| /* |
| * 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.operators; |
| |
| import org.apache.flink.api.common.functions.MapFunction; |
| import org.apache.flink.api.common.operators.Order; |
| import org.apache.flink.api.java.DataSet; |
| import org.apache.flink.api.java.ExecutionEnvironment; |
| import org.apache.flink.api.java.tuple.Tuple2; |
| import org.apache.flink.api.java.tuple.Tuple3; |
| import org.apache.flink.test.operators.util.CollectionDataSets; |
| import org.apache.flink.test.util.MultipleProgramsTestBase; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.util.Random; |
| import java.util.UUID; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| /** Tests for data sinks. */ |
| @SuppressWarnings("serial") |
| @RunWith(Parameterized.class) |
| public class DataSinkITCase extends MultipleProgramsTestBase { |
| |
| public DataSinkITCase(TestExecutionMode mode) { |
| super(mode); |
| } |
| |
| private String resultPath; |
| |
| @Rule public TemporaryFolder tempFolder = new TemporaryFolder(); |
| |
| @Before |
| public void before() throws Exception { |
| final File folder = tempFolder.newFolder(); |
| final File resultFile = new File(folder, UUID.randomUUID().toString()); |
| resultPath = resultFile.toURI().toString(); |
| } |
| |
| @Test |
| public void testIntSortingParallelism1() throws Exception { |
| final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<Integer> ds = CollectionDataSets.getIntegerDataSet(env); |
| ds.writeAsText(resultPath).sortLocalOutput("*", Order.DESCENDING).setParallelism(1); |
| |
| env.execute(); |
| |
| String expected = "5\n5\n5\n5\n5\n4\n4\n4\n4\n3\n3\n3\n2\n2\n1\n"; |
| compareResultsByLinesInMemoryWithStrictOrder(expected, resultPath); |
| } |
| |
| @Test |
| public void testStringSortingParallelism1() throws Exception { |
| final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<String> ds = CollectionDataSets.getStringDataSet(env); |
| ds.writeAsText(resultPath).sortLocalOutput("*", Order.ASCENDING).setParallelism(1); |
| |
| env.execute(); |
| |
| String expected = |
| "Hello\n" |
| + "Hello world\n" |
| + "Hello world, how are you?\n" |
| + "Hi\n" |
| + "I am fine.\n" |
| + "LOL\n" |
| + "Luke Skywalker\n" |
| + "Random comment\n"; |
| |
| compareResultsByLinesInMemoryWithStrictOrder(expected, resultPath); |
| } |
| |
| @Test |
| public void testTupleSortingSingleAscParallelism1() throws Exception { |
| final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<Tuple3<Integer, Long, String>> ds = CollectionDataSets.get3TupleDataSet(env); |
| ds.writeAsCsv(resultPath).sortLocalOutput(0, Order.ASCENDING).setParallelism(1); |
| |
| env.execute(); |
| |
| String expected = |
| "1,1,Hi\n" |
| + "2,2,Hello\n" |
| + "3,2,Hello world\n" |
| + "4,3,Hello world, how are you?\n" |
| + "5,3,I am fine.\n" |
| + "6,3,Luke Skywalker\n" |
| + "7,4,Comment#1\n" |
| + "8,4,Comment#2\n" |
| + "9,4,Comment#3\n" |
| + "10,4,Comment#4\n" |
| + "11,5,Comment#5\n" |
| + "12,5,Comment#6\n" |
| + "13,5,Comment#7\n" |
| + "14,5,Comment#8\n" |
| + "15,5,Comment#9\n" |
| + "16,6,Comment#10\n" |
| + "17,6,Comment#11\n" |
| + "18,6,Comment#12\n" |
| + "19,6,Comment#13\n" |
| + "20,6,Comment#14\n" |
| + "21,6,Comment#15\n"; |
| |
| compareResultsByLinesInMemoryWithStrictOrder(expected, resultPath); |
| } |
| |
| @Test |
| public void testTupleSortingSingleDescParallelism1() throws Exception { |
| final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<Tuple3<Integer, Long, String>> ds = CollectionDataSets.get3TupleDataSet(env); |
| ds.writeAsCsv(resultPath).sortLocalOutput(0, Order.DESCENDING).setParallelism(1); |
| |
| env.execute(); |
| |
| String expected = |
| "21,6,Comment#15\n" |
| + "20,6,Comment#14\n" |
| + "19,6,Comment#13\n" |
| + "18,6,Comment#12\n" |
| + "17,6,Comment#11\n" |
| + "16,6,Comment#10\n" |
| + "15,5,Comment#9\n" |
| + "14,5,Comment#8\n" |
| + "13,5,Comment#7\n" |
| + "12,5,Comment#6\n" |
| + "11,5,Comment#5\n" |
| + "10,4,Comment#4\n" |
| + "9,4,Comment#3\n" |
| + "8,4,Comment#2\n" |
| + "7,4,Comment#1\n" |
| + "6,3,Luke Skywalker\n" |
| + "5,3,I am fine.\n" |
| + "4,3,Hello world, how are you?\n" |
| + "3,2,Hello world\n" |
| + "2,2,Hello\n" |
| + "1,1,Hi\n"; |
| |
| compareResultsByLinesInMemoryWithStrictOrder(expected, resultPath); |
| } |
| |
| @Test |
| public void testTupleSortingDualParallelism1() throws Exception { |
| final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<Tuple3<Integer, Long, String>> ds = CollectionDataSets.get3TupleDataSet(env); |
| ds.writeAsCsv(resultPath) |
| .sortLocalOutput(1, Order.DESCENDING) |
| .sortLocalOutput(0, Order.ASCENDING) |
| .setParallelism(1); |
| |
| env.execute(); |
| |
| String expected = |
| "16,6,Comment#10\n" |
| + "17,6,Comment#11\n" |
| + "18,6,Comment#12\n" |
| + "19,6,Comment#13\n" |
| + "20,6,Comment#14\n" |
| + "21,6,Comment#15\n" |
| + "11,5,Comment#5\n" |
| + "12,5,Comment#6\n" |
| + "13,5,Comment#7\n" |
| + "14,5,Comment#8\n" |
| + "15,5,Comment#9\n" |
| + "7,4,Comment#1\n" |
| + "8,4,Comment#2\n" |
| + "9,4,Comment#3\n" |
| + "10,4,Comment#4\n" |
| + "4,3,Hello world, how are you?\n" |
| + "5,3,I am fine.\n" |
| + "6,3,Luke Skywalker\n" |
| + "2,2,Hello\n" |
| + "3,2,Hello world\n" |
| + "1,1,Hi\n"; |
| |
| compareResultsByLinesInMemoryWithStrictOrder(expected, resultPath); |
| } |
| |
| @Test |
| public void testTupleSortingNestedParallelism1() throws Exception { |
| final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<Tuple3<Tuple2<Integer, Integer>, String, Integer>> ds = |
| CollectionDataSets.getGroupSortedNestedTupleDataSet2(env); |
| ds.writeAsText(resultPath) |
| .sortLocalOutput("f0.f1", Order.ASCENDING) |
| .sortLocalOutput("f1", Order.DESCENDING) |
| .setParallelism(1); |
| |
| env.execute(); |
| |
| String expected = |
| "((2,1),a,3)\n" |
| + "((2,2),b,4)\n" |
| + "((1,2),a,1)\n" |
| + "((3,3),c,5)\n" |
| + "((1,3),a,2)\n" |
| + "((3,6),c,6)\n" |
| + "((4,9),c,7)\n"; |
| |
| compareResultsByLinesInMemoryWithStrictOrder(expected, resultPath); |
| } |
| |
| @Test |
| public void testTupleSortingNestedParallelism1_2() throws Exception { |
| final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<Tuple3<Tuple2<Integer, Integer>, String, Integer>> ds = |
| CollectionDataSets.getGroupSortedNestedTupleDataSet2(env); |
| ds.writeAsText(resultPath) |
| .sortLocalOutput(1, Order.ASCENDING) |
| .sortLocalOutput(2, Order.DESCENDING) |
| .setParallelism(1); |
| |
| env.execute(); |
| |
| String expected = |
| "((2,1),a,3)\n" |
| + "((1,3),a,2)\n" |
| + "((1,2),a,1)\n" |
| + "((2,2),b,4)\n" |
| + "((4,9),c,7)\n" |
| + "((3,6),c,6)\n" |
| + "((3,3),c,5)\n"; |
| |
| compareResultsByLinesInMemoryWithStrictOrder(expected, resultPath); |
| } |
| |
| @Test |
| public void testPojoSortingSingleParallelism1() throws Exception { |
| final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<CollectionDataSets.POJO> ds = CollectionDataSets.getMixedPojoDataSet(env); |
| ds.writeAsText(resultPath).sortLocalOutput("number", Order.ASCENDING).setParallelism(1); |
| |
| env.execute(); |
| |
| String expected = |
| "1 First (10,100,1000,One) 10100\n" |
| + "2 First_ (10,105,1000,One) 10200\n" |
| + "3 First (11,102,3000,One) 10200\n" |
| + "4 First_ (11,106,1000,One) 10300\n" |
| + "5 First (11,102,2000,One) 10100\n" |
| + "6 Second_ (20,200,2000,Two) 10100\n" |
| + "7 Third (31,301,2000,Three) 10200\n" |
| + "8 Third_ (30,300,1000,Three) 10100\n"; |
| |
| compareResultsByLinesInMemoryWithStrictOrder(expected, resultPath); |
| } |
| |
| @Test |
| public void testPojoSortingDualParallelism1() throws Exception { |
| final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<CollectionDataSets.POJO> ds = CollectionDataSets.getMixedPojoDataSet(env); |
| ds.writeAsText(resultPath) |
| .sortLocalOutput("str", Order.ASCENDING) |
| .sortLocalOutput("number", Order.DESCENDING) |
| .setParallelism(1); |
| |
| env.execute(); |
| |
| String expected = |
| "5 First (11,102,2000,One) 10100\n" |
| + "3 First (11,102,3000,One) 10200\n" |
| + "1 First (10,100,1000,One) 10100\n" |
| + "4 First_ (11,106,1000,One) 10300\n" |
| + "2 First_ (10,105,1000,One) 10200\n" |
| + "6 Second_ (20,200,2000,Two) 10100\n" |
| + "7 Third (31,301,2000,Three) 10200\n" |
| + "8 Third_ (30,300,1000,Three) 10100\n"; |
| |
| compareResultsByLinesInMemoryWithStrictOrder(expected, resultPath); |
| } |
| |
| @Test |
| public void testPojoSortingNestedParallelism1() throws Exception { |
| final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<CollectionDataSets.POJO> ds = CollectionDataSets.getMixedPojoDataSet(env); |
| ds.writeAsText(resultPath) |
| .sortLocalOutput("nestedTupleWithCustom.f0", Order.ASCENDING) |
| .sortLocalOutput("nestedTupleWithCustom.f1.myInt", Order.DESCENDING) |
| .sortLocalOutput("nestedPojo.longNumber", Order.ASCENDING) |
| .setParallelism(1); |
| |
| env.execute(); |
| |
| String expected = |
| "2 First_ (10,105,1000,One) 10200\n" |
| + "1 First (10,100,1000,One) 10100\n" |
| + "4 First_ (11,106,1000,One) 10300\n" |
| + "5 First (11,102,2000,One) 10100\n" |
| + "3 First (11,102,3000,One) 10200\n" |
| + "6 Second_ (20,200,2000,Two) 10100\n" |
| + "8 Third_ (30,300,1000,Three) 10100\n" |
| + "7 Third (31,301,2000,Three) 10200\n"; |
| |
| compareResultsByLinesInMemoryWithStrictOrder(expected, resultPath); |
| } |
| |
| @Test |
| public void testSortingParallelism4() throws Exception { |
| final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| |
| DataSet<Long> ds = env.generateSequence(0, 1000); |
| // randomize |
| ds.map( |
| new MapFunction<Long, Long>() { |
| |
| Random rand = new Random(1234L); |
| |
| @Override |
| public Long map(Long value) throws Exception { |
| return rand.nextLong(); |
| } |
| }) |
| .writeAsText(resultPath) |
| .sortLocalOutput("*", Order.ASCENDING) |
| .setParallelism(4); |
| |
| env.execute(); |
| |
| BufferedReader[] resReaders = getResultReader(resultPath); |
| for (BufferedReader br : resReaders) { |
| long cmp = Long.MIN_VALUE; |
| while (br.ready()) { |
| long cur = Long.parseLong(br.readLine()); |
| assertTrue("Invalid order of sorted output", cmp <= cur); |
| cmp = cur; |
| } |
| br.close(); |
| } |
| } |
| } |
