forked from pgjdbc/pgjdbc
/
IntervalTest.java
303 lines (245 loc) · 9.4 KB
/
IntervalTest.java
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/*
* Copyright (c) 2005, PostgreSQL Global Development Group
* See the LICENSE file in the project root for more information.
*/
package org.postgresql.test.jdbc2;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import org.postgresql.test.TestUtil;
import org.postgresql.util.PGInterval;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
public class IntervalTest {
private Connection conn;
@Before
public void setUp() throws Exception {
conn = TestUtil.openDB();
TestUtil.createTable(conn, "testinterval", "v interval");
TestUtil.createTable(conn, "testdate", "v date");
}
@After
public void tearDown() throws Exception {
TestUtil.dropTable(conn, "testinterval");
TestUtil.dropTable(conn, "testdate");
TestUtil.closeDB(conn);
}
@Test
public void testOnlineTests() throws SQLException {
PreparedStatement pstmt = conn.prepareStatement("INSERT INTO testinterval VALUES (?)");
pstmt.setObject(1, new PGInterval(2004, 13, 28, 0, 0, 43000.9013));
pstmt.executeUpdate();
pstmt.close();
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("SELECT v FROM testinterval");
assertTrue(rs.next());
PGInterval pgi = (PGInterval) rs.getObject(1);
assertEquals(2005, pgi.getYears());
assertEquals(1, pgi.getMonths());
assertEquals(28, pgi.getDays());
assertEquals(11, pgi.getHours());
assertEquals(56, pgi.getMinutes());
assertEquals(40.9013, pgi.getSeconds(), 0.000001);
assertTrue(!rs.next());
rs.close();
stmt.close();
}
@Test
public void testStringToIntervalCoercion() throws SQLException {
Statement stmt = conn.createStatement();
stmt.executeUpdate(TestUtil.insertSQL("testdate", "'2010-01-01'"));
stmt.executeUpdate(TestUtil.insertSQL("testdate", "'2010-01-02'"));
stmt.executeUpdate(TestUtil.insertSQL("testdate", "'2010-01-04'"));
stmt.executeUpdate(TestUtil.insertSQL("testdate", "'2010-01-05'"));
stmt.close();
PreparedStatement pstmt = conn.prepareStatement(
"SELECT v FROM testdate WHERE v < (?::timestamp with time zone + ? * ?::interval) ORDER BY v");
pstmt.setObject(1, makeDate(2010, 1, 1));
pstmt.setObject(2, Integer.valueOf(2));
pstmt.setObject(3, "1 day");
ResultSet rs = pstmt.executeQuery();
assertNotNull(rs);
java.sql.Date d;
assertTrue(rs.next());
d = rs.getDate(1);
assertNotNull(d);
assertEquals(makeDate(2010, 1, 1), d);
assertTrue(rs.next());
d = rs.getDate(1);
assertNotNull(d);
assertEquals(makeDate(2010, 1, 2), d);
assertFalse(rs.next());
rs.close();
pstmt.close();
}
@Test
public void testIntervalToStringCoercion() throws SQLException {
PGInterval interval = new PGInterval("1 year 3 months");
String coercedStringValue = interval.toString();
assertEquals("1 years 3 mons 0 days 0 hours 0 mins 0.0 secs", coercedStringValue);
}
@Test
public void testDaysHours() throws SQLException {
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("SELECT '101:12:00'::interval");
assertTrue(rs.next());
PGInterval i = (PGInterval) rs.getObject(1);
// 8.1 servers store hours and days separately.
assertEquals(0, i.getDays());
assertEquals(101, i.getHours());
assertEquals(12, i.getMinutes());
}
@Test
public void testAddRounding() {
PGInterval pgi = new PGInterval(0, 0, 0, 0, 0, 0.6006);
Calendar cal = Calendar.getInstance();
long origTime = cal.getTime().getTime();
pgi.add(cal);
long newTime = cal.getTime().getTime();
assertEquals(601, newTime - origTime);
pgi.setSeconds(-0.6006);
pgi.add(cal);
assertEquals(origTime, cal.getTime().getTime());
}
@Test
public void testOfflineTests() throws Exception {
PGInterval pgi = new PGInterval(2004, 4, 20, 15, 57, 12.1);
assertEquals(2004, pgi.getYears());
assertEquals(4, pgi.getMonths());
assertEquals(20, pgi.getDays());
assertEquals(15, pgi.getHours());
assertEquals(57, pgi.getMinutes());
assertEquals(12.1, pgi.getSeconds(), 0);
PGInterval pgi2 = new PGInterval("@ 2004 years 4 mons 20 days 15 hours 57 mins 12.1 secs");
assertEquals(pgi, pgi2);
// Singular units
PGInterval pgi3 = new PGInterval("@ 2004 year 4 mon 20 day 15 hour 57 min 12.1 sec");
assertEquals(pgi, pgi3);
PGInterval pgi4 = new PGInterval("2004 years 4 mons 20 days 15:57:12.1");
assertEquals(pgi, pgi4);
// Ago test
pgi = new PGInterval("@ 2004 years 4 mons 20 days 15 hours 57 mins 12.1 secs ago");
assertEquals(-2004, pgi.getYears());
assertEquals(-4, pgi.getMonths());
assertEquals(-20, pgi.getDays());
assertEquals(-15, pgi.getHours());
assertEquals(-57, pgi.getMinutes());
assertEquals(-12.1, pgi.getSeconds(), 0);
// Char test
pgi = new PGInterval("@ +2004 years -4 mons +20 days -15 hours +57 mins -12.1 secs");
assertEquals(2004, pgi.getYears());
assertEquals(-4, pgi.getMonths());
assertEquals(20, pgi.getDays());
assertEquals(-15, pgi.getHours());
assertEquals(57, pgi.getMinutes());
assertEquals(-12.1, pgi.getSeconds(), 0);
}
private Calendar getStartCalendar() {
Calendar cal = new GregorianCalendar();
cal.set(Calendar.YEAR, 2005);
cal.set(Calendar.MONTH, 4);
cal.set(Calendar.DAY_OF_MONTH, 29);
cal.set(Calendar.HOUR_OF_DAY, 15);
cal.set(Calendar.MINUTE, 35);
cal.set(Calendar.SECOND, 42);
cal.set(Calendar.MILLISECOND, 100);
return cal;
}
@Test
public void testCalendar() throws Exception {
Calendar cal = getStartCalendar();
PGInterval pgi = new PGInterval("@ 1 year 1 mon 1 day 1 hour 1 minute 1 secs");
pgi.add(cal);
assertEquals(2006, cal.get(Calendar.YEAR));
assertEquals(5, cal.get(Calendar.MONTH));
assertEquals(30, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(16, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(36, cal.get(Calendar.MINUTE));
assertEquals(43, cal.get(Calendar.SECOND));
assertEquals(100, cal.get(Calendar.MILLISECOND));
pgi = new PGInterval("@ 1 year 1 mon 1 day 1 hour 1 minute 1 secs ago");
pgi.add(cal);
assertEquals(2005, cal.get(Calendar.YEAR));
assertEquals(4, cal.get(Calendar.MONTH));
assertEquals(29, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(15, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(35, cal.get(Calendar.MINUTE));
assertEquals(42, cal.get(Calendar.SECOND));
assertEquals(100, cal.get(Calendar.MILLISECOND));
cal = getStartCalendar();
pgi = new PGInterval("@ 1 year -23 hours -3 mins -3.30 secs");
pgi.add(cal);
assertEquals(2006, cal.get(Calendar.YEAR));
assertEquals(4, cal.get(Calendar.MONTH));
assertEquals(28, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(16, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(32, cal.get(Calendar.MINUTE));
assertEquals(38, cal.get(Calendar.SECOND));
assertEquals(800, cal.get(Calendar.MILLISECOND));
pgi = new PGInterval("@ 1 year -23 hours -3 mins -3.30 secs ago");
pgi.add(cal);
assertEquals(2005, cal.get(Calendar.YEAR));
assertEquals(4, cal.get(Calendar.MONTH));
assertEquals(29, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(15, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(35, cal.get(Calendar.MINUTE));
assertEquals(42, cal.get(Calendar.SECOND));
assertEquals(100, cal.get(Calendar.MILLISECOND));
}
@Test
public void testDate() throws Exception {
Date date = getStartCalendar().getTime();
Date date2 = getStartCalendar().getTime();
PGInterval pgi = new PGInterval("@ +2004 years -4 mons +20 days -15 hours +57 mins -12.1 secs");
pgi.add(date);
PGInterval pgi2 =
new PGInterval("@ +2004 years -4 mons +20 days -15 hours +57 mins -12.1 secs ago");
pgi2.add(date);
assertEquals(date2, date);
}
@Test
public void testPostgresDate() throws Exception {
Date date = getStartCalendar().getTime();
Date date2 = getStartCalendar().getTime();
PGInterval pgi = new PGInterval("+2004 years -4 mons +20 days -15:57:12.1");
pgi.add(date);
PGInterval pgi2 = new PGInterval("-2004 years 4 mons -20 days 15:57:12.1");
pgi2.add(date);
assertEquals(date2, date);
}
@Test
public void testISO8601() throws Exception {
PGInterval pgi = new PGInterval("P1Y2M3DT4H5M6S");
assertEquals(1, pgi.getYears() );
assertEquals(2, pgi.getMonths() );
assertEquals(3, pgi.getDays() );
assertEquals(4, pgi.getHours() );
assertEquals( 5, pgi.getMinutes() );
assertEquals( 6, pgi.getSeconds(), .1 );
pgi = new PGInterval("P-1Y2M3DT4H5M6S");
assertEquals(-1, pgi.getYears());
pgi = new PGInterval("P1Y2M");
assertEquals(1,pgi.getYears());
assertEquals(2, pgi.getMonths());
assertEquals(0, pgi.getDays());
pgi = new PGInterval("P3DT4H5M6S");
assertEquals(0,pgi.getYears());
pgi = new PGInterval("P-1Y-2M3DT-4H-5M-6S");
assertEquals(-1, pgi.getYears());
assertEquals(-2, pgi.getMonths());
assertEquals(-4, pgi.getHours());
}
private java.sql.Date makeDate(int y, int m, int d) {
return new java.sql.Date(y - 1900, m - 1, d);
}
}