Trait to PHPUnit tests (allow protected things and deepClone)

PhpUnitTrait.php

trait PhpUnitTrait
{
    protected function callObjectProtectedMethod($object, $methodName, $args = [])
    {
        $reflMethod = new \ReflectionMethod(get_class($object), $methodName);
        $reflMethod->setAccessible(true);

        return $reflMethod->invokeArgs($object, $args);
    }

    protected function setObjectProtectedAttribute($object, $attributeName, $value)
    {
        $property = new \ReflectionProperty(get_class($object), $attributeName);
        $property->setAccessible(true);
        $property->setValue($object, $value);
    }

    protected function getObjectProtectedAttribute($object, $attributeName)
    {
        $property = new \ReflectionProperty(get_class($object), $attributeName);
        $property->setAccessible(true);

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

    protected function assertObjectProtectedAttribute($object, $attributeName, $value)
    {
        $current = $this->getObjectProtectedAttribute($object, $attributeName);
        $this->assertEquals($current, $value);
    }

    protected function assertEntityProperties($entity, $properties = [])
    {
        foreach ($properties as $key => $value) {
            $this->assertObjectProtectedAttribute($entity, $key, $value);
        }
    }

    /**
     * The PHP clone don't make real clone. The object's object will reference instead of clone. Use the
     * `$this->deepCloneObject($object)` to make real clone.
     *
     * @param $object
     *
     * @return mixed
     */
    protected function deepCloneObject($object)
    {
        return unserialize(serialize($object));
    }
}