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.
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.
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.
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.
66 public final void init(G subjectGenerator, String suiteName) {
67 init(subjectGenerator, suiteName, null, null);
68 }
69
70 public G getSubjectGenerator() {
71 return subjectGenerator;
72 }
73
74 /** Returns the name of the test method invoked by this test instance. */
75 public final String getTestMethodName() {
76 return super.getName();
77 }
78
79 @Override public String getName() {
80 return Platform.format("%s[%s]", super.getName(), suiteName);
81 }
82 }