package kvstore

import (
	"strings"
	"testing"

	"github.com/cockroachdb/pebble"
)

func TestTx_commit_StringPanicReturnsError(t *testing.T) {
	oldCommitBatch := commitBatch
	commitBatch = func(batch *pebble.Batch, opt *pebble.WriteOptions) error {
		panic("boom")
	}
	defer func() {
		commitBatch = oldCommitBatch
	}()

	tx := &Tx[string]{}
	err := tx.commit(DefaultWriteOptions)
	if err == nil {
		t.Fatal("expected error, got nil")
	}
	if !strings.Contains(err.Error(), "commit batch failed: boom") {
		t.Fatalf("unexpected error: %v", err)
	}
}