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1   /*
2    * Copyright 2006-2008 The Kuali Foundation
3    * 
4    * Licensed under the Educational Community License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    * http://www.opensource.org/licenses/ecl2.php
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.kuali.rice.kns.util;
17  
18  import java.util.Calendar;
19  import java.util.Date;
20  import java.util.GregorianCalendar;
21  
22  import org.junit.Test;
23  import org.kuali.rice.kns.util.DateUtils;
24  import org.kuali.test.KNSTestCase;
25  
26  public class DateUtilsTest extends KNSTestCase {
27      Calendar nowCal;
28      Calendar prevCal;
29      Calendar nextCal;
30  
31      Date nowDate;
32      Date prevDate;
33      Date nextDate;
34  
35      @Override
36      public void setUp() throws Exception {
37          super.setUp();
38  
39          nowCal = GregorianCalendar.getInstance();
40          nowDate = nowCal.getTime();
41  
42          prevCal = new GregorianCalendar();
43          prevCal.setTime(nowDate);
44          prevCal.add(Calendar.DAY_OF_YEAR, -1);
45          prevDate = prevCal.getTime();
46  
47          nextCal = new GregorianCalendar();
48          nextCal.setTime(nowDate);
49          nextCal.add(Calendar.DAY_OF_YEAR, 1);
50          nextDate = nextCal.getTime();
51  
52          assertTrue(prevCal.before(nowCal));
53          assertTrue(nextCal.after(nowCal));
54  
55          assertTrue(prevDate.before(nowDate));
56          assertTrue(nextDate.after(nowDate));
57      }
58  
59      @Test public void testIsSameDayDateDate_prevDate() {
60          assertFalse(DateUtils.isSameDay(prevDate, nowDate));
61      }
62  
63      @Test public void testIsSameDayDateDate_sameDate() {
64          assertTrue(DateUtils.isSameDay(nowDate, nowDate));
65      }
66  
67      @Test public void testIsSameDayDateDate_nextDate() {
68          assertFalse(DateUtils.isSameDay(nowDate, nextDate));
69      }
70  
71      @Test public void testIsSameDayCalendarCalendar_prevCal() {
72          assertFalse(DateUtils.isSameDay(nowCal, prevCal));
73      }
74  
75      @Test public void testIsSameDayCalendarCalendar_sameCal() {
76          assertTrue(DateUtils.isSameDay(nowCal, nowCal));
77      }
78  
79      @Test public void testIsSameDayCalendarCalendar_nextCal() {
80          assertFalse(DateUtils.isSameDay(nextCal, nowCal));
81      }
82  
83      @Test public void testConvertToSqlDate() {
84          java.sql.Date sqlDate = DateUtils.convertToSqlDate(nowDate);
85          assertEquals(sqlDate.getTime(), nowDate.getTime());
86      }
87  
88      @Test public void testClearTimeFieldsDate() {
89          java.util.Date timeless = DateUtils.clearTimeFields(nowDate);
90  
91          assertTimeCleared(timeless.getTime());
92      }
93  
94      @Test public void testClearTimeFieldsSqlDate() {
95          java.sql.Date timeless = DateUtils.clearTimeFields(DateUtils.convertToSqlDate(nowDate));
96  
97          assertTimeCleared(timeless.getTime());
98      }
99  
100 
101     private void assertTimeCleared(long timeInMilliseconds) {
102         Calendar cal = new GregorianCalendar();
103         cal.setTimeInMillis(timeInMilliseconds);
104 
105         assertFalse(0 == cal.get(Calendar.YEAR));
106         // month can legitimately be 0
107         assertFalse(0 == cal.get(Calendar.DATE));
108         assertEquals(0, cal.get(Calendar.HOUR_OF_DAY));
109         assertEquals(0, cal.get(Calendar.MINUTE));
110         assertEquals(0, cal.get(Calendar.SECOND));
111         assertEquals(0, cal.get(Calendar.MILLISECOND));
112     }
113 }