1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.tools.testrules 18 19 import android.tools.Cache 20 import android.tools.ICache 21 import org.junit.rules.TestWatcher 22 import org.junit.runner.Description 23 24 class CacheCleanupRule : TestWatcher() { 25 private var cacheBackup: ICache.Backup? = null 26 startingnull27 override fun starting(description: Description?) { 28 super.starting(description) 29 cacheBackup = Cache.backup() 30 Cache.clear() 31 } 32 finishednull33 override fun finished(description: Description?) { 34 super.finished(description) 35 val cacheBackup = cacheBackup ?: return 36 Cache.restore(cacheBackup) 37 } 38 } 39