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AgeCalculator changes

This commit is contained in:
Marcos Lopez Gonzalez 2019-05-01 13:10:42 +02:00 committed by mikr
parent c59d9dbf8f
commit cdd14b23f7
2 changed files with 23 additions and 7 deletions
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14
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/exceptions/RootCauseFinder.java
View File

@ -33,28 +33,28 @@ public class RootCauseFinder {
}
try {
return calculateDifference(birthDate).getYears();
return Period
.between(parseDate(birthDate), LocalDate.now())
.getYears();
} catch (DateParseException ex) {
throw new CalculationException(ex);
}
}
private static Period calculateDifference(String birthDateAsString) throws DateParseException {
private static LocalDate parseDate(String birthDateAsString) throws DateParseException {
LocalDate birthDate = null;
LocalDate birthDate;
try {
birthDate = LocalDate.parse(birthDateAsString);
} catch (DateTimeParseException ex) {
throw new InvalidFormatException(birthDateAsString, ex);
}
LocalDate today = LocalDate.now();
if (birthDate.isAfter(today)) {
if (birthDate.isAfter(LocalDate.now())) {
throw new DateOutOfRangeException(birthDateAsString);
}
return Period.between(birthDate, today);
return birthDate;
}
}

16
core-java-modules/core-java/src/test/java/com/baeldung/exceptions/RootCauseFinderTest.java
View File

@ -2,9 +2,12 @@ package com.baeldung.exceptions;
import com.google.common.base.Throwables;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import java.time.LocalDate;
import java.time.format.DateTimeParseException;
import java.time.temporal.ChronoUnit;
import static com.baeldung.exceptions.RootCauseFinder.*;
import static org.junit.jupiter.api.Assertions.assertTrue;
@ -14,6 +17,19 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
*/
public class RootCauseFinderTest {
@Test
public void givenBirthDate_whenCalculatingAge_thenAgeReturned() {
try {
int age = AgeCalculator.calculateAge("1990-01-01");
Assertions.assertEquals(1990, LocalDate
.now()
.minus(age, ChronoUnit.YEARS)
.getYear());
} catch (CalculationException e) {
Assertions.fail(e.getMessage());
}
}
@Test
public void givenWrongFormatDate_whenFindingRootCauseUsingJava_thenRootCauseFound() {
try {