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/*
* 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.ui;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;
import com.vaadin.server.data.DataSource;
import com.vaadin.shared.Registration;
import com.vaadin.shared.data.selection.MultiSelectServerRpc;
import com.vaadin.shared.data.selection.SelectionModel.Multi;
@RunWith(Parameterized.class)
public class AbstractMultiSelectTest {
@Parameters(name = "{0}")
public static Iterable<AbstractMultiSelect<String>> multiSelects() {
return Arrays.asList(new CheckBoxGroup<>(), new TwinColSelect<>(),
new ListSelect<>());
}
@Parameter
public AbstractMultiSelect<String> selectToTest;
private Multi<String> selectionModel;
private MultiSelectServerRpc rpc;
private Registration registration;
@Before
public void setUp() {
selectToTest.getSelectionModel().deselectAll();
// Intentional deviation from upcoming selection order
selectToTest.setDataSource(
DataSource.create("3", "2", "1", "5", "8", "7", "4", "6"));
selectionModel = selectToTest.getSelectionModel();
rpc = ComponentTest.getRpcProxy(selectToTest,
MultiSelectServerRpc.class);
}
@After
public void tearDown() {
if (registration != null) {
registration.remove();
registration = null;
}
}
@Test
public void stableSelectionOrder() {
selectionModel.select("1");
selectionModel.select("2");
selectionModel.select("3");
assertSelectionOrder(selectionModel, "1", "2", "3");
selectionModel.deselect("1");
assertSelectionOrder(selectionModel, "2", "3");
selectionModel.select("1");
assertSelectionOrder(selectionModel, "2", "3", "1");
selectionModel.selectItems("7", "8", "4");
assertSelectionOrder(selectionModel, "2", "3", "1", "7", "8", "4");
selectionModel.deselectItems("2", "1", "4", "5");
assertSelectionOrder(selectionModel, "3", "7", "8");
selectionModel.updateSelection(
new LinkedHashSet<>(Arrays.asList("5", "2")),
new LinkedHashSet<>(Arrays.asList("3", "8")));
assertSelectionOrder(selectionModel, "7", "5", "2");
}
@Test
public void apiSelectionChange_notUserOriginated() {
AtomicInteger listenerCount = new AtomicInteger(0);
listenerCount.set(0);
registration = selectToTest.addSelectionListener(event -> {
listenerCount.incrementAndGet();
Assert.assertFalse(event.isUserOriginated());
});
selectToTest.select("1");
selectToTest.select("2");
selectToTest.deselect("2");
selectToTest.getSelectionModel().deselectAll();
selectToTest.getSelectionModel().selectItems("2", "3", "4");
selectToTest.getSelectionModel().deselectItems("1", "4");
Assert.assertEquals(6, listenerCount.get());
// select partly selected
selectToTest.getSelectionModel().selectItems("2", "3", "4");
Assert.assertEquals(7, listenerCount.get());
// select completely selected
selectToTest.getSelectionModel().selectItems("2", "3", "4");
Assert.assertEquals(7, listenerCount.get());
// deselect partly not selected
selectToTest.getSelectionModel().selectItems("1", "4");
Assert.assertEquals(8, listenerCount.get());
// deselect completely not selected
selectToTest.getSelectionModel().selectItems("1", "4");
Assert.assertEquals(8, listenerCount.get());
}
@Test
public void rpcSelectionChange_userOriginated() {
AtomicInteger listenerCount = new AtomicInteger(0);
registration = selectToTest.addSelectionListener(event -> {
listenerCount.incrementAndGet();
Assert.assertTrue(event.isUserOriginated());
});
rpcSelect("1");
assertSelectionOrder(selectionModel, "1");
rpcSelect("2");
assertSelectionOrder(selectionModel, "1", "2");
rpcDeselect("2");
assertSelectionOrder(selectionModel, "1");
rpcSelect("3", "6");
assertSelectionOrder(selectionModel, "1", "3", "6");
rpcDeselect("1", "3");
assertSelectionOrder(selectionModel, "6");
Assert.assertEquals(5, listenerCount.get());
// select partly selected
rpcSelect("2", "3", "4");
Assert.assertEquals(6, listenerCount.get());
assertSelectionOrder(selectionModel, "6", "2", "3", "4");
// select completely selected
rpcSelect("2", "3", "4");
Assert.assertEquals(6, listenerCount.get());
assertSelectionOrder(selectionModel, "6", "2", "3", "4");
// deselect partly not selected
rpcDeselect("1", "4");
Assert.assertEquals(7, listenerCount.get());
assertSelectionOrder(selectionModel, "6", "2", "3");
// deselect completely not selected
rpcDeselect("1", "4");
Assert.assertEquals(7, listenerCount.get());
assertSelectionOrder(selectionModel, "6", "2", "3");
// select completely selected and deselect completely not selected
rpcUpdateSelection(new String[] { "3" }, new String[] { "1", "4" });
Assert.assertEquals(7, listenerCount.get());
assertSelectionOrder(selectionModel, "6", "2", "3");
// select partly selected and deselect completely not selected
rpcUpdateSelection(new String[] { "4", "2" },
new String[] { "1", "8" });
Assert.assertEquals(8, listenerCount.get());
assertSelectionOrder(selectionModel, "6", "2", "3", "4");
// select completely selected and deselect partly not selected
rpcUpdateSelection(new String[] { "4", "3" },
new String[] { "1", "2" });
Assert.assertEquals(9, listenerCount.get());
assertSelectionOrder(selectionModel, "6", "3", "4");
// duplicate case - ignored
rpcUpdateSelection(new String[] { "2" }, new String[] { "2" });
Assert.assertEquals(9, listenerCount.get());
assertSelectionOrder(selectionModel, "6", "3", "4");
// duplicate case - duplicate removed
rpcUpdateSelection(new String[] { "2" }, new String[] { "2", "3" });
Assert.assertEquals(10, listenerCount.get());
assertSelectionOrder(selectionModel, "6", "4");
// duplicate case - duplicate removed
rpcUpdateSelection(new String[] { "6", "8" }, new String[] { "6" });
Assert.assertEquals(11, listenerCount.get());
assertSelectionOrder(selectionModel, "6", "4", "8");
}
private void rpcSelect(String... keysToSelect) {
rpcUpdateSelection(keysToSelect, new String[] {});
}
private void rpcDeselect(String... keysToDeselect) {
rpcUpdateSelection(new String[] {}, keysToDeselect);
}
private void rpcUpdateSelection(String[] added, String[] removed) {
rpc.updateSelection(
new LinkedHashSet<>(Stream.of(added).map(this::getItemKey)
.collect(Collectors.toList())),
new LinkedHashSet<>(Stream.of(removed).map(this::getItemKey)
.collect(Collectors.toList())));
}
private String getItemKey(String dataObject) {
return selectToTest.getDataCommunicator().getKeyMapper()
.key(dataObject);
}
private static void assertSelectionOrder(Multi<String> selectionModel,
String... selectionOrder) {
Assert.assertEquals(Arrays.asList(selectionOrder),
new ArrayList<>(selectionModel.getSelectedItems()));
}
}
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