| /* |
| * 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 java.util.Arrays; |
| import java.util.List; |
| |
| import org.assertj.core.api.AssertionsForClassTypes; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import org.apache.geode.cache.query.QueryService; |
| |
| public class MaxMinTest { |
| private MaxMin min; |
| private MaxMin max; |
| |
| @Before |
| public void setUp() { |
| max = new MaxMin(true); |
| min = new MaxMin(false); |
| } |
| |
| @Test |
| public void accumulateShouldIgnoreNull() { |
| max.accumulate(null); |
| min.accumulate(null); |
| |
| AssertionsForClassTypes.assertThat(max.getCurrentOptima()).isNull(); |
| AssertionsForClassTypes.assertThat(min.getCurrentOptima()).isNull(); |
| } |
| |
| @Test |
| public void accumulateShouldIgnoreUndefined() { |
| max.accumulate(QueryService.UNDEFINED); |
| min.accumulate(QueryService.UNDEFINED); |
| |
| AssertionsForClassTypes.assertThat(max.getCurrentOptima()).isNull(); |
| AssertionsForClassTypes.assertThat(min.getCurrentOptima()).isNull(); |
| } |
| |
| @Test |
| public void accumulateShouldUpdateOptimaOnIntermediateAdditions() { |
| AssertionsForClassTypes.assertThat(max.getCurrentOptima()).isNull(); |
| max.accumulate(10); |
| AssertionsForClassTypes.assertThat(max.getCurrentOptima()).isEqualTo(10); |
| max.accumulate(5); |
| AssertionsForClassTypes.assertThat(max.getCurrentOptima()).isEqualTo(10); |
| max.accumulate(15); |
| AssertionsForClassTypes.assertThat(max.getCurrentOptima()).isEqualTo(15); |
| |
| AssertionsForClassTypes.assertThat(min.getCurrentOptima()).isNull(); |
| min.accumulate(10); |
| AssertionsForClassTypes.assertThat(min.getCurrentOptima()).isEqualTo(10); |
| min.accumulate(5); |
| AssertionsForClassTypes.assertThat(min.getCurrentOptima()).isEqualTo(5); |
| min.accumulate(6); |
| AssertionsForClassTypes.assertThat(min.getCurrentOptima()).isEqualTo(5); |
| } |
| |
| @Test |
| public void terminateShouldReturnOptimaFound() { |
| List<String> comparableStrings = Arrays.asList("B", "D", "Z", "E", "A"); |
| comparableStrings.forEach(string -> { |
| max.accumulate(string); |
| min.accumulate(string); |
| }); |
| |
| Object maxResult = max.terminate(); |
| assertThat(maxResult).isInstanceOf(String.class); |
| assertThat(maxResult).isEqualTo("Z"); |
| |
| Object minResult = min.terminate(); |
| assertThat(minResult).isInstanceOf(String.class); |
| assertThat(minResult).isEqualTo("A"); |
| } |
| } |