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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Nasty strings to use in tests.
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*
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* @package core
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* @category test
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* @copyright 2013 David Monllaó
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die;
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/**
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* Nasty strings manager.
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*
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* Responds to nasty strings requests with a random string of the list
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* to try with different combinations in different places.
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*
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* @package core
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* @category test
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* @copyright 2013 David Monllaó
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class nasty_strings {
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/**
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* List of different strings to fill fields and assert against them
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*
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* Non of these strings can be a part of another one, this would not be good
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* when using more one string at the same time and asserting results.
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*
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* @static
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* @var array
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*/
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protected static $strings = array(
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'< > & < > & \' \\" \ \'$@NULL@$ @@TEST@@ \\\" \\ , ; : . 日本語% %%',
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'& \' \\" \ \'$@NULL@$ < > & < > @@TEST@@ \\\" \\ , ; : . 日本語% %%',
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'< > & < > & \' \\" \ \\\" \\ , ; : . \'$@NULL@$ @@TEST@@ 日本語% %%',
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'< > & < > & \' \\" \ \'$@NULL@$ 日本語% %%@@TEST@@ \. \\" \\ , ; :',
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'< > & < > \\\" \\ , ; : . 日本語& \' \\" \ \'$@NULL@$ @@TEST@@% %%',
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'\' \\" \ \'$@NULL@$ @@TEST@@ < > & < > & \\\" \\ , ; : . 日本語% %%',
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'\\\" \\ , ; : . 日本語% < > & < > & \' \\" \ \'$@NULL@$ @@TEST@@ %%',
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'< > & < > & \' \\" \ \'$@NULL@$ 日本語% %% @@TEST@@ \\\" \\ . , ; :',
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'. 日本語& \' \\" < > & < > \\ , ; : \ \'$@NULL@$ \\\" @@TEST@@% %%',
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'& \' \\" \ < > & < > \\\" \\ , ; : . 日本語\'$@NULL@$ @@TEST@@% %%',
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);
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/**
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* Already used nasty strings.
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*
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* This array will be cleaned before each scenario.
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*
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* @static
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* @var array
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*/
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protected static $usedstrings = array();
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/**
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* Returns a nasty string and stores the key mapping.
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*
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* @static
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* @param string $key The key
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* @return string
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*/
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public static function get($key) {
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// If have been used during the this tests return it.
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if (isset(self::$usedstrings[$key])) {
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return self::$strings[self::$usedstrings[$key]];
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}
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// Getting non-used random string.
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do {
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$index = self::random_index();
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} while (in_array($index, self::$usedstrings));
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// Mark the string as already used.
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self::$usedstrings[$key] = $index;
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return self::$strings[$index];
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}
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/**
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* Resets the used strings var.
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* @static
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* @return void
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*/
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public static function reset_used_strings() {
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self::$usedstrings = array();
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}
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/**
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* Returns a random index.
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* @static
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* @return int
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*/
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protected static function random_index() {
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return mt_rand(0, count(self::$strings) - 1);
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}
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}
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