| 1 | package session |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "context" |
| 6 | "encoding/json" |
| 7 | "errors" |
| 8 | "io" |
| 9 | "os" |
| 10 | "path/filepath" |
| 11 | "runtime" |
| 12 | "testing" |
| 13 | "time" |
| 14 | |
| 15 | "reasonix/internal/filelock" |
| 16 | "reasonix/internal/provider" |
| 17 | ) |
| 18 | |
| 19 | // owner grants host authority for an exact instance. Tests use it wherever a |
| 20 | // host would retire a runtime it published itself. |
| 21 | func owner(t *testing.T, service *Service, runtime *Runtime) *RuntimeOwner { |
| 22 | t.Helper() |
| 23 | grant, err := service.Owner(runtime) |
| 24 | if err != nil { |
| 25 | t.Fatalf("owner grant: %v", err) |
| 26 | } |
| 27 | return grant |
| 28 | } |
| 29 | |
| 30 | func reviewRuntime(t *testing.T) (*Service, *Runtime) { |
| 31 | t.Helper() |
| 32 | service, err := NewService("local", NewFilesystemPersistence(filepath.Join(t.TempDir(), "sessions-v4"))) |
| 33 | if err != nil { |
| 34 | t.Fatal(err) |
| 35 | } |
| 36 | t.Cleanup(func() { _ = service.CloseAll(context.Background()) }) |
| 37 | runtime, err := service.Create(t.Context(), CreateOptions{SessionID: "review"}) |
| 38 | if err != nil { |
| 39 | t.Fatal(err) |
| 40 | } |
| 41 | t.Cleanup(func() { _ = runtime.close(context.Background()) }) |
| 42 | return service, runtime |
| 43 | } |
| 44 | |
| 45 | func TestStateSnapshotOmitsHistory(t *testing.T) { |
| 46 | _, runtime := reviewRuntime(t) |
| 47 | payload, err := json.Marshal(map[string]any{"message": provider.Message{ID: "visible", Role: provider.RoleUser, Content: "hello"}}) |
| 48 | if err != nil { |
| 49 | t.Fatal(err) |
| 50 | } |
| 51 | if _, err := runtime.Session().AppendBatch(t.Context(), "message", []Event{{Kind: "message/complete", Payload: payload}}); err != nil { |
| 52 | t.Fatal(err) |
| 53 | } |
| 54 | state := runtime.StateSnapshot().Session |
| 55 | if state.EventSequence != 1 || len(state.Projection.Messages) != 0 || len(state.Projection.ModelMessages) != 0 { |
| 56 | t.Fatalf("activity snapshot includes history or loses its sequence: %+v", state) |
| 57 | } |
| 58 | if len(runtime.Snapshot().Session.Projection.Messages) != 1 { |
| 59 | t.Fatal("state snapshot changed the stored history") |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | func TestSessionIdentityRejectsPathsWithoutCreatingFiles(t *testing.T) { |
| 64 | persistence := NewFilesystemPersistence(t.TempDir()) |
| 65 | for _, id := range []string{"..", "../escape", "a/b", `a\b`, "/absolute", ".hidden", "CON", "com1.log", "bad:name", ".", ""} { |
| 66 | if _, err := persistence.Open(id, ReadWrite); err == nil { |
| 67 | t.Fatalf("accepted path as identity: %q", id) |
| 68 | } |
| 69 | } |
| 70 | entries, err := os.ReadDir(persistence.Root) |
| 71 | if err != nil || len(entries) != 0 { |
| 72 | t.Fatalf("invalid opens changed the root: %v, %v", entries, err) |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | func TestSessionIdentityRejectsSymlinkOutsideRoot(t *testing.T) { |
| 77 | base := t.TempDir() |
| 78 | outside := filepath.Join(base, "outside") |
| 79 | store, err := CreateStore(outside, "escape") |
| 80 | if err != nil { |
| 81 | t.Fatal(err) |
| 82 | } |
| 83 | if err := store.Close(t.Context()); err != nil { |
| 84 | t.Fatal(err) |
| 85 | } |
| 86 | root := filepath.Join(base, "sessions-v4") |
| 87 | if err := os.MkdirAll(root, 0o700); err != nil { |
| 88 | t.Fatal(err) |
| 89 | } |
| 90 | if err := os.Symlink(outside, filepath.Join(root, "escape")); err != nil { |
| 91 | t.Skipf("symlink unavailable: %v", err) |
| 92 | } |
| 93 | persistence := NewFilesystemPersistence(root) |
| 94 | if _, err := persistence.Stat(t.Context(), "escape"); err == nil { |
| 95 | t.Fatal("metadata lookup followed a session symlink outside the store root") |
| 96 | } |
| 97 | if _, err := persistence.Open("escape", ReadOnly); err == nil { |
| 98 | t.Fatal("read-only open followed a session symlink outside the store root") |
| 99 | } |
| 100 | if err := persistence.Delete(t.Context(), "escape"); err == nil { |
| 101 | t.Fatal("delete followed a session symlink outside the store root") |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | func TestDirectoryOwnershipExcludesWriterDuringRename(t *testing.T) { |
| 106 | _, runtime := reviewRuntime(t) |
| 107 | store := runtime.Session().Handle().(*Store) |
| 108 | if err := runtime.close(t.Context()); err != nil { |
| 109 | t.Fatal(err) |
| 110 | } |
| 111 | release, err := filelock.Acquire(t.Context(), directoryOwnershipPath(store.dir)) |
| 112 | if err != nil { |
| 113 | t.Fatal(err) |
| 114 | } |
| 115 | defer release() |
| 116 | if reopened, err := Open(store.dir, store.SessionID()); !errors.Is(err, ErrWriterOwned) { |
| 117 | if reopened != nil { |
| 118 | _ = reopened.Close(t.Context()) |
| 119 | } |
| 120 | t.Fatalf("writer entered the directory transition: %v", err) |
| 121 | } |
| 122 | // The ownership file stays outside the moved tree, including on Windows. |
| 123 | if err := os.Rename(store.dir, store.dir+"-removed"); err != nil { |
| 124 | t.Fatalf("directory ownership prevents rename: %v", err) |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | func TestCancelReceiptDoesNotWaitForSessionProjection(t *testing.T) { |
| 129 | service, runtime := reviewRuntime(t) |
| 130 | ctx, _ := bindTestExecution(t, runtime, "model") |
| 131 | store := runtime.Session().Handle().(*Store) |
| 132 | store.mu.Lock() |
| 133 | defer store.mu.Unlock() |
| 134 | done := make(chan error, 1) |
| 135 | go func() { _, err := service.CancelSession(runtime.Ref()); done <- err }() |
| 136 | select { |
| 137 | case err := <-done: |
| 138 | if err != nil || !errors.Is(ctx.Err(), context.Canceled) { |
| 139 | t.Fatalf("cancel = %v, context = %v", err, ctx.Err()) |
| 140 | } |
| 141 | case <-time.After(5 * time.Second): |
| 142 | t.Fatal("cancel receipt waits for the projection lock") |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | func TestCancelSignalsWithoutRuntimeMutex(t *testing.T) { |
| 147 | service, runtime := reviewRuntime(t) |
| 148 | ctx, _ := bindTestExecution(t, runtime, "model") |
| 149 | |
| 150 | runtime.mu.Lock() |
| 151 | done := make(chan CancelReceipt, 1) |
| 152 | go func() { |
| 153 | receipt, cancelErr := service.CancelSession(runtime.Ref()) |
| 154 | if cancelErr != nil { |
| 155 | t.Errorf("cancel: %v", cancelErr) |
| 156 | } |
| 157 | done <- receipt |
| 158 | }() |
| 159 | select { |
| 160 | case receipt := <-done: |
| 161 | if !receipt.Accepted || receipt.Phase != RuntimeCancelling { |
| 162 | t.Fatalf("receipt = %+v", receipt) |
| 163 | } |
| 164 | if !errors.Is(ctx.Err(), context.Canceled) { |
| 165 | t.Fatalf("activity context = %v", ctx.Err()) |
| 166 | } |
| 167 | case <-time.After(5 * time.Second): |
| 168 | runtime.mu.Unlock() |
| 169 | t.Fatal("cancel waited for the runtime commit mutex") |
| 170 | } |
| 171 | runtime.mu.Unlock() |
| 172 | } |
| 173 | |
| 174 | func TestUnknownRequiredPrefixDoesNotTruncateTail(t *testing.T) { |
| 175 | _, runtime := reviewRuntime(t) |
| 176 | store := runtime.Session().Handle().(*Store) |
| 177 | if _, err := runtime.Session().Append(t.Context(), Batch{OperationID: "known", Events: []Event{{Kind: "diagnostic"}}}); err != nil { |
| 178 | t.Fatal(err) |
| 179 | } |
| 180 | if err := runtime.close(t.Context()); err != nil { |
| 181 | t.Fatal(err) |
| 182 | } |
| 183 | path := filepath.Join(store.dir, currentLogName) |
| 184 | data, err := os.ReadFile(path) |
| 185 | if err != nil { |
| 186 | t.Fatal(err) |
| 187 | } |
| 188 | unknown := Commit{ |
| 189 | SchemaVersion: SchemaVersion, Codec: Codec, RecordType: "commit", ID: "future-commit", |
| 190 | OperationID: "future-operation", OperationHash: "future-hash", FirstSequence: 2, |
| 191 | EventCount: 1, WriterGeneration: store.Manifest().WriterGeneration, CreatedAt: time.Now().UTC(), |
| 192 | Events: []Event{{ID: "future-event", Sequence: 2, Kind: "future/required"}}, |
| 193 | } |
| 194 | var encoded bytes.Buffer |
| 195 | if _, err := encodeV4Commits(t.Context(), &encoded, contentStoreForSessionDir(store.dir), []Commit{unknown}); err != nil { |
| 196 | t.Fatal(err) |
| 197 | } |
| 198 | data = append(data, encoded.Bytes()...) |
| 199 | data = append(data, []byte(`{"torn":`)...) |
| 200 | if err := os.WriteFile(path, data, 0600); err != nil { |
| 201 | t.Fatal(err) |
| 202 | } |
| 203 | if _, err := Open(store.dir, store.SessionID()); !errors.Is(err, ErrUnsupportedVersion) { |
| 204 | t.Fatalf("open = %v", err) |
| 205 | } |
| 206 | after, err := os.ReadFile(path) |
| 207 | if err != nil || !bytes.Equal(after, data) { |
| 208 | t.Fatalf("unsupported log was changed: %v", err) |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | func TestSnapshotCannotMutateAcceptedMessageMetadata(t *testing.T) { |
| 213 | _, runtime := reviewRuntime(t) |
| 214 | payload, err := json.Marshal(map[string]any{"message": provider.Message{ID: "m1", Role: provider.RoleUser, Images: []string{"original"}}}) |
| 215 | if err != nil { |
| 216 | t.Fatal(err) |
| 217 | } |
| 218 | if _, err := runtime.Session().AppendBatch(t.Context(), "input", []Event{{Kind: "message/complete", Payload: payload}}); err != nil { |
| 219 | t.Fatal(err) |
| 220 | } |
| 221 | snapshot := runtime.Session().Snapshot() |
| 222 | snapshot.Projection.Messages[0].Images[0] = "changed" |
| 223 | snapshot.Projection.ModelMessages[0].Images[0] = "changed-again" |
| 224 | if got := runtime.Session().Snapshot().Projection.Messages[0].Images[0]; got != "original" { |
| 225 | t.Fatalf("observer mutated accepted message: %q", got) |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | func TestOldRuntimeDisposerCannotCloseSuccessor(t *testing.T) { |
| 230 | service, old := reviewRuntime(t) |
| 231 | oldOwner := owner(t, service, old) |
| 232 | if err := oldOwner.Close(t.Context()); err != nil { |
| 233 | t.Fatal(err) |
| 234 | } |
| 235 | binding, err := service.Open(t.Context(), old.Ref()) |
| 236 | if err != nil { |
| 237 | t.Fatal(err) |
| 238 | } |
| 239 | next := binding.Runtime() |
| 240 | t.Cleanup(func() { _ = binding.Release(context.Background()) }) |
| 241 | // The delayed disposer still holds its own grant for the retired instance. |
| 242 | if err := oldOwner.Close(t.Context()); err != nil { |
| 243 | t.Fatal(err) |
| 244 | } |
| 245 | if got, ok := service.Runtime(next.Ref()); !ok || got != next { |
| 246 | t.Fatal("old disposer removed successor") |
| 247 | } |
| 248 | if _, err := next.Session().AppendBatch(t.Context(), "still-open", []Event{{Kind: "diagnostic", Optional: true}}); err != nil { |
| 249 | t.Fatal(err) |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | func TestClientBindingOwnsDetachButNotRuntimeClose(t *testing.T) { |
| 254 | service, runtime := reviewRuntime(t) |
| 255 | service.idleTTL = 20 * time.Millisecond |
| 256 | first, err := service.Bind(runtime) |
| 257 | if err != nil { |
| 258 | t.Fatal(err) |
| 259 | } |
| 260 | second, err := service.Bind(runtime) |
| 261 | if err != nil { |
| 262 | t.Fatal(err) |
| 263 | } |
| 264 | if err := owner(t, service, runtime).Close(t.Context()); !errors.Is(err, ErrRuntimeBound) { |
| 265 | t.Fatalf("close bound runtime = %v", err) |
| 266 | } |
| 267 | if err := first.Release(t.Context()); err != nil { |
| 268 | t.Fatal(err) |
| 269 | } |
| 270 | if got, ok := service.Runtime(runtime.Ref()); !ok || got != runtime { |
| 271 | t.Fatal("one client detached the runtime used by another client") |
| 272 | } |
| 273 | if err := second.Release(t.Context()); err != nil { |
| 274 | t.Fatal(err) |
| 275 | } |
| 276 | if got, ok := service.Runtime(runtime.Ref()); !ok || got != runtime { |
| 277 | t.Fatal("idle runtime was not retained for quick rebinding") |
| 278 | } |
| 279 | deadline := time.Now().Add(time.Second) |
| 280 | for time.Now().Before(deadline) { |
| 281 | if _, ok := service.Runtime(runtime.Ref()); !ok { |
| 282 | return |
| 283 | } |
| 284 | time.Sleep(time.Millisecond) |
| 285 | } |
| 286 | t.Fatal("idle runtime remained published after its retention period") |
| 287 | } |
| 288 | |
| 289 | func TestIdleRuntimeCacheBudgetRetiresLeastRecentlyUsedRuntime(t *testing.T) { |
| 290 | service, first := reviewRuntime(t) |
| 291 | service.idleTTL = time.Hour |
| 292 | service.idleBudget = 64 << 10 |
| 293 | firstBinding, err := service.Bind(first) |
| 294 | if err != nil { |
| 295 | t.Fatal(err) |
| 296 | } |
| 297 | second, err := service.Create(t.Context(), CreateOptions{SessionID: "budget-second"}) |
| 298 | if err != nil { |
| 299 | t.Fatal(err) |
| 300 | } |
| 301 | t.Cleanup(func() { |
| 302 | for _, ref := range []SessionRef{first.Ref(), second.Ref()} { |
| 303 | if _, live := service.Runtime(ref); live { |
| 304 | _ = service.Close(context.Background(), ref) |
| 305 | } |
| 306 | } |
| 307 | }) |
| 308 | secondBinding, err := service.Bind(second) |
| 309 | if err != nil { |
| 310 | t.Fatal(err) |
| 311 | } |
| 312 | if err := firstBinding.Release(t.Context()); err != nil { |
| 313 | t.Fatal(err) |
| 314 | } |
| 315 | if err := secondBinding.Release(t.Context()); err != nil { |
| 316 | t.Fatal(err) |
| 317 | } |
| 318 | deadline := time.Now().Add(time.Second) |
| 319 | for time.Now().Before(deadline) { |
| 320 | _, firstLive := service.Runtime(first.Ref()) |
| 321 | _, secondLive := service.Runtime(second.Ref()) |
| 322 | if !firstLive && secondLive { |
| 323 | return |
| 324 | } |
| 325 | time.Sleep(time.Millisecond) |
| 326 | } |
| 327 | t.Fatal("idle cache budget did not retire the least recently used runtime") |
| 328 | } |
| 329 | |
| 330 | func TestLastClientDetachDoesNotCancelActiveRuntime(t *testing.T) { |
| 331 | service, runtime := reviewRuntime(t) |
| 332 | service.idleTTL = 20 * time.Millisecond |
| 333 | binding, err := service.Bind(runtime) |
| 334 | if err != nil { |
| 335 | t.Fatal(err) |
| 336 | } |
| 337 | ctx, exec := bindTestExecution(t, runtime, "model") |
| 338 | if err := binding.Release(t.Context()); err != nil { |
| 339 | t.Fatal(err) |
| 340 | } |
| 341 | if ctx.Err() != nil { |
| 342 | t.Fatalf("client detach cancelled host-owned activity: %v", ctx.Err()) |
| 343 | } |
| 344 | if got, ok := service.Runtime(runtime.Ref()); !ok || got != runtime { |
| 345 | t.Fatal("active runtime retired when its last client detached") |
| 346 | } |
| 347 | exec.Finish() |
| 348 | if _, ok := service.Runtime(runtime.Ref()); !ok { |
| 349 | t.Fatal("completed runtime was not retained for quick rebinding") |
| 350 | } |
| 351 | deadline := time.Now().Add(time.Second) |
| 352 | for time.Now().Before(deadline) { |
| 353 | if _, ok := service.Runtime(runtime.Ref()); !ok { |
| 354 | return |
| 355 | } |
| 356 | time.Sleep(time.Millisecond) |
| 357 | } |
| 358 | t.Fatal("unbound runtime did not retire after its retention period") |
| 359 | } |
| 360 | |
| 361 | func TestOwnerCloseFencesConcurrentClientBinding(t *testing.T) { |
| 362 | service, sessionRuntime := reviewRuntime(t) |
| 363 | sessionRuntime.mu.Lock() |
| 364 | closed := make(chan error, 1) |
| 365 | grant := owner(t, service, sessionRuntime) |
| 366 | go func() { closed <- grant.Close(t.Context()) }() |
| 367 | deadline := time.After(5 * time.Second) |
| 368 | for { |
| 369 | service.mu.Lock() |
| 370 | retiring := service.retiring[sessionRuntime] != nil |
| 371 | service.mu.Unlock() |
| 372 | if retiring { |
| 373 | break |
| 374 | } |
| 375 | select { |
| 376 | case <-deadline: |
| 377 | sessionRuntime.mu.Unlock() |
| 378 | t.Fatal("owner close did not publish its retirement fence") |
| 379 | default: |
| 380 | runtime.Gosched() |
| 381 | } |
| 382 | } |
| 383 | if _, err := service.Bind(sessionRuntime); !errors.Is(err, ErrRuntimeRetiring) { |
| 384 | sessionRuntime.mu.Unlock() |
| 385 | t.Fatalf("bind during owner close = %v", err) |
| 386 | } |
| 387 | sessionRuntime.mu.Unlock() |
| 388 | if err := <-closed; err != nil { |
| 389 | t.Fatal(err) |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | func TestTitleCanReturnToEarlierValue(t *testing.T) { |
| 394 | service, runtime := reviewRuntime(t) |
| 395 | for _, title := range []string{"A", "B", "A"} { |
| 396 | if err := service.SetTitle(t.Context(), runtime.Ref(), title); err != nil { |
| 397 | t.Fatal(err) |
| 398 | } |
| 399 | if got := runtime.Session().Snapshot().Projection.Title; got != title { |
| 400 | t.Fatalf("title = %q, want %q", got, title) |
| 401 | } |
| 402 | } |
| 403 | } |
| 404 | |
| 405 | func TestCloseFailureUnregistersReleasedWriter(t *testing.T) { |
| 406 | service, runtime := reviewRuntime(t) |
| 407 | store := runtime.Session().Handle().(*Store) |
| 408 | failure := errors.New("disk unavailable") |
| 409 | store.writeFn = func(context.Context, io.Writer, []byte) error { return failure } |
| 410 | if _, err := runtime.Session().AppendBatch(t.Context(), "pending", []Event{{Kind: "diagnostic", Optional: true}}); err != nil { |
| 411 | t.Fatal(err) |
| 412 | } |
| 413 | if err := service.Close(t.Context(), runtime.Ref()); !errors.Is(err, failure) { |
| 414 | t.Fatalf("close = %v", err) |
| 415 | } |
| 416 | if _, ok := service.Runtime(runtime.Ref()); ok { |
| 417 | t.Fatal("closed writer remains attachable") |
| 418 | } |
| 419 | if err := service.Close(t.Context(), runtime.Ref()); !errors.Is(err, failure) { |
| 420 | t.Fatalf("repeat close = %v", err) |
| 421 | } |
| 422 | binding, err := service.Open(t.Context(), runtime.Ref()) |
| 423 | if err != nil { |
| 424 | t.Fatal(err) |
| 425 | } |
| 426 | t.Cleanup(func() { _ = binding.Release(context.Background()) }) |
| 427 | if binding.Runtime() == runtime { |
| 428 | t.Fatal("open returned released writer") |
| 429 | } |
| 430 | } |
| 431 | |
| 432 | func TestRewindBeforeFirstTurnPreservesInitialization(t *testing.T) { |
| 433 | service, runtime := reviewRuntime(t) |
| 434 | if _, err := runtime.Session().AppendBatch(t.Context(), "config", []Event{{Kind: "session/config", Payload: []byte(`{"modelRef":"test/model"}`)}}); err != nil { |
| 435 | t.Fatal(err) |
| 436 | } |
| 437 | if _, err := runtime.Session().Append(t.Context(), Batch{OperationID: "input", TurnID: "first", Events: []Event{{Kind: "turn/start"}, {Kind: "turn/end", Payload: []byte(`{"status":"completed"}`)}}}); err != nil { |
| 438 | t.Fatal(err) |
| 439 | } |
| 440 | child, err := service.Rewind(t.Context(), runtime.Ref(), "first", "rewound") |
| 441 | if err != nil { |
| 442 | t.Fatal(err) |
| 443 | } |
| 444 | t.Cleanup(func() { _ = service.Close(context.Background(), child.Ref()) }) |
| 445 | if got := child.Session().Snapshot().Projection.ModelRef; got != "test/model" { |
| 446 | t.Fatalf("model = %q", got) |
| 447 | } |
| 448 | } |
| 449 | |
| 450 | func TestFinishedActivityCancelsItsContext(t *testing.T) { |
| 451 | _, runtime := reviewRuntime(t) |
| 452 | ctx, exec := bindTestExecution(t, runtime, "model") |
| 453 | exec.cancel() |
| 454 | exec.Finish() |
| 455 | if !errors.Is(ctx.Err(), context.Canceled) { |
| 456 | t.Fatal("finished activity retains live cancellation context") |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | func TestForkCopiesOwnedAttachments(t *testing.T) { |
| 461 | service, runtime := reviewRuntime(t) |
| 462 | dir := runtime.Session().Handle().(*Store).dir |
| 463 | asset := filepath.Join(dir, "attachments", "input.txt") |
| 464 | if err := os.MkdirAll(filepath.Dir(asset), 0700); err != nil { |
| 465 | t.Fatal(err) |
| 466 | } |
| 467 | if err := os.WriteFile(asset, []byte("owned context"), 0600); err != nil { |
| 468 | t.Fatal(err) |
| 469 | } |
| 470 | if _, err := runtime.Session().Append(t.Context(), Batch{OperationID: "input", TurnID: "first", Events: []Event{{Kind: "turn/start"}, {Kind: "turn/end", Payload: []byte(`{"status":"completed"}`)}}}); err != nil { |
| 471 | t.Fatal(err) |
| 472 | } |
| 473 | child, err := service.Fork(t.Context(), runtime.Ref(), "first", "child") |
| 474 | if err != nil { |
| 475 | t.Fatal(err) |
| 476 | } |
| 477 | t.Cleanup(func() { _ = service.Close(context.Background(), child.Ref()) }) |
| 478 | if err := service.Delete(t.Context(), runtime.Ref()); err != nil { |
| 479 | t.Fatal(err) |
| 480 | } |
| 481 | data, err := os.ReadFile(filepath.Join(child.Session().Handle().(*Store).dir, "attachments", "input.txt")) |
| 482 | if err != nil || string(data) != "owned context" { |
| 483 | t.Fatalf("child attachment = %q, %v", data, err) |
| 484 | } |
| 485 | } |
| 486 |