src/test/java/org/apache/sling/query/NextPrevTest.java

/*-
 * 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.sling.query;

import static org.apache.sling.query.SlingQuery.$;
import static org.apache.sling.query.TestUtils.assertEmptyIterator;
import static org.apache.sling.query.TestUtils.assertResourceSetEquals;

import org.apache.sling.api.resource.Resource;
import org.junit.Test;

public class NextPrevTest {

    private static final String PAR_PATH = "home/java/labels/jcr:content/par";

    private Resource tree = TestUtils.getTree();

    @Test
    public void testNext() {
        SlingQuery query = $(tree.getChild(PAR_PATH).getChild("configvalue")).next();
        assertResourceSetEquals(query.iterator(), "configvalue_0");
    }

    @Test
    public void testPrev() {
        SlingQuery query = $(tree.getChild(PAR_PATH).getChild("configvalue")).prev();
        assertResourceSetEquals(query.iterator(), "richtext");
    }

    @Test
    public void testNextFiltered() {
        SlingQuery query = $(tree.getChild(PAR_PATH).getChild("configvalue")).next("demo/core/components/configValue");
        assertResourceSetEquals(query.iterator(), "configvalue_0");
    }

    @Test
    public void testPrevFiltered() {
        SlingQuery query = $(tree.getChild(PAR_PATH).getChild("configvalue")).prev("demo/core/components/richtext");
        assertResourceSetEquals(query.iterator(), "richtext");
    }

    @Test
    public void testNextInvalidFiltered() {
        SlingQuery query = $(tree.getChild(PAR_PATH).getChild("configvalue")).next("cq:Undefined");
        assertEmptyIterator(query.iterator());
    }

    @Test
    public void testPrevInvalidFiltered() {
        SlingQuery query = $(tree.getChild(PAR_PATH).getChild("configvalue")).prev("cq:Undefined");
        assertEmptyIterator(query.iterator());
    }

    @Test
    public void testNextOnLast() {
        SlingQuery query = $(tree.getChild(PAR_PATH).getChild("configvalue_2")).next();
        assertEmptyIterator(query.iterator());
    }

    @Test
    public void testPrevOnFirst() {
        SlingQuery query = $(tree.getChild(PAR_PATH).getChild("richtext")).prev();
        assertEmptyIterator(query.iterator());
    }

    @Test
    public void testNextOnRoot() {
        SlingQuery query = $(tree).next();
        assertEmptyIterator(query.iterator());
    }

    @Test
    public void testPrevOnRoot() {
        SlingQuery query = $(tree).prev();
        assertEmptyIterator(query.iterator());
    }
}