1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.hadoop.hbase;
20  
21  import java.io.IOException;
22  import java.util.List;
23  import java.util.Set;
24  import java.util.regex.Pattern;
25  
26  import org.apache.commons.cli.CommandLine;
27  import org.apache.hadoop.hbase.util.AbstractHBaseTool;
28  import org.apache.hadoop.util.ToolRunner;
29  import org.junit.internal.TextListener;
30  import org.junit.runner.JUnitCore;
31  import org.junit.runner.Result;
32  
33  import org.apache.commons.logging.Log;
34  import org.apache.commons.logging.LogFactory;
35  
36  /**
37   * This class drives the Integration test suite execution. Executes all
38   * tests having @Category(IntegrationTests.class) annotation against an
39   * already deployed distributed cluster.
40   */
41  public class IntegrationTestsDriver extends AbstractHBaseTool {
42    private static final String TESTS_ARG = "test";
43    private static final Log LOG = LogFactory.getLog(IntegrationTestsDriver.class);
44    private IntegrationTestFilter intTestFilter = new IntegrationTestFilter();
45  
46    public static void main(String[] args) throws Exception {
47      int ret = ToolRunner.run(new IntegrationTestsDriver(), args);
48      System.exit(ret);
49    }
50  
51    private class IntegrationTestFilter extends ClassTestFinder.TestClassFilter {
52      private Pattern testFilterRe = Pattern.compile(".*");
53      public IntegrationTestFilter() {
54        super(IntegrationTests.class);
55      }
56  
57      public void setPattern(String pattern) {
58        testFilterRe = Pattern.compile(pattern);
59      }
60  
61      @Override
62      public boolean isCandidateClass(Class<?> c) {
63        return super.isCandidateClass(c) && testFilterRe.matcher(c.getName()).find();
64      }
65    }
66  
67    @Override
68    protected void addOptions() {
69      addOptWithArg(TESTS_ARG, "a Java regular expression to filter tests on");
70    }
71  
72    @Override
73    protected void processOptions(CommandLine cmd) {
74      String testFilterString = cmd.getOptionValue(TESTS_ARG, null);
75      if (testFilterString != null) {
76        intTestFilter.setPattern(testFilterString);
77      }
78    }
79  
80    /**
81     * Returns test classes annotated with @Category(IntegrationTests.class),
82     * according to the filter specific on the command line (if any).
83     */
84    private Class<?>[] findIntegrationTestClasses()
85      throws ClassNotFoundException, LinkageError, IOException {
86      ClassTestFinder.TestFileNameFilter nameFilter = new ClassTestFinder.TestFileNameFilter();
87      ClassFinder classFinder = new ClassFinder(nameFilter, intTestFilter);
88      Set<Class<?>> classes = classFinder.findClasses(true);
89      return classes.toArray(new Class<?>[classes.size()]);
90    }
91  
92  
93    @Override
94    protected int doWork() throws Exception {
95      //this is called from the command line, so we should set to use the distributed cluster
96      IntegrationTestingUtility.setUseDistributedCluster(conf);
97      Class<?>[] classes = findIntegrationTestClasses();
98      LOG.info("Found " + classes.length + " integration tests to run");
99  
100     JUnitCore junit = new JUnitCore();
101     junit.addListener(new TextListener(System.out));
102     Result result = junit.run(classes);
103 
104     return result.wasSuccessful() ? 0 : 1;
105   }
106 
107 }