| /* |
| * 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.sysds.test.functions.io.json; |
| |
| import org.apache.commons.lang3.tuple.Pair; |
| import org.apache.wink.json4j.JSONException; |
| import org.junit.Test; |
| import org.apache.sysds.common.Types; |
| import org.apache.sysds.runtime.io.FrameReaderJSONLParallel; |
| import org.apache.sysds.runtime.io.FrameWriterJSONLParallel; |
| import org.apache.sysds.runtime.matrix.data.FrameBlock; |
| import org.apache.sysds.runtime.util.DataConverter; |
| import org.apache.sysds.test.TestUtils; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| import java.util.Random; |
| |
| public class FrameReaderWriterJSONLParallelTest |
| { |
| private static final String FILENAME_SINGLE = "target/testTemp/functions/data/FrameJSONLParallelTest/testFrameBlock.json"; |
| |
| @Test |
| public void testWriteReadFrameBlockSingleSingleFromHDFS() throws IOException, JSONException { |
| testWriteReadFrameBlockComplete(1,1, 4669201); |
| } |
| |
| @Test |
| public void testWriteReadFrameBlockSingleMultipleFromHDFS() throws IOException, JSONException { |
| testWriteReadFrameBlockComplete(1,23, 4669201); |
| } |
| |
| @Test |
| public void testWriteReadFrameBlockMultipleSingleFromHDFS() throws IOException, JSONException { |
| testWriteReadFrameBlockComplete(21,1, 4669201); |
| } |
| |
| @Test |
| public void testWriteReadFrameBlockMultipleMultipleFromHDFS() throws IOException, JSONException { |
| testWriteReadFrameBlockComplete(42,35, 4669201); |
| } |
| |
| @Test |
| public void testWriteReadFrameBlockMultipleMultipleSmallFromHDFS() throws IOException, JSONException { |
| testWriteReadFrameBlockComplete(694,164, 4669201); |
| } |
| |
| @Test |
| public void testWriteReadFrameBlockMultipleMultipleMediumFromHDFS() throws IOException, JSONException { |
| testWriteReadFrameBlockComplete(30424,327, 4669201); |
| } |
| |
| public void testWriteReadFrameBlockComplete(int rows, int cols, long seed) throws IOException, JSONException { |
| Pair<FrameBlock, FrameBlock> writeReadPair = testWriteReadFullFrameBlockFromHDFS(rows, cols, seed); |
| String[][] strWriteBlock = DataConverter.convertToStringFrame(writeReadPair.getLeft()); |
| String[][] strReadBlock = DataConverter.convertToStringFrame(writeReadPair.getRight()); |
| TestUtils.compareFrames(strWriteBlock, strReadBlock, rows, cols); |
| } |
| |
| public Pair<FrameBlock,FrameBlock> testWriteReadFullFrameBlockFromHDFS(int rows, int cols, |
| Types.ValueType[] schema, Map<String, Integer> schemaMap, Random random) |
| throws IOException, JSONException |
| { |
| FrameWriterJSONLParallel frameWriterJSONL = new FrameWriterJSONLParallel(); |
| FrameReaderJSONLParallel frameReaderJSONL = new FrameReaderJSONLParallel(); |
| |
| // Generate Random frameBlock to be written |
| FrameBlock writeBlock = TestUtils.generateRandomFrameBlock(rows, cols, schema, random); |
| |
| // Write FrameBlock |
| frameWriterJSONL.writeFrameToHDFS(writeBlock, FILENAME_SINGLE, schemaMap, rows,cols); |
| |
| // Read FrameBlock |
| FrameBlock readBlock = frameReaderJSONL.readFrameFromHDFS(FILENAME_SINGLE, schema, schemaMap, rows, cols); |
| |
| return Pair.of(writeBlock, readBlock); |
| |
| } |
| |
| public Pair<FrameBlock,FrameBlock> testWriteReadFullFrameBlockFromHDFS(int rows, int cols, long seed) |
| throws IOException, JSONException |
| { |
| Random random = new Random(seed); |
| Map<String, Integer> schemaMap = TestUtils.generateRandomSchemaMap(cols, random); |
| Types.ValueType[] schema = TestUtils.generateRandomSchema(cols, random); |
| return testWriteReadFullFrameBlockFromHDFS(rows, cols, schema, schemaMap, random); |
| } |
| } |