/*   Copyright 2004 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 xmlobject.checkin;

import org.apache.xmlbeans.XmlCursor;
import org.apache.xmlbeans.XmlException;
import org.apache.xmlbeans.XmlObject;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

public class XPathTest {
    @Test
    void testPath() throws XmlException {
        final XmlObject obj = XmlObject.Factory.parse(
            "<a>" +
                "<b>" +
                "<c>val1</c>" +
                "<d><c>val2</c></d>" +
                "</b>" +
                "<c>val3</c>" +
                "</a>");
        try (XmlCursor c = obj.newCursor()) {
            c.selectPath(".//b/c");

            int selCount = c.getSelectionCount();
            assertEquals(1, selCount, "SelectionCount");

            while (c.hasNextSelection()) {
                c.toNextSelection();

                assertTrue(c.isStart(), "OnStartElement");
                assertEquals("val1", c.getTextValue(), "TextValue");
            }
        }
    }

    @Test
    void testPath2() throws XmlException {
        final XmlObject obj = XmlObject.Factory.parse(
            "<a>" +
                "<b>" +
                "<c>val1</c>" +
                "<d>" +
                "<c>val2</c>" +
                "<b><c>val3</c></b>" +
                "</d>" +
                "</b>" +
                "<c>val4</c>" +
                "</a>");
        try (XmlCursor c = obj.newCursor()) {
            c.selectPath(".//b/c");

            int selCount = c.getSelectionCount();
            assertEquals(2, selCount, "SelectionCount");

            assertTrue(c.hasNextSelection(), "hasNextSelection");
            c.toNextSelection();

            assertTrue(c.isStart(), "OnStartElement");
            assertEquals("val1", c.getTextValue(), "TextValue");


            assertTrue(c.hasNextSelection(), "hasNextSelection2");
            c.toNextSelection();

            assertTrue(c.isStart(), "OnStartElement2");
            assertEquals("val3", c.getTextValue(), "TextValue2");
        }
    }

    @Test
    void testPath3() throws XmlException {
        final XmlObject obj = XmlObject.Factory.parse(
            "<a>" +
                "<b>" +
                "<c>val1</c>" +
                "<d>" +
                "<c>val2</c>" +
                "<b>" +
                "<c>val3" +
                "<c>val5</c>" +
                "</c>" +
                "</b>" +
                "</d>" +
                "</b>" +
                "<c>val4</c>" +
                "</a>");

        try (XmlCursor c = obj.newCursor()) {
            c.selectPath(".//b/c//c");

            int selCount = c.getSelectionCount();
            assertEquals(1, selCount, "SelectionCount");

            while (c.hasNextSelection()) {
                c.toNextSelection();

                System.out.println(" -> " + c.getObject());
                assertTrue(c.isStart(), "OnStartElement");
                assertEquals("val5", c.getTextValue(), "TextValue");
            }
        }
    }
}