core/src/test/java/org/apache/accumulo/core/data/LoadPlanTest.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.
 */
package org.apache.accumulo.core.data;

import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.stream.Collectors.toSet;
import static org.junit.Assert.assertEquals;

import java.util.HashSet;
import java.util.Set;

import org.apache.accumulo.core.data.LoadPlan.Destination;
import org.apache.accumulo.core.data.LoadPlan.RangeType;
import org.apache.hadoop.io.Text;
import org.junit.Test;

public class LoadPlanTest {
  @Test(expected = IllegalArgumentException.class)
  public void testBadRange1() {
    LoadPlan.builder().loadFileTo("f1.rf", RangeType.TABLE, "a", "a").build();
  }

  @Test(expected = IllegalArgumentException.class)
  public void testBadRange2() {
    LoadPlan.builder().loadFileTo("f1.rf", RangeType.TABLE, "b", "a").build();
  }

  @Test(expected = IllegalArgumentException.class)
  public void testBadRange3() {
    LoadPlan.builder().loadFileTo("f1.rf", RangeType.FILE, "b", "a").build();
  }

  @Test(expected = IllegalArgumentException.class)
  public void testBadRange4() {
    LoadPlan.builder().loadFileTo("f1.rf", RangeType.FILE, null, "a").build();
  }

  @Test(expected = IllegalArgumentException.class)
  public void testBadRange5() {
    LoadPlan.builder().loadFileTo("f1.rf", RangeType.FILE, "a", null).build();
  }

  @Test
  public void testTypes() {
    LoadPlan loadPlan = LoadPlan.builder().loadFileTo("f1.rf", RangeType.FILE, "1112", "1145")
        .loadFileTo("f2.rf", RangeType.FILE, "abc".getBytes(UTF_8), "def".getBytes(UTF_8))
        .loadFileTo("f3.rf", RangeType.FILE, new Text("368"), new Text("479"))
        .loadFileTo("f4.rf", RangeType.TABLE, null, "aaa")
        .loadFileTo("f5.rf", RangeType.TABLE, "yyy", null)
        .loadFileTo("f6.rf", RangeType.TABLE, null, "bbb".getBytes(UTF_8))
        .loadFileTo("f7.rf", RangeType.TABLE, "www".getBytes(UTF_8), null)
        .loadFileTo("f8.rf", RangeType.TABLE, null, new Text("ccc"))
        .loadFileTo("f9.rf", RangeType.TABLE, new Text("xxx"), null)
        .loadFileTo("fa.rf", RangeType.TABLE, "1138", "1147")
        .loadFileTo("fb.rf", RangeType.TABLE, "heg".getBytes(UTF_8), "klt".getBytes(UTF_8))
        .loadFileTo("fc.rf", RangeType.TABLE, new Text("agt"), new Text("ctt"))
        .addPlan(
            LoadPlan.builder().loadFileTo("fd.rf", RangeType.TABLE, (String) null, null).build())
        .build();

    Set<String> expected = new HashSet<>();
    expected.add("f1.rf:FILE:1112:1145");
    expected.add("f2.rf:FILE:abc:def");
    expected.add("f3.rf:FILE:368:479");
    expected.add("f4.rf:TABLE:null:aaa");
    expected.add("f5.rf:TABLE:yyy:null");
    expected.add("f6.rf:TABLE:null:bbb");
    expected.add("f7.rf:TABLE:www:null");
    expected.add("f8.rf:TABLE:null:ccc");
    expected.add("f9.rf:TABLE:xxx:null");
    expected.add("fa.rf:TABLE:1138:1147");
    expected.add("fb.rf:TABLE:heg:klt");
    expected.add("fc.rf:TABLE:agt:ctt");
    expected.add("fd.rf:TABLE:null:null");

    Set<String> actual =
        loadPlan.getDestinations().stream().map(LoadPlanTest::toString).collect(toSet());

    assertEquals(expected, actual);

  }

  private static String toString(Destination d) {
    return d.getFileName() + ":" + d.getRangeType() + ":" + toString(d.getStartRow()) + ":"
        + toString(d.getEndRow());
  }

  private static String toString(byte[] r) {
    return r == null ? null : new String(r, UTF_8);
  }
}