65 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * @copyright Copyright (C) 2010-2021, the Friendica project
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 *
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 * @license GNU AGPL version 3 or any later version
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU Affero General Public License as
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 * published by the Free Software Foundation, either version 3 of the
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 * License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU Affero General Public License for more details.
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 *
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 * You should have received a copy of the GNU Affero General Public License
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 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
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 *
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 */
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namespace Friendica\Test\Util;
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use php_user_filter;
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/**
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 * Output Interceptor for STDOUT to prevent outputing to the console
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 * Instead the $cache variable will get filled with the output
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 *
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 * @package Friendica\Test\Util
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 */
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class Intercept extends php_user_filter
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{
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	/**
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	 * @var string The cache which holds the current output of STDOUT
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	 */
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	public static $cache = '';
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	/** @noinspection PhpMissingParentCallCommonInspection */
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	public function filter($in, $out, &$consumed, $closing)
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	{
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		while ($bucket = stream_bucket_make_writeable($in)) {
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			self::$cache .= $bucket->data;
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			$consumed += $bucket->datalen;
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			stream_bucket_append($out, $bucket);
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		}
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		return PSFS_FEED_ME;
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	}
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	/**
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	 * Registers the interceptor and prevents therefore the output to STDOUT
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	 */
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	public static function setUp() {
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		stream_filter_register("intercept", Intercept::class);
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		stream_filter_append(STDOUT, "intercept");
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		stream_filter_append(STDERR, "intercept");
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	}
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	/**
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	 * Resets the cache
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	 */
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	public static function reset() {
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		self::$cache = '';
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	}
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}
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