core/src/test/java/org/apache/accumulo/core/client/impl/TableOperationsHelperTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
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package org.apache.accumulo.core.client.impl;

import java.io.IOException;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeMap;

import org.apache.accumulo.core.client.AccumuloException;
import org.apache.accumulo.core.client.AccumuloSecurityException;
import org.apache.accumulo.core.client.IteratorSetting;
import org.apache.accumulo.core.client.TableExistsException;
import org.apache.accumulo.core.client.TableNotFoundException;
import org.apache.accumulo.core.client.admin.CompactionConfig;
import org.apache.accumulo.core.client.admin.DiskUsage;
import org.apache.accumulo.core.client.admin.Locations;
import org.apache.accumulo.core.client.admin.NewTableConfiguration;
import org.apache.accumulo.core.client.sample.SamplerConfiguration;
import org.apache.accumulo.core.data.Range;
import org.apache.accumulo.core.iterators.IteratorUtil.IteratorScope;
import org.apache.accumulo.core.security.Authorizations;
import org.apache.hadoop.io.Text;
import org.junit.Assert;
import org.junit.Test;

public class TableOperationsHelperTest {

  static class Tester extends TableOperationsHelper {
    Map<String,Map<String,String>> settings = new HashMap<>();

    @Override
    public SortedSet<String> list() {
      return null;
    }

    @Override
    public boolean exists(String tableName) {
      return true;
    }

    @Override
    public void create(String tableName) throws AccumuloException, AccumuloSecurityException, TableExistsException {}

    @Override
    public void create(String tableName, NewTableConfiguration ntc) throws AccumuloException, AccumuloSecurityException, TableExistsException {}

    @Override
    public void addSplits(String tableName, SortedSet<Text> partitionKeys) throws TableNotFoundException, AccumuloException, AccumuloSecurityException {}

    @Override
    public Collection<Text> listSplits(String tableName) throws TableNotFoundException {
      return null;
    }

    @Override
    public Collection<Text> listSplits(String tableName, int maxSplits) throws TableNotFoundException {
      return null;
    }

    @Override
    public Text getMaxRow(String tableName, Authorizations auths, Text startRow, boolean startInclusive, Text endRow, boolean endInclusive)
        throws TableNotFoundException, AccumuloException, AccumuloSecurityException {
      return null;
    }

    @Override
    public void merge(String tableName, Text start, Text end) throws AccumuloException, AccumuloSecurityException, TableNotFoundException {

    }

    @Override
    public void deleteRows(String tableName, Text start, Text end) throws AccumuloException, AccumuloSecurityException, TableNotFoundException {}

    @Override
    public void compact(String tableName, Text start, Text end, boolean flush, boolean wait) throws AccumuloSecurityException, TableNotFoundException,
        AccumuloException {}

    @Override
    public void compact(String tableName, Text start, Text end, List<IteratorSetting> iterators, boolean flush, boolean wait) throws AccumuloSecurityException,
        TableNotFoundException, AccumuloException {}

    @Override
    public void compact(String tableName, CompactionConfig config) throws AccumuloSecurityException, TableNotFoundException, AccumuloException {}

    @Override
    public void delete(String tableName) throws AccumuloException, AccumuloSecurityException, TableNotFoundException {}

    @Override
    public void clone(String srcTableName, String newTableName, boolean flush, Map<String,String> propertiesToSet, Set<String> propertiesToExclude)
        throws AccumuloException, AccumuloSecurityException, TableNotFoundException, TableExistsException {}

    @Override
    public void rename(String oldTableName, String newTableName) throws AccumuloSecurityException, TableNotFoundException, AccumuloException,
        TableExistsException {}

    @Override
    public void flush(String tableName, Text start, Text end, boolean wait) throws AccumuloException, AccumuloSecurityException, TableNotFoundException {}

    @Override
    public void setProperty(String tableName, String property, String value) throws AccumuloException, AccumuloSecurityException {
      if (!settings.containsKey(tableName))
        settings.put(tableName, new TreeMap<String,String>());
      settings.get(tableName).put(property, value);
    }

    @Override
    public void removeProperty(String tableName, String property) throws AccumuloException, AccumuloSecurityException {
      if (!settings.containsKey(tableName))
        return;
      settings.get(tableName).remove(property);
    }

    @Override
    public Iterable<Entry<String,String>> getProperties(String tableName) throws AccumuloException, TableNotFoundException {
      Map<String,String> empty = Collections.emptyMap();
      if (!settings.containsKey(tableName))
        return empty.entrySet();
      return settings.get(tableName).entrySet();
    }

    @Override
    public void setLocalityGroups(String tableName, Map<String,Set<Text>> groups) throws AccumuloException, AccumuloSecurityException, TableNotFoundException {}

    @Override
    public Map<String,Set<Text>> getLocalityGroups(String tableName) throws AccumuloException, TableNotFoundException {
      return null;
    }

    @Override
    public Set<Range> splitRangeByTablets(String tableName, Range range, int maxSplits) throws AccumuloException, AccumuloSecurityException,
        TableNotFoundException {
      return null;
    }

    @Override
    public void importDirectory(String tableName, String dir, String failureDir, boolean setTime) throws TableNotFoundException, IOException,
        AccumuloException, AccumuloSecurityException {}

    @Override
    public void offline(String tableName) throws AccumuloSecurityException, AccumuloException, TableNotFoundException {

    }

    @Override
    public void online(String tableName) throws AccumuloSecurityException, AccumuloException, TableNotFoundException {}

    @Override
    public void offline(String tableName, boolean wait) throws AccumuloSecurityException, AccumuloException, TableNotFoundException {

    }

    @Override
    public void online(String tableName, boolean wait) throws AccumuloSecurityException, AccumuloException, TableNotFoundException {}

    @Override
    public void clearLocatorCache(String tableName) throws TableNotFoundException {}

    @Override
    public Map<String,String> tableIdMap() {
      return null;
    }

    @Override
    public List<DiskUsage> getDiskUsage(Set<String> tables) throws AccumuloException, AccumuloSecurityException, TableNotFoundException {
      return null;
    }

    @Override
    public void importTable(String tableName, String exportDir) throws TableExistsException, AccumuloException, AccumuloSecurityException {}

    @Override
    public void exportTable(String tableName, String exportDir) throws TableNotFoundException, AccumuloException, AccumuloSecurityException {}

    @Override
    public void cancelCompaction(String tableName) throws AccumuloSecurityException, TableNotFoundException, AccumuloException {}

    @Override
    public boolean testClassLoad(String tableName, String className, String asTypeName) throws AccumuloException, AccumuloSecurityException,
        TableNotFoundException {
      return false;
    }

    @Override
    public void setSamplerConfiguration(String tableName, SamplerConfiguration samplerConfiguration) throws TableNotFoundException, AccumuloException,
        AccumuloSecurityException {
      throw new UnsupportedOperationException();
    }

    @Override
    public void clearSamplerConfiguration(String tableName) throws TableNotFoundException, AccumuloException, AccumuloSecurityException {
      throw new UnsupportedOperationException();
    }

    @Override
    public SamplerConfiguration getSamplerConfiguration(String tableName) throws TableNotFoundException, AccumuloException, AccumuloSecurityException {
      throw new UnsupportedOperationException();
    }

    @Override
    public Locations locate(String tableName, Collection<Range> ranges) throws AccumuloException, AccumuloSecurityException, TableNotFoundException {
      throw new UnsupportedOperationException();
    }
  }

  protected TableOperationsHelper getHelper() {
    return new Tester();
  }

  void check(TableOperationsHelper t, String tablename, String[] values) throws Exception {
    Map<String,String> expected = new TreeMap<>();
    for (String value : values) {
      String parts[] = value.split("=", 2);
      expected.put(parts[0], parts[1]);
    }
    Map<String,String> actual = new TreeMap<>();
    for (Entry<String,String> entry : t.getProperties(tablename)) {
      actual.put(entry.getKey(), entry.getValue());
    }
    Assert.assertEquals(expected, actual);
  }

  @Test
  public void testAttachIterator() throws Exception {
    TableOperationsHelper t = getHelper();
    Map<String,String> empty = Collections.emptyMap();
    t.attachIterator("table", new IteratorSetting(10, "someName", "foo.bar", empty), EnumSet.of(IteratorScope.scan));
    check(t, "table", new String[] {"table.iterator.scan.someName=10,foo.bar",});
    t.removeIterator("table", "someName", EnumSet.of(IteratorScope.scan));
    check(t, "table", new String[] {});

    IteratorSetting setting = new IteratorSetting(10, "someName", "foo.bar");
    setting.addOptions(Collections.singletonMap("key", "value"));
    t.attachIterator("table", setting, EnumSet.of(IteratorScope.majc));
    setting = new IteratorSetting(10, "someName", "foo.bar");
    t.attachIterator("table", setting, EnumSet.of(IteratorScope.scan));
    check(t, "table", new String[] {"table.iterator.majc.someName=10,foo.bar", "table.iterator.majc.someName.opt.key=value",
        "table.iterator.scan.someName=10,foo.bar",});

    t.removeIterator("table", "someName", EnumSet.of(IteratorScope.scan));
    setting = new IteratorSetting(20, "otherName", "some.classname");
    setting.addOptions(Collections.singletonMap("key", "value"));
    t.attachIterator("table", setting, EnumSet.of(IteratorScope.majc));
    setting = new IteratorSetting(20, "otherName", "some.classname");
    t.attachIterator("table", setting, EnumSet.of(IteratorScope.scan));
    Map<String,EnumSet<IteratorScope>> two = t.listIterators("table");
    Assert.assertEquals(2, two.size());
    Assert.assertTrue(two.containsKey("otherName"));
    Assert.assertTrue(two.get("otherName").size() == 2);
    Assert.assertTrue(two.get("otherName").contains(IteratorScope.majc));
    Assert.assertTrue(two.get("otherName").contains(IteratorScope.scan));
    Assert.assertTrue(two.containsKey("someName"));
    Assert.assertTrue(two.get("someName").size() == 1);
    Assert.assertTrue(two.get("someName").contains(IteratorScope.majc));
    t.removeIterator("table", "someName", EnumSet.allOf(IteratorScope.class));
    check(t, "table", new String[] {"table.iterator.majc.otherName=20,some.classname", "table.iterator.majc.otherName.opt.key=value",
        "table.iterator.scan.otherName=20,some.classname",});

    setting = t.getIteratorSetting("table", "otherName", IteratorScope.scan);
    Assert.assertEquals(20, setting.getPriority());
    Assert.assertEquals("some.classname", setting.getIteratorClass());
    Assert.assertTrue(setting.getOptions().isEmpty());
    setting = t.getIteratorSetting("table", "otherName", IteratorScope.majc);
    Assert.assertEquals(20, setting.getPriority());
    Assert.assertEquals("some.classname", setting.getIteratorClass());
    Assert.assertFalse(setting.getOptions().isEmpty());
    Assert.assertEquals(Collections.singletonMap("key", "value"), setting.getOptions());
    t.attachIterator("table", setting, EnumSet.of(IteratorScope.minc));
    check(t, "table", new String[] {"table.iterator.majc.otherName=20,some.classname", "table.iterator.majc.otherName.opt.key=value",
        "table.iterator.minc.otherName=20,some.classname", "table.iterator.minc.otherName.opt.key=value", "table.iterator.scan.otherName=20,some.classname",});

    try {
      t.attachIterator("table", setting);
      Assert.fail();
    } catch (AccumuloException e) {
      // expected, ignore
    }
    setting.setName("thirdName");
    try {
      t.attachIterator("table", setting);
      Assert.fail();
    } catch (AccumuloException e) {}
    setting.setPriority(10);
    t.setProperty("table", "table.iterator.minc.thirdName.opt.key", "value");
    try {
      t.attachIterator("table", setting);
      Assert.fail();
    } catch (AccumuloException e) {}
    t.removeProperty("table", "table.iterator.minc.thirdName.opt.key");
    t.attachIterator("table", setting);
  }
}