minify/tests/MinifyYuiCSSTest.php

<?php

namespace Minify\Test;

use Exception;
use Minify_YUICompressor;

class MinifyYuiCSSTest extends TestCase
{
    public static function setupBeforeClass()
    {
        parent::setupBeforeClass();

        // To test more functionality, download a yuicompressor.jar from
        // https://github.com/yui/yuicompressor/releases
        // put it under tests dir as 'yuicompressor.jar'
        Minify_YUICompressor::$jarFile = __DIR__ . DIRECTORY_SEPARATOR . 'yuicompressor.jar';
        Minify_YUICompressor::$tempDir = sys_get_temp_dir();
    }

    public function setUp()
    {
        $this->assertHasJar();
    }

    public function test1()
    {
        $src = "/* stack overflow test */
    div.image {
      width:            100px;
      height:           100px;
      background-image: url('data:image/png;base64,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');
    }
    ";
        $minExpected = "div.image{width:100px;height:100px;background-image:url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAALCAYAAABGbhwYAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAyRpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuMy1jMDExIDY2LjE0NTY2MSwgMjAxMi8wMi8wNi0xNDo1NjoyNyAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczp4bXBNTT0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL21tLyIgeG1sbnM6c3RSZWY9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9zVHlwZS9SZXNvdXJjZVJlZiMiIHhtcDpDcmVhdG9yVG9vbD0iQWRvYmUgUGhvdG9zaG9wIENTNiAoTWFjaW50b3NoKSIgeG1wTU06SW5zdGFuY2VJRD0ieG1wLmlpZDo1RDg4RDYwQzU2N0ExMUUyOUNCMEY5NzdDNzlGNzg3MSIgeG1wTU06RG9jdW1lbnRJRD0ieG1wLmRpZDo1RDg4RDYwRDU2N0ExMUUyOUNCMEY5NzdDNzlGNzg3MSI+IDx4bXBNTTpEZXJpdmVkRnJvbSBzdFJlZjppbnN0YW5jZUlEPSJ4bXAuaWlkOkM0RjRBMkZGNTY3NzExRTI5Q0IwRjk3N0M3OUY3ODcxIiBzdFJlZjpkb2N1bWVudElEPSJ4bXAuZGlkOkM0RjRBMzAwNTY3NzExRTI5Q0IwRjk3N0M3OUY3ODcxIi8+IDwvcmRmOkRlc2NyaXB0aW9uPiA8L3JkZjpSREY+IDwveDp4bXBtZXRhPiA8P3hwYWNrZXQgZW5kPSJyIj8+2Di36AAAALBJREFUeNpi+P//PwMQ60NpdMwIxAYgNogTBsQHgNgGi0IVIN4CxH4whSDwAk2xLBCvh8odhgmuRlNsCMSboWLHgDgE2Zp5SIrXQNlXgNgI5kZkh9+AKvgGpZWAmAUkz8SAADxAfAfK5oTS7ED8B8yCmqYOxOuA+AcQXwDiJVATn8I8CFIUCA0CmMNNoZqXILnZHiQQjeRwU7RwhCk+xAB17A4gdgFiNiyBDlKcBBBgAG/qVav+VuC1AAAAAElFTkSuQmCC')}";

        // fails with java.lang.StackOverflowError as of Yui 2.4.6
        // unfortunately error output is not caught from yui, so have to guess
        $e = null;
        try {
            Minify_YUICompressor::minifyCss($src);
            // if reached here, then Correctly handles input which caused stack overflow in 2.4.6
        } catch (Exception $e) {
            $this->assertEquals('YUI compressor execution failed.', $e->getMessage());
        }

        $options = array(
            'stack-size' => '2m',
        );
        $minOutput = Minify_YUICompressor::minifyCss($src, $options);
        $this->assertEquals($minExpected, $minOutput);
    }

    protected function assertHasJar()
    {
        $this->assertNotEmpty(Minify_YUICompressor::$jarFile);
        try {
            $this->assertFileExists(Minify_YUICompressor::$jarFile, "Have YUI yuicompressor.jar");
        } catch (Exception $e) {
            $this->markTestSkipped($e->getMessage());
        }
    }
}