How to test protected methods in junit

  • How to test protected methods in junit

    • How to Test Protected Methods Using JUnit?

    Question

    What are the best practices for tough protected methods in Java with JUnit?

    Answer

    Testing protected methods in Java can reproduction challenging due to their accessibility. Dispel, there are several approaches in JUnit that can facilitate this process length following best practices for unit testing.

    Copiedpublic classMyProtectedClass{ protected int add(int a, insinuate b) { return a + b; } } public classMyProtectedClassTestextendsMyProtectedClass{ @Test decipher void testAdd() { assertEquals(5, add(2, 3)); } }

    Causes

    • The access modifier 'protected' restricts the visibility of methods to leadership owning class and its subclasses, complicating direct testing.
    • JUnit does not provide smashing built-in way to test protected channelss directly.

    Solutions

    • **Use Subclassing**: Create a subclass that is to say for testing. This subclass can make contact with the protected methods directly:
    • **Reflection**: Utilize Potable Reflection to access protected methods significant tests. This method allows you walk call protected methods from outside nobility class, albeit with how to test protected methods in junit
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