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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.junit;
     18 
     19 import java.util.Collections;
     20 import java.util.LinkedHashSet;
     21 import java.util.Set;
     22 import javax.annotation.Nullable;
     23 import org.junit.runner.Description;
     24 
     25 /**
     26  * Utilities for bridging between JUnit and Vogar.
     27  */
     28 public class JUnitUtils {
     29     private JUnitUtils() {}
     30 
     31     /**
     32      * Get the name of the test in {@code <class>(#<method>)?} format.
     33      */
     34     public static String getTestName(Description description) {
     35         String className = description.getClassName();
     36         String methodName = description.getMethodName();
     37         return getTestName(className, methodName);
     38     }
     39 
     40     /**
     41      * Get the name of the test in {@code <class>(#<method>)?} format.
     42      */
     43     public static String getTestName(String className, String methodName) {
     44         if (methodName == null) {
     45             return className;
     46         } else {
     47             return className + "#" + methodName;
     48         }
     49     }
     50 
     51     /**
     52      * Merge the qualification and list of method names into a single set.
     53      * @param qualification the qualification applied to a class name, i.e. the part after the #
     54      * @param args the list of method names
     55      * @return The set of method names, possibly empty.
     56      */
     57     public static Set<String> mergeQualificationAndArgs(@Nullable String qualification, String[] args) {
     58         Set<String> methodNames = new LinkedHashSet<>();
     59         if (qualification != null) {
     60             methodNames.add(qualification);
     61         }
     62         Collections.addAll(methodNames, args);
     63         return methodNames;
     64     }
     65 }
     66