DateTimeHourTest.java

package com.cloudhopper.commons.util.time;

/*
 * #%L
 * ch-commons-util
 * %%
 * Copyright (C) 2012 Cloudhopper by Twitter
 * %%
 * Licensed 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.
 * #L%
 */

// third party imports
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.junit.*;

/**
 * Tests DateTimePeriod class.
 * 
 * @author joelauer (twitter: @jjlauer or <a href="http://twitter.com/jjlauer" target=window>http://twitter.com/jjlauer</a>)
 */
public class DateTimeHourTest {

    @Test
    public void getNext() throws Exception {
        DateTimePeriod period0 = DateTimePeriod.createHour(2009, 12, 31, 23, DateTimeZone.UTC);

        DateTimePeriod period1 = period0.getNext();

        DateTime correctStart = new DateTime(2010,1,1,0,0,0,0,DateTimeZone.UTC);
        DateTime correctEnd = new DateTime(2010,1,1,1,0,0,0,DateTimeZone.UTC);
        Assert.assertEquals(correctStart, period1.getStart());
        Assert.assertEquals(correctEnd, period1.getEnd());
    }

    @Test
    public void getPrevious() throws Exception {
        DateTimePeriod period0 = DateTimePeriod.createHour(2009, 1, 1, 0, DateTimeZone.UTC);

        DateTimePeriod period1 = period0.getPrevious();

        DateTime correctStart = new DateTime(2008,12,31,23,0,0,0,DateTimeZone.UTC);
        DateTime correctEnd = new DateTime(2009,1,1,0,0,0,0,DateTimeZone.UTC);
        Assert.assertEquals(correctStart, period1.getStart());
        Assert.assertEquals(correctEnd, period1.getEnd());
    }

    @Test
    public void getDefaultSubDuration() throws Exception {
        DateTimePeriod period0 = DateTimePeriod.createHour(2009, 1, 1, 0, DateTimeZone.UTC);
        Assert.assertEquals(DateTimeDuration.FIVE_MINUTES, period0.getDefaultSubDuration());
    }
    
}