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      1 /*
      2  * Copyright (C) 2008 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.ddmlib.testrunner;
     18 
     19 /**
     20  * Identifies a parsed instrumentation test.
     21  */
     22 public class TestIdentifier {
     23 
     24     private final String mClassName;
     25     private final String mTestName;
     26 
     27     /**
     28      * Creates a test identifier.
     29      *
     30      * @param className fully qualified class name of the test. Cannot be null.
     31      * @param testName name of the test. Cannot be null.
     32      */
     33     public TestIdentifier(String className, String testName) {
     34         if (className == null || testName == null) {
     35             throw new IllegalArgumentException("className and testName must " +
     36                     "be non-null");
     37         }
     38         mClassName = className;
     39         mTestName = testName;
     40     }
     41 
     42     /**
     43      * Returns the fully qualified class name of the test.
     44      */
     45     public String getClassName() {
     46         return mClassName;
     47     }
     48 
     49     /**
     50      * Returns the name of the test.
     51      */
     52     public String getTestName() {
     53         return mTestName;
     54     }
     55 
     56     /**
     57      * Tests equality by comparing class and method name.
     58      */
     59     @Override
     60     public boolean equals(Object other) {
     61         if (!(other instanceof TestIdentifier)) {
     62             return false;
     63         }
     64         TestIdentifier otherTest = (TestIdentifier)other;
     65         return getClassName().equals(otherTest.getClassName())  &&
     66                 getTestName().equals(otherTest.getTestName());
     67     }
     68 
     69     /**
     70      * Generates hashCode based on class and method name.
     71      */
     72     @Override
     73     public int hashCode() {
     74         return getClassName().hashCode() * 31 + getTestName().hashCode();
     75     }
     76 
     77     /**
     78      * Generates user friendly string.
     79      */
     80     @Override
     81     public String toString() {
     82         return String.format("%s#%s", getClassName(), getTestName());
     83     }
     84 }
     85