| /* |
| * 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.encoding.encoder.Encoder; |
| import org.apache.iotdb.tsfile.encoding.encoder.PlainEncoder; |
| import org.apache.iotdb.tsfile.file.MetaMarker; |
| import org.apache.iotdb.tsfile.file.metadata.enums.CompressionType; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding; |
| import org.apache.iotdb.tsfile.utils.PublicBAOS; |
| import org.apache.iotdb.tsfile.utils.ReadWriteForEncodingUtils; |
| import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; |
| import org.apache.iotdb.tsfile.write.chunk.TimeChunkWriter; |
| |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.fail; |
| |
| public class TimeChunkWriterTest { |
| |
| @Test |
| public void testWrite1() { |
| Encoder timeEncoder = new PlainEncoder(TSDataType.INT64, 0); |
| TimeChunkWriter chunkWriter = |
| new TimeChunkWriter("c1", CompressionType.UNCOMPRESSED, TSEncoding.PLAIN, timeEncoder); |
| for (long time = 1; time <= 10; time++) { |
| chunkWriter.write(time); |
| } |
| assertFalse(chunkWriter.checkPageSizeAndMayOpenANewPage()); |
| chunkWriter.sealCurrentPage(); |
| // page without statistics size: 82 + chunk header size: 8 |
| assertEquals(90L, chunkWriter.getCurrentChunkSize()); |
| |
| try { |
| TestTsFileOutput testTsFileOutput = new TestTsFileOutput(); |
| TsFileIOWriter writer = new TsFileIOWriter(testTsFileOutput, true); |
| chunkWriter.writeAllPagesOfChunkToTsFile(writer); |
| PublicBAOS publicBAOS = testTsFileOutput.publicBAOS; |
| ByteBuffer buffer = ByteBuffer.wrap(publicBAOS.getBuf(), 0, publicBAOS.size()); |
| assertEquals(MetaMarker.ONLY_ONE_PAGE_TIME_CHUNK_HEADER, ReadWriteIOUtils.readByte(buffer)); |
| assertEquals("c1", ReadWriteIOUtils.readVarIntString(buffer)); |
| assertEquals(82, ReadWriteForEncodingUtils.readUnsignedVarInt(buffer)); |
| assertEquals(TSDataType.VECTOR.serialize(), ReadWriteIOUtils.readByte(buffer)); |
| assertEquals(CompressionType.UNCOMPRESSED.serialize(), ReadWriteIOUtils.readByte(buffer)); |
| assertEquals(TSEncoding.PLAIN.serialize(), ReadWriteIOUtils.readByte(buffer)); |
| assertEquals(82, buffer.remaining()); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| } |
| |
| @Test |
| public void testWrite2() { |
| Encoder timeEncoder = new PlainEncoder(TSDataType.INT64, 0); |
| TimeChunkWriter chunkWriter = |
| new TimeChunkWriter("c1", CompressionType.UNCOMPRESSED, TSEncoding.PLAIN, timeEncoder); |
| for (long time = 1; time <= 10; time++) { |
| chunkWriter.write(time); |
| } |
| chunkWriter.sealCurrentPage(); |
| for (long time = 11; time <= 20; time++) { |
| chunkWriter.write(time); |
| } |
| chunkWriter.sealCurrentPage(); |
| assertEquals(2, chunkWriter.getNumOfPages()); |
| // two pages with statistics size: (82 + 17) * 2 + chunk header size: 9 |
| assertEquals(207L, chunkWriter.getCurrentChunkSize()); |
| |
| try { |
| TestTsFileOutput testTsFileOutput = new TestTsFileOutput(); |
| TsFileIOWriter writer = new TsFileIOWriter(testTsFileOutput, true); |
| chunkWriter.writeAllPagesOfChunkToTsFile(writer); |
| PublicBAOS publicBAOS = testTsFileOutput.publicBAOS; |
| ByteBuffer buffer = ByteBuffer.wrap(publicBAOS.getBuf(), 0, publicBAOS.size()); |
| assertEquals(MetaMarker.TIME_CHUNK_HEADER, ReadWriteIOUtils.readByte(buffer)); |
| assertEquals("c1", ReadWriteIOUtils.readVarIntString(buffer)); |
| assertEquals(198, ReadWriteForEncodingUtils.readUnsignedVarInt(buffer)); |
| assertEquals(TSDataType.VECTOR.serialize(), ReadWriteIOUtils.readByte(buffer)); |
| assertEquals(CompressionType.UNCOMPRESSED.serialize(), ReadWriteIOUtils.readByte(buffer)); |
| assertEquals(TSEncoding.PLAIN.serialize(), ReadWriteIOUtils.readByte(buffer)); |
| assertEquals(198, buffer.remaining()); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| } |
| |
| @Test |
| public void testWrite3() { |
| Encoder timeEncoder = new PlainEncoder(TSDataType.INT64, 0); |
| TimeChunkWriter chunkWriter = |
| new TimeChunkWriter("c1", CompressionType.UNCOMPRESSED, TSEncoding.PLAIN, timeEncoder); |
| long[] times = new long[10]; |
| for (int i = 0; i < 10; i++) { |
| times[i] = i + 1; |
| } |
| chunkWriter.write(times, 10, 0); |
| chunkWriter.sealCurrentPage(); |
| for (int i = 0; i < 10; i++) { |
| times[i] = i + 11; |
| } |
| chunkWriter.write(times, 10, 0); |
| chunkWriter.sealCurrentPage(); |
| assertEquals(2, chunkWriter.getNumOfPages()); |
| // two pages with statistics size: (82 + 17) * 2 + chunk header size: 9 |
| assertEquals(207L, chunkWriter.getCurrentChunkSize()); |
| |
| try { |
| TestTsFileOutput testTsFileOutput = new TestTsFileOutput(); |
| TsFileIOWriter writer = new TsFileIOWriter(testTsFileOutput, true); |
| chunkWriter.writeAllPagesOfChunkToTsFile(writer); |
| PublicBAOS publicBAOS = testTsFileOutput.publicBAOS; |
| ByteBuffer buffer = ByteBuffer.wrap(publicBAOS.getBuf(), 0, publicBAOS.size()); |
| assertEquals(MetaMarker.TIME_CHUNK_HEADER, ReadWriteIOUtils.readByte(buffer)); |
| assertEquals("c1", ReadWriteIOUtils.readVarIntString(buffer)); |
| assertEquals(198, ReadWriteForEncodingUtils.readUnsignedVarInt(buffer)); |
| assertEquals(TSDataType.VECTOR.serialize(), ReadWriteIOUtils.readByte(buffer)); |
| assertEquals(CompressionType.UNCOMPRESSED.serialize(), ReadWriteIOUtils.readByte(buffer)); |
| assertEquals(TSEncoding.PLAIN.serialize(), ReadWriteIOUtils.readByte(buffer)); |
| assertEquals(198, buffer.remaining()); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| fail(); |
| } |
| } |
| |
| @Test |
| public void testWriteEmptyPage() { |
| Encoder timeEncoder = new PlainEncoder(TSDataType.INT64, 0); |
| TimeChunkWriter chunkWriter = |
| new TimeChunkWriter("c1", CompressionType.UNCOMPRESSED, TSEncoding.PLAIN, timeEncoder); |
| long[] times = new long[10]; |
| for (int i = 0; i < 10; i++) { |
| times[i] = i + 1; |
| } |
| chunkWriter.write(times, 10, 0); |
| chunkWriter.sealCurrentPage(); |
| chunkWriter.write(times, 0, 0); |
| chunkWriter.sealCurrentPage(); |
| assertEquals(1, chunkWriter.getNumOfPages()); |
| } |
| } |