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MDL-37858 testing: Adding nasty strings generator

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David Monllao 2013-02-08 16:13:41 +08:00
parent 02ca6219a6
commit 110761997a
1 changed files with 116 additions and 0 deletions
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lib/testing/classes/nasty_strings.php Normal file
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Nasty strings to use in tests.
*
* @package core
* @category test
* @copyright 2013 David Monllaó
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die;
/**
* Nasty strings manager.
*
* Responds to nasty strings requests with a random string of the list
* to try with different combinations in different places.
*
* @package core
* @category test
* @copyright 2013 David Monllaó
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class nasty_strings {
/**
* List of different strings to fill fields and assert against them
*
* Non of these strings can be a part of another one, this would not be good
* when using more one string at the same time and asserting results.
*
* @static
* @var array
*/
protected static $strings = array(
'< > & &lt; &gt; &amp; \' \\" \ \'$@NULL@$ @@TEST@@ \\\" \\ , ; : .  日本語 ­ % %% ',
'&amp; \' \\" \ \'$@NULL@$ < > & &lt; &gt; @@TEST@@ \\\" \\ , ; : .  日本語 ­ % %% ',
'< > & &lt; &gt; &amp; \' \\" \ \\\" \\ , ; : .  \'$@NULL@$ @@TEST@@ 日本語 ­ % %% ',
'< > & &lt; &gt; &amp; \' \\" \ \'$@NULL@$ 日本語 ­ % %%@@TEST@@ \\\" \\ , ; : .  ',
'< > & &lt; &gt; \\\" \\ , ; : .  日本語&amp; \' \\" \ \'$@NULL@$ @@TEST@@ ­ % %% ',
'\' \\" \ \'$@NULL@$ @@TEST@@ < > & &lt; &gt; &amp; \\\" \\ , ; : .  日本語 ­ % %% ',
'\\\" \\ , ; : .  日本語 ­ % < > & &lt; &gt; &amp; \' \\" \ \'$@NULL@$ @@TEST@@ %% ',
'< > & &lt; &gt; &amp; \' \\" \ \'$@NULL@$ 日本語 ­ % %% @@TEST@@ \\\" \\ , ; : .  ',
'.  日本語&amp; \' \\"< > & &lt; &gt; \\\" \\ , ; : \ \'$@NULL@$ @@TEST@@ ­ % %% ',
'&amp; \' \\" \ < > & &lt; &gt; \\\" \\ , ; : .  日本語\'$@NULL@$ @@TEST@@ ­ % %% ',
);
/**
* Already used nasty strings.
*
* This array will be cleaned before each scenario.
*
* @static
* @var array
*/
protected static $usedstrings = array();
/**
* Returns a nasty string and stores the key mapping.
*
* @static
* @param string $key The key
* @return string
*/
public static function get($key) {
// If have been used during the this tests return it.
if (isset(self::$usedstrings[$key])) {
return self::$strings[self::$usedstrings[$key]];
}
// Getting non-used random string.
do {
$index = self::random_index();
} while (in_array($index, self::$usedstrings));
// Mark the string as already used.
self::$usedstrings[$key] = $index;
return self::$strings[$index];
}
/**
* Resets the used strings var.
* @static
* @return void
*/
public static function reset_used_strings() {
self::$usedstrings = array();
}
/**
* Returns a random index.
* @static
* @return int
*/
protected static function random_index() {
return mt_rand(0, count(self::$strings) - 1);
}
}