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.flicker.rules 18 19 import android.platform.test.rule.ArtifactSaver 20 import android.tools.FLICKER_TAG 21 import android.tools.traces.parsers.DeviceDumpParser 22 import android.util.Log 23 import org.junit.rules.TestWatcher 24 import org.junit.runner.Description 25 26 class ArtifactSaverRule : TestWatcher() { 27 private var handled = false 28 failednull29 override fun failed(e: Throwable, description: Description?) { 30 if (handled) { 31 return 32 } 33 34 try { 35 if (DeviceDumpParser.lastWmTraceData.isNotEmpty()) { 36 val fileName = getClassAndMethodName(description) + "lastWmDump.winscope" 37 val file = ArtifactSaver.artifactFile(fileName) 38 file.writeBytes(DeviceDumpParser.lastWmTraceData) 39 } 40 41 if (DeviceDumpParser.lastLayersTraceData.isNotEmpty()) { 42 val fileName = getClassAndMethodName(description) + "lastLayersDump.winscope" 43 val file = ArtifactSaver.artifactFile(fileName) 44 file.writeBytes(DeviceDumpParser.lastLayersTraceData) 45 } 46 } catch (e: Exception) { 47 Log.e(FLICKER_TAG, "Failed to write last Winscope dumps on error", e) 48 } 49 50 ArtifactSaver.onError(description, e) 51 52 handled = true 53 } 54 getClassAndMethodNamenull55 private fun getClassAndMethodName(description: Description?): String { 56 var suffix = description?.methodName 57 if (suffix == null) { 58 // Can happen when the description is from a ClassRule 59 suffix = "EntireClassExecution" 60 } 61 val testClass = description?.testClass 62 63 // Can have null class if this is a synthetic suite 64 val className = if (testClass != null) testClass.simpleName else "SUITE" 65 return "$className.$suffix" 66 } 67 } 68