1 /* 2 * Copyright (C) 2023 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.rules 18 19 import android.tools.common.Cache 20 import org.junit.rules.TestWatcher 21 import org.junit.runner.Description 22 23 class CacheCleanupRule : TestWatcher() { 24 private var cacheBackup: Cache.Backup? = null startingnull25 override fun starting(description: Description?) { 26 super.starting(description) 27 cacheBackup = Cache.backup() 28 Cache.clear() 29 } 30 finishednull31 override fun finished(description: Description?) { 32 super.finished(description) 33 val cacheBackup = cacheBackup ?: return 34 Cache.restore(cacheBackup) 35 } 36 } 37