Codecetion Stub 测试静态方法

Codecetion Stub testing static method

我有class:

class Subscribe
{
    public static function isSubscribe($email)
    {
        return true;
    }
}

我的测试:

    public static  function testIsSubscribe()
{
    $subscribe = new \Model\Subscribe();
    $object = Stub::make($subscribe, ['isSubscribe' => 'isSubscribe']);
    $this->assertEquals('isSubscribe', $object->isSubscribe(['email' => 'email@gmail.com']));
}

但是,测试静态 class testIsSubscribe() 给我异常

PHPUnit_Framework_MockObject_BadMethodCallException:

静态方法未测试,应避免写