TestReorderInterceptor.java revision 877:cf4d2252d444 
1/*
2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package jdk.nashorn.internal.test.framework;
27
28import java.util.Collections;
29import java.util.Comparator;
30import java.util.List;
31import org.testng.IMethodInstance;
32import org.testng.IMethodInterceptor;
33import org.testng.ITest;
34import org.testng.ITestContext;
35
36/**
37 * TestNG method interceptor to make sure that the tests are run in the test name order.
38 */
39public final class TestReorderInterceptor implements IMethodInterceptor {
40    @Override
41    public List<IMethodInstance> intercept(final List<IMethodInstance> methods, final ITestContext context) {
42        Collections.sort(methods, new Comparator<IMethodInstance>() {
43            @Override
44            public int compare(final IMethodInstance mi1, final IMethodInstance mi2) {
45                // get test instances to order the tests.
46                final Object o1 = mi1.getInstance();
47                final Object o2 = mi2.getInstance();
48                if (o1 instanceof ITest && o2 instanceof ITest) {
49                    return ((ITest)o1).getTestName().compareTo(((ITest)o2).getTestName());
50                } else {
51                    // something else, don't care about the order
52                    return 0;
53                }
54            }
55        });
56
57        return methods;
58    }
59}
60