htmlpurifier/tests/HTMLPurifier/Strategy/ValidateAttributes_IDTest.php

<?php

class HTMLPurifier_Strategy_ValidateAttributes_IDTest extends HTMLPurifier_StrategyHarness
{

    public function setUp()
    {
        parent::setUp();
        $this->obj = new HTMLPurifier_Strategy_ValidateAttributes();
        $this->config->set('Attr.EnableID', true);
    }


    public function testPreserveIDWhenEnabled()
    {
        $this->assertResult('<div id="valid">Preserve the ID.</div>');
    }

    public function testRemoveInvalidID()
    {
        $this->assertResult(
            '<div id="0invalid">Kill the ID.</div>',
            '<div>Kill the ID.</div>'
        );
    }

    public function testRemoveDuplicateID()
    {
        $this->assertResult(
            '<div id="valid">Valid</div><div id="valid">Invalid</div>',
            '<div id="valid">Valid</div><div>Invalid</div>'
        );
    }

    public function testAttributeKeyCaseInsensitivity()
    {
        $this->assertResult(
            '<div ID="valid">Convert ID to lowercase.</div>',
            '<div id="valid">Convert ID to lowercase.</div>'
        );
    }

    public function testTrimWhitespace()
    {
        $this->assertResult(
            '<div id=" valid ">Trim whitespace.</div>',
            '<div id="valid">Trim whitespace.</div>'
        );
    }

    public function testIDBlacklist()
    {
        $this->config->set('Attr.IDBlacklist', array('invalid'));
        $this->assertResult(
            '<div id="invalid">Invalid</div>',
            '<div>Invalid</div>'
        );
    }

    public function testNameConvertedToID()
    {
        $this->config->set('HTML.TidyLevel', 'heavy');
        $this->assertResult(
            '<a name="foobar" />',
            '<a id="foobar" />'
        );
    }

}

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