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