1 /*
2  * Copyright (C) 2020 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 com.android.launcher3.util.rule;
18 
19 import android.util.Log;
20 
21 import org.junit.rules.TestRule;
22 import org.junit.runner.Description;
23 import org.junit.runners.model.Statement;
24 
25 public class FailureRewriterRule implements TestRule {
26     private static final String TAG = "FailureRewriter";
27 
28     @Override
apply(Statement base, Description description)29     public Statement apply(Statement base, Description description) {
30         return new Statement() {
31             @Override
32             public void evaluate() throws Throwable {
33                 try {
34                     base.evaluate();
35                 } catch (Throwable e) {
36                     final int bug = FailureInvestigator.getBugForFailure(e.toString());
37                     if (bug == 0) throw e;
38 
39                     Log.e(TAG, "Known bug found for the original failure "
40                             + android.util.Log.getStackTraceString(e));
41                     throw new AssertionError(
42                             "Detected a failure that matches a known bug b/" + bug);
43                 }
44             }
45         };
46     }
47 }
48