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How to use doInvokeMethod method of org.powermock.reflect.internal.WhiteboxImpl class

Best Powermock code snippet using org.powermock.reflect.internal.WhiteboxImpl.doInvokeMethod

Source:WhiteboxImpl.java

...540	 * @throws Throwable541	 */542	@SuppressWarnings("unchecked")543	public static synchronized <T> T invokeMethod(Object tested, Object... arguments) throws Exception {544		return (T) doInvokeMethod(tested, null, null, arguments);545	}546	/**547	 * Invoke a private or inner class method without the need to specify the548	 * method name. This is thus a more refactor friendly version of the549	 * {@link #invokeMethod(Object, String, Object...)} method and is recommend550	 * over this method for that reason. This method might be useful to test551	 * private methods.552	 */553	@SuppressWarnings("unchecked")554	public static synchronized <T> T invokeMethod(Class<?> tested, Object... arguments) throws Exception {555		return (T) doInvokeMethod(tested, null, null, arguments);556	}557	/**558	 * Invoke a private or inner class method. This might be useful to test559	 * private methods.560	 * 561	 * @throws Throwable562	 */563	@SuppressWarnings("unchecked")564	public static synchronized <T> T invokeMethod(Object tested, String methodToExecute, Object... arguments) throws Exception {565		return (T) doInvokeMethod(tested, null, methodToExecute, arguments);566	}567	/**568	 * Invoke a private or inner class method in cases where power mock cannot569	 * automatically determine the type of the parameters, for example when570	 * mixing primitive types and wrapper types in the same method. For most571	 * situations use {@link #invokeMethod(Class, String, Object...)} instead.572	 * 573	 * @throws Exception574	 *             Exception that may occur when invoking this method.575	 */576	@SuppressWarnings("unchecked")577	public static synchronized <T> T invokeMethod(Object tested, String methodToExecute, Class<?>[] argumentTypes, Object... arguments)578			throws Exception {579		final Class<?> unmockedType = getType(tested);580		Method method = getMethod(unmockedType, methodToExecute, argumentTypes);581		if (method == null) {582			throwExceptionIfMethodWasNotFound(unmockedType, methodToExecute, null, arguments);583		}584		return (T) performMethodInvocation(tested, method, arguments);585	}586	/**587	 * Invoke a private or inner class method in a subclass (defined by588	 * <code>definedIn</code>) in cases where power mock cannot automatically589	 * determine the type of the parameters, for example when mixing primitive590	 * types and wrapper types in the same method. For most situations use591	 * {@link #invokeMethod(Class, String, Object...)} instead.592	 * 593	 * @throws Exception594	 *             Exception that may occur when invoking this method.595	 */596	@SuppressWarnings("unchecked")597	public static synchronized <T> T invokeMethod(Object tested, String methodToExecute, Class<?> definedIn, Class<?>[] argumentTypes,598			Object... arguments) throws Exception {599		Method method = getMethod(definedIn, methodToExecute, argumentTypes);600		if (method == null) {601			throwExceptionIfMethodWasNotFound(definedIn, methodToExecute, null, arguments);602		}603		return (T) performMethodInvocation(tested, method, arguments);604	}605	/**606	 * Invoke a private or inner class method in that is located in a subclass607	 * of the tested instance. This might be useful to test private methods.608	 * 609	 * @throws Exception610	 *             Exception that may occur when invoking this method.611	 */612	@SuppressWarnings("unchecked")613	public static synchronized <T> T invokeMethod(Object tested, Class<?> declaringClass, String methodToExecute, Object... arguments)614			throws Exception {615		return (T) doInvokeMethod(tested, declaringClass, methodToExecute, arguments);616	}617	/**618	 * Invoke a private method in that is located in a subclass of an instance.619	 * This might be useful to test overloaded private methods.620	 * <p>621	 * Use this for overloaded methods only, if possible use622	 * {@link #invokeMethod(Object, Object...)} or623	 * {@link #invokeMethod(Object, String, Object...)} instead.624	 * 625	 * @throws Exception626	 *             Exception that may occur when invoking this method.627	 */628	@SuppressWarnings("unchecked")629	public static synchronized <T> T invokeMethod(Object object, Class<?> declaringClass, String methodToExecute, Class<?>[] parameterTypes,630			Object... arguments) throws Exception {631		if (object == null) {632			throw new IllegalArgumentException("object cannot be null");633		}634		final Method methodToInvoke = getMethod(declaringClass, methodToExecute, parameterTypes);635		// Invoke method636		return (T) performMethodInvocation(object, methodToInvoke, arguments);637	}638	/**639	 * Invoke a private or inner class method. This might be useful to test640	 * private methods.641	 * 642	 */643	@SuppressWarnings("unchecked")644	public static synchronized <T> T invokeMethod(Class<?> clazz, String methodToExecute, Object... arguments) throws Exception {645		return (T) doInvokeMethod(clazz, null, methodToExecute, arguments);646	}647	@SuppressWarnings("unchecked")648	private static <T> T doInvokeMethod(Object tested, Class<?> declaringClass, String methodToExecute, Object... arguments) throws Exception {649		Method methodToInvoke = findMethodOrThrowException(tested, declaringClass, methodToExecute, arguments);650		// Invoke test651		return (T) performMethodInvocation(tested, methodToInvoke, arguments);652	}653	/**654	 * Finds and returns a certain method. If the method couldn't be found this655	 * method delegates to656	 * {@link WhiteboxImpl#throwExceptionIfMethodWasNotFound(Object, String, Method, Object...)}657	 * .658	 * 659	 * @param tested660	 *            The instance or class containing the method.661	 * @param declaringClass662	 *            The class where the method is supposed to be declared (may be...

doInvokeMethod

Using AI Code Generation

1package org.powermock.examples.mockito;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;7import java.io.File;8import static org.mockito.Mockito.verify;9import static org.mockito.Mockito.verifyNoMoreInteractions;10import static org.mockito.Mockito.verifyZeroInteractions;11import static org.powermock.api.mockito.PowerMockito.doInvokeMethod;12import static org.powermock.api.mockito.PowerMockito.doReturn;13import static org.powermock.api.mockito.PowerMockito.mock;14import static org.powermock.api.mockito.PowerMockito.verifyPrivate;15import static org.powermock.api.mockito.PowerMockito.verifyStatic;16import static org.powermock.api.mockito.PowerMockito.when;17import static org.powermock.api.mockito.PowerMockito.whenNew;18@RunWith(PowerMockRunner.class)19@PrepareForTest({File.class, FileUtils.class})20public class FileUtilsTest {21    public void testGetFileExtension() throws Exception {22        File file = mock(File.class);23        doReturn("test").when(file).getName();24        doReturn("txt").when(file).getExtension();25        String extension = FileUtils.getFileExtension(file);26        verify(file).getName();27        verify(file).getExtension();28        verifyNoMoreInteractions(file);29    }

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