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/*
* Copyright 2000-2018 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.event.selection;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Optional;
import org.junit.Test;
import org.mockito.Mockito;
/**
* @author Vaadin Ltd
*
*/
public class SelectionEventTest {
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void getFirstSelected_mutliSelectEvent() {
MultiSelectionEvent<?> event = Mockito.mock(MultiSelectionEvent.class);
Mockito.doCallRealMethod().when(event).getFirstSelectedItem();
Mockito.when(event.getValue())
.thenReturn(new LinkedHashSet(Arrays.asList("foo", "bar")));
Optional<?> selected = event.getFirstSelectedItem();
Mockito.verify(event).getValue();
assertEquals("foo", selected.get());
Mockito.when(event.getValue()).thenReturn(Collections.emptySet());
assertFalse(event.getFirstSelectedItem().isPresent());
}
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void getFirstSelected_singleSelectEvent() {
SingleSelectionEvent event = Mockito.mock(SingleSelectionEvent.class);
Mockito.doCallRealMethod().when(event).getFirstSelectedItem();
Mockito.when(event.getSelectedItem()).thenReturn(Optional.of("foo"));
Optional<?> selected = event.getSelectedItem();
Mockito.verify(event).getSelectedItem();
assertEquals("foo", selected.get());
Mockito.when(event.getSelectedItem()).thenReturn(Optional.empty());
assertFalse(event.getFirstSelectedItem().isPresent());
}
}
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