[PHP]private, protectedなメソッド、プロパティのテスト用

TestTrait.php

<?php

trait TestTrait
{
    /**
     * private, protectedなmethodのテスト用
     *
     * $method = $this->getAccessibleMethod($obj, 'method_name');
     * $method->invokeArgs($obj, array());
     *
     * @param Object $obj :テストターゲット
     * @param string $name:呼出したいメソッド
     *
     */
    public function getAccessibleMethod($obj, $name) {
        $obj_name = get_class($obj);
        if (false === $obj_name) return false;

        $reflection = new ReflectionClass($obj_name);

        $method = $reflection->getMethod($name);
        $method->setAccessible(true);

        return $method;
    }


    public function getAccessibleProperty($obj, $name) {
        $obj_name = get_class($obj);
        if (false === $obj_name) return false;

        $reflection = new ReflectionClass($obj_name);
        $property = $reflection->getProperty($name);
        $property->setAccessible(true);

        return $property->getValue($obj);
    }
}