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fix(test): resolve flaky TestStore_CompactDB/L1 timing issue (#920)

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Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Cory LaNou
2025-12-18 17:40:33 -06:00
committed by GitHub
parent 0edc3ecbd2
commit e1d5aad75b
1 changed files with 15 additions and 10 deletions
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25
store_test.go
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@@ -8,6 +8,8 @@ import (
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/benbjohnson/litestream"
"github.com/benbjohnson/litestream/file"
"github.com/benbjohnson/litestream/internal/testingutil"
@@ -44,20 +46,23 @@ func TestStore_CompactDB(t *testing.T) {
t.Fatal(err)
}
if _, err := s.CompactDB(t.Context(), db0, levels[1]); err != nil {
t.Fatal(err)
}
_, err := s.CompactDB(t.Context(), db0, levels[1])
require.NoError(t, err)
// Re-compacting immediately should return an error that it's too soon.
if _, err := s.CompactDB(t.Context(), db0, levels[1]); !errors.Is(err, litestream.ErrCompactionTooEarly) {
t.Fatalf("unexpected error: %s", err)
}
// Re-compacting immediately should return an error indicating compaction
// cannot proceed. This may be ErrCompactionTooEarly (detected timing conflict)
// or ErrNoCompaction (no new files to compact). Both are valid outcomes
// depending on whether we crossed a second boundary during the first compaction
// (PrevCompactionAt truncates to seconds, causing edge cases at boundaries).
_, err = s.CompactDB(t.Context(), db0, levels[1])
require.True(t,
errors.Is(err, litestream.ErrCompactionTooEarly) || errors.Is(err, litestream.ErrNoCompaction),
"expected ErrCompactionTooEarly or ErrNoCompaction, got: %v", err)
// Re-compacting after the interval should show that there is nothing to compact.
time.Sleep(levels[1].Interval)
if _, err := s.CompactDB(t.Context(), db0, levels[1]); !errors.Is(err, litestream.ErrNoCompaction) {
t.Fatalf("unexpected error: %s", err)
}
_, err = s.CompactDB(t.Context(), db0, levels[1])
require.ErrorIs(t, err, litestream.ErrNoCompaction)
})
t.Run("Snapshot", func(t *testing.T) {