| /* |
| * 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.db.storageengine.dataregion.read.reader.common; |
| |
| import org.apache.tsfile.read.TimeValuePair; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| |
| public class PriorityMergeReaderTest { |
| |
| @Test |
| public void test2S() throws IOException { |
| |
| // 2 series |
| test( |
| new long[] {1, 2, 3, 4, 5, 6}, |
| new long[] {2, 2, 2, 1, 2, 2}, |
| new long[] {1, 2, 3, 4, 5}, |
| new long[] {1, 2, 3, 5, 6}); |
| test( |
| new long[] {1, 2, 3, 4, 5}, |
| new long[] {1, 1, 1, 1, 1}, |
| new long[] {1, 2, 3, 4, 5}, |
| new long[] {}); |
| test( |
| new long[] {1, 2, 3, 4, 5}, |
| new long[] {2, 2, 2, 2, 2}, |
| new long[] {}, |
| new long[] {1, 2, 3, 4, 5}); |
| test( |
| new long[] {1, 2, 3, 4, 5, 6, 7, 8}, |
| new long[] {1, 1, 1, 1, 1, 2, 2, 2}, |
| new long[] {1, 2, 3, 4, 5}, |
| new long[] {6, 7, 8}); |
| |
| // 3 series |
| test( |
| new long[] {1, 2, 3, 4, 5, 6, 7}, |
| new long[] {3, 3, 3, 1, 3, 2, 3}, |
| new long[] {1, 2, 3, 4, 5}, |
| new long[] {1, 2, 3, 5, 6}, |
| new long[] {1, 2, 3, 5, 7}); |
| test( |
| new long[] {1, 2, 3, 4, 5, 6}, |
| new long[] {1, 1, 2, 3, 2, 3}, |
| new long[] {1, 2}, |
| new long[] {3, 5}, |
| new long[] {4, 6}); |
| } |
| |
| private void test(long[] retTimestamp, long[] retValue, long[]... sources) throws IOException { |
| PriorityMergeReader priorityMergeReader = new PriorityMergeReader(); |
| for (int i = 0; i < sources.length; i++) { |
| priorityMergeReader.addReader(new FakedSeriesReader(sources[i], i + 1), i + 1); |
| } |
| |
| int i = 0; |
| while (priorityMergeReader.hasNextTimeValuePair()) { |
| TimeValuePair timeValuePair = priorityMergeReader.nextTimeValuePair(); |
| Assert.assertEquals(retTimestamp[i], timeValuePair.getTimestamp()); |
| Assert.assertEquals(retValue[i], timeValuePair.getValue().getValue()); |
| i++; |
| } |
| } |
| } |