| /* |
| * 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.iotdb.tsfile.write.writer; |
| |
| import org.apache.iotdb.tsfile.common.conf.TSFileConfig; |
| import org.apache.iotdb.tsfile.constant.TestConstant; |
| import org.apache.iotdb.tsfile.encoding.decoder.PlainDecoder; |
| import org.apache.iotdb.tsfile.encoding.encoder.PlainEncoder; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding; |
| import org.apache.iotdb.tsfile.utils.Binary; |
| import org.apache.iotdb.tsfile.utils.ReadWriteForEncodingUtils; |
| import org.apache.iotdb.tsfile.write.page.PageWriter; |
| import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; |
| |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| public class PageWriterTest { |
| |
| @Test |
| public void testWriteInt() { |
| PageWriter writer = new PageWriter(); |
| writer.setTimeEncoder(new PlainEncoder(TSDataType.INT64, 0)); |
| writer.setValueEncoder(new PlainEncoder(TSDataType.INT32, 0)); |
| writer.initStatistics(TSDataType.INT32); |
| int value = 1; |
| int timeCount = 0; |
| try { |
| writer.write(timeCount++, value); |
| assertEquals(9, writer.estimateMaxMemSize()); |
| ByteBuffer buffer1 = writer.getUncompressedBytes(); |
| ByteBuffer buffer = ByteBuffer.wrap(buffer1.array()); |
| writer.reset(new MeasurementSchema("s0", TSDataType.INT32, TSEncoding.RLE)); |
| assertEquals(0, writer.estimateMaxMemSize()); |
| int timeSize = ReadWriteForEncodingUtils.readUnsignedVarInt(buffer); |
| byte[] timeBytes = new byte[timeSize]; |
| buffer.get(timeBytes); |
| ByteBuffer buffer2 = ByteBuffer.wrap(timeBytes); |
| PlainDecoder decoder = new PlainDecoder(); |
| for (int i = 0; i < timeCount; i++) { |
| assertEquals(i, decoder.readLong(buffer2)); |
| } |
| decoder.reset(); |
| assertEquals(value, decoder.readInt(buffer)); |
| } catch (IOException e) { |
| fail(); |
| } |
| } |
| |
| @Test |
| public void testWriteLong() { |
| PageWriter writer = new PageWriter(); |
| writer.setTimeEncoder(new PlainEncoder(TSDataType.INT64, 0)); |
| writer.setValueEncoder(new PlainEncoder(TSDataType.INT64, 0)); |
| writer.initStatistics(TSDataType.INT64); |
| long value = 123142120391L; |
| int timeCount = 0; |
| try { |
| writer.write(timeCount++, value); |
| assertEquals(16, writer.estimateMaxMemSize()); |
| ByteBuffer buffer1 = writer.getUncompressedBytes(); |
| ByteBuffer buffer = ByteBuffer.wrap(buffer1.array()); |
| writer.reset(new MeasurementSchema("s0", TSDataType.INT64, TSEncoding.RLE)); |
| assertEquals(0, writer.estimateMaxMemSize()); |
| int timeSize = ReadWriteForEncodingUtils.readUnsignedVarInt(buffer); |
| byte[] timeBytes = new byte[timeSize]; |
| buffer.get(timeBytes); |
| ByteBuffer buffer2 = ByteBuffer.wrap(timeBytes); |
| PlainDecoder decoder = new PlainDecoder(); |
| for (int i = 0; i < timeCount; i++) { |
| assertEquals(i, decoder.readLong(buffer2)); |
| } |
| assertEquals(value, decoder.readLong(buffer)); |
| |
| } catch (IOException e) { |
| fail(); |
| } |
| } |
| |
| @Test |
| public void testWriteFloat() { |
| PageWriter writer = new PageWriter(); |
| writer.setTimeEncoder(new PlainEncoder(TSDataType.INT64, 0)); |
| writer.setValueEncoder(new PlainEncoder(TSDataType.FLOAT, 0)); |
| writer.initStatistics(TSDataType.FLOAT); |
| float value = 2.2f; |
| int timeCount = 0; |
| try { |
| writer.write(timeCount++, value); |
| assertEquals(12, writer.estimateMaxMemSize()); |
| ByteBuffer buffer1 = writer.getUncompressedBytes(); |
| ByteBuffer buffer = ByteBuffer.wrap(buffer1.array()); |
| writer.reset(new MeasurementSchema("s0", TSDataType.INT64, TSEncoding.RLE)); |
| assertEquals(0, writer.estimateMaxMemSize()); |
| int timeSize = ReadWriteForEncodingUtils.readUnsignedVarInt(buffer); |
| byte[] timeBytes = new byte[timeSize]; |
| buffer.get(timeBytes); |
| ByteBuffer buffer2 = ByteBuffer.wrap(timeBytes); |
| PlainDecoder decoder = new PlainDecoder(); |
| for (int i = 0; i < timeCount; i++) { |
| assertEquals(i, decoder.readLong(buffer2)); |
| } |
| assertEquals(value, decoder.readFloat(buffer), TestConstant.float_min_delta); |
| |
| } catch (IOException e) { |
| fail(); |
| } |
| } |
| |
| @Test |
| public void testWriteBoolean() { |
| PageWriter writer = new PageWriter(); |
| writer.setTimeEncoder(new PlainEncoder(TSDataType.INT64, 0)); |
| writer.setValueEncoder(new PlainEncoder(TSDataType.BOOLEAN, 0)); |
| writer.initStatistics(TSDataType.BOOLEAN); |
| boolean value = false; |
| int timeCount = 0; |
| try { |
| writer.write(timeCount++, value); |
| assertEquals(9, writer.estimateMaxMemSize()); |
| ByteBuffer buffer1 = writer.getUncompressedBytes(); |
| ByteBuffer buffer = ByteBuffer.wrap(buffer1.array()); |
| writer.reset(new MeasurementSchema("s0", TSDataType.INT64, TSEncoding.RLE)); |
| assertEquals(0, writer.estimateMaxMemSize()); |
| int timeSize = ReadWriteForEncodingUtils.readUnsignedVarInt(buffer); |
| byte[] timeBytes = new byte[timeSize]; |
| buffer.get(timeBytes); |
| ByteBuffer buffer2 = ByteBuffer.wrap(timeBytes); |
| PlainDecoder decoder = new PlainDecoder(); |
| for (int i = 0; i < timeCount; i++) { |
| assertEquals(i, decoder.readLong(buffer2)); |
| } |
| assertEquals(value, decoder.readBoolean(buffer)); |
| } catch (IOException e) { |
| fail(); |
| } |
| } |
| |
| @Test |
| public void testWriteBinary() { |
| PageWriter writer = new PageWriter(); |
| writer.setTimeEncoder(new PlainEncoder(TSDataType.INT64, 0)); |
| writer.setValueEncoder(new PlainEncoder(TSDataType.TEXT, 0)); |
| writer.initStatistics(TSDataType.TEXT); |
| String value = "I have a dream"; |
| int timeCount = 0; |
| try { |
| writer.write(timeCount++, new Binary(value, TSFileConfig.STRING_CHARSET)); |
| assertEquals(23, writer.estimateMaxMemSize()); |
| ByteBuffer buffer1 = writer.getUncompressedBytes(); |
| ByteBuffer buffer = ByteBuffer.wrap(buffer1.array()); |
| writer.reset(new MeasurementSchema("s0", TSDataType.INT64, TSEncoding.RLE)); |
| assertEquals(0, writer.estimateMaxMemSize()); |
| int timeSize = ReadWriteForEncodingUtils.readUnsignedVarInt(buffer); |
| byte[] timeBytes = new byte[timeSize]; |
| buffer.get(timeBytes); |
| ByteBuffer buffer2 = ByteBuffer.wrap(timeBytes); |
| PlainDecoder decoder = new PlainDecoder(); |
| for (int i = 0; i < timeCount; i++) { |
| assertEquals(i, decoder.readLong(buffer2)); |
| } |
| assertEquals(value, decoder.readBinary(buffer).getStringValue(TSFileConfig.STRING_CHARSET)); |
| |
| } catch (IOException e) { |
| fail(); |
| } |
| } |
| |
| @Test |
| public void testWriteDouble() { |
| PageWriter writer = new PageWriter(); |
| writer.setTimeEncoder(new PlainEncoder(TSDataType.INT64, 0)); |
| writer.setValueEncoder(new PlainEncoder(TSDataType.DOUBLE, 0)); |
| writer.initStatistics(TSDataType.DOUBLE); |
| double value = 1d; |
| int timeCount = 0; |
| try { |
| writer.write(timeCount++, value); |
| assertEquals(16, writer.estimateMaxMemSize()); |
| ByteBuffer buffer1 = writer.getUncompressedBytes(); |
| ByteBuffer buffer = ByteBuffer.wrap(buffer1.array()); |
| writer.reset(new MeasurementSchema("s0", TSDataType.INT64, TSEncoding.RLE)); |
| assertEquals(0, writer.estimateMaxMemSize()); |
| int timeSize = ReadWriteForEncodingUtils.readUnsignedVarInt(buffer); |
| byte[] timeBytes = new byte[timeSize]; |
| buffer.get(timeBytes); |
| ByteBuffer buffer2 = ByteBuffer.wrap(timeBytes); |
| PlainDecoder decoder = new PlainDecoder(); |
| for (int i = 0; i < timeCount; i++) { |
| assertEquals(i, decoder.readLong(buffer2)); |
| } |
| assertEquals(value, decoder.readDouble(buffer), 0); |
| |
| } catch (IOException e) { |
| fail(); |
| } |
| } |
| } |