How to use finisher method of net.serenitybdd.cucumber.util.BigDecimalAverageCollector class

Best Serenity Cucumber code snippet using net.serenitybdd.cucumber.util.BigDecimalAverageCollector.finisher

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...25 public BinaryOperator<BigDecimalAccumulator> combiner() {26 return BigDecimalAccumulator::combine;27 }28 @Override29 public Function<BigDecimalAccumulator, BigDecimal> finisher() {30 return BigDecimalAccumulator::getAverage;31 }32 @Override33 public Set<Characteristics> characteristics() {34 return Collections.emptySet();35 }36 static class BigDecimalAccumulator {37 public BigDecimal sum = BigDecimal.ZERO;38 public BigDecimal count = BigDecimal.ZERO;39 public BigDecimalAccumulator() {40 }41 private BigDecimalAccumulator(BigDecimal sum, BigDecimal count) {42 sum.add(sum);43 count.add(count);...

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1package net.serenitybdd.cucumber.util;2import java.math.BigDecimal;3import java.util.stream.Collector;4public class BigDecimalAverageCollector {5 public static Collector<BigDecimal, ?, BigDecimal> average() {6 return Collector.of(7 BigDecimalAverage::finisher);8 }9 private static class BigDecimalAverage {10 private BigDecimal sum = BigDecimal.ZERO;11 private long count = 0;12 public void accept(BigDecimal bd) {13 sum = sum.add(bd);14 count++;15 }16 public BigDecimalAverage combine(BigDecimalAverage other) {17 sum = sum.add(other.sum);18 count += other.count;19 return this;20 }21 public BigDecimal finisher() {22 return count == 0 ? BigDecimal.ZERO : sum.divide(BigDecimal.valueOf(count), BigDecimal.ROUND_HALF_UP);23 }24 }25}26public class BigDecimalAverageCollectorTest {27 public void shouldReturnAverage() {28 BigDecimal average = Stream.of(BigDecimal.valueOf(1), BigDecimal.valueOf(2), BigDecimal.valueOf(3))29 .collect(BigDecimalAverageCollector.average());30 assertEquals(BigDecimal.valueOf(2), average);31 }32}33public class BigDecimalAverageCollectorTest {34 public void shouldReturnAverage() {35 BigDecimal average = Stream.of(BigDecimal.valueOf(1), BigDecimal.valueOf(2), BigDecimal.valueOf(3))36 .collect(BigDecimalAverageCollector.average());37 assertEquals(BigDecimal.valueOf(2), average);38 }39}40public class BigDecimalAverageCollectorTest {41 public void shouldReturnAverage() {42 BigDecimal average = Stream.of(BigDecimal.valueOf(1), BigDecimal.valueOf(2), BigDecimal.valueOf(3))43 .collect(BigDecimalAverageCollector.average());44 assertEquals(BigDecimal.valueOf(2), average);45 }46}47public class BigDecimalAverageCollectorTest {48 public void shouldReturnAverage() {49 BigDecimal average = Stream.of(BigDecimal.valueOf(1), BigDecimal.valueOf(2), BigDecimal.valueOf(3))50 .collect(BigDecimalAverageCollector.average());51 assertEquals(BigDecimal.valueOf

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1import java.math.BigDecimal;2import java.util.List;3import java.util.stream.Collector;4public class BigDecimalAverageFinisher implements BigDecimalFinisher {5 public BigDecimal finisher(Collector<BigDecimal, ?, BigDecimal> collector, List<BigDecimal> values) {6 return values.stream().collect(collector);7 }8}9import java.math.BigDecimal;10import java.util.List;11import java.util.stream.Collector;12public class BigDecimalAverageFinisher implements BigDecimalFinisher {13 public BigDecimal finisher(Collector<BigDecimal, ?, BigDecimal> collector, List<BigDecimal> values) {14 return values.stream().collect(collector);15 }16}17package net.serenitybdd.cucumber.util;18import java.math.BigDecimal;19import java.util.List;20import java.util.stream.Collector;21public class BigDecimalAverageCollector extends BigDecimalCollector {22 public BigDecimal finisher(List<BigDecimal> values) {23 return values.stream().collect(new BigDecimalAverageFinisher());24 }25}26package net.serenitybdd.cucumber.util;27import java.math.BigDecimal;28import java.util.List;29import java.util.stream.Collector;30public class BigDecimalAverageCollector extends BigDecimalCollector {31 public BigDecimal finisher(List<BigDecimal> values) {32 return values.stream().collect(new BigDecimalAverageFinisher());33 }34}35File dir = new File("/​home/​user/​Desktop");36File[] files = dir.listFiles();37for (File file : files) {38 System.out.println(file.getName());39}40File dir = new File("/​home/​user/​Desktop");41File[] files = dir.listFiles();42for (File file : files) {43 System.out.println(file.getName());44}45I have a list of strings that I want to join together with a comma (,) and a space ( ) between each string. I

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1@Given("I have a list of numbers")2public void i_have_a_list_of_numbers() {3 List<BigDecimal> list = Arrays.asList(BigDecimal.valueOf(1), BigDecimal.valueOf(2), BigDecimal.valueOf(3));4 BigDecimal average = list.stream().collect(BigDecimalAverageCollector.average());5 System.out.println(average);6}7@Given("I have a list of numbers")8public void i_have_a_list_of_numbers() {9 List<BigDecimal> list = Arrays.asList(BigDecimal.valueOf(1), BigDecimal.valueOf(2), BigDecimal.valueOf(3));10 BigDecimal average = list.stream().collect(BigDecimalAverageCollector.average());11 System.out.println(average);12}13@Given("I have a list of numbers")14public void i_have_a_list_of_numbers() {15 List<BigDecimal> list = Arrays.asList(BigDecimal.valueOf(1), BigDecimal.valueOf(2), BigDecimal.valueOf(3));16 BigDecimal average = list.stream().collect(BigDecimalAverageCollector.average());17 System.out.println(average);18}19@Given("I have a list of numbers")20public void i_have_a_list_of_numbers() {21 List<BigDecimal> list = Arrays.asList(BigDecimal.valueOf(1), BigDecimal.valueOf(2), BigDecimal.valueOf(3));22 BigDecimal average = list.stream().collect(BigDecimalAverageCollector.average());23 System.out.println(average);24}25@Given("I have a list of numbers")26public void i_have_a_list_of_numbers() {27 List<BigDecimal> list = Arrays.asList(BigDecimal.valueOf(1), BigDecimal.valueOf(2), BigDecimal.valueOf(3));28 BigDecimal average = list.stream().collect(BigDecimalAverageCollector.average());29 System.out.println(average);30}31@Given("I have a list of numbers")32public void i_have_a_list_of_numbers() {33 List<BigDecimal> list = Arrays.asList(BigDecimal.valueOf(1), BigDecimal.valueOf(2

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1 BigDecimalAverageCollector collector = new BigDecimalAverageCollector();2 BigDecimal result = collector.average(BigDecimal.valueOf(2.2), BigDecimal.valueOf(3.3));3 System.out.println("result = " + result);4 BigDecimalAverageCollector collector2 = new BigDecimalAverageCollector();5 BigDecimal result2 = collector2.average(BigDecimal.valueOf(2.2), BigDecimal.valueOf(3.3));6 System.out.println("result2 = " + result2);7 }8}9package net.serenitybdd.cucumber.util;10import java.math.BigDecimal;11import java.util.ArrayList;12import java.util.List;13import java.util.function.BiConsumer;14import java.util.function.BinaryOperator;15import java.util.function.Function;16import java.util.function.Supplier;17import java.util.stream.Collector;18public class BigDecimalAverageCollector implements Collector<BigDecimal, List<BigDecimal>, BigDecimal> {19 public Supplier<List<BigDecimal>> supplier() {20 return ArrayList::new;21 }22 public BiConsumer<List<BigDecimal>, BigDecimal> accumulator() {23 return List::add;24 }25 public BinaryOperator<List<BigDecimal>> combiner() {26 return (list1, list2) -> {27 list1.addAll(list2);28 return list1;29 };30 }31 public Function<List<BigDecimal>, BigDecimal> finisher() {32 return this::average;33 }34 public java.util.Set<java.util.stream.Collector.Characteristics> characteristics() {35 return java.util.Collections.emptySet();36 }37 public BigDecimal average(List<BigDecimal> bigDecimals) {38 return bigDecimals.stream().reduce(BigDecimal.ZERO, BigDecimal::add).divide(BigDecimal.valueOf(bigDecimals.size()));39 }40 public BigDecimal average(BigDecimal bigDecimal1, BigDecimal bigDecimal2) {41 return bigDecimal1.add(bigDecimal2).divide(BigDecimal.valueOf(2));42 }43}

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Discussion

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The problem seems to be in the @manual tag, probably a bug in the framework. It is fixed by adding 'and not @manual' when executing tests.

https://stackoverflow.com/questions/72379870/serenity-maven-failsafe-ignores-tests-and-adds-manual-tag-on-them

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