117 lines
3.9 KiB
PHP
117 lines
3.9 KiB
PHP
<?php
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/**
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* PHPUnit
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*
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* Copyright (c) 2002-2013, Sebastian Bergmann <sebastian@phpunit.de>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* * Neither the name of Sebastian Bergmann nor the names of his
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @package PHPUnit
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* @subpackage Framework_Constraint
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* @author Sebastian Bergmann <sebastian@phpunit.de>
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* @copyright 2002-2013 Sebastian Bergmann <sebastian@phpunit.de>
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* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
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* @link http://www.phpunit.de/
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*/
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/**
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* Constraint that evaluates against a specified closure.
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*
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* @package PHPUnit
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* @subpackage Framework_Constraint
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* @author Sebastian Bergmann <sebastian@phpunit.de>
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* @author Timon Rapp <timon@zaeda.net>
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* @copyright 2002-2013 Sebastian Bergmann <sebastian@phpunit.de>
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* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
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* @link http://www.phpunit.de/
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*/
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class PHPUnit_Framework_Constraint_Callback extends PHPUnit_Framework_Constraint
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{
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private $callback;
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/**
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* @param callable $callback
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* @throws InvalidArgumentException
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*/
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public function __construct($callback)
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{
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if (!is_callable($callback)) {
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throw new InvalidArgumentException(
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sprintf(
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'Specified callback <%s> is not callable.',
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$this->callbackToString($callback)
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)
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);
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}
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$this->callback = $callback;
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}
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/**
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* Evaluates the constraint for parameter $value. Returns TRUE if the
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* constraint is met, FALSE otherwise.
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*
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* @param mixed $value Value or object to evaluate.
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* @return bool
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*/
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protected function matches($other)
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{
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return call_user_func($this->callback, $other);
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}
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/**
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* Returns a string representation of the constraint.
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*
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* @return string
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*/
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public function toString()
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{
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return 'is accepted by specified callback';
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}
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private function callbackToString($callback)
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{
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if (!is_array($callback)) {
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return $callback;
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}
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if (empty($callback)) {
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return "empty array";
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}
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if (!isset($callback[0]) || !isset($callback[1])) {
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return "array without indexes 0 and 1 set";
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}
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if (is_object($callback[0])) {
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$callback[0] = get_class($callback[0]);
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}
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return $callback[0] . '::' . $callback[1];
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}
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}
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