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How to use assertInvocationHandlerNotNull method of org.powermock.api.support.MethodProxy class

Best Powermock code snippet using org.powermock.api.support.MethodProxy.assertInvocationHandlerNotNull

Source:MethodProxy.java

...25	 * Add a proxy for this method. Each call to the method will be routed to26	 * the invocationHandler instead.27	 */28	public static void proxy(Method method, InvocationHandler invocationHandler) {29		assertInvocationHandlerNotNull(invocationHandler);30		MockRepository.putMethodProxy(method, invocationHandler);31	}32	/**33	 * Add a proxy for a method declared in class <code>declaringClass</code>.34	 * Each call to the method will be routed to the invocationHandler instead.35	 */36	public static void proxy(Class<?> declaringClass, String methodName, InvocationHandler invocationHandler) {37		assertInvocationHandlerNotNull(invocationHandler);38		if (declaringClass == null) {39			throw new IllegalArgumentException("declaringClass cannot be null");40		}41		if (methodName == null || methodName.length() == 0) {42			throw new IllegalArgumentException("methodName cannot be empty");43		}44		Method[] methods = Whitebox.getMethods(declaringClass, methodName);45		if (methods.length == 0) {46			throw new MethodNotFoundException(String.format("Couldn't find a method with name %s in the class hierarchy of %s", methodName,47					declaringClass.getName()));48		} else if (methods.length > 1) {49			throw new TooManyMethodsFoundException(String.format("Found %d methods with name %s in the class hierarchy of %s.", methods.length,50					methodName, declaringClass.getName()));51		}52		MockRepository.putMethodProxy(methods[0], invocationHandler);53	}54	private static void assertInvocationHandlerNotNull(InvocationHandler invocationHandler) {55		if (invocationHandler == null) {56			throw new IllegalArgumentException("invocationHandler cannot be null");57		}58	}59}...

assertInvocationHandlerNotNull

Using AI Code Generation

1import org.junit.Assert;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.powermock.api.mockito.PowerMockito;5import org.powermock.core.classloader.annotations.PrepareForTest;6import org.powermock.modules.junit4.PowerMockRunner;7@RunWith(PowerMockRunner.class)8@PrepareForTest(MethodProxy.class)9public class MethodProxyTest {10    public void testAssertInvocationHandlerNotNull() {11        final Object invocationHandler = null;12        try {13            MethodProxy.assertInvocationHandlerNotNull(invocationHandler);14        } catch (AssertionError e) {15            Assert.assertEquals("The invocation handler shou

assertInvocationHandlerNotNull

Using AI Code Generation

1    public void testAssertInvocationHandlerNotNull() {2        try {3            MethodProxy.assertInvocationHandlerNotNull(null);4            fail("Should throw an exception");5        } catch (IllegalArgumentException e) {6            assertThat(e.getMessage(), containsString("The invocation handler cannot be null"));7        }8    }9}

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