TestMu Conference is Back! Future of Testing + AI LambdaTest G2 Announcement

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

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

Source:DefaultConstructorExpectationSetup.java

...54			throw new IllegalArgumentException("type cannot be null");55		}56		final Class<T> unmockedType = (Class<T>) WhiteboxImpl.getUnmockedType(type);57		if (parameterTypes == null) {58			WhiteboxImpl.findUniqueConstructorOrThrowException(type, arguments);59		} else {60			WhiteboxImpl.getConstructor(unmockedType, parameterTypes);61		}62		/*63		 * Check if this type has been mocked before64		 */65		NewInvocationControl<OngoingStubbing<T>> newInvocationControl = (NewInvocationControl<OngoingStubbing<T>>) MockRepository66				.getNewInstanceControl(unmockedType);67		if (newInvocationControl == null) {68			InvocationSubstitute<T> mock = MockCreator.mock(InvocationSubstitute.class, false, false, null, (Method[]) null);69			newInvocationControl = new MockitoNewInvocationControl(mock);70			MockRepository.putNewInstanceControl(type, newInvocationControl);71			MockRepository.addObjectsToAutomaticallyReplayAndVerify(WhiteboxImpl.getUnmockedType(type));72		}...

findUniqueConstructorOrThrowException

Using AI Code Generation

1public static <T> Constructor<T> findConstructor(Class<T> clazz, Class<?>... parameterTypes) {2    return WhiteboxImpl.findUniqueConstructorOrThrowException(clazz, parameterTypes);3}4public static <T> Constructor<T> findConstructor(Class<T> clazz, Class<?>... parameterTypes) {5    return WhiteboxImpl.findUniqueConstructorOrThrowException(clazz, parameterTypes);6}7public static <T> Constructor<T> findConstructor(Class<T> clazz, Class<?>... parameterTypes) {8    return WhiteboxImpl.findUniqueConstructorOrThrowException(clazz, parameterTypes);9}10public static <T> Constructor<T> findConstructor(Class<T> clazz, Class<?>... parameterTypes) {11    return WhiteboxImpl.findUniqueConstructorOrThrowException(clazz, parameterTypes);12}13public static <T> Constructor<T> findConstructor(Class<T> clazz, Class<?>... parameterTypes) {14    return WhiteboxImpl.findUniqueConstructorOrThrowException(clazz, parameterTypes);15}16public static <T> Constructor<T> findConstructor(Class<T> clazz, Class<?>... parameterTypes) {17    return WhiteboxImpl.findUniqueConstructorOrThrowException(clazz, parameterTypes);18}19public static <T> Constructor<T> findConstructor(Class<T> clazz, Class<?>... parameterTypes) {20    return WhiteboxImpl.findUniqueConstructorOrThrowException(clazz, parameterTypes);21}

findUniqueConstructorOrThrowException

Using AI Code Generation

1WhiteboxImpl whiteboxImpl = new WhiteboxImpl();2Constructor<?> constructor = whiteboxImpl.findUniqueConstructorOrThrowException(ExampleClass.class);3constructor.newInstance();4public Constructor<?> findUniqueConstructorOrNull(Class<?> clazz, Class<?>... parameterTypes) {5    try {6        return findUniqueConstructorOrThrowException(clazz, parameterTypes);7    } catch (Exception e) {8        return null;9    }10}11@RunWith(PowerMockRunner.class)12@PrepareForTest({ ExampleClass.class })13public class ExampleClassTest {14    public void testPrivateConstructor() throws Exception {15        WhiteboxImpl whiteboxImpl = new WhiteboxImpl();16        Constructor<?> constructor = whiteboxImpl.findUniqueConstructorOrThrowException(ExampleClass.class);17        constructor.newInstance();18    }19}20    at com.example.ExampleClassTest.testPrivateConstructor(ExampleClassTest.java:20)21public Constructor<?> findUniqueConstructorOrThrowException(Class<?> clazz, Class<?>... parameterTypes) throws Exception {22    Constructor<?>[] constructors = clazz.getDeclaredConstructors();23    if (constructors.length == 0) {24        throw new Exception("No constructors found in class " + clazz.getName());25    }26    if (parameterTypes.length == 0) {27        if (constructors.length > 1) {28            throw new Exception("More than one constructor found in class " + clazz.getName());29        }30        return constructors[0];31    }32    for (Constructor<?> constructor : constructors) {33        if (Arrays.equals(parameterTypes, constructor.getParameterTypes())) {34            return constructor;35        }36    }37    throw new Exception("No constructor found in class " + clazz.getName() + " with

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.