Unity editor script for running test every time code changes

StatsTest.cs

using UnityEngine;
using System.Collections;

[ExecuteInEditMode]
public class StatsTest : MonoBehaviour {
  [UnityEditor.Callbacks.DidReloadScripts]
  private static void OnScriptsReloaded() {
    Statistics stats = new Statistics();
    stats.Run();
    stats.Log();
  }
}