| /* |
| * 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.read; |
| |
| import org.apache.iotdb.tsfile.common.conf.TSFileConfig; |
| import org.apache.iotdb.tsfile.common.conf.TSFileDescriptor; |
| import org.apache.iotdb.tsfile.file.metadata.IDeviceID; |
| import org.apache.iotdb.tsfile.file.metadata.PlainDeviceID; |
| import org.apache.iotdb.tsfile.utils.FileGenerator; |
| |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| public class GetAllDevicesTest { |
| |
| private final TSFileConfig conf = TSFileDescriptor.getInstance().getConfig(); |
| private int maxDegreeOfIndexNode; |
| private static final String FILE_PATH = FileGenerator.outputDataFile; |
| |
| @Before |
| public void before() { |
| maxDegreeOfIndexNode = conf.getMaxDegreeOfIndexNode(); |
| conf.setMaxDegreeOfIndexNode(3); |
| } |
| |
| @After |
| public void after() { |
| FileGenerator.after(); |
| conf.setMaxDegreeOfIndexNode(maxDegreeOfIndexNode); |
| } |
| |
| @Test |
| public void testGetAllDevices1() throws IOException { |
| testGetAllDevices(2, 2); |
| } |
| |
| @Test |
| public void testGetAllDevices2() throws IOException { |
| testGetAllDevices(2, 50); |
| } |
| |
| @Test |
| public void testGetAllDevices3() throws IOException { |
| testGetAllDevices(50, 2); |
| } |
| |
| @Test |
| public void testGetAllDevices4() throws IOException { |
| testGetAllDevices(50, 50); |
| } |
| |
| public void testGetAllDevices(int deviceNum, int measurementNum) throws IOException { |
| FileGenerator.generateFile(10000, deviceNum, measurementNum); |
| try (TsFileSequenceReader fileReader = new TsFileSequenceReader(FILE_PATH)) { |
| |
| List<IDeviceID> devices = fileReader.getAllDevices(); |
| Assert.assertEquals(deviceNum, devices.size()); |
| for (int i = 0; i < deviceNum; i++) { |
| Assert.assertEquals( |
| new PlainDeviceID("d" + FileGenerator.generateIndexString(i, deviceNum)), |
| devices.get(i)); |
| } |
| |
| FileGenerator.after(); |
| } |
| } |
| } |