/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hive.common.util;
import static org.junit.Assert.*;
import org.junit.Test;
import java.sql.Date;
public class TestDateParser {
DateParser parser = new DateParser();
Date date = new Date(0);
void checkValidCase(String strValue, Date expected) {
Date dateValue = parser.parseDate(strValue);
assertEquals(expected, dateValue);
assertTrue(parser.parseDate(strValue, date));
assertEquals(expected, date);
}
void checkInvalidCase(String strValue) {
Date dateValue = parser.parseDate(strValue);
assertNull(dateValue);
assertFalse(parser.parseDate(strValue, date));
}
@Test
public void testValidCases() throws Exception {
checkValidCase("1945-12-31", Date.valueOf("1945-12-31"));
checkValidCase("1946-01-01", Date.valueOf("1946-01-01"));
checkValidCase("2001-11-12", Date.valueOf("2001-11-12"));
checkValidCase("0004-05-06", Date.valueOf("0004-05-06"));
checkValidCase("1678-09-10", Date.valueOf("1678-09-10"));
checkValidCase("9999-10-11", Date.valueOf("9999-10-11"));
// Timestamp strings should parse ok
checkValidCase("2001-11-12 01:02:03", Date.valueOf("2001-11-12"));
// Leading spaces
checkValidCase(" 1946-01-01", Date.valueOf("1946-01-01"));
checkValidCase(" 2001-11-12 01:02:03", Date.valueOf("2001-11-12"));
// Current date parsing is lenient
checkValidCase("2001-13-12", Date.valueOf("2002-01-12"));
checkValidCase("2001-11-31", Date.valueOf("2001-12-01"));
}
@Test
public void testInvalidCases() throws Exception {
checkInvalidCase("2001");
checkInvalidCase("2001-01");
checkInvalidCase("abc");
checkInvalidCase(" 2001 ");
checkInvalidCase("a2001-01-01");
}
}