| /* |
| * 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.iceberg; |
| |
| import java.util.List; |
| import org.apache.iceberg.relocated.com.google.common.collect.Lists; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import static org.apache.iceberg.BaseFileScanTask.FixedSizeSplitScanTaskIterator; |
| |
| public class TestFixedSizeSplitScanTaskIterator { |
| @Test |
| public void testSplits() { |
| verify(15L, 100L, asList( |
| asList(0L, 15L), asList(15L, 15L), asList(30L, 15L), asList(45L, 15L), asList(60L, 15L), |
| asList(75L, 15L), asList(90L, 10L))); |
| verify(10L, 10L, asList(asList(0L, 10L))); |
| verify(20L, 10L, asList(asList(0L, 10L))); |
| } |
| |
| private static void verify(long splitSize, long fileLen, List<List<Long>> offsetLenPairs) { |
| List<FileScanTask> tasks = Lists.newArrayList( |
| new FixedSizeSplitScanTaskIterator(splitSize, new MockFileScanTask(fileLen))); |
| for (int i = 0; i < tasks.size(); i++) { |
| FileScanTask task = tasks.get(i); |
| List<Long> split = offsetLenPairs.get(i); |
| long offset = split.get(0); |
| long length = split.get(1); |
| Assert.assertEquals(offset, task.start()); |
| Assert.assertEquals(length, task.length()); |
| } |
| } |
| |
| private <T> List<T> asList(T... items) { |
| return Lists.newArrayList(items); |
| } |
| } |