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 
  26 package jdk.nashorn.internal.test.framework;
  27 
  28 import java.util.Collections;
  29 import java.util.Comparator;
  30 import java.util.List;
  31 import org.testng.IMethodInstance;
  32 import org.testng.IMethodInterceptor;
  33 import org.testng.ITest;
  34 import org.testng.ITestContext;
  35 
  36 /**
  37  * TestNG method interceptor to make sure that the tests are run in the test name order.
  38  */
  39 public 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 if (o1 instanceof ITest) {
  51                     return 1;
  52                 } else if (o2 instanceof ITest) {
  53                     return -1;
  54                 }
  55                 // something else, don't care about the order
  56                 return 0;
  57             }
  58         });
  59 
  60         return methods;
  61     }
  62 }