| /* |
| * 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.carbondata.core.cache.dictionary; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.carbondata.format.ColumnDictionaryChunk; |
| |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import static org.hamcrest.CoreMatchers.equalTo; |
| import static org.hamcrest.CoreMatchers.is; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| public class ColumnDictionaryChunkIteratorTest { |
| |
| private static ColumnDictionaryChunkIterator columnDictionaryChunkIterator; |
| private static List<byte[]> expectedResult; |
| |
| @BeforeClass public static void setUp() { |
| ColumnDictionaryChunk columnDictionaryChunk1 = new ColumnDictionaryChunk(); |
| ByteBuffer byteBuffer3 = ByteBuffer.wrap("c".getBytes()); |
| ByteBuffer byteBuffer4 = ByteBuffer.wrap("d".getBytes()); |
| columnDictionaryChunk1.setValues(new ArrayList<ByteBuffer>()); |
| ColumnDictionaryChunk columnDictionaryChunk2 = new ColumnDictionaryChunk(); |
| columnDictionaryChunk2.setValues(Arrays.asList(byteBuffer3, byteBuffer4)); |
| expectedResult = prepareExpectedData(); |
| columnDictionaryChunkIterator = new ColumnDictionaryChunkIterator( |
| Arrays.asList(columnDictionaryChunk1, columnDictionaryChunk2)); |
| } |
| |
| private static List<byte[]> prepareExpectedData() { |
| List<byte[]> chunks = new ArrayList<>(); |
| chunks.add("c".getBytes()); |
| chunks.add("d".getBytes()); |
| return chunks; |
| } |
| |
| @Test public void testNext() throws Exception { |
| List<byte[]> actual = new ArrayList<>(); |
| while (columnDictionaryChunkIterator.hasNext()) { |
| actual.add(columnDictionaryChunkIterator.next()); |
| } |
| for (int i = 0; i < actual.size(); i++) { |
| assertThat(expectedResult.get(i), is(equalTo(actual.get(i)))); |
| } |
| } |
| } |