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/*
The MIT License
Copyright (c) 2004-2015 Paul R. Holser, Jr.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package joptsimple.util;
import java.text.DateFormat;
import java.text.FieldPosition;
import java.text.NumberFormat;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Date;
import static java.text.DateFormat.*;
import joptsimple.ValueConversionException;
import joptsimple.ValueConverter;
import org.joda.time.LocalDate;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import static joptsimple.util.DateConverter.*;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import static org.junit.rules.ExpectedException.*;
/**
* @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a>
*/
public class DateConverterTest {
@Rule public final ExpectedException thrown = none();
private DateFormat notASimpleDateFormat;
private SimpleDateFormat monthDayYear;
@Before
public void setUp() {
notASimpleDateFormat = new DateFormat() {
private static final long serialVersionUID = -1L;
{
setNumberFormat( NumberFormat.getInstance() );
}
@Override
public StringBuffer format( Date date, StringBuffer toAppendTo, FieldPosition fieldPosition ) {
return null;
}
@Override
public Date parse( String source, ParsePosition pos ) {
return null;
}
};
monthDayYear = new SimpleDateFormat( "MM/dd/yyyy" );
}
@Test( expected = NullPointerException.class )
public void rejectsNullDateFormatter() {
new DateConverter( null );
}
@Test
public void shouldConvertValuesToDatesUsingADateFormat() {
ValueConverter<Date> converter = new DateConverter( monthDayYear );
assertEquals( new LocalDate( 2009, 1, 24 ).toDate(), converter.convert( "01/24/2009" ) );
}
@Test
public void rejectsNonParsableValues() {
thrown.expect( ValueConversionException.class );
new DateConverter( getDateInstance() ).convert( "@(#*^" );
}
@Test
public void rejectsValuesThatDoNotEntirelyMatch() {
thrown.expect( ValueConversionException.class );
new DateConverter( monthDayYear ).convert( "12/25/09 00:00:00" );
}
@Test
public void shouldCreateSimpleDateFormatConverter() {
assertEquals( new LocalDate( 2009, 7, 4 ).toDate(), datePattern( "MM/dd/yyyy" ).convert( "07/04/2009" ) );
}
@Test
public void rejectsNullDatePattern() {
thrown.expect( NullPointerException.class );
datePattern( null );
}
@Test
public void shouldRaiseExceptionThatContainsDatePatternAndValue() {
thrown.expect( ValueConversionException.class );
thrown.expectMessage( "qwe" );
thrown.expectMessage( monthDayYear.toPattern() );
new DateConverter( monthDayYear ).convert( "qwe" );
}
@Test
public void shouldRaiseExceptionThatContainsValueOnlyIfNotASimpleDateFormat() {
thrown.expect( ValueConversionException.class );
thrown.expectMessage( "asdf" );
thrown.expectMessage( not( containsString( notASimpleDateFormat.toString() ) ) );
new DateConverter( notASimpleDateFormat ).convert( "asdf" );
}
@Test
public void shouldAnswerCorrectValueType() {
assertSame( Date.class, new DateConverter( monthDayYear ).valueType() );
}
@Test
public void shouldGiveNoValuePatternIfFormatterNotASimpleDateFormat() {
assertEquals( "", new DateConverter( notASimpleDateFormat ).valuePattern() );
}
@Test
public void shouldGiveValuePatternIfFormatterIsASimpleDateFormat() {
assertEquals( monthDayYear.toPattern(), datePattern( monthDayYear.toPattern() ).valuePattern() );
}
}
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