1 /* 2 * Copyright (C) 2018 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.signature.cts.api; 18 19 import android.signature.cts.FailureType; 20 import android.signature.cts.ResultObserver; 21 22 import java.io.PrintWriter; 23 import java.io.StringWriter; 24 import junit.framework.Assert; 25 import junit.framework.TestCase; 26 27 /** 28 * Keeps track of any reported failures. 29 */ 30 class TestResultObserver implements ResultObserver { 31 32 private boolean mDidFail = false; 33 private int failures = 0; 34 35 private StringWriter mErrorString = new StringWriter(); 36 37 @Override notifyFailure(FailureType type, String name, String errorMessage, Throwable throwable)38 public void notifyFailure(FailureType type, String name, String errorMessage, 39 Throwable throwable) { 40 mDidFail = true; 41 failures++; 42 if (failures <= 100) { 43 mErrorString.append("\n"); 44 mErrorString.append(type.toString().toLowerCase()); 45 mErrorString.append(":\t"); 46 mErrorString.append(name); 47 mErrorString.append("\tError: "); 48 mErrorString.append(errorMessage); 49 if (throwable != null) { 50 mErrorString.append("\n"); 51 throwable.printStackTrace(new PrintWriter(mErrorString)); 52 } 53 } else if (failures == 101) { 54 mErrorString.append("\nMore than 100 failures, aborting test."); 55 finalizeErrorString(); 56 Assert.fail(mErrorString.toString()); 57 } 58 } 59 finalizeErrorString()60 private void finalizeErrorString() { 61 ClassLoader classLoader = getClass().getClassLoader(); 62 mErrorString.append("\nClassLoader hierarchy\n"); 63 while (classLoader != null) { 64 mErrorString.append(" ").append(classLoader.toString()).append("\n"); 65 classLoader = classLoader.getParent(); 66 } 67 } 68 onTestComplete()69 public void onTestComplete() { 70 if (mDidFail) { 71 finalizeErrorString(); 72 Assert.fail(mErrorString.toString()); 73 } 74 } 75 } 76