ci4

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<?php
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declare(strict_types=1);
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/**
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 * This file is part of CodeIgniter 4 framework.
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 *
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 * (c) CodeIgniter Foundation <admin@codeigniter.com>
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 *
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 * For the full copyright and license information, please view
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 * the LICENSE file that was distributed with this source code.
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 */
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namespace CodeIgniter\Test;
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use Closure;
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use ReflectionClass;
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use ReflectionException;
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use ReflectionMethod;
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use ReflectionObject;
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use ReflectionProperty;
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/**
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 * Testing helper.
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 */
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trait ReflectionHelper
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{
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    /**
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     * Find a private method invoker.
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     *
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     * @param object|string $obj    object or class name
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     * @param string        $method method name
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     *
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     * @return Closure
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     *
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     * @throws ReflectionException
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     */
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    public static function getPrivateMethodInvoker($obj, $method)
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    {
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        $refMethod = new ReflectionMethod($obj, $method);
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        $refMethod->setAccessible(true);
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        $obj = (gettype($obj) === 'object') ? $obj : null;
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        return static fn (...$args) => $refMethod->invokeArgs($obj, $args);
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    }
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    /**
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     * Find an accessible property.
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     *
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     * @param object|string $obj
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     * @param string        $property
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     *
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     * @return ReflectionProperty
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     *
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     * @throws ReflectionException
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     */
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    private static function getAccessibleRefProperty($obj, $property)
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    {
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        $refClass = is_object($obj) ? new ReflectionObject($obj) : new ReflectionClass($obj);
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        $refProperty = $refClass->getProperty($property);
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        $refProperty->setAccessible(true);
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        return $refProperty;
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    }
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    /**
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     * Set a private property.
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     *
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     * @param object|string $obj      object or class name
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     * @param string        $property property name
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     * @param mixed         $value    value
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     *
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     * @throws ReflectionException
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     */
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    public static function setPrivateProperty($obj, $property, $value)
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    {
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        $refProperty = self::getAccessibleRefProperty($obj, $property);
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        if (is_object($obj)) {
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            $refProperty->setValue($obj, $value);
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        } else {
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            $refProperty->setValue(null, $value);
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        }
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    }
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    /**
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     * Retrieve a private property.
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     *
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     * @param object|string $obj      object or class name
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     * @param string        $property property name
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     *
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     * @return mixed value
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     *
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     * @throws ReflectionException
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     */
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    public static function getPrivateProperty($obj, $property)
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    {
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        $refProperty = self::getAccessibleRefProperty($obj, $property);
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        return is_string($obj) ? $refProperty->getValue() : $refProperty->getValue($obj);
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    }
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}
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