/*
 * 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.core.query;

import java.util.Arrays;

import junit.framework.TestCase;

import org.apache.jackrabbit.spi.commons.namespace.NamespaceResolver;
import org.apache.jackrabbit.spi.commons.name.NameConstants;
import org.apache.jackrabbit.spi.commons.query.DefaultQueryNodeFactory;
import org.apache.jackrabbit.spi.commons.query.QueryRootNode;
import org.apache.jackrabbit.spi.commons.query.xpath.XPathQueryBuilder;
import org.apache.jackrabbit.spi.Name;
import org.apache.jackrabbit.spi.commons.conversion.NameResolver;
import org.apache.jackrabbit.spi.commons.conversion.DefaultNamePathResolver;

public class PathQueryNodeTest extends TestCase {

    private static final DefaultQueryNodeFactory QUERY_NODE_FACTORY = new DefaultQueryNodeFactory(
            Arrays.asList(new Name[] { NameConstants.NT_NODETYPE }));

    private static final NameResolver JCR_RESOLVER = new DefaultNamePathResolver(new NamespaceResolver() {

        public String getPrefix(String uri) {
            throw new UnsupportedOperationException();
        }

        public String getURI(String prefix) {
            if (Name.NS_JCR_PREFIX.equals(prefix))
                return Name.NS_JCR_URI;
            if (Name.NS_NT_PREFIX.equals(prefix))
                return Name.NS_NT_URI;
            return "";
        }
    });

    public void testNeedsSystemTree() throws Exception {
        QueryRootNode queryRootNode = XPathQueryBuilder.createQuery("/jcr:root/*", JCR_RESOLVER, QUERY_NODE_FACTORY);
        assertTrue(queryRootNode.needsSystemTree());

        queryRootNode = XPathQueryBuilder.createQuery("/jcr:root/test/*", JCR_RESOLVER, QUERY_NODE_FACTORY);
        assertFalse(queryRootNode.needsSystemTree());

        queryRootNode = XPathQueryBuilder.createQuery("*", JCR_RESOLVER, QUERY_NODE_FACTORY);
        assertTrue(queryRootNode.needsSystemTree());

        queryRootNode = XPathQueryBuilder.createQuery("jcr:system/*", JCR_RESOLVER, QUERY_NODE_FACTORY);
        assertTrue(queryRootNode.needsSystemTree());

        queryRootNode = XPathQueryBuilder.createQuery("test//*", JCR_RESOLVER, QUERY_NODE_FACTORY);
        assertFalse(queryRootNode.needsSystemTree());

        queryRootNode = XPathQueryBuilder.createQuery("//test/*", JCR_RESOLVER, QUERY_NODE_FACTORY);
        assertTrue(queryRootNode.needsSystemTree());
    }

    public void testNeedsSystemTreeForAllNodesByNodeType() throws Exception {
        QueryRootNode queryRootNode = XPathQueryBuilder.createQuery("//element(*, nt:resource)", JCR_RESOLVER, QUERY_NODE_FACTORY);
        assertFalse(queryRootNode.needsSystemTree());

        queryRootNode = XPathQueryBuilder.createQuery("//element(*, nt:resource)[@jcr:test = 'foo']", JCR_RESOLVER, QUERY_NODE_FACTORY);
        assertFalse(queryRootNode.needsSystemTree());

        queryRootNode = XPathQueryBuilder.createQuery("//element(*, nt:nodeType)", JCR_RESOLVER, QUERY_NODE_FACTORY);
        assertTrue(queryRootNode.needsSystemTree());
    }
}