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      1 /*
      2  * Copyright (C) 2016 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 vogar.target;
     18 
     19 import java.util.concurrent.atomic.AtomicReference;
     20 import org.junit.runner.Description;
     21 import org.junit.runner.manipulation.Filter;
     22 import vogar.target.junit.JUnitUtils;
     23 
     24 /**
     25  * A {@link Filter} that skips past (discards) all tests up to and including one that failed
     26  * previously causing the process to exit.
     27  *
     28  * <p>If {@link #skipPastReference} has a null value then this lets all tests run. Otherwise, this
     29  * filters out all tests up to and including the one whose name matches the value in the reference
     30  * at which point the reference is set to null, so all following tests are kept.
     31  */
     32 public class SkipPastFilter extends Filter {
     33 
     34     private final AtomicReference<String> skipPastReference;
     35 
     36     public SkipPastFilter(AtomicReference<String> skipPastReference) {
     37         this.skipPastReference = skipPastReference;
     38     }
     39 
     40     @Override
     41     public boolean shouldRun(Description description) {
     42         String skipPast = skipPastReference.get();
     43         if (description.isTest() && skipPast != null) {
     44             String name = JUnitUtils.getTestName(description);
     45             if (skipPast.equals(name)) {
     46                 skipPastReference.set(null);
     47             }
     48             return false;
     49         }
     50 
     51         return true;
     52     }
     53 
     54     @Override
     55     public String describe() {
     56         return "SkipPastFilter";
     57     }
     58 }
     59