/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.jackrabbit.spi.commons.query.xpath;
import java.util.Collections;
import javax.jcr.query.Query;
import org.apache.jackrabbit.spi.commons.conversion.NameResolver;
import org.apache.jackrabbit.spi.commons.conversion.DefaultNamePathResolver;
import org.apache.jackrabbit.spi.commons.conversion.DummyNamespaceResolver;
import org.apache.jackrabbit.spi.commons.query.QueryNodeFactory;
import org.apache.jackrabbit.spi.commons.query.DefaultQueryNodeFactory;
import org.apache.jackrabbit.spi.commons.query.QueryRootNode;
import org.apache.jackrabbit.spi.commons.query.QueryParser;
import org.apache.jackrabbit.spi.commons.query.OrderQueryNode;
import org.apache.jackrabbit.spi.Name;
import org.apache.jackrabbit.spi.Path;
import junit.framework.TestCase;
/**
* <code>XPathOrderByTest</code> performs various tests related to parsing an
* XPath statement with order by.
*/
public class XPathOrderByTest extends TestCase {
private static final NameResolver RESOLVER = new DefaultNamePathResolver(
new DummyNamespaceResolver());
private static final QueryNodeFactory FACTORY = new DefaultQueryNodeFactory(Collections.EMPTY_LIST);
public void testSimpleOrderBy() throws Exception {
String stmt = "//* order by @bar";
QueryRootNode root = QueryParser.parse(stmt, Query.XPATH, RESOLVER, FACTORY);
OrderQueryNode.OrderSpec[] specs = root.getOrderNode().getOrderSpecs();
assertEquals(1, specs.length);
assertTrue(specs[0].isAscending());
checkName(Name.NS_DEFAULT_URI, "bar", specs[0].getProperty());
Path propPath = specs[0].getPropertyPath();
assertEquals(1, propPath.getLength());
checkName(Name.NS_DEFAULT_URI, "bar", propPath.getName());
}
public void testAscending() throws Exception {
String stmt = "//* order by @bar ascending";
QueryRootNode root = QueryParser.parse(stmt, Query.XPATH, RESOLVER, FACTORY);
OrderQueryNode.OrderSpec[] specs = root.getOrderNode().getOrderSpecs();
assertEquals(1, specs.length);
assertTrue(specs[0].isAscending());
}
public void testDescending() throws Exception {
String stmt = "//* order by @bar descending";
QueryRootNode root = QueryParser.parse(stmt, Query.XPATH, RESOLVER, FACTORY);
OrderQueryNode.OrderSpec[] specs = root.getOrderNode().getOrderSpecs();
assertEquals(1, specs.length);
assertFalse(specs[0].isAscending());
}
public void testChildAxis() throws Exception {
String stmt = "//* order by foo_x0020_bar/@bar";
QueryRootNode root = QueryParser.parse(stmt, Query.XPATH, RESOLVER, FACTORY);
assertEquals(1, root.getOrderNode().getOrderSpecs().length);
OrderQueryNode.OrderSpec[] specs = root.getOrderNode().getOrderSpecs();
assertEquals(1, specs.length);
assertTrue(specs[0].isAscending());
checkName(Name.NS_DEFAULT_URI, "bar", specs[0].getProperty());
Path propPath = specs[0].getPropertyPath();
Path.Element[] elements = propPath.getElements();
assertEquals(2, elements.length);
checkName(Name.NS_DEFAULT_URI, "foo bar", elements[0].getName());
checkName(Name.NS_DEFAULT_URI, "bar", elements[1].getName());
}
public void testRoundTrip() throws Exception {
String stmt = "//* order by foo_x0020_bar/@bar";
QueryRootNode root = QueryParser.parse(stmt, Query.XPATH, RESOLVER, FACTORY);
assertEquals(stmt, QueryFormat.toString(root, RESOLVER));
}
private void checkName(String uri, String localName, Name name) {
assertEquals(uri, name.getNamespaceURI());
assertEquals(localName, name.getLocalName());
}
}