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package org.custommonkey.xmlunit.examples;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

import junit.framework.TestCase;
import junit.framework.TestSuite; 

import org.custommonkey.xmlunit.Diff;
import org.custommonkey.xmlunit.ElementNameAndTextQualifier;
import org.custommonkey.xmlunit.ElementQualifier;
import org.custommonkey.xmlunit.XMLUnit;

/**
 * JUnit testcase for MultiLevelElementNameAndTextQualifier
 * @see org.custommonkey.xmlunit.test_Diff#testRepeatedElementNamesWithTextQualification()
 */
public class test_MultiLevelElementNameAndTextQualifier extends TestCase {
    private static final String TAG_NAME = "tagYoureIt";
    private static final String TAG_NAME2 = "tagYoureIt2";
    private static final String TEXT_A = "textA";
    private static final String TEXT_B = "textB";
    private Document document;
        
    // copy of ElementNameAndTextQualifier test
    public void testSingleTextValue() throws Exception {
        ElementQualifier qualifier =
            new MultiLevelElementNameAndTextQualifier(1);

        Element control = document.createElement(TAG_NAME);
        control.appendChild(document.createTextNode(TEXT_A));

        Element test = document.createElement(TAG_NAME);
                
        assertFalse("control text not comparable to empty text", 
                    qualifier.qualifyForComparison(control, test));
                
        test.appendChild(document.createTextNode(TEXT_A));              
        assertTrue("control textA comparable to test textA",
                   qualifier.qualifyForComparison(control, test));
                                        
        test = document.createElement(TAG_NAME);

        test.appendChild(document.createTextNode(TEXT_B));
        assertFalse("control textA not comparable to test textB",
                    qualifier.qualifyForComparison(control, test));
    }
        
    // copy of ElementNameAndTextQualifier test
    public void testMultipleTextValues() throws Exception {
        ElementQualifier qualifier =
            new MultiLevelElementNameAndTextQualifier(1);

        Element control = document.createElement(TAG_NAME);
        control.appendChild(document.createTextNode(TEXT_A));
        control.appendChild(document.createTextNode(TEXT_B));

        Element test = document.createElement(TAG_NAME);
        test.appendChild(document.createTextNode(TEXT_A + TEXT_B));
        assertTrue("denormalised control text comparable to normalised test text",
                   qualifier.qualifyForComparison(control, test));
    }

    // three levels
    public void testThreeLevels() throws Exception {
        ElementQualifier qualifier =
            new MultiLevelElementNameAndTextQualifier(3);

        Element control = document.createElement(TAG_NAME);
        Element child = document.createElement(TAG_NAME2);
        control.appendChild(child);
        Element child2 = document.createElement(TAG_NAME);
        child.appendChild(child2);
        child2.appendChild(document.createTextNode(TEXT_B));

        Element test = document.createElement(TAG_NAME);
        child = document.createElement(TAG_NAME2);
        test.appendChild(child);
        child2 = document.createElement(TAG_NAME);
        child.appendChild(child2);
        child2.appendChild(document.createTextNode(TEXT_B));

        assertTrue(qualifier.qualifyForComparison(control, test));
    }
        
    /**
     * @see <a href="https://sourceforge.net/forum/forum.php?thread_id=1440169&forum_id=73274"/>
     */
    public void testThread1440169() throws Exception {
        String s1 = "<a><b><c>foo</c></b><b><c>bar</c></b></a>";
        String s2 = "<a><b><c>bar</c></b><b><c>foo</c></b></a>";
        Diff d = new Diff(s1, s2);
        assertFalse(d.similar());

        // reset
        d = new Diff(s1, s2);
        d.overrideElementQualifier(new ElementNameAndTextQualifier());
        assertFalse(d.similar());

        // reset once again
        d = new Diff(s1, s2);
        d.overrideElementQualifier(new MultiLevelElementNameAndTextQualifier(2));
        assertTrue(d.similar());

    }

    public void testUserGuideExample() throws Exception {
        String control =
            "<table>\n"
            + "  <tr>\n"
            + "    <td>foo</td>\n"
            + "  </tr>\n"
            + "  <tr>\n"
            + "    <td>bar</td>\n"
            + "  </tr>\n"
            + "</table>\n";
        String test =
            "<table>\n"
            + "  <tr>\n"
            + "    <td>bar</td>\n"
            + "  </tr>\n"
            + "  <tr>\n"
            + "    <td>foo</td>\n"
            + "  </tr>\n"
            + "</table>\n";

        Diff d = new Diff(control, test);
        d.overrideElementQualifier(new MultiLevelElementNameAndTextQualifier(2));
        assertFalse(d.toString(), d.similar());
        
        try {
            XMLUnit.setIgnoreWhitespace(true);
            d = new Diff(control, test);
            d.overrideElementQualifier(new MultiLevelElementNameAndTextQualifier(2));
            assertTrue(d.toString(), d.similar());
        } finally {
            XMLUnit.setIgnoreWhitespace(false);
        }

        d = new Diff(control, test);
        d.overrideElementQualifier(new MultiLevelElementNameAndTextQualifier(2,
                                                                             true));
        assertTrue(d.toString(), d.similar());
    }

    public void setUp() throws Exception {
        document = XMLUnit.newControlParser().newDocument();
    }

}
