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From joshelser <...@git.apache.org>
Subject [GitHub] accumulo pull request: ACCUMULO-2232 Added options to Combiner for...
Date Tue, 22 Sep 2015 04:38:07 GMT
Github user joshelser commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/47#discussion_r40052565
  
    --- Diff: core/src/test/java/org/apache/accumulo/core/iterators/user/CombinerTest.java
---
    @@ -786,4 +816,107 @@ public void testAdds() {
         assertEquals(LongCombiner.safeAdd(Long.MAX_VALUE - 5, 5), Long.MAX_VALUE);
       }
     
    +  private TreeMap<Key,Value> readAll(SortedKeyValueIterator<Key,Value> combiner)
throws Exception {
    +    TreeMap<Key,Value> ret = new TreeMap<Key,Value>();
    +
    +    combiner.seek(new Range(), EMPTY_COL_FAMS, false);
    +
    +    while (combiner.hasTop()) {
    +      ret.put(new Key(combiner.getTopKey()), new Value(combiner.getTopValue()));
    +      combiner.next();
    +    }
    +
    +    return ret;
    +  }
    +
    +  private void runDeleteHandlingTest(TreeMap<Key,Value> input, TreeMap<Key,Value>
expected, DeleteHandlingAction dha, IteratorEnvironment env)
    +      throws Exception {
    +    runDeleteHandlingTest(input, expected, dha, env, null);
    +  }
    +
    +  private void runDeleteHandlingTest(TreeMap<Key,Value> input, TreeMap<Key,Value>
expected, DeleteHandlingAction dha, IteratorEnvironment env,
    +      String expectedLog) throws Exception {
    +    boolean deepCopy = expected == null;
    +
    +    StringWriter writer = new StringWriter();
    +    WriterAppender appender = new WriterAppender(new PatternLayout("%p, %m%n"), writer);
    +    Logger logger = Logger.getLogger(Combiner.class);
    +    boolean additivity = logger.getAdditivity();
    +    try {
    +      logger.addAppender(appender);
    +      logger.setAdditivity(false);
    +
    +      Combiner ai = new SummingCombiner();
    +
    +      IteratorSetting is = new IteratorSetting(1, SummingCombiner.class);
    +      SummingCombiner.setEncodingType(is, LongCombiner.StringEncoder.class);
    +      Combiner.setColumns(is, Collections.singletonList(new IteratorSetting.Column("cf001")));
    +      if (dha != null) {
    +        Combiner.setDeleteHandlingAction(is, dha);
    +      }
    +
    +      ai.init(new SortedMapIterator(input), is.getOptions(), env);
    +
    +      if (deepCopy)
    +        assertEquals(expected, readAll(ai.deepCopy(env)));
    +      assertEquals(expected, readAll(ai));
    +
    +    } finally {
    +      logger.removeAppender(appender);
    --- End diff --
    
    Glad to see the try/finally logger reset.


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