package claude

import (
	"os"
	"path/filepath"
	"testing"
)

func TestLoadStatsCache(t *testing.T) {
	dir := t.TempDir()
	p := filepath.Join(dir, "stats-cache.json")
	err := os.WriteFile(p, []byte(`{"version":1,"lastComputedDate":"2025-12-31","totalSessions":1,"totalMessages":2}`), 0644)
	if err != nil {
		t.Fatalf("WriteFile: %v", err)
	}

	loader := NewLoader(dir)
	stats, err := loader.LoadStatsCache()
	if err != nil {
		t.Fatalf("LoadStatsCache: %v", err)
	}
	if stats.TotalSessions != 1 {
		t.Fatalf("TotalSessions=%d", stats.TotalSessions)
	}
}