1 /* 2 * Copyright (C) 2008 The Guava Authors 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.google.common.collect.testing; 18 19 import junit.framework.TestCase; 20 21 /** 22 * This abstract base class for testers allows the framework to inject needed 23 * information after JUnit constructs the instances. 24 * 25 * <p>This class is emulated in GWT. 26 * 27 * @param <G> the type of the test generator required by this tester. An 28 * instance of G should somehow provide an instance of the class under test, 29 * plus any other information required to parameterize the test. 30 * 31 * @author George van den Driessche 32 */ 33 public class AbstractTester<G> extends TestCase { 34 private G subjectGenerator; 35 private String suiteName; 36 private Runnable setUp; 37 private Runnable tearDown; 38 39 // public so that it can be referenced in generated GWT tests. setUp()40 @Override public void setUp() throws Exception { 41 if (setUp != null) { 42 setUp.run(); 43 } 44 } 45 46 // public so that it can be referenced in generated GWT tests. tearDown()47 @Override public void tearDown() throws Exception { 48 if (tearDown != null) { 49 tearDown.run(); 50 } 51 } 52 53 // public so that it can be referenced in generated GWT tests. init( G subjectGenerator, String suiteName, Runnable setUp, Runnable tearDown)54 public final void init( 55 G subjectGenerator, String suiteName, Runnable setUp, Runnable tearDown) { 56 this.subjectGenerator = subjectGenerator; 57 this.suiteName = suiteName; 58 this.setUp = setUp; 59 this.tearDown = tearDown; 60 } 61 62 // public so that it can be referenced in generated GWT tests. init(G subjectGenerator, String suiteName)63 public final void init(G subjectGenerator, String suiteName) { 64 init(subjectGenerator, suiteName, null, null); 65 } 66 getSubjectGenerator()67 public G getSubjectGenerator() { 68 return subjectGenerator; 69 } 70 71 /** Returns the name of the test method invoked by this test instance. */ getTestMethodName()72 public final String getTestMethodName() { 73 return super.getName(); 74 } 75 getName()76 @Override public String getName() { 77 return Platform.format("%s[%s]", super.getName(), suiteName); 78 } 79 } 80