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package com.vaadin.data.provider.hierarchical;
import com.vaadin.data.TreeData;
import com.vaadin.data.provider.DataCommunicatorTest;
import com.vaadin.data.provider.HierarchicalDataCommunicator;
import com.vaadin.data.provider.TreeDataProvider;
import com.vaadin.server.AbstractClientConnector;
import com.vaadin.server.MockVaadinSession;
import com.vaadin.server.VaadinService;
import com.vaadin.server.VaadinSession;
import com.vaadin.ui.UI;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;
import java.util.Arrays;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
public class HierarchicalCommunicatorTest {
private static final String ROOT = "ROOT";
private static final String FOLDER = "FOLDER";
private static final String LEAF = "LEAF";
private TreeDataProvider<String> dataProvider;
private TestHierarchicalDataCommunicator<String> communicator;
private TreeData<String> treeData;
@Before
public void setUp() {
VaadinSession session = new MockVaadinSession(
Mockito.mock(VaadinService.class));
session.lock();
UI ui = new DataCommunicatorTest.TestUI(session);
treeData = new TreeData<>();
treeData.addItems(null, ROOT);
treeData.addItems(ROOT, FOLDER);
treeData.addItems(FOLDER, LEAF);
dataProvider = new TreeDataProvider<>(treeData);
communicator = new TestHierarchicalDataCommunicator<>();
communicator.extend(ui);
communicator.setDataProvider(dataProvider, null);
communicator.attach();
}
@Test
public void testFolderRemoveRefreshAll() {
testItemRemove(FOLDER, true);
}
@Test
public void testLeafRemoveRefreshAll() {
testItemRemove(LEAF, true);
}
@Test
public void testFolderRemove() {
testItemRemove(FOLDER, false);
}
@Test
public void testLeafRemove() {
testItemRemove(LEAF, false);
}
private void testItemRemove(String item, boolean refreshAll) {
communicator.pushData(1, Arrays.asList(ROOT, FOLDER, LEAF));
communicator.expand(ROOT);
communicator.expand(FOLDER);
// Put the item into client queue
communicator.refresh(item);
treeData.removeItem(item);
if (refreshAll) {
dataProvider.refreshAll();
} else {
dataProvider.refreshItem(item);
}
communicator.beforeClientResponse(false);
}
@Test
public void testReplaceAll() {
communicator.pushData(1, Arrays.asList(ROOT, FOLDER, LEAF));
// Some modifications
communicator.expand(ROOT);
communicator.expand(FOLDER);
communicator.refresh(LEAF);
// Replace dataprovider
communicator.setDataProvider(new TreeDataProvider<>(new TreeData<>()),
null);
dataProvider.refreshAll();
communicator.beforeClientResponse(false);
assertFalse("Stalled object in KeyMapper",
communicator.getKeyMapper().has(ROOT));
assertEquals(-1, communicator.getParentIndex(FOLDER).longValue());
}
private static class TestHierarchicalDataCommunicator<T>
extends HierarchicalDataCommunicator<T> {
@Override
public void extend(AbstractClientConnector target) {
super.extend(target);
}
@Override
public void pushData(int firstIndex, List<T> data) {
super.pushData(firstIndex, data);
}
}
}
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