优化结构

internal/logging/daily_test.go

@@ -0,0 +1,26 @@
+package logging
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+)
+
+func TestDailyWriterCleansExpiredDirectoriesOnRotation(t *testing.T) {
+	root := t.TempDir()
+	writer := NewDailyWriter(root, "application.log", 1)
+	oldDate := time.Now().AddDate(0, 0, -3).Format("2006-01-02")
+	oldDir := filepath.Join(root, oldDate)
+	if err := os.MkdirAll(oldDir, 0o755); err != nil {
+		t.Fatal(err)
+	}
+	writer.date = "2000-01-01"
+	if _, err := writer.Write([]byte("rotated\n")); err != nil {
+		t.Fatal(err)
+	}
+	_ = writer.Close()
+	if _, err := os.Stat(oldDir); !os.IsNotExist(err) {
+		t.Fatalf("expired directory still exists: err=%v", err)
+	}
+}