tests/phpunit/includes/MWExceptionHandlerTest.php

   1 <?php
   2 /**
   3  * Tests for includes/Exception.php.
   4  *
   5  * @author Antoine Musso
   6  * @copyright Copyright © 2013, Antoine Musso
   7  * @copyright Copyright © 2013, Wikimedia Foundation Inc.
   8  * @file
   9  */
  10
  11 class MWExceptionHandlerTest extends MediaWikiTestCase {
  12
  13         /**
  14          * @covers MWExceptionHandler::getRedactedTrace
  15          */
  16         function testGetRedactedTrace() {
  17                 try {
  18                         $array = array( 'a', 'b' );
  19                         $object = new StdClass();
  20                         self::helperThrowAnException( $array, $object );
  21                 } catch (Exception $e) {
  22                 }
  23
  24                 # Make sure our strack trace contains an array and an object passed to
  25                 # some function in the stacktrace. Else, we can not assert the trace
  26                 # redaction achieved its job.
  27                 $trace = $e->getTrace();
  28                 $hasObject = false;
  29                 $hasArray = false;
  30                 foreach ( $trace as $frame ) {
  31                         if ( ! isset( $frame['args'] ) ) {
  32                                 continue;
  33                         }
  34                         foreach ( $frame['args'] as $arg ) {
  35                                 $hasObject = $hasObject || is_object( $arg );
  36                                 $hasArray = $hasArray || is_array( $arg );
  37                         }
  38
  39                         if( $hasObject && $hasArray ) {
  40                                 break;
  41                         }
  42                 }
  43                 $this->assertTrue( $hasObject,
  44                         "The stacktrace must have a function having an object has parameter" );
  45                 $this->assertTrue( $hasArray,
  46                         "The stacktrace must have a function having an array has parameter" );
  47
  48                 # Now we redact the trace.. and make sure no function arguments are
  49                 # arrays or objects.
  50                 $redacted = MWExceptionHandler::getRedactedTrace( $e );
  51
  52                 foreach ( $redacted as $frame ) {
  53                         if ( ! isset( $frame['args'] ) ) {
  54                                 continue;
  55                         }
  56                         foreach ( $frame['args'] as $arg ) {
  57                                 $this->assertNotInternalType( 'array', $arg);
  58                                 $this->assertNotInternalType( 'object', $arg);
  59                         }
  60                 }
  61         }
  62
  63         /**
  64          * Helper function for testExpandArgumentsInCall
  65          *
  66          * Pass it an object and an array :-)
  67          *
  68          * @throws Exception
  69          */
  70         protected static function helperThrowAnException( $a, $b ) {
  71                 throw new Exception();
  72         }
  73 }