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moodle/lib/simpletest/testcsslib.php

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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* This file contains the unittests for the css optimiser in csslib.php
*
* @package moodlecore
* @copyright 2011 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
if (!defined('MOODLE_INTERNAL')) {
die('Direct access to this script is forbidden.'); /// It must be included from a Moodle page
}
require_once($CFG->libdir . '/csslib.php');
class css_optimiser_test extends UnitTestCase {
public function setUp() {
global $CFG;
parent::setUp();
$CFG->cssoptimisestats = false;
$CFG->cssoptimisepretty = false;
}
public function test_process() {
$optimiser = new css_optimiser;
$this->check_background($optimiser);
$this->check_borders($optimiser);
$this->check_colors($optimiser);
$this->check_margins($optimiser);
$this->check_padding($optimiser);
$this->try_invalid_css_handling($optimiser);
$this->try_bulk_processing($optimiser);
return;
$cssin = '.one {background-color:color:red}';
$cssout = '.one{background-color:color:red;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
}
protected function check_background(css_optimiser $optimiser) {
$cssin = '.test {background-color: #123456;}';
$cssout = '.test{background:#123456;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.test {background: #123456 url(\'test.png\') no-repeat top left;}';
$cssout = '.test{background:#123456 url(\'test.png\') no-repeat top left;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.test {background: url(\'test.png\') no-repeat top left;}.test{background-position: bottom right}.test {background-color:#123456;}';
$cssout = '.test{background:#123456 url(\'test.png\') no-repeat bottom right;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.test {background: url( \'test.png\' )}.test{background: bottom right}.test {background:#123456;}';
$cssout = '.test{background:#123456 url(\'test.png\') bottom right;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.test {background-color: #123456;background-repeat: repeat-x; background-position: 100% 0%;}';
$cssout = '.test{background:#123456 repeat-x 100% 0%;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
}
protected function check_borders(css_optimiser $optimiser) {
$cssin = '.test {border: 1px solid #654321} .test {border-color-bottom: #123456}';
$cssout = '.test{border:1px solid;border-color:#654321 #654321 #123456;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {border:1px solid red;}';
$cssout = '.one{border:1px solid #FF0000;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one, .two {border:1px solid red;}';
$cssout = ".one, .two{border:1px solid #FF0000;}";
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {border:1px solid red;} .two {border:1px solid red;}';
$cssout = ".one, .two{border:1px solid #FF0000;}";
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {border:1px solid red;width:20px;} .two {border:1px solid red;height:20px;}';
$cssout = ".one{width:20px;border:1px solid #FF0000;} .two{height:20px;border:1px solid #FF0000;}";
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.test {border: 1px solid #123456;} .test {border-color: #654321}';
$cssout = '.test{border:1px solid #654321;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.test {border-width: 1px; border-style: solid; border-color: #123456;}';
$cssout = '.test{border:1px solid #123456;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.test {border:1px solid #123456;border-top:2px dotted #654321;}';
$cssout = '.test{border:1px solid #123456;border-top:2px dotted #654321;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.test {border:1px solid #123456;border-left:2px dotted #654321;}';
$cssout = '.test{border:1px solid #123456;border-left:2px dotted #654321;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.test {border-left:2px dotted #654321;border:1px solid #123456;}';
$cssout = '.test{border:1px solid #123456;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.test {border:1px solid;border-color-top:#123456;}';
$cssout = '.test{border:1px solid;border-color-top:#123456;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
}
protected function check_colors(css_optimiser $optimiser) {
$css = '.css{}';
$this->assertEqual($css, $optimiser->process($css));
$css = '.css{color:#123456;}';
$this->assertEqual($css, $optimiser->process($css));
$css = '#some{color:#123456;}';
$this->assertEqual($css, $optimiser->process($css));
$css = 'div{color:#123456;}';
$this->assertEqual($css, $optimiser->process($css));
$css = 'div.css{color:#123456;}';
$this->assertEqual($css, $optimiser->process($css));
$css = 'div#some{color:#123456;}';
$this->assertEqual($css, $optimiser->process($css));
$css = 'div[type=blah]{color:#123456;}';
$this->assertEqual($css, $optimiser->process($css));
$css = 'div.css[type=blah]{color:#123456;}';
$this->assertEqual($css, $optimiser->process($css));
$css = 'div#some[type=blah]{color:#123456;}';
$this->assertEqual($css, $optimiser->process($css));
$css = '#some.css[type=blah]{color:#123456;}';
$this->assertEqual($css, $optimiser->process($css));
$css = '#some .css[type=blah]{color:#123456;}';
$this->assertEqual($css, $optimiser->process($css));
$cssin = '.css {width:0}';
$cssout = '.css{width:0;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.css {width:0px}';
$cssout = '.css{width:0;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.css {width:100px}';
$cssout = '.css{width:100px;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {color:red;} .two {color:#F00;}';
$cssout = ".one, .two{color:#F00;}";
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {color:#123;color:#321;}';
$cssout = '.one{color:#321;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {color:#123; color : #321 ;}';
$cssout = '.one{color:#321;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {color:#123;} .one {color:#321;}';
$cssout = '.one{color:#321;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {color:#123 !important;color:#321;}';
$cssout = '.one{color:#123 !important;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {color:#123 !important;} .one {color:#321;}';
$cssout = '.one{color:#123 !important;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {color:rgb(255, 128, 1)}';
$cssout = '.one{color:rgb(255, 128, 1);}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {color:rgba(255, 128, 1, 0.5)}';
$cssout = '.one{color:rgba(255, 128, 1, 0.5);}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {color:hsl(120, 65%, 75%)}';
$cssout = '.one{color:hsl(120, 65%, 75%);}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {color:hsla(120,65%,75%,0.5)}';
$cssout = '.one{color:hsla(120,65%,75%,0.5);}';
$this->assertEqual($cssout, $optimiser->process($cssin));
}
protected function check_margins(css_optimiser $optimiser) {
$cssin = '.one {margin: 1px 2px 3px 4px}';
$cssout = '.one{margin:1px 2px 3px 4px;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {margin-top:1px; margin-left:4px; margin-right:2px; margin-bottom: 3px;}';
$cssout = '.one{margin:1px 2px 3px 4px;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {margin-top:1px; margin-left:4px;}';
$cssout = '.one{margin-top:1px;margin-left:4px;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {margin:1px; margin-left:4px;}';
$cssout = '.one{margin:1px 1px 1px 4px;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {margin:1px; margin-bottom:4px;}';
$cssout = '.one{margin:1px 1px 4px;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one, .two, .one.two, .one .two {margin:0;} .one.two {margin:0 7px;}';
$cssout = '.one, .two, .one .two{margin:0;} .one.two{margin:0 7px;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
}
protected function check_padding(css_optimiser $optimiser) {
$cssin = '.one {margin: 1px 2px 3px 4px}';
$cssout = '.one{margin:1px 2px 3px 4px;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {margin-top:1px; margin-left:4px; margin-right:2px; margin-bottom: 3px;}';
$cssout = '.one{margin:1px 2px 3px 4px;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {margin-top:1px; margin-left:4px;}';
$cssout = '.one{margin-top:1px;margin-left:4px;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {margin:1px; margin-left:4px;}';
$cssout = '.one{margin:1px 1px 1px 4px;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {margin:1px; margin-bottom:4px;}';
$cssout = '.one{margin:1px 1px 4px;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one, .two, .one.two, .one .two {margin:0;} .one.two {margin:0 7px;}';
$cssout = '.one, .two, .one .two{margin:0;} .one.two{margin:0 7px;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
}
protected function try_invalid_css_handling(css_optimiser $optimiser) {
$cssin = array(
'.one{}',
'.one {:}',
'.one {;}',
'.one {;;;;;}',
'.one {:;}',
'.one {:;:;:;:::;;;}',
'.one {!important}',
'.one {:!important}',
'.one {:!important;}',
'.one {;!important}'
);
$cssout = '.one{}';
foreach ($cssin as $css) {
$this->assertEqual($cssout, $optimiser->process($css));
}
$cssin = array(
'.one{background-color:red;}',
'.one {background-color:red;} .one {background-color:}',
'.one {background-color:red;} .one {background-color;}',
'.one {background-color:red;} .one {background-color}',
'.one {background-color:red;} .one {background-color:;}',
'.one {background-color:red;} .one {:blue;}',
'.one {background-color:red;} .one {:#00F}',
);
$cssout = '.one{background-color:#F00;}';
foreach ($cssin as $css) {
$this->assertEqual($cssout, $optimiser->process($css));
}
$cssin = '..one {background-color:color:red}';
$cssout = '..one{background-color:color:red;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '#.one {background-color:color:red}';
$cssout = '#.one{background-color:color:red;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '##one {background-color:color:red}';
$cssout = '##one{background-color:color:red;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {background-color:color:red}';
$cssout = '.one{background-color:color:red;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {background-color:red;color;border-color:blue}';
$cssout = '.one{background-color:#F00;border-color:#00F;}';
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '{background-color:#123456;color:red;}{color:green;}';
$cssout = "{color:#008000;background-color:#123456;}";
$this->assertEqual($cssout, $optimiser->process($cssin));
$cssin = '.one {color:red;} {color:green;} .one {background-color:blue;}';
$cssout = ".one{color:#F00;background-color:#00F;} {color:#008000;}";
$this->assertEqual($cssout, $optimiser->process($cssin));
}
protected function try_bulk_processing(css_optimiser $optimiser) {
global $CFG;
$cssin = <<<CSS
.test .one {
margin:5px;
border:0;
}
.test .one {
margin: 10px;
color: red;
}
.test.one {
margin: 15px;
}
#test .one {margin: 20px;}
#test #one {margin: 25px;}.test #one {margin: 30px;}
.test .one { background-color: #123; }
.test.one{border:1px solid blue}.test.one{border-color:green;}
@media print {
#test .one {margin: 35px;}
}
@media print {
#test .one {margin: 40px;color: #123456;}
#test #one {margin: 45px;}
}
@media print,screen {
#test .one {color: #654321;}
}
#test .one,
#new.style {color:#000;}
CSS;
$cssout = <<<CSS
.test .one{color:#F00;margin:10px;border-width:0;background-color:#123;}
.test.one{margin:15px;border:1px solid #008000;}
#test .one{color:#000;margin:20px;}
#test #one{margin:25px;}
.test #one{margin:30px;}
#new.style{color:#000;}
@media print {
#test .one{color:#123456;margin:40px;}
#test #one{margin:45px;}
}
@media print,screen {
#test .one{color:#654321;}
}
CSS;
$CFG->cssoptimisepretty = 1;
$this->assertEqual($optimiser->process($cssin), $cssout);
}
}
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