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<?php
/**
* @author Antoine Musso
* @copyright Copyright © 2013, Antoine Musso
* @copyright Copyright © 2013, Wikimedia Foundation Inc.
* @file
*/
class MWExceptionHandlerTest extends \MediaWikiUnitTestCase {
private $oldSettingValue;
protected function setUp() : void {
parent::setUp();
// We need to make sure the traces have function arguments as we're testing
// their handling.
$this->oldSettingValue = ini_set( 'zend.exception_ignore_args', 0 );
}
protected function tearDown() : void {
ini_set( 'zend.exception_ignore_args', $this->oldSettingValue );
parent::tearDown();
}
/**
* @covers MWExceptionHandler::getRedactedTrace
*/
public function testGetRedactedTrace() {
$refvar = 'value';
try {
$array = [ 'a', 'b' ];
$object = (object)[];
self::helperThrowAnException( $array, $object, $refvar );
} catch ( Exception $e ) {
}
# Make sure our stack trace contains an array and an object passed to
# some function in the stacktrace. Else, we can not assert the trace
# redaction achieved its job.
$trace = $e->getTrace();
$hasObject = false;
$hasArray = false;
foreach ( $trace as $frame ) {
if ( !isset( $frame['args'] ) ) {
continue;
}
foreach ( $frame['args'] as $arg ) {
$hasObject = $hasObject || is_object( $arg );
$hasArray = $hasArray || is_array( $arg );
}
if ( $hasObject && $hasArray ) {
break;
}
}
$this->assertTrue( $hasObject,
"The stacktrace must contain a function having an object as a parameter" );
$this->assertTrue( $hasArray,
"The stacktrace must contain a function having an array as a parameter" );
# Now we redact the trace.. and make sure no function arguments are
# arrays or objects.
$redacted = MWExceptionHandler::getRedactedTrace( $e );
foreach ( $redacted as $frame ) {
if ( !isset( $frame['args'] ) ) {
continue;
}
foreach ( $frame['args'] as $arg ) {
$this->assertIsNotArray( $arg );
$this->assertIsNotObject( $arg );
}
}
$this->assertEquals( 'value', $refvar, 'Ensuring reference variable wasn\'t changed' );
}
/**
* Helper function for testExpandArgumentsInCall
*
* Pass it an object and an array, and something by reference :-)
*
* @throws Exception
*/
protected static function helperThrowAnException( $a, $b, &$c ) {
throw new Exception();
}
}
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