KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

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}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.