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<?php
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/**
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* base include file for SimpleTest
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* @package SimpleTest
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* @subpackage UnitTester
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* @version $Id: errors.php 1606 2007-01-09 10:42:06Z wei $
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*/
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/** @ignore - PHP5 compatibility fix. */
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if (! defined('E_STRICT')) {
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define('E_STRICT', 2048);
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}
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/**#@+
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* Includes SimpleTest files.
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*/
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require_once(dirname(__FILE__) . '/invoker.php');
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/**
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* Extension that traps errors into an error queue.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class SimpleErrorTrappingInvoker extends SimpleInvokerDecorator {
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/**
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* Stores the invoker to wrap.
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* @param SimpleInvoker $invoker Test method runner.
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*/
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function SimpleErrorTrappingInvoker($invoker) {
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$this->SimpleInvokerDecorator($invoker);
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}
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/**
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* Invokes a test method and dispatches any
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* untrapped errors. Called back from
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* the visiting runner.
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* @param string $method Test method to call.
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* @access public
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*/
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function invoke($method) {
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set_error_handler('simpleTestErrorHandler');
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parent::invoke($method);
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$queue = SimpleErrorQueue::instance();
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while (list($severity, $message, $file, $line, $globals) = $queue->extract()) {
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$severity = SimpleErrorQueue::getSeverityAsString($severity);
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$test_case = $this->getTestCase();
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$test_case->error($severity, $message, $file, $line);
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}
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restore_error_handler();
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}
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}
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/**
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* Singleton error queue used to record trapped
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* errors.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class SimpleErrorQueue {
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protected $_queue;
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/**
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* Starts with an empty queue.
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* @access public
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*/
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function SimpleErrorQueue() {
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$this->clear();
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}
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/**
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* Adds an error to the front of the queue.
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* @param $severity PHP error code.
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* @param $message Text of error.
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* @param $filename File error occoured in.
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* @param $line Line number of error.
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* @param $super_globals Hash of PHP super global arrays.
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* @access public
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*/
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function add($severity, $message, $filename, $line, $super_globals) {
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array_push(
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$this->_queue,
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array($severity, $message, $filename, $line, $super_globals));
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}
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/**
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* Pulls the earliest error from the queue.
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* @return False if none, or a list of error
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* information. Elements are: severity
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* as the PHP error code, the error message,
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* the file with the error, the line number
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* and a list of PHP super global arrays.
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* @access public
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*/
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function extract() {
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if (count($this->_queue)) {
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return array_shift($this->_queue);
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}
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return false;
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}
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/**
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* Discards the contents of the error queue.
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* @access public
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*/
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function clear() {
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$this->_queue = array();
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}
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/**
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* Tests to see if the queue is empty.
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* @return True if empty.
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*/
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function isEmpty() {
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return (count($this->_queue) == 0);
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}
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/**
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* Global access to a single error queue.
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* @return Global error queue object.
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* @access public
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* @static
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*/
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static function instance() {
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static $queue = false;
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if (! $queue) {
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$queue = new SimpleErrorQueue();
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}
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return $queue;
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}
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/**
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* Converst an error code into it's string
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* representation.
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* @param $severity PHP integer error code.
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* @return String version of error code.
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* @access public
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* @static
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*/
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static function getSeverityAsString($severity) {
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static $map = array(
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E_STRICT => 'E_STRICT',
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E_ERROR => 'E_ERROR',
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E_WARNING => 'E_WARNING',
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E_PARSE => 'E_PARSE',
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E_NOTICE => 'E_NOTICE',
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E_CORE_ERROR => 'E_CORE_ERROR',
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E_CORE_WARNING => 'E_CORE_WARNING',
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E_COMPILE_ERROR => 'E_COMPILE_ERROR',
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E_COMPILE_WARNING => 'E_COMPILE_WARNING',
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E_USER_ERROR => 'E_USER_ERROR',
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E_USER_WARNING => 'E_USER_WARNING',
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E_USER_NOTICE => 'E_USER_NOTICE', 4096 => 'E??');
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return $map[$severity];
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}
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}
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/**
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* Error handler that simply stashes any errors into the global
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* error queue. Simulates the existing behaviour with respect to
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* logging errors, but this feature may be removed in future.
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* @param $severity PHP error code.
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* @param $message Text of error.
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* @param $filename File error occoured in.
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* @param $line Line number of error.
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* @param $super_globals Hash of PHP super global arrays.
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* @static
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* @access public
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*/
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function simpleTestErrorHandler($severity, $message, $filename, $line, $super_globals) {
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if ($severity = $severity & error_reporting()) {
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restore_error_handler();
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if (ini_get('log_errors')) {
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$label = SimpleErrorQueue::getSeverityAsString($severity);
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error_log("$label: $message in $filename on line $line");
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}
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$queue = SimpleErrorQueue::instance();
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$queue->add($severity, $message, $filename, $line, $super_globals);
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set_error_handler('simpleTestErrorHandler');
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}
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}
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?>
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