Suppressing Unwanted Behavior

Quick summary

1. Use the @RunWith(PowerMockRunner.class) annotation at the class-level of the test case.

2. Use the @PrepareForTest(ClassWithEvilParentConstructor.class) annotation at the class-level of the test case in combination with
   suppress(constructor(EvilParent.class)) to suppress all constructors for the EvilParent class.

3. Use the Whitebox.newInstance(ClassWithEvilConstructor.class) method to instantiate a class without invoking the constructor what so ever.

4. Use the @SuppressStaticInitializationFor("org.mycompany.ClassWithEvilStaticInitializer")annotation to remove the static initializer for the the org.mycompany.ClassWithEvilStaticInitializer

   class.

5. Use the@PrepareForTest(ClassWithEvilMethod.class)
   annotation at the class-level of the test case in combination with
   suppress(method(ClassWithEvilMethod.class, "methodName"))
   to suppress the method with name "methodName" in the ClassWithEvilMethod class.

6. Use the @PrepareForTest(ClassWithEvilField.class)
   annotation at the class-level of the test case in combination with
   suppress(field(ClassWithEvilField.class, "fieldName"))
   to suppress the field with name "fieldName" in the ClassWithEvilField class.

You'll find the member modification and member matcher methods here:

• org.powermock.api.support.membermodification.MemberModifier
• org.powermock.api.support.membermodification.MemberMatcher