tests/phpunit/includes/GlobalFunctions/wfUrlencodeTest.php

   1 <?php
   2 /**
   3  * Tests for includes/GlobalFunctions.php -> wfUrlencode()
   4  *
   5  * The function only need a string parameter and might react to IIS7.0
   6  */
   7
   8 class wfUrlencodeTest extends MediaWikiTestCase {
   9
  10         #### TESTS ##############################################################
  11
  12         /** @dataProvider provideURLS */
  13         public function testEncodingUrlWith( $input, $expected ) {
  14                 $this->verifyEncodingFor( 'Apache', $input, $expected );
  15         }
  16
  17         /** @dataProvider provideURLS */
  18         public function testEncodingUrlWithMicrosoftIis7( $input, $expected ) {
  19                 $this->verifyEncodingFor( 'Microsoft-IIS/7', $input, $expected );
  20         }
  21
  22         #### HELPERS #############################################################
  23
  24         /**
  25          * Internal helper that actually run the test.
  26          * Called by the public methods testEncodingUrlWith...()
  27          *
  28          */
  29         private function verifyEncodingFor( $server, $input, $expectations ) {
  30                 $expected = $this->extractExpect( $server, $expectations );
  31
  32                 // save up global
  33                 $old = isset($_SERVER['SERVER_SOFTWARE'])
  34                         ? $_SERVER['SERVER_SOFTWARE']
  35                         : null
  36                 ;
  37                 $_SERVER['SERVER_SOFTWARE'] = $server;
  38                 wfUrlencode( null );
  39
  40                 // do the requested test
  41                 $this->assertEquals(
  42                         $expected,
  43                         wfUrlencode( $input ),
  44                         "Encoding '$input' for server '$server' should be '$expected'"
  45                 );
  46
  47                 // restore global
  48                 if( $old === null ) {
  49                         unset( $_SERVER['SERVER_SOFTWARE'] );
  50                 } else {
  51                         $_SERVER['SERVER_SOFTWARE'] = $old;
  52                 }
  53                 wfUrlencode( null );
  54         }
  55
  56         /**
  57          * Interprets the provider array. Return expected value depending
  58          * the HTTP server name.
  59          */
  60         private function extractExpect( $server, $expectations ) {
  61                 if( is_string( $expectations ) ) {
  62                         return $expectations;
  63                 } elseif( is_array( $expectations ) ) {
  64                         if( !array_key_exists( $server, $expectations ) ) {
  65                                 throw new MWException( __METHOD__ . " expectation does not have any value for server name $server. Check the provider array.\n" );
  66                         } else {
  67                                 return $expectations[$server];
  68                         }
  69                 } else {
  70                         throw new MWException( __METHOD__ . " given invalid expectation for '$server'. Should be a string or an array( <http server name> => <string> ).\n" );
  71                 }
  72         }
  73
  74
  75         #### PROVIDERS ###########################################################
  76
  77         /**
  78          * Format is either:
  79          *   array( 'input', 'expected' );
  80          * Or:
  81          *   array( 'input',
  82          *       array( 'Apache', 'expected' ),
  83          *       array( 'Microsoft-IIS/7', 'expected' ),
  84          *    ),
  85          * If you want to add other HTTP server name, you will have to add a new
  86          * testing method much like the testEncodingUrlWith() method above.
  87          */
  88         public function provideURLS() {
  89                 return array(
  90                 ### RFC 1738 chars
  91                         // + is not safe
  92                         array( '+', '%2B' ),
  93                         // & and = not safe in queries
  94                         array( '&', '%26' ),
  95                         array( '=', '%3D' ),
  96
  97                         array( ':', array(
  98                                 'Apache'          => ':',
  99                                 'Microsoft-IIS/7' => '%3A',
 100                         ) ),
 101
 102                         // remaining chars do not need encoding
 103                         array(
 104                                 ';@$-_.!*',
 105                                 ';@$-_.!*',
 106                         ),
 107
 108                 ### Other tests
 109                         // slash remain unchanged. %2F seems to break things
 110                         array( '/', '/' ),
 111
 112                         // Other 'funnies' chars
 113                         array( '[]', '%5B%5D' ),
 114                         array( '<>', '%3C%3E' ),
 115
 116                         // Apostrophe is encoded
 117                         array( '\'', '%27' ),
 118                 );
 119         }
 120 }