@Test
  public void testConfigureAccumuloInputFormatWithIterators() throws Exception {
    AccumuloConnectionParameters accumuloParams = new AccumuloConnectionParameters(conf);
    ColumnMapper columnMapper =
        new ColumnMapper(
            conf.get(AccumuloSerDeParameters.COLUMN_MAPPINGS),
            conf.get(AccumuloSerDeParameters.DEFAULT_STORAGE_TYPE),
            columnNames,
            columnTypes);
    Set<Pair<Text, Text>> cfCqPairs =
        inputformat.getPairCollection(columnMapper.getColumnMappings());
    List<IteratorSetting> iterators = new ArrayList<IteratorSetting>();
    Set<Range> ranges = Collections.singleton(new Range());
    String instanceName = "realInstance";
    String zookeepers = "host1:2181,host2:2181,host3:2181";

    IteratorSetting cfg = new IteratorSetting(50, PrimitiveComparisonFilter.class);
    cfg.addOption(PrimitiveComparisonFilter.P_COMPARE_CLASS, StringCompare.class.getName());
    cfg.addOption(PrimitiveComparisonFilter.COMPARE_OPT_CLASS, Equal.class.getName());
    cfg.addOption(PrimitiveComparisonFilter.CONST_VAL, "dave");
    cfg.addOption(PrimitiveComparisonFilter.COLUMN, "person:name");
    iterators.add(cfg);

    cfg = new IteratorSetting(50, PrimitiveComparisonFilter.class);
    cfg.addOption(PrimitiveComparisonFilter.P_COMPARE_CLASS, IntCompare.class.getName());
    cfg.addOption(PrimitiveComparisonFilter.COMPARE_OPT_CLASS, Equal.class.getName());
    cfg.addOption(PrimitiveComparisonFilter.CONST_VAL, "50");
    cfg.addOption(PrimitiveComparisonFilter.COLUMN, "person:age");
    iterators.add(cfg);

    ZooKeeperInstance zkInstance = Mockito.mock(ZooKeeperInstance.class);
    HiveAccumuloTableInputFormat mockInputFormat = Mockito.mock(HiveAccumuloTableInputFormat.class);

    // Stub out the ZKI mock
    Mockito.when(zkInstance.getInstanceName()).thenReturn(instanceName);
    Mockito.when(zkInstance.getZooKeepers()).thenReturn(zookeepers);

    // Call out to the real configure method
    Mockito.doCallRealMethod()
        .when(mockInputFormat)
        .configure(conf, zkInstance, con, accumuloParams, columnMapper, iterators, ranges);

    // Also compute the correct cf:cq pairs so we can assert the right argument was passed
    Mockito.doCallRealMethod()
        .when(mockInputFormat)
        .getPairCollection(columnMapper.getColumnMappings());

    mockInputFormat.configure(
        conf, zkInstance, con, accumuloParams, columnMapper, iterators, ranges);

    // Verify that the correct methods are invoked on AccumuloInputFormat
    Mockito.verify(mockInputFormat).setZooKeeperInstance(conf, instanceName, zookeepers, false);
    Mockito.verify(mockInputFormat).setConnectorInfo(conf, USER, new PasswordToken(PASS));
    Mockito.verify(mockInputFormat).setInputTableName(conf, TEST_TABLE);
    Mockito.verify(mockInputFormat)
        .setScanAuthorizations(conf, con.securityOperations().getUserAuthorizations(USER));
    Mockito.verify(mockInputFormat).addIterators(conf, iterators);
    Mockito.verify(mockInputFormat).setRanges(conf, ranges);
    Mockito.verify(mockInputFormat).fetchColumns(conf, cfCqPairs);
  }
  @Test
  public void testColumnMappingsToPairs() {
    List<ColumnMapping> mappings = new ArrayList<ColumnMapping>();
    Set<Pair<Text, Text>> columns = new HashSet<Pair<Text, Text>>();

    // Row ID
    mappings.add(
        new HiveAccumuloRowIdColumnMapping(
            AccumuloHiveConstants.ROWID,
            ColumnEncoding.STRING,
            "row",
            TypeInfoFactory.stringTypeInfo.toString()));

    // Some cf:cq
    mappings.add(
        new HiveAccumuloColumnMapping(
            "person",
            "name",
            ColumnEncoding.STRING,
            "col1",
            TypeInfoFactory.stringTypeInfo.toString()));
    mappings.add(
        new HiveAccumuloColumnMapping(
            "person",
            "age",
            ColumnEncoding.STRING,
            "col2",
            TypeInfoFactory.stringTypeInfo.toString()));
    mappings.add(
        new HiveAccumuloColumnMapping(
            "person",
            "height",
            ColumnEncoding.STRING,
            "col3",
            TypeInfoFactory.stringTypeInfo.toString()));

    // Bare cf
    mappings.add(
        new HiveAccumuloColumnMapping(
            "city",
            "name",
            ColumnEncoding.STRING,
            "col4",
            TypeInfoFactory.stringTypeInfo.toString()));

    columns.add(new Pair<Text, Text>(new Text("person"), new Text("name")));
    columns.add(new Pair<Text, Text>(new Text("person"), new Text("age")));
    columns.add(new Pair<Text, Text>(new Text("person"), new Text("height")));
    // Null qualifier would mean all qualifiers in that family, want an empty qualifier
    columns.add(new Pair<Text, Text>(new Text("city"), new Text("name")));

    assertEquals(columns, inputformat.getPairCollection(mappings));
  }
  @Test
  public void testConfigureAccumuloInputFormatWithAuthorizations() throws Exception {
    AccumuloConnectionParameters accumuloParams = new AccumuloConnectionParameters(conf);
    conf.set(AccumuloSerDeParameters.AUTHORIZATIONS_KEY, "foo,bar");
    ColumnMapper columnMapper =
        new ColumnMapper(
            conf.get(AccumuloSerDeParameters.COLUMN_MAPPINGS),
            conf.get(AccumuloSerDeParameters.DEFAULT_STORAGE_TYPE),
            columnNames,
            columnTypes);
    Set<Pair<Text, Text>> cfCqPairs =
        inputformat.getPairCollection(columnMapper.getColumnMappings());
    List<IteratorSetting> iterators = Collections.emptyList();
    Set<Range> ranges = Collections.singleton(new Range());
    String instanceName = "realInstance";
    String zookeepers = "host1:2181,host2:2181,host3:2181";

    ZooKeeperInstance zkInstance = Mockito.mock(ZooKeeperInstance.class);
    HiveAccumuloTableInputFormat mockInputFormat = Mockito.mock(HiveAccumuloTableInputFormat.class);

    // Stub out the ZKI mock
    Mockito.when(zkInstance.getInstanceName()).thenReturn(instanceName);
    Mockito.when(zkInstance.getZooKeepers()).thenReturn(zookeepers);

    // Call out to the real configure method
    Mockito.doCallRealMethod()
        .when(mockInputFormat)
        .configure(conf, zkInstance, con, accumuloParams, columnMapper, iterators, ranges);

    // Also compute the correct cf:cq pairs so we can assert the right argument was passed
    Mockito.doCallRealMethod()
        .when(mockInputFormat)
        .getPairCollection(columnMapper.getColumnMappings());

    mockInputFormat.configure(
        conf, zkInstance, con, accumuloParams, columnMapper, iterators, ranges);

    // Verify that the correct methods are invoked on AccumuloInputFormat
    Mockito.verify(mockInputFormat).setZooKeeperInstance(conf, instanceName, zookeepers, false);
    Mockito.verify(mockInputFormat).setConnectorInfo(conf, USER, new PasswordToken(PASS));
    Mockito.verify(mockInputFormat).setInputTableName(conf, TEST_TABLE);
    Mockito.verify(mockInputFormat).setScanAuthorizations(conf, new Authorizations("foo,bar"));
    Mockito.verify(mockInputFormat).addIterators(conf, iterators);
    Mockito.verify(mockInputFormat).setRanges(conf, ranges);
    Mockito.verify(mockInputFormat).fetchColumns(conf, cfCqPairs);
  }
  @Test
  public void testMapColumnPairs() throws TooManyAccumuloColumnsException {
    ColumnMapper columnMapper =
        new ColumnMapper(
            ":rowID,cf:*",
            conf.get(AccumuloSerDeParameters.DEFAULT_STORAGE_TYPE),
            Arrays.asList("row", "col"),
            Arrays.<TypeInfo>asList(
                TypeInfoFactory.stringTypeInfo,
                TypeInfoFactory.getMapTypeInfo(
                    TypeInfoFactory.stringTypeInfo, TypeInfoFactory.stringTypeInfo)));
    Set<Pair<Text, Text>> pairs = inputformat.getPairCollection(columnMapper.getColumnMappings());

    Assert.assertEquals(1, pairs.size());

    Pair<Text, Text> cfCq = pairs.iterator().next();
    Assert.assertEquals("cf", cfCq.getFirst().toString());
    Assert.assertNull(cfCq.getSecond());
  }
  @Test
  public void testConfigureMockAccumuloInputFormat() throws Exception {
    AccumuloConnectionParameters accumuloParams = new AccumuloConnectionParameters(conf);
    ColumnMapper columnMapper =
        new ColumnMapper(
            conf.get(AccumuloSerDeParameters.COLUMN_MAPPINGS),
            conf.get(AccumuloSerDeParameters.DEFAULT_STORAGE_TYPE),
            columnNames,
            columnTypes);
    Set<Pair<Text, Text>> cfCqPairs =
        inputformat.getPairCollection(columnMapper.getColumnMappings());
    List<IteratorSetting> iterators = Collections.emptyList();
    Set<Range> ranges = Collections.singleton(new Range());

    HiveAccumuloTableInputFormat mockInputFormat = Mockito.mock(HiveAccumuloTableInputFormat.class);

    // Call out to the real configure method
    Mockito.doCallRealMethod()
        .when(mockInputFormat)
        .configure(conf, mockInstance, con, accumuloParams, columnMapper, iterators, ranges);

    // Also compute the correct cf:cq pairs so we can assert the right argument was passed
    Mockito.doCallRealMethod()
        .when(mockInputFormat)
        .getPairCollection(columnMapper.getColumnMappings());

    mockInputFormat.configure(
        conf, mockInstance, con, accumuloParams, columnMapper, iterators, ranges);

    // Verify that the correct methods are invoked on AccumuloInputFormat
    Mockito.verify(mockInputFormat).setMockInstance(conf, mockInstance.getInstanceName());
    Mockito.verify(mockInputFormat).setConnectorInfo(conf, USER, new PasswordToken(PASS));
    Mockito.verify(mockInputFormat).setInputTableName(conf, TEST_TABLE);
    Mockito.verify(mockInputFormat)
        .setScanAuthorizations(conf, con.securityOperations().getUserAuthorizations(USER));
    Mockito.verify(mockInputFormat).addIterators(conf, iterators);
    Mockito.verify(mockInputFormat).setRanges(conf, ranges);
    Mockito.verify(mockInputFormat).fetchColumns(conf, cfCqPairs);
  }