history_codec_limits_test.go RawHistoryFolder

1package vt
2
3import (
4	"testing"
5
6	"github.com/bnema/vev-vt/core"
7	"github.com/stretchr/testify/require"
8)
9
10func TestHistoryRetentionCanExceedSingleBlobLimits(t *testing.T) {
11	// Retention policy is application-owned; codec ceilings apply to each blob.
12	h := NewHistory(HistoryConfig{MaxRows: maxHistoryRows + 1, ChunkRows: 256})
13	for range maxHistoryRows + 1 {
14		require.NoError(t, h.Append([]core.Cell{{Rune: 'x', Style: core.DefaultStyle()}}, LineBound{End: 1}))
15	}
16	view := h.SealAndView()
17	require.Equal(t, maxHistoryRows+1, view.Len())
18	_, err := MarshalHistory(view)
19	require.Error(t, err, "one aggregate blob is intentionally bounded")
20	chunks, tail, err := MarshalSealedHistory(view)
21	require.NoError(t, err, "per-chunk persistence must preserve larger retained history")
22	restored, err := HistoryFromBlobs(h.Limits(), chunks, tail)
23	require.NoError(t, err)
24	require.Equal(t, h.Len(), restored.Len())
25}