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package com.vaadin.tests.components;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import com.vaadin.data.TreeData;
import com.vaadin.data.provider.TreeDataProvider;
import com.vaadin.event.CollapseEvent;
import com.vaadin.event.CollapseEvent.CollapseListener;
import com.vaadin.event.ExpandEvent;
import com.vaadin.event.ExpandEvent.ExpandListener;
import com.vaadin.server.ThemeResource;
import com.vaadin.ui.Tree;
public class TreeTest {
public static final String TEST_CAPTION = "test caption";
public static final String TEST_DESCRIPTION = "test description";
public static final String TEST_RESOURCE_ID = "nothing.gif";
private static class TreeCollapseExpandListener
implements ExpandListener<String>, CollapseListener<String> {
private boolean collapsed = false;
private boolean expanded = false;
private final Tree<String> tree;
public TreeCollapseExpandListener(Tree<String> tree) {
this.tree = tree;
}
@Override
public void itemCollapse(CollapseEvent<String> event) {
assertEquals("Source component was incorrect", tree,
event.getComponent());
assertFalse("Multiple collapse events", collapsed);
collapsed = true;
}
@Override
public void itemExpand(ExpandEvent<String> event) {
assertEquals("Source component was incorrect", tree,
event.getComponent());
assertFalse("Multiple expand events", expanded);
expanded = true;
}
public boolean isExpanded() {
return expanded;
}
public boolean isCollapsed() {
return collapsed;
}
}
@Test
public void event_source_is_tree() {
Tree<String> tree = new Tree<>();
TreeData<String> treeData = new TreeData<>();
treeData.addItem(null, "Foo");
treeData.addItem("Foo", "Bar");
treeData.addItem("Foo", "Baz");
tree.setDataProvider(new TreeDataProvider<>(treeData));
TreeCollapseExpandListener listener = new TreeCollapseExpandListener(
tree);
tree.addExpandListener(listener);
tree.addCollapseListener(listener);
assertFalse(listener.isExpanded());
tree.expand("Foo");
assertTrue("Item not expanded", tree.isExpanded("Foo"));
assertTrue("Expand event not fired", listener.isExpanded());
assertFalse(listener.isCollapsed());
tree.collapse("Foo");
assertFalse("Item not collapsed", tree.isExpanded("Foo"));
assertTrue("Collapse event not fired", listener.isCollapsed());
}
@Test
public void testComponentProperties() {
Tree<String> tree = new Tree<>();
tree.setCaption(TEST_CAPTION);
tree.setDescription(TEST_DESCRIPTION);
tree.setIcon(new ThemeResource(TEST_RESOURCE_ID));
assertEquals(TEST_CAPTION, tree.getCaption());
assertEquals(TEST_DESCRIPTION, tree.getDescription());
assertEquals(TEST_RESOURCE_ID, tree.getIcon().toString());
assertFalse(tree.isCaptionAsHtml());
tree.setCaptionAsHtml(true);
assertTrue(tree.isCaptionAsHtml());
}
}
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