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/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2014 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* SonarQube 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.api.utils;
import org.assertj.core.api.Assertions;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import static org.hamcrest.Matchers.*;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.*;
public class DateUtilsTest {
@Rule
public ExpectedException thrown = ExpectedException.none();
@Test
public void parseDate_valid_format() {
Date date = DateUtils.parseDate("2010-05-18");
assertThat(date.getDate(), is(18));
}
@Test
public void parseDate_not_valid_format() {
thrown.expect(SonarException.class);
DateUtils.parseDate("2010/05/18");
}
@Test
public void parseDateQuietly() {
assertNull(DateUtils.parseDateQuietly("2010/05/18"));
Date date = DateUtils.parseDateQuietly("2010-05-18");
assertThat(date.getDate(), is(18));
}
@Test
public void parseDate_fail_if_additional_characters() {
thrown.expect(SonarException.class);
DateUtils.parseDate("1986-12-04foo");
}
@Test
public void parseDateTime_valid_format() {
Date date = DateUtils.parseDateTime("2010-05-18T15:50:45+0100");
assertThat(date.getMinutes(), is(50));
}
@Test
public void parseDateTime_not_valid_format() {
thrown.expect(SonarException.class);
DateUtils.parseDate("2010/05/18 10:55");
}
@Test
public void parseDateTime_fail_if_additional_characters() {
thrown.expect(SonarException.class);
DateUtils.parseDateTime("1986-12-04T01:02:03+0300foo");
}
@Test
public void parseDateTimeQuietly() {
assertNull(DateUtils.parseDateTimeQuietly("2010/05/18 10:55"));
Date date = DateUtils.parseDateTimeQuietly("2010-05-18T15:50:45+0100");
assertThat(date.getMinutes(), is(50));
}
@Test
public void shouldFormatDate() {
assertThat(DateUtils.formatDate(new Date()), startsWith("20"));
assertThat(DateUtils.formatDate(new Date()).length(), is(10));
}
@Test
public void shouldFormatDateTime() {
assertThat(DateUtils.formatDateTime(new Date()), startsWith("20"));
assertThat(DateUtils.formatDateTime(new Date()).length(), greaterThan(20));
}
@Test
public void format_date_time_null_safe() {
Assertions.assertThat(DateUtils.formatDateTimeNullSafe(new Date())).startsWith("20");
Assertions.assertThat(DateUtils.formatDateTimeNullSafe(new Date()).length()).isGreaterThan(20);
Assertions.assertThat(DateUtils.formatDateTimeNullSafe(null)).isEmpty();
}
@Test
public void long_to_date() {
Date date = new Date();
Assertions.assertThat(DateUtils.longToDate(date.getTime())).isEqualTo(date);
Assertions.assertThat(DateUtils.longToDate(null)).isNull();
}
@Test
public void date_to_long() {
Date date = new Date();
Assertions.assertThat(DateUtils.dateToLong(date)).isEqualTo(date.getTime());
Assertions.assertThat(DateUtils.dateToLong(null)).isEqualTo(null);
}
/**
* Cordially copied from XStream unit test
* See http://koders.com/java/fid8A231D75F2C6E6909FB26BCA11C12D08AD05FB50.aspx?s=ThreadSafeDateFormatTest
*/
@Test
public void shouldBeThreadSafe() throws Exception {
final DateUtils.ThreadSafeDateFormat format = new DateUtils.ThreadSafeDateFormat("yyyy-MM-dd'T'HH:mm:ss,S z");
final Date now = new Date();
final List<Throwable> throwables = new ArrayList<>();
final ThreadGroup tg = new ThreadGroup("shouldBeThreadSafe") {
@Override
public void uncaughtException(Thread t, Throwable e) {
throwables.add(e);
super.uncaughtException(t, e);
}
};
final int[] counter = new int[1];
counter[0] = 0;
final Thread[] threads = new Thread[10];
for (int i = 0; i < threads.length; ++i) {
threads[i] = new Thread(tg, "JUnit Thread " + i) {
@Override
public void run() {
int i = 0;
try {
synchronized (this) {
notifyAll();
wait();
}
while (i < 1000 && !interrupted()) {
String formatted = format.format(now);
Thread.yield();
assertEquals(now, format.parse(formatted));
++i;
}
} catch (Exception e) {
fail("Unexpected exception: " + e);
}
synchronized (counter) {
counter[0] += i;
}
}
};
}
for (int i = 0; i < threads.length; ++i) {
synchronized (threads[i]) {
threads[i].start();
threads[i].wait();
}
}
for (int i = 0; i < threads.length; ++i) {
synchronized (threads[i]) {
threads[i].notifyAll();
}
}
Thread.sleep(1000);
for (int i = 0; i < threads.length; ++i) {
threads[i].interrupt();
}
for (int i = 0; i < threads.length; ++i) {
synchronized (threads[i]) {
threads[i].join();
}
}
assertThat(throwables.size(), is(0));
assertThat(counter[0], greaterThanOrEqualTo(threads.length));
}
}
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