ExtraParserTest.php

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<?php

class ExtraParserTest extends MediaWikiTestCase {

    protected function setUp() {
        parent::setUp();

        $contLang = Language::factory( 'en' );
        $this->setMwGlobals( array(
            'wgShowDBErrorBacktrace' => true,
            'wgLanguageCode' => 'en',
            'wgContLang' => $contLang,
            'wgLang' => Language::factory( 'en' ),
            'wgMemc' => new EmptyBagOStuff,
            'wgAlwaysUseTidy' => false,
            'wgCleanSignatures' => true,
        ) );

        $this->options = ParserOptions::newFromUserAndLang( new User, $contLang );
        $this->options->setTemplateCallback( array( __CLASS__, 'statelessFetchTemplate' ) );
        $this->parser = new Parser;

        MagicWord::clearCache();
    }

    // Bug 8689 - Long numeric lines kill the parser
    public function testBug8689() {
        global $wgUser;
        $longLine = '1.' . str_repeat( '1234567890', 100000 ) . "\n";

        $t = Title::newFromText( 'Unit test' );
        $options = ParserOptions::newFromUser( $wgUser );
        $this->assertEquals( "<p>$longLine</p>",
            $this->parser->parse( $longLine, $t, $options )->getText() );
    }

    /* Test the parser entry points */
    public function testParse() {
        $title = Title::newFromText( __FUNCTION__ );
        $parserOutput = $this->parser->parse( "Test\n{{Foo}}\n{{Bar}}", $title, $this->options );
        $this->assertEquals( "<p>Test\nContent of <i>Template:Foo</i>\nContent of <i>Template:Bar</i>\n</p>", $parserOutput->getText() );
    }

    public function testPreSaveTransform() {
        global $wgUser;
        $title = Title::newFromText( __FUNCTION__ );
        $outputText = $this->parser->preSaveTransform( "Test\r\n{{subst:Foo}}\n{{Bar}}", $title, $wgUser, $this->options );

        $this->assertEquals( "Test\nContent of ''Template:Foo''\n{{Bar}}", $outputText );
    }

    public function testPreprocess() {
        $title = Title::newFromText( __FUNCTION__ );
        $outputText = $this->parser->preprocess( "Test\n{{Foo}}\n{{Bar}}", $title, $this->options );

        $this->assertEquals( "Test\nContent of ''Template:Foo''\nContent of ''Template:Bar''", $outputText );
    }

    public function testCleanSig() {
        $title = Title::newFromText( __FUNCTION__ );
        $outputText = $this->parser->cleanSig( "{{Foo}} ~~~~" );

        $this->assertEquals( "{{SUBST:Foo}} ", $outputText );
    }

    public function testCleanSigDisabled() {
        $this->setMwGlobals( 'wgCleanSignatures', false );

        $title = Title::newFromText( __FUNCTION__ );
        $outputText = $this->parser->cleanSig( "{{Foo}} ~~~~" );

        $this->assertEquals( "{{Foo}} ~~~~", $outputText );
    }

    public function testCleanSigInSig( $in, $out ) {
        $this->assertEquals( Parser::cleanSigInSig( $in ), $out );
    }

    public static function provideStringsForCleanSigInSig() {
        return array(
            array( "{{Foo}} ~~~~", "{{Foo}} " ),
            array( "~~~", "" ),
            array( "~~~~~", "" ),
        );
    }

    public function testGetSection() {
        $outputText2 = $this->parser->getSection( "Section 0\n== Heading 1 ==\nSection 1\n=== Heading 2 ===\nSection 2\n== Heading 3 ==\nSection 3\n", 2 );
        $outputText1 = $this->parser->getSection( "Section 0\n== Heading 1 ==\nSection 1\n=== Heading 2 ===\nSection 2\n== Heading 3 ==\nSection 3\n", 1 );

        $this->assertEquals( "=== Heading 2 ===\nSection 2", $outputText2 );
        $this->assertEquals( "== Heading 1 ==\nSection 1\n=== Heading 2 ===\nSection 2", $outputText1 );
    }

    public function testReplaceSection() {
        $outputText = $this->parser->replaceSection( "Section 0\n== Heading 1 ==\nSection 1\n=== Heading 2 ===\nSection 2\n== Heading 3 ==\nSection 3\n", 1, "New section 1" );

        $this->assertEquals( "Section 0\nNew section 1\n\n== Heading 3 ==\nSection 3", $outputText );
    }

    public function testGetPreloadText() {
        $title = Title::newFromText( __FUNCTION__ );
        $outputText = $this->parser->getPreloadText( "{{Foo}}<noinclude> censored</noinclude> information <!-- is very secret -->", $title, $this->options );

        $this->assertEquals( "{{Foo}} information <!-- is very secret -->", $outputText );
    }

    static function statelessFetchTemplate( $title, $parser = false ) {
        $text = "Content of ''" . $title->getFullText() . "''";
        $deps = array();

        return array(
            'text' => $text,
            'finalTitle' => $title,
            'deps' => $deps );
    }

    public function testTrackingCategory() {
        $title = Title::newFromText( __FUNCTION__ );
        $catName = wfMessage( 'broken-file-category' )->inContentLanguage()->text();
        $cat = Title::makeTitleSafe( NS_CATEGORY, $catName );
        $expected = array( $cat->getDBkey() );
        $parserOutput = $this->parser->parse( "[[file:nonexistent]]", $title, $this->options );
        $result = $parserOutput->getCategoryLinks();
        $this->assertEquals( $expected, $result );
    }

    public function testTrackingCategorySpecial() {
        // Special pages shouldn't have tracking cats.
        $title = SpecialPage::getTitleFor( 'Contributions' );
        $parserOutput = $this->parser->parse( "[[file:nonexistent]]", $title, $this->options );
        $result = $parserOutput->getCategoryLinks();
        $this->assertEmpty( $result );
    }
}