From 370e83bb0dfd0c70de268c93bf07ad5ee0897192 Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Fri, 15 Aug 2008 01:29:47 +0200
Subject: Update auf 1.13.0

---
 includes/parser/Parser_DiffTest.php | 87 +++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 includes/parser/Parser_DiffTest.php

(limited to 'includes/parser/Parser_DiffTest.php')

diff --git a/includes/parser/Parser_DiffTest.php b/includes/parser/Parser_DiffTest.php
new file mode 100644
index 00000000..be3702cf
--- /dev/null
+++ b/includes/parser/Parser_DiffTest.php
@@ -0,0 +1,87 @@
+<?php
+
+/**
+ * @ingroup Parser
+ */
+class Parser_DiffTest
+{
+	var $parsers, $conf;
+
+	var $dfUniqPrefix;
+
+	function __construct( $conf ) {
+		if ( !isset( $conf['parsers'] ) ) {
+			throw new MWException( __METHOD__ . ': no parsers specified' );
+		}
+		$this->conf = $conf;
+		$this->dtUniqPrefix = "\x7fUNIQ" . Parser::getRandomString();
+	}
+
+	function init() {
+		if ( !is_null( $this->parsers ) ) {
+			return;
+		}
+
+		global $wgHooks;
+		static $doneHook = false;
+		if ( !$doneHook ) {
+			$doneHook = true;
+			$wgHooks['ParserClearState'][] = array( $this, 'onClearState' );
+		}
+
+		foreach ( $this->conf['parsers'] as $i => $parserConf ) {
+			if ( !is_array( $parserConf ) ) {
+				$class = $parserConf;
+				$parserConf = array( 'class' => $parserConf );
+			} else {
+				$class = $parserConf['class'];
+			}
+			$this->parsers[$i] = new $class( $parserConf );
+		}
+	}
+
+	function __call( $name, $args ) {
+		$this->init();
+		$results = array();
+		$mismatch = false;
+		$lastResult = null;
+		$first = true;
+		foreach ( $this->parsers as $i => $parser ) {
+			$currentResult = call_user_func_array( array( &$this->parsers[$i], $name ), $args );
+			if ( $first ) {
+				$first = false;
+			} else {
+				if ( is_object( $lastResult ) ) {
+					if ( $lastResult != $currentResult ) {
+						$mismatch = true;
+					}
+				} else {
+					if ( $lastResult !== $currentResult ) {
+						$mismatch = true;
+					}
+				}
+			}
+			$results[$i] = $currentResult;
+			$lastResult = $currentResult;
+		}
+		if ( $mismatch ) {
+			throw new MWException( "Parser_DiffTest: results mismatch on call to $name\n" .
+				'Arguments: ' . var_export( $args, true ) . "\n" .
+				'Results: ' . var_export( $results, true ) . "\n" );
+		}
+		return $lastResult;
+	}
+
+	function setFunctionHook( $id, $callback, $flags = 0 ) {
+		$this->init();
+		foreach  ( $this->parsers as $i => $parser ) {
+			$parser->setFunctionHook( $id, $callback, $flags );
+		}
+	}
+
+	function onClearState( &$parser ) {
+		// hack marker prefixes to get identical output
+		$parser->mUniqPrefix = $this->dtUniqPrefix;
+		return true;
+	}
+}
-- 
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