1 /* 2 * Copyright (C) 2017 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 package android.host.test.longevity.listener; 17 18 import org.junit.runner.notification.RunListener; 19 import org.junit.runner.notification.RunNotifier; 20 21 /** 22 * An extension of the {@link RunListener} class that provides hooks to the {@code RunNotifier} for 23 * killing tests early. 24 */ 25 public abstract class RunTerminator extends RunListener { 26 protected RunNotifier mNotifier; 27 RunTerminator(RunNotifier notifier)28 public RunTerminator(RunNotifier notifier) { 29 mNotifier = notifier; 30 } 31 32 /** 33 * Kills subsequent tests and logs a message for future debugging. 34 */ kill(String reason)35 protected final void kill(String reason) { 36 print(String.format("Test run killed because %s.", reason)); 37 mNotifier.pleaseStop(); 38 } 39 40 /** 41 * Prints a message to the error output stream. 42 */ print(String message)43 protected void print(String message) { 44 System.err.println(message); 45 } 46 } 47