HtmlFormatterTest.php

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<?php

class HtmlFormatterTest extends MediaWikiTestCase {
    public function testTransform( $input, $expected, $callback = false ) {
        $input = self::normalize( $input );
        $formatter = new HtmlFormatter( HtmlFormatter::wrapHTML( $input ) );
        if ( $callback ) {
            $callback( $formatter );
        }
        $formatter->filterContent();
        $html = $formatter->getText();
        $this->assertEquals( self::normalize( $expected ), self::normalize( $html ) );
    }

    private static function normalize( $s ) {
        return str_replace( "\n", '',
            str_replace( "\r", '', $s ) // "yay" to Windows!
        );
    }

    public function getHtmlData() {
        $removeImages = function( HtmlFormatter $f ) {
            $f->setRemoveMedia();
        };
        $removeTags = function( HtmlFormatter $f ) {
            $f->remove( array( 'table', '.foo', '#bar', 'div.baz' ) );
        };
        $flattenSomeStuff = function( HtmlFormatter $f ) {
            $f->flatten( array( 's', 'div' ) );
        };
        $flattenEverything = function( HtmlFormatter $f ) {
            $f->flattenAllTags();
        };
        return array(
            // remove images if asked
            array(
                '<img src="/foo/bar.jpg" alt="Blah"/>',
                '',
                $removeImages,
            ),
            // basic tag removal
            array(
                '<table><tr><td>foo</td></tr></table><div class="foo">foo</div><div class="foo quux">foo</div><span id="bar">bar</span>
<strong class="foo" id="bar">foobar</strong><div class="notfoo">test</div><div class="baz"/>
<span class="baz">baz</span>',

                '<div class="notfoo">test</div>
<span class="baz">baz</span>',
                $removeTags,
            ),
            // don't flatten tags that start like chosen ones
            array(
                '<div><s>foo</s> <span>bar</span></div>',
                'foo <span>bar</span>',
                $flattenSomeStuff,
            ),
            // total flattening
            array(
                '<div style="foo">bar<sup>2</sup></div>',
                'bar2',
                $flattenEverything,
            ),
            // UTF-8 preservation and security
            array(
                '<span title="&quot; \' &amp;">&lt;Тест!&gt;</span> &amp;&lt;&#38;&#0038;&#x26;&#x026;',
                '<span title="&quot; \' &amp;">&lt;Тест!&gt;</span> &amp;&lt;&amp;&amp;&amp;&amp;',
            ),
            // https://bugzilla.wikimedia.org/show_bug.cgi?id=53086
            array(
                'Foo<sup id="cite_ref-1" class="reference"><a href="#cite_note-1">[1]</a></sup> <a href="/wiki/Bar" title="Bar" class="mw-redirect">Bar</a>',
                'Foo<sup id="cite_ref-1" class="reference"><a href="#cite_note-1">[1]</a></sup> <a href="/wiki/Bar" title="Bar" class="mw-redirect">Bar</a>',
            ),
        );
    }
}