| /* |
| * 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.geode.cache.query.internal.aggregate; |
| |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class AvgPRQueryNodeTest { |
| private AvgPRQueryNode avgPRQueryNode; |
| |
| @Before |
| public void setUp() { |
| avgPRQueryNode = new AvgPRQueryNode(); |
| } |
| |
| @Test |
| public void accumulateShouldIncreaseAccumulatedCount() { |
| avgPRQueryNode.accumulate(new Integer[] {2, 10}); |
| avgPRQueryNode.accumulate(new Integer[] {3, 30}); |
| |
| assertThat(avgPRQueryNode.getCount()).isEqualTo(5); |
| assertThat(avgPRQueryNode.getResult()).isEqualTo(40); |
| } |
| |
| @Test |
| public void terminateShouldCorrectlyComputeAverageUponAccumulatedValues() { |
| avgPRQueryNode.accumulate(new Object[] {7, 43d}); |
| avgPRQueryNode.accumulate(new Object[] {5, 273.86d}); |
| |
| Object result = avgPRQueryNode.terminate(); |
| assertThat(avgPRQueryNode.getCount()).isEqualTo(12); |
| assertThat(result).isInstanceOf(Number.class); |
| assertThat(((Number) result).floatValue()).isEqualTo((43 + 273.86f) / 12.0f); |
| } |
| } |