I'm attaching my test case. Its a test for the latest MyFaces trunk code.
/*
* Copyright 2006 The Apache Software Foundation.
*
* 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 org.apache.myfaces.custom.tree2;
import org.apache.shale.test.base.AbstractJsfTestCase;
import org.apache.shale.test.mock.MockPrintWriter;
import org.apache.shale.test.mock.MockResponseWriter;
import org.apache.myfaces.renderkit.JSFAttr;
import org.apache.myfaces.config.MyfacesConfig;
import org.apache.commons.lang.StringUtils;
import junit.framework.Test;
import junit.framework.TestSuite;
import javax.faces.component.UIComponentBase;
import javax.faces.context.FacesContext;
import java.io.BufferedWriter;
import java.io.CharArrayWriter;
import java.io.IOException;
import java.util.Stack;
/**
* - .. Root (0)
* |
* - .. A (0:0)
* | |
* | + .. AA (0:0:0)
* | |
* | + .. AB (0:0:1)
* | |
* | + .. AC (0:0:2)
* | | .. aca (0:0:2:0)
* | | .. acb (0:0:2:1)
* |
* + .. B (0:1)
* | |
* | + .. BA (0:1:0)
* | |
* | + .. BB (0:1:1)
* |
* | .. C (0:2)
* |
* | .. d (0:3)
*/
public class HtmlTreeRendererTest extends AbstractJsfTestCase
{
private static final String DEFAULT_NODE_TYPE = "default";
private static final String TREE_ID = "some_foo_tree";
private HtmlTree tree;
private NodeSimulator nodeSim;
/**
* Constructor
* @param name String
*/
public HtmlTreeRendererTest(String name)
{
super(name);
}
/**
* See abstract class
*/
public void setUp()
{
super.setUp();
tree = new HtmlTree();
tree.setId(TREE_ID);
nodeSim = new NodeSimulator();
// additional setup not provided automatically by the shale mock stuff
facesContext.getExternalContext().getApplicationMap().put(MyfacesConfig.class.getName(), new MyfacesConfig());
facesContext.setResponseWriter(new MockResponseWriter(new BufferedWriter(new CharArrayWriter()), null, null));
// set up the test tree with the standard data
TreeNodeBase Root_node = new TreeNodeBase(DEFAULT_NODE_TYPE, "Root", "Root", false);
TreeNodeBase A_node = new TreeNodeBase(DEFAULT_NODE_TYPE, "A", "A", false);
A_node.getChildren().add(new TreeNodeBase(DEFAULT_NODE_TYPE, "AA", "AA", false));
A_node.getChildren().add(new TreeNodeBase(DEFAULT_NODE_TYPE, "AB", "AB", false));
TreeNodeBase AC_node = new TreeNodeBase(DEFAULT_NODE_TYPE, "AC", "AC", false);
AC_node.getChildren().add(new TreeNodeBase(DEFAULT_NODE_TYPE, "aca", "aca", true));
AC_node.getChildren().add(new TreeNodeBase(DEFAULT_NODE_TYPE, "acb", "acb", true));
A_node.getChildren().add(AC_node);
Root_node.getChildren().add(A_node);
TreeNodeBase B_node = new TreeNodeBase(DEFAULT_NODE_TYPE, "B", "B", false);
B_node.getChildren().add(new TreeNodeBase(DEFAULT_NODE_TYPE, "BA", "BA", false));
B_node.getChildren().add(new TreeNodeBase(DEFAULT_NODE_TYPE, "BB", "BB", false));
Root_node.getChildren().add(B_node);
TreeNodeBase C_node = new TreeNodeBase(DEFAULT_NODE_TYPE, "C", "C", false);
Root_node.getChildren().add(C_node);
TreeNodeBase d_node = new TreeNodeBase(DEFAULT_NODE_TYPE, "d", "d", true);
Root_node.getChildren().add(d_node);
tree.setValue(Root_node);
// the tree needs a default facet - use a node simulator instead of the usual components
// so we can detect when a node is rendered
tree.getFacets().put(DEFAULT_NODE_TYPE, nodeSim);
// set up the renderer for the component. with mock stuff we don't have faces config doing this for us
renderKit.addRenderer(HtmlTree.COMPONENT_FAMILY, HtmlTree.COMPONENT_TYPE, new HtmlTreeRenderer());
}
/**
* Tests the option of hiding the root node (with server side toggling option)
* @throws Exception
*/
public void testHideRootNodeServer() throws Exception
{
tree.getAttributes().put(JSFAttr.CLIENT_SIDE_TOGGLE, Boolean.FALSE);
tree.getAttributes().put(JSFAttr.SHOW_ROOT_NODE, Boolean.FALSE);
HtmlTreeRenderer treeRenderer = new HtmlTreeRenderer();
treeRenderer.encodeChildren(facesContext, tree);
// we expect the nodes to come off the stack in the reverse order in which they were added
Stack nodeStack = nodeSim.nodeStack;
int numRendered = nodeStack.size();
assertEquals("Unexpected number of nodes rendered", 4, numRendered);
TreeNode node = (TreeNode)nodeStack.pop();
assertEquals("d", node.getIdentifier());
node = (TreeNode)nodeStack.pop();
assertEquals("C", node.getIdentifier());
node = (TreeNode)nodeStack.pop();
assertEquals("B", node.getIdentifier());
node = (TreeNode)nodeStack.pop();
assertEquals("A", node.getIdentifier());
}
/**
* Tests the option of hiding the root node (with client side toggling option)
* @throws Exception
*/
public void testHideRootNodeClient() throws Exception
{
tree.getAttributes().put(JSFAttr.CLIENT_SIDE_TOGGLE, Boolean.TRUE);
tree.getAttributes().put(JSFAttr.SHOW_ROOT_NODE, Boolean.FALSE);
HtmlTreeRenderer treeRenderer = new HtmlTreeRenderer();
treeRenderer.encodeChildren(facesContext, tree);
// we expect the nodes to come off the stack in the reverse order in which they were added
Stack nodeStack = nodeSim.nodeStack;
int numRendered = nodeStack.size();
assertEquals("Unexpected number of nodes rendered", 11, numRendered);
TreeNode node = (TreeNode)nodeStack.pop();
assertEquals("d", node.getIdentifier());
node = (TreeNode)nodeStack.pop();
assertEquals("C", node.getIdentifier());
node = (TreeNode)nodeStack.pop();
assertEquals("BB", node.getIdentifier());
node = (TreeNode)nodeStack.pop();
assertEquals("BA", node.getIdentifier());
node = (TreeNode)nodeStack.pop();
assertEquals("B", node.getIdentifier());
node = (TreeNode)nodeStack.pop();
assertEquals("acb", node.getIdentifier());
node = (TreeNode)nodeStack.pop();
assertEquals("aca", node.getIdentifier());
node = (TreeNode)nodeStack.pop();
assertEquals("AC", node.getIdentifier());
node = (TreeNode)nodeStack.pop();
assertEquals("AB", node.getIdentifier());
node = (TreeNode)nodeStack.pop();
assertEquals("AA", node.getIdentifier());
node = (TreeNode)nodeStack.pop();
assertEquals("A", node.getIdentifier());
}
public static Test suite()
{
return new TestSuite(HtmlTreeRendererTest.class);
}
/**
* Instead of using UIText or whatever inside the tree we use this special "simulator."
* This way we can keep track of when the renderer is asking the node to render itself.
*/
private static final class NodeSimulator extends UIComponentBase
{
private static final String COMPONENT_FAMILY = "Foo";
private Stack nodeStack = new Stack();
public String getFamily()
{
return COMPONENT_FAMILY;
}
public void encodeBegin(FacesContext context) throws IOException
{
HtmlTree tree = (HtmlTree)super.getParent();
nodeStack.push(tree.getNode());
}
}
}
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