/*
 * 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.struts2.util.location;

import junit.framework.TestCase;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.Locator;
import org.xml.sax.helpers.AttributesImpl;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

public class LocationAttributesTest extends TestCase {

    public LocationAttributesTest(String name) {
        super(name);
    }

    public void testAddLocationAttributes() throws Exception {
        AttributesImpl attrs = new AttributesImpl();
        LocationAttributes.addLocationAttributes(new Locator() {
            public int getColumnNumber() { return 40; }
            public int getLineNumber() { return 1; }
            public String getSystemId() { return "path/to/file.xml"; }
            public String getPublicId() { return "path/to/file.xml"; }
        }, attrs);

        assertTrue("path/to/file.xml".equals(attrs.getValue("loc:src")));
        assertTrue("1".equals(attrs.getValue("loc:line")));
        assertTrue("40".equals(attrs.getValue("loc:column")));
    }

    public void testRecursiveRemove() throws Exception {
        Document doc = getDoc("xml-with-location.xml");

        Element root = doc.getDocumentElement();
        LocationAttributes.remove(root, true);

        assertNull(root.getAttributeNode("loc:line"));
        assertNull(root.getAttributeNode("loc:column"));
        assertNull(root.getAttributeNode("loc:src"));

        Element kid = (Element)doc.getElementsByTagName("bar").item(0);
        assertNull(kid.getAttributeNode("loc:line"));
        assertNull(kid.getAttributeNode("loc:column"));
        assertNull(kid.getAttributeNode("loc:src"));
    }

    public void testNonRecursiveRemove() throws Exception {
        Document doc = getDoc("xml-with-location.xml");

        Element root = doc.getDocumentElement();
        LocationAttributes.remove(root, false);

        assertNull(root.getAttributeNode("loc:line"));
        assertNull(root.getAttributeNode("loc:column"));
        assertNull(root.getAttributeNode("loc:src"));

        Element kid = (Element)doc.getElementsByTagName("bar").item(0);
        assertNotNull(kid.getAttributeNode("loc:line"));
        assertNotNull(kid.getAttributeNode("loc:column"));
        assertNotNull(kid.getAttributeNode("loc:src"));
    }

    private Document getDoc(String path) throws Exception {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setNamespaceAware(true);
        DocumentBuilder builder = factory.newDocumentBuilder();
        return builder.parse(LocationAttributesTest.class.getResourceAsStream(path));


    }
}
