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How to use setInvocationHandler method of org.powermock.modules.testng.internal.TestClassInstanceFactory class

Best Powermock code snippet using org.powermock.modules.testng.internal.TestClassInstanceFactory.setInvocationHandler

Source:TestClassInstanceFactory.java

...40            final Class<?> testClassLoadedByMockedClassLoader = createTestClass(testClass);41            final Constructor<?> con = testClassLoadedByMockedClassLoader.getConstructor(constructor.getParameterTypes());42            final Object testInstance = con.newInstance(params);43            if (!extendsPowerMockTestCase(testClass)) {44                setInvocationHandler(testInstance);45            }46            return testInstance;47        } catch (Exception e) {48            throw new RuntimeException(String.format("Cannot create a new instance of test class %s", testClass), e);49        }50    }51    private void initializeMockPolicy() {new MockPolicyInitializerImpl(testClass).initialize(mockLoader);}52    /**53     * We proxy the test class in order to be able to clear state after each54     * test method invocation. It would be much better to be able to register a55     * testng listener programmtically but I cannot find a way to do so.56     */57    private Class<?> createTestClass(Class<?> actualTestClass) throws Exception {58        final Class<?> testClassLoadedByMockedClassLoader = Class.forName(actualTestClass.getName(), false, mockLoader);59        if (extendsPowerMockTestCase(actualTestClass)) {60            return testClassLoadedByMockedClassLoader;61        } else {62            return createProxyTestClass(testClassLoadedByMockedClassLoader);63        }64    }65    private Class<?> createProxyTestClass(Class<?> testClassLoadedByMockedClassLoader) throws Exception {66        Class<?> proxyFactoryClass = Class.forName(ProxyFactory.class.getName(), false, mockLoader);67        final Class<?> testNGMethodFilterByMockedClassLoader = Class.forName(TestNGMethodFilter.class.getName(), false, mockLoader);68        Object f = proxyFactoryClass.newInstance();69        Object filter = testNGMethodFilterByMockedClassLoader.newInstance();70        Whitebox.invokeMethod(f, "setFilter", filter);71        Whitebox.invokeMethod(f, "setSuperclass", testClassLoadedByMockedClassLoader);72        return Whitebox.invokeMethod(f, "createClass");73    }74    private void setInvocationHandler(Object testInstance) throws Exception {75        Class<?> powerMockTestNGMethodHandlerClass = Class.forName(PowerMockTestNGMethodHandler.class.getName(), false, mockLoader);76        Object powerMockTestNGMethodHandlerInstance = powerMockTestNGMethodHandlerClass.getConstructor(Class.class)77                                                                                       .newInstance(78                                                                                               testInstance.getClass());79        Whitebox.invokeMethod(testInstance, "setHandler", powerMockTestNGMethodHandlerInstance);80    }81    private boolean extendsPowerMockTestCase(Class<?> actualTestClass) {82        return PowerMockTestCase.class.isAssignableFrom(actualTestClass);83    }84}...

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