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<?php
declare(strict_types=1);
namespace Drupal\Tests;
use Drupal\TestTools\Random;
/**
* Provides random generator utility methods.
*/
trait RandomGeneratorTrait {
/**
* Generates a pseudo-random string of ASCII characters of codes 32 to 126.
*
* Do not use this method when special characters are not possible (e.g., in
* machine or file names that have already been validated); instead, use
* \Drupal\Tests\RandomGeneratorTrait::randomMachineName(). If $length is
* greater than 3 the random string will include at least one ampersand ('&')
* and at least one greater than ('>') character to ensure coverage for
* special characters and avoid the introduction of random test failures.
*
* @param int $length
* Length of random string to generate.
*
* @return string
* Pseudo-randomly generated unique string including special characters.
*
* @see \Drupal\Component\Utility\Random::string()
*/
public function randomString($length = 8) {
return Random::string($length);
}
/**
* Generates a unique random string containing letters and numbers.
*
* Do not use this method when testing non validated user input. Instead, use
* \Drupal\Tests\RandomGeneratorTrait::randomString().
*
* @param int $length
* Length of random string to generate.
*
* @return string
* Randomly generated unique string.
*
* @see \Drupal\Component\Utility\Random::name()
*/
protected function randomMachineName($length = 8): string {
return Random::machineName($length);
}
/**
* Generates a random PHP object.
*
* @param int $size
* The number of random keys to add to the object.
*
* @return object
* The generated object, with the specified number of random keys. Each key
* has a random string value.
*
* @see \Drupal\Component\Utility\Random::object()
*/
public function randomObject($size = 4) {
return Random::object($size);
}
/**
* Gets the random generator for the utility methods.
*
* @return \Drupal\Component\Utility\Random
* The random generator.
*/
protected function getRandomGenerator() {
return Random::getGenerator();
}
}
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