| /* |
| * 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.flink.test.checkpointing; |
| |
| import org.apache.flink.core.fs.Path; |
| import org.apache.flink.streaming.api.functions.source.TimestampedFileInputSplit; |
| import org.apache.flink.util.TestLogger; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.PriorityQueue; |
| import java.util.Queue; |
| |
| /** Test the {@link TimestampedFileInputSplit} for Continuous File Processing. */ |
| public class TimestampedFileInputSplitTest extends TestLogger { |
| |
| @Test |
| public void testSplitEquality() { |
| |
| TimestampedFileInputSplit richFirstSplit = |
| new TimestampedFileInputSplit(10, 2, new Path("test"), 0, 100, null); |
| |
| TimestampedFileInputSplit richSecondSplit = |
| new TimestampedFileInputSplit(10, 2, new Path("test"), 0, 100, null); |
| Assert.assertEquals(richFirstSplit, richSecondSplit); |
| |
| TimestampedFileInputSplit richModSecondSplit = |
| new TimestampedFileInputSplit(11, 2, new Path("test"), 0, 100, null); |
| Assert.assertNotEquals(richSecondSplit, richModSecondSplit); |
| |
| TimestampedFileInputSplit richThirdSplit = |
| new TimestampedFileInputSplit(10, 2, new Path("test/test1"), 0, 100, null); |
| Assert.assertEquals(richThirdSplit.getModificationTime(), 10); |
| Assert.assertNotEquals(richFirstSplit, richThirdSplit); |
| |
| TimestampedFileInputSplit richThirdSplitCopy = |
| new TimestampedFileInputSplit(10, 2, new Path("test/test1"), 0, 100, null); |
| Assert.assertEquals(richThirdSplitCopy, richThirdSplit); |
| } |
| |
| @Test |
| public void testSplitComparison() { |
| TimestampedFileInputSplit richFirstSplit = |
| new TimestampedFileInputSplit(0, 3, new Path("test/test1"), 0, 100, null); |
| |
| TimestampedFileInputSplit richSecondSplit = |
| new TimestampedFileInputSplit(10, 2, new Path("test/test2"), 0, 100, null); |
| |
| TimestampedFileInputSplit richThirdSplit = |
| new TimestampedFileInputSplit(10, 1, new Path("test/test2"), 0, 100, null); |
| |
| TimestampedFileInputSplit richForthSplit = |
| new TimestampedFileInputSplit(11, 0, new Path("test/test3"), 0, 100, null); |
| |
| TimestampedFileInputSplit richFifthSplit = |
| new TimestampedFileInputSplit(11, 1, new Path("test/test3"), 0, 100, null); |
| |
| // smaller mod time |
| Assert.assertTrue(richFirstSplit.compareTo(richSecondSplit) < 0); |
| |
| // lexicographically on the path |
| Assert.assertTrue(richThirdSplit.compareTo(richFifthSplit) < 0); |
| |
| // same mod time, same file so smaller split number first |
| Assert.assertTrue(richThirdSplit.compareTo(richSecondSplit) < 0); |
| |
| // smaller modification time first |
| Assert.assertTrue(richThirdSplit.compareTo(richForthSplit) < 0); |
| } |
| |
| @Test |
| public void testIllegalArgument() { |
| try { |
| new TimestampedFileInputSplit( |
| -10, 2, new Path("test"), 0, 100, null); // invalid modification time |
| } catch (Exception e) { |
| if (!(e instanceof IllegalArgumentException)) { |
| Assert.fail(e.getMessage()); |
| } |
| } |
| } |
| |
| @Test |
| public void testPriorityQ() { |
| TimestampedFileInputSplit richFirstSplit = |
| new TimestampedFileInputSplit(0, 3, new Path("test/test1"), 0, 100, null); |
| |
| TimestampedFileInputSplit richSecondSplit = |
| new TimestampedFileInputSplit(10, 2, new Path("test/test2"), 0, 100, null); |
| |
| TimestampedFileInputSplit richThirdSplit = |
| new TimestampedFileInputSplit(10, 1, new Path("test/test2"), 0, 100, null); |
| |
| TimestampedFileInputSplit richForthSplit = |
| new TimestampedFileInputSplit(11, 0, new Path("test/test3"), 0, 100, null); |
| |
| TimestampedFileInputSplit richFifthSplit = |
| new TimestampedFileInputSplit(11, 1, new Path("test/test3"), 0, 100, null); |
| |
| Queue<TimestampedFileInputSplit> pendingSplits = new PriorityQueue<>(); |
| |
| pendingSplits.add(richSecondSplit); |
| pendingSplits.add(richForthSplit); |
| pendingSplits.add(richFirstSplit); |
| pendingSplits.add(richFifthSplit); |
| pendingSplits.add(richFifthSplit); |
| pendingSplits.add(richThirdSplit); |
| |
| List<TimestampedFileInputSplit> actualSortedSplits = new ArrayList<>(); |
| while (true) { |
| actualSortedSplits.add(pendingSplits.poll()); |
| if (pendingSplits.isEmpty()) { |
| break; |
| } |
| } |
| |
| List<TimestampedFileInputSplit> expectedSortedSplits = new ArrayList<>(); |
| expectedSortedSplits.add(richFirstSplit); |
| expectedSortedSplits.add(richThirdSplit); |
| expectedSortedSplits.add(richSecondSplit); |
| expectedSortedSplits.add(richForthSplit); |
| expectedSortedSplits.add(richFifthSplit); |
| expectedSortedSplits.add(richFifthSplit); |
| |
| Assert.assertArrayEquals(expectedSortedSplits.toArray(), actualSortedSplits.toArray()); |
| } |
| } |