htmlpurifier/tests/HTMLPurifier/AttrDef/HTML/IDTest.php

<?php

class HTMLPurifier_AttrDef_HTML_IDTest extends HTMLPurifier_AttrDefHarness
{
    
    function setUp() {
        parent::setUp();
        
        $id_accumulator = new HTMLPurifier_IDAccumulator();
        $this->context->register('IDAccumulator', $id_accumulator);
        $this->config->set('Attr', 'EnableID', true);
        $this->def = new HTMLPurifier_AttrDef_HTML_ID();
        
    }
    
    function test() {
        
        // valid ID names
        $this->assertDef('alpha');
        $this->assertDef('al_ha');
        $this->assertDef('a0-:.');
        $this->assertDef('a');
        
        // invalid ID names
        $this->assertDef('<asa', false);
        $this->assertDef('0123', false);
        $this->assertDef('.asa', false);
        
        // test duplicate detection
        $this->assertDef('once');
        $this->assertDef('once', false);
        
        // valid once whitespace stripped, but needs to be amended
        $this->assertDef(' whee ', 'whee');
        
    }
    
    function testPrefix() {
        
        $this->config->set('Attr', 'IDPrefix', 'user_');
        
        $this->assertDef('alpha', 'user_alpha');
        $this->assertDef('<asa', false);
        $this->assertDef('once', 'user_once');
        $this->assertDef('once', false);
        
        // if already prefixed, leave alone
        $this->assertDef('user_alas');
        $this->assertDef('user_user_alas'); // how to bypass
        
    }
    
    function testTwoPrefixes() {
        
        $this->config->set('Attr', 'IDPrefix', 'user_');
        $this->config->set('Attr', 'IDPrefixLocal', 'story95_');
        
        $this->assertDef('alpha', 'user_story95_alpha');
        $this->assertDef('<asa', false);
        $this->assertDef('once', 'user_story95_once');
        $this->assertDef('once', false);
        
        $this->assertDef('user_story95_alas');
        $this->assertDef('user_alas', 'user_story95_user_alas'); // !
    }
    
    function testLocalPrefixWithoutMainPrefix() {
        // no effect when IDPrefix isn't set
        $this->config->set('Attr', 'IDPrefix', '');
        $this->config->set('Attr', 'IDPrefixLocal', 'story95_');
        $this->expectError('%Attr.IDPrefixLocal cannot be used unless '.
            '%Attr.IDPrefix is set');
        $this->assertDef('amherst');
        
    }
    
    // reference functionality is disabled for now
    function disabled_testIDReference() {
        
        $this->def = new HTMLPurifier_AttrDef_HTML_ID(true);
        
        $this->assertDef('good_id');
        $this->assertDef('good_id'); // duplicates okay
        $this->assertDef('<b>', false);
        
        $this->def = new HTMLPurifier_AttrDef_HTML_ID();
        
        $this->assertDef('good_id');
        $this->assertDef('good_id', false); // duplicate now not okay
        
        $this->def = new HTMLPurifier_AttrDef_HTML_ID(true);
        
        $this->assertDef('good_id'); // reference still okay
        
    }
    
    function testRegexp() {
        
        $this->config->set('Attr', 'IDBlacklistRegexp', '/^g_/');
        
        $this->assertDef('good_id');
        $this->assertDef('g_bad_id', false);
        
    }
    
}