wfUrlencodeTest.php

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<?php
class WfUrlencodeTest extends MediaWikiTestCase {
    #### TESTS ##############################################################
 
    public function testEncodingUrlWith( $input, $expected ) {
        $this->verifyEncodingFor( 'Apache', $input, $expected );
    }
 
    public function testEncodingUrlWithMicrosoftIis7( $input, $expected ) {
        $this->verifyEncodingFor( 'Microsoft-IIS/7', $input, $expected );
    }
 
    #### HELPERS #############################################################
 
    private function verifyEncodingFor( $server, $input, $expectations ) {
        $expected = $this->extractExpect( $server, $expectations );
 
        // save up global
        $old = isset( $_SERVER['SERVER_SOFTWARE'] )
            ? $_SERVER['SERVER_SOFTWARE']
            : null;
        $_SERVER['SERVER_SOFTWARE'] = $server;
        wfUrlencode( null );
 
        // do the requested test
        $this->assertEquals(
            $expected,
            wfUrlencode( $input ),
            "Encoding '$input' for server '$server' should be '$expected'"
        );
 
        // restore global
        if ( $old === null ) {
            unset( $_SERVER['SERVER_SOFTWARE'] );
        } else {
            $_SERVER['SERVER_SOFTWARE'] = $old;
        }
        wfUrlencode( null );
    }
 
    private function extractExpect( $server, $expectations ) {
        if ( is_string( $expectations ) ) {
            return $expectations;
        } elseif ( is_array( $expectations ) ) {
            if ( !array_key_exists( $server, $expectations ) ) {
                throw new MWException( __METHOD__ . " expectation does not have any value for server name $server. Check the provider array.\n" );
            } else {
                return $expectations[$server];
            }
        } else {
            throw new MWException( __METHOD__ . " given invalid expectation for '$server'. Should be a string or an array( <http server name> => <string> ).\n" );
        }
    }
 
    #### PROVIDERS ###########################################################
 
    public static function provideURLS() {
        return array(
            ### RFC 1738 chars
            // + is not safe
            array( '+', '%2B' ),
            // & and = not safe in queries
            array( '&', '%26' ),
            array( '=', '%3D' ),
 
            array( ':', array(
                'Apache' => ':',
                'Microsoft-IIS/7' => '%3A',
            ) ),
 
            // remaining chars do not need encoding
            array(
                ';@$-_.!*',
                ';@$-_.!*',
            ),
 
            ### Other tests
            // slash remain unchanged. %2F seems to break things
            array( '/', '/' ),
 
            // Other 'funnies' chars
            array( '[]', '%5B%5D' ),
            array( '<>', '%3C%3E' ),
 
            // Apostrophe is encoded
            array( '\'', '%27' ),
        );
    }
}