.Marshal(m) |
| 41 | if err != nil { |
| 42 | t.Fatalf("marshal message %d: %v", i, err) |
| 43 | } |
| 44 | size += int64(len(b)) + 1 |
| 45 | } |
| 46 | return size |
| 47 | } |
| 48 | |
| 49 | func TestBuildSessionDisplayIndexRoundTrip(t *testing.T) { |
| 50 | msgs := displayIndexTestMessages() |
| 51 | digest, err := digestSessionMessages(msgs) |
| 52 | if err != nil { |
| 53 | t.Fatalf("digestSessionMessages: %v", err) |
| 54 | } |
| 55 | idx := BuildSessionDisplayIndex(msgs, 7, true, digest) |
| 56 | if idx == nil { |
| 57 | t.Fatal("BuildSessionDisplayIndex returned nil") |
| 58 | } |
| 59 | if idx.MessageCount != len(msgs) || len(idx.Entries) != len(msgs) { |
| 60 | t.Fatalf("message_count = %d, entries = %d, want %d", idx.MessageCount, len(idx.Entries), len(msgs)) |
| 61 | } |
| 62 | if idx.AuthoredTurns != 2 { |
| 63 | t.Fatalf("authored_turns = %d, want 2 (steer and synthetic messages are not turns)", idx.AuthoredTurns) |
| 64 | } |
| 65 | if idx.TranscriptSize != displayIndexTranscriptSize(t, msgs) { |
| 66 | t.Fatalf("transcript_size = %d, want %d", idx.TranscriptSize, displayIndexTranscriptSize(t, msgs)) |
| 67 | } |
| 68 | |
| 69 | path := filepath.Join(t.TempDir(), "session.display-index.json") |
| 70 | if err := WriteSessionDisplayIndex(path, idx); err != nil { |
| 71 | t.Fatalf("WriteSessionDisplayIndex: %v", err) |
| 72 | } |
| 73 | loaded, err := LoadSessionDisplayIndex(path) |
| 74 | if err != nil { |
| 75 | t.Fatalf("LoadSessionDisplayIndex: %v", err) |
| 76 | } |
| 77 | if !reflect.DeepEqual(loaded, idx) { |
| 78 | t.Fatalf("round trip mismatch:\n got %+v\nwant %+v", loaded, idx) |
| 79 | } |
| 80 | if !ValidateSessionDisplayIndex(loaded, 7, true, digest, idx.TranscriptSize) { |
| 81 | t.Fatal("ValidateSessionDisplayIndex rejected a fresh index") |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | func TestLoadSessionPreviewFromDisplayIndexReadsFirstAuthoredRange(t *testing.T) { |
| 86 | path := filepath.Join(t.TempDir(), "session.jsonl") |
| 87 | session := NewSession("system prompt") |
| 88 | session.Add(provider.Message{Role: provider.RoleUser, Content: "first question"}) |
| 89 | session.Add(provider.Message{Role: provider.RoleAssistant, Content: strings.Repeat("answer", 10_000)}) |
| 90 | session.Add(provider.Message{Role: provider.RoleUser, Content: "second question"}) |
| 91 | if err := session.SaveSnapshot(path); err != nil { |
| 92 | t.Fatalf("SaveSnapshot: %v", err) |
| 93 | } |
| 94 | |
| 95 | preview, ok, err := LoadSessionPreviewFromDisplayIndex(path) |
| 96 | if err != nil || !ok || preview != "first question" { |
| 97 | t.Fatalf("preview = %q, ok=%v, err=%v", preview, ok, err) |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | func TestSessionDisplayIndexOffsetsMatchTranscript(t *testing.T) { |
| 102 | msgs := displayIndexTestMessages() |
| 103 | path := filepath.Join(t.TempDir(), "session.jsonl") |
| 104 | if err := writeSessionMessages(path, msgs); err != nil { |
| 105 | t.Fatalf("writeSessionMessages: %v", err) |
| 106 | } |
| 107 | raw, err := os.ReadFile(path) |
| 108 | if err != nil { |
| 109 | t.Fatalf("ReadFile: %v", err) |
| 110 | } |
| 111 | digest, err := digestSessionMessages(msgs) |
| 112 | if err != nil { |
| 113 | t.Fatalf("digestSessionMessages: %v", err) |
| 114 | } |
| 115 | idx := BuildSessionDisplayIndex(msgs, 1, true, digest) |
| 116 | if idx == nil { |
| 117 | t.Fatal("BuildSessionDisplayIndex returned nil") |
| 118 | } |
| 119 | if int64(len(raw)) != idx.TranscriptSize { |
| 120 | t.Fatalf("file size = %d, transcript_size = %d", len(raw), idx.TranscriptSize) |
| 121 | } |
| 122 | for _, entry := range idx.Entries { |
| 123 | end := entry.Offset + entry.Length |
| 124 | if end > int64(len(raw)) { |
| 125 | t.Fatalf("entry %d range [%d,%d) exceeds file size %d", entry.Index, entry.Offset, end, len(raw)) |
| 126 | } |
| 127 | line := raw[entry.Offset:end] |
| 128 | if line[len(line)-1] != '\n' { |
| 129 | t.Fatalf("entry %d line does not end with newline", entry.Index) |
| 130 | } |
| 131 | var m provider.Message |
| 132 | if err := json.Unmarshal(line, &m); err != nil { |
| 133 | t.Fatalf("entry %d line does not decode: %v", entry.Index, err) |
| 134 | } |
| 135 | if m.Role != msgs[entry.Index].Role { |
| 136 | t.Errorf("entry %d role = %q, want %q", entry.Index, m.Role, msgs[entry.Index].Role) |
| 137 | } |
| 138 | if want := msgs[entry.Index].Content; len(want) > 0 && !strings.HasPrefix(m.Content, want[:min(len(want), 16)]) { |
| 139 | t.Errorf("entry %d content = %q, want prefix of %q", entry.Index, m.Content, want) |
| 140 | } |
| 141 | } |
| 142 | // Spot-check the classification flags. |
| 143 | wantFlags := map[int]DisplayIndexEntry{ |
| 144 | 1: {Role: provider.RoleUser, AuthoredTurn: 1, StartsTurn: true}, |
| 145 | 2: {Role: provider.RoleAssistant, AuthoredTurn: 1, HasToolCalls: true}, |
| 146 | 3: {Role: provider.RoleTool, AuthoredTurn: 1, ToolResult: true}, |
| 147 | 4: {Role: provider.RoleAssistant, AuthoredTurn: 1, LocalOnly: true}, |
| 148 | 5: {Role: provider.RoleUser, AuthoredTurn: 1, Steer: true}, |
| 149 | 6: {Role: provider.RoleUser, AuthoredTurn: 1, Synthetic: true}, |
| 150 | 7: {Role: provider.RoleUser, AuthoredTurn: 2, StartsTurn: true, HasImages: true}, |
| 151 | 8: {Role: provider.RoleAssistant, AuthoredTurn: 2}, |
| 152 | } |
| 153 | for i, want := range wantFlags { |
| 154 | got := idx.Entries[i] |
| 155 | if got.Role != want.Role || got.AuthoredTurn != want.AuthoredTurn || |
| 156 | got.StartsTurn != want.StartsTurn || got.HasToolCalls != want.HasToolCalls || |
| 157 | got.ToolResult != want.ToolResult || got.LocalOnly != want.LocalOnly || |
| 158 | got.Steer != want.Steer || got.Synthetic != want.Synthetic || got.HasImages != want.HasImages { |
| 159 | t.Errorf("entry %d = %+v, want flags %+v", i, got, want) |
| 160 | } |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | func TestSessionDisplayIndexIncrementalAppend(t *testing.T) { |
| 165 | path := filepath.Join(t.TempDir(), "session.jsonl") |
| 166 | base := NewSession("sys") |
| 167 | base.Add(provider.Message{Role: provider.RoleUser, Content: "first"}) |
| 168 | if err := base.SaveSnapshot(path); err != nil { |
| 169 | t.Fatalf("SaveSnapshot base: %v", err) |
| 170 | } |
| 171 | indexPath := store.SessionDisplayIndex(path) |
| 172 | before, err := LoadSessionDisplayIndex(indexPath) |
| 173 | if err != nil { |
| 174 | t.Fatalf("LoadSessionDisplayIndex before append: %v", err) |
| 175 | } |
| 176 | if before.MessageCount != 2 { |
| 177 | t.Fatalf("message_count before append = %d, want 2", before.MessageCount) |
| 178 | } |
| 179 | |
| 180 | next, err := LoadSession(path) |
| 181 | if err != nil { |
| 182 | t.Fatalf("LoadSession: %v", err) |
| 183 | } |
| 184 | next.Add(provider.Message{Role: provider.RoleAssistant, Content: "one"}) |
| 185 | next.Add(provider.Message{Role: provider.RoleUser, Content: "second"}) |
| 186 | if err := next.SaveSnapshot(path); err != nil { |
| 187 | t.Fatalf("SaveSnapshot append: %v", err) |
| 188 | } |
| 189 | after, err := LoadSessionDisplayIndex(indexPath) |
| 190 | if err != nil { |
| 191 | t.Fatalf("LoadSessionDisplayIndex after append: %v", err) |
| 192 | } |
| 193 | if after.MessageCount != 4 { |
| 194 | t.Fatalf("message_count after append = %d, want 4", after.MessageCount) |
| 195 | } |
| 196 | if after.Revision != before.Revision+1 { |
| 197 | t.Fatalf("revision = %d, want base %d + 1", after.Revision, before.Revision) |
| 198 | } |
| 199 | if !reflect.DeepEqual(after.Entries[:before.MessageCount], before.Entries) { |
| 200 | t.Fatalf("prefix entries changed across append:\nbefore %+v\nafter %+v", before.Entries, after.Entries[:before.MessageCount]) |
| 201 | } |
| 202 | if after.Entries[3].AuthoredTurn != 2 || !after.Entries[3].StartsTurn { |
| 203 | t.Fatalf("appended user entry = %+v, want authored_turn 2 starting the turn", after.Entries[3]) |
| 204 | } |
| 205 | msgs, _, _, err := loadSessionMessages(path) |
| 206 | if err != nil { |
| 207 | t.Fatalf("loadSessionMessages: %v", err) |
| 208 | } |
| 209 | digest, err := digestSessionMessages(msgs) |
| 210 | if err != nil { |
| 211 | t.Fatalf("digestSessionMessages: %v", err) |
| 212 | } |
| 213 | if !ValidateSessionDisplayIndex(after, after.Revision, true, digest, after.TranscriptSize) { |
| 214 | t.Fatal("appended index does not validate against the persisted transcript") |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | func TestSessionDisplayIndexRewriteInvalidates(t *testing.T) { |
| 219 | path := filepath.Join(t.TempDir(), "session.jsonl") |
| 220 | s := NewSession("sys") |
| 221 | s.Add(provider.Message{Role: provider.RoleUser, Content: "first"}) |
| 222 | s.Add(provider.Message{Role: provider.RoleAssistant, Content: "one"}) |
| 223 | if err := s.SaveSnapshot(path); err != nil { |
| 224 | t.Fatalf("SaveSnapshot: %v", err) |
| 225 | } |
| 226 | indexPath := store.SessionDisplayIndex(path) |
| 227 | stale, err := LoadSessionDisplayIndex(indexPath) |
| 228 | if err != nil { |
| 229 | t.Fatalf("LoadSessionDisplayIndex: %v", err) |
| 230 | } |
| 231 | |
| 232 | // Rewind/compaction shape: the history shrinks, so revision and digest move. |
| 233 | s.Rewrite(s.Messages[:2], "rewind") |
| 234 | if err := s.SaveRewrite(path); err != nil { |
| 235 | t.Fatalf("SaveRewrite: %v", err) |
| 236 | } |
| 237 | revision, _, err := sessionContentRevision(path) |
| 238 | if err != nil { |
| 239 | t.Fatalf("sessionContentRevision: %v", err) |
| 240 | } |
| 241 | digest, err := digestSessionMessages(s.Messages[:2]) |
| 242 | if err != nil { |
| 243 | t.Fatalf("digestSessionMessages: %v", err) |
| 244 | } |
| 245 | if ValidateSessionDisplayIndex(stale, revision, true, digest, displayIndexTranscriptSize(t, s.Messages[:2])) { |
| 246 | t.Fatal("stale index still validates after rewrite") |
| 247 | } |
| 248 | fresh, err := LoadSessionDisplayIndex(indexPath) |
| 249 | if err != nil { |
| 250 | t.Fatalf("LoadSessionDisplayIndex after rewrite: %v", err) |
| 251 | } |
| 252 | if fresh.MessageCount != 2 { |
| 253 | t.Fatalf("message_count after rewrite = %d, want 2", fresh.MessageCount) |
| 254 | } |
| 255 | if !ValidateSessionDisplayIndex(fresh, revision, true, digest, displayIndexTranscriptSize(t, s.Messages[:2])) { |
| 256 | t.Fatal("rebuilt index does not validate after rewrite") |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | func TestScanSessionDisplayIndexParity(t *testing.T) { |
| 261 | msgs := displayIndexTestMessages() |
| 262 | path := filepath.Join(t.TempDir(), "session.jsonl") |
| 263 | if err := writeSessionMessages(path, msgs); err != nil { |
| 264 | t.Fatalf("writeSessionMessages: %v", err) |
| 265 | } |
| 266 | digest, err := digestSessionMessages(msgs) |
| 267 | if err != nil { |
| 268 | t.Fatalf("digestSessionMessages: %v", err) |
| 269 | } |
| 270 | built := BuildSessionDisplayIndex(msgs, 3, true, digest) |
| 271 | if built == nil { |
| 272 | t.Fatal("BuildSessionDisplayIndex returned nil") |
| 273 | } |
| 274 | scanned, err := ScanSessionDisplayIndex(path) |
| 275 | if err != nil { |
| 276 | t.Fatalf("ScanSessionDisplayIndex: %v", err) |
| 277 | } |
| 278 | if !reflect.DeepEqual(scanned.Entries, built.Entries) { |
| 279 | t.Fatalf("scanner entries diverge from builder:\nscanned %+v\nbuilt %+v", scanned.Entries, built.Entries) |
| 280 | } |
| 281 | if scanned.MessageCount != built.MessageCount || |
| 282 | scanned.AuthoredTurns != built.AuthoredTurns || |
| 283 | scanned.TranscriptSize != built.TranscriptSize || |
| 284 | scanned.ContentDigest != built.ContentDigest { |
| 285 | t.Fatalf("scanner header = (%d, %d, %d, %q), want (%d, %d, %d, %q)", |
| 286 | scanned.MessageCount, scanned.AuthoredTurns, scanned.TranscriptSize, scanned.ContentDigest, |
| 287 | built.MessageCount, built.AuthoredTurns, built.TranscriptSize, built.ContentDigest) |
| 288 | } |
| 289 | if scanned.RevisionKnown { |
| 290 | t.Fatal("scanned index must not claim a revision; the transcript does not carry one") |
| 291 | } |
| 292 | // A scanned index validates against the transcript it scanned. |
| 293 | if !ValidateSessionDisplayIndex(scanned, 0, false, digest, built.TranscriptSize) { |
| 294 | t.Fatal("scanned index does not validate against its own transcript") |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | func TestScanSessionDisplayIndexRejectsUnboundedLine(t *testing.T) { |
| 299 | path := filepath.Join(t.TempDir(), "oversized.jsonl") |
| 300 | // Keep the payload syntactically irrelevant: the scanner must reject the |
| 301 | // record before json.Unmarshal gets a chance to materialize it. |
| 302 | if err := os.WriteFile(path, append(make([]byte, sessionDisplayIndexMaxLineBytes+1), '\n'), 0o600); err != nil { |
| 303 | t.Fatalf("WriteFile: %v", err) |
| 304 | } |
| 305 | if _, err := ScanSessionDisplayIndex(path); err == nil { |
| 306 | t.Fatal("ScanSessionDisplayIndex accepted a line over the safety limit") |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | func TestLoadSessionDisplayIndexCorrupt(t *testing.T) { |
| 311 | dir := t.TempDir() |
| 312 | truncated := filepath.Join(dir, "truncated.display-index.json") |
| 313 | if err := os.WriteFile(truncated, []byte(`{"schema_version":1,"revision":`), 0o600); err != nil { |
| 314 | t.Fatalf("WriteFile truncated: %v", err) |
| 315 | } |
| 316 | if _, err := LoadSessionDisplayIndex(truncated); err == nil { |
| 317 | t.Fatal("LoadSessionDisplayIndex accepted truncated JSON") |
| 318 | } |
| 319 | wrongSchema := filepath.Join(dir, "schema.display-index.json") |
| 320 | if err := os.WriteFile(wrongSchema, []byte(`{"schema_version":999,"message_count":0,"entries":[]}`), 0o600); err != nil { |
| 321 | t.Fatalf("WriteFile wrong schema: %v", err) |
| 322 | } |
| 323 | if _, err := LoadSessionDisplayIndex(wrongSchema); err == nil { |
| 324 | t.Fatal("LoadSessionDisplayIndex accepted schema_version 999") |
| 325 | } |
| 326 | countMismatch := filepath.Join(dir, "count.display-index.json") |
| 327 | if err := os.WriteFile(countMismatch, []byte(`{"schema_version":1,"message_count":2,"entries":[]}`), 0o600); err != nil { |
| 328 | t.Fatalf("WriteFile count mismatch: %v", err) |
| 329 | } |
| 330 | if _, err := LoadSessionDisplayIndex(countMismatch); err == nil { |
| 331 | t.Fatal("LoadSessionDisplayIndex accepted message_count/entries mismatch") |
| 332 | } |
| 333 | badRange := filepath.Join(dir, "range.display-index.json") |
| 334 | if err := os.WriteFile(badRange, []byte(`{"schema_version":1,"transcript_size":10,"message_count":1,"entries":[{"index":0,"offset":1,"length":9}]}`), 0o600); err != nil { |
| 335 | t.Fatalf("WriteFile bad range: %v", err) |
| 336 | } |
| 337 | if _, err := LoadSessionDisplayIndex(badRange); err == nil { |
| 338 | t.Fatal("LoadSessionDisplayIndex accepted a non-contiguous offset range") |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | func TestRepairSessionDisplayReadModelFromAuthoritativeEventLog(t *testing.T) { |
| 343 | path := filepath.Join(t.TempDir(), "repair.jsonl") |
| 344 | s := NewSession("sys") |
| 345 | s.Add(provider.Message{Role: provider.RoleUser, Content: "first"}) |
| 346 | if err := s.SaveSnapshot(path); err != nil { |
| 347 | t.Fatalf("SaveSnapshot base: %v", err) |
| 348 | } |
| 349 | oldModel, err := os.ReadFile(path) |
| 350 | if err != nil { |
| 351 | t.Fatalf("read old model: %v", err) |
| 352 | } |
| 353 | oldIndex, err := os.ReadFile(store.SessionDisplayIndex(path)) |
| 354 | if err != nil { |
| 355 | t.Fatalf("read old index: %v", err) |
| 356 | } |
| 357 | s.Add(provider.Message{Role: provider.RoleAssistant, Content: "new tail"}) |
| 358 | if err := s.SaveSnapshot(path); err != nil { |
| 359 | t.Fatalf("SaveSnapshot tail: %v", err) |
| 360 | } |
| 361 | if err := os.WriteFile(path, oldModel, 0o600); err != nil { |
| 362 | t.Fatalf("restore stale model: %v", err) |
| 363 | } |
| 364 | if err := os.WriteFile(store.SessionDisplayIndex(path), oldIndex, 0o600); err != nil { |
| 365 | t.Fatalf("restore stale index: %v", err) |
| 366 | } |
| 367 | |
| 368 | msgs, state, repairable, err := LoadSessionDisplayMessages(path) |
| 369 | if err != nil || !repairable { |
| 370 | t.Fatalf("LoadSessionDisplayMessages = (%d, %+v, %v, %v)", len(msgs), state, repairable, err) |
| 371 | } |
| 372 | if len(msgs) != 3 || msgs[2].Content != "new tail" { |
| 373 | t.Fatalf("authoritative messages = %+v, want event-log tail", msgs) |
| 374 | } |
| 375 | if err := RepairSessionDisplayReadModel(path); err != nil { |
| 376 | t.Fatalf("RepairSessionDisplayReadModel: %v", err) |
| 377 | } |
| 378 | repaired, err := loadSessionMessagesFromJSONL(path, nil) |
| 379 | if err != nil || !reflect.DeepEqual(repaired, msgs) { |
| 380 | t.Fatalf("repaired model = %+v, err %v; want %+v", repaired, err, msgs) |
| 381 | } |
| 382 | idx, err := LoadSessionDisplayIndex(store.SessionDisplayIndex(path)) |
| 383 | if err != nil { |
| 384 | t.Fatalf("LoadSessionDisplayIndex repaired: %v", err) |
| 385 | } |
| 386 | info, err := os.Stat(path) |
| 387 | if err != nil { |
| 388 | t.Fatal(err) |
| 389 | } |
| 390 | if !ValidateSessionDisplayIndex(idx, state.Revision, state.RevisionKnown, state.Digest, info.Size()) { |
| 391 | t.Fatalf("repaired index does not match read model: %+v", idx) |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | func TestValidateSessionDisplayIndexMismatch(t *testing.T) { |
| 396 | msgs := displayIndexTestMessages() |
| 397 | digest, err := digestSessionMessages(msgs) |
| 398 | if err != nil { |
| 399 | t.Fatalf("digestSessionMessages: %v", err) |
| 400 | } |
| 401 | size := displayIndexTranscriptSize(t, msgs) |
| 402 | idx := BuildSessionDisplayIndex(msgs, 4, true, digest) |
| 403 | if idx == nil { |
| 404 | t.Fatal("BuildSessionDisplayIndex returned nil") |
| 405 | } |
| 406 | if ValidateSessionDisplayIndex(nil, 4, true, digest, size) { |
| 407 | t.Fatal("nil index validated") |
| 408 | } |
| 409 | otherDigest, err := digestSessionMessages(msgs[:2]) |
| 410 | if err != nil { |
| 411 | t.Fatalf("digestSessionMessages prefix: %v", err) |
| 412 | } |
| 413 | if ValidateSessionDisplayIndex(idx, 4, true, otherDigest, size) { |
| 414 | t.Fatal("index validated against a foreign digest") |
| 415 | } |
| 416 | if ValidateSessionDisplayIndex(idx, 5, true, digest, size) { |
| 417 | t.Fatal("index validated against a foreign revision") |
| 418 | } |
| 419 | if ValidateSessionDisplayIndex(idx, 4, true, digest, size-1) { |
| 420 | t.Fatal("index validated against a foreign transcript size") |
| 421 | } |
| 422 | if ValidateSessionDisplayIndex(idx, 0, false, digest, size) { |
| 423 | t.Fatal("index with a known revision validated as revision-unknown") |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | func TestWriteSessionDisplayIndexPermissions(t *testing.T) { |
| 428 | if runtime.GOOS == "windows" { |
| 429 | t.Skip("Windows does not expose POSIX permission bits") |
| 430 | } |
| 431 | |
| 432 | msgs := displayIndexTestMessages() |
| 433 | digest, err := digestSessionMessages(msgs) |
| 434 | if err != nil { |
| 435 | t.Fatalf("digestSessionMessages: %v", err) |
| 436 | } |
| 437 | idx := BuildSessionDisplayIndex(msgs, 1, true, digest) |
| 438 | if idx == nil { |
| 439 | t.Fatal("BuildSessionDisplayIndex returned nil") |
| 440 | } |
| 441 | path := filepath.Join(t.TempDir(), "session.display-index.json") |
| 442 | if err := WriteSessionDisplayIndex(path, idx); err != nil { |
| 443 | t.Fatalf("WriteSessionDisplayIndex: %v", err) |
| 444 | } |
| 445 | info, err := os.Stat(path) |
| 446 | if err != nil { |
| 447 | t.Fatalf("Stat: %v", err) |
| 448 | } |
| 449 | if perm := info.Mode().Perm(); perm != 0o600 { |
| 450 | t.Fatalf("permissions = %o, want 600", perm) |
| 451 | } |
| 452 | // Rewriting an existing index keeps the tight permissions. |
| 453 | if err := WriteSessionDisplayIndex(path, idx); err != nil { |
| 454 | t.Fatalf("WriteSessionDisplayIndex rewrite: %v", err) |
| 455 | } |
| 456 | info, err = os.Stat(path) |
| 457 | if err != nil { |
| 458 | t.Fatalf("Stat after rewrite: %v", err) |
| 459 | } |
| 460 | if perm := info.Mode().Perm(); perm != 0o600 { |
| 461 | t.Fatalf("permissions after rewrite = %o, want 600", perm) |
| 462 | } |
| 463 | } |
| 464 |