| /* |
| * 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.file.metadata; |
| |
| import org.apache.iotdb.tsfile.constant.TestConstant; |
| import org.apache.iotdb.tsfile.file.metadata.utils.TestHelper; |
| import org.apache.iotdb.tsfile.file.metadata.utils.Utils; |
| |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.FileChannel; |
| |
| public class TsFileMetadataTest { |
| |
| final String PATH = TestConstant.BASE_OUTPUT_PATH.concat("output1.tsfile"); |
| |
| @Before |
| public void setUp() {} |
| |
| @After |
| public void tearDown() { |
| File file = new File(PATH); |
| if (file.exists()) { |
| file.delete(); |
| } |
| } |
| |
| @Test |
| public void testWriteFileMetaData() { |
| TsFileMetadata tsfMetaData = TestHelper.createSimpleFileMetaData(); |
| serialized(tsfMetaData); |
| TsFileMetadata readMetaData = deSerialized(); |
| Assert.assertTrue(Utils.isFileMetaDataEqual(tsfMetaData, readMetaData)); |
| } |
| |
| private TsFileMetadata deSerialized() { |
| FileInputStream fileInputStream = null; |
| TsFileMetadata metaData = null; |
| try { |
| fileInputStream = new FileInputStream(new File(PATH)); |
| FileChannel channel = fileInputStream.getChannel(); |
| ByteBuffer buffer = ByteBuffer.allocate((int) channel.size()); |
| channel.read(buffer); |
| buffer.rewind(); |
| metaData = TsFileMetadata.deserializeFrom(buffer); |
| return metaData; |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } finally { |
| if (fileInputStream != null) { |
| try { |
| fileInputStream.close(); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| return metaData; |
| } |
| |
| private void serialized(TsFileMetadata metaData) { |
| File file = new File(PATH); |
| if (file.exists()) { |
| file.delete(); |
| } |
| FileOutputStream fos = null; |
| try { |
| fos = new FileOutputStream(file); |
| metaData.serializeTo(fos); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } finally { |
| if (fos != null) { |
| try { |
| fos.close(); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| } |
| } |