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package com.vaadin.tests.data.converter;
import static org.junit.Assert.assertEquals;
import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
import org.junit.Test;
import com.vaadin.data.Binder;
import com.vaadin.data.ValidationException;
import com.vaadin.data.ValueContext;
import com.vaadin.data.converter.LocalDateTimeToDateConverter;
import com.vaadin.shared.ui.datefield.DateTimeResolution;
import com.vaadin.ui.DateTimeField;
public class LocalDateTimeToDateConverterTest extends AbstractConverterTest {
private static final LocalDateTime LOCAL_DATE = LocalDateTime.of(2017, 1, 1,
1, 1, 1);
private static final Date DATE = createDate();
@Override
protected LocalDateTimeToDateConverter getConverter() {
return new LocalDateTimeToDateConverter(ZoneOffset.UTC);
}
@Test
public void testToModel() {
assertValue(DATE,
getConverter().convertToModel(LOCAL_DATE, new ValueContext()));
}
@Test
public void testToModelFromSqlDate() {
// Check that SQL dates also work (e.g. java.sql.Date.toInstant throws)
assertValue(new java.sql.Date(DATE.getTime()),
getConverter().convertToModel(LOCAL_DATE, new ValueContext()));
}
@Test
public void testToPresentation() {
assertEquals(LOCAL_DATE,
getConverter().convertToPresentation(DATE, new ValueContext()));
}
@Test
public void useWithBinder() throws ValidationException {
Binder<BeanWithDate> binder = new Binder<>();
DateTimeField dateField = new DateTimeField();
binder.forField(dateField).withConverter(getConverter())
.bind(BeanWithDate::getDate, BeanWithDate::setDate);
dateField.setValue(LOCAL_DATE);
BeanWithDate bean = new BeanWithDate();
binder.writeBean(bean);
assertEquals(DateTimeResolution.MINUTE, dateField.getResolution());
// create a comparison date that matches the resolution
Calendar calendar = Calendar
.getInstance(TimeZone.getTimeZone(ZoneOffset.UTC));
calendar.clear();
calendar.set(2017, Calendar.JANUARY, 1, 1, 1, 0);
Date date = calendar.getTime();
assertEquals(date, bean.getDate());
}
public static class BeanWithDate {
private Date date;
public void setDate(Date date) {
this.date = date;
}
public Date getDate() {
return date;
}
}
private static Date createDate() {
Calendar calendar = Calendar
.getInstance(TimeZone.getTimeZone(ZoneOffset.UTC));
calendar.clear();
calendar.set(2017, Calendar.JANUARY, 1, 1, 1, 1);
return calendar.getTime();
}
}
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