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/*
* Copyright 2000-2014 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.ui;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import com.vaadin.server.data.datasource.bov.Person;
import com.vaadin.shared.data.DataCommunicatorClientRpc;
import com.vaadin.ui.AbstractSingleSelect.AbstractSingleSelection;
/**
* Test for {@link AbstractSingleSelect} and {@link AbstractSingleSelection}
*
* @author Vaadin Ltd
*/
public class AbstractSingleSelectTest {
private PersonListing.AbstractSingleSelection selectionModel;
private List<Person> selectionChanges;
private static class PersonListing extends
AbstractSingleSelect<Person> {
public PersonListing() {
setSelectionModel(new SimpleSingleSelection());
}
}
@Before
public void initListing() {
listing = new PersonListing();
listing.setItems(PERSON_A, PERSON_B, PERSON_C);
selectionModel = listing.getSelectionModel();
selectionChanges = new ArrayList<>();
listing.addSelectionListener(e -> selectionChanges.add(e.getValue()));
}
public static final Person PERSON_C = new Person("c", 3);
public static final Person PERSON_B = new Person("b", 2);
public static final Person PERSON_A = new Person("a", 1);
public static final String RPC_INTERFACE = DataCommunicatorClientRpc.class
.getName();
private PersonListing listing;
@Test
public void select() {
selectionModel.select(PERSON_B);
assertTrue(selectionModel.getSelectedItem().isPresent());
assertEquals(PERSON_B, selectionModel.getSelectedItem().orElse(null));
assertFalse(selectionModel.isSelected(PERSON_A));
assertTrue(selectionModel.isSelected(PERSON_B));
assertFalse(selectionModel.isSelected(PERSON_C));
assertEquals(Collections.singleton(PERSON_B), selectionModel
.getSelectedItems());
assertEquals(Arrays.asList(PERSON_B), selectionChanges);
}
@Test
public void selectDeselect() {
selectionModel.select(PERSON_B);
selectionModel.deselect(PERSON_B);
assertFalse(selectionModel.getSelectedItem().isPresent());
assertFalse(selectionModel.isSelected(PERSON_A));
assertFalse(selectionModel.isSelected(PERSON_B));
assertFalse(selectionModel.isSelected(PERSON_C));
assertTrue(selectionModel.getSelectedItems().isEmpty());
assertEquals(Arrays.asList(PERSON_B, null), selectionChanges);
}
@Test
public void reselect() {
selectionModel.select(PERSON_B);
selectionModel.select(PERSON_C);
assertEquals(PERSON_C, selectionModel.getSelectedItem().orElse(null));
assertFalse(selectionModel.isSelected(PERSON_A));
assertFalse(selectionModel.isSelected(PERSON_B));
assertTrue(selectionModel.isSelected(PERSON_C));
assertEquals(Collections.singleton(PERSON_C), selectionModel
.getSelectedItems());
assertEquals(Arrays.asList(PERSON_B, PERSON_C), selectionChanges);
}
@Test
public void deselectNoOp() {
selectionModel.select(PERSON_C);
selectionModel.deselect(PERSON_B);
assertEquals(PERSON_C, selectionModel.getSelectedItem().orElse(null));
assertFalse(selectionModel.isSelected(PERSON_A));
assertFalse(selectionModel.isSelected(PERSON_B));
assertTrue(selectionModel.isSelected(PERSON_C));
assertEquals(Collections.singleton(PERSON_C), selectionModel
.getSelectedItems());
assertEquals(Arrays.asList(PERSON_C), selectionChanges);
}
@Test
public void selectTwice() {
selectionModel.select(PERSON_C);
selectionModel.select(PERSON_C);
assertEquals(PERSON_C, selectionModel.getSelectedItem().orElse(null));
assertFalse(selectionModel.isSelected(PERSON_A));
assertFalse(selectionModel.isSelected(PERSON_B));
assertTrue(selectionModel.isSelected(PERSON_C));
assertEquals(Collections.singleton(PERSON_C), selectionModel
.getSelectedItems());
assertEquals(Arrays.asList(PERSON_C), selectionChanges);
}
@Test
public void deselectTwice() {
selectionModel.select(PERSON_C);
selectionModel.deselect(PERSON_C);
selectionModel.deselect(PERSON_C);
assertFalse(selectionModel.getSelectedItem().isPresent());
assertFalse(selectionModel.isSelected(PERSON_A));
assertFalse(selectionModel.isSelected(PERSON_B));
assertFalse(selectionModel.isSelected(PERSON_C));
assertTrue(selectionModel.getSelectedItems().isEmpty());
assertEquals(Arrays.asList(PERSON_C, null), selectionChanges);
}
}
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