| /* |
| * 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; |
| |
| import org.apache.geode.cache.query.QueryService; |
| |
| public class AvgBucketNodeTest { |
| private AvgBucketNode avgBucketNode; |
| |
| @Before |
| public void setUp() { |
| avgBucketNode = new AvgBucketNode(); |
| } |
| |
| @Test |
| public void accumulateShouldIgnoreNull() { |
| avgBucketNode.accumulate(null); |
| |
| assertThat(avgBucketNode.getCount()).isEqualTo(0); |
| assertThat(avgBucketNode.getResult()).isEqualTo(0); |
| } |
| |
| @Test |
| public void accumulateShouldIgnoreUndefined() { |
| avgBucketNode.accumulate(QueryService.UNDEFINED); |
| |
| assertThat(avgBucketNode.getCount()).isEqualTo(0); |
| assertThat(avgBucketNode.getResult()).isEqualTo(0); |
| } |
| |
| @Test |
| public void accumulateShouldIncreaseAccumulatedCount() { |
| avgBucketNode.accumulate(1); |
| avgBucketNode.accumulate(25.78f); |
| |
| assertThat(avgBucketNode.getCount()).isEqualTo(2); |
| assertThat(avgBucketNode.getResult()).isEqualTo(26.78f); |
| } |
| |
| @Test |
| public void terminateShouldCorrectlyComputeAverageUponAccumulatedValues() { |
| avgBucketNode.accumulate(1); |
| avgBucketNode.accumulate(2); |
| avgBucketNode.accumulate(3); |
| avgBucketNode.accumulate(4); |
| avgBucketNode.accumulate(5); |
| avgBucketNode.accumulate(6); |
| avgBucketNode.accumulate(7); |
| avgBucketNode.accumulate(null); |
| avgBucketNode.accumulate(QueryService.UNDEFINED); |
| |
| Object result = avgBucketNode.terminate(); |
| assertThat(result).isInstanceOf(Object[].class); |
| assertThat(((Long) ((Object[]) result)[0]).intValue()).isEqualTo(7); |
| assertThat(((Number) ((Object[]) result)[1]).intValue()).isEqualTo(28); |
| } |
| } |