.
/**
* Tests our HTMLPurifier hacks
*
* @package core
* @subpackage lib
* @copyright 2010 Petr Skoda {@link http://skodak.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
class htmlpurifier_test extends UnitTestCase {
public static $includecoverage = array('lib/htmlpurifier/HTMLPurifier.php');
private $cachetext = null;
function setUp() {
global $CFG;
$this->cachetext = $CFG->cachetext;
$CFG->cachetext = 0;
}
function tearDown() {
global $CFG;
$CFG->cachetext = $this->cachetext;
}
/**
* Verify _blank target is allowed
* @return void
*/
public function test_allow_blank_target() {
$text = 'Some link ';
$result = format_text($text, FORMAT_HTML);
$this->assertIdentical($text, $result);
$result = format_text('Some link ', FORMAT_HTML);
$this->assertIdentical('Some link ', $result);
}
/**
* Verify our nolink tag accepted
* @return void
*/
public function test_nolink() {
// we can not use format text because nolink changes result
$text = 'no filters
';
$result = purify_html($text, array());
$this->assertIdentical($text, $result);
$text = 'xxxxx xxx
';
$result = purify_html($text, array());
$this->assertIdentical($text, $result);
}
/**
* Verify our tex tag accepted
* @return void
*/
public function test_tex() {
$text = 'a+b=c ';
$result = purify_html($text, array());
$this->assertIdentical($text, $result);
}
/**
* Verify our algebra tag accepted
* @return void
*/
public function test_algebra() {
$text = 'a+b=c ';
$result = purify_html($text, array());
$this->assertIdentical($text, $result);
}
/**
* Verify our hacky multilang works
* @return void
*/
public function test_multilang() {
$text = 'hmmm hm ';
$result = purify_html($text, array());
$this->assertIdentical($text, $result);
$text = 'hmmm hm ';
$result = purify_html($text, array());
$this->assertIdentical($text, $result);
$text = 'hmmm ';
$result = purify_html($text, array());
$this->assertNotIdentical($text, $result);
// keep standard lang tags
$text = 'asas ';
$result = purify_html($text, array());
$this->assertIdentical($text, $result);
$text = 'xxxxxx ';
$result = purify_html($text, array());
$this->assertIdentical($text, $result);
}
/**
* Tests the 'allowid' option for format_text.
*/
public function test_format_text_allowid() {
// Start off by not allowing ids (default)
$options = array(
'nocache' => true
);
$result = format_text('
Frog
', FORMAT_HTML, $options);
$this->assertIdentical('Frog
', $result);
// Now allow ids
$options['allowid'] = true;
$result = format_text('Frog
', FORMAT_HTML, $options);
$this->assertIdentical('Frog
', $result);
}
/**
* Test if linebreaks kept unchanged.
*/
function test_line_breaking() {
$text = "\n\raa\rsss\nsss\r";
$this->assertIdentical($text, purify_html($text));
}
/**
* Test fixing of strict problems.
*/
function test_tidy() {
$text = "xx";
$this->assertIdentical('
xx
', purify_html($text));
$text = "xx
";
$this->assertIdentical('xx
', purify_html($text));
$text = "xx ";
$this->assertIdentical('xx ', purify_html($text));
}
/**
* Test nesting - this used to cause problems in earlier versions
*/
function test_nested_lists() {
$text = "";
$this->assertIdentical($text, purify_html($text));
}
/**
* Test that XSS protection works, complete smoke tests are in htmlpurifier itself.
*/
function test_cleaning_nastiness() {
$text = "xx";
$this->assertIdentical('xx', purify_html($text));
$text = 'xx
';
$this->assertIdentical('xx
', purify_html($text));
$text = 'xx
';
$this->assertIdentical('xx
', purify_html($text));
$text = 'xx';
$this->assertIdentical('xx', purify_html($text));
$text = 'x x';
$this->assertIdentical('xx', purify_html($text));
$text = 'x x';
$this->assertIdentical('xx', purify_html($text));
$text = 'xx';
$this->assertIdentical('xx', purify_html($text));
}
}