/*
 * [TestURL2.java]
 *
 * Summary: Test the two-parameter URL constructor, and the equivalent URI.resolve.
 *
 * Copyright: (c) 2010-2017 Roedy Green, Canadian Mind Products, http://mindprod.com
 *
 * Licence: This software may be copied and used freely for any purpose but military.
 *          http://mindprod.com/contact/nonmil.html
 *
 * Requires: JDK 1.8+
 *
 * Created with: JetBrains IntelliJ IDEA IDE http://www.jetbrains.com/idea/
 *
 * Version History:
 *  1.0 2010-12-30 initial version
 */
package com.mindprod.test;

import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;

import static java.lang.System.*;

/**
 * Test the two-parameter URL constructor, and the equivalent URI.resolve.
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 1.0 2010-12-30 initial version
 * @since 2010-12-30
 */
public final class TestURL2
    {
    /**
     * test the URL constructor with two parms, and the equivalent URI.resolve.
     *
     * @param originalURLString original context URL
     * @param location          partial URL to override the original
     * @param expectedURLString What we expect the merged result to be.
     * @param notes             notes
     */
    private static void test( final String originalURLString,
                              final String location,
                              final String expectedURLString,
                              final String notes )
        {
        testURL( originalURLString, location, expectedURLString, notes );
        testURI( originalURLString, location, expectedURLString, notes );
        }

    /**
     * test  URI.resolve.
     *
     * @param originalURIString original context URL
     * @param location          partial URL to override the original
     * @param expectedURIString What we expect the merged result to be.
     * @param notes             notes
     */
    private static void testURI( final String originalURIString,
                                 final String location,
                                 final String expectedURIString,
                                 final String notes )
        {
        out.println( "\n>>>testing URI.resolve: ["
                     + originalURIString
                     + "] ["
                     + location
                     + "] " + notes );
        final URI originalURI;
        try
            {
            originalURI = new URI( originalURIString );
            }
        catch ( URISyntaxException e )
            {
            out.println( "   original URI failed with URISyntaxException" );
            return;
            }
        final URI mergedURI = originalURI.resolve( location );
        final String mergedURIString = mergedURI.toString();
        if ( mergedURIString.equals( expectedURIString ) )
            {
            out.println( "   OK: [" + mergedURIString + "]" );
            }
        else
            {
            out.println( "   unexpected resolved URI: ["
                         + mergedURIString
                         + "] expected URI: ["
                         + expectedURIString
                         + "]" );
            }
        }

    /**
     * testURL the URL constructor with two parms.
     *
     * @param originalURLString original context URL
     * @param location          partial URL to override the original
     * @param expectedURLString What we expect the merged result to be.
     * @param notes             notes
     */
    private static void testURL( final String originalURLString,
                                 final String location,
                                 final String expectedURLString,
                                 final String notes )
        {
        out.println( "\n>>>testing URL constructor: ["
                     + originalURLString
                     + "] ["
                     + location
                     + "] "
                     + notes );
        final URL originalURL;
        try
            {
            originalURL = new URL( originalURLString );
            }
        catch ( MalformedURLException e )
            {
            out.println( "   original URL failed with MalformedURLException" );
            return;
            }
        final URL resolvedURL;
        try
            {
            resolvedURL = new URL( originalURL, location );
            }
        catch ( MalformedURLException e )
            {
            out.println( "   resolve failed with MalformedURLException" );
            return;
            }
        final String resolvedURLString = resolvedURL.toString();
        if ( resolvedURLString.equals( expectedURLString ) )
            {
            out.println( "   OK: [" + resolvedURLString + "]" );
            }
        else
            {
            out.println( "   unexpected resolved URL: ["
                         + resolvedURLString
                         + "] expected URL: ["
                         + expectedURLString
                         + "]" );
            }
        }

    /**
     * Test the URL constructor and URI resolve to see if it produces expected results.
     *
     * @param args not used
     */
    public static void main( final String[] args )
        {
        test( "http://www.softwareforwindows.com/submit.asp",
                "",
                "http://www.softwareforwindows.com/submit.asp",
                "empty override" );
        test( "http://mindprod.com/jgloss.html",
                "/jgloss/jgloss.html",
                "http://mindprod.com/jgloss/jgloss.html",
                "common redirect pattern" );
        test( "http://mindprod.com/",
                "/index.html",
                "http://mindprod.com/index.html",
                "common redirect pattern" );
        test( "http://new.myfonts.com/fonts/linotype/frutiger/",
                "/fonts/adobe/frutiger/",
                "http://new.myfonts.com/fonts/adobe/frutiger/",
                "real world redirect pattern, trailing slashes" );
        test( "http://new.myfonts.com/search?search%5Btext%5D=britannic",
                "/search/britannic/",
                "http://new.myfonts.com/search/britannic/",
                "real world redirect pattern, has query with %" );
        test( "http://new.myfonts.com/search?search%5Btext%5D=century+old+style",
                "/search/century+old+style/",
                "http://new.myfonts.com/search/century+old+style/",
                "real world redirect pattern, has query with +" );
        test( "http://www.allposters.com/-sp/Earth-by-Day-Posters_i357956_.htm?aid=1025105019",
                "/-st/World-Maps-Posters_c13013_.htm",
                "http://www.allposters.com/-st/World-Maps-Posters_c13013_.htm",
                "real world redirect pattern, has - and _" );
        }
    }