<?php
// (c) Copyright 2002-2012 by authors of the Tiki Wiki CMS Groupware Project
// 
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id: EditLibTest.php 39469 2012-01-12 21:13:48Z changi67 $

/**
 * @group unit
 *
 */


class EditLibTest extends TikiTestCase
{
	private $el = null; // the EditLib
	private $dir = '';  // the unmodifed directory

	function __construct()
	{
		$this->dir = getcwd();
	}


	function setUp()
	{
		$this->el = new EditLib();
		chdir($this->dir);
		chdir('../../'); // the tiki installation directory
	}


	function tearDown()
	{
		chdir($this->dir);
	}


	function testParseColor()
	{
		$el = new EditLib();

		$col = 'rgb(255 , 0 , 0)'; 
		$hex = $el->parseColor($col);
		$this->assertEquals('#FF0000', $hex);

		$col = 'rgb(255,0,0)';
		$hex = $el->parseColor($col);
		$this->assertEquals('#FF0000', $hex);

		$col = 'rgb(0, 255,0)';
		$hex = $el->parseColor($col);
		$this->assertEquals('#00FF00', $hex);

		$col = 'rgb(0,0,255)';
		$hex = $el->parseColor($col);
		$this->assertEquals('#0000FF', $hex);

		$col = '#FF0000';
		$hex = $el->parseColor($col);
		$this->assertEquals('#FF0000', $hex);
	}


	function testParseStyleAttribute()
	{
		$el = new EditLib();

		/*
		 * empty style -> empty array
		 */
		$style = '';
		$parsed = array();
		$el->parseStyleAttribute($style, $parsed);
		$this->assertEquals(0, count($parsed));


		/*
		 * delimiters only -> empty array
		 */
		$style = ' ; ; ';
		$parsed = array();
		$el->parseStyleAttribute($style, $parsed);
		$this->assertEquals(0, count($parsed));


		/*
		 * examples, no shortand lists
		 */
		$style = 'unknown-list:rgb(1,2,3) url(background.gif);unknown-size:12;';
		$parsed = array();
		$el->parseStyleAttribute($style, $parsed);
		$this->assertEquals(2, count($parsed));
		$this->assertTrue(isset($parsed['unknown-list']));
		$this->assertEquals('rgb(1,2,3) url(background.gif)', $parsed['unknown-list']);
		$this->assertTrue(isset($parsed['unknown-size']));
		$this->assertEquals(12, $parsed['unknown-size']);

		$style = 'unknown-list:rgb(1,2,3) url(background.gif);unknown-size:12';
		$parsed = array();
		$el->parseStyleAttribute($style, $parsed);
		$this->assertEquals(2, count($parsed));
		$this->assertTrue(isset($parsed['unknown-list']));
		$this->assertEquals('rgb(1,2,3) url(background.gif)', $parsed['unknown-list']);
		$this->assertTrue(isset($parsed['unknown-size']));
		$this->assertEquals(12, $parsed['unknown-size']);

		$style = ' unknown-list : rgb( 1 , 2 , 3 ) url( background.gif )   ;   unknown-size: 12 ; ';
		$parsed = array();
		$el->parseStyleAttribute($style, $parsed);
		$this->assertEquals(2, count($parsed));
		$this->assertTrue(isset($parsed['unknown-list']));
		$this->assertEquals('rgb( 1 , 2 , 3 ) url( background.gif )', $parsed['unknown-list']);
		$this->assertTrue(isset($parsed['unknown-size']));
		$this->assertEquals(12, $parsed['unknown-size']);	


		/*
		 * examples with shorthand list 'background'
		 */
		$style = 'background-color:#FF0000';
		$parsed = array();
		$el->parseStyleAttribute($style, $parsed);
		$this->assertEquals(1, count($parsed));
		$this->assertTrue(isset($parsed['background-color']));
		$this->assertEquals('#FF0000', $parsed['background-color']);

		$style = 'background:#FF0000';
		$parsed = array();
		$el->parseStyleAttribute($style, $parsed);
		$this->assertEquals(1, count($parsed));
		$this->assertTrue(isset($parsed['background-color']));
		$this->assertEquals('#FF0000', $parsed['background-color']);

		$style = 'background:rgb(0, 0, 0);';
		$parsed = array();
		$el->parseStyleAttribute($style, $parsed);
		$this->assertEquals(1, count($parsed));
		$this->assertTrue(isset($parsed['background-color']));
		$this->assertEquals('rgb(0, 0, 0)', $parsed['background-color']);

		$style = 'background: rgb(0, 255, 0); background-color:rgb(255, 0, 0);';		
		$parsed = array();
		$el->parseStyleAttribute($style, $parsed);
		$this->assertEquals(1, count($parsed));
		$this->assertTrue(isset($parsed['background-color']));
		$this->assertEquals('rgb(255, 0, 0)', $parsed['background-color']);				

		$style = 'background-color:rgb(255, 0, 0); background: rgb(0, 255, 0);';		
		$parsed = array();
		$el->parseStyleAttribute($style, $parsed);
		$this->assertEquals(1, count($parsed));
		$this->assertTrue(isset($parsed['background-color']));
		$this->assertEquals('rgb(0, 255, 0)', $parsed['background-color']);		

		$style = 'background-color:rgb(255, 0, 0); background: rgb(0, 255, 0) #0000FF;';
		$parsed = array();
		$el->parseStyleAttribute($style, $parsed);
		$this->assertEquals(1, count($parsed));
		$this->assertTrue(isset($parsed['background-color']));
		$this->assertEquals('#0000FF', $parsed['background-color']);				

		$style = 'background-color:rgb(255, 0, 0); background: rgb(0, 255, 0) unknown1 #0000FF unknown2;';
		$parsed = array();
		$el->parseStyleAttribute($style, $parsed);
		$this->assertEquals(2, count($parsed));
		$this->assertTrue(isset($parsed['background-color']));
		$this->assertEquals('#0000FF', $parsed['background-color']);				
		$this->assertTrue(isset($parsed['background']));
		$this->assertEquals('unknown1 unknown2', $parsed['background']);				
	}


	function testParseStyleList()
	{
		$el = new EditLib();

		/*
		 * empty
		 */
		$list = '';
		$parsed = array();
		$el->parseStyleList($list, $parsed);
		$this->assertEquals(0, count($parsed));


		/*
		 * mixed examples
		 */
		$list = 'rgb(0, 255, 0) #0000FF';
		$parsed = array();
		$el->parseStyleList($list, $parsed);
		$this->assertEquals(2, count($parsed));
		$this->assertEquals('rgb(0, 255, 0)', $parsed[0]);
		$this->assertEquals('#0000FF', $parsed[1]);

		$list = 'rgb( 1 , 2 , 3 )   20px    url( background-example.gif )';
		$parsed = array();
		$el->parseStyleList($list, $parsed);
		$this->assertEquals(3, count($parsed));
		$this->assertEquals('rgb( 1 , 2 , 3 )', $parsed[0]);
		$this->assertEquals('20px', $parsed[1]);
		$this->assertEquals('url( background-example.gif )', $parsed[2]);
	}


	function testParseToWikiSpaces()
	{
		/*
		 * The EditLib eats spaces after the tags
		 */
		$inData = 'abc <b> bold </b> def';
		$res = $this->el->parseToWiki($inData);
		$this->assertEquals('abc __ bold __ def', $res);
	}


	/**
	 * Nested color specifications
	 * 
	 * In HTML, color specifications can be nested.
	 * In Wiki, the colors specifications cannot be nested.
	 * Hence some reordering is required.
	 */
	function testParseToWikiNestedColors()
	{
		/*
		 * <span><span>text</span></span>
		 */
		$inData = '<span style="color: rgb(255, 0, 0);">';
		$inData .= '<span style="background-color: rgb(255, 255, 0);">';
		$inData .= 'fg and bg colored';
		$inData .= '</span></span>';
		$res = $this->el->parseToWiki($inData);
		$ex = '~~#FF0000:~~ ,#FFFF00:fg and bg colored~~~~';
		$this->assertEquals($ex, $res);


		/*
		 * <span>text<span>text</span>text</span>text
		 */
		$inData = '<span style="color: rgb(255, 0, 0);">';
		$inData .= 'fg colored ';
		$inData .= '<span style="background-color: rgb(255, 255, 0);">';
		$inData .= 'both colored ';
		$inData .= '</span>';
		$inData .= 'fg colored ';
		$inData .= '</span>';
		$inData .= 'regular';
		$res = $this->el->parseToWiki($inData);
		$ex = '~~#FF0000:fg colored ~~ ,#FFFF00:both colored ~~fg colored ~~regular';
		$this->assertEquals($ex, $res);

		$inData = '<span style="background-color: rgb(255, 0, 0);">';
		$inData .= 'bg colored ';
		$inData .= '<span style="color: rgb(255, 255, 0);">';
		$inData .= 'both colored ';
		$inData .= '</span>';
		$inData .= 'bg colored ';
		$inData .= '</span>';
		$inData .= 'regular';
		$res = $this->el->parseToWiki($inData);
		$ex = '~~ ,#FF0000:bg colored ~~#FFFF00:both colored ~~bg colored ~~regular';
		$this->assertEquals($ex, $res);
	}

	/**
	 * Nested colors with wiki inline
	 */
	function testParseToWikiNestedColorsWithWikiInline()
	{

		$inData =  '<span style="color: rgb(255, 0, 0);">';
		$inData .= 'red ';
		$inData .= '<strong>';
		$inData .= 'bold ';
		$inData .= '<span style="background-color: rgb(255, 255, 0);">';
		$inData .= 'yellow ';
		$inData .= '</span>';
		$inData .= 'bold ';
		$inData .= '</strong>';
		$inData .= 'red';
		$inData .= '</span>';
		$ex = '~~#FF0000:red __bold ~~ ,#FFFF00:yellow ~~bold __red~~';
		$res = $this->el->parseToWiki($inData);
		$this->assertEquals($ex, $res);
	}

	/**
	 * Nested wiki inline tags
	 * 
	 * This test verifies that the tags are written in the correct
	 * order to the output stream.
	 */
	function testParseToWikiNestedInline()
	{

		$ex = '__bold\'\'bold italic\'\'__\n__\'\'bold italic\'\'__';
		$inData = '<strong>bold<em>bold italic<br />bold italic</em></strong>';
		$res = $this->el->parseToWiki($inData);
		$res = preg_replace('/\n/', '\n', $res); // fix LF encoding for comparison
		$this->assertEquals($ex, $res);

		$ex = '__bold\'\'bold italic\'\'__\n__bold__';
		$inData = '<strong>bold<em>bold italic</em><br />bold</strong>';
		$res = $this->el->parseToWiki($inData);
		$res = preg_replace('/\n/', '\n', $res); // fix LF encoding for comparison
		$this->assertEquals($ex, $res);	

		$ex = '__\'\'bold italic\'\'__\n__\'\'BOLD ITALIC\'\'__';
		$inData = '<span style="font-weight:bold;font-style:italic">bold italic<br />BOLD ITALIC</span>';
		$res = $this->el->parseToWiki($inData);
		$res = preg_replace('/\n/', '\n', $res); // fix LF encoding for comparison
		$this->assertEquals($ex, $res);	
	}


	function testSpanNestedDecorations()
	{
		$this->markTestIncomplete('Work in progress.');
		$ex = '--===text===--';
		$inData = '<span style="text-decoration:line-through underline;">text</span>';
		$res = $this->el->parseToWiki($inData);
		$this->assertEquals($ex, $res);	
	}
}
