(t *testing.T)
| 64 | } |
| 65 | |
| 66 | func TestVFSFile_PendingIndexIsolation(t *testing.T) { |
| 67 | client := newMockReplicaClient() |
| 68 | client.addFixture(t, buildLTXFixture(t, 1, 'a')) |
| 69 | |
| 70 | f := NewVFSFile(client, "test.db", slog.Default()) |
| 71 | if err := f.Open(); err != nil { |
| 72 | t.Fatalf("open vfs file: %v", err) |
| 73 | } |
| 74 | |
| 75 | if err := f.Lock(sqlite3vfs.LockShared); err != nil { |
| 76 | t.Fatalf("lock shared: %v", err) |
| 77 | } |
| 78 | |
| 79 | client.addFixture(t, buildLTXFixture(t, 2, 'b')) |
| 80 | if err := f.pollReplicaClient(context.Background()); err != nil { |
| 81 | t.Fatalf("poll replica: %v", err) |
| 82 | } |
| 83 | |
| 84 | f.mu.Lock() |
| 85 | pendingLen := len(f.pending) |
| 86 | current := f.index[1] |
| 87 | f.mu.Unlock() |
| 88 | |
| 89 | if pendingLen == 0 { |
| 90 | t.Fatalf("expected pending index entries while shared lock held") |
| 91 | } |
| 92 | if current.MinTXID != 1 { |
| 93 | t.Fatalf("main index should still reference first txid, got %s", current.MinTXID) |
| 94 | } |
| 95 | |
| 96 | buf := make([]byte, 4096) |
| 97 | if _, err := f.ReadAt(buf, 0); err != nil { |
| 98 | t.Fatalf("read during lock: %v", err) |
| 99 | } |
| 100 | if buf[0] != 'a' { |
| 101 | t.Fatalf("expected old data during lock, got %q", buf[0]) |
| 102 | } |
| 103 | |
| 104 | if err := f.Unlock(sqlite3vfs.LockNone); err != nil { |
| 105 | t.Fatalf("unlock: %v", err) |
| 106 | } |
| 107 | |
| 108 | if _, err := f.ReadAt(buf, 0); err != nil { |
| 109 | t.Fatalf("read after unlock: %v", err) |
| 110 | } |
| 111 | if buf[0] != 'b' { |
| 112 | t.Fatalf("expected updated data after unlock, got %q", buf[0]) |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | func TestVFSFile_PendingIndexRace(t *testing.T) { |
| 117 | client := newMockReplicaClient() |
nothing calls this directly
no test coverage detected