/*
* This file is part of LibrePlan
*
* Copyright (C) 2009-2010 Fundación para o Fomento da Calidade Industrial e
* Desenvolvemento Tecnolóxico de Galicia
* Copyright (C) 2010-2012 Igalia, S.L.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.libreplan.business.test.workingday;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.not;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.libreplan.business.workingday.EffortDuration.hours;
import static org.libreplan.business.workingday.EffortDuration.minutes;
import static org.libreplan.business.workingday.EffortDuration.zero;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.joda.time.DateTime;
import org.joda.time.LocalDate;
import org.junit.Test;
import org.libreplan.business.workingday.EffortDuration;
import org.libreplan.business.workingday.EffortDuration.Granularity;
import org.libreplan.business.workingday.IntraDayDate;
import org.libreplan.business.workingday.IntraDayDate.PartialDay;
import org.libreplan.business.workingday.IntraDayDate.UntilEnd;
import org.libreplan.business.workingday.ResourcesPerDay;
/**
* @author Óscar González Fernández
* @author Manuel Rego Casasnovas <rego@igalia.com>
*/
public class IntraDayDateTest {
private LocalDate today = new LocalDate();
private LocalDate tomorrow = today.plusDays(1);
private EffortDuration oneHour = EffortDuration.hours(1);
private EffortDuration halfHour = EffortDuration.minutes(30);
@Test(expected = NullPointerException.class)
public void needsANotNullDuration() {
IntraDayDate.create(new LocalDate(), null);
}
@Test(expected = NullPointerException.class)
public void needsANotNullDate() {
IntraDayDate.create(null, EffortDuration.elapsing(1, Granularity.HOURS));
}
@Test
public void equalsAndHashCodeWorkOk() {
LocalDate today = new LocalDate();
LocalDate tomorrow = today.plusDays(1);
EffortDuration oneHour = EffortDuration.hours(1);
EffortDuration halfHour = EffortDuration.minutes(30);
assertEquals(IntraDayDate.create(today, halfHour),
IntraDayDate.create(tomorrow.minusDays(1), halfHour));
assertEquals(IntraDayDate.create(today, halfHour).hashCode(), IntraDayDate
.create(tomorrow.minusDays(1), halfHour).hashCode());
assertThat(IntraDayDate.create(today, halfHour),
not(equalTo(IntraDayDate.create(today, oneHour))));
}
@Test
public void canKnowIfAreSameDay() {
assertTrue(IntraDayDate.create(today, halfHour).areSameDay(today));
assertTrue(IntraDayDate.create(today, oneHour).areSameDay(today));
assertFalse(IntraDayDate.create(today, halfHour).areSameDay(tomorrow));
assertFalse(IntraDayDate.create(tomorrow, halfHour).areSameDay(today));
}
@Test
public void canGetDateTimeAtStartOfDay() {
DateTime dateTime = IntraDayDate.create(today, halfHour)
.toDateTimeAtStartOfDay();
assertThat(dateTime, equalTo(today.toDateTimeAtStartOfDay()));
}
@Test
public void implementsComparable() {
assertTrue(Comparable.class.isAssignableFrom(IntraDayDate.class));
assertTrue(IntraDayDate.create(today, halfHour).compareTo(
IntraDayDate.create(today, oneHour)) < 0);
assertTrue(IntraDayDate.create(today, oneHour).compareTo(
IntraDayDate.create(tomorrow, halfHour)) < 0);
}
@Test
public void hasMaxAndMinMethods() {
IntraDayDate a = IntraDayDate.create(today, halfHour);
IntraDayDate b = IntraDayDate.create(today, oneHour);
assertThat(IntraDayDate.min(a, b), equalTo(a));
assertThat(IntraDayDate.max(a, b), equalTo(b));
}
@Test
public void untilTheSameDayReturnsZeroPartialDays() {
Iterable<PartialDay> days = IntraDayDate.create(today, zero())
.daysUntil(IntraDayDate.create(today, zero()));
assertFalse(days.iterator().hasNext());
}
@Test
public void untilTheNextDayReturnsOnePartialDay() {
IntraDayDate start = IntraDayDate.create(today, zero());
IntraDayDate end = IntraDayDate.create(tomorrow, zero());
Iterable<PartialDay> days = start.daysUntil(end);
assertThat(IntraDayDate.toList(days), delimitedBy(start, end));
}
@Test(expected = IllegalArgumentException.class)
public void untilADayAgo() {
IntraDayDate start = IntraDayDate.create(today, zero());
IntraDayDate end = IntraDayDate.create(tomorrow, zero());
end.daysUntil(start);
}
@Test
public void untilTwoDaysLaterReturnsTwoPartialDays() {
IntraDayDate start = IntraDayDate.create(today, zero());
IntraDayDate middle = IntraDayDate.create(today.plusDays(1), zero());
IntraDayDate end = IntraDayDate.create(today.plusDays(2), zero());
Iterable<PartialDay> days = start.daysUntil(end);
assertThat(IntraDayDate.toList(days), delimitedBy(start, middle, end));
}
@Test
public void canNowTheNumberOfDaysBetweenTwoDates() {
IntraDayDate start = IntraDayDate.create(today, zero());
IntraDayDate end = IntraDayDate.create(today.plusDays(1), zero());
assertThat(start.numberOfDaysUntil(end), equalTo(1));
assertThat(
start.numberOfDaysUntil(IntraDayDate.create(today, hours(8))),
equalTo(0));
assertThat(
IntraDayDate.create(today, hours(4)).numberOfDaysUntil(
IntraDayDate.create(tomorrow, hours(3))), equalTo(0));
assertThat(
IntraDayDate.create(today, hours(4)).numberOfDaysUntil(
IntraDayDate.create(tomorrow, hours(4))), equalTo(1));
assertThat(
IntraDayDate.create(today, hours(4)).numberOfDaysUntil(
IntraDayDate.create(tomorrow, hours(5))), equalTo(1));
assertThat(
IntraDayDate.create(today, hours(4)).numberOfDaysUntil(
IntraDayDate.create(tomorrow.plusDays(1), hours(3))),
equalTo(1));
}
@Test(expected = IllegalArgumentException.class)
public void theEndMustBeEqualOrBiggerThanTheStart() {
IntraDayDate start = IntraDayDate.create(today, zero());
IntraDayDate end = IntraDayDate.create(today.plusDays(1), zero());
assertThat(end.numberOfDaysUntil(start), equalTo(1));
}
public void theEndCanBeTheSameAsTheStart() {
IntraDayDate start = IntraDayDate.create(today, zero());
assertThat(start.numberOfDaysUntil(start), equalTo(0));
}
@Test
public void worksWellWithEffortDurationsNotZero() {
IntraDayDate start = IntraDayDate.create(today, halfHour);
IntraDayDate end = IntraDayDate.create(today, oneHour);
IntraDayDate anotherEnd = IntraDayDate.create(tomorrow, halfHour);
assertThat(IntraDayDate.toList(start.daysUntil(end)), delimitedBy(start, end));
assertThat(IntraDayDate.toList(start.daysUntil(anotherEnd)),
delimitedBy(start, IntraDayDate.create(tomorrow, zero()),
anotherEnd));
}
@Test
public void canHaveAnExtraCondition() {
IntraDayDate start = IntraDayDate.create(today, zero());
IntraDayDate end = IntraDayDate.create(today.plusDays(10), zero());
final List<PartialDay> generated = new ArrayList<IntraDayDate.PartialDay>();
Iterable<PartialDay> days = start.daysUntil(new UntilEnd(end) {
@Override
protected boolean hasNext(boolean lessThanEnd) {
return lessThanEnd && generated.size() < 2;
}
});
for (PartialDay each : days) {
generated.add(each);
}
assertThat(generated.size(), equalTo(2));
}
@Test
public void aPartialDayCanLimitAWorkingDayDuration() {
PartialDay day = new PartialDay(IntraDayDate.create(today,
halfHour), IntraDayDate.create(today, oneHour));
assertThat(day.limitWorkingDay(hours(10)), equalTo(minutes(30)));
assertThat(day.limitWorkingDay(minutes(40)), equalTo(minutes(10)));
PartialDay completeDay = new PartialDay(IntraDayDate.startOfDay(today),
IntraDayDate.startOfDay(tomorrow));
assertThat(completeDay.limitWorkingDay(hours(10)), equalTo(hours(10)));
PartialDay startsInTheMiddle = new PartialDay(IntraDayDate.create(
today, EffortDuration.hours(3)),
IntraDayDate.startOfDay(tomorrow));
assertThat(startsInTheMiddle.limitWorkingDay(hours(10)),
equalTo(hours(7)));
assertThat(startsInTheMiddle.limitWorkingDay(hours(3)), equalTo(zero()));
assertThat(startsInTheMiddle.limitWorkingDay(hours(2)), equalTo(zero()));
PartialDay startAndEndInSameDay = new PartialDay(IntraDayDate.create(
today, EffortDuration.hours(3)), IntraDayDate.create(today,
EffortDuration.hours(6)));
assertThat(startAndEndInSameDay.limitWorkingDay(hours(4)),
equalTo(hours(1)));
assertThat(startAndEndInSameDay.limitWorkingDay(hours(5)),
equalTo(hours(2)));
assertThat(startAndEndInSameDay.limitWorkingDay(hours(6)),
equalTo(hours(3)));
assertThat(startAndEndInSameDay.limitWorkingDay(hours(10)),
equalTo(hours(3)));
}
private Matcher<Iterable<PartialDay>> delimitedBy(
final IntraDayDate... dates) {
return new BaseMatcher<Iterable<PartialDay>>() {
@Override
public boolean matches(Object param) {
List<IntraDayDate> list = toPoints(param);
return list.equals(Arrays.asList(dates));
}
@SuppressWarnings("unchecked")
private List<IntraDayDate> toPoints(Object param) {
return toPoints((Iterable<PartialDay>) param);
}
private List<IntraDayDate> toPoints(Iterable<PartialDay> param) {
List<IntraDayDate> result = new ArrayList<IntraDayDate>();
PartialDay last = null;
for (PartialDay each : param) {
result.add(each.getStart());
last = each;
}
if (last != null) {
result.add(last.getEnd());
}
return result;
}
@Override
public void describeTo(Description description) {
description.appendText(Arrays.asList(group(dates))
.toString());
}
private Object group(IntraDayDate[] dates) {
List<Object> result = new ArrayList<Object>();
for (int i = 0; i < dates.length - 1; i++) {
result.add(Arrays.asList(dates[i], dates[i + 1]));
}
return result;
}
};
}
@Test
public void roundsUpGoesToTheNextLocalDateOrKeepsTheSame() {
assertThat(IntraDayDate.create(today, halfHour).roundUp(),
equalTo(today.plusDays(1)));
assertThat(IntraDayDate.startOfDay(today).roundUp(), equalTo(today));
}
@Test
public void roundDownGoesToPreviousLocalDateOrKeepsTheSame() {
assertThat(IntraDayDate.create(today, halfHour).roundDown(),
equalTo(today));
assertThat(IntraDayDate.startOfDay(today).roundDown(), equalTo(today));
}
@Test
public void canIncreaseAnIntraDayDayBySomeEffort() {
LocalDate today = new LocalDate();
IntraDayDate intraDate = IntraDayDate.create(today, hours(2));
EffortDuration[] efforts = { hours(4), hours(8), hours(12), hours(0),
hours(16) };
for (EffortDuration effort : efforts) {
IntraDayDate newDay = intraDate.increaseBy(
ResourcesPerDay.amount(1), effort);
assertThat(newDay.getDate(), equalTo(today));
assertThat(newDay.getEffortDuration(), equalTo(hours(2)
.plus(effort)));
}
}
@Test
public void theAmountOfTheIncreaseDependsOnTheAmountOfResourcesPerDay() {
LocalDate today = new LocalDate();
IntraDayDate intraDate = IntraDayDate.startOfDay(today);
EffortDuration effort = hours(6);
ResourcesPerDay half = ResourcesPerDay.amount(new BigDecimal(BigInteger
.valueOf(5), 1));
ResourcesPerDay oneQuarter = ResourcesPerDay.amount(new BigDecimal(
BigInteger.valueOf(25), 2));
ResourcesPerDay[] resourcesPerDays = { ResourcesPerDay.amount(2),
ResourcesPerDay.amount(3), half, oneQuarter,
ResourcesPerDay.amount(4) };
EffortDuration[] ends = { hours(3), hours(2), hours(12), hours(24),
hours(1).and(30, Granularity.MINUTES) };
for (int i = 0; i < resourcesPerDays.length; i++) {
ResourcesPerDay r = resourcesPerDays[i];
EffortDuration end = ends[i];
IntraDayDate newDay = intraDate.increaseBy(r, effort);
assertThat(newDay.getDate(), equalTo(today));
assertThat(newDay.getEffortDuration(), equalTo(end));
}
}
@Test
public void canDecreaseAnIntraDayBySomeEffort() {
LocalDate today = new LocalDate();
IntraDayDate intraDate = IntraDayDate.create(today, hours(10));
EffortDuration[] efforts = { hours(4), hours(8), hours(5), hours(10),
hours(1) };
for (EffortDuration effort : efforts) {
IntraDayDate newDay = intraDate.decreaseBy(
ResourcesPerDay.amount(1), effort);
assertThat(newDay.getDate(), equalTo(today));
assertThat(newDay.getEffortDuration(),
equalTo(hours(10).minus(effort)));
}
}
@Test
public void theDateAlwaysKeepsBeingTheSameWhenDecreasing() {
LocalDate today = new LocalDate();
IntraDayDate intraDate = IntraDayDate.create(today, hours(10));
assertThat(intraDate.decreaseBy(ResourcesPerDay.amount(1), hours(12))
.getDate(), equalTo(today));
}
@Test
public void calculateEffortBetweenTwoDates() {
IntraDayDate start = IntraDayDate.create(today, zero());
IntraDayDate end = IntraDayDate.create(today.plusDays(3), hours(0));
assertThat(start.effortUntil(end), equalTo(hours(8 * 3)));
end = IntraDayDate.create(today.plusDays(3), hours(8));
assertThat(start.effortUntil(end), equalTo(hours(8 * 4)));
start = IntraDayDate.create(today, hours(8));
end = IntraDayDate.create(today.plusDays(3), hours(0));
assertThat(start.effortUntil(end), equalTo(hours(8 * 2)));
start = IntraDayDate.create(today, hours(3));
assertThat(start.effortUntil(end), equalTo(hours(8 * 2 + 5)));
end = IntraDayDate.create(today.plusDays(3), hours(6));
assertThat(start.effortUntil(end), equalTo(hours(8 * 2 + 5 + 6)));
end = IntraDayDate.create(today.plusDays(3), minutes(30));
assertThat(start.effortUntil(end),
equalTo(hours(8 * 2 + 5).plus(minutes(30))));
start = IntraDayDate.create(today, hours(5).plus(minutes(40)));
assertThat(start.effortUntil(end),
equalTo(hours(8 * 2 + 2).plus(minutes(50))));
}
@Test
public void calculateAddEffort() {
IntraDayDate start = IntraDayDate.create(today, zero());
assertThat(start.addEffort(hours(24)),
equalTo(IntraDayDate.create(today.plusDays(3), hours(0))));
assertThat(start.addEffort(hours(20)),
equalTo(IntraDayDate.create(today.plusDays(2), hours(4))));
assertThat(
start.addEffort(hours(20).plus(minutes(20))),
equalTo(IntraDayDate.create(today.plusDays(2),
hours(4).plus(minutes(20)))));
start = IntraDayDate.create(today, hours(3));
assertThat(start.addEffort(hours(24)),
equalTo(IntraDayDate.create(today.plusDays(3), hours(3))));
assertThat(start.addEffort(hours(20)),
equalTo(IntraDayDate.create(today.plusDays(2), hours(7))));
assertThat(start.addEffort(hours(20).plus(minutes(20))),
equalTo(IntraDayDate.create(today.plusDays(2),
hours(7).plus(minutes(20)))));
start = IntraDayDate.create(today, hours(3).plus(minutes(40)));
assertThat(
start.addEffort(hours(24)),
equalTo(IntraDayDate.create(today.plusDays(3),
hours(3).plus(minutes(40)))));
assertThat(
start.addEffort(hours(20)),
equalTo(IntraDayDate.create(today.plusDays(2),
hours(7).plus(minutes(40)))));
assertThat(start.addEffort(hours(20).plus(minutes(20))),
equalTo(IntraDayDate.create(today.plusDays(3), hours(0))));
assertThat(
start.addEffort(hours(20).plus(minutes(10))),
equalTo(IntraDayDate.create(today.plusDays(2),
hours(7).plus(minutes(50)))));
}
}