/**
* Copyright 2011 meltmedia
*
* 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.xchain.namespaces.core;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.List;
import javax.xml.namespace.QName;
import org.apache.commons.jxpath.JXPathContext;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.xchain.Catalog;
import org.xchain.Command;
import org.xchain.framework.factory.CatalogFactory;
import org.xchain.framework.lifecycle.Lifecycle;
/**
* @author Devon Tackett
* @author Christian Trimble
*/
public class TestForEachCommand
{
public static final String CATALOG_URI = "resource://context-class-loader/org/xchain/namespaces/core/for-each-command.xchain";
public static final String XCHAIN_NAMESPACE_URI = "http://www.xchain.org/core/1.0";
public static final String TEST_NAMESPACE_URI = "http://www.xchain.org/test";
public static final String TEST_NAMESPACE = "different-name";
public static final QName SELECT_COUNT_COMMAND = new QName(XCHAIN_NAMESPACE_URI, "select-count-test");
public static final QName RELATIVE_PATH = new QName(XCHAIN_NAMESPACE_URI, "relative-path");
public static final QName ROOT_PATH = new QName(XCHAIN_NAMESPACE_URI, "root-path");
public static final String COUNT_VARIABLE = "count";
public static final String VALUE_VARIABLE = "value";
public static final String TEST_LIST = "testList";
private static final int MULTIPLE_ENTRY_COUNT = 99;
protected JXPathContext context = null;
protected Catalog catalog = null;
protected Command command = null;
@BeforeClass public static void setUpLifecycle()
throws Exception
{
Lifecycle.startLifecycle();
}
@AfterClass public static void tearDownLifecycle()
throws Exception
{
Lifecycle.stopLifecycle();
}
@Before public void setUp()
throws Exception
{
Node rootNode = new Node("root");
Node childNode = new Node("child");
rootNode.getChildList().add(childNode);
context = JXPathContext.newContext(rootNode);
// Initialize the count variable to zero.
context.getVariables().declareVariable(COUNT_VARIABLE, 0);
catalog = CatalogFactory.getInstance().getCatalog(CATALOG_URI);
}
@After public void tearDown()
throws Exception
{
context = null;
}
@Test public void testSelectSingle()
throws Exception
{
// Get the command.
Command command = catalog.getCommand(SELECT_COUNT_COMMAND);
// Define the test list with a single entry.
List<Object> testList = new ArrayList<Object>();
testList.add(new Object());
context.getVariables().declareVariable(TEST_LIST, testList);
// execute the command.
command.execute(context);
// Get the count.
int countValue = (Integer)context.getValue("$" + COUNT_VARIABLE, Integer.class);
assertEquals("The count for list with single entry failed.", 1, countValue);
}
@Test public void testSelectMultiple()
throws Exception
{
// Get the command.
Command command = catalog.getCommand(SELECT_COUNT_COMMAND);
// Define the test list with a single entry.
List<Object> testList = new ArrayList<Object>();
// Add count entries.
for (int count = 0; count < MULTIPLE_ENTRY_COUNT; count++)
testList.add(new Object());
context.getVariables().declareVariable(TEST_LIST, testList);
// execute the command.
command.execute(context);
// Get the count.
int countValue = (Integer)context.getValue("$" + COUNT_VARIABLE, Integer.class);
assertEquals("The count for list with " + MULTIPLE_ENTRY_COUNT + " entries failed.", MULTIPLE_ENTRY_COUNT, countValue);
}
@Test public void testSelectEmpty()
throws Exception
{
// Get the command.
Command command = catalog.getCommand(SELECT_COUNT_COMMAND);
// Define the test list with a single entry.
List<Object> testList = new ArrayList<Object>();
context.getVariables().declareVariable(TEST_LIST, testList);
// execute the command.
command.execute(context);
// Get the count.
int countValue = (Integer)context.getValue("$" + COUNT_VARIABLE, Integer.class);
assertEquals("The count for list with no entries failed.", 0, countValue);
}
@Test public void testRelativePath()
throws Exception
{
// Get the command.
Command command = catalog.getCommand(RELATIVE_PATH);
// execute the command.
command.execute(context);
// get the value.
String value = (String)context.getValue("$value", String.class);
// assert that the value is the name of the child.
assertEquals("A relative path did not point to the correct value.", "child", value);
}
@Test public void testRootPath()
throws Exception
{
// Get the command.
Command command = catalog.getCommand(ROOT_PATH);
// execute the command.
command.execute(context);
// get the value.
String value = (String)context.getValue("$value", String.class);
// assert that the value is the name of the child.
assertEquals("A relative path did not point to the correct value.", "root", value);
}
public static class Node
{
protected String name = null;
protected List<Node> childList = new ArrayList<Node>();
public Node( String name ) { this.name = name; }
public String getName() { return this.name; }
public List<Node> getChildList() { return this.childList; }
}
}