| /* |
| * 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.confignode.persistence.schema; |
| |
| import org.apache.iotdb.commons.exception.IllegalPathException; |
| import org.apache.iotdb.commons.exception.MetadataException; |
| import org.apache.iotdb.db.schemaengine.template.Template; |
| 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.commons.io.FileUtils; |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import static org.apache.iotdb.db.utils.constant.TestConstant.BASE_OUTPUT_PATH; |
| |
| public class TemplateTableTest { |
| |
| private static TemplateTable templateTable; |
| private static final File snapshotDir = new File(BASE_OUTPUT_PATH, "snapshot"); |
| |
| @BeforeClass |
| public static void setup() throws IOException { |
| templateTable = new TemplateTable(); |
| if (!snapshotDir.exists()) { |
| snapshotDir.mkdirs(); |
| } |
| } |
| |
| @AfterClass |
| public static void cleanup() throws IOException { |
| templateTable.clear(); |
| if (snapshotDir.exists()) { |
| FileUtils.deleteDirectory(snapshotDir); |
| } |
| } |
| |
| @Test |
| public void testSnapshot() throws IOException, MetadataException { |
| int n = 2; |
| String templateName = "template_test"; |
| |
| List<Template> templates = new ArrayList<>(); |
| // create schemaengine template |
| for (int i = 0; i < n; i++) { |
| String templateNameTmp = templateName + "_" + i; |
| Template template = |
| i == 1 ? newAlignedSchemaTemplate(templateNameTmp) : newSchemaTemplate(templateNameTmp); |
| templates.add(template); |
| templateTable.createTemplate(template); |
| } |
| |
| templateTable.processTakeSnapshot(snapshotDir); |
| templateTable.clear(); |
| templateTable.processLoadSnapshot(snapshotDir); |
| |
| // show nodes in schemaengine template |
| for (int i = 0; i < n; i++) { |
| String templateNameTmp = templateName + "_" + i; |
| Template template = templates.get(i); |
| Assert.assertEquals(template, templateTable.getTemplate(templateNameTmp)); |
| } |
| } |
| |
| @Test |
| public void testDuplicatePath() { |
| List<String> measurements = Arrays.asList("s1", "s1"); |
| List<TSDataType> dataTypes = Arrays.asList(TSDataType.FLOAT, TSDataType.BOOLEAN); |
| List<TSEncoding> encodings = Arrays.asList(TSEncoding.RLE, TSEncoding.PLAIN); |
| List<CompressionType> compressors = |
| Arrays.asList(CompressionType.SNAPPY, CompressionType.SNAPPY); |
| try { |
| new Template("template", measurements, dataTypes, encodings, compressors); |
| Assert.fail("expect IllegalPathException"); |
| } catch (IllegalPathException e) { |
| // do nothing |
| } |
| } |
| |
| private Template newSchemaTemplate(String name) throws IllegalPathException { |
| List<String> measurements = Arrays.asList(name + "_" + "temperature", name + "_" + "status"); |
| List<TSDataType> dataTypes = Arrays.asList(TSDataType.FLOAT, TSDataType.BOOLEAN); |
| List<TSEncoding> encodings = Arrays.asList(TSEncoding.RLE, TSEncoding.PLAIN); |
| List<CompressionType> compressors = |
| Arrays.asList(CompressionType.SNAPPY, CompressionType.SNAPPY); |
| return new Template(name, measurements, dataTypes, encodings, compressors); |
| } |
| |
| private Template newAlignedSchemaTemplate(String name) throws IllegalPathException { |
| List<String> measurements = Arrays.asList(name + "_" + "lat", name + "_" + "lon"); |
| List<TSDataType> dataTypes = Arrays.asList(TSDataType.FLOAT, TSDataType.FLOAT); |
| List<TSEncoding> encodings = Arrays.asList(TSEncoding.GORILLA, TSEncoding.GORILLA); |
| List<CompressionType> compressors = |
| Arrays.asList(CompressionType.SNAPPY, CompressionType.SNAPPY); |
| return new Template(name, measurements, dataTypes, encodings, compressors, true); |
| } |
| } |