How do you test code that uses dynamic proxies?

Testing code that uses dynamic proxies can be challenging due to the nature of proxies and the way they intercept method calls. However, using the right tools and approaches, you can effectively test dynamic proxy behavior. One common approach is to use mocking frameworks such as Mockito or EasyMock to create mock objects that will act as proxies, allowing you to assert expected behavior.

Here’s a simple example in PHP illustrating how you can test dynamic proxies using a mock object:


        <?php
        interface MyInterface {
            public function doSomething();
        }

        class MyClass implements MyInterface {
            public function doSomething() {
                return "Doing something!";
            }
        }

        class Proxy implements MyInterface {
            private $realObject;

            public function __construct(MyInterface $realObject) {
                $this->realObject = $realObject;
            }

            public function doSomething() {
                return $this->realObject->doSomething();
            }
        }

        // Testing the Proxy
        $realObject = new MyClass();
        $proxy = new Proxy($realObject);

        echo $proxy->doSomething();  // Output: Doing something!
        ?>

How do you test code that uses dynamic proxies?

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How do you test code that uses dynamic proxies?

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