/*
* Copyright 2000-2016 Vaadin Ltd.
*
* 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.
*/
package com.vaadin.data;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import org.junit.Before;
import org.junit.Test;
import com.vaadin.tests.data.bean.Person;
import com.vaadin.tests.data.bean.Sex;
import com.vaadin.ui.NativeSelect;
public class BinderSingleSelectTest
extends BinderTestBase<Binder<Person>, Person> {
private NativeSelect<Sex> select;
@Before
public void setUp() {
binder = new Binder<>();
item = new Person();
select = new NativeSelect<>();
select.setItems(Sex.values());
}
@Test
public void personBound_bindSelectByShortcut_selectionUpdated() {
item.setSex(Sex.FEMALE);
binder.setBean(item);
binder.bind(select, Person::getSex, Person::setSex);
assertSame(Sex.FEMALE, select.getSelectedItem().orElse(null));
}
@Test
public void personBound_bindSelect_selectionUpdated() {
item.setSex(Sex.MALE);
binder.setBean(item);
binder.forField(select).bind(Person::getSex, Person::setSex);
assertSame(Sex.MALE, select.getSelectedItem().orElse(null));
}
@Test
public void selectBound_bindPersonWithNullSex_selectedItemNotPresent() {
bindSex();
assertFalse(select.getSelectedItem().isPresent());
}
@Test
public void selectBound_bindPerson_selectionUpdated() {
item.setSex(Sex.FEMALE);
bindSex();
assertSame(Sex.FEMALE, select.getSelectedItem().orElse(null));
}
@Test
public void bound_setSelection_beanValueUpdated() {
bindSex();
select.setValue(Sex.MALE);
assertSame(Sex.MALE, item.getSex());
}
@Test
public void bound_deselect_beanValueUpdatedToNull() {
item.setSex(Sex.MALE);
bindSex();
select.setValue(null);
assertNull(item.getSex());
}
@Test
public void unbound_changeSelection_beanValueNotUpdated() {
item.setSex(Sex.UNKNOWN);
bindSex();
binder.removeBean();
select.setValue(Sex.FEMALE);
assertSame(Sex.UNKNOWN, item.getSex());
}
protected void bindSex() {
binder.forField(select).bind(Person::getSex, Person::setSex);
binder.setBean(item);
}
}