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 com.google.common.annotations.GwtCompatible; 20 21 import junit.framework.TestCase; 22 23 /** 24 * This abstract base class for testers allows the framework to inject needed 25 * information after JUnit constructs the instances. 26 * 27 * <p>This class is emulated in GWT. 28 * 29 * @param <G> the type of the test generator required by this tester. An 30 * instance of G should somehow provide an instance of the class under test, 31 * plus any other information required to parameterize the test. 32 * 33 * @author George van den Driessche 34 */ 35 @GwtCompatible 36 public class AbstractTester<G> extends TestCase { 37 private G subjectGenerator; 38 private String suiteName; 39 private Runnable setUp; 40 private Runnable tearDown; 41 42 // public so that it can be referenced in generated GWT tests. setUp()43 @Override public void setUp() throws Exception { 44 if (setUp != null) { 45 setUp.run(); 46 } 47 } 48 49 // public so that it can be referenced in generated GWT tests. tearDown()50 @Override public void tearDown() throws Exception { 51 if (tearDown != null) { 52 tearDown.run(); 53 } 54 } 55 56 // public so that it can be referenced in generated GWT tests. init( G subjectGenerator, String suiteName, Runnable setUp, Runnable tearDown)57 public final void init( 58 G subjectGenerator, String suiteName, Runnable setUp, Runnable tearDown) { 59 this.subjectGenerator = subjectGenerator; 60 this.suiteName = suiteName; 61 this.setUp = setUp; 62 this.tearDown = tearDown; 63 } 64 65 // public so that it can be referenced in generated GWT tests. init(G subjectGenerator, String suiteName)66 public final void init(G subjectGenerator, String suiteName) { 67 init(subjectGenerator, suiteName, null, null); 68 } 69 getSubjectGenerator()70 public G getSubjectGenerator() { 71 return subjectGenerator; 72 } 73 74 /** Returns the name of the test method invoked by this test instance. */ getTestMethodName()75 public final String getTestMethodName() { 76 return super.getName(); 77 } 78 getName()79 @Override public String getName() { 80 return Platform.format("%s[%s]", super.getName(), suiteName); 81 } 82 } 83